Crystal structure, optical properties and biological imaging of two curcumin derivatives

... Synthesis, optical properties and biological imaging of the rare earth complexes with curcumin and pyridine. J Mater Chem 2012;22:22774e80. [25] Demas JN, Crosby GA. The measurement of photoluminescence ... values of s of the compounds A and B are 386 and 418 GM (1 GM ¼ 10 À50 cm 4 s photon À1 molecule À1 ) in DMF solu- tion, respectively. 3.4. Cytotoxicity assay an...

Ngày tải lên: 01/07/2014, 13:22

... along the surface of the CdS nanowires. ZnS nanoparticles mainly show two sets of lattice fringe spacings of 0.27 nm and 0.19 nm that correspond to the (200) and (220) planes of the zinc blende ... wider band gap (E g = 3.7 eV) than CdS. The surface modification of a wide band gap semi- conducting shell around a narrow band gap core can alter the charge, functionality, and re...

Ngày tải lên: 22/06/2014, 01:20

... ability of Jurkat cells to express CD2 was Fig. 2. Ribbon diagram of crystal structure o f CD2–CD58 complex and crystal structure of rat CD2. (A) Ribbon diagram of crystal structure of CD2–CD58 ... structure of peptide cER consists of two b-turns, located at the N- and C-termini. A comparison of the b-turn structure of cER with the similar region in the crystal...

Ngày tải lên: 19/02/2014, 13:20

... Fragments of HSQC and HMBC spectra of compound 1. Labels illustrate assignment of the amide linkage between the amino group of Asp and the carboxyl group of GalA residue E. Scheme 1. The structures of ... efficient and proper folding, and functioning, of porin [36]. T. denticola and S. aurantia possess two of the largest porins yet discovered in Gram-negative bacter...

Ngày tải lên: 19/02/2014, 16:20

... region of HSV1-TK.Aminoacid106ispositionedinanareaofTK1 that is (a) highly conserved among vertebrates and viruses of the pox family and may be important for the regulation and substrate affinity of ... eluted as a mixture of a dimer and a tetramer. For further investigation of the role of size, conformation and polarity of amino acid 106 for the function and structur...

Ngày tải lên: 16/03/2014, 16:20

... capable of giving strength to the weary, vivacity to the stupid, and wisdom to men void of understanding; capable of soothing the sorrows of the afflicted, of healing the wounds of the spirit, and ... variety of computers including obsolete, old, middle-aged and new computers. It exists because of the efforts of hundreds of volunteers and donations from people in a...

Ngày tải lên: 17/02/2014, 22:20

... chains in the two molecules. Gel-to-liquid crystalline phase transition and lipid headgroup conformations The determination of the b«a gel-to-liquid crystalline phase transition of the acyl chains ... respectively [23,30], and the bands at 1172, 1085, and 1038 cm )1 assigned to glucose ring vibrations [31]. As no additional bands in the range of the amide vibrations centered at...

Ngày tải lên: 21/02/2014, 00:20

... L., Hommel,U.&Widmer,H.(1998)b 2 -andb 3 -peptides with proteinaceous side chains. Synthesis and solution structures of constitutional isomers, a novel helical secondary structure, and the influence of solvation and hydrophobic ... screening of 4Ær and no cut-off was used. Minimum-energy conformers of b-anda-amino acids were generated by molecular dynamics at high tempera...

Ngày tải lên: 08/03/2014, 08:20

... [19], bone marrow [10] and several other organs [20]. However, the main host cells and the target organs of this virus are still undefined. The study of the biological functions of TTV is par- ticularly ... interactions, and to find permissive cell lines for further molecular and cell biological studies of this peculiar human virus. For this purpose, we have cloned and seq...

Ngày tải lên: 16/03/2014, 05:20

... concentration of peptide SD in the presence of mAb 4-B8(8) ⁄ E9, since the absolute magnitude of the STD effect depends on the concen- tration of a ligand and saturation time [9]. Saturation profiles of ... using gold 2.1 software. Default parameters for the energy function were used, including hydrogen bond energy between the protein and ligand, van der Waals energy between the...

Ngày tải lên: 16/03/2014, 23:20