Silica, SERS and Salmonella

Silica, SERS and Salmonella

Author: David Bradley

Salmonella is one of a clutch of common pathogens that have a key impact on public health. It can be transmitted through raw meats and poor kitchen hygiene and causes serious food poisoning. Effective but easy-to-use detectors for the microbe are keenly sought.

By attaching a silica-encapsulated nanoprobe for surface-enhanced Raman spectroscopy (SERS) to the tailspike protein of a virus that infects bacteria, researchers at the National Research Council, Canada, and National Chung Cheng University, China, have devised a highly specific detector for rapid screening, detection and identification of the pathogenic Salmonella bacteria.

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