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Flexible, wearable X-ray detector doesn’t require heavy metals
X ray imaging MOF Medical imaging
2021/8/6
X-ray imaging is a fast and painless way for doctors to see inside a person. But radiation detectors, which go under the body part being imaged, are rigid panels that contain harmful heavy metals, suc...
Studies of Crystalline Aggregates of Pheophorbide and Bacteriopheophorbide by Electro-Absorption (Stark Effect) Spectroscopy and Powder X-ray Diffraction
GYROTRON 2ND HARMONIC SUBMILLIMETER WAVE
2016/5/23
Absorption and electro-absorption (Stark effect) spectra of polycrystalline and lyophillized samples of pheophorbides and bacteriopheophorbides have been measured in order to obtain information on the...
Experimental Verification of the Chemical Sensitivity of Two-Site Double Core-Hole States Formed by an X-ray FEL
Experimental Verification Chemical Sensitivity Two-Site Double Core-Hole States X-ray FEL
2012/5/17
We have performed X-ray two-photon photoelectron spectroscopy (XTPPS) using the Linac Coherent Light Source (LCLS) X-ray free-electron laser (FEL) in order to study double core-hole (DCH) states of CO...
Role of quantum nuclei and local fields in the x-ray absorption spectra of water and ice
Role of quantum nuclei local fields the x-ray absorption spectra of water and ice Chemical Physics
2012/4/19
We calculate the x-ray absorption spectra of liquid water at ambient conditions and of hexagonal ice close to melting, using a static GW approach that includes approximately local field effects. Quant...
E)--2--acetyl--4--(4--methoxyphenyldiazenyl) phenol: X--ray and DFT--calculated structure
Diazeny X-ray IR DFT
2011/4/6
The crystal structure of the title compound, (E)-2-acetyl-4-(4-methoxyphenyldiazenyl) phenol, displays a trans configuration of the azo moiety as found for other azo (diazene) derivatives. The aromati...
Synthesis and characterisations of some new 2,4-dihydro-[1,2,4]- triazol-3-one derivatives and X-ray crystal structures of 4-(3-phenylallylideneamino)-5-thiophen-2-yl-methyl-2,4-dihydro-[1,2,4]triazol-3-one
bromo acetophenone X-ray crystallography antimicrobial activity
2010/12/3
Compounds 2 were synthesised via the reaction of 4-amino-5-thiophen-2-yl-methyl-2,4-dihydro-[1,2,4]-triazol-3-one (1) with aldehydes. Compounds 3 and 4 were obtained from compounds 2 with bromo acetop...
Synthesis and Characterizations of Some New 2,4-Dihydro-[1,2,4]-triazol-3-one Derivatives and X-Ray Crystal Structures of 4-(3-Phenyl allidene amino)-5-thiophen-2-yl-methyl-2,4-dihydro-[1,2,4]triazol-3-one
1,2,4-Triazole aldehydes ethyl bromoacetate bromo acetophenone
2010/10/19
Compounds 2 were synthesised via the reaction of 4-amino-5-thiophen-2-yl-methyl-2,4-dihydro-[1,2,4]-triazol-3-one (1) with aldehydes. Compounds 3 and 4 were obtained from compounds 2 with bromo acetop...
(E)-3-[(3-(Trifluoromethyl)phenylimino)methyl] benzene-1,2-diol: X-ray and DFT calculated structures
Schiff bases phenol-imine X-ray crystal structure IR DFT
2010/10/18
The crystal structure of (E)-3-[(3-(Trifluoromethyl)phenylimino)- methyl]benzene-1,2-diol was determined using X-ray diffraction and the molecular structure was investigated with density functional th...
Quantitative Estimation Methods for Concentrations and Layer Thicknesses of Elements Using Edge-jump Ratios of X-ray Absorption Spectra
Quantitative Estimation Methods Concentrations Layer Thicknesses Elements Using Edge-jump Ratios of X-ray Absorption Spectra
2010/9/17
This work concerns the development of quantitative estimation techniques using the K edge-jump ratio of X-ray absorption spectrum recorded through total-electron-yield measurements. The three methods ...
X-ray Fluorescence Analysis of Cr6+ Component in Mixtures of Cr2O3 and K2CrO4
X-ray Fluorescence Analysis Cr6+ Component in Mixtures of Cr2O3 and K2CrO4
2010/9/17
X-ray fluorescence analysis using Cr Kα spectra was applied to the determination of the mixing ratio of Cr6+ to (Cr6+ + Cr3+) in several mixtures of K2CrO4 and Cr2O3. Because the powder of K2CrO4 cont...
Development of the Hard-X-ray Angle Resolved X-ray Photoemission Spectrometer for Laboratory Use
X-ray Photoemission Spectrometer Laboratory Use
2010/9/17
This article reports development of a practical laboratory hard X-ray photoelectron spectroscopy (HXPS) system by combining a focused monochromatic Cr Kα X-ray source, a wide angle acceptance objectiv...
Determination of Surface Composition by X-ray Photoelectron Spectroscopy Taking into Account Elastic Photoelectron Collisions
Surface Composition X-ray Photoelectron Spectroscopy Taking into Account Elastic Photoelectron Collisions
2010/9/17
It is now well known that elastic photoelectron scattering in the surface region of solids cannot be ignored in the mathematical formalism of quantitative XPS. Elastic collisions may increase or decre...
Determination of the host phase of rare earth elements in natural carbonate using X-ray absorption near-edge structure
rare earth elements yttrium XANES carbonate
2017/8/9
The Y K-edge X-ray absorption near-edge structure (XANES) spectra of various materials were measured to investigate whether rare earth elements (REEs) are incorporated in carbonate phase or in other m...
[Pd(Me-Xanthate)2]: Synthesis, Characterization, and X-Ray Structure
Palladium(II) xanthate spectroscopy X-ray structure
2010/4/9
Potassium methyl xanthate and its complex [Pd(Me-Xanthate)2] were synthesized at room temperature under stirring conditions. The ligand and the complex were characterized by elemental analysis, IR, NM...
Synthesis and X-Ray Structural Studies of Amino Acids Half Sandwich Complexes of Osmium(II)
Osmium X-Ray studies N ligands Amino acids Half sandwich Complexes
2010/4/16
The amino acids complexes of osmium(II), i.e. [Os(h 6-p-cymene)(h1-N-(rac)-phenylglycine methyl ester)Cl2] (A) and [Os(h 6-p-cymene) (h1-N,N'-(S)-phenylalanine amido) Cl] (B), were prepared by an ultr...