Results 21 to 30 of about 2,274 (251)

Insight into the structure of black coatings of ancient Egyptian mummies by advanced electron magnetic resonance of vanadyl complexes [PDF]

Magnetic Resonance, 2022
Ancient Egyptian mummies from the Late Period to the Greco–Roman Period were covered by a black coating consisting of complex and heterogeneous mixtures of conifer resins, wax, fat and oil with variable amounts of bitumen. Natural bitumen always contains
C. E. Dutoit, L. Binet, H. Vezin, O. Anduze, A. Lattuati-Derieux, D. Gourier   +5 more
doaj   +1 more source

High-Field (3.4 T) ENDOR Investigation of Asphaltenes in Native Oil and Vanadyl Complexes by Asphaltene Adsorption on Alumina Surface

Geofluids, 2019
Vanadyl porphyrin complexes in asphaltenes from heavy (Karmalinskoye) oil and in asphaltene films obtained as a result of adsorption on the surface of aluminum oxide were studied by electron paramagnetic resonance (EPR) and double electron-nuclear ...
Marat Gafurov, Georgy Mamin, Irina Gracheva, Fadis Murzakhanov, Yulia Ganeeva, Tatiana Yusupova, Sergei Orlinskii   +6 more
doaj   +1 more source

Syntheses and Electrochemical and EPR Studies of Porphyrins Functionalized with Bulky Aromatic Amine Donors

Molecules, 2023
A series of nickel(II) porphyrins bearing one or two bulky nitrogen donors at the meso positions were prepared by using Ullmann methodology or more classical Buchwald–Hartwig amination reactions to create the new C-N bonds.
Mary-Ambre Carvalho, Khalissa Merahi, Julien Haumesser, Ana Mafalda Vaz Martins Pereira, Nathalie Parizel, Jean Weiss, Maylis Orio, Vincent Maurel, Laurent Ruhlmann, Sylvie Choua, Romain Ruppert   +10 more
doaj   +1 more source

17O hyperfine spectroscopy in surface chemistry and catalysis

Journal of Magnetic Resonance Open, 2023
Oxide-based materials are of key technological importance in different areas including advanced functional materials, solid state chemistry and catalysis.
Yu-Kai Liao, Paolo Cleto Bruzzese, Enrico Salvadori, Mario Chiesa   +3 more
doaj   +1 more source

Moderne methodische Entwicklungen in der Elektronenspinresonanz-Spektroskopie

CHIMIA, 1986
Electron spin resonance ( ESR) is extensively used in various fields of research as a powerful toolfor the determination of molecular structures ofparamagnetic compounds.
Arthur Schweiger
doaj   +1 more source

Superhyperfine interactions in Ce3+ doped LiYF4 crystal: ENDOR measurements [PDF]

Magnetic Resonance in Solids, 2017
The first observation of the resolved Mims electron-nuclear double resonance (ENDOR) spectra from the nearby and remote nuclei of 19F and 7Li nuclei on impurity Ce3+ ions in LiYF4 crystal is reported. It shows that LiYF4:Ce3+ system can be exploited as a
M.R. Gafurov, G.V. Mamin, I.N. Kurkin, A.A. Rodionov, S.B. Orlinskii   +4 more
doaj  

Determining the Safety and Effectiveness of ENDOR Oral Combination Drug in the Treatment of Patients With COVID-19: A Randomized Controlled Trial

Acta Medica Iranica
The novel coronavirus caused by SARS-CoV-2 is still a public health concern as it can have dire consequences. Anti-inflammatory drugs are promising. Therefore, this study aimed to determine the safety and effectiveness of the ENDOR oral combination drug
Minoo Mohraz, Seyed Ehsan Kazerooni, Arash Seifi, Seyed Ali Dehghan Manshadi, Seyed Ahmad SeyedAlinaghi, Fereshteh Shahmari Golestan, Samaneh Nikkhoo, Alireza Abdollahi, Sirous Jafari, Mahdokht Hajrahimi   +9 more
doaj   +1 more source

Incorporation of Manganese (II) in Beta-Tricalcium Phosphate from EPR and ENDOR Measurements for Powders

Ceramics, 2022
Powders of β-tricalcium phosphate (β-TCP, Ca3PO4) doped with manganese (Mn2+) are comprehensively analyzed with electron paramagnetic resonance (EPR) and electron-nuclear double resonance (ENDOR) techniques.
Fadis F. Murzakhanov, Anna A. Forysenkova, Inna V. Fadeeva, Georgy V. Mamin, Marat R. Gafurov   +4 more
doaj   +1 more source

Implementasi Metode Gray Level Co-occurrence Matrix dalam Identifikasi Jenis Daun Tengkawang

Jurnal Nasional Teknik Elektro dan Teknologi Informasi, 2018
Tengkawang or known as Borneo tallow nut is now difficult to find due to unsustainable forestry practices and high levels of forest destruction. The method used in this research was pattern recognition.
Rahmat Robi Waliyansyah, Kusworo Adi, Jatmiko Endor Suseno   +2 more
doaj   +1 more source

A Proton ENDOR Study of Azurin [PDF]

Applied Magnetic Resonance, 2009
As part of our ongoing project that aims at the optimum characterization of the electronic structure of the blue-copper site of azurin from Pseudomonas aeruginosa, we present the complete hyperfine tensors of the protons bound to the Cbeta atom of the copper-bound cysteine 112.
Sottini, S., Gast, P., Blok, A., Canters, G.W., Cavazzini, D., Rossi, G., Groenen, E.J.J.   +6 more
openaire   +3 more sources