Issue 4, 2000
From the journal:

PhysChemComm

Size discrimination of colloidal nanoparticles by thiol-functionalized MCM-41 mesoporous molecular sieves

Priyabrata Mukherjee,   Murali Sastry  and  Rajiv Kumar  

Abstract

Thiol-functionalized MCM-41 mesoporous materials with a well-defined pore size of 40 Å may be used to discriminate between colloidal gold and silver particles in a mixture. More specifically, the thiol-functionalized MCM-41 material selectively entraps colloidal gold particles (size 35 Å) in the pores from a mixture of the gold and silver particles of size 70 Å. The gold particles are held in the matrix via thiolate linkages and this process has been studied using UV-vis spectroscopy and thermogravimetry/differential thermal analysis. This approach is promising for application in bioseparation methodologies as well as in the generation of one-dimensional superstructure assemblies

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Article information

DOI
https://doi.org/10.1039/B002419H
Article type
Paper

PhysChemComm, 2000,3, 15-17

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Size discrimination of colloidal nanoparticles by thiol-functionalized MCM-41 mesoporous molecular sieves

P. Mukherjee, M. Sastry and R. Kumar, PhysChemComm, 2000, 3, 15 DOI: 10.1039/B002419H

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