全部文献期刊会议图书|学者科研项目
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作者:Marwa F.B. Ali , Naoya Kishikawa , Naotaka Kuroda
来源:[J].Journal of Chromatography B(IF 2.487), 2020, Vol.1143
摘要:... however analysis of GA in biological fluid is a challenge and requires chemical derivatization. Hence, a new, highly sensitive, time saving and reproducible pre-column fluorescence derivatization procedure coupled with high performance liquid chromatography (HPLC) method was...
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: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 , 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: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 , 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: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: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:Umut Rende , Totte Niittylä , Thomas Moritz
来源:[J].Plant Methods(IF 2.667), 2019, Vol.15 (1), pp.1Springer
摘要:... Here, we show a two-step derivatization of sugar phosphates by methoxylamine and propionic acid anhydride after chloroform/methanol (3:7) extraction from Populus leaf and developing wood that improves separation, identification and quantification of sugar phosphates by ultr...

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