{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,7]],"date-time":"2026-08-07T17:20:48Z","timestamp":1786123248075,"version":"build-2736575974"},"reference-count":41,"publisher":"Wiley","issue":"44","license":[{"start":{"date-parts":[[2026,6,19]],"date-time":"2026-06-19T00:00:00Z","timestamp":1781827200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,6,19]],"date-time":"2026-06-19T00:00:00Z","timestamp":1781827200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["82202648"],"award-info":[{"award-number":["82202648"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100005046","name":"Natural Science Foundation of Heilongjiang Province","doi-asserted-by":"publisher","award":["LH2024H016"],"award-info":[{"award-number":["LH2024H016"]}],"id":[{"id":"10.13039\/501100005046","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Small"],"published-print":{"date-parts":[[2026,8]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Accurate detection of trace\u2010level microplastics in natural waters remains challenging due to inefficient particle enrichment, unstable particle\u2010substrate interactions, inhomogeneous hotspot distributions, and spectral similarity among polymers. Here, we develop a membrane\u2010confined SERS platform integrated with machine\u2010learning\u2010assisted spectral analysis for sensitive and reproducible microplastic detection. In this platform, PSS\u2010Na\u2010modified Au@Ag nanocubes are employed as plasmonic building blocks to construct a charge\u2010regulated, vertically stacked hotspot architecture on a cellulose acetate membrane. By improving microplastic enrichment, hotspot accessibility, and interlayer electromagnetic coupling, the membrane\u2010guided configuration enables reproducible detection of polystyrene down to 50\u00a0ng mL\n                    <jats:sup>\u2212<\/jats:sup>\n                    <jats:sup>1<\/jats:sup>\n                    . It also delivers highly reproducible signals in microplastic spike samples prepared in six environmental water matrices without chemical pretreatment. To resolve spectral similarity among polymers, a multi\u2010polymer SERS library covering PS, PMMA, PVC, and PC was integrated with an attention\u2010based 1D\u2010CNN, enabling reliable polymer identification and semi\u2010quantitative analysis of binary and ternary mixtures (R\n                    <jats:sup>2<\/jats:sup>\n                    \u00a0&gt;\u00a00.83). This membrane\u2010confined plasmonic platform, together with data\u2010driven spectral analysis, provides a robust route for intelligent microplastic monitoring in complex aquatic environments.\n                  <\/jats:p>","DOI":"10.1002\/smll.74231","type":"journal-article","created":{"date-parts":[[2026,6,19]],"date-time":"2026-06-19T09:08:22Z","timestamp":1781860102000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Interfacial Regulation\u2013Driven Dual\u2010Enrichment SERS Coupled With Deep Learning Enable Ultrasensitive and In Situ Identification of Microplastics in Natural Waters"],"prefix":"10.1002","volume":"22","author":[{"given":"Chaochao","family":"Ma","sequence":"first","affiliation":[{"name":"State Key Laboratory of Frigid Zone Cardiovascular Diseases (SKLFZCD) Research Center for Innovative Technology of Pharmaceutical Analysis College of Pharmacy Harbin Medical University  Harbin Heilongjiang 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