Results 41 to 50 of about 1,649,552 (239)

Application of direct bioautography and SPME-GC-MS for the study of antibacterial chamomile ingredients [PDF]

, 2012
The isolation and characterization of antibacterial chamomile components were performed by the use of direct bioautography and solid phase microextraction (SPME)-GC-MS.
Adams R.P., Afek U., Aggag M.E., Al-Ismail K.M., Arias Abrodo P., Arthur C.L., Berry M., Bisset N.G., Botz L., Choma I.M., Cinco M., Daniel M., Dóra Kertesy, Eloff J.N., Ernő Tyihák, Iordache A., Lis-Balchin M., Lord H., McKay D.L., Mincsovics E., Mincsovics E., Mincsovics E., Móricz M., Móricz M., Móricz M., Ojala T., Péter Ott, Repcák M., Riu-Aumatell M., Soliman K.M., Srivastava J.K., Szabolcs Szarka, Szőke, Szőke, Szőke, Tyihák E., Tyihák E., Weins C., Ágnes Móricz, Éva Héthelyi, Éva Szőke   +40 more
core   +1 more source

Influence of QuEChERS modifications on recovery and matrix effect during the multi-residue pesticide analysis in soil by GC/MS/MS and GC/ECD/NPD

Environmental science and pollution research international, 2017
A QuEChERS extraction followed by GC/MS/MS and GC-μECD/NPD for 216 pesticide and metabolites determination in soil simultaneously were developed and compared.
B. Łozowicka, E. Rutkowska, M. Jankowska   +2 more
semanticscholar   +1 more source

(1)H NMR and GC-MS Based Metabolomics Reveal Defense and Detoxification Mechanism of Cucumber Plant under Nano-Cu Stress.

Environmental Science and Technology, 2016
Because copper nanoparticles are being increasingly used in agriculture as pesticides, it is important to assess their potential implications for agriculture.
Lijuan Zhao, Yuxiong Huang, Jerry G. Hu, Hongjun Zhou, A. Adeleye, A. Keller   +5 more
semanticscholar   +1 more source

Characterization of the Volatile Compounds of Zhenba Bacon at Different Process Stages Using GC–MS and GC–IMS

Foods, 2021
Zhenba bacon (ZB), a type of Chinese traditional bacon with a long history, has attracted considerable attention in the Southwest of China for its unique flavor.
Linjie Xi, Jing Zhang, Ruixiao Wu, Tian Wang, Wu Ding   +4 more
doaj   +1 more source

Identification of polymer types and additives in marine microplastic particles using pyrolysis-GC/MS and scanning electron microscopy.

Environmental Science: Processes & Impacts, 2013
Any assessment of plastic contamination in the marine environment requires knowledge of the polymer type and the additive content of microplastics.
E. Fries, Jens H. Dekiff, Jana Willmeyer, Marie-Theres Nuelle, M. Ebert, D. Remy   +5 more
semanticscholar   +1 more source

Analysis of gas chromatography/mass spectrometry data for catalytic lignin depolymerization using positive matrix factorization [PDF]

, 2018
Various catalytic technologies are being developed to efficiently convert lignin into renewable chemicals. However, due to its complexity, catalytic lignin depolymerization often generates a wide and complex distribution of product compounds.
Barrett, JA, Ford, PC, Foston, MB, Gao, Y, Harper, DP, Hosseinaei, O, Walker, MJ, Williams, BJ   +7 more
core  

Chemical components of Choerospondias axillaris wood by TD-GC/MS, Py-GC/MS, and TG

Journal of King Saud University: Science, 2020
Choerospondias axillaris is a better fast-growing species. Its bark and fruit have the functions of anti-inflammation, detoxification, hemostasis and treatment of external burns.
Xiaochen Yue, Juntao Chen, Yafeng Yang, Zhenling Liu, Ting Wang, Wanxi Peng   +5 more
doaj  

Study of pesticide use on bitter gourd production at Jashore district

International Journal of Agricultural Research, Innovation and Technology, 2020
The study was designed to assess the extent of pesticide use and profitability of bitter gourd production at farm level in selected areas of Jashore district during January-May, 2019. Average farm size was 0.79 ha and average bitter gourd cultivated area
P Hajong, MS Rahman, MA Islam, GC Biswas
doaj   +1 more source

Derivatization Methods in GC and GC/MS

Gas Chromatography - Derivatization, Sample Preparation, Application, 2018
The first part of this chapter presents the main objectives for performing derivatization of a sample to be analyzed by gas chromatography (GC) or gas chromatography/mass spectrometry (GC/MS).
S. Moldoveanu, V. David
semanticscholar   +1 more source

Making It Last: Storage Time and Temperature Have Differential Impacts on Metabolite Profiles of Airway Samples from Cystic Fibrosis Patients. [PDF]

, 2017
Metabolites of human or microbial origin have the potential to be important biomarkers of the disease state in cystic fibrosis (CF). Clinical sample collection and storage conditions may impact metabolite abundances with clinical relevance.
John J. LiPuma, Katrine Whiteson, Lisa Carmody, Peter J. Turnbaugh, Stephen Wandro, Tara Gallagher   +5 more
core   +3 more sources