{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T13:22:53Z","timestamp":1788268973353,"version":"build-2803163510"},"reference-count":41,"publisher":"Wiley","issue":"49","license":[{"start":{"date-parts":[[2026,7,23]],"date-time":"2026-07-23T00:00:00Z","timestamp":1784764800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,7,23]],"date-time":"2026-07-23T00:00:00Z","timestamp":1784764800000},"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":["22425205"],"award-info":[{"award-number":["22425205"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["advanced.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Advanced Materials"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    The manipulation of micro\/nanoscale objects plays a critical role across a wide range of scientific and engineering disciplines. Photoactive colloids, capable of converting low\u2010intensity light into autonomous motion, present a highly programmable platform for micromanipulation. In this work, we introduce a \u201cphotoactive tweezers\u201d system based on visible\u2010light\u2010driven, dye\u2010sensitized TiO\n                    <jats:sub>2<\/jats:sub>\n                    particles. These particles exhibit positive phototaxis and are autonomously confined within structured optical fields via a self\u2010electrophoretic mechanism. Combining experiments and simulations, we reveal that a circular optical trap creates an effective harmonic potential well with tunable stiffness, controlled by the ratio of the particle size to the optical spot size. Using dynamic light patterns, we further showcase the platform's versatility through shape\u2010tunable confinement, wavelength\u2010selective trapping, and reconfigurable assembly of colloidal lattices. Moreover, we demonstrate that individual or collective active colloids can function as autonomous manipulators, transporting cargo larger than themselves and driving collaboratively assembled micromachines. This approach establishes a robust, flexible, and accessible strategy for advanced micromanipulation and active matter research.\n                  <\/jats:p>","DOI":"10.1002\/adma.74255","type":"journal-article","created":{"date-parts":[[2026,7,23]],"date-time":"2026-07-23T08:18:21Z","timestamp":1784794701000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Photoactive Tweezers"],"prefix":"10.1002","volume":"38","author":[{"given":"Jingyuan","family":"Chen","sequence":"first","affiliation":[{"name":"Department of Chemistry The University of Hong Kong  Hong Kong China"},{"name":"Materials Innovation Institute for Life Sciences and Energy (MILES) HKU\u2010SIRI  Shenzhen China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qingxin","family":"Guo","sequence":"additional","affiliation":[{"name":"Department of Chemistry The University of Hong Kong  Hong Kong China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shiwei","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Chemistry The University of Hong Kong  Hong Kong China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Donghao","family":"Cui","sequence":"additional","affiliation":[{"name":"Department of Chemistry The University of Hong Kong  Hong Kong China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Changjin","family":"Wu","sequence":"additional","affiliation":[{"name":"Department of Chemistry The University of Hong Kong  Hong Kong China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pei","family":"Xu","sequence":"additional","affiliation":[{"name":"Department of Chemistry The University of Hong Kong  Hong Kong China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wei","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Materials Science and Engineering Harbin Institute of Technology  Shenzhen Guangdong China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kai","family":"Lou","sequence":"additional","affiliation":[{"name":"Shenzhen Kayja\u2010Optics Technology Co. 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Shenzhen Guangdong China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Binglin","family":"Zeng","sequence":"additional","affiliation":[{"name":"Department of Chemistry The University of Hong Kong  Hong Kong China"},{"name":"HKU\u2010CAS Joint Laboratory on New Materials and Department of Chemistry The University of Hong Kong  HongKong China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0051-148X","authenticated-orcid":false,"given":"Jinyao","family":"Tang","sequence":"additional","affiliation":[{"name":"Department of Chemistry The University of Hong Kong  Hong Kong China"},{"name":"Materials Innovation Institute for Life Sciences and Energy (MILES) HKU\u2010SIRI  Shenzhen China"},{"name":"HKU\u2010CAS Joint Laboratory on New Materials and Department of Chemistry The University of Hong Kong  HongKong 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