نتایج جستجو برای: pd complex

تعداد نتایج: 838442  

An anti-tumor compound as N3-{phenyl [(4-pyridylcarbonyl) amino] methyl} weresynthesized and identified (NPPA). Fe (III), Co(II) and Pd(II) metal complexes of this ligand preparedby reaction of chloride salt of Fe (III), Co(II) and Pd(II) with NPPA in dry acetonitrile. Identification andCharacterization of the ligand was performed by FT-IR, 1H-NMR spectroscopy and elemental an...

2013
Louise Nicole Dawe Bibhutosh Adhikary Julie L. Collins C. Robert Lucas

The asymmetric unit of the title compound, [Pd(C22H26N2O2S3)]2·CH3CN, contains two complex mol-ecules and a single uncoordinated lattice aceto-nitrile solvent mol-ecule. The Pd(II) cations have a trans-N2O2 square-planar geometry and the superposition of the two crystallographically independent Pd(II) complexes yields an overall r.m.s. deviation of 0.292 Å. The Pd⋯Pd separation in the asymmetri...

Journal: :Journal of the American Chemical Society 2011
Nattawan Decharin Shannon S Stahl

Benzoquinone (BQ) and O(2) are among the most common stoichiometric oxidants in Pd-catalyzed oxidation reactions. The present study provides rare insights into mechanistic differences between BQ and O(2) in their reactivity with a well-defined Pd-hydride complex, Pd(IMes)(2)(H)(O(2)CPh) (1). BQ promotes the reductive elimination of PhCO(2)H from 1 and catalyzes the formation of a Pd(II)-OOH com...

2014
Matthew NJ Seaman Caroline L Freeman

The retromer complex mediates endosomal protein sorting by concentrating membrane proteins (cargo) into nascent tubules formed through the action of sorting nexin (SNX) proteins. The WASH complex is recruited to endosomes by binding to the VPS35 subunit of retromer and facilitates cargo protein sorting by promoting formation of endosomally-localized F-actin. The VPS35 protein is mutated in Park...

Journal: :iranian journal of radiology 0
hamed naghibi school of allied medical sciences, shahid beheshti university of medical sciences,tehran, iran hedayatolah soroush advanced diagnostic and interventional radiology research center (adir), tehran university of medical sciences, tehran, iran fariborz faeghi radiology technology department, school of allied medical sciences, shahid beheshti university of medical sciences,tehran, iran; radiology technology department, school of allied medical sciences, shahid beheshti university of medical sciences, tehran, iran madjid shakiba advanced diagnostic and interventional radiology research center (adir), tehran university of medical sciences, tehran, iran amir reza farhoud department of orthopedics, imam hospital complex, tehran university of medical sciences (tums), tehran, iran hassan hashemi advanced diagnostic and interventional radiology research center (adir), tehran university of medical sciences, tehran, iran

conclusion high-resolution mr images of the wrist using 3d t2space, pd blade and t2 blade were superior to those using conventional sequences quantitatively. high-snr and cnr mr imaging with space and blade would be a promising method to diagnose wrist lesions. results snr of the cartilage, tfcc on 3d t2space and t1 fse was better than other sequences (p < 0.001). snr of the bone on pd blade wa...

2016
Daniel J. Cameron Kristen A. Pickett Gammon M. Earhart Jessica A. Grahn

Parkinson's disease (PD) adversely affects timing abilities. Beat-based timing is a mechanism that times events relative to a regular interval, such as the "beat" in musical rhythm, and is impaired in PD. It is unknown if dopaminergic medication influences beat-based timing in PD. Here, we tested beat-based timing over two sessions in participants with PD (OFF then ON dopaminergic medication) a...

Journal: :Clinical medicine 2016
Anna Sauerbier Mubasher A Qamar Thadshani Rajah K Ray Chaudhuri

Parkinson's disease (PD) was first described by James Parkinson in 1817. He noted the complex nature of this condition and that non-motor symptoms (NMS) underpinned the classic motor symptoms of PD. The concept of what PD is has therefore undergone substantial changes and it is now recognised that PD is a combined motor and non-motor syndrome and NMS are present during the prodromal phase of PD...

Journal: :Microporous and Mesoporous Materials 2021

Thermal treatment of the Pd complex bearing triphenylphosphine (PPh3) and acetate as ligands (bis(triphenylphosphine)palladium(II) diacetate, Pd(PPh3)2(OAc)2) in toluene resulted formation aggregated nanoparticles (Pd-NPs). The dispersion could be achieved after addition *BEA zeolite during thermal Pd(PPh3)2(OAc)2 (Pd/*BEA). Further, Suzuki cross-coupling was performed on prepared catalysts uti...

Journal: :Analytical chemistry 1995
X Tang J H Callahan P Zhou A Vertes

Positive ion mode matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) was used to explore nonspecific interactions between proteins and oligonucleotides. The formation of noncovalent complexes showed correlation with the type of oligonucleotide bases and with the amino acid composition of the proteins. Among the four DNA homooligomers, abundant protein-nucleic acid complexe...

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