Good morning, welcome to the Bio-Techne earnings conference call for the second quarter of fiscal year 2021. At this time, all participants have been placed in listen-only mode, and the call will be open for questions following management's prepared remarks. During our Q&A session, please limit yourself to one question and a follow-up. I would now like to turn the call over to David Clair, Bio-Techne's Senior Director, Investor Relations and Corporate Development.
Good morning and thank you for joining us. On the call with me this morning are Chuck Kummeth, Chief Executive Officer, and Jim Hippel, Chief Financial Officer of Bio-Techne. Before we begin, let me briefly cover our safe harbor statement. Some of the comments made during this conference call may be considered forward-looking statements, including beliefs and expectations about the company's future results, as well as the potential impact of the COVID-19 pandemic on our operations and financial results. The company's 10-K for fiscal year 2020 identifies certain factors that could cause the company's actual results to differ materially from those projected in the forward-looking statements made during this call. The company does not undertake to update any forward-looking statements as a result of any new information or future events or developments.
The 10-K, as well as the company's other SEC filings, are available on the company's website within its investor relations section. During the call, non-GAAP financial measures may be used to provide information pertinent to ongoing business performance. Tables reconciling these measures to most comparable GAAP measures are available in the company's press release issued earlier this morning on the Bio-Techne Corporation website at www.bio-techne.com. I will now turn the call over to Chuck.
Thanks, Dave. Good morning, everyone. Thank you for joining us for our second quarter conference call. We are hoping you and your families have remained safe as we get closer to turning the corner on this horrible pandemic. The Bio-Techne team delivered another strong quarter, accelerating our organic growth year-over-year to 19%, building on the strength we experienced last quarter. In fact, our 19% organic growth rate represents the strongest performance since I joined the company in 2013. This growth was broad-based across our segments and geographies as our current penetration in biopharma continued to be red hot, and even academia returned to double-digit growth. The new normal of social distancing and staggered shifts has become an accelerant for the continued adoption of several of our technologies, namely Simple Plex and Simple Western.
I will dive into the specifics of each of these platforms later, but they are all gaining traction and remain in the early innings of penetrating their large respective markets. We delivered this record organic growth with a continued focus on profitability, as our adjusted operating margin improved 530 basis points year-over-year to 38.7%. Some of this improvement reflects the timing of hiring investments to drive future growth, but shows the leverage and profitability inherent in our business model. The COVID pandemic continues to impact traditional ways researchers are staffing labs and conducting experiments, as well as the ways we are interacting with these customers. I'm encouraged with the innovative solutions researchers have leveraged to push science further and the innovative strategies our commercial teams have implemented to meet their evolving needs in these challenging times.
Academia, in particular, is getting better at managing through the COVID-related restrictions, and we are encouraged with the sequential improvement we experienced in this end market. While we experienced robust growth with both biopharma and academia customers in Q2, both of these end markets remain largely closed to outside visitors, creating challenges for our commercial team to get in front of customers. Our commercial team once again did an excellent job adjusting to this new normal, leveraging webinars to educate current or potential customers on our portfolio of reagents, cell and gene therapy solutions, tissue biopsy, and spatial analysis solutions and instruments. During the quarter, our team got even more creative using virtual coffees and happy hours to get increased face time with our customers.
These virtual meetings and webinars will remain an important and cost-effective part of our commercial strategy for the remainder of the pandemic and beyond. Our digital marketing initiatives remain an important tool to differentiate Bio-Techne, educate the scientific community on our portfolio of innovative and productivity-enabling tools, drive traffic to our website, and ultimately convert this traffic to revenue. These digital efforts have become an increasingly more effective tool during the COVID pandemic. We continue to execute this strategy at a high level in Q2. Researchers often begin their quest for reagents and research productivity tools with an internet search, so ensuring Bio-Techne is one of the top results of these searches is critical to drive traffic to our website, convert these visits to sales of our products.
Leveraging search engine optimization and targeted ad strategies remain a key component of our digital strategy and both continue to generate high returns on investment with an outsized impact on sales within our antibody and protein portfolio. Last quarter, we announced the launch of One Web, a new website that unites all of Bio-Techne's brands under one easy-to-navigate site, enabling our customers to order products across our instrument and reagent portfolio on one website while leveraging algorithms to drive purchases across our portfolio and position the business to realize increased revenue synergies. We began a scaled launch of One Web in November, and initial customer feedback as well as traffic to our websites has been positive.
One Web, paired with our SEO and targeted ad efforts, drove double-digit growth this quarter in a number of sessions, page views, new users, and repeat users on our website. Given the correlation of our revenue growth this quarter, our strategy is clearly generating results, and we will continue to pull this growth lever going forward. Let's discuss performance of our Protein Sciences Segment, which grew 19% organically for the quarter. Growth is strong across our core reagent portfolio, with both RUO proteins and antibodies growing low double digits. In addition to the impact of academic labs reopening and our digital initiatives, our reagent business also experienced a favorable tailwind from custom work for biopharma customers in need of additional protein or antibody capacity.
Our custom reagent development business increased over 60% in the quarter, and we are leveraging multiple strategies to capitalize on this outsourcing trend going forward. During Q2, we continued to push our cell and gene therapy initiatives forward. One of the key components within our cell and gene therapy business is GMP proteins, with these cytokines and growth factors playing a critical role in the cell and gene therapy workflow. Revenue generated from our portfolio of GMP proteins once again increased nearly 100% in Q2. Recall that we recently opened a 61,000 sq ft state-of-the-art GMP reagent manufacturing facility to address the expected demand for GMP proteins and reagents as the growing pipeline of cell and gene therapeutics progress through the regulatory approval process.
