Results 11 to 20 of about 289 (164)

Human Epididymis Protein 4 Promotes Events Associated with Metastatic Ovarian Cancer via Regulation of the Extracelluar Matrix [PDF]

open access: yesFrontiers in Oncology, 2018
Human epididymis protein 4 (HE4) has received much attention recently due to its diagnostic and prognostic abilities for epithelial ovarian cancer.
Jennifer R. Ribeiro   +10 more
doaj   +2 more sources

TAF4b Regulates Oocyte-Specific Genes Essential for Meiosis. [PDF]

open access: yesPLoS Genetics, 2016
TAF4b is a gonadal-enriched subunit of the general transcription factor TFIID that is implicated in promoting healthy ovarian aging and female fertility in mice and humans. To further explore the potential mechanism of TAF4b in promoting ovarian follicle
Kathryn J Grive   +8 more
doaj   +2 more sources

Mineral chemistry, mineralogy and the behavior of trace and rare earth elements of tourmaline in pegmatites of Tashina area (North of Serkan, Hamedan Province) [PDF]

open access: yesپترولوژی, 2021
Tashina area, as a part of the Sanandaj- Sirjan magmatic- metamorphic Zone, located 10 kilometers north of Serkan city and on the southern slope of Kuhe- Gavbar.
SeyedVahid Shahrokhi, Reza Zareisahamieh
doaj   +1 more source

Infrared spectra study of the Moslavačka Gora (Croatia) tourmalines O-H stretching region: Inference of fluid involvement in the Late Cretaceous igneous evolution of a complex Adria-Europe convergence zone [PDF]

open access: yesGeološki Anali Balkanskoga Poluostrva, 2023
Infrared spectra (IR) in the O-H stretching region were recorded for natural tourmalines from the magmatic and magmatic-hydrothermal systems of Moslavačka Gora (Croatia).
Balen Dražen, Petrinec Zorica
doaj   +1 more source

Determination of trace element profiles in coarse-grained minerals by external millibeam PIXE - A schorl tourmaline study [PDF]

open access: yesBulletin of the Geological Society of Finland, 1995
The thick-target PIXE technique was applied to direct analysis of trace elements in tourmaline minerals. Analyses of these minerals with conventional wet-chemical methods are difficult and time consuming.
A. Lindroos   +4 more
doaj   +1 more source

Kinetics and optimization on discoloration of dyeing wastewater by schorl-catalyzed fenton-like reaction [PDF]

open access: yesJournal of the Serbian Chemical Society, 2014
Kinetics and optimization on the discoloration of an active commercial dye, Argazol Blue BFBR (ABB) by heterogeneous Fenton-like reaction catalyzed by natural schorl were investigated in this study. Kinetic investigations revealed that the first-
Xu Huan-Yan   +5 more
doaj   +1 more source

Appearance, study and a possible correction for boron: a phenomenon in ultra-soft X-ray measurements using a synthetic multilayer crystal and the EPMA [PDF]

open access: yesEuropean Journal of Mineralogy, 2023
When measuring boron (B) in tourmalines calibrated with schorl, no deviations in the peak intensities could be detected with a proven analysis protocol and using the Mo/B4C multilayer crystal LDEB.
F. D. H. Wilke
doaj   +1 more source

Geochemistry and source of tourmaline from the Soheyle-Pakuh granitoid body (North of Nain) [PDF]

open access: yesپترولوژی, 2018
The Oligocene Soheyle Pakuh granitoid body is located in the Urumieh- Dokhtar zone, which composed predominately of granodiorite, diorite and granite with mafic, aplite dikes and iron-tourmaline veins.
Mahin Mansouri Esfahani   +1 more
doaj   +1 more source

Investigation on tourmaline occurrence in the metamorphic complex in the north of Golpayegan, Sanandaj-Sirjan Zone [PDF]

open access: yesپترولوژی, 2022
The occurrence of tourmaline in the metamorphic complex of the north of Golpayegan is observed within the granitoid mass and schists in contact with granitoid and marbles.Speaking of abundance, tourmaline is less frequently a minor mineral found in ...
Solomon Ahmadi Bonakdar   +2 more
doaj   +1 more source

The spectrophotometric determination of boron in tourmalines [PDF]

open access: yesJournal of the Serbian Chemical Society, 2005
A procedure for the spectrophotometric determination of macro amounts of boron in tourmaline with azomethine H is described. The used tourmaline concentrate was obtained by magnetic separation and heavy-liquids purification of the schorl zone of ...
Jakšić Ljiljana N.
doaj   +3 more sources

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