UHPLC-QTOF-MS/MS profiling, molecular networking, and molecular docking analysis of Gliricidia sepium (Jacq.) Kunth. ex. Walp. stem ethanolic extract and its gastroprotective effec... by Aya A. Wafaey, Seham S. El-Hawary, Osama G. Mohamed, Sahar S. Abdelrahman, Alaa M. Ali, Ahmed A. El-Rashedy, Mohamed F. Abdelhameed, Farid N. Kirollos

“…Walp. stem ethanolic extract (GSS) was conducted using ultra-high performance quadrupole time of flight mass spectrometry/mass spectrometry (UHPLC-QTOF-MS/MS) in negative mode, resulting in the identification of 23 compounds belonging to various classes such as flavonoids, fatty acids, triterpenoid saponins, and phenolic acids. …”
Get full text

Organotin(IV) trifluoromethanesulfonate chemistry: isolation and characterization of novel 1,10-phenanthroline-based derivatives by Cattey, Hélène, Plasseraud, Laurent

“…A possible structure, especially suggested by electrospray-ionization mass spectrometry, is proposed as [{n-Bu2Sn(phen)(CF3SO3)}2(µ-CF3SO3)][CF3SO3]. …”
Get full text

Shramahara Mahakasya, a traditional polyherbal formulation, induces anti-anxiety activity in hippocampal neurons by effectuating SOD2-mediated protection against oxidative stress by Saakshi Saini, Viney Kumar, Swati Haldar, Samrat Chauhan, Pratibha Demiwal, Souvik Ghosh, Sumeet Gupta, Debabrata Sircar, Bidhan Mahajon, Partha Roy

“…Method: In this study, the chemical composition of SM was first identified using gas chromatography-mass spectrometry (GC-MS) and liquid chromatography-mass spectrometry (LC-MS). …”
Get full text

The cell colony development is connected with the accumulation of embryogenesis-related proteins and dynamic distribution of cell wall components in in vitro cultures of Fagopyrum... by Magdalena Zaranek, Artur Pinski, Bozena Skupien-Rabian, Urszula Jankowska, Kamila Godel-Jedrychowska, Katarzyna Sala-Cholewa, Katarzyna Nowak, Ewa Kurczyńska, Ewa Grzebelus, Alexander Betekhtin

Get full text

Metabolomic Analysis of Key Regulatory Metabolites in the Urine of Flavivirus-Infected Mice by Xiaoyan Zheng, Ran Wang

“…To improve the understanding of the specific metabolic changes that occur during infection with different flaviviruses, considering the principle of noninvasive sampling, this article describes our comprehensive analysis of metabolites in urine samples from the three kinds of flavivirus-infected mice using a liquid chromatography tandem mass spectrometry method to better understand their infection mechanisms. …”
Get full text

Determination of Lead in Saudi Arabian Imported Green Tea by ICP-MS by Ahmed Othman, Seham Al-Ansi, Mohammed Al-Tufail

“…Lead (Pb) in nine different Saudi Arabian imported green tea samples originated from China has been determined using inductively coupled plasma mass spectrometry (ICP-MS). Tea infusion and microwave acid digestion procedures are used for sample pre-treatment. …”
Get full text

Lipidomic Analysis of Endocannabinoid Signaling: Targeted Metabolite Identification and Quantification by Jantana Keereetaweep, Kent D. Chapman

“…The recent advances in mass spectrometry allow researchers to develop lipidomics approaches and several methodologies have been proposed to quantify endocannabinoids in various biological systems.…”
Get full text

The haustorium as a driving force for speciation in thallus-forming Laboulbeniomycetes by Danny Haelewaters, Maarten Lubbers, André De Kesel

“…We make suggestions for future research including fluorescent labeling of waxy lipids and mass spectrometry. These techniques have the potential to generate the data necessary to evaluate the here proposed 1H1P hypothesis for Herpomycetales and Laboulbeniales.…”
Get full text

Muscle Biopsy Sample Preparation and Proteomics Analysis Based on UHPLC-MS/MS by Jiawei Du, Jinghua Hou, Hezhang Yun, Yafeng Song

“…Traditional methods like two-dimensional gel electrophoresis and standard mass spectrometry have been used to analyze muscle protein content and modifications. …”
Get full text

Effect of Sorghum Mulches on Emergence and Seedling Growth of Beggarticks, Goose Grass, and Sesame by Juliet Chengetai Murimwa, Joyful Tatenda Rugare, Stanford Mabasa, Ronald Mandumbu

“…Liquid chromatography-mass spectrometry revealed the presence of 6 probable allelochemicals in sorghum residues, namely, 4-methylaminobutyrate, C16 sphinganine, oleamide, tauroursdeoxycholic acid, pisatin, and anhalonidine. …”
Get full text

Neonicotinoid Analysis in Sunflower (Helianthus annuus) Honey Samples Collected around Tekirdag in Turkey by Nurullah Ozdemir, Mustafa Necati Muz