We made significant progress qualifying the facility and have begun manufacturing production lots of select GMP proteins. We also executed our second long-term GMP protein supply agreement in the quarter. We remain in various stages of discussion with several other biotech companies with pipeline cell and gene therapies for potential long-term GMP protein supply agreements and are very pleased with the funnel of potential deals. Sticking with cell and gene therapy, our genome engineering services business, which includes our non-viral vector-based gene transfer technology, Tc Buster, continues to gain attention from the cell and gene therapy industry. I would also note we are seeing a growing list of collaborators and positive feedback on Cloudz, our non-magnetic heat-based cell separation technology for human T cell, natural killer cells, and human regulatory T cell, Treg, activation and expansion kits.
We are still in the early innings of both Tc Buster and Cloudz, both of these innovative cell and gene therapy workflow technologies remain important pieces of our cell and gene therapy workflow solutions. ScaleReady, our JV with Fresenius Kabi and Wilson Wolf, formally launched at the beginning of calendar 2021 with the mission of providing the most simple, scalable, and versatile cell and gene therapy manufacturing platform in the industry. As a reminder, this consortium pairs Bio-Techne's portfolio of cell and gene therapy workflow solutions, including our Cloudz cell separation and activation technology, GMP proteins, and genome engineering services with Fresenius Kabi's leukapheresis instrument and Wilson Wolf's bioreactor to enable a modular, cost-efficient workflow solution.
The ScaleReady website is up and running, and the commercial team began its initial customer outreach campaign, including initial contact to over 600 industry participants and almost 250 gene and therapy companies. Also during Q2, Bio-Techne made an initial strategic investment in Changzhou Eminence Biotechnology Company, a China-based life science company with best-in-class media, including CHO cells and other serum-free media products, as well as custom cell line and media formulation development services. Eminence will use the financing proceeds to expand its manufacturing capacity and increase the service capabilities of its China-headquartered GMP media production facility. Investing in Eminence expands Bio-Techne's foothold in providing additional products and services to support the needs of the rapidly growing Chinese biopharmaceutical industry and fits extremely well with our existing high-growth product portfolio in China.
We look forward to working with the Eminence team. Let's discuss our proteomic analytical tools portion of the protein sciences segment, where the strong momentum we saw in Q1 continued with our portfolio of instruments and assays, enabling research labs to increase productivity while adhering to social distancing and staggered work shift protocols. Once again, we experienced very strong growth in our Simple Plex multiplexing ELISA instrument, Ella, where revenue almost doubled year-over-year. Encouragingly, Simple Plex utilization within our customer base continued to diversify as researchers leveraged Ella to investigate inflammation, cancer, neuroscience, and other disease states and biological pathways. Ella's relatively small footprint, low price point, sub-picogram level sensitivity, and reproducibility is driving both instrument placements and consumable pull-through.
Our clinical program with Micropoint in China is on track, which speaks to the incredible diversity Ella is capable of. We are now taking Ella through a 510(k) process in the U.S., which will unlock new clinical opportunities for this amazing platform. It was a similar story with our Simple Western instrument portfolio, where we grew almost 30% in the quarter. Our Jess and Wes automated Simple Western platforms turn the labor-intensive, messy, inconsistent, cumbersome manual Simple Western blot process, which can take up to two days, into a fully automated, reproducible, sample-to-answer three-hour process. This value proposition has been resonating incredibly well with researchers as they return to the bench. With our solutions less than 15% penetrated in the addressable market, there's plenty of room for continued growth.
Our Biologics instruments, which provide protein purity information and are used directly in bioprocessing, also had a standout quarter as we experienced broad demand from biopharma, including several companies with COVID-19 vaccines in various stages of development or commercialization, as well as continued interest from companies working on cell and gene therapies. I'll provide an update on our diagnostics and genomics portfolio, where organic growth revenue also increased 19% in Q2. Let's start with the update on our ACD or tissue pathology franchise, where organic revenue increased in the upper 20% range for the quarter. This growth was broad-based across geographies and product lines, including very strong performances from miRNAscope following its launch this past summer, as well as BaseScope.
Momentum we experienced in RNAscope last quarter continued in Q2 as the single-cell spatial resolution and high sensitivity provided by this technology continues to drive market adoption. Biopharma's need for increased productivity while working with limited or staggered shifts remains a tailwind for our PAS or Pharma Assay Services business within ACD, where biopharma outsourcing their spatial genomic analysis has drove over 40% growth in this business in the first half of fiscal year 2021. Let's discuss our Exosome Diagnostics business, starting with our prostate cancer liquid biopsy assay, the ExoDx prostate test. Encouragingly, we believe most of the urology practices across the country have reopened, and we experienced another sequential increase in our prostate test volume.
Patient traffic is still down from last year, as older patients are more likely to quarantine at home until they become vaccinated. We expect urology practice traffic to continue to improve as vaccines make their way into this segment of the population, which in turn should have a positive impact on our ExoDx prostate testing volumes. In the meantime, our home kit version of the test continues to be the safest solution for patients to continue to work with their urologist. Recall that we partnered with baseball Hall of Famer Cal Ripken Jr. to co-promote our ExoDx prostate test following his personal prostate cancer journey, including his use of the ExoDx prostate test, which ultimately influenced his potentially life-saving decision to get the biopsy that led to the discovery of his aggressive prostate cancer.
The marketing campaign continues to be successfully leveraged across all social media platforms and channels and is driving traffic to the Fight Like Cal page on the ExoDx website, where we saw page visits increase over 1,400% sequentially. We also launched a physician locator function on the ExoDx website, enabling patients interested in taking the test to find physicians offering the test in their respective city. Our Exosome Diagnostics platform is not just limited to our ExoDx prostate test. There is a full pipeline of high-value diagnostic tests with our ExoTRU kidney transplant rejection assay next in line for commercialization. We expect ExoTRU to become an important tool in the management of kidney transplant patients, with its easy-to-collect urine-based sample, enabling increased adherence to testing protocols.
