Zhang Xian

ORCID: 0000-0003-4903-3009
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About
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Research Areas
  • Traditional Chinese Medicine Analysis
  • Pharmacological Effects of Natural Compounds
  • Analytical Chemistry and Chromatography
  • Phytochemistry and Biological Activities
  • Drug Transport and Resistance Mechanisms
  • Mycotoxins in Agriculture and Food
  • Pesticide Residue Analysis and Safety
  • Plant-based Medicinal Research
  • Phytochemicals and Antioxidant Activities
  • Healthcare and Venom Research
  • Antibiotics Pharmacokinetics and Efficacy
  • Berberine and alkaloids research
  • Free Radicals and Antioxidants
  • Synthesis of Organic Compounds
  • Microscopic Colitis
  • Microbial infections and disease research
  • Advanced Drug Delivery Systems
  • Pharmacological Effects and Assays
  • Ginger and Zingiberaceae research
  • Carbohydrate Chemistry and Synthesis
  • Drug Solubulity and Delivery Systems
  • Traditional Chinese Medicine Studies
  • Insect and Pesticide Research
  • Chromatography in Natural Products
  • Cervical Cancer and HPV Research

Jiangxi University of Traditional Chinese Medicine
2024

Sichuan University
2022

Institute of Quality Standards and Testing Technology for Agro Products
2020

Hubei Academy of Agricultural Sciences
2020

Nanjing University of Chinese Medicine
2018

Zhejiang A & F University
2018

Beijing Academy of Food Sciences
2014

Anhui University
2014

Guangxi University
2012

China Pharmaceutical University
2012

For the first time, a novel, simple and reliable method for analysis of pymetrozine residues in flue-cured tobacco leaves has been developed utilizing HPLC-UV with liquid-liquid partition cleanup. Pre-treatment ultrasonic extraction procedures gave preferable baseline separation clean chromatograms by removing water-soluble fat-soluble components which interfere test. The performance was evaluated validated: detection limit (LOD) 0.005 microg x mL(-1), relative standard deviation (RSD) 1.2%...

10.1002/adic.200790015 article EN Annali di Chimica 2007-04-01

A novel chemiluminescence (CL) system was established for the determination of diammonium glycyrrhizinate (DG) in pharmaceutical preparations and its ability scavenging hydroxyl radical. It shown that a strong CL signal observed when Eosin Y mixed with Fenton reagent. The intensity decreased significantly DG added to reaction partially scavenged radicals solution. extent decrease had good stoichiometrical relationship concentration. Based on this, we developed new method using flow injection...

10.1080/00032719.2012.680055 article EN Analytical Letters 2012-09-15

This study utilized ultra-performance liquid chromatography coupled with quadrupole-time-of-flight mass spectrometry(UPLC-Q-TOF-MS) to rapidly analyze and identify the chemical constituents in five processed products of Strychni Semen(raw, sand-roasted, fried, urine-soaked, vinegar-processed products). Using PeakView software extract compound information, 50 components were identified based on retention time, accurate molecular ion peaks, secondary spectrometry data, comparison reference...

10.19540/j.cnki.cjcmm.20240809.301 article EN PubMed 2024-11-01

To develop an accurate and precise detection method to screen Ochratoxin A (OTA) contaminants for food safety concerns, a lateral-flow immunochromatographic assay OTA was developed using colloidal nanoparticles, monoclonal antibodies, the OTA-BSA (bovine serum albumin) conjugate. The test strip treated with PBS negative control standard samples (ranging from 1 10 gL-1) measurement, 4 replications. Results over entire growth period showed that (1) optimized concentration of 4.8 gL-1 goat-anti...

10.11833/j.issn.2095-0756.2016.03.023 article EN 浙江农林大学学报 2016-06-20

ABSTRACT RNAs can be imaged in living cells using molecular beacons, RNA-binding labeled proteins and RNA aptamer-based approaches. However, Spinach RNA-mimicking GFP (RMG) has not been successfully used to monitor cellular plants. In this study, we re-evaluated Spinach-based visualization different plants via transient, transgenic, virus-based expression strategies. We found that like bacterial, yeast human tRNAs, plant tRNAs such as tRNA Lys (K) protect and/or stabilize the spinach aptamer...

10.1101/2020.09.24.310607 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2020-09-25

Abstract This study focused on developing an effective and environmentally friendly method to measure ligustrazine in rat serum by using polymer monolith micro-extraction (PMME) technique. A poly (methacrylic acid-ethylene glycol dimethacrylate) material was used extract through hydrophobic ion-exchange interaction. Qualitative quantitative analysis performed a liquid chromatography tandem mass spectrometry. After optimization of several PMME conditions, the developed exhibited excellent...

10.1556/1326.2020.00811 article EN Acta Chromatographica 2020-09-19

Background: Psychiatric disorders are associated with a number of chronic health conditions, including cancer. However, data on the association between multiple types psychiatric and colorectal cancer (CRC) scarce. The aim present study was to determine whether there is an subsequent CRC using UK Biobank.Methods We excluded participants who had previous diagnosis (except non-melanoma skin cancer) prior baseline, conducted matched cohort new-onset disorder patients after recruitment as...

10.2139/ssrn.4309609 article EN SSRN Electronic Journal 2022-01-01
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