Results 41 to 50 of about 919,285 (215)

A cosmogenic 10Be anomaly during the late Miocene as independent time marker for marine archives

Nature Communications
Cosmogenic nuclide dating relies on the constancy of production and incorporation of radionuclides in geological archives. Anomalous deviations from constancy during the Holocene or Pleistocene are frequently used as global benchmarks to harmonize ...
Dominik Koll, Johannes Lachner, Sabrina Beutner, Sebastian Fichter, Silke Merchel, Georg Rugel, Zuzana Slavkovská, Carlos Vivo-Vilches, Stella Winkler, Anton Wallner   +9 more
doaj   +1 more source

Organ-resolved lipid mapping in Steatoda nobilis spider model using high-resolution mass spectrometry imaging and Kendrick mass defect analysis

Frontiers in Chemistry
The noble false widow spider (Steatoda nobilis), a rapidly spreading member of the Theridiidae family, has gained attention for its increasing presence near human habitats and its medical significance due to envenomation reports.
Damien Redureau, J. P. Dunbar, J. P. Dunbar, Raphaël La Rocca, Axel De Monts De Savasse, Quentin Bastiaens, Virginie Bertrand, Christopher Kune, Mathieu Tiquet, Johann Far, Edwin De Pauw, Michel M. Dugon, Loïc Quinton   +12 more
doaj   +1 more source

Bile acids of marsupials. 2. Hepatic formation of vulpecholic acid (1 alpha,3 alpha,7 alpha-trihydroxy-5 beta-cholan-24-oic acid) from chenodeoxycholic acid in a marsupial, Trichosurus vulpecula (Lesson).

Journal of Lipid Research, 1991
Free vulpecholic acid (1 alpha,3 alpha,7 alpha-trihydroxy-5 beta-cholan-24-oic) is the major biliary component of the Australian opossum (Trichosurus vulpecula), accompanied only by a few percent of its taurine conjugate.
J St Pyrek, SP Lee, L Thomsen, C Tasman-Jones, B Leydon   +4 more
doaj   +1 more source

Mass spectrometry of glycans [PDF]

Biochemistry (Moscow), 2013
Powerful new strategies based on mass spectrometry are revolutionizing the structural analysis and profiling of glycans and glycoconjugates. We survey here the major biosynthetic pathways that underlie the biological diversity in glycobiology, with emphasis on glycoproteins, and the approaches that can be used to address the resulting heterogeneity ...
Liang, Han, Catherine E, Costello
openaire   +2 more sources

Plasma lipidomic analysis reveals strong similarities between lipid fingerprints in human, hamster and mouse compared to other animal species

Scientific Reports, 2018
Cardiovascular diseases are often associated with impaired lipid metabolism. Animal models are useful for deciphering the physiological mechanisms underlying these pathologies.
Zied Kaabia, Julie Poirier, Michelle Moughaizel, Audrey Aguesse, Stéphanie Billon-Crossouard, Fanta Fall, Manon Durand, Elie Dagher, Michel Krempf, Mikaël Croyal   +9 more
doaj   +1 more source

Correction: Wu et al. A Novel Truncated DNAzyme Modified Paper Analytical Device for Point-of-Care Test of Copper Ions in Natural Waters. Chemosensors 2022, 10, 72

Chemosensors
The authors make the following corrections to the published paper [...]
Jiayi Wu, Ming Wang, Huanhuan Hong, Jianyuan Lin, Ning Gan, Wenchao Bi   +5 more
doaj   +1 more source

Untargeted volatile fingerprinting of sesame oils using HS-SPME–GC×GC/HRMS for geographical origin discrimination

Journal of Analytical Science and Technology
Sesame oil is widely consumed across Asia, yet reliable analytical approaches for geographical origin authentication remain limited, particularly after roasting-induced chemical transformation.
Eunji Jeon, Hee-Jin Yoo, Moonhee Park, Jong-Soon Choi, Han Bin Oh, Kun Cho, Young Hwan Kim   +6 more
doaj   +1 more source

A streamlined pipeline for multiplexed quantitative site-specific N-glycoproteomics

Nature Communications, 2020
Comprehensive quantitative profiling of intact glycopeptides remains technically challenging. To address this, the authors here develop an integrated quantitative glycoproteomic workflow, including optimized sample preparation, multiplexed quantification
Pan Fang, Yanlong Ji, Ivan Silbern, Carmen Doebele, Momchil Ninov, Christof Lenz, Thomas Oellerich, Kuan-Ting Pan, Henning Urlaub   +8 more
doaj   +1 more source

Identification of Aflatoxins by Quadrupole Mass Spectrometry/Mass Spectrometry

Journal of AOAC INTERNATIONAL, 1984
Abstract MS/MS daughter experiments were recorded for aflatoxins B1, B2, G1, G2, M1, M2, and aflatoxicol, using 3 ionization modes. Daughters were recorded from the molecular ion (M+) using electron impact ionization (EI). Daughters from the protonated molecules (MH+) were recorded in the positive ion mode and the daughters from the ...
R D, Plattner, G A, Bennett, R D, Stubblefield   +2 more
openaire   +2 more sources

Spatial Metabolomics Approach Reveals the Pharmacodynamic Substances and Mechanism of Panax ginseng in Alzheimer’s Disease Mice

Zhipu Xuebao
Panax ginseng, a venerable herb in traditional Chinese medicine, boasts a rich history of usage in the treatment of dementia, particularly in its various manifestations.
Yu-ting FAN, Zhi-qiang LIU, Jun-peng XING, Zhong ZHENG, Feng-rui SONG, Shu LIU   +5 more
doaj   +1 more source