Our news journalists obtained a quote from the research from Virginia Tech, "Herein we report a method to produce a series of suspensions of MGITC functdonalized gold nanoparticles (MGITC-AuNPs) that at one extreme consist primarily of monomers and at the other extreme as mixtures of multimers and monomers. Monomer and multimer morphologies were characterized by scanning electron microscopy and atomic force microscopy using a reliable spin-coating deposition sampling method. The multimers generally include 2, 3, or 4 individual AuNPs with an average number of 3 +/- 1. The number of multimers produced in a given suspension was found to be dependent on the volume and concentration of MGITC initially applied. The surface binding of MGITC to both monomeric and multimeric MGITC-AuNPs was investigated by Raman and SERS, and the degree of aggregation in the multimer suspension was evaluated based upon the measured variation of the MGITC SERS intensity of the AuNPs."
According to the news editors, the research concluded: "Using an estimated extinction coefficient of 1.22 +/- 0.41 x 10(11) cm(-1) at approximate to 850 nm for the localized surface plasmon resonance (LSPR) band of the MGITC-AuNP multimers, the multimer concentrations were calculated by Beer's Law."
For more information on this research see: MGITC Facilitated Formation of AuNP Multimers. Langmuir, 2014;30(28):8342-8349. Langmuir can be contacted at: Amer Chemical Soc,
The news correspondents report that additional information may be obtained from
Keywords for this news article include: Science,
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Hispanic #1 Breaking News for Entrepreneurs, Professionals and Small Business Owners - HispanicBusiness.com
OCTOBER 31, 2014
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