Direct Combination of Single Drop Microextraction with AP-MALDI-MS 284.5 304.3 368.5 466.7...
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Direct Combination of Single Drop Microextraction with AP- MALDI-MS 284.5 304.3 368.5 466.7 Quantitative Determination of Cationic Surfactants from River and Municipal Waste Water Rapid Screening of Low Molecular Drugs from Urine samples fo r and Kamlesh Shrivas and Hui-Fen Wu* Department of Chemistry, ional Sun Yat-Sen University, Kaohsiung, 804, Taiwa *Corresponding author. Phone: 886-7-5252000-3955. •Fax: 886-7-525-3908. E-mail: [email protected].
Direct Combination of Single Drop Microextraction with AP-MALDI-MS 284.5 304.3 368.5 466.7 Quantitative Determination of Cationic Surfactants from River
Direct Combination of Single Drop Microextraction with
AP-MALDI-MS 284.5 304.3 368.5 466.7 Quantitative Determination of
Cationic Surfactants from River and Municipal Waste Water Rapid
Screening of Low Molecular Drugs from Urine samples for and Kamlesh
Shrivas and Hui-Fen Wu* Department of Chemistry, National Sun
Yat-Sen University, Kaohsiung, 804, Taiwan *Corresponding author.
Phone: 886-7-5252000-3955. Fax: 886-7-525-3908. E-mail:
[email protected]@mail.nsysu.edu.tw
Slide 2
Present work reports the development of a new analytical
procedure for simple and rapid screening of low molecular weight
drugs (
Slide 3
The RSD and LOD of the method in urine sample were 8.2- 14% and
0.3-1.6 M respectively SDME was compared with liquid-liquid
extraction (LLE) and hollow fiber-liquid phase microextraction
technique to know compatibility of the present method in the
extraction of drugs from urine sample. Thus, MTOAC as matrix ion
signal suppressor and SDME as analyte separating devise in the
AP-MALDI/MS analysis are shown to provide valuable information with
simple, low cost and rapid screening of low molecular weight drugs
from human urine sample.
Slide 4
Matrix assisted laser desorption/ionisation mass spectrometry
(MALDI/MS) is widely applied in the field of protein,
oligosachharides, polymers and drug analysis. For higher molecular
analysis of organic compounds by MALDI/MS is very successful may be
due signal to noise ratio was negligible. However, analysis of low
molecular compounds (
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