Results 21 to 30 of about 6,159 (234)

Contrasting Roles of Islet Resident Immunoregulatory Macrophages and Dendritic Cells in Experimental Autoimmune Type 1 Diabetes.

PLoS ONE, 2016
The innate immune system critically shapes diabetogenic adaptive immunity during type 1 diabetes (T1D) pathogenesis. While the role of tissue-infiltrating monocyte-derived macrophages in T1D is well established, the role of their tissue-resident ...
Thomas B Thornley, Krishna A Agarwal, Periklis Kyriazis, Lingzhi Ma, Vaja Chipashvili, Jonathan E Aker, Sarantis Korniotis, Eva Csizmadia, Terry B Strom, Maria Koulmanda   +9 more
doaj   +1 more source

Determination of δ13C of Trace Hydrocarbons in Natural Gas Using Syringe Solid Phase Extraction (SSPE) Coupled with Gas Chromatography/Isotope Ratio Mass Spectrometry (GC/IRMS)

Geofluids, 2019
Sample preparation technique, for the analysis of δ13C ratios in oil and gas samples, has gradually been recognized as one of the most crucial steps of the whole analytical process.
Cancan Yan, Zhongping Li, Shutong Li, Zuodong Wang, Lantian Xing, Yan Liu, Weiwei Mou, Kaiwen Wang   +7 more
doaj   +1 more source

Compound specific isotope analysis (CSIA) of phthalates and non-targeted isotope analysis (NTIA) of SPE-extractable organic carbon in dilute aquatic environments

Environmental Advances, 2021
Isotope ratio analysis of total organic carbon (TOC) is well-established for the study of rivers, lakes, and oceans. Similarly, these aquatic systems are routinely surveyed to quantify natural and anthropogenic organic compounds and pollutants, including
Marcin Fiedziukiewicz, Quentin Hanley
doaj   +1 more source

Isotope ratio mass spectrometry application for environmental investigations [PDF]

E3S Web of Conferences, 2019
Stable isotope ratio mass spectrometry (IRMS) is a useful technique with a broad range of applications. Stable isotopes are important indicators of environmental changes (including climate), and can be used to explain the functioning of biogeochemical ...
Simonova Galina, Kalashnikova Daria
doaj   +1 more source

An Improved Cr-EA-IRMS Method for the Effective Determination of the Hydrogen Isotopes in Coal Samples

Frontiers in Chemistry, 2022
Hydrogen isotope analysis of coal is an important tool in the geochemical analysis of coal. The traditional method of hydrogen isotope analysis of coal requires the oxidation of organic matter bound hydrogen in coal to water by an oxidizing agent and ...
Hongwei Li, Hongwei Li, Lianjun Feng, Lianjun Feng   +3 more
doaj   +1 more source

Development of a new method for hydrogen isotope analysis of trace hydrocarbons in natural gas samples

Journal of Natural Gas Geoscience, 2016
A new method had been developed for the analysis of hydrogen isotopic composition of trace hydrocarbons in natural gas samples by using solid phase microextraction (SPME) combined with gas chromatography-isotope ratio mass spectrometry (GC/IRMS). In this
Xibin Wang, Zhongping Li, Lantian Xing, Mingjie Zhang, Yan Liu, Chunhui Cao, Liwu Li   +6 more
doaj   +1 more source

Beyond Tokenism: How Do Racialized School Leaders Respond to Ethnocultural Diversities in Their Schools?

Education Sciences
The increasing presence of racialized and immigrant students and educators challenges school institutions to critically examine whose knowledge, leadership, and practices are recognized, legitimized, and valued.
Marianne Jacquet, Gwenaëlle André
doaj   +1 more source

Distinguishing glutamic acid in foodstuffs and monosodium glutamate used as seasoning by stable carbon and nitrogen isotope ratios

Heliyon, 2018
Recently, a number of consumers have begun to appreciate more natural ingredients and have become less willing to consume monosodium glutamate (MSG) as a seasoning.
Kazuhiro Kobayashi, Masaharu Tanaka, Soichi Tanabe, Yoichi Yatsukawa, Mitsuru Tanaka, Takuya Suzuki   +5 more
doaj   +1 more source

The combination of early and rapid type I IFN, IL-1α, and IL-1β production are essential mediators of RNA-like adjuvant driven CD4+ Th1 responses. [PDF]

PLoS ONE, 2011
There is a growing need for novel vaccine adjuvants that can provide safe and potent T-helper type 1 (Th1) activity. RNA-like immune response modifiers (IRMs) are candidate T-cell adjuvants that skew acquired immune responses towards a Th1 phenotype.
Rachel F Madera, Jennifer P Wang, Daniel H Libraty   +2 more
doaj   +1 more source

Conductive Hydrogels for Exogenous Sensing and Cell Fate Control

Advanced Materials, EarlyView.
We engineer electrically conductive hydrogels by combining sulfated glycosaminoglycans with semiconducting polymers. These hydrogels bind bioactive proteins, including growth factors, whose release or retention can be modulated by low‐voltage stimulation. The hydrogels are also integrated as 3D channels in organic electrochemical transistors as part of
Teuku Fawzul Akbar, Carlos Alejandro Jimenez‐Rodriguez, Railia Biktimirova, Ilka Hermes, Thomas Kurth, My Duyen Pham, Mikhail Tsurkan, Jens Friedrichs, Francis L. C. Morgan, Hans Kleemann, Olga Guskova, Uwe Freudenberg, Peter Fratzl, Carsten Werner, Christoph Tondera, Ivan R. Minev   +15 more
wiley   +1 more source