Results 31 to 40 of about 332,106 (256)
Mineralogical Characteristics and Colouration Mechanism of Blue Opals from Peru
Yankuang ceshi, 2017 In recent years, the study of blue opal has been limited to the mineral composition and coloration mechanism. However, the chemical composition, infrared spectrum, and Raman spectrum of the blue opal have not been studied in details.
XING Ying-ying, QI Li-jian, WANG Hai-tao
doaj +1 more source
PREPARATION, IDENTIFICATION AND BIOLOGICAL PROPERTIES OF NEW FLUORIDE NANOCOMPOUNDS [PDF]
, 2016 Indexación: Web of Science; Scopus.Nanoparticles (NPs) of new fluoride (SrF2 and MgF2) nanocompounds were synthesized by the simple chemical method of precipitation in ethanol.
Abdolmaleki, B +6 more
core +2 more sources
Insights into Sulfhemoglobin Detection: UV-Vis and Fluorescence Spectroscopy Correlations
Journal of Chemistry, 2023 The mechanisms by which drugs and several sulfur chemicals induce sulfhemoglobin formation have not yet been elucidated. However, enzymes producing hydrogen sulfide in mammalian tissues and organs suggest sulfhemoglobin and sulfmyoglobin formation ...
Lysmarie Santos-Velázquez +1 more
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Cailiao gongcheng, 2018 In order to prepare highly crystalline and stable metal-organic frameworks (MOFs) nanoparticles in a straightforward and low cost method, trimesic acid was depronated by three equivalent NaOH in water, and mixed with ferrous salts (e.g. FeCl2 and Fe(OAc))
LIU Xiang-yue +6 more
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Studi Penggunaan Uv-vis Spectroscopy Dan Kemometrika Untuk Mengidentifikasi Pemalsuan Kopi Arabika Dan Robusta Secara Cepat [PDF]
, 2017 There are two popular coffees in Indonesia, namely Arabica and Robusta coffees. Arabica coffee has a better quality than Robusta do. This research aimed to identify the purity of Arabica coffee; and Robusta as mixture ingredient, by using technology of ...
Iriani, R. (Riri) +4 more
core
Structural biology of ferritin nanocages
FEBS Letters, EarlyView.Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley +1 more source
Synthesis of core/shell quantum dots for diagnostic [PDF]
, 2014 In this paper, synthesis of colloidal core and core/shell quantum dots (QDs) was described. First, CdTe QDs capped with glutathione, thioglycolic or mercaptopropionic acid were prepared in aqueous phase, and used for synthesis of colloidal core/shell ...
Mihajlovic, A.
core
Molecular Oncology, EarlyView.Glioma cells mainly express the endothelin receptor EDNRB, while EDNRA is restricted to a perivascular tumor subpopulation. Endothelin signaling reduces glioma cell proliferation while promoting migration and a proneural‐to‐mesenchymal transition associated with poor prognosis. This pathway activates Ca2+, K+, ERK, and STAT3 signalings and is regulated
Donovan Pineau +36 more
wiley +1 more source
Bulletin of the Chemical Society of Ethiopia, 2018 A Mn2O3/Al2O3/Fe2O3 nanocomposite photocatalyst was prepared by a co-precipitation method. Flame atomic absorption spectroscopy (FAAS), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning electron microscope (SEM), and UV ...
N. R. Habib, A. M. Taddesse, A. Temesgen
doaj +1 more source
In Situ Water Quality Monitoring Using an Optical Multiparameter Sensor Probe
Sensors, 2023 Optical methods such as ultraviolet/visible (UV/Vis) and fluorescence spectroscopy are well-established analytical techniques for in situ water quality monitoring.
Tobias Goblirsch +4 more
doaj +1 more source