Found 9617 Results / Page 465 of 481
2007 / Biophysical Chemistry
Cationic liposomes give rise to stable complexes with DNA molecules (lipoplexes) that are of great interest for gene delivery applications.… Continue reading DOTAP/DOPE and DC-Chol/DOPE lipoplexes for gene delivery studied by circular dichroism and other biophysical techniques
2007 / Biochimica et Biophysica Acta-General Subjects
Human α1-acid glycoprotein (AGP) is an important drug binding plasma protein which affects pharmacokinetical properties of various therapeutic agents. For… Continue reading The drug binding site of human α1-acid glycoprotein: Insight from induced circular dichroism and electronic absorption spectra
2007 / Analytica Chimica Acta
Multivariate curve resolution with alternating least squares (MCR-ALS) is applied for the first time to the simultaneous analysis of electrochemical… Continue reading Multivariate curve resolution applied to the simultaneous analysis of electrochemical and spectroscopic data: Study of the Cd(II)/glutathione-fragment system by voltammetry and circular dichroism spectroscopy
2007 / Biochemical and Biophysical Research Communications
It is noteworthy that the formation of the DNA G-quadruplex is induced by factors other than stabilizing cations because this… Continue reading Circular dichroism spectra demonstrate formation of the thrombin-binding DNA aptamer G-quadruplex under stabilizing-cation-deficient conditions
2007 / Vibrational Spectroscopy
The non-covalent interactions of (dG-dC)10 and (dA-dT)10 with 5,10,15,20-tetrakis(1-methylpyridinium-4-yl)porphyrin (TMPyP) were studied using the combination of electronic circular dichroism (ECD), vibrational circular… Continue reading Electronic and vibrational circular dichroism spectroscopic study of non-covalent interactions of meso-5,10,15,20-tetrakis (1-methylpyridinium-4-yl)porphyrin with (dG-dC)10 and (dA-dT)10
2007 / Analytical Biochemistry
Advanced glycation end products (AGEs) play a significant role in the pathophysiology of diabetes leading to such conditions as atherosclerosis,… Continue reading The effect of nonenzymatic glycation on the stability and conformation of two deoxyoligonucleotide duplexes: A spectroscopic analysis by circular dichroism
2007 / Food Chemistry
Raman and far-UV circular dichroism (CD) spectroscopy was used to study the conformation of globulin from common buckwheat (Fagopyrum esculentum Moench)… Continue reading Structural characterization of globulin from common buckwheat (Fagopyrum esculentum Moench) using circular dichroism and Raman spectroscopy
2006 / Analytical Biochemistry
Hemoproteins have been recognized for nearly a century and are ubiquitous components of cellular organisms. Despite our familiarity with these… Continue reading Magnetic circular dichroism of hemoproteins with in situ control of electrochemical potential: “MOTTLE”
2006 / Biochemical and Biophysical Research Communications
The earthworm Lumbricus rubellus has been found to inhabit cadmium-rich soils and accumulate cadmium within its tissues. Two metallothionein (MT) isoforms (1… Continue reading Cadmium binding studies to the earthworm Lumbricus rubellus metallothionein by electrospray mass spectrometry and circular dichroism spectroscopy
2006 / Journal of Pharmaceutical and Biomedical Analysis
The binding to human serum albumin (HSA) of the antitumoural drug paclitaxel and of several structural analogues has been characterized… Continue reading Binding studies of taxanes to human serum albumin by bioaffinity chromatography and circular dichroism
2006 / Journal of Molecular Graphics and Modelling
Proinsulin C-peptide has been recently described as an endogenous peptide hormone, responsible for important physiological functions others than its role… Continue reading Molecular dynamics and circular dichroism studies of human and rat C-peptides
2006 / Journal of Chromatography A
The HPLC enantiomeric separation of the racemic cularinoid alkaloids N-p-methoxy-1,α-dihydroaristoyagonine (1) and 4′,5′-demethoxy-1,α-dihydroaristoyagonine (2) was accomplished using five chiral stationary phases… Continue reading Chiral high-performance liquid chromatographic separation and circular dichroism spectra of the enantiomers of cytotoxic aristocularine alkaloids
2006 / Journal of Fluorine Chemistry
Perfluoroalkyl- or nonafluoro-tert-butoxy-alkyl-substituted enantiopure amines having the structure PhCHCH3(NR1R2) [R1 = H, CH3; R2 = (CH2)3C8F17, (CH2)2OC(CF3)3; R1 = R2 = (CH2)3C8F17, (CH2)2OC(CF3)3] are obtained in high yields,… Continue reading Synthesis and characterization of fluorous (S)- and (R)-1-phenylethylamines that effect heat facilitated resolution of ()-2-(8-carboxy-1-naphthylsulfinyl)benzoic acid via diastereomeric salt formation and study of their circular dichroism
2006 / Biochemical and Biophysical Research Communications
The polyanionic glycosaminoglycans (GAGs) are intimately involved in the pathogenesis of protein conformational disorders such as amyloidosis and prion diseases.… Continue reading Binding of anti-prion agents to glycosaminoglycans: Evidence from electronic absorption and circular dichroism spectroscopy
2006 / Biochimica et Biophysica Acta
Fluorescence and circular dichroism spectroscopic studies were carried out on the galactose-specific lectin from Dolichos lablab seeds (DLL-II). The microenvironment of the… Continue reading Tryptophan environment, secondary structure and thermal unfolding of the galactose-specific seed lectin from Dolichos lablab: Fluorescence and circular dichroism spectroscopic studies
2006 / Biochimica et Biophysica Acta
Multiple ligand-binding properties of the 30-kDa chicken α1-acid glycoprotein (cAGP), a member of the lipocalin protein family, were investigated for… Continue reading Multiple ligand-binding properties of the lipocalin member chicken α1-acid glycoprotein studied by circular dichroism and electronic absorption spectroscopy: The essential role of the conserved tryptophan residue
2009 / Biochimica et Biophysica Acta
The paper presents a simple and robust method to determine protein secondary structure from circular dichroism, transmission and attenuated total… Continue reading Protein secondary structure content in solution, films and tissues: Redundancy and complementarity of the information content in circular dichroism, transmission and ATR FTIR spectra
2009 / Analytica Chimica Acta
DNA can adopt structures in solution apart from the well-known Watson–Crick double helix, ranging from disordered single strands to high-order… Continue reading Classification of nucleic acids structures by means of the chemometric analysis of circular dichroism spectra
2009 / Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
Solutions of meso-tetrakis [3-methoxy-4-(N-carbazyl)n-hexyloxyphenyl] porphyrin (4C6-TPP) in a water–organic mixture (tetrahydrofuran, THF) generate aggregates with absorption spectra characterized by broader… Continue reading Solvent effects on the absorption, circular dichroism and Raman spectroscopy of meso-tetrakis [3-methoxy-4-(N-carbazyl)n-hexyloxyphenyl] porphyrin in water–THF solution
2009 / Biophysical Chemistry
The thermal and chemical unfolding pathways of two β carbonic anhydrases, Rv3588c and Rv1284 of Mycobacterium tuberculosis have been compared by fluorescence and circular… Continue reading Differential chemical and thermal unfolding pattern of Rv3588c and Rv1284 of Mycobacterium tuberculosis — A comparison by fluorescence and circular dichroism spectroscopy
