Results 41 to 50 of about 1,984,221 (249)
Agronomy Science, 2019 W celu zapewnienia prawidłowych i wiarygodnych wyników oznaczenia pozostałości pestycydów w żywności pochodzenia roślinnego duże znaczenie odgrywają dzisiaj specyficzne i selektywne metody analityczne, do których należy metoda QuEChERS (quick easy cheap ...
GRAŻYNA MARIA KOWALSKA +1 more
doaj +1 more source
Identification of volatiles from six marine Celeribacter strains
Beilstein Journal of Organic Chemistry, 2021 The volatiles emitted from six marine Rhodobacteraceae species of the genus Celeribacter were investigated by GC–MS. Besides several known compounds including dimethyl trisulfide and S-methyl methanethiosulfonate, the sulfur-containing compounds ethyl (E)
Anuj Kumar Chhalodia +4 more
doaj +1 more source
GC-MS analysis of whisky samples
, 2021 Dolgozatomban körbejárom a műszeres analitika fejlődését. Bemutatok néhány mondern műszeres analitikai eljárást. Whisky mintákat vizsgálok GC-MS módszerrel, a kapott adatokat értékelem és az eredményeket prezentálom.vegyészmérnökBSc ...
Szegedi, László
core
Separation and identification of antibacterial chamomile components using OPLC, bioautography and GC-MS [PDF]
, 2012 Components of 50% ethanolic chamomile (Matricaria recutica L.) flower extract, previously found antibacterial in a TLC-bioautographic study, were separated and isolated by the use of on-line OPLC, which consisted of an OPLC 50 BS system, an on-line ...
Móricz, Ágnes M. +5 more
core +1 more source
Chiral separation of chloroalkanes with the chromatographic column onboard Martian rovers
FEBS Letters, EarlyView.Computer image of the Rosalind Franklin Rover of ESA's ExoMars mission. ExoMars is scheduled to land on planet Mars in Oxia Planum in 2029. This area represents an interesting spot to look for biosignatures. Investigations of ExoMars include measurement on molecular chirality. We show that chiral chloroalkanes, that have been identified on Mars, can be
Asma Merzougui +4 more
wiley +1 more source
MS and GC–MS Analytical Methods for On-Line Thermally Induced Evolved Gas Analysis (OLTI-EGA)
ChemosensorsMass spectrometry (MS) and coupled gas chromatography-mass spectrometry (GC-MS) are globally recognized as the primary techniques for the analysis of gases or vapors due to their selectivity, sensitivity, accuracy, and reproducibility.
Giuseppina Gullifa +7 more
doaj +1 more source
Data in Brief, 2020 Guayule (Parthenium argentatum), a shrub native to the arid region of the U.S. southwest and Mexico belonging to the Asteraceae family, is a source of high quality, hypoallergenic natural rubber with applications in pharmaceutical, tire, and food ...
Mostafa Dehghanizadeh +4 more
doaj +1 more source
Molecular Oncology, EarlyView.This review summarizes the transcription factors, repressive chromatin‐modifying complexes, and epigenetic mechanisms that control fetal hemoglobin repression. Notably, many regulators of γ‐globin silencing also function in transcriptional and epigenetic networks that drive cancer, highlighting opportunities to translate advances in hemoglobinopathy ...
Meigen Yu +3 more
wiley +1 more source
Detection and accumulation of morphine in hair using GC–MS
Egyptian Journal of Forensic Sciences, 2016 Background: The detection of drugs ingested by humans by analyzing hair samples for their presence is now one of the imperative techniques in the field of forensic toxicology.
Himanshu Khajuria, Biswa Prakash Nayak
doaj +1 more source
Open Chemistry, 2023 To help discover a reasonable and eco-friendly insecticide, we undertook a study on the insecticidal potential of carvacrol and essential oils extracted by hydrodistillation using a Clevenger apparatus from the plant species Nigella sativa seeds ...
Zouirech Otmane +8 more
doaj +1 more source