News Column

Data from Columbia University Advance Knowledge in Nanotechnology

June 9, 2014



By a News Reporter-Staff News Editor at Nanotechnology Business Journal -- Investigators publish new report on Nanotechnology. According to news reporting originating in New York City, New York, by VerticalNews journalists, research stated, "A localised surface plasmon resonance (LSPR) optical sensor with double-layer silver nanoparticle (Ag NP) arrays has been developed for the sensitive detection of concanavalin A (ConA)."

The news reporters obtained a quote from the research from Columbia University, "Based on the principle of carbohydrate-protein interactions, double-layer dextran capped Ag NP arrays were initially constructed. The increase of adsorption apparent mass and LSPR coupling between the two Ag NP arrays can effectively enhance the LSPR spectral shift response."

According to the news reporters, the research concluded: "Compared with the single-layer Ag NP arrays configuration, the double-layer Ag NP arrays configuration improves the limitation of detection of ConA concentration from 3.42 to similar to 1.14 mu g/ml."

For more information on this research see: Double-layer silver nanoparticle arrays-based localised surface plasmon resonance optical sensor for sensitive detection of concanavalin A. Micro & Nano Letters, 2014;9(4):294-296. Micro & Nano Letters can be contacted at: Inst Engineering Technology-Iet, Michael Faraday House Six Hills Way Stevenage, Hertford SG1 2AY, England.

Our news correspondents report that additional information may be obtained by contacting W.X. Ye, Columbia University, Dept. of Mech Engn, New York, NY 10027, United States. Additional authors for this research include W. Zhang, C. Wang, W.B. Li, H.W. Yu and G.H. Liu.

Keywords for this news article include: New York City, United States, Nanotechnology, North and Central America

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Source: Nanotechnology Business Journal