Direct SERS detection of contaminants in a complex mixture: rapid, single step screening for melamine in liquid infant formula

Melamine can be detected in infant formula without the need for additional sample preparation or purification using a simple galvanic displacement reaction to fabricate portable silver SERS substrates. The reaction is rapid, inexpensive, and robust enough to perform well on highly heterogeneous comm...

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Veröffentlicht in:	Analyst (London) 2012-02, Vol.137 (4), p.826-828
Hauptverfasser:	BETZ, Jordan F, YI CHENG, RUBLOFF, Gary W
Format:	Artikel
Sprache:	eng
Schlagworte:	Analytical chemistry Chemistry Contaminants Displacement Exact sciences and technology Food Contamination - analysis Humans Infant Infant Formula - chemistry Infant, Newborn Infants Liquids Melamine Purification Screening Silver Compounds Spectrometric and optical methods Spectrum Analysis, Raman - methods Triazines - analysis
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Beschreibung
Zusammenfassung:	Melamine can be detected in infant formula without the need for additional sample preparation or purification using a simple galvanic displacement reaction to fabricate portable silver SERS substrates. The reaction is rapid, inexpensive, and robust enough to perform well on highly heterogeneous common metal objects such as tape and coins.
ISSN:	0003-2654 1364-5528
DOI:	10.1039/c2an15846a