{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T05:34:34Z","timestamp":1790573674676,"version":"4.1.0"},"reference-count":56,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2014,4,16]],"date-time":"2014-04-16T00:00:00Z","timestamp":1397606400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["ChemPhysChem"],"published-print":{"date-parts":[[2014,8,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The synthesis of an innovative self\u2010propelled Janus nanomotor with a diameter of about 75 nm that can be used as a drug carrier is described. The Janus nanomotor is based on mesoporous silica nanoparticles (MSNs) with chromium\/platinum metallic caps and propelled by decomposing hydrogen peroxide to generate oxygen as a driving force with speeds up to 20.2 \u03bcm\u2009s<jats:sup>\u22121<\/jats:sup> (about 267 body lengths per second). The diffusion coefficient (<jats:italic>D<\/jats:italic>) of nanomotors with different H<jats:sub>2<\/jats:sub>O<jats:sub>2<\/jats:sub> concentrations is calculated by tracking the movement of individual particles recorded by means of a self\u2010assembled fluorescence microscope and is significantly larger than free Brownian motion. The traction of a single Janus MSN nanomotor is estimated to be about 13.47\u00d710<jats:sup>\u221215<\/jats:sup> N. Finally, intracellular localization and drug release in vitro shows that the amount of Janus MSN nanomotors entering the cells is more than MSNs with same culture time and particle concentrations, meanwhile anticancer drug doxorubicin hydrochloride loaded in Janus MSNs can be slowly released by biodegradation of lipid bilayers in cells.<\/jats:p>","DOI":"10.1002\/cphc.201402111","type":"journal-article","created":{"date-parts":[[2014,4,16]],"date-time":"2014-04-16T15:52:27Z","timestamp":1397663547000},"page":"2255-2260","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":175,"title":["Self\u2010Propelled Janus Mesoporous Silica Nanomotors with Sub\u2010100 nm Diameters for Drug Encapsulation and 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