نتایج جستجو برای: biimidazole ligand

تعداد نتایج: 107609  

ت. مگ, ژول, تکجو, رضا, محجوبی‌زاده, میلاد,

Mixed-ligand Cu(II) complex was prepared by reaction of salicylaldehyde S-benzylisothiosemicarbazone hydrogenchloride ligand (H2L), Cu(ACo)2.H2O and 1,10-phenanthroline with general formulas [Cu(Phen)2Cl].H2L,Cl,H2O. Its structure was fully characterized by elemental analysis and IR method and single crystal diffraction was also used to better understanding of the molecular structure of the Cu(...

Journal: :American Journal of Physics 2021

The phenomenon of molecular binding, where two molecules, referred to as a receptor and ligand, bind together form ligand-receptor complex, is ubiquitous in biology essential for the accurate functioning all life-sustaining processes. probability single forming complex with any one L surrounding ligand molecules at thermal equilibrium can be derived from partition function obtained Gibbs-Boltzm...

Journal: :Science China Physics, Mechanics & Astronomy 2021

Cell adhesion on a supported lipid bilayer (SLB) functionalized with ligand proteins is widely-used cell-mimetic model for the study of trans receptor-ligand interaction that mediates adhesion, and has been shown to play an important role in unravelling molecular players cell adhesion. Experimental studies such cell-SLB systems often assume there no cis interactions between ligands. An question...

Journal: :Physical Review X 2022

A new theory of ligand-receptor bonds in biological cells that accounts for membrane fluctuations reveals an orders-of-magnitude increase binding rates and the range over which a receptor can recognize its ligand.

Journal: :journal of physical & theoretical chemistry 2012
m. h. fekri m. darvishpour

a pvc membrane ni(ii) ion selective electrode has been constructed using (1e,2e)-bis(2-aminophenyl)n'1,n'2-dihydroxyethanebis as membrane carrier. the electrode exhibited a goodpotentiometric response for ni(ii) over a wide concentration range 1.0×10-4 to 1.0×10-1m with aslope of 29.4±0.5 mv/decade a and a working ph range of 6.5-9.0. it had a fast response time of≤20s. the best performance was...

Journal: :journal of the iranian chemical research 0
afsaneh amiri department of chemistry, islamic azad university, central tehran branch, tehran, iran mahshid nikpour nezhati department of chemistry, islamic azad university, central tehran branch, tehran, iran

synthesis and cation selectivity of 25, 27, dipropoxy-26, 28, di-propoxy 5, 11, 17, 23, ptert-butyl calix[4]arene are studied in acetonitrile solution. the stability constants of differentcomplexes of calixarene (as a ligand) with alkali metal cations are determined at 25 °c by usingspectrophotometric technique.on the basis of calculations, complexation of calixarene with cs+and li+ are more fa...

Journal: :journal of physical and theoretical chemistry 0
m. h. fekri - m. darvishpour -

a pvc membrane ni(ii) ion selective electrode has been constructed using (1e,2e)-bis(2-aminophenyl)n'1,n'2-dihydroxyethanebis as membrane carrier. the electrode exhibited a goodpotentiometric response for ni(ii) over a wide concentration range 1.0×10-4 to 1.0×10-1m with aslope of 29.4±0.5 mv/decade a and a working ph range of 6.5-9.0. it had a fast response time of≤20s. the best perfo...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2004
ram k. agarwal surendra prasad n.k. sharma

the present work describes the studies on the coordination behaviour of 4[n-(benzalidene) amino]antipyrine semicarbazone (baaps) (i), 4[n-(furfural)amino]antipyrine semicarbazone (ffaaps) (ii) and 4[n-(cinnamalidene)amino]antipyrine semicarbazone (caaps) (iii) in presence of dimethyl sulfoxide (dmso) or diphenyl sulfoxide (dpso) towards th4+ and uo22+ salts. all the complexes were isolated in n...

Journal: :research in pharmaceutical sciences 0
ayyub mojaddami 1department of medicinal chemistry and pharmaceutical sciences research centre, school of pharmacy, shiraz university of medical sciences, shiraz, i.r. iran. amirhossein sakhteman 1department of medicinal chemistry and pharmaceutical sciences research centre, school of pharmacy, shiraz university of medical sciences, shiraz, i.r. iran. masood fereidoonnezhad 2department of medicinal chemistry, school of pharmacy, ahvaz jundishapur university of medical sciences, ahvaz, i.r. iran. zeinab faghih 1department of medicinal chemistry and pharmaceutical sciences research centre, school of pharmacy, shiraz university of medical sciences, shiraz, i.r. iran. atena najdian 3department of nuclear pharmacy, school of pharmacy, tehran university of medical sciences, tehran, i.r. iran. soghra khabnadideh 1department of medicinal chemistry and pharmaceutical sciences research centre, school of pharmacy, shiraz university of medical sciences, shiraz, i.r. iran.

aromatase inhibitors (ais) as effective candidates have been used in the treatment of hormone-dependent breast cancer. in this study, we have proposed 300 structures as potential ais and filtered them by lipinski’s rule of five using druglito software. subsequently, they were subjected to docking simulation studies to select the top 20 compounds based on their gibbs free energy changes and also...

Journal: :Inorganic chemistry frontiers 2022

Herein, the pyridinophane tetradentate ligand PyNMe 3 is used to isolate and structurally characterize well-defined organometallic Ni( ii ) iii complexes bearing cycloneophyl fragment, an alkyl/aryl C-donor ligand.

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