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dc.contributor.authorYe, Ting-xiu
dc.contributor.authorDu, Yan-yan
dc.contributor.authorHe, Chun-yan
dc.contributor.authorQiu, Bin
dc.contributor.authorWang, Yi-ru
dc.contributor.authorChen, Xi
dc.contributor.author陈曦
dc.date.accessioned2013-04-15T07:06:03Z
dc.date.available2013-04-15T07:06:03Z
dc.date.issued2012-04
dc.identifier.citationANALYTICAL METHODS,2012,4(4):1001-1004zh_CN
dc.identifier.issn1759-9660
dc.identifier.urihttp://dx.doi.org/10.1039/c2ay25073j
dc.identifier.uriWOS:000302175700019
dc.identifier.urihttps://dspace.xmu.edu.cn/handle/2288/15623
dc.description.abstractCore-shell silica particles encapsulating two luminescent dyes with different emission wavelengths were prepared for ratiometric fluorescence sensing of pH. The composite core-shell structure particles contained a polyacrylonitrile (PAN) core surrounding a silica shell. Fluorescein isothiocyanate (FITC) encapsulated in the silica shell was taken as an indicator, Fluorescence emission from Ru(dpp)(3)(ClO4)(2) immobilized in PAN core was used as a reference light. The ratiometric fluorescence signal from the core-shell silica particles were found with a linear range from pH 5.80 to 7.50 (R-2 = 0.997). In addition, the morphology of the core-shell silica particles, the effects of temperature and co-existing substances were investigated. The core-shell silica particles were successfully applied to determination of pH value in water and urine samples.zh_CN
dc.description.sponsorshipNational Natural Scientific Foundation of China [20975085, 21175112]zh_CN
dc.language.isoenzh_CN
dc.publisherROYAL SOC CHEMISTRYzh_CN
dc.subjectSINGLE LIVING CELLSzh_CN
dc.subjectOPTICAL NANOSENSORSzh_CN
dc.subjectCHEMICAL-ANALYSISzh_CN
dc.subjectPEBBLE SENSORSzh_CN
dc.subjectSENSITIVE DYEzh_CN
dc.subjectPOLYMERIZATIONzh_CN
dc.subjectNANOPARTICLESzh_CN
dc.titlePreparation of novel core-shell silica particles for pH sensing using ratiometric fluorescence approachzh_CN
dc.typeArticlezh_CN


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