Results 91 to 100 of about 11,589 (250)

Value of Magnetic Resonance Spectroscopy for Examining Fetal Brain Development in Mid‐ to Late Pregnancy

iRADIOLOGY, EarlyView.
This study demonstrates that the ratio of tNAA to tCr increases during gestation, which correlates with an increase in the number of neurons and cellular energy metabolism in the fetal brain as gestational weeks progress. Additionally, tCho levels exhibit a progressive decrease with advancing gestational weeks, indicating the ongoing development of the
Dejuan Shan, Yi Zhang, Maobo Wang, Yanyan Liu, Yudong Wang, Lianxiang Xiao   +5 more
wiley   +1 more source

Conformational Dependence of a Protein Kinase Phosphate Transfer Reaction [PDF]

, 2004
Atomic motions and energetics for a phosphate transfer reaction catalyzed by the cAMP-dependent protein kinase (PKA) are calculated by plane-wave density functional theory, starting from structures of proteins crystallized in both the reactant conformation (RC) and the transition-state conformation (TC).
arxiv   +1 more source

LC‐ICP‐MS analysis of inositol phosphate isomers in soil offers improved sensitivity and fine‐scale mapping of inositol phosphate distribution

Methods in Ecology and Evolution
Organic forms of phosphorus (P) prevail in soils and their quantification is vital to better understand global biogeochemical cycles. P speciation in soil is commonly assessed by 31P NMR spectroscopy of sodium hydroxide‐EDTA (NaOH‐EDTA) extracts.
Joseph J. Carroll, Colleen Sprigg, Graham Chilvers, Ignacio Delso, Megan Barker, Filipa Cox, David Johnson, Charles A. Brearley   +7 more
doaj   +1 more source

Endurance Training Alleviates Metabolic‐Associated Fatty‐Liver Disease (MAFLD)‐Related Testicular Impairments via Endoplasmic Reticulum Stress Regulation

Journal of Clinical Laboratory Analysis, EarlyView.
ABSTRACT Background Metabolic‐associated fatty liver disease (MAFLD), the most prevalent liver disorder globally, affects 20%–40% of the population and presents significant health challenges. Studies link MAFLD to male reproductive dysfunction, highlighting the need for effective interventions.
Nastaran Teimouri, Vahid Kazemizadeh
wiley   +1 more source

Regulation of Hematopoietic Cell Development and Function Through Phosphoinositides

Frontiers in Immunology, 2018
One of the most paramount receptor-induced signal transduction mechanisms in hematopoietic cells is production of the lipid second messenger phosphatidylinositol(3,4,5)trisphosphate (PIP3) by class I phosphoinositide 3 kinases (PI3K).
Mila Elich, Karsten Sauer, Karsten Sauer
doaj   +1 more source

Optimized Long‐TE 1H sLASER MR Spectroscopic Imaging at 3T for Separate Quantification of Glutamate and Glutamine in Glioma

Journal of Magnetic Resonance Imaging, EarlyView.
ABSTRACT Background Glutamate and glutamine are critical metabolites in gliomas, each serving distinct roles in tumor biology. Separate quantification of these metabolites using in vivo MR spectroscopy (MRS) at clinical field strengths (≤ 3T) is hindered by their molecular similarity, resulting in overlapping, hence indistinguishable, spectral peaks ...
Seyma Alcicek, Michael W. Ronellenfitsch, Joachim P. Steinbach, Andrei Manzhurtsev, Dennis C. Thomas, Katharina J. Weber, Vincent Prinz, Marie‐Thérèse Forster, Elke Hattingen, Ulrich Pilatus, Katharina J. Wenger   +10 more
wiley   +1 more source

Myo-inositol: micronutrient for “fine tuning” of the female reproductive sphere [PDF]

РМЖ. Мать и дитя, 2018
Myo-inositol: micronutrient for “fine tuning” of the female reproductive sphere I.Yu. Torshin1, O.A. Gromova1, A.G. Kalacheva2, N.K. Tetruashvili3, V.I.
I.Yu. Torshin, O.A. Gromova, A.G. Kalacheva, V.I. Demidov   +3 more
doaj  

Identification of a phosphodiesterase that converts inositol cyclic 1:2-phosphate to inositol 2-phosphate.

Journal of Biological Chemistry, 1992
Inositol 2-phosphate (Ins(2)P) has been identified in several cell types. The cellular levels of Ins(2)P appear to be directly correlated with the levels of inositol 1:2-cyclic phosphate (cIns(1:2)P) (Ross, T. S., Wang, F. P., and Majerus, P. W. (1992) J. Biol. Chem. 267, 19919-19923).
Theodora S. Ross, Philip W. Majerus
openaire   +3 more sources

XANES spectroscopy proofs pH‐dependent P sorption partitioning to Fe oxyhydroxides versus montmorillonite in acidic soils

Journal of Plant Nutrition and Soil Science, EarlyView.
Abstract Background Fe and Al oxyhydroxides are well‐known phosphorus (P)‐retaining minerals in soils. Little information is available regarding the relevance of clay minerals for the sorption of P in mixed oxyhydroxide–clay mineral systems and pH effects on P sorption partitioning.
Jörg Prietzel, Gertraud Harrington, Sigrid Hiesch, Wantana Klysubun   +3 more
wiley   +1 more source

Thiol‐X Chemistry: A Skeleton Key Unlocking Advanced Polymers in Additive Manufacturing

Macromolecular Materials and Engineering, EarlyView.
Additive manufacturing and thiol‐X chemistry form a powerful combination for fabricating a diverse array of advanced polymers to address contemporary engineering applications. Thiol‐X reactions offer versatile polymerization mechanisms, “click” reactivity, functional group tolerance, desirable properties, and compatibility over a broad range of 3D ...
James Anthony Dicks, Chris Woolard
wiley   +1 more source