We completed verification of the assay and have optimized the workflow. Initial ExoTRU data has been accepted for publication in a well-respected medical journal. We anticipate publication in the coming weeks. Despite generally soft non-COVID-related diagnostic testing volumes, our diagnostic reagents division once again delivered a solid quarter, with organic revenue increasing in the upper single digits. This is actually the sixth quarter in a row that our diagn ostic reagents division has delivered positive growth as a development pipeline and, to a lesser extent, COVID-related opportunities continue to bear fruit and smooth out the impact of what can sometimes be a lumpy bulk reagent order. I'd like to now give an update on our COVID-19 initiatives. The products we sell are directly related to COVID research.
For example, reagents and instruments with specific viral research applications, ACD Probes to detect a virus in tissue, and sales of bulk diagnostic reagents used in COVID testing applications was an estimated 3% tailwind to our business in Q2. We expect that research in COVID will be around for many years, thus making this tailwind a sustaining new layer of our product portfolio going forward. We continue to make progress with the commercialization of the COVID-19 serology assay that we co-developed with Kantaro Biosciences based on Mount Sinai's technology. The Kantaro serology assay is a truly differentiated test, providing not only information on the presence of COVID-19 antibodies, but also the level of titer of those antibodies.
In November, the Kantaro COVID-SeroKlir assay received EUA approval as a semi-quantitative assay, and we have submitted additional data to the FDA supporting a full quantitative claim, as we received in Europe with a CE mark. We have commercial agreements now set up in many countries and are in discussions with many U.S.-based lab systems. To date, most of the demand for COVID-19 testing has been PCR-based, geared towards answering the question, "Am I infected with COVID-19?" Now that vaccines are becoming available while the virus continues to mutate, we believe demand for serology testing will increase as patients look to answer the question, "Am I immune?"
Ultimately, following a full FDA quantitative claim, we believe the Kantaro assay will be able to answer this important question, allowing us to return to the pre-COVID lifestyle we are all looking forward to. Our Q2 is evidence of the growth we are starting to unlock with our portfolio of proteomic analytical instruments, tissue pathology and spatial genomics products, cell and gene therapy workflow solutions, and liquid biopsy diagnostics. These large, high-growth end markets remain under-penetrated, and we're in the early innings of realizing the full potential of these growth technologies and platforms. Layered onto these, the content and cross-divisional synergy is inherent in our core reagent portfolio, and I'm increasingly confident in our ability to deliver our long-term revenue and profitability targets .
I'm extremely proud of the execution the Bio-Techne team delivered during the first half of our fiscal 2021, and we're looking forward to building on this success in the second half of 2021 and beyond. With that, I'll turn it over to Jim.
Thanks, Chuck. I will provide an overview of our Q2 fiscal 2021 financial performance for the total company, provide some additional color on the performance of each of our segments, and give some thoughts on the remainder of our fiscal 2021. Starting with the overall second quarter financial performance, adjusted EPS was $1.62 versus $1.08 one year ago, an increase of 50% over last year, representing a new company record. Foreign exchange positively impacted EPS by $0.08. GAAP EPS for the quarter was $1.15, compared to $3.02 in the prior year, representing a 62% decrease. Our GAAP EPS results in the second quarter of last year benefited from a favorable realized and unrealized gain on our investment in ChemoCentryx. Q2 revenue was $224.3 million, an increase of 21% year-over-year on a reported basis and 19% on an organic basis.
Foreign exchange translation had a favorable 2% impact on our revenue. Our strong growth in Q2 was fairly consistent across the globe, ranging from the high teens in the U.S. to 25% organic growth in China. By end market, biopharma growth was very strong at over 20%, and it was nice to see academia continue to improve, grow in the low teens during the second quarter. Moving on to the details of the P&L, total company adjusted gross margin was 71.5% in the quarter, compared to 70.6% in the prior year. The increase was primarily driven by favorable volume leverage. Adjusted SG&A in Q2 was 25.2% of revenue, a 310 basis point decrease compared to the prior year. R&D expense in Q2 was 7.5% of revenue, 140 basis points lower than the prior year.
While our adjusted SG&A and R&D spend both increased sequentially and compared to the prior year, a tight labor market in the life science space did not allow us to fill all headcount additions to the team at the pace we had originally anticipated. Given the continued improvement we are seeing in our end markets, we still plan to fill these positions and continue with investments that position the company for growth going forward. The resulting adjusted operating margin for Q2 was 38.7%, an increase of 530 basis points from the prior year period and a 50 basis point sequential improvement from Q1. Looking at our numbers below operating income, net interest expense in Q2 was $3.4 million, decreasing $1.1 million compared to the prior year.
The decrease was due to a continued reduction of our bank debt during fiscal 2021, as well as lower floating interest rates. Our bank debt on the balance sheet as of the end of Q2 stood at $231.5 million. Other adjusted non-operating expense was $1.3 million for the quarter, compared to $2.5 million expense in the prior year, primarily reflecting the foreign exchange impact related to our cash pooling arrangements. For GAAP reporting, other non-operating income includes unrealized gains from our investment in ChemoCentryx. Moving further down the P&L, our adjusted effective tax rate in Q2 was 20.6%, a 120 basis point improvement over the prior year, with the improvement primarily driven by geographic mix. We expect our effective tax rate going forward to be consistent with Q2, barring no changes in corporate tax law.
As Chuck Kummeth mentioned, during Q2, we made a strategic equity investment in China-based Eminence, a company focused on providing media as well as custom cell line development and media formulation services to the Chinese biopharmaceutical market. The $130,000 non-controlling interest line item reflects one month loss from a portion of Eminence we do not own. The impact to other lines of the P&L as a result of consolidating Eminence was immaterial in Q2. Turning to cash flow and return of capital, a record $89.3 million of cash was generated from operations in the quarter. In Q2, our net investment in capital expenditures was $11.4 million, primarily driven by the completion of our new GMP protein factory. During Q2, we returned capital to shareholders with $12.4 million of dividends.
