{"id":951617,"date":"2026-04-15T09:35:32","date_gmt":"2026-04-15T13:35:32","guid":{"rendered":"https:\/\/www.marketnewsdesk.com\/index.php\/quantum-si-announces-two-customer-posters-to-be-presented-at-the-american-association-of-cancer-research-annual-meeting\/"},"modified":"2026-04-15T09:35:32","modified_gmt":"2026-04-15T13:35:32","slug":"quantum-si-announces-two-customer-posters-to-be-presented-at-the-american-association-of-cancer-research-annual-meeting","status":"publish","type":"post","link":"https:\/\/www.marketnewsdesk.com\/index.php\/quantum-si-announces-two-customer-posters-to-be-presented-at-the-american-association-of-cancer-research-annual-meeting\/","title":{"rendered":"Quantum-Si Announces Two Customer Posters to be Presented at the American Association of Cancer Research Annual Meeting"},"content":{"rendered":"<p>        <!--.bwalignc { text-align: center; list-style-position: inside }body {font:normal small Arial,Helvetica,sans-serif;color:#000;background-color:#fff;padding:24px;margin:0;} a img {border:0;} h3 {font-size:medium;color:#000;margin:0 0 1em 0; text-align:center;}-->  <\/p>\n<p class=\"bwalignc\"><b>Quantum-Si Announces Two Customer Posters to be Presented at the American Association of Cancer Research Annual Meeting<\/b><\/p>\n<p>BRANFORD, Conn.&#8211;(<a href=\"http:\/\/www.businesswire.com\">BUSINESS WIRE<\/a>)&#8211;<a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=https%3A%2F%2Fwww.quantum-si.com%2F&amp;esheet=54492788&amp;newsitemid=20260414060888&amp;lan=en-US&amp;anchor=Quantum-Si+Incorporated&amp;index=1&amp;md5=8748ecec5c8453488fc1bcea7bacd344\">Quantum-Si Incorporated<\/a> (Nasdaq: QSI) (\u201cQuantum-Si,\u201d \u201cQSI\u201d or the \u201cCompany\u201d), a proteomics company redefining protein analysis through single-molecule protein sequencing, today announced that there will be two customer posters presented at the American Association of Cancer Research (AACR) annual meeting on April 17-22, 2026 in San Diego, California.<\/p>\n<p><b>Poster 2421; April 20, 2026<br \/>\n<br \/><\/b><b>Primary Author<\/b>: Nigel O\u2019Neil, PhD<br \/>\n<br \/><b>Poster Title<\/b>: Combining deep mutational scanning and next-generation protein sequencing to harness dominant protein variants to develop DNA repair inhibitors<\/p>\n<p>\nIn the first poster, the researchers describe a complementary genetic (high throughput screens) and proteomic (benchtop protein sequencing) approach to find and model the behavior of therapeutics targeting DNA repair enzymes.<\/p>\n<p><b>Poster 7650; April 22, 2026<br \/>\n<br \/><\/b><b>Primary Author<\/b>: Gloria Sheynkman, PhD<br \/>\n<br \/><b>Poster Title<\/b>: High-resolution detection of post-translational modifications using single-molecule protein sequencing<\/p>\n<p>\nIn the second poster, the researchers demonstrated the ability to resolve and quantify multiple PTMs using Quantum-Si\u2019s single-molecule protein sequencing technology. The authors suggested that the technology could be used to add proteoform characterization to biomarker studies, providing additional resolution not readily available in broad biomarker screening panels. The authors further concluded that they expect this technology could democratize advanced protein characterization, making the high-resolution detection of PTMs available to a broader scientific community.<\/p>\n<p>\n\u201cWe are excited to see new customer data being presented at key industry conferences like AACR, that continue to demonstrate the power of our proprietary single-molecule protein sequencing technology,\u201d said Jeff Hawkins, President and Chief Executive Officer of Quantum-Si. \u201cWe invested significant effort during 2025 to build a pipeline of studies that would demonstrate the power of our technology, and we are very pleased to have a steady flow of customer pre-prints, publications and posters being released this year as we work to expand awareness and build momentum towards the launch of Proteus\u2122.