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Cited by 4 publications
(7 citation statements)
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“…For a quantitative approach in the analysis of small molecules by MALDI-HRMS, normalization of the analytical signal by an appropriate internal standard is highly recommended. 11,18,19 In this work, bismuth and indium were selected for this purpose with the intent to compensate for errors committed during sample preparation and during signal acquisition; indeed, both metal ions form complexes with diethyldithiocarbamates that can be extracted into chloroform at neutral pH, 29 and none of them was detected by ICP-MS while analyzing commercial tequilas.…”
Section: Resultsmentioning
confidence: 99%
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“…For a quantitative approach in the analysis of small molecules by MALDI-HRMS, normalization of the analytical signal by an appropriate internal standard is highly recommended. 11,18,19 In this work, bismuth and indium were selected for this purpose with the intent to compensate for errors committed during sample preparation and during signal acquisition; indeed, both metal ions form complexes with diethyldithiocarbamates that can be extracted into chloroform at neutral pH, 29 and none of them was detected by ICP-MS while analyzing commercial tequilas.…”
Section: Resultsmentioning
confidence: 99%
“…Two criteria were applied while setting experimental and instrument conditions: (i) homogeneity of sample co-crystallization with matrix and (ii) as high as possible signal-to-noise (S/N) ratio. In accord with general recommendations 11 and based on our previous study, 19 α-cyano-4-hydroxycinnamic acid was selected as the chemical matrix. HCCA concentration of 1.25 mg mL −1 was selected and it was decided to apply the peak area as the analytical signal mode because of the higher S/N ratios obtained for both elements as compared with the peak height measurements.…”
Section: Selection Of Maldi-tofms Parametersmentioning
confidence: 99%
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