Results 81 to 90 of about 10,248,234 (333)

Novel insights into antimony mobilization in different high- antimony aquifers from the molecular signatures of dissolved organic matter

Ecotoxicology and Environmental Safety
The crucial role of the fluorescent components of dissolved organic matter (DOM) in controlling antimony (Sb) mobilization in groundwater has been confirmed. However, the molecular signatures contributing to Sb enrichment in DOM remain unknown.
Chunming Hao, Qianqian Sun, Ximeng Sun, Qiong Li   +3 more
doaj   +1 more source

Shape of nanosize superconducting grains: Does it influence pairing characteristics?

, 2001
The Richardson exact solution for the reduced BCS Hamiltonian is applied to examine how sensitive are the pairing characteristics (condensation energy, spectroscopic gap, parity gap) to a specific configuration of single-electron energy levels in ...
Black, Boyaci, Brown, Brown, Brown, J.T Devreese, Matveev, Mehta, Poole, Ralph, Ralph, Richardson, Schechter, Sierra, Smith, V.M Fomin, V.N Gladilin, von Delft   +17 more
core   +2 more sources

Manifold Learning in MR spectroscopy using nonlinear dimensionality reduction and unsupervised clustering [PDF]

, 2014
Purpose To investigate whether nonlinear dimensionality reduction improves unsupervised classification of 1H MRS brain tumor data compared with a linear method. Methods In vivo single-voxel 1H magnetic resonance spectroscopy (55 patients) and 1H magnetic
Barrick, TR, Howe, FA, Raschke, F, Yang, G   +3 more
core   +1 more source

Value of MRI Outcomes for Preventive and Early‐Stage Trials in Spinocerebellar Ataxias 1 and 3

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To examine the value of MRI outcomes as endpoints for preventive and early‐stage trials of two polyglutamine spinocerebellar ataxias (SCAs). Methods A cohort of 100 participants (23 SCA1, 63 SCA3, median Scale for the Assessment and Rating of Ataxia (SARA) score = 5, 42% preataxic, and 14 gene‐negative controls) was scanned at 3T up ...
Thiago J. R. Rezende, Emilien Petit, Young Woo Park, Sophie Tezenas du Montcel, James M. Joers, Jonathan M. DuBois, H. Moore Arnold, Michal Povazan, Ipek Özdemir, Guita Banan, Romain Valabregue, Philipp Ehses, Jennifer Faber, Chiadi U. Onyike, Peter B. Barker, Jeremy D. Schmahmann, Eva‐Maria Ratai, Sub H. Subramony, Thomas H. Mareci, Khalaf O. Bushara, Henry Paulson, Thomas Klockgether, Alexandra Durr, Tetsuo Ashizawa, Christophe Lenglet, Gülin Öz, READISCA Investigators   +26 more
wiley   +1 more source

Manganese addition effect on structural and physical properties of calcium borovanadate glasses

Heliyon
New calcium borovanadate glass containing manganese ions within the system x Mn2O3-(30-x) V2O5-50 B2O3-20 CaO has been elaborated* in this work using melt quench process.
Ayoub Kaaouass, Abdelkader Ben Ali, Hassan Ait Ahsaine, Mimoun El Marssi, Abdelilah Lahmar, Mohamed Saadi   +5 more
doaj   +1 more source

Spectroscopic Characteristics of Highly Selective Manganese Catalysis in Acqueous Polyurethane Systems

Sensors, 2006
The latest investigations on producing more efficient catalytic aqueouspolyurethane systems are in the domain of metal complexes with mixed ligands.
Miroljub Barac, Miladin Gligoric, Milos B. Rajkovic, Jakov Stamenkovic, Goran Nikolic, Caslav Lacnjevac, Suzana Cakic   +6 more
doaj   +1 more source

Survey for Galaxies Associated with z~3 Damped Lyman alpha Systems I: Spectroscopic Calibration of u'BVRI Photometric Selection

, 2004
We present a survey for z~3 Lyman break galaxies (LBGs) associated with damped Lyman alpha systems (DLAs) with the primary purpose of determining the DLA-LBG cross-correlation.
Arthur M. Wolfe, Eric Gawiser, Ferreras I., Jason X. Prochaska, Jeff Cooke, Kauffman G., Peacock J. A.   +6 more
core   +2 more sources

Developmental and Epileptic Encephalopathy due to Biallelic Pathogenic Variants in PIGM

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective PIGM encodes a critical enzyme in the glycosylphosphatidylinositol (GPI)‐anchor biosynthesis pathway. While promoter‐region mutations in PIGM have been associated with a relatively mild phenotype characterized by portal vein thrombosis and absence seizures, recent evidence suggests that coding‐region mutations result in a more severe
Júlia Sala‐Coromina, Anna Marcé‐Grau, Barbara Masotto, Marta Codina, Lamia BenJemaa, Yasmina Elaribi, Mónica Martinez‐Gallo, Roger Colobran, Angel Sanchez‐Montañez, Irene Valenzuela, Yoshiko Murakami, Alfons Macaya   +11 more
wiley   +1 more source

Gemmological, Spectroscopic, and Origin Description Studies of Tourmaline from Yunnan, China

Molecules
The Nujiang region of Yunnan is by far the richest tourmaline-producing mining area in China. Since the discovery of the tourmaline-bearing deposit in Yunnan Province in 1980, there have been few comprehensive gemmological studies of this deposit ...
Qishen Zhou, Fangmin Zhan, Haochi Yu, Zhuo Lu, Xin Wan   +4 more
doaj   +1 more source

Effectiveness of rTMS on Working Memory and Inhibitory Impairments in Patients With Post‐Stroke Executive Deficits

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Considerable efforts have been dedicated to developing effective treatments for post‐stroke executive impairment (PSEI), among which repetitive transcranial magnetic stimulation (rTMS) has shown great potential. This study aimed to investigate the therapeutic effects of high‐frequency rTMS on working memory (WM) and response ...
Mengting Lao, Rongwei Du, Zhujun Wang, Yang Gao, Meiling Cheng, Xianglong Wang, Wen Wu   +6 more
wiley   +1 more source