\u201d<\/p>\n<p><b>About Quantum-Si Incorporated<\/b><\/p>\n<p>\nQuantum-Si is transforming proteomics with a benchtop platform that brings single-molecule protein analysis to every lab, everywhere. The Company\u2019s platform enables real-time kinetic-based detection and allows researchers to move beyond traditional, multistep workflows and directly access dynamic, functional protein insights with unparalleled resolution. By making protein analysis simpler, faster, and more informative, Quantum-Si is accelerating proteomic discoveries to improve the way we live. Learn more at <a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=http%3A%2F%2Fwww.quantum-si.com&amp;esheet=54492788&amp;newsitemid=20260414060888&amp;lan=en-US&amp;anchor=quantum-si.com&amp;index=2&amp;md5=472227b47c8018449ba4abaed9ba2772\">quantum-si.com<\/a> or follow us on <a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fquantum-si&amp;esheet=54492788&amp;newsitemid=20260414060888&amp;lan=en-US&amp;anchor=LinkedIn&amp;index=3&amp;md5=428dce2ed729990e98ba0e3e5b780b40\">LinkedIn<\/a> or <a rel=\"nofollow\" href=\"https:\/\/cts.businesswire.com\/ct\/CT?id=smartlink&amp;url=https%3A%2F%2Ftwitter.com%2Fquantum_si&amp;esheet=54492788&amp;newsitemid=20260414060888&amp;lan=en-US&amp;anchor=X&amp;index=4&amp;md5=5ba4caadcf55734599646bedcca3e57a\">X<\/a>.<\/p>\n<p><b>Forward Looking Statements<\/b><\/p>\n<p>\nThis press release includes \u201cforward-looking statements\u201d within the meaning of the \u201csafe harbor\u201d provisions of the United States Private Securities Litigation Reform Act of 1995. The actual results of the Company may differ from its expectations, estimates, and projections and, consequently, you should not rely on these forward-looking statements as predictions of future events. Words such as \u201cexpect,\u201d \u201cestimate,\u201d \u201cproject,\u201d \u201cbudget,\u201d \u201cforecast,\u201d \u201canticipate,\u201d \u201cintend,\u201d \u201cplan,\u201d \u201cmay,\u201d \u201cwill,\u201d \u201ccould,\u201d \u201cshould,\u201d \u201cbelieves,\u201d \u201cpredicts,\u201d \u201cpotential,\u201d \u201ccontinue,\u201d and similar expressions (or the negative versions of such words or expressions) are intended to identify such forward-looking statements. These forward-looking statements include, without limitation, the Company\u2019s expectations with respect to future performance and development and commercialization of products, services and applications, its anticipated cash runway, the anticipated timing of product launches and product capabilities (including Proteus), investor confidence in Quantum-Si and our strategic roadmap, and any financial guidance. These forward-looking statements involve significant risks and uncertainties that could cause the actual results to differ materially from those discussed in the forward-looking statements. Many of these factors are outside the Company\u2019s control and are difficult to predict. Factors that may cause such differences include, but are not limited to: the inability to maintain the listing of the Company\u2019s Class A common stock on The Nasdaq Stock Market; the ability of the Company to grow and manage growth and retain its key employees; the Company\u2019s ongoing leadership transitions and succession planning; changes in applicable laws or regulations; the ability of the Company to raise financing in the future; the success, cost and timing of the Company\u2019s product development and commercialization activities, including the use and benefit of artificial intelligence in these and other activities; the commercialization and adoption of the Company\u2019s existing products and the success of any product the Company may offer in the future, including Proteus; the potential attributes and benefits of the Company\u2019s commercialized Platinum protein sequencing instruments and kits and the Company\u2019s other products (including Proteus) once commercialized; the Company\u2019s ability to obtain and maintain regulatory approval for its products, and any related restrictions and limitations of any approved product; the Company\u2019s ability to identify, in-license or acquire additional technology; the