Results 21 to 30 of about 154,145 (346)

Novel microstructures and technologies applied in chemical analysis techniques [PDF]

open access: yes, 1997
Novel glass and silicon microstructures and their application in chemical analysis are presented. The micro technologies comprise (deep) dry etching, thin layer growth and anodic bonding.
Burger, G.J.   +5 more
core   +3 more sources

Analysis of macrolide antibiotics [PDF]

open access: yes, 1998
The following macrolide antibiotics have been covered in this review: erythromycin and its related substances, azithromycin, clarithromycin, dirithromycin, roxithromycin, flurithromycin, josamycin, rokitamycin, kitasamycin, mycinamycin, mirosamycin ...
Kanfer, I   +2 more
core   +3 more sources

Identification and quantification of cannabinol as a biomarker for local hemp retting in an ancient sedimentary record by HPTLC-ESI-MS [PDF]

open access: yes, 2020
Cannabis products have been used in various fields of everyday life for many centuries, and applications in folk medicine and textile production have been well-known for many centuries.
Csuk, René   +6 more
core   +2 more sources

Toxicological Analysis of Some Drugs of Abuse in Biological Samples [PDF]

open access: yes, 2015
Consumption of drugs of abuse is a scourge of modern world. Abuse, drug addiction and their consequences are one of the major current problems of European society because of the significant repercussions in individual, family, social and economic level ...
Baconi, Daniela Luiza   +5 more
core   +3 more sources

Recent developments in the rapid analysis of plants and tracking their bioactive constituents [PDF]

open access: yes, 2009
Natural products chemistry has witnessed many new developments in the last 5 years like extractions with subcritical water and ionic liquids, LC/HRMS and LC/SPE/cryo-NMR, UHPLC, TLC/MS, MS-based preparative HPLC, comprehensive chromatography (GC × GC, LC
Beek, T.A., van   +7 more
core   +2 more sources

Chromatographic analysis of wheatgrass extracts

open access: yesJournal of Pharmacy and Bioallied Sciences, 2015
Aim: Wheatgrass (WG) is the shoot of Triticum aestivum Linn. belongs to the family Gramineae, and possess high chlorophyll content and essential vitamins, minerals, vital enzymes, amino acids, dietary fibers etc., It has been shown to possess anti-cancer,
Masood Shah Khan   +4 more
doaj   +1 more source

Quantum Cascade Laser Enabled Nano-liter Polymer Waveguide Sensor [PDF]

open access: yes, 2012
To improve the Mid-Infrared (IR) chemical sensing capabilities in liquids and gases, a polymer based waveguide that has 100% interaction with Quantum Cascade (QC) laser field is proposed and demonstrated.
Deev, Andrei, Wu, Sheng
core   +1 more source

Phytochemical analysis of Panax species: a review

open access: yesJournal of Ginseng Research, 2021
Panax species have gained numerous attentions because of their various biological effects on cardiovascular, kidney, reproductive diseases known for a long time.
Yuangui Yang   +5 more
doaj   +1 more source

Seagrass Posidonia oceanica (L.) Delile as a marine biomarker: A metabolomic and toxicological analysis [PDF]

open access: yes, 2018
A human-made environmental disaster due to the shipwrecked of Costa Concordia cruise vessel on the Tuscan Island of Giglio (Italy) coast and the possible pollutants release has been feared, so requiring the activation of removal operations and the ...
Agostini   +39 more
core   +1 more source

DEVELOPMENT OF METHODS FOR DETERMINATION OF SPECIFIC IMPURITIES IN THE GLUTATIONION RESTORED SUBSTANCE

open access: yesФармация и фармакология (Пятигорск), 2019
Glutathione (γ-L-glutamyl-L-cysteinylglycine) is the most important low molecular weight intracellular thiol tripeptide consisting of three amino acids – glycine, cysteine and glutamic acid.
K. A. Alexeeva   +3 more
doaj   +1 more source

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