{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,31]],"date-time":"2026-07-31T04:59:05Z","timestamp":1785473945674,"version":"3.56.0"},"reference-count":78,"publisher":"American Chemical Society (ACS)","issue":"7","license":[{"start":{"date-parts":[[2026,2,13]],"date-time":"2026-02-13T00:00:00Z","timestamp":1770940800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"publisher","award":["1R35GM138092-01"],"award-info":[{"award-number":["1R35GM138092-01"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000054","name":"National Cancer Institute","doi-asserted-by":"publisher","award":["R01CA174869"],"award-info":[{"award-number":["R01CA174869"]}],"id":[{"id":"10.13039\/100000054","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000054","name":"National Cancer Institute","doi-asserted-by":"publisher","award":["R01CA268179"],"award-info":[{"award-number":["R01CA268179"]}],"id":[{"id":"10.13039\/100000054","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/na","name":"TRDRP Postdoctoral Award","doi-asserted-by":"publisher","award":["T32FT4922"],"award-info":[{"award-number":["T32FT4922"]}],"id":[{"id":"10.13039\/na","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,7,27]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Nanoscale collagen remodeling is a critical physical signature of tumor development and metastasis. Recently, we have shown that vibrational sum-frequency generation (VSFG) microscopy can detect tumor tissues prepared from Optimal Cutting Temperature (OCT) samples, where this unique sensitivity to nanostructure comes from mode-specific coherent interference. Yet, most clinical tissues are processed as formalin-fixed, paraffin-embedded (FFPE) blocks, which remains unknown whether these harsh fixations and embedding processes destroy the subtle structural cues that VSFG detects. Thus, it could present a large barrier for further application of VSFG broadly into biophysics and biomedical research of tumors. Here, we demonstrate that VSFG remains fully effective in deparaffinized FFPE tissues. Crucially, following deparaffinization, key diagnostic metrics were statistically indistinguishable from OCT cryosection controls. These metrics included VSFG spectra, chemical images, and the collagen ratio INHs\/ICH2,Ss. Complementary atomic force microscopy (AFM) nanomechanics corroborated this finding. These findings open the path of using VSFG imaging for standard clinical workflows and the vast global archives of FFPE tissues for retrospective prognostic studies and label-free diagnostics.<\/jats:p>","DOI":"10.1021\/cbmi.5c00240","type":"journal-article","created":{"date-parts":[[2026,2,13]],"date-time":"2026-02-13T06:12:21Z","timestamp":1770963141000},"page":"1352-1360","source":"Crossref","is-referenced-by-count":0,"title":["Nanoscale-Sensitive\nVSFG Microscopy for Identifying\nBreast Tumor in FFPE Samples"],"prefix":"10.1021","volume":"4","author":[{"given":"Jianyu","family":"Ren","sequence":"first","affiliation":[{"name":"UC San Diego , , , ,","place":["La Jolla, California, United States, 92093"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3112-5215","authenticated-orcid":true,"given":"Chun-Chieh","family":"Yu","sequence":"additional","affiliation":[{"name":"UC San Diego , , , ,","place":["La Jolla, California, United States, 92093"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aida","family":"Mestre-Farrera","sequence":"additional","affiliation":[{"name":"University of California , , San Diego , ,","place":["La Jolla, California, United States, 92093"]},{"name":"University of California , , San Diego , , ,","place":["La Jolla, California, United States, 92093"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elizabeth A.","family":"Pfau","sequence":"additional","affiliation":[{"name":"UC San Diego , , , ,","place":["La Jolla, California, United States, 92093"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jing","family":"Yang","sequence":"additional","affiliation":[{"name":"University of California , , San Diego , ,","place":["La Jolla, California, United States, 92093"]},{"name":"University of California , , San Diego , ,","place":["La Jolla, California, United States, 92093"]},{"name":"University of California , , San Diego , , ,","place":["La Jolla, California, United States, 92093"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7702-0187","authenticated-orcid":true,"given":"Wei","family":"Xiong","sequence":"additional","affiliation":[{"name":"UC San Diego , , , ,","place":["La Jolla, California, United States, 92093"]},{"name":"UC San Diego , , , ,","place":["La Jolla, California, United States, 92093"]},{"name":"UC San Diego , , , ,","place":["La Jolla, California, United States, 92093"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2026,2,13]]},"reference":[{"issue":"1","key":"2026073100224063800_cit1","doi-asserted-by":"publisher","first-page":"12","DOI":"10.3322\/caac.21820","article-title":"Cancer Statistics, 2024","volume":"74","author":"Siegel","year":"2024","journal-title":"CA Cancer J. 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Soc."},{"issue":"7","key":"2026073100224063800_cit55","doi-asserted-by":"publisher","first-page":"2434","DOI":"10.1021\/bm200518n","article-title":"Selective\nDetection of Crystalline Cellulose in Plant Cell Walls with Sum-Frequency-Generation\n(SFG) Vibration Spectroscopy","volume":"12","author":"Barnette","year":"2011","journal-title":"Biomacromolecules"},{"issue":"40","key":"2026073100224063800_cit56","doi-asserted-by":"publisher","first-page":"36657","DOI":"10.1021\/jacs.5c11862","article-title":"Mode-Specific\nCoherent Interference of Vibrational Sum-Frequency\nGeneration Imaging: An Approach to Differentiate Lung Tumors through\nCollagen Interfibrillar Distances","volume":"147","author":"Yang","year":"2025","journal-title":"J. Am. Chem.\nSoc."},{"issue":"202","key":"2026073100224063800_cit57","doi-asserted-by":"publisher","first-page":"e65388","DOI":"10.3791\/65388","article-title":"Multimodal Nonlinear\nHyperspectral Chemical Imaging Using Line-Scanning Vibrational Sum-Frequency\nGeneration Microscopy","volume":"2023","author":"Wagner","year":"2023","journal-title":"J. Visualized Exp."},{"issue":"37","key":"2026073100224063800_cit58","doi-asserted-by":"publisher","first-page":"7192","DOI":"10.1021\/acs.jpcb.2c05876","article-title":"Imaging Orientation of a Single Molecular\nHierarchical Self-Assembled Sheet: The Combined Power of a Vibrational\nSum Frequency Generation Microscopy and Neural Network","volume":"126","author":"Wagner","year":"2022","journal-title":"J. Phys. Chem. 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