The complexes of Co(II), Ni(II) and Cu(II) with N,N'-bis-[5-X-salicylidene]-4,4'-diaminodibenzyl, abbreviated as H2-XSalPDADB (X = -H, -CH3, -Br) have been synthesized and investigated by elemental analysis, electrical conductance, magnetic, spectral and thermal studies. The molar conductivity data indicate that the complexes are non-electrolytes. Analytical data support 1:1 (M:L) stoichiometry...

2014 Additional experimental evidence on the structural and dynamical similarity between proteins and glasses is provided by the analysis conducted on the ESR spectra, at different temperatures, of some copper proteins and of some Cu++-doped glasses formed by water and a second component (NaOH, DMSO, alcohols). All the spectra taken at temperatures below ~ 210 K display a significant gand A-str...

New tetradentate N(2)O(2) donor Schiff bases and their mononuclear Co(II), Ni(II), Cu(II), and Pd(II) complexes were synthesized and characterized extensively by IR, (1)H-, (13)C-NMR, mass, ESR, conductivity measurements, elemental and thermal analysis. Specifically the magnetic and electronic spectral measurements demonstrate the octahedral structures of cobalt(II), nickel(II) complexes and sq...

Background: Disease Activity Score-28 joints (DAS-28) is nowadays the gold standard for measuring the disease activity in patients with RA. The original DAS-28 was based on erythrocyte sedimentation (ESR), but an alternative formula incorporating C-reative protein (CRP) [DAS-28(CRP)] has been developed. Objectives: To compare the disease activity score DAS28-ESR versus DAS28–CRP, and to determi...

The model of Mason, Polnaszek, and Freed for ESR-slow-tumbling spectra is extended to the case of NMR line shapes for arbitrary tilt of the internal axis of relatively rapid rotation with respect to the principal axes of the chemical shielding tensor for a decoupled I = 1 / 2 nucleus. The theory is applied to an analysis of 31P NMR spectra from partially hydrated dipalmitoylphosphatidylcholine ...

A bidentate ligand derived from furan-2-aldehyde and nicotinic acid hydrazide was characterized through analytical and spectral studies. Mn(II), Co(II), Cu(II) and Zn(II) complexes of nicotinic acid furan-2-ylmethylene-hydrazide have been synthesized and characterized by molar conductance, elemental analysis, UV-Vis, IR, H NMR, C NMR and ESR studies. The above studies confirm the electrolytical...

The ESR spectra of dicupric human serum-transferrin (serum-Tf) were measured from -20 to 37°C in the liquid state (56% glycerol at pH 7.6). Two coordination geometries (types B-1 and B-2) with different ESR parameters were present at the N-site. The contents of the coordination geometry of type B-1 at the N-site increased as the temperature increased. The equilibrium constant between the coordi...

Erythrocyte acts as a scavenger. When reactive O2 species are produced beyond its antioxidant capacity, it loses its structural integrity resulting in aggregation. Thus, aggregation has been a useful marker to detect inflammatory state. This is assessed by slide test in this study, which was currently available indirectly through ESR. To test for erythrocyte aggregation by a slide test in myoca...

Introduction: Erythrocyte sedimentation rate (ESR) remains as one of the most reliable tests in clinical practices. Yet its use is time consuming and requires a large blood sample. The aim of this study was assessing a faster and reliable method of ESR estimation. Methods: An ESR estimation method was described and performed on 108 patients using capillary tube (micro ESR) and capillary periphe...