Company\u2019s ability to maintain its existing lease, license, manufacture and supply agreements; the Company\u2019s ability to compete with other companies currently marketing or engaged in the development or commercialization of products and services that serve customers engaged in proteomic analysis, many of which have greater financial and marketing resources than the Company; the size and growth potential of the markets for the Company\u2019s products and services, and its ability to serve those markets once commercialized, either alone or in partnership with others; the Company\u2019s estimates regarding future expenses, future revenue, capital requirements and needs for additional financing; the Company\u2019s financial performance; the Company&#8217;s defense and initiation of litigation matters; and other risks and uncertainties described under \u201cRisk Factors\u201d in the Company\u2019s most recent Annual Report on Form 10-K and Quarterly Reports on Form 10-Q and in the Company\u2019s other filings with the SEC. The Company cautions that the foregoing list of factors is not exclusive. The Company cautions readers not to place undue reliance upon any forward-looking statements, which speak only as of the date made. The Company does not undertake or accept any obligation or undertaking to release publicly any updates or revisions to any forward-looking statements to reflect any change in its expectations or any change in events, conditions, or circumstances on which any such statement is based.<\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"https:\/\/cts.businesswire.com\/ct\/CT?id=bwnews&amp;sty=20260414060888r1&amp;sid=flmnd&amp;distro=nx&amp;lang=en\" style=\"width:0;height:0\" \/><span class=\"bwct31415\" \/><\/p>\n<p id=\"mmgallerylink\"><span id=\"mmgallerylink-phrase\">View source version on businesswire.com: <\/span><span id=\"mmgallerylink-link\"><a href=\"https:\/\/www.businesswire.com\/news\/home\/20260414060888\/en\/\" rel=\"nofollow\">https:\/\/www.businesswire.com\/news\/home\/20260414060888\/en\/<\/a><\/span><\/p>\n<p><b>Investor and Media<br \/>\n<\/b><br \/>Jeff Keyes<br \/>\n<br \/>Chief Financial Officer<br \/>\n<br \/><a rel=\"nofollow\" href=\"mailto:ir@quantum-si.com\">ir@quantum-si.com<\/a><\/p>\n<p><b>KEYWORDS:<\/b> Connecticut United States North America<\/p>\n<p><b>INDUSTRY KEYWORDS:<\/b> Biotechnology Technology Other Health Health Pharmaceutical Oncology Other Science Research Science Hardware Clinical Trials<\/p>\n<p><b>MEDIA:<\/b><\/p>\n<table cellpadding=\"3\" cellspacing=\"3\">\n<tr>\n<td><font face=\"Arial\" size=\"2\"><b>Logo<\/b><\/font><\/td>\n<\/tr>\n<tr>\n<td><img decoding=\"async\" src=\"https:\/\/mms.businesswire.com\/media\/20260414060888\/en\/2762803\/3\/QSI_LOGO_WORDMARK_BLUE_RGB_%28003%29.jpg\" alt=\"Logo\" \/><\/td>\n<\/tr>\n<tr>\n<td><font face=\"Arial\" size=\"2\"><\/font><\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Quantum-Si Announces Two Customer Posters to be Presented at the American Association of Cancer Research Annual Meeting BRANFORD, Conn.&#8211;(BUSINESS WIRE)&#8211;Quantum-Si Incorporated (Nasdaq: QSI) (\u201cQuantum-Si,\u201d \u201cQSI\u201d or the \u201cCompany\u201d), a proteomics company redefining protein analysis through single-molecule protein sequencing, today announced that there will be two customer posters presented at the American Association of Cancer Research (AACR) annual meeting on April 17-22, 2026 in San Diego, California. Poster 2421; April 20, 2026 Primary Author: Nigel O\u2019Neil, PhD Poster Title: Combining deep mutational scanning and next-generation protein sequencing to harness dominant protein variants to develop DNA repair inhibitors In the first poster, the researchers describe a complementary genetic (high throughput screens) and proteomic (benchtop protein sequencing) approach to find and model the &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.marketnewsdesk.com\/index.php\/quantum-si-announces-two-customer-posters-to-be-presented-at-the-american-association-of-cancer-research-annual-meeting\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Quantum-Si