MTBSTFA

AcronymDefinition
MTBSTFAN-Methyl-N- (Tert-Butyldimethylsilyl)trifluoroacetamide (derivatization reagent)
References in periodicals archive ?
4] Nonstandard abbreviations: MAMP, methamphetamine; AMP, amphetamine; MDMA, 3,4-methylenedioxymethamphetamine; MDA, 3,4-methylenedioxyamphetamine; LOQ, limit of quantification; SAMHSA, Substance Abuse and Mental Health Services Administration; BSTFA, N,O-bis(trimethylsilyl)trifluoroacetamide; MTBSTFA, N-methyl-N-(tert-butyldimethylsilyl)trifluoroacetamide; TBDMCS, tert-butyldimethylchlorosilane; SPE, solid-phase extraction.
3] Nonstandard abbreviations: COC, cocaine; SAMHSA, Substance Abuse and Mental Health Services Administration; BE, benzoylecgonine; NIDA, National Institute on Drug Abuse; EME, ecgonine methyl ester; BSTFA, N,O-bis(trimethyl)trifluoroacetamide; TMCS, trimethylchlorosllane; MTBSTFA, N-methyl-N-(tert-butyldimethylsilyl)trifluoroacetamide; TBDMCS, tertbutyldimethylchlorosllane; and LOQ, limit of quantification.
4) Nonstandard abbreviations: METH, methamphetamine; pOH-METH, p-hydroxymethamphetamine; AMP, amphetamine; pOH-AMP, p-hydroxyamphetamine; TDM, therapeutic drug monitoring; S-P ratio, oral fluid-plasma ratio; NIDA, National Institute on Drug Abuse; MTBSTFA, N-methyl-N-(tertbutyldimethylsilyl)trifluoroacetamide; TBDMS, tert-butyldimethylsilyl; TMS, trimethylsilyl; LOD, limit of detection; LOQ, limit of quantification; AUCo, t, area under the curve from the time of dosing to the time of the last observation (24 h); and SAMHSA, Substance Abuse and Mental Health Services Administration.
Addition of MTBSTFA to samples after SPE and before evaporation was found to greatly reduce volatility losses of the amphetamines.
4] Nonstandard abbreviations: MAMP, D-methamphetamine; SAMHSA, Substance Abuse and Mental Health Services Administration; AMP, D-amphetamine; GC-MS, gas chromatography-mass spectrometry; BSTFA, N,O-bis(trimethyl)trifluoroacetamide; TMCS, trimethylchlorosilane; MTBSTFA, N-methyl-N-(tert-butyldimethylsilyl)trifluoroacetamide; TBDMCS, tert-butyldimethylchlorosilane; SPE, solid-phase extraction; PCI, positive chemical ionization; NIDA, National Institute on Drug Abuse; TMS, trimethylsilyl; TBDMS, tert-butyldimethylsilyl; and LOQ, limits of quantification.
4] Nonstandard abbreviations: SAMHSA, Substance Abuse and Mental Health Services Administration; BSTFA, NO-bis(trimethyl)trifluoroacetamide; TMCS, trimethylchlorosilane; MTBSTFA, N-methyl-N-(tert-butyldimethylsilyl)-trifluoroacetamide; TBDMCS, tert-butyldimethylchlorosilane; SPE, solid-phase extraction; GC-MS, gas chromatography-mass spectrometry; LOD, limit of detection; LOQ, limit of quantification; S/P, oral fluid/plasma; [c.
3]]]methylecgonine; DMF, dimethylformamide; DMF-DPA, DMF dipropyl acetal; SPE, solid-phase extraction; BSTFA, bis(trimethylsilyl)trifluoroacetamide; MTBSTFA, N-methyl-N-(tert-butyldimethylsilyl)trifluoroacetamide; TBDMCS, tert-butyldimethylchlorosilane; GC-MS, gas chromatography mass spectrometry; [d.
Only a single derivative was observed for each fatty acid or 3OHFA when a mixture of MTBSTFA and MBTFA was allowed to react.
5] Nonstandard abbreviations: EQAS, external quality-assessment scheme; ID GC-MS, isotope dilution gas chromatography mass spectrometry; SRM, Standard Reference Material; and MTBSTFA, N-methyl-N-(tent-butyldimethylsilyl)-trifluoroacetamide.