Silver-coated biopolymer spheres, TEM

Silver-coated biopolymer spheres, TEM

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Credit: JAYA SUNDARAM/US DEPARTMENT OF AGRICULTURE/SCIENCE PHOTO LIBRARY

Caption: Silver-coated biopolymer spheres, transmission electron micrograph (TEM). These spheres are coated (encapsulated) with silver nanoparticles. The spheres form a substrate for surface-enhanced Raman spectroscopy (SERS) detection of food-borne pathogens in food and beverage samples.

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Keywords: biopolymer, biopolymer spheres, black-and-white, coated, cotton, encapsulated, food science, materials science, metal, microbiological, microbiology, microscope, monochrome, nanotechnology, no-one, nobody, sers, silver, silver nanoparticles, silver-coated, spheres, substrate, surface-enhanced raman spectroscopy, tem, transmission electron, transmission electron micrograph

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