\We finished the quarter with 40.3 million average diluted shares outstanding. Our balance sheet remains very strong, with $283 million in cash and short-term available-for-sale investments and a total leverage ratio of well under one times EBITDA. Next, I'll discuss the performance of our reporting segment, starting with the protein sciences segment. Q2 reported sales were $172.2 million, with reported revenue increasing 22%. Organic growth increased 19%, with foreign exchange having a favorable impact of 3% on revenue growth. Within the segment, the strong growth was very broad-based, with double-digit growth in nearly all reagent, assay, and instrument platforms. As Chuck Kummeth described in his remarks, platforms of notable mention include Simple Plex, Simple Western, Biologics, and Cell and Gene Therapy, especially pertaining to GMP proteins.
Operating margin for the protein sciences segment was 46.6%, an increase of 360 basis points year-over-year, due primarily to favorable volume leverage and cost management. Turning to the diagnostics and genomics segment, Q2 reported sales were $52.5 million, with reported revenue increasing 20%. Organic growth of the segment was 19%, with foreign exchange translation having a favorable 1% impact on revenue. Similar to Q1, our genomics division led the segment in the quarter. We experienced strength across the entire ACD branded portfolio, with miRNAscope, BaseScope, and our diagnostics partnership with Leica being honorable mention. Also a driver of growth for diagnostics and genomics, Exosome Diagnostics Q2 revenue increased over 100% from last year, with higher collections from Medicare, private payers, and patient cash collections driving the year-over-year increase.
As Chuck mentioned, our diagnostic reagents division continued its growth streak by executing on COVID-related opportunities to offset the headwinds many of its traditional OEM diagnostic customers are facing with patients foregoing routine visits to the doctor. Moving on to the diagnostics and genomics segment operating margin at 15.5%, the segment's operating margin improved from 2.2% reported in the prior year. The increase reflects favorable volume leverage in our genomics division, less dilution from Exosome Diagnostics, as well as strong cost management. In summary, our fiscal 2021 is off to a great start. With 15% organic revenue growth during the first half of the fiscal year, our results thus far have demonstrated that our portfolio of products and solution offerings are more relevant than ever to our customers who are on the front lines of diagnosing and developing cures for disease.
We believe that the current pandemic has only strengthened the resolve of our customers to accelerate their great work, and we will continue to do everything in our power to provide them the tools to help them succeed. We see the current momentum of our business continuing in the back half of our fiscal year. However, to support our customers' needs beyond the remainder of this fiscal year, we need to catch up on our investments in our product pipelines and post-sale service and support, while continuing to invest in customer engagement activities, especially those of a digital nature. We started to make progress with these additional investments in Q2. Intend to accelerate back to our plan in the back half of the year.
If successful, these investments may slightly lower our operating margin from its level in the first half of the fiscal year. Will position us well for our long-term strategic plan of continued double-digit growth for years to come. That concludes my prepared comments. With that, I'll turn the call back over to the operator to open the line for questions.
Our first question is from Puneet Souda with SVB Leerink. Please proceed with your question.
Great. Thanks, and Chuck, congrats on this strong quarter. Impressive growth here in ProteinSimple and across the board. First of all, could you provide sort of the contribution that we're seeing from GMP proteins and cell and gene therapy, and how should we think about that for the full year here, given the momentum that you're seeing so far?
Yeah, sure. Well, we're not going to give too much real in the weeds detail on it. We've been talking about growing 100%. We've talked in the past of being a $30 million type of portfolio, with most of it being serum right now, and pretty much a run rate on proteins at $10 million, and we gave you the growth rates in there. We have the ability to increase capacity, to increase I guess, what we make here at the headquarters by a factor of four if we need to. We're good while we take the time to qualify the new site, which is going along really well. We've talked in the past about this $10 million in GMP proteins growing to maybe $20 next year, doubling again after that.
Hopefully it really starts ramping once we start getting the production side of the therapeutics as they come out of the back end of clinicals. The rest of the portfolio, it's kind of hard to say. We had a great quarter for both acceptance for both Cloudz and for Tc Buster. We talked about we're getting an awful lot of new revenue to get a look at these technologies and do pre-clinicals with. We're pretty excited. The team's pretty excited. The best quarter we've had for Tc Buster. We're actually working on expanding the site already while we're making it's a bit of surprise so fast. It's kind of hard, Puneet, to tell you what it's going to be next year, but I think probably double what it is this year and probably double again next year after that.
As we've said in our five-year outlook here, in our $1.5 billion goal, we see a $300 million business, is what we see. It'll be consisting of a bunch of components, 150 or so, at least in GMP proteins, but the rest are sort of between Cloudz, Tc Buster, instrumentation, ACD for technologies for spatial cell analysis, Ella testing for QC testing in the workflow. All these bits and pieces roll up to 300. We're probably a year away from doing any real detailed guesses on just what the recipes look like. I think the safest one is the GMP protein piece right now.
Got it. That's very helpful. On Ella, this was a really strong quarter again. I think you pointed that out in the past couple of quarters, too. Obviously, that product line is gaining significant traction here. Can you give us a sense of where this business could be? This is competitive, the ELISA market, after all. Where could it be, and what are the other key initiatives that you have, including the 510 approval that you're submitting for? In that same context, if you could just help us understand, there's quite a bit of momentum right now in proteomics. Obviously, Bio-Techne is core to proteomics. You are one of the leaders across the board in antibodies, proteins, cytokines, and broadly across proteomics.
Maybe just help us understand where this business could be, the protein sciences business overall, and the proteomics business could be overall in sort of longer term, in the five-year timeframe.
