Search Results - "Zhao, Xianen"
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An amperometric sensor for the determination of benzophenone in food packaging materials based on the electropolymerized molecularly imprinted poly-o-phenylenediamine film
Published in Talanta (Oxford) (15-09-2012)“…Benzophenone is one of the most commonly used photoinitiators of UV-cured inks on food packaging materials and can migrate into foodstuffs. In this study, an…”
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2
A sensitive and efficient method for determination of N-acetylhexosamines and N-acetylneuraminic acid in breast milk and milk-based products by high-performance liquid chromatography via UV detection and mass spectrometry identification
Published in Journal of chromatography. B, Analytical technologies in the biomedical and life sciences (01-02-2016)“…•A HPLC-UV method for determination of GlcNAc, GalNAc and Neu5Ac.•Parameters affecting liberation of N-acetylhexosamines from samples were optimized.•The…”
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3
A developed pre-column derivatization method for the determination of free fatty acids in edible oils by reversed-phase HPLC with fluorescence detection and its application to Lycium barbarum seed oil
Published in Food chemistry (2011)“…► A precise HPLC method for free fatty acid analysis in edible oil has been developed. ► This pre-column derivatization method offered the exciting LOD of…”
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4
Development of ultrasonic-assisted closed in-syringe extraction and derivatization for the determination of labile abietic acid and dehydroabietic acid in cosmetics
Published in Journal of Chromatography A (05-12-2014)“…•More reasonable, efficient, and convenient pretreatment for labile analytes.•Pretreatment improved not only the sensitivity but also the stability of the…”
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5
Analysis of primary aromatic amines using precolumn derivatization by HPLC fluorescence detection and online MS identification
Published in Journal of separation science (01-03-2008)“…2-(2-Phenyl-1H-phenanthro-[9,10-d]imidazole-1-yl)-acetic acid (PPIA) and 2-(9-acridone)-acetic acid (AAA), two novel precolumn fluorescent derivatization…”
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6
Determination of long-chain fatty acids in bryophyte plants extracts by HPLC with fluorescence detection and identification with MS
Published in Journal of chromatography. B, Analytical technologies in the biomedical and life sciences (01-04-2007)“…A sensitive method for the determination of long-chain fatty acids (LCFAs) (>C20) using 1-[2-(…”
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7
Ratiometric fluorescence detection of bleomycin based on proximity-dependent fluorescence conversion of DNA-templated silver nanoclusters
Published in Chinese chemical letters (01-02-2021)“…A novel ratiometric strategy was designed for sensitive detection of BLM with proximity-dependent fluorescence transformation of DNA-AgNCs via DNA scission for…”
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Extraction of Nitraria tangutorum seed oil by supercritical carbon dioxide and determination of free fatty acids by HPLC/APCI/MS with fluorescence detection
Published in Separation and purification technology (15-09-2007)“…The seed oil from Nitraria tangutorum samples was obtained by supercritical carbon dioxide extraction methods. The extraction parameters for this methodology,…”
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LC Determination of Amino Acids in Rat Plasma with Fluorescence Detection: Application to Exercise Physiology
Published in Chromatographia (2008)“…An LC method for the determination of 20 amino acids (AAs), using 1,2-Benzo-3,4-dihydrocarbazole-9-ethyl chloroformate (BCEOC) as fluorescent labeling reagent,…”
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Determination of amines using 2-(11 H-benzo[a]carbazol-11-yl) ethyl chloroformate (BCEC-Cl) as labeling reagent by HPLC with fluorescence detection and identification with APCI/MS
Published in Talanta (Oxford) (15-05-2007)“…A pre-column derivatization method for the sensitive determination of amines using a labeling reagent 2-(11 H-benzo[a]-carbazol-11-yl) ethyl chloroformate…”
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11
Determination of Free Fatty Acids in Bryophyte Plants and Soil by HPLC with Fluorescence Detection and Identification by Online MS
Published in Chromatographia (01-08-2007)“…A method for the determination of long and short chain free fatty acids (FFAs), using…”
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12
Determination of 30 Free Fatty Acids in Two Famous Tibetan Medicines by HPLC with Fluorescence Detection and Mass Spectrometric Identification
Published in Chromatographia (01-04-2007)“…A simple and sensitive high-performance liquid chromatographic (HPLC) method with fluorescence detection and mass spectrometric identification has been…”
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13
Analysis of Carbohydrates in a Tibetan Medicine Using New Labeling Reagent, 1-(2-Naphthyl)-3-Methyl-5-Pyrazolone, by HPLC with DAD Detection and ESI-MS Identification
Published in Journal of liquid chromatography & related technologies (03-09-2008)“…A new labeling reagent, 1-(2-naphthyl)-3-methyl-5-pyrazolone (NMP), coupling with liquid chromatography (LC) with electrospray ionization mass spectrometry…”
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14
Determination of Aliphatic Amines from Soil and Wastewater of a Paper Mill by Pre-Column Derivatization using HPLC and Tandem Mass Spectrometry (HPLC-MS/MS)
Published in Journal of liquid chromatography & related technologies (01-01-2007)“…A pre-column derivatization method for the sensitive determination of aliphatic amines using the labeling reagent 1,2-benzo-3,4-dihydrocarbazole-9-ethyl…”
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15
Enhancement of atmospheric pressure chemical ionization for the determination of free and glycine-conjugated bile acids in human serum
Published in Journal of separation science (01-12-2006)“…A highly sensitive and accurate method based on the precolumn derivatization of bile acids (BA) with a high ionization efficiency labeling reagent…”
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16
Direct and indirect fluorescent detection of tetracyclines using dually emitting carbon dots
Published in Mikrochimica acta (1966) (01-09-2016)“…The authors describe dual-emission carbon nanodots containing blue emitters (BE; peak emission at 385nm under 315 nm excitation) and yellow emitters (YE; peak…”
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A novel dual-ratiometric-response fluorescent probe for SO2 /ClO− detection in cells and in vivo and its application in exploring the dichotomous role of SO2 under the ClO− induced oxidative stress
Published in Biomaterials (01-07-2017)“…Abstract Intracellular reactive sulfur species and reactive oxygen species play vital roles in immunologic mechanism. As an emerging signal transmitter, SO2…”
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18
Generalized One-Pot Strategy Enabling Different Surface Functionalizations of Carbon Nanodots to Produce Dual Emissions in Alcohol–Water Binary Systems
Published in Journal of physical chemistry. C (06-08-2015)“…Fluorescent dual-emission carbon nanodots (DECNDs), which contained two different emitters, the blue emitters (λex = 315 nm, λem = 386 nm) and the yellow…”
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2-(2-Phenyl-1 H-phenanthro-[9,10- d]imidazole-1-yl)-acetic acid (PPIA) and its application for determination of amines by high performance liquid chromatography with fluorescence detection and identification with mass spectroscopy/atmospheric pressure chemical ionization
Published in Analytica chimica acta (21-04-2006)“…A simple, sensitive, and mild method for the determination of amino compounds based on a condensation reaction with…”
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Pre-column derivatization of amines with 1,2-benzo-3,4-dihydrocarbazole- 9-isopropyl chloroformate followed by LC-fluorescence and LC-APCI-MS
Published in Chromatographia (01-04-2006)“…A pre-column derivatization method for the sensitive determination of amines using the labeling reagent 1,2-benzo-3,4-dihydrocarbazole-9-isopropyl…”
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