Results 71 to 80 of about 1,586,292 (228)

HSCCC Separation of the Two Iridoid Glycosides and Three Phenolic Compounds from Veronica ciliata and Their in Vitro Antioxidant and Anti-Hepatocarcinoma Activities

Molecules, 2016
Five main compounds, including two iridoid glycosides (catalposide, verproside) and three phenolic compounds (luteolin, 4-hydroxy benzoic acid, 3,4-dihydroxy benzoic acid), were separated and prepared from the crude extract of Veronica ciliata by high ...
Qiuxia Lu, Yiran Sun, Yueyue Shu, Shancai Tan, Li Yin, Yiran Guo, Lin Tang   +6 more
doaj   +1 more source

A Protocol for Characterizing Comprehensive Two‐Dimensional Liquid Chromatography Systems

Journal of Separation Science, Volume 49, Issue 5, May 2026.
ABSTRACT Comprehensive two‐dimensional liquid chromatography (LC × LC) is an effective strategy to increase peak capacity and improve separation performance for complex samples, offering a valuable alternative to conventional one‐dimensional liquid chromatography (1D‐LC).
Megane K. Aebischer, Marie Pardon, Clémence Gadot, Katia Arena, Niklas Carstensen, Michael Laemmerhofer, Paola Dugo, Francesco Cacciola, Luigi Mondello, Morgan Sarrut, Deirdre Cabooter, Sabine Heinisch, Davy Guillarme   +12 more
wiley   +1 more source

LC/MS Guided Isolation of Alkaloids from Lotus Leaves by pH-Zone-Refining Counter-Current Chromatography

Molecules, 2011
The traditional methods used in natural product separation primarily target the major components and the minor components may thus be lost during the separation procedure.
Rui-Lin Hu, Zhang-Fa Yang, Yuan-Jiang Pan, Xiao-Jing Dai, Cui-Rong Sun, Xia Xu   +5 more
doaj   +1 more source

SR‐B1‐Mediated Transplacental Transfer of Hydrophobic Toxicants Disrupts Fetal Development During Barriergenesis

Advanced Science, Volume 13, Issue 23, 23 April 2026.
This study maps the spatiotemporal distribution of hydrophobic toxicants and endogenous metabolites in the developing placenta and fetus. By integrating mass spectrometry imaging with snRNA‐seq, we identify SR‐B1 as a key transporter driving early‐gestation xenobiotic transfer and reveal a critical exposure window associated with persistent fetal ...
Yixuan Huang, Hailin Shang, Ling Jiao, Ce Chen, Zehua Liu, Yi Yang, Qiannan Zhang, Song Tang, Xudong Jia, Hui Yang, Yi Wan   +10 more
wiley   +1 more source

Preparative Purification of Anti-Proliferative Diarylheptanoids from Betula platyphylla by High-Speed Counter-Current Chromatography

Molecules, 2016
A simple and rapid method using high-speed counter-current chromatography (HSCCC), along with bioassay-guided fractionation based on the anti-proliferative activity against renal and colon cancer cells, has been developed for the preparative separation ...
Namki Cho, Hyun Woo Kim, Tae Bum Kim, Tanya T. Ransom, John A. Beutler, Sang Hyun Sung   +5 more
doaj   +1 more source

Analytical, Preparative, and Industrial-Scale Separation of Substances by Methods of Countercurrent Liquid-Liquid Chromatography

Molecules, 2020
Countercurrent liquid-liquid chromatographic techniques (CCC), similar to solvent extraction, are based on the different distribution of compounds between two immiscible liquids and have been most widely used in natural product separations.
Artak A. Kostanyan, Andrey A. Voshkin, Vera V. Belova   +2 more
doaj   +1 more source

Recent advances of non‐invasive sensors for smart wearable respiratory monitoring

VIEW, Volume 7, Issue 2, April 2026.
Respiration contains rich physiological and pathological information, making it one of the most fundamental and continuous vital signs. Respiration monitoring is a non‐invasive and simple, but incredibly powerful, tool for assessing health, managing disease, and tracking fitness.
Jianhui Chen, Baoxiang Yang, Chang Peng, Bao Yang, Licheng Zhou, Zhenyu Jiang, Zejia Liu, Yiping Liu, Liqun Tang   +8 more
wiley   +1 more source

Long‐term effects of moderate and severe hypoxia on growth, intermediary metabolism, monoamine neurotransmitters, and fatty acids in juveniles of coho salmon, Oncorhynchus kisutch

Journal of the World Aquaculture Society, Volume 57, Issue 2, April 2026.
Abstract Hypoxia concerns have increased in recent decades, reducing fish fitness and becoming a critical challenge in salmon aquaculture. We investigated the effect of long‐term hypoxia on the physiological response of coho salmon (Oncorhynchus kisutch).
R. Oyarzún‐Salazar, P. Cortes, O. de Lázaro, K. Paschke, J. L. P. Muñoz, J. Ruiz, P. Dantagnan, L. Vargas‐Chacoff   +7 more
wiley   +1 more source

Purified and HPCCC Fractionated Anthocyanin-Rich Extracts from Black Bean Hulls Modulate H₂O₂-Induced Intracellular ROS Generation in RAW 264.7 Cells

Molecules
This study aimed to obtain crude, purified, and fractionated anthocyanin-rich extracts of three black bean cultivars from the South Pacific Region of Mexico (Chiapas, Guerrero, and Oaxaca). The extracts were obtained using an Amberlite XAD-7HP column and
Alejandro Escobedo, Sofía Barcena, Luis Mojica, Anne Gschaedler, Eugenia Lugo-Cervantes, Montserrat Alcazar   +5 more
doaj   +1 more source

Preparative Separation of Phenolic Compounds from Halimodendron halodendron by High-Speed Counter-Current Chromatography

Molecules, 2010
Three phenolic compounds, p-hydroxybenzoic acid (1), isorhamnetin-3-O-β-D-rutinoside (2), and 3,3'-di-O-methylquercetin (5), along with a phenolic mixture were successfully separated from the ethyl acetate crude extract of Halimodendron halodendron by ...
Zhu Yu, Jianguo Han, Ligang Zhou, Qi Wang, Jianglin Zhao, Haifeng Gao, Jihua Wang, Fuyu Yang   +7 more
doaj   +1 more source