Results 1 to 10 of about 5,788 (158)

Study on Gemological Characteristics and Inclusions of Yellow Topaz

Crystals, 2022
Topaz is a kind of mineral with variable composition and a common gemstone variety. Because of its wide distribution and rich colors, it has attracted the attention of scholars around the world.
Zixiong Song, Qingfeng Guo, Libing Liao
doaj   +2 more sources

The TOPAZ study: a home-based trial of zoledronic acid to prevent fractures in neurodegenerative parkinsonism

npj Parkinson's Disease, 2021
The Trial of Parkinson’s And Zoledronic acid (TOPAZ, https://clinicaltrials.gov/ct2/show/NCT03924414 ) is a unique collaboration between experts in movement disorders and osteoporosis to test the efficacy of zoledronic acid, an FDA-approved parenteral ...
Caroline M. Tanner, Steven R. Cummings, Michael A. Schwarzschild, Ethan G. Brown, E. Ray Dorsey, Alberto J. Espay, Nicholas B. Galifianakis, Samuel M. Goldman, Irene Litvan, Nijee Luthra, Nikolaus R. McFarland, Kyle T. Mitchell, David G. Standaert, Douglas C. Bauer, Susan L. Greenspan, James C. Beck, Kenneth W. Lyles   +16 more
doaj   +2 more sources

F/OH ratio in a rare fluorine-poor blue topaz from Padre Paraíso (Minas Gerais, Brazil) to unravel topaz’s ambient of formation

Scientific Reports, 2021
Topaz [Al2SiO4(F,OH)2] is one of the main fluorine-bearing silicates occurring in environments where variably acidic (F)/aqueous (OH) fluids saturate the silicate system.
N. Precisvalle, A. Martucci, L. Gigli, J. R. Plaisier, T. C. Hansen, A. G. Nobre, C. Bonadiman   +6 more
doaj   +2 more sources

Chemical Analysis of Thermoluminescent Colorless Topaz Crystal Using Laser-Induced Breakdown Spectroscopy

Minerals (Basel, Switzerland), 2021
We present results of calibration-free laser-induced breakdown spectroscopy (CF-LIBS) and energy-dispersive X-ray (EDX) analysis of natural colorless topaz crystal of local Pakistani origin. Topaz plasma was produced in the ambient air using a nanosecond
Shahab Ahmed Abbasi, Taj Khan, Muhammad Rafique   +2 more
exaly   +2 more sources

Long-term efficacy and safety of alemtuzumab in participants with highly active MS: TOPAZ clinical trial and interim analysis of TREAT-MS real-world study

Therapeutic Advances in Neurological Disorders
Background: Alemtuzumab is a disease-modifying therapy for highly active relapsing-remitting multiple sclerosis (RRMS). Sustained efficacy up to 9 years was observed in the phase IIIb/IV open-label TOPAZ clinical trial and assessed in the real-world ...
Tjalf Ziemssen, Ann D. Bass, Bart Van Wijmeersch, Sara Eichau, Stephan Richter, Frank Hoffmann, Nicole M. Armstrong, Magdalena Chirieac, Janete Cunha-Santos, Barry A. Singer   +9 more
doaj   +2 more sources

UKESM-TOPAZ

Asia-Pacific Journal of Atmospheric Sciences, 2020
UKESM-TOPAZ version 1 data (Lee and Moon, 2020) - TOPAZ source code : TOPAZ_SRC.zip - Input and flux data - INPUT_MOM-TOPAZ.zip - depflux_total.mean.1860_orca1_month.nc.gz - Mineral_Fe_Flux_PI_orca1_month.nc.gz - ocean_topaz_airsea_flux_orca1.res.nc.gz - ocean_topaz_orca1_3d.res.nc.gz - par.orca1.nc.gz - restart_trc.3000yr.nc.bgc.merge_UKESM_rest2 ...
Lee, Hyomee, Moon, Byung-Kwon
openaire   +4 more sources

Topaz

Duke Visible Thinking, 2019
B. Xiong
semanticscholar   +3 more sources

Characterization of TL and CW-OSL signals of natural brazilian topaz with different colours

Brazilian Journal of Radiation Sciences, 2021
Topaz [Al2SiO4(OH,F)2] is usually found in nature and can presents different colours. The aim of this paper is to evaluate the thermoluminescence (TL) and the optically stimulated luminescence (OSL) response of five types of topaz collected from three ...
Matheus Fernando dos santos, Leonardo Bruno Ferreira de Souza, Viviane Khoury Asfora, Álvaro Barbosa de Carvalho Júnior, Vinicius Saito Monteiro de Barros, Pedro Luiz Guzzo, Helen Jamil Khoury   +6 more
doaj   +1 more source

Petrography and geochemistry of the topaz-bearing granite stocks in Artjärvi and Sääskjärvi, western margin of the Wiborg rapakivi granite batholith [PDF]

Bulletin of the Geological Society of Finland, 2002
The Artjärvi and Sääskjärvi granite stocks at the western margin of the Wiborg rapakivi batholith are multiphase rapakivi granite intrusions in which the most evolved phase is topaz-bearing granite.
S. Lukkari
doaj   +1 more source

Analysis of the possibility of irradiation-induced coloring of topaz in the WWR-K reactor

Вестник. Серия физическая, 2021
Nowadays, radiation technologies are widely used in industry, medicine and other fields. One of the particular cases of application of such technologies is the irradiation-induced coloring of topaz.
M. Aitkulov, D. Dyussambayev, А. Akhanov, К. Kisselyov, Zh. Bugybay, N. Romanova, Sh. Gizatulin, А. Shaimerdenov, D. Nakipov   +8 more
doaj   +1 more source