全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Mir Ali Farajzadeh , Mehri Bakhshizadeh Aghdam , Mohammad Reza Afshar Mogaddam ...
来源:[J].Journal of the Iranian Chemical Society(IF 1.467), 2019, Vol.16 (10), pp.2187-2196Springer
摘要:Abstract(#br)An air-assisted liquid–liquid microextraction method using of an extraction solvent (less dense than water) has been proposed for simultaneous derivatization and extraction of some p -hydroxybenzoic acid esters (parabens) in different samples before their determ...
作者:Chiung-Wen Hu , Yuan-Jhe Chang , Jian-Lian Chen ...
来源:[J].Molecules(IF 2.428), 2018, Vol.23 (3)DOAJ
摘要:... Here, we present an online solid-phase extraction (SPE) LC-MS/MS method with 6-methoxy-2-naphthyl glyoxal hydrate (MTNG) derivatization for a sensitive and precise measurement of 8-nitroG in DNA. Derivatization optimization revealed that an excess of MTNG is required to achie...
作者:Mir Ali Farajzadeh , Elnaz Marzi Khosrowshahi , Leila Khoshmaram
来源:[J].Journal of the Iranian Chemical Society(IF 1.467), 2015, Vol.12 (6), pp.1061-1069Springer
摘要:Abstract(#br)In this study, a simple, rapid, and an economical method has been proposed for the extraction, preconcentration, and determination of parabens (methyl-, ethyl-, and propylparaben) in different samples based on derivatization by acetic anhydride and preconcentratio...
作者:XiaoQiang Qiao , Yuan Zhou , ChunYan Hou ...
来源:[J].Science China Life Sciences(IF 2.024), 2013, Vol.56 (3), pp.240-245Springer
摘要:Abstract(#br)The cationic reagent 1-(3-aminopropyl)-3-butylimidazolium bromide (BAPI) was exploited for the derivatization of carboxyl groups on peptides. Nearly 100% derivatization efficiency was achieved with the synthetic peptide RVYVHPI (RI-7). Furthermore, the peptide deriva...
作者:Ali Mehdinia , Simindokht Rostami , Sahar Dadkhah ...
来源:[J].Journal of the Iranian Chemical Society(IF 1.467), 2017, Vol.14 (10), pp.2135-2142Springer
摘要:... A simple precolumn derivatization procedure combined with high-performance liquid chromatography–fluorescence detection was developed for simultaneous determination of homotaurine and taurine in marine macro-algae. The analytes were derivated with o-phthalaldehyde at an am...
作者:Mir Ali Farajzadeh , Hassan Nasrollahpour , Mohammad Reza Afshar Mogaddam ...
来源:[J].Journal of the Iranian Chemical Society(IF 1.467), 2016, Vol.13 (2), pp.289-298Springer
摘要:Abstract(#br)A sensitive and reliable method for the extraction, preconcentration, and determination of non-steroidal acidic anti-inflammatory drugs (ibuprofen, naproxen, and diclofenac) from biological samples has been developed using simultaneous derivatization and air-assist...
作者:Kamila Borowczyk , Patrycja Olejarz , Adrianna Kamińska ...
来源:[J].International Journal of Molecular Sciences(IF 2.464), 2019, Vol.20 (13)DOAJ
摘要:... (2) The assay is based on reversed phase high performance liquid chromatography with spectrofluorimetric detection and on-column derivatization. Butylamine and o -phthaldialdehyde have been used as derivatization reagents. Since o -phthaldialdehyde constitutes a part of t...
作者:Ali Sarafraz Yazdi , Samaneh Raouf Yazdinezhad , Jeyran Akhoundzadeh
来源:[J].Journal of the Iranian Chemical Society(IF 1.467), 2013, Vol.10 (4), pp.643-651Springer
摘要:Abstract(#br)A simple, low-cost and sensitive method is demonstrated for derivatization and extraction of iodine from milk samples using hollow fiber liquid-phase microextraction (HF-LPME) and gas chromatography-electron capture detection. Iodide ions are converted to iodine u...
作者:Marc Kostag , Kerstin Jedvert , Christian Achtel ...
来源:[J].Molecules(IF 2.428), 2018, Vol.23 (3)DOAJ
摘要:... The objective of the present review is to show the advantages of using quaternary ammonium electrolytes, QAEs, including salts of super bases, as solvents for cellulose dissolution, shaping, and derivatization, and as a result, increase the interest in further investigation...
作者:Grażyna Wejnerowska
来源:[J].Chromatographia(IF 1.437), 2017, Vol.80 (7), pp.1115-1120Springer
摘要:... To lower limits of detection, derivatization of VFAs by N -methyl- N -( tert -butyldimethylsilyl)trifluoroacetamide (MTBSTFA) was performed. The method developed requires very short time of extraction and derivatization (13 min) and it is characterized by a good precision (...

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