Results 31 to 40 of about 3,799,494 (356)

Liquid chromatography and liquid chromatography-mass spectrometry analysis of donepezil degradation products [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2015
This study describes the investigation of degradation products of donepezil (DP) using stability indicating RP-HPLC method for determination of donepezil, which is a centrally acting reversible acetylcholinesterase inhibitor.
Mladenović Aleksandar R.   +6 more
doaj   +1 more source

Modeling a pesticide remediation strategy for preparative liquid chromatography using high-performance liquid chromatography

open access: yesJournal of Cannabis Research, 2023
Background Cannabis sativa L. also known as industrial hemp, is primarily cultivated as source material for cannabinoids cannabidiol (CBD) and ∆9-tetrahydrocannabinol (∆9-THC). Pesticide contamination during plant growth is a common issue in the cannabis
Jamie Cuchiaro   +2 more
doaj   +1 more source

Retention Time Prediction for Chromatographic Enantioseparation by Quantile Geometry-enhanced Graph Neural Network [PDF]

open access: yes, 2022
A new research framework is proposed to incorporate machine learning techniques into the field of experimental chemistry to facilitate chromatographic enantioseparation. A documentary dataset of chiral molecular retention times (CMRT dataset) in high-performance liquid chromatography is established to handle the challenge of data acquisition.
arxiv   +1 more source

A Systematic Review of the Protective Actions of Cat’s Whiskers (Misai Kucing) on the Central Nervous System

open access: yesFrontiers in Pharmacology, 2020
Orthosiphon stamineus (OS) or Orthosiphon aristatus var. aristatus (OAA) is commonly known as cat’s whiskers or “misai kucing”. It is an herbaceous shrub that is popular in many different traditional and complementary medicinal systems.
Yin-Sir Chung   +7 more
doaj   +1 more source

Precise Measurement of the G+C Content of Deoxyribonucleic Acid by High-Performance Liquid Chromatography

open access: yes, 1989
High-performance liquid chromatography is a promising alternative for determining the G+C content of bacterial deoxyribonucleic acid (DNA). The method which we evaluated involves enzymatic degradation of the DNA to nucleosides by P1 nuclease and bovine ...
M. Mesbah, U. Premachandran, W. Whitman
semanticscholar   +1 more source

A liquid chromatography tandem mass spectrometry method for simultaneous analysis of 46 atmospheric particulate-phase persistent organic pollutants and comparison with gas chromatography/mass spectrometry, [PDF]

open access: yes, 2017
A novel multi-analyte method for the simultaneous determination of 46 compounds of environmental concern, most of them belonging to the category of persistent organic pollutants, was developed using high-performance liquid chromatography and the results ...
Bartocci, Martina   +4 more
core   +2 more sources

Study of Histamine Detection using Liquid Chromatography and Gas Chromatography

open access: yesASM Science Journal, 2021
Histamine is a heterocyclic amine shaped by decarboxylation of the histidine. It is a compound that lack chromophore and involatile. However, the detection of histamine is imperative due to the characteristic of histamine has given several disadvantages ...
Muhammad Abdurrahman Munir   +3 more
doaj   +1 more source

Liquid chromatography on chip [PDF]

open access: yesELECTROPHORESIS, 2010
AbstractLC is one of the most powerful separation techniques as illustrated by its leading role in analytical sciences through both academic and industrial communities. Its implementation in microsystems appears to be crucial in the development of μ‐Total Analysis System.
openaire   +5 more sources

Current developments in LC-MS for pharmaceutical analysis [PDF]

open access: yes, 2002
The current developments in liquid chromatography-mass spectrometry (LC-MS) and its applications to the analysis of pharmaceuticals are reviewed. Various mass spectrometric techniques, including electrospray and nanospray ionization, atmospheric pressure
Lim, Chang-Kee, Lord, Gwyn A.
core   +1 more source

Malaysian Cobra Venom: A Potential Source of Anti-Cancer Therapeutic Agents

open access: yesToxins, 2019
Cancer is a deadly disease and there is an urgent need for the development of effective and safe therapeutic agents to treat it. Snake venom is a complex mixture of bioactive proteins that represents an attractive source of novel and naturally-derived ...
Syafiq Asnawi Zainal Abidin   +3 more
doaj   +1 more source

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