Well, it's growing beyond our expectations, and clearly, we're super well-positioned in proteomics, and as the wave of research hits and as this golden era keeps growing and money's siphoned off these stimulus plans for more pandemic relief and pandemic research, so it never happens again, we're going to be a big beneficiary. We're really seeing a lift in every part of our business and every geography. It was just astounding. I don't think I've ever seen a more green dashboard in my career. It's hard to pin down what's COVID and what's just research. We've dug into what's going on with our customers, and they're certainly, bigger biopharma are investing more. They're taking the cash. The ones, the vaccine makers, are obviously doing more. Companies that are doing well off COVID are taking that cash and doing more R&D.
Where there's more R&D and more research, we're benefiting. I've always said that Simple Plex was a sleeper, right? It had for a few years now, and if it keeps growing at or near 100%, it's going to be really big, really soon. We're now well over 500 instruments placed worldwide, which is a lot. This is an amazing machine and it just does a lot for the money. It's just an amazing piece of technology from an amazing team that has worked on it for many years before we acquired the company. I think that was seen by Micropoint early on in China, and we're on track with their clinical and that deal alone could be $100 million of revenue in three, four years if they hit their targets.
This is a guy that did Mindray, he has a lot of credibility. He is very interested in making a very standardized patient monitoring platform for large hospital systems in China, and there's a lot of them. We are taken through the 510 process here in the U.S. so we can try to elicit more interest like Micropoint in China. Micropoint's going to do all the CFDA themselves. They're experts. They've done the panels. They're doing everything. Here, I don't know, we're probably not set up to do all that ourselves. We'll do the 510. We're going to do it off a standard analyte, something well known, so when we get to the system and we are talking to potential interested parties. This thing has got legs. It's got legs in neuroscience. It's got legs in oncology.
It's anywhere that there's proteomic needs, needed to be testing biomarkers. This is the machine. As you know, the competition's out there in a multiplex format, starting with Luminex. We're partners with them as well, we don't have crosstalk with our platform. Now we're increasing the channels. We're at eight and we maybe could go higher. At eight, that's kind of sweet point, and to have eight channels with no crosstalk with the type of pseudo noise we have with this machine, and in only one-hour sample to answer, it's kind of unheard of. Of course, there's others, Meso Scale. I think we got some work to do to crack where Meso Scale really hit because they've got a full workflow with software and it really is integrated into the workflows of their customers.
We've probably got more of a standalone box. We've got to get better at that piece of it, and we're working on that. Then, of course, there's the whole clinical side. This thing really could be a point of care machine. We're working on a four by eight cartridge, something that you won't have to queue up a lot of tests in order to run it. Anyway, I see a strong future. You asked what it could become. I think this is a $200 million-$300 million business in five years, to be honest, or more. It could be much bigger. It depends on the acceptance and how well we keep diversifying into new applications. Automated ELISA, multiplex-based proteomics, biomarker research, as you just said, it's all the rage right now. It's accelerating, not leveling out.
We see a strong future in this platform. We're not surprised by the 100% growth, even though this thing is already a big platform. It's as big as anything else we had in the original ProteinSimple segment, including Simple Western now. It's getting there. It keeps growing where it is, it'll be the biggest very soon.
That's super helpful, Chuck, and thanks for all the details. If I could squeeze last one in for Jim. Jim, I appreciate the investments into Eminence and, obviously, the GMP facility, which is delivering growth now. When you look at on the acquisitions front, inorganic growth , we have not seen much on that end lately. Is it largely a function of the valuations in the space or anything else, or certain specific areas that are sort of more challenging versus attractive? Just walk us through your assumptions there, because obviously, that's an important part of what Bio-Techne has done in past.
What I'd say on the valuation front is that the valuations have been a challenge for many years. That's really nothing new. It's really the ebbs and flows of the deal flow and what's coming available. I think for a lot of 2020, probably the pandemic being a good reason why the flow wasn't as strong as it had been in prior years. In the last couple of months, we're starting to see that turn around and seeing a lot more deal flow, a lot more interesting targets. It's hard to predict because there's a lot of stars that need to align. I would predict that we'll see more activity by us on that front in the remainder of calendar 2021 than we saw last year.
Okay, great. Okay, thanks guys. Congrats.
Thanks, Puneet.
Our next question is from Catherine Schulte with Baird. Please proceed with your question.
Hey, guys. Congrats on the strong quarter, and thanks for the questions. I guess first, just as you think about the outlook for fiscal 2021, last quarter you talked about maybe a 10%-15% range for the year. Just curious if you had an updated thought on where you should end up in that range or if we should be thinking about a new range given the strong performance you saw this quarter?
Sure. I'm not sure whose note it was this morning talking about clearing 15+% for the year. We've stayed away from that. We certainly were bullish on ending up double digit again. We left our comments at the continual momentum, and the momentum is 15% half year, and we have the easiest comps ahead of us the rest of the fiscal year. You can do the math from that. Yeah, we're pretty bullish at continuing at the levels we're at or even better, to be honest, so at this point.
Okay, you've talked about some research labs perhaps needing to buy second version of things given social distancing and building out secondary labs. How much of the rebound that you've seen do you think is related to perhaps some of that stocking or build-out dynamic?
There's a little bit of stocking. After last quarter and then these blowout results, and we don't have much COVID in our numbers yet. The COVID's all still coming for us, hopefully, the serology. We did a big, deep dive, really globally, into what the hell's going on and why are we doing so well. We really did an account-by-account, customer-by-customer breakdown by segment of how we're doing and why, and there's really no silver bullet. We're up with vaccine makers for obvious reasons. We're up with biopharma for a lot of reasons we talked about, but there's been more OEM work as well. They're all having a pretty good year, so they're outsourcing more. We've had more custom work given to us.
