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Near-infrared diffuse reflectance spectroscopy (NIRDRS) has been proved to be a convenient and fast quantitative method for complex samples. The sensitivity or the detection limit, however, has been the obstacle in practical uses, although great efforts have been made through experimental and chemometric approaches. Due to the strong reflectivity of silver in near–infrared region, a novel method that...
Enrichment technique has been proved to be an efficient way to make the near-infrared diffuse reflectance spectroscopy(NIRDRS) suitable for micro analysis. However, low selectivity presented by conventional enrichment methods makes the quantitative analysis easy to be affected by the coexisting components. In this study, a specific enrichment method with chemical bonding via thiol-maleimide click...
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