Results 31 to 40 of about 719,896 (409)

Numerical Simulation of Fluid Dynamics in a Monolithic Column

open access: yesSeparations, 2017
As for the measurement of polycyclic aromatic hydrocarbons (PAHs), ultra-performance liquid chromatography (UPLC) is used for PAH identification and densitometry.
Kazuhiro Yamamoto, Yuuta Tajima
doaj   +1 more source

Analysis of Poly-β-Hydroxybutyrate in Rhizobium japonicum Bacteroids by Ion-Exclusion High-Pressure Liquid Chromatography and UV Detection

open access: yes, 1983
Ion-exclusion high-pressure liquid chromatography (HPLC) was used to measure poly-β-hydroxybutyrate (PHB) in Rhizobium japonicum bacteroids. The products in the acid digest of PHB-containing material were fractionated by HPLC on Aminex HPX-87H ion ...
D. Karr, J. Waters, D. Emerich
semanticscholar   +1 more source

Effects of ropivacaine combined with morphine at 0.15 and 0.2 mg kg-1 in bitches undergoing epidural anesthesia [PDF]

open access: yesActa Cirúrgica Brasileira, 2015
PURPOSE: To investigate cardiorespiratory effects and serum concentration of ropivacaine combined with morphine at different doses.METHODS: Sixteen healthy adult female dogs weighting 9.8±4.1 kg were included in the study.
Verônica Batista de Albuquerque   +6 more
doaj   +2 more sources

Review of High-Speed Countercurrent Chromatography in Separation of Lanthanides and Actinides

open access: yesHe huaxue yu fangshe huaxue, 2022
In the field of radiochemistry, separation of lanthanides and actinides has always been one of the research hotspots. In order to achieve the burnup analysis, the lanthanide and actinide elements in the solution need to be separated.
LI Yu-hao   +6 more
doaj   +1 more source

The influence of endogenous hormones on the formation of buds from stems of bitter melon (Momordıca charantıa L.) [PDF]

open access: yes, 2013
Stems of bitter melon (Momordica charantia L.) cv. Dabai were used to establish in vitro cultures. The endogenous hormone concentrations (indoleacetic acid [IAA], abscisic acid [ABA], gibberellins 3 [GA3], zeatin [ZT]) of the calluses were determined by ...
Li, HX   +5 more
core   +2 more sources

Analysis of ochratoxin A in pig tissues using high pressure liquid chromatography (HPLC) and liquid chromatography tandem mass spectrometry (LC/MS/MS) as confirmative methods [PDF]

open access: yesZbornik Matice Srpske za Prirodne Nauke, 2009
Two different analytical methods for the determination and confirmation of ochratoxin A (OTA) in blood serum, kidney and liver of pigs have been compared. Sample clean-up was based on liquid-liquid phase extraction.
Milićević Dragan R.   +4 more
doaj   +1 more source

Medium- and High-Pressure Integrated Chromatographic Strategies for the Isolation and Purification of Free Radical Inhibitors from Dracocephalum heterophyllum

open access: yesSeparations, 2022
Dracocephalum heterophyllum has been reported as a traditional Tibetan medicine with diverse therapeutic benefits for the effective treatment of various diseases.
Yue Lv, Ze Wang, Qilan Wang, Jun Dang
doaj   +1 more source

Determination of the Amount of Water-Soluble Vitamins in the "Asbosim" Food Supplement Used in the Treatment of Hypertension Disease [PDF]

open access: yes, 2023
The purpose of the study is to determine the amount of water-soluble vitamins in the natural biologically active food supplement "Asbosim" used in the treatment of hypertension.
I.R. Askarov, M.M. Mominjonov, O.N. Temirkhojayeva
core   +2 more sources

Effects of inducers and epoxide hydrase on the metabolism of benzo(a)pyrene by liver microsomes and a reconstituted system: analysis by high pressure liquid chromatography.

open access: yesProceedings of the National Academy of Sciences of the United States of America, 1974
The mobilities of 24 potential metabolites of benzo[a]pyrene were examined with high pressure liquid chromatography. Twelve phenols, five quinones, four dihydrodiols, and three oxides were studied.
G. Holder   +6 more
semanticscholar   +1 more source

Design, fabrication and characterization of monolithic embedded parylene microchannels in silicon substrate [PDF]

open access: yes, 2006
This paper presents a novel channel fabrication technology of bulk-micromachined monolithic embedded polymer channels in silicon substrate. The fabrication process favorably obviates the need for sacrifical materials in surface-micromachined channels and
Chen, Po-Jui   +2 more
core   +2 more sources

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