Academia has been certainly the duplicity issue and some surge comeback and maybe some budget flushing on multiple fronts, to be honest. We discovered some, I think. Not material. It's not like it's half our growth or a third or a fourth, but there's a little there. It's really a sum of the parts is what it comes down to for us. No silver bullet. It's not all COVID, it's not all anything, but it is a rising tide, really, that's just research is doing really well on all fronts for us. We're perfectly positioned, as Puneet said earlier.
In proteomics, we're in the right spot right now, and whether you're buying antibodies to make COVID tests or you need overflow help because you're stacked with working capacity to develop vaccines or you're academic institutions that are staggering, you're building out new labs, and you've got to buy more equipment, preferably equipment that's productivity-inclinated like ours, not so expensive. That's kind of where it's all coming from. In our reagents too, it's broad based. Even ELISA. One thing we can always go back to and just look at our good old ELISA kits, just Quantikine kits, 35 years old, and they kind of ebb and flow with projects and kind of the health of projects in biopharma, this is best year in years.
It just kind of speaks to the broad-based growth. We're not the only company talking about it, right? Everyone's riding this wave right now, and we just happen to be riding a little higher than most, which is great for us.
Okay, last one for me. Just on the Exo kidney transplant test, you talked about publication in the next few weeks. What's the path forward for that test, how should we think about potential launch timing there?
Yeah. I really was hoping that we'd be talking about that publication by now. It really is imminent. It should be days, not weeks, but who knows? The data looks fantastic. If it had been published, we could talk about the data. It's very good data. It's the first peer-reviewed article. We need to get a second. We need to do an outcomes test. There's work to be done before we start going after an LDT approach or working with a MAC or get started. We're on the path, and we think we're at a year or less here of getting into early access selling of this thing. Probably a good year away from a crosswalk or anything, but we'll see.
We're also looking at partnerships as well and we're also looking at other MACs, not using the same one we did prostate through. We've got a lot going on here. It's just been going very well. That platform is astounding. It works so well. It's amazing. As you know, exosomes, we feel, is the best in class for liquid biopsy, and the data is going to prove it here when you start seeing some of it. It's a big market. There aren't the same kind of barriers like we have with prostate urologists. Organ centers, there are not so many of them, so they're not so hard to go after in terms of a commercial attack. It's a big need.
It's a horrible thing to have to be given a new kidney and then lose it or to damage it through biopsies or testing as you're worried about rejection. Half of all these are rejected within 10 years. This is a tool that really has been needed. It's pee in a cup, and it can be sent in. It doesn't have to be done with a on-contact phlebotomist or something. We see a lot of upside in the price, the cost first and the price second is going to be, I think, really good compared to what's out there now.
All right, great. Thank you.
Our next question is from Alex Nowak with Craig-Hallum. Please proceed with your question.
Great. Good morning, everyone. The vaccines are being administered now, more are coming soon. It looks like immunity to a particular variant actually might last pretty long, but then we're seeing new variants that come out that lower the overall efficacy. I guess my question is, how is the vaccine rollout and the emergence of these new variants change your thinking around the quantitative COVID antibody test? You mentioned it in the prepared remarks, but where do you stand with partnering this test with the vaccine companies and then just separately the diagnostic labs?
Yeah. Well, as you know, Alex, we've had this test kind of ready to go since late last spring. There's been a, I guess, a lot of flutter and clutter with the FDA and a lot of poor EUAs that came out early on qualitative versions of serology, there's a bit of a hill to climb here for getting accepted. There won't be real demand until there's enough vaccine out there, enough people vaccinated to create that demand where they're calling their doctors to find out, "How do I find out if I'm immune or not? Can I see my grandkids or not?" People want to go back to concerts and get on planes and get on trains and be in malls again, no one's going to feel really good until they know they feel safe.
This is without a variant, this is without a mutation. As you know, we're tied at the hip of Mount Sinai. They've got the longest range testing known here on immunity. We're running at seven or eight months. They don't see a reduction in immunity with antibodies yet. The powers that be there do feel that it'll follow the corona family. It'll be variable of individual, but between probably one and two years of immunity, but not forever. If it doesn't mutate, that means a booster. If it mutates, we're kind of looking at a flu every year kind of thing, right? We're trying to hit a moving target like flu does, which is harder. All that speaks to the more of a need to serology. People are going to want to know consistently, are they immune?
Do not be surprised if in a year or two on your app on your phone, you're carrying an immunity passport and how you're doing with COVID, so you can be let onto whatever or let into whatever. All that technology's coming. It's not coming in one full flush, which is a problem. Everything's slower than we want. Vaccinations are going slow. By summer, we're not going to be probably at herd immunity yet. We're not going to be at a point where enough people are vaccinated where everyone feels safe. There's going to be a growing and growing demand for serology. We're hoping to get our quantitative claim be the only one given by the FDA very soon. All the data is submitted.
We have actually from the WHO, we have the sample that'll give us the means to actually quantitate our standard curve to theirs so there can be an international standard that the FDA is looking for to get behind. We're right in the thick of it, and we've got great partners with Mount Sinai. I do expect we'll get through it. Over a year, we probably won't be the only one, but we'll be the first one. We'll be a very good one. I think serology will be on the rise. I think people in PCR, I think it's not going away either. It's going to be a much slower tail than people think. You've probably heard that in other calls this week.
Unfortunately, we're turning the curve, but it's going to be a long tail on getting back to normality, and we're going to get a piece of this probably. We're a research company first. This is all gravy for us. We expect to be helping, and we're going to have a great piece of science to help with.
Thanks, Chuck. No, that's very helpful, maybe to expand on the more macro life science funding flush that you're seeing here. Right now, Washington is hashing out the COVID stimulus plan. What specifically are you hearing in that plan that could be deployed for life science research funding? For how long can that benefit last? I guess the same question, but directed more towards China, their plans for their next five-year plan. Are you hearing anything in particular there?
