Found 9617 Results / Page 275 of 481
2014 / Analytical Methods
A simple chalcone-based fluorescent chemosensor 1, capable of detecting Fe3+ in aqueous media, has been designed and synthesized by the condensation of… Continue reading A simple chalcone-based fluorescent chemosensor for the detection and removal of Fe3+ ions using a membrane separation method
2014 / Biochimica et Biophysica Acta (BBA) - Molecular Cell Research
Despite genetic variation has the potential to arise new protein functions, spontaneous mutations usually destabilize the native fold. Misfolded proteins… Continue reading Selection against toxic aggregation-prone protein sequences in bacteria
2014 / Journal of Organometallic Chemistry
A serious of new dissymmetric ruthenium(II) carbonyl complexes of the type [Ru(CO)(EPh3)(L1–2)] (1–4), [E = P or As; L1 = N4-(2-Hydroxy-5-chlorobenzylidene)-2-amino-5-chlorobenzophenone thiosemicarbazone; L2 = N4-(2-Hydroxynaphthalene-1-carbaldehyde)-2-amino-5-chlorobenzophenone thiosemicarbazone] have been… Continue reading Dissymmetric thiosemicarbazone ligands containing substituted aldehyde arm and their ruthenium(II) carbonyl complexes with PPh3/AsPh3 as ancillary ligands: Synthesis, structural characterization, DNA/BSA interaction and in vitroanticancer activity
2015 / Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
Naphthalene benzimidazole conjugate bearing a hydroxyl group was synthesized. Its binding properties towards various metal ions were examined and it… Continue reading Specific fluorescent sensing of aluminium using naphthalene benzimidazole derivative in aqueous media
2014 / Journal of Materials Science
Structural and spectroscopic behavior of TeO2–PbO–Eu2O3 glass ceramics containing small amounts of Ag2O (0.5 mol%) or metallic Ag nanoparticles (AgNPs) (0.33 mol%) have… Continue reading Structural and spectroscopic effects of Ag–Eu3+codoping of TeO2–PbO glass ceramics
2015 / Journal of Luminescence
A simple dimeric binol-based fluorescent chemosensor S-1, capable of detecting Hg2+ in aqueous media is designed and synthesized. The Hg2+ recognition processes follow… Continue reading Binol based “turn on” fluorescent chemosensor for mercury ion
2007 / Biophysical Journal
The major protein component of the amyloid deposition in Alzheimer’s disease is a 39–43 residue peptide, amyloid β (Aβ). Aβ is toxic to… Continue reading Time-Dependent DNA Condensation Induced by Amyloid β-Peptide
2011 / Applied Materials & Interfaces
Organic, white luminescent materials were fabricated using a mixture of proton-transfer and nonproton-transfer fluorophores. 2′-Methoxy and 2′-hydroxy derivatives of 2-phenylimidazo[1,2-a]pyridine… Continue reading Fabrication of Colorless Organic Materials Exhibiting White Luminescence Using Normal and Excited-State Intramolecular Proton Transfer Processes
2010 / The Journal of Biological Chemistry
The biosynthesis of most membrane proteins is directly coupled to membrane insertion, and therefore, molecular chaperones are not required. The… Continue reading cpSRP43 Is a Novel Chaperone Specific for Light-harvesting Chlorophyll a,b-binding Proteins
2011 / Journal of Hazardous Materials
A novel AgBr/WO3 composite photocatalyst was synthesized by loading AgBr on WO3substrate via deposition–precipitation method and characterized by XRD, SEM and… Continue reading Photocatalytic activity of novel AgBr/WO3 composite photocatalyst under visible light irradiation for methyl orange degradation
2008 / Journal of Molecular Structure
Prolonged exposure of hen egg white lysozyme to near-UV light results in an unusual fluctuating and red shift of fluorescence… Continue reading Photoexcitation of tryptophan groups induced reduction of disulfide bonds in hen egg white lysozyme
2010 / JACS
Dynamic control over the formation of H- or J-type aggregates of chromophores is of fundamental importance for developing responsive organic… Continue reading Photoswitchable Intramolecular H-Stacking of Perylenebisimide
2012 / Dalton Transactions
One pot synthesis of three structurally different Ni(II) thiosemicarbazone complexes 1, 2 and 3were obtained from the reaction between [NiCl2(PPh3)2], 1,2-bis(diphenylphosphino)ethane, and [H2-(Sal-tsc)]. The obtained… Continue reading One pot synthesis of structurally different mono and dimeric Ni(II) thiosemicarbazone complexes and N-arylation on a coordinated ligand: a comparative biological study
2010 / Inorganic Chemistry
We previously reported on a 8-quinolinol-pendant cyclen (L5) as a Zn2+ fluorophore (cyclen = 1,4,7,10-tetraazacyclododecane) and its caged derivative, 8-(benzenesulfonyloxy)-5-(N,N-dimethylaminosulfonyl)quinolin-2-ylmethyl-pendant cyclen… Continue reading Design and Synthesis of a Fluorescent Probe for Zn2+, 5,7-Bis(N,N-dimethylaminosulfonyl)-8-hydroxyquinoline-Pendant 1,4,7,10-Tetraazacyclododecane and Zn2+-Dependent Hydrolytic and Zn2+-Independent Photochemical Reactivation of Its Benzenesulfonyl-Caged Derivative
2012 / Biomacromolecules
Development of nonviral vectors for the successful application of gene therapy through siRNA/DNA transfection of cells is still a great… Continue reading Glycine-Terminated Dendritic Amphiphiles for Nonviral Gene Delivery
2012 / Biomacromolecules
A novel cancer-cells-triggered controlled-release gadolinium-doped luminescent and mesoporous strontium hydroxyapatite nanorods (designated as Gd:SrHap nanorods) system using cell-type-specific aptamers as… Continue reading Aptamer-Capped Multifunctional Mesoporous Strontium Hydroxyapatite Nanovehicle for Cancer-Cell-Responsive Drug Delivery and Imaging
2011 / The Journal of Biological Chemistry
Ample evidence suggests that almost all polypeptides can either adopt a native structure (folded or intrinsically disordered) or form misfolded… Continue reading Binding with Nucleic Acids or Glycosaminoglycans Converts Soluble Protein Oligomers to Amyloid
2008 / The Journal of Biological Chemistry
The final 23 residues in the C-terminal region of Escherichia coli GroEL are invisible in crystallographic analyses due to high flexibility. To… Continue reading Hydrophilic Residues 526KNDAAD531 in the Flexible C-terminal Region of the Chaperonin GroEL Are Critical for Substrate Protein Folding within the Central Cavity
2010 / Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics
Recently, the smallest bioluminescent protein (MW: 19.9 kDa), Gaussia luciferase (GLuc), has been isolated from the marine copepod Gaussia princeps and has attracted much attention… Continue reading Biophysical characterization of highly active recombinantGaussia luciferase expressed in Escherichia coli
2012 / Chemical Engineering Journal
An attempt to use Al2O3, as non-semiconductor component to improve the photocatalytic activity of V2O5 was investigated. The composite photocatalysts were… Continue reading V2O5/Al2O3 composite photocatalyst: Preparation, characterization, and the role of Al2O3
