Results 111 to 120 of about 166,763 (371)

High-temperature oxygen non-stoichiometry, conductivity and structure in strontium-rich nickelates La2-xSrxNiO4-\delta (x = 1 and 1.4)

open access: yes, 2008
Oxygen nonstoichiometry, electrical conductivity and thermal expansion of La2 xSrxNiO4-\delta phases with high levels of strontium substitution (1 =< x =< 1.4) have been investigated in air and oxygen atmosphere in the temperature range 20-1050 degrees C.
Bassat   +15 more
core   +3 more sources

Radiotherapy medical physics in the Philippines: A contemporary overview

open access: yesJournal of Applied Clinical Medical Physics, EarlyView.
Abstract Purpose With cancer ranking as the third leading cause of death in the Philippines and a disparity in healthcare resources across regions, this research aimed to assess the state of radiotherapy medical physics in the country. Methodology The study utilized a comprehensive online survey with 94 structured questions answered by 19 clinics ...
John Paul C. Cabahug   +4 more
wiley   +1 more source

Low-dose strontium stimulates osteogenesis but high-dose doses cause apoptosis in human adipose-derived stem cells via regulation of the ERK1/2 signaling pathway

open access: yesStem Cell Research & Therapy, 2017
Background Strontium is a widely used anti-osteoporotic agent due to its dual effects on inhibiting bone resorption and stimulating bone formation. Thus, we studied the dose response of strontium on osteo-inductive efficiency in human adipose-derived ...
Abudousaimi Aimaiti   +5 more
doaj   +1 more source

Remote Stimulated Triggering of Quantum Entangled Photoluminescent Molecules of Strontium Aluminate [PDF]

open access: yesarXiv, 2005
We report experiments in which two photoluminescent samples of Strontium Aluminate pigments and Zinc Sulfide pebbles were quantum entangled via photoexcitation with entangled photons from a mercury lamp and a CRT screen. After photo-excitation, remote triggering of one of the sample with infrared (IR) photons yielded stimulated light variation from the
arxiv  

Mitochondrial DNA disorders in neuromuscular diseases in diverse populations

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
Abstract Neuromuscular features are common in mitochondrial DNA (mtDNA) disorders. The genetic architecture of mtDNA disorders in diverse populations is poorly understood. We analysed mtDNA variants from whole‐exome sequencing data in neuromuscular patients from South Africa, Brazil, India, Turkey and Zambia. In 998 individuals, there were two definite
Fei Gao   +34 more
wiley   +1 more source

Strontium ranelate in postmenopausal osteoporosis treatment: a critical appraisal

open access: yesInternational Journal of Women's Health, 2009
Roberto Cesareo1, Clemente Napolitano1, Mario Iozzino21Department of Internal Medicine, 2Department of Radiology, S.M. Goretti Hospital, Latina, ItalyAbstract: Osteoporosis is a progressive and debilitating disease characterized by a massive bone loss ...
Roberto Cesareo   +2 more
doaj  

Exploring the Potential of Sr2+ for Improving the Post-Hardening Strength and Durability Characteristics of Cement Paste Composites

open access: yesApplied Sciences
This study investigates the effects of strontium ions on enhancing the post-hardening strength and durability characteristics of hydrated cement composites, exploring their potential use as a rehabilitation method for aging concrete structures.
Byoung Hooi Cho
doaj   +1 more source

Rb-sr ages of chondrules and carbonaceous chondrites [PDF]

open access: yes
Rubidium-strontium and potassium-strontium isotope composition of carbonaceous chondrites and chondrules - age of carbonaceous ...
Compston, W., Murthy, V. R.
core   +1 more source

Structure of the Alkali-metal-atom-Strontium molecular ions: towards photoassociation and formation of cold molecular ions

open access: yes, 2011
The potential energy curves, permanent and transition dipole moments, and the static dipolar polarizability, of molecular ions composed of one alkali-metal atom and a Strontium ion are determined with a quantum chemistry approach.
M. Aymar   +3 more
core   +1 more source

FGF14 GAA Intronic Expansion in Unsolved Adult‐Onset Ataxia in the Care4Rare Canada Consortium

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background and Objectives Spinocerebellar ataxias (SCA) represent a clinically and genetically heterogeneous group of progressive neurodegenerative diseases with prominent cerebellar atrophy. Recently, a novel pathogenic repeat expansion in intron 1 of FGF14 was identified, causing adult‐onset SCA (SCA27B). We aimed to determine the proportion
Alexanne Cuillerier   +20 more
wiley   +1 more source

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