in this paper, absorption spectra of both solution and films of cyano azobenzene polymer are investigated. the analysis of overlapped absorption spectra of polymer, related to trans and cis isomers, shows that the population of cis isomers is higher than trans isomers. it means that, cyano azobenzene molecules have a folded structure in polymer, in thermal equilibrium. presence of cyano molecul...

Twentyeight fatty aclds (C8:O to C24:ln-9) were measured by gas chromattography In four normal cell lines (C3H/lOT1/2, CCD18Co, CCD25SK and CCD 37Lu) an# seven cancer cell llnes ( M I , Caov-3, LS-180, PC3, SK-MEL-28, SK-MES-l and U-87 MG). Results show that C20:4 n-6, C24:0, C24:l n-9, Polyunsaturated fatty aclds (PUFA'S) and ratlos of C20:4 n-6 to C20:5 m3 and C16:O to C18:l n-9 and steatlc t...

The in vitro effect of recombinant human bone morphogenetic protein-2 (rhBMP-2) on osteogenic and myogenic differentiation was examined in two clonal cell lines of rat osteoblast-like cells at different differentiation stages, ROB-C26 (C26) and ROB-C20 (C20). The C26 is a potential osteoblast precursor cell line that is also capable of differentiating into muscle cells and adipocytes; the C20 i...

UNLABELLED Ceramide is an important signaling molecule that is typically generated via sphingomyelinase (SMase)-mediated sphingomyelin (SM) hydrolysis. Although diverse forms of renal injury elicit ceramide accumulation, the molecular determinants of this change and its contribution to tissue damage are poorly defined. The present study uses iron (Fe/hydroxyquinoline)-mediated injury of culture...

The smallest fullerene C20 with positive electron affinity is considered to be a new organic nano-electronic material. The binding structures and electronic states of lithium ions and atoms (Li+ and Li) trapped on the surface of C20 have been investigated by means of density functional theory (DFT) calculation to elucidate the nature of their interaction. It was found that a Li+ can bind to onl...

Abstract Polyether ionophores, with >120 molecules belonging to this group, represent a class of naturally-occurring compounds that exhibit broad range pharmacological properties, including promising activity towards variety parasites. In context, salinomycin (SAL) seems be interesting, as ionophore has been found active against parasites are responsible for number human and animal diseases. On...

Abnormal lipid metabolisms are closely associated with cancers. In this study, mass spectrometry was employed to in situ investigate the associations of membrane lipid phenotypes of six human lung cancer cell lines (i.e., A549, H1650, H1975 from adenocarcinoma, H157 and H1703 from squamous cell carcinomas, and H460 from a large cell carcinoma) with cancer cell types and finally total 230 lipids...