期刊
JOURNAL OF PHYSICAL CHEMISTRY B
卷 109, 期 18, 页码 8701-8706出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp046016j
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资金
- NCRR NIH HHS [P41 RR008119-13, P41 RR008119, P41 RR008119-14, RR-08119] Funding Source: Medline
- NHGRI NIH HHS [R01 HG002655-05, R01 HG002655, R01 HG002655-06, R01 HG002655-03, HG02655, R01 HG002655-04A1] Funding Source: Medline
Tiopronin-coated silver particles (average diameters of core = 1.6 nm) were prepared by a modified Brust method, and the ligands on the metal core were partially displaced by (2-mercapto-propionylamino) acetic acid-2,5-dioxo-pyrrolidin-1-ylester through ligand exchanges. The particles were bound on amine-pendent polymer backbones by condensation to generate compact aggregates of particles. The aggregated particles displayed a plasmon absorbance rising at 440 nm. Luminescence was enhanced to about 2 times with increasing the plasmon rising by the particle aggregation upon excitation at 400 nm when the polymer was labeled by 3,8-diamino-6-phenyl-phenanthridine.
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