Announces Two Customer Posters to be Presented at the American Association of Cancer Research Annual Meeting&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-951617","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Quantum-Si Announces Two Customer Posters to be Presented at the American Association of Cancer Research Annual Meeting - Market Newsdesk<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.marketnewsdesk.com\/index.php\/quantum-si-announces-two-customer-posters-to-be-presented-at-the-american-association-of-cancer-research-annual-meeting\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Quantum-Si Announces Two Customer Posters to be Presented at the American Association of Cancer Research Annual Meeting - Market Newsdesk\" \/>\n<meta property=\"og:description\" content=\"Quantum-Si Announces Two Customer Posters to be Presented at the American Association of Cancer Research Annual Meeting BRANFORD, Conn.&#8211;(BUSINESS WIRE)&#8211;Quantum-Si Incorporated (Nasdaq: QSI) (\u201cQuantum-Si,\u201d \u201cQSI\u201d or the \u201cCompany\u201d), a proteomics company redefining protein analysis through single-molecule protein sequencing, today announced that there will be two customer posters presented at the American Association of Cancer Research (AACR) annual meeting on April 17-22, 2026 in San Diego, California. Poster 2421; April 20, 2026 Primary Author: Nigel O\u2019Neil, PhD Poster Title: Combining deep mutational scanning and next-generation protein sequencing to harness dominant protein variants to develop DNA repair inhibitors In the first poster, the researchers describe a complementary genetic (high throughput screens) and proteomic (benchtop protein sequencing) approach to find and model the &hellip; Continue reading &quot;Quantum-Si Announces Two Customer Posters to be Presented at the American Association of Cancer Research Annual Meeting&quot;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.marketnewsdesk.com\/index.php\/quantum-si-announces-two-customer-posters-to-be-presented-at-the-american-association-of-cancer-research-annual-meeting\/\" \/>\n<meta property=\"og:site_name\" content=\"Market Newsdesk\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-15T13:35:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cts.businesswire.com\/ct\/CT?id=bwnews&amp;sty=20260414060888r1&amp;sid=flmnd&amp;distro=nx&amp;lang=en\" \/>\n<meta name=\"author\" content=\"Newsdesk\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Newsdesk\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/quantum-si-announces-two-customer-posters-to-be-presented-at-the-american-association-of-cancer-research-annual-meeting\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/quantum-si-announces-two-customer-posters-to-be-presented-at-the-american-association-of-cancer-research-annual-meeting\\\/\"},\"author\":{\"name\":\"Newsdesk\",\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/#\\\/schema\\\/person\\\/482f27a394d4fda80ecb5499e519d979\"},\"headline\":\"Quantum-Si Announces Two Customer Posters to be Presented at the American Association of Cancer Research Annual Meeting\",\"datePublished\":\"2026-04-15T13:35:32+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/quantum-si-announces-two-customer-posters-to-be-presented-at-the-american-association-of-cancer-research-annual-meeting\\\/\"},\"wordCount\":1052,\"image\":{\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/quantum-si-announces-two-customer-posters-to-be-presented-at-the-american-association-of-cancer-research-annual-meeting\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/cts.businesswire.com\\\/ct\\\/CT?id=bwnews&amp;sty=20260414060888r1&amp;sid=flmnd&amp;distro=nx&amp;lang=en\",\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/quantum-si-announces-two-customer-posters-to-be-presented-at-the-american-association-of-cancer-research-annual-meeting\\\/\",\"url\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/quantum-si-announces-two-customer-posters-to-be-presented-at-the-american-association-of-cancer-research-annual-meeting\\\/\",\"name\":\"Quantum-Si