“…Honey samples have been subjected to liquid-liquid extraction methods before liquid chromatography-mass spectrometry (LC-MS/MS). The method validation was carried out to fulfill all the necessary requirements of procedures SANCO/12571/2013. …”
Get full text

Pd-Au Electrocatalysts for Hydrogen Evolution Reaction at Neutral pH by Elitsa Chorbadzhiyska, Mario Mitov, Georgi Hristov, Nina Dimcheva, Lori Nalbandian, Antigoni Evdou, Yolina Hubenova

“…The quantities of the produced hydrogen gas with different electrocatalysts, estimated from data obtained by chronoamperometry, were confirmed by mass spectrometry analysis. The highest hydrogen evolution rate was achieved with the electrocatalysts, produced from electrolyte with equal Pd and Au content.…”
Get full text

Oral supplementation with propionate is reflected in the serum of healthy individuals by Maximilian Schröder, Arijan Pasic, Frank Hirche, Svitlana Rozanova, Melissa Sgodzai, Barbara Gisevius, Lea Horstkemper, Ralf Gold, Katrin Marcus, Kalliopi Pitarokoili, Jeremias Motte, Katalin Barkovits, Gabriele Stangl, Anna Lena Fisse

“…Methods: Serum propionate quantification was performed with two independent mass spectrometry-based (MS) analyses, including liquid-chromatography (LC)-MS and direct-infusion (DI)-MS. …”
Get full text

Multi-Template Molecularly Imprinted Polymeric Electrochemical Biosensors by Meltem Agar, Maisem Laabei, Hannah S. Leese, Pedro Estrela

“…Dual/multi-template molecular imprinting techniques have been applied to identify, extract, and detect many targets, from heavy metal ions to viruses, by different methods, such as high-performance liquid chromatography (HPLC), liquid chromatography–mass spectrometry (LC-MS), and piezoelectric, optical, and electrochemical methods. …”
Get full text

Age Discrimination of Chinese Baijiu Based on Midinfrared Spectroscopy and Chemometrics by Shiqi Hu, Le Wang

“…Firstly, changing regularities of the substances in Chinese Baijiu are discussed by gas chromatography-mass spectrometry (GC-MS) during the aging process. Then, infrared spectrums of Baijiu samples are processed by smoothing, multivariate baseline correction, and the first and second derivative processing, but no significant variation can be observed. …”
Get full text

Staphylococcus pettenkoferi Bacteremia in an American Intensive Care Unit by Cameron Strong, Michael Cosiano, Melanie Cabezas, J. W. Barwatt, L. Gayani Tillekeratne

“…With the advent of matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS) in clinical practice, there has been improved specificity of CoNS isolate identification and further elucidation of underrecognized pathogenic species. …”
Get full text

Synthesis of New (E)-2-(1H-Indole-3-ylcarbonyl)-3-heteroaryl-acrylonitriles via Microwave-Assisted Knoevenagel Condensation by Adriana V. Treuer, Pedro De-La-Torre, Margarita I. Gutiérrez

“…All the heteroaryl-acrylonitriles were characterized by physicoanalytical techniques such IR, 1H, 13C NMR, and electrospray mass spectrometry.…”
Get full text

Profiling Anthocyanins in Thai Purple Yams (Dioscorea alata L.) by Subin Srivichai, Parichat Hongsprabhas

“…Yam tubers contained total phenolic compounds ranging between 100 and 385 mg gallic acid equivalent (GAE), flavonoids 60–160 mg catechin equivalent (CE), monomeric anthocyanin of 10–90 mg cyanidin-3-glucoside equivalent (CGE), 70 g starch, and 25–30 g amylose in 100 g yam tuber on a dried weight basis, depending on the accession and age of yam vine. LCMS-IT-TOF mass spectrometry revealed that anthocyanins in both accessions from 8-month-old vines had cyanidin or peonidin nucleus. …”
Get full text

A Comparative Study of Phytochemical Profile of Different Solvents’ Effects on Total Phenolic Content and Antioxidant Activities of Various Parts of Halimium halimifolium by Sabah El gamouz, Omayma Bouzekri, Mostafa Elidrissi, Ali Amechrouq, M’bark Choukrad

“…It explores extracting the essential oil of this plant and analyzing its chemical composition by the gas chromatography-mass spectrometry (GC/MS). Interesting results have been obtained, in particular, the presence of 26 compounds where the major one is (+)-2-Bornanone (38.26%) followed by Eucalyptol (27.74%). …”
Get full text

Along for the Ride: Intrahepatic Cholangiocarcinoma with Concomitant LECT2 Amyloidosis by Phoenix D. Bell, Aaron R. Huber, Tom C. DeRoche

“…These findings were consistent with amyloidosis, which was further supported by identification of ALECT2- (leukocyte chemotactic factor-2-) type amyloid on mass spectrometry. To our knowledge, this is the first documented case of intrahepatic cholangiocarcinoma arising in association with LECT2 amyloidosis.…”
Get full text