Well, we'll start reverse. China's not really good at laying out what they're going to do. To the theme, we're looking at, I think, the 14th version of a five-year plan. What typically happens is year one is a little bit soft, and year two, it kicks into high gear. Year five is a bit softer, too, and we had a bit of, we'll call it budget flush over there, too, because they're also changing some tax consequences there. I think everybody that had strong instrument results in China probably were seeing a little bit of pull forward from that. Haven't seen it much mentioned, but we certainly saw it, and we'll admit to it. I think it's going to be really good, the next plan for China.
I think healthcare is still way behind where they are in other parts of their economy and their industry, and it's a lagging industry, and now more than ever with COVID, and they certainly don't want to see a pandemic hit there. People want healthcare there, and life science is on the rise still. That's why we continue to see 25% or better growth, and we will for a long time, I think. I think as far as our government is concerned, whether it ends up being $600 million more or $1 billion more or $1.9 billion, there's going to definitely be portions of this that are given as grants and been done for pandemic research, and which really is infectious diseases, which there really hasn't been a whole lot of.
Most of the NIH, as you know, is really focused more on oncology, neuroscience, and different areas like that. As I've mentioned often, when's the last time you paid more than $1 for an antibiotic? We're behind in a lot of areas around infections. I think there'll be a lot of overflow and a halo effect from stimuli. I think that's one reason that the official NIH budget for this year now is looking at 3%. I think they're all holding off until they see what's going to really drift out around these stimulus packages into the science community, which I think there'll be some. It's hard to quantify. I think there'll be some. If there's not, you'll see more pressure for the NIH to get more, I think.
Okay, great. Thanks, Chuck. Appreciate it.
Our next question is from Dan Arias with Stifel. Please proceed with your question.
Morning, guys. Thanks. Chuck, on the GMP proteins business, you've talked about pharma customers looking for a provider that can handle some pretty large orders there, multimillion-dollar lots. Do you have some of these in the pipeline or as semi-firm commitments at this point? When we think about what you're prepared to do in terms of supplying here in initial days with the new facility, what is the plan for scaling up that portfolio? It sounds like the idea is to start off with a couple of key molecules to work from there. I'm just curious what the portfolio expansion ramp looks like and whether that's what you really need in order to sort of drive the acceleration that you've talked about recently.
Well, we landed our second, and these contracts are, they started years ago with these guys coming to us and asking, "We've been buying proteins from you forever, and we buy them in small lots, and we're probably a large customer for you at maybe a half a million dollars a year. If we get into cell and gene therapies and we need proteins as part of the workflow, we need something like probably $10 million or more a year. Could you do that?" Back then, all we could say was no, we couldn't. Now fast-forward to here, this is our building, this factory. Even there, we've improved our current site and headquarters that we can do probably upwards of about $40 million or so annually of GMP proteins here.
We've done a good job there, and that's going to fill the gap while we qualify this factory and wait for the large orders, because we're not going to have a large venue, a large catalog here. We're going to be making far less than 50 different proteins there. We are qualifying on the major runners, and you can guess what they are. They start with an IL, and we'll go from there. Both these first two customers have needs of over $10 million a year, and we are in negotiation with at least a half a dozen others, and I won't tell you who, but one of them has a need for $50 million a year. What we've done with these customers, because it's hard for them to give us a forecast.
The way we've contracted is that we're demanding 95% of their volume. Whatever they end up needing, it's really an unknown right now how these things take off, when they come out, what the forecast is going to be, what's the ramp, how do we plan for it? They know it too. They know it's frustrating for us because how do you prepare? What we've done is turned our contracting towards, we want to see a range, which you need. We'll be there. We don't know when, but we expect 95% of your volume. That's contracted. That's kind of the gis t of how we're doing business. These, call them eight customers, would swamp us out for years if they hit their forecast.
Just these, and there's another 50-100 after that, so we're not concerned about filling this factory eventually.
Yeah. Okay. Okay. Then maybe on the EPI side, appreciate some of the comments that you've made thus far. Leaving aside the doc visit dynamic and just the challenges related to the pandemic, what do you think the things are that the urology community needs to see this year in order to really feel like this is a test that's sort of a must-use option rather than a nice-to-have option? Is it additional data and publications? Is it being seen by a sales rep now that you've kind of solidified the use case a little bit? I'm curious about what you think at this point, given where we are, really kind of fulfills the dream here.
On your latter comment, I think the utility, the outcome studies, that's what the large payers are looking more for, and we're probably halfway there, and we are very close to landing one of the majors. Can't say who that is either, hopefully it's imminent. When we get one, we'll get more, but that's what they're looking for is the outcomes. How does it really save money for the industry, right? Save more lives. The urologists, we've sold through roughly 2,500 of them, and there's about 20,000, so we got a lot of work to do. Of that 2,500, 77% have reordered. Once they're in it, they believe it. I think it really is more of a commercial issue of getting in front of them again and selling.
I think the home kit's still part of the gap, certainly Cal is helping a lot. We have some great KOLs. We're going to get back in front of NCCN here in February for reconsideration. That's going to help quite a bit. I think that'll be a positive story. I think it's a grind. I think these urologists, like a lot of different specialty doctors, they're hard to convert. I'm certain a large portion of them enjoy their $1,500 a piece biopsies and know that they're mostly negative and don't care. It's just the state of the business. We have to grind through them. We have to almost shame them into moving into this methodology because it's better for the patient, even though it's less revenue for them.
The better urologists get it, and they're on board, and we're converting them. It's not going to be a one-year event here.
Yep. I got you. Okay. Very good. Thanks, Chuck.
Our next question is from Jacob Johnson with Stephens. Please proceed with your question.