Announces Two Customer Posters to be Presented at the American Association of Cancer Research Annual Meeting - 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Market Newsdesk","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.marketnewsdesk.com\/index.php\/quantum-si-announces-two-customer-posters-to-be-presented-at-the-american-association-of-cancer-research-annual-meeting\/","og_locale":"en_US","og_type":"article","og_title":"Quantum-Si Announces Two Customer Posters to be Presented at the American Association of Cancer Research Annual Meeting - Market Newsdesk","og_description":"Quantum-Si Announces Two Customer Posters to be Presented at the American Association of Cancer Research Annual Meeting BRANFORD, Conn.&#8211;(BUSINESS WIRE)&#8211;Quantum-Si Incorporated (Nasdaq: QSI) (\u201cQuantum-Si,\u201d \u201cQSI\u201d or the \u201cCompany\u201d), a proteomics company redefining protein analysis through single-molecule protein sequencing, today announced that there will be two customer posters presented at the American Association of Cancer Research (AACR) annual meeting on April 17-22, 2026 in San Diego, California. Poster 2421; April 20, 2026 Primary Author: Nigel O\u2019Neil, PhD Poster Title: Combining deep mutational scanning and next-generation protein sequencing to harness dominant protein variants to develop DNA repair inhibitors In the first poster, the researchers describe a complementary genetic (high throughput screens) and proteomic (benchtop protein sequencing) approach to find and model the &hellip; Continue reading \"Quantum-Si Announces Two Customer Posters to be Presented at the American Association of Cancer Research Annual Meeting\"","og_url":"https:\/\/www.marketnewsdesk.com\/index.php\/quantum-si-announces-two-customer-posters-to-be-presented-at-the-american-association-of-cancer-research-annual-meeting\/","og_site_name":"Market Newsdesk","article_published_time":"2026-04-15T13:35:32+00:00","og_image":[{"url":"https:\/\/cts.businesswire.com\/ct\/CT?id=bwnews&amp;sty=20260414060888r1&amp;sid=flmnd&amp;distro=nx&amp;lang=en","type":"","width":"","height":""}],"author":"Newsdesk","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Newsdesk","Est. reading time":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.marketnewsdesk.com\/index.php\/quantum-si-announces-two-customer-posters-to-be-presented-at-the-american-association-of-cancer-research-annual-meeting\/#article","isPartOf":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/quantum-si-announces-two-customer-posters-to-be-presented-at-the-american-association-of-cancer-research-annual-meeting\/"},"author":{"name":"Newsdesk","@id":"https:\/\/www.marketnewsdesk.com\/#\/schema\/person\/482f27a394d4fda80ecb5499e519d979"},"headline":"Quantum-Si Announces Two Customer Posters to be Presented at the American Association of Cancer Research Annual Meeting","datePublished":"2026-04-15T13:35:32+00:00","mainEntityOfPage":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/quantum-si-announces-two-customer-posters-to-be-presented-at-the-american-association-of-cancer-research-annual-meeting\/"},"wordCount":1052,"image":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/quantum-si-announces-two-customer-posters-to-be-presented-at-the-american-association-of-cancer-research-annual-meeting\/#primaryimage"},"thumbnailUrl":"https:\/\/cts.businesswire.com\/ct\/CT?id=bwnews&amp;sty=20260414060888r1&amp;sid=flmnd&amp;distro=nx&amp;lang=en","inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.marketnewsdesk.com\/index.php\/quantum-si-announces-two-customer-posters-to-be-presented-at-the-american-association-of-cancer-research-annual-meeting\/","url":"https:\/\/www.marketnewsdesk.com\/index.php\/quantum-si-announces-two-customer-posters-to-be-presented-at-the-american-association-of-cancer-research-annual-meeting\/","name":"Quantum-Si Announces Two Customer Posters to be Presented at the American Association of Cancer Research Annual Meeting - 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