Results 21 to 30 of about 1,557,015 (302)

New Metabolites of Coumarin Detected in Human Urine Using Ultra Performance Liquid Chromatography/Quadrupole-Time-of-Flight Tandem Mass Spectrometry

Molecules, 2017
Coumarin (1,2-benzopyrone) is a natural compound whose metabolism in humans was established in the 1970s. However, a new metabolite was recently identified in human plasma, indicating that the metabolism of coumarin has not been completely elucidated. To
Letícia Paula Leonart, João Cleverson Gasparetto, Flávia Lada Degaut Pontes, Letícia Bonancio Cerqueira, Thais Martins Guimarães de Francisco, Roberto Pontarolo   +5 more
doaj   +1 more source

Quantitative estimation of urinary ortho-cresol by high pressure liquid chromatography for biomonitoring of toluene exposed population

Environmental Disease, 2020
Aim: Quantification of urinary ortho-cresol (OC) by high pressure liquid chromatography coupled with photodiode array detector. Materials and Methods: Includes acid hydrolysis of urine, liquid–liquid extraction, and chromatography quantification of ...
Anupa Yadav, Amit Chakrabarti, Geoffrey Nengzapum   +2 more
doaj   +1 more source

Investigation and prediction of slug flow characteristics in highly viscous liquid and gas flows in horizontal pipes [PDF]

, 2015
Slug flow characteristics in highly viscous liquid and gas flow are studied experimentally in a horizontal pipe with 0.074 m ID and 17 m length. Results of flow regime map, liquid holdup and pressure gradient are discussed and liquid viscosity effects ...
Lao, Liyun, Yeung, H., Zhao, Y.
core   +1 more source

Experimental Investigation of High-Pressure Liquid Ammonia Injection under Non-Flash Boiling and Flash Boiling Conditions

Energies, 2023
Liquid ammonia is an ideal zero-carbon fuel for internal combustion engines. High-pressure injection is a key technology in organizing ammonia combustion. Characteristics of high-pressure liquid ammonia injection is lack of research.
Yuwen Fang, Xiao Ma, Yixiao Zhang, Yanfei Li, Kaiqi Zhang, Changzhao Jiang, Zhi Wang, Shijin Shuai   +7 more
doaj   +1 more source

Compliance of extended infusion of piperacillin/tazobactam with the desired pharmacokinetic/pharmacodynamic index in septic patients [PDF]

Vojnosanitetski Pregled
Background/Aim. Piperacillin (PIP)/tazobactam (TAZ) –PIP/TAZ is a beta-lactam antibiotic used to treat Gram-negative sepsis. The portion of the dosing interval during which antibiotic concentrations are above the minimal inhibitory concentration – MIC ...
Tomić Nataša, Vukmirović Saša, Sabo Stanislav, Uvelin Arsen, Popović Radmila, Vicković Sanja, Tomić Ljiljana, Tomić Zdenko   +7 more
doaj   +1 more source

Compressible Air Entrapment in High-Speed Drop Impacts on Solid Surfaces

, 2012
Using high-speed photography coupled with optical interference, we experimentally study the air entrapment during a liquid drop impacting a solid substrate.
Liu, Yuan, Tan, Peng, Xu, Lei
core   +1 more source

Quince Pomace: A Source of Fiber Products and Polyphenols

Chemistry Proceedings, 2023
Quince fruits are used to make jams, jellies, and juices, resulting in by-products like seeds, pulp, and skin. These by-products contain bioactive compounds such as phenolic acids, flavonoids, and polysaccharides, which offer potential health benefits ...
Luminița Dimitriu, Daniel Preda, Diana Constantinescu-Aruxandei, Florin Oancea   +3 more
doaj   +1 more source

Simulations of splashing high and low viscosity droplets

, 2018
In this work simulations are presented of low viscosity ethanol and high viscosity silicone oil droplets impacting on a dry solid surface at atmospheric and reduced ambient pressure.
Boelens, Arnout M. P., de Pablo, Juan J.
core   +1 more source

Treatment with new organic nitrites in pulmonary hypertension of acute experimental pulmonary embolism

Pharmacology Research & Perspectives, 2019
Acute pulmonary embolism may cause right heart failure due to increased pulmonary vascular resistance and arterial hypoxemia. Effective vasodilator therapy of the pulmonary hypertension is highly needed.
Kristofer F. Nilsson, Lars E. Gustafsson
doaj   +1 more source

Ultrasonic cleaning reduces the residual monomer in acrylic resins

Journal of Dental Sciences, 2016
Background/purpose: The residual monomer remaining in acrylic resin can cause an allergic reaction and is toxic to oral soft tissue. This study determined the effect of the duration of ultrasonic cleaning on the amount of residual methyl methacrylate ...
Taksid Charasseangpaisarn, Chairat Wiwatwarrapan, Nonthida Leklerssiriwong   +2 more
doaj   +1 more source