Results 21 to 30 of about 44,709 (259)

Iterative systems, a topological and categorial approach

Journal of Numerical Analysis and Approximation Theory, 1973
Not available.
M. Jalobeanu
doaj   +2 more sources

A comparative study of production methods for nuclear-grade boron carbide powder

EPJ Nuclear Sciences & Technologies
Two industrial-scale methods for synthesizing nuclear-grade boron carbide (B4C) powder have been investigated and compared: direct synthesis from elements and carbothermal reduction.
Mestvirishvili Zviadi, Jalabadze Nikoloz, Nadaraia Lili   +2 more
doaj   +1 more source

A stable isotope method using a [2H5]glycerol bolus to measure very low density lipoprotein triglyceride kinetics in humans

Journal of Lipid Research, 1999
We have developed a method using a bolus of [2H5]glycerol to determine parameters of VLDL-triglyceride (VLDL-TG) turnover and have compared the data to that obtained using simultaneously a bolus of [2-3H]glycerol in six young normolipidemic men.
Simone Lemieux, Bruce W. Patterson, André Carpentier, Gary F. Lewis, George Steiner   +4 more
doaj   +1 more source

The Preparation of Carbon and Nitrogen Stable Isotopes Reference Materials Using Sediments from the Bohai and East China Seas

Yankuang ceshi, 2017
The stable isotope of carbon and nitrogen (δ13C and δ15N) in marine sediments have received much attention as they can be used to trace the sources of organic matter and are helpful in understanding the carbon cycle, climate change and the transformation
QIN De-di, HE Xing-liang, ZHANG Yuan-yuan, LI Feng, CHEN Yu-feng, ZHANG Pei-yu   +5 more
doaj   +1 more source

Centrifugal Separation of Titanium Isotopes Using Titanium Tetrachloride as Processing Gas

Journal of Isotopes, 2020
Stable isotope techniques have been widely used in modern agriculture, ecological environment, medical diagnosis, nuclear industry, fundamental physics research, and so on. Natural titanium has 5 stable isotopes.
PEI Gen;PAN Jianxiong;ZHOU Mingsheng;JIAN Conghui
doaj   +1 more source

Protein pyrophosphorylation by inositol pyrophosphates — detection, function, and regulation

FEBS Letters, EarlyView.
Protein pyrophosphorylation is an unusual signaling mechanism that was discovered two decades ago. It can be driven by inositol pyrophosphate messengers and influences various cellular processes. Herein, we summarize the research progress and challenges of this field, covering pathways found to be regulated by this posttranslational modification as ...
Sarah Lampe, Tanmay Kumar Mohanty, Rashna Bhandari, Dorothea Fiedler   +3 more
wiley   +1 more source

Comparison of different methods to determine the degree of peat decomposition in peat bogs [PDF]

Biogeosciences, 2014
Peat humification or decomposition is a frequently used proxy to extract past time changes in hydrology and climate from peat bogs. During the past century several methods to determine changes in peat decomposition have been introduced.
H. Biester, K.-H. Knorr, J. Schellekens, A. Basler, Y.-M. Hermanns   +4 more
doaj   +1 more source

Modulation of Homer1 EVH1 domain internal dynamics by putative autism‐associated mutations

FEBS Letters, EarlyView.
The putative autism‐associated M65I and S97L variants of the EVH1 domain of the postsynaptic scaffold protein Homer1 do not exhibit substantial changes in their overall structure or partner binding. Both of them, but especially the M65I variant, show altered internal dynamics relative to the wild‐type domain on the μs‐ms timescale, indicated by the ...
Fanni Farkas, Brigitta Maruzs, Zsófia E. Kálmán, Tomas Klumpler, Gyula Batta, Bálint Péterfia, Zoltán Gáspári   +6 more
wiley   +1 more source

Dataset of stable isotopes of precipitation in the Eurasian continent [PDF]

Earth System Science Data
Stable isotopes in precipitation can effectively reveal the process of atmospheric water circulation, serving as an effective tool for hydrological and water resource research, climate change, and ecosystem studies. The scarcity of stable isotope data in
L. Chen, L. Chen, L. Chen, Q. Wang, Q. Wang, Q. Wang, G. Zhu, G. Zhu, G. Zhu, X. Lin, X. Lin, X. Lin, D. Qiu, D. Qiu, D. Qiu, Y. Jiao, Y. Jiao, Y. Jiao, S. Lu, S. Lu, S. Lu, R. Li, R. Li, R. Li, G. Meng, G. Meng, G. Meng, Y. Wang, Y. Wang, Y. Wang   +29 more
doaj   +1 more source

Peripheral lysosomes recruit PLEKHG3 to focal adhesions and restrain protrusion dynamics

FEBS Letters, EarlyView.
Proximity‐dependent labeling at the LAMTOR complex revealed the Rho GEF PLEKHG3 as a lysosome‐proximal protein directing the study toward the influence of lysosome positioning on actin dynamics and cell motility. We show that PLEKHG3 colocalizes with lysosomes at focal adhesion sites and observe that forced peripheral dispersion of lysosomes hinders ...
Rainer Ettelt, Ana‐Maria Sandru, Georg Vucak, Sebastian Didusch, Biljana Riemelmoser, Karin Ehrenreiter, Markus Hartl, Lukas A. Huber, Manuela Baccarini   +8 more
wiley   +1 more source