Hey, thanks, and I'll add my congrats on a really nice quarter. Just Chuck, one question on the outlook for this year, and I want to make sure I'm clear on your comment earlier. You're lapping I think a similar organic growth quarter, organic growth number next quarter, and then obviously a much easier comp in the fourth quarter. Is there any reason organic growth shouldn't be at this 19% level like this quarter or potentially higher the next couple of quarters?
I'm going to let my esteemed CFO answer that one for you.
Yeah. Hi, Jacob. Listen, the way we're thinking about the forecast is more about the current momentum we have in the business and the sequential of that momentum going forward, as opposed to year-over-year growth rates, because it gets wonky, especially in Q4 for us with what happened in Q4 last year. The way we're thinking about it is that the momentum from an absolute revenue perspective continuing. If history is any guide, usually our Q3 and Q4, our fiscal Q3 and Q4 are slightly higher than our second quarter, and if nothing else, because there's less holidays within those quarters as there are in the November and December timeframe. That's kind of how we're thinking about it.
We think the momentum that we saw, that the step-up in momentum that we saw in absolute terms in Q2 is with us at least for the rest of the fiscal year. That's kind of how we're thinking about the forecast going forward.
Got it. Thanks for that, Jim. Chuck, you made some interesting comments on TcBuster earlier. It sounds like business development efforts are going well there. Can you give us any more details on where that offering stands? Maybe how many customers you're working with? Any color around that? You mentioned the potential to maybe add some capacity. Would that suggest the opportunity here could be greater than, I think, the kind of $50 million revenue aspiration you previously outlined?
I think it's more about the ramp and the acceleration to that $50 million. I don't think we know enough yet. The gene editing portion of the workflow is not the most expensive, not the most valuable part of the workflow. It's a critical part, obviously, but we'll see. The domain of customers is a little over 100, as you know. We are certainly working with a couple dozen, and we are certainly sold to more than a half a dozen, quite a few. They're coming in bigger chunks. They get access and do a trial. It's hundreds of thousands of dollars. We're in the millions now for revenue with Tc Buster. It's starting to get there. This thing's going to happen.
Unfortunately, it's a critical part of a brand-new workflow for a cell and gene therapy that's radically different than using viral approaches. It's kind of next generation. We've got to kind of grind through getting a half a dozen, two dozen of these guys lined up and get them into their clinicals and then get going on it. I think this one really is a J curve for five years from now to the 50, 60 or whatever it ends up being. It's also going to probably be growth rates of 50%-100% starting now for the next two to three years until it grows even faster as it really ramps as these things go into production.
Got it. Thanks for taking the question.
Our next question is from Patrick Donnelly with Citi. Please proceed with your question.
Hey, guys. Thanks for taking the questions. Chuck, maybe just on the ACD side, nice to see that back to growth pre-pandemic, even beyond that. Can you just talk a little more color on what you're seeing in that market and expectations going forward? Again, certainly feels like it's found its footing here. What can we expect over the next few quarters there?
Yeah, I think given the likes of other companies in the domain, like NanoString and 10x and others, spatial. They're all helping create an industry, right? We're all working on creating a spatial analysis, and there's a big need for spatial analysis in the workflow for all research in proteomics for one, as well as other areas. It really comes down to that. If you need to do down to single-cell analysis and you really care about the morphology of your tissue sample, which is precious, this is a great technology. Also, other technologies that use antibodies, sometimes you can't find the antibodies, or they aren't working well, or they're not producible. Looking for a gene is much more on or off. It's there or not.
This technology with the Z-probe trees that could detect and get the signal, it's foolproof. That's why we're seeing a lift. I think a lot of our softness a couple of years ago, we had to reorganize Europe. Europe is just on fire now. The plans really are definitely working in Europe. Europe is doing great. We had over 20% growth in Europe this quarter. It's a nice thing to see. Our genomics division had a big part of it. We're also seeing good growth across the board in Asia as well, although smaller, starting to catch on. We've mentioned miRNAscope and BaseScope. They're also growing nicely, and our HiPlex, our multiplex version, is starting to grow.
We'll get an FFPE version of the HiPlex out here soon that'll really be needed, I think, and compete well with what's out there. Then, of course, DNAscope is coming at the end of this fiscal year, we hope, and that's another platform. It's a great pipeline. It's got a lot of legs. Again, we see a $200 million-$300 million division here with this technology in our five-year plan. If it keeps growing at the near 30% growth it's back to, it won't take that long.
Yep. No, that's helpful. Then one for Jim. Just on the margin side, can you just talk through kind of how we should think about that going forward, including the Exo impact? I know that Medicare shifted over to accrual-based accounting this year, so maybe just the impact of Exo on the margins and expectations kind of as we approach that 40% you've talked about for a little while here.
Yeah. I think we've shared this last quarter, and it's a similar story this quarter. If you exclude Exosome from our results, the total company would have been in the low 40s with regards to our adjusted operating margin. That'll give you some insight as to the dilution impact of Exo currently. With regards to the margin profile, second half versus first half, the margin performance has far exceeded our expectations, but mainly because we are behind our investment plan, as I've mentioned even last quarter, right? It is absolutely important that we continue to invest in our R&D pipelines and in our customer-facing and customer service, our post-sale service, in order to maintain this momentum.
We do expect to get caught up on those investments, and if we are successful in doing so, our margin profile, we think, will be slightly less in the back half than it is in the front half, but still very strong compared to last year and ahead of plan of where we thought we'd be at this point in time on our track to a total company performance of north of 40% in the next couple of years.
Understood. Thanks, guys.
Yep.
We have reached the end of the question and answer session. I'll now turn the call over to management for any closing remarks.
Well, thank you, everyone. It was a record quarter. We enjoyed it. We enjoyed this call. We know they're not all like this. We hope we don't have one of the other kind very soon. We look forward to seeing you next quarter, and it should be a great second half this year, we think. We'll tune in again next quarter. Thank you.
This concludes today's conference, and you may disconnect your lines at this time. Thank you for your participation.