Báo cáo khoa học: "Anti-viral properties and mode of action of standardized Echinacea purpurea extract against highly pathogenic avian Influenza virus (H5N1, H7N7) and swine-origin H1N1 (S-OIV)" docx

... standardized Echinacea purpurea extract against highly pathogenic avian Influenza virus (H5N1, H7N7) and swine-origin H1N1 (S-OIV) Stephan Pleschka* 1 , Michael Stein 1 , Roland Schoop 2 and James B Hudson 3 Address: ... FPV (H7N7) were susceptible BioMed Central Page 1 of 9 (page number not for citation purposes) Virology Journal Open Access Research Ant...

Ngày tải lên: 12/08/2014, 04:20

... modeling Amino acid residues 1–118 and 119–239 of native /11 CI were used to develop 3D model structures of the NTD and CTD of this protein by the First Approach Mode of swiss-model (http://ExPasy.org). ... presence of CI. More precisely, the )21 to )48 and )52 to )87 regions of the top strand and )24 to )53 and )58 to )87 regions of the bottom strand were protected...

Ngày tải lên: 07/03/2014, 00:20

... to 135 min )1 and to 3.85 min )1 and K M values of 1250 lm and 850 lm for BApNA and GPpNA, respectively, by means of standard Lineweaver–Burk analysis of initial rate kinetics. Fitting of the experimental ... k* on and k* off . At [LCTI] ⁄ [trypsin] ¼ 1.1 and 2.25 the conversion of LCTI into LCTI* (Fig. 3, curves 2 and 3), allowed the simultaneous computation of k of...

Ngày tải lên: 23/03/2014, 10:21

... RECURSION AND DEPENDENCIES: AN ASPECT OF TREE ADJOINING GRAMMARS (TAG) AND A COMPARISON OF SOME FORMAL PROPERTIES OF TAGS, GPSGS, PLGS, AND LPGS * Aravind K. Joshi Department of Computer and Information ... a string of a's and b's such that (1) the number of a's = the number of b's and (2) for any initial substrlng of w, the number...

Ngày tải lên: 24/03/2014, 01:21

... attenuation of PA- induced alterations of bilayer properties probably involved the extraction of PA from the bilayer at con- centrations of > 100 lm calcium. Thus, the formation of PA–Ca 2+ complexes ... 2515 specifically examine the interaction of KL 4 with POPG and PA as well as the effect of these lipids on the physical properties of the membrane. Effect of KL 4 o...

Ngày tải lên: 30/03/2014, 11:20

... addition of synthesized peptides of known quanti- ties as standards. However, these methods are still very expensive, technically demanding and have the dis- advantages of requiring large amounts of ... techniques of immunoprecipitation and immu- noblotting as highly precise methods for the quantification of protein levels and modifications. To determine the stoichiometry o...

Ngày tải lên: 19/02/2014, 07:20

... confor- mation. A similar compaction of native conformation of FprA has been reported for the treatment of protein with NaCl and CaCl 2 [9]. One of the characteristic properties of the NaCl- or CaCl 2 -stabilized ... of FprA with higher concentrations of GdmCl results in significant loss of secondary structure of FprA due to unfolding of protein under these conditions....

Ngày tải lên: 19/02/2014, 16:20

... The influence of Mg 2+ on the kinetic properties of APase from E. coli. The influence of Mg 2+ on the kinetic properties of APase from E. coli inthepresenceofaZn 2+ to dimer ratio of 2 : 1 in 2A2M1P buffer, ... K I1 and V m describe reaction path A with one active subunit, while constants K S2 , K I2 and b describe the kinetic properties of paths B and C with both subunit...

Ngày tải lên: 21/02/2014, 00:20

... against S6 and the GST-tag. (C) Immunoblot analysis of the phosphorylation status of p70S6K and S6 in Paskin + ⁄ + and Paskin ) ⁄ ) MEFs. (D) Immu- noblot analysis of the phosphorylation status of p70S6K ... addresses Division of Digestive and Liver Diseases, Department of Medicine, Columbia University, New York, NY, USA àInstitute of Cell Biology, ETH Zu ¨ rich, Swit...

Ngày tải lên: 06/03/2014, 00:21

... bovine submandibular gland mucins as described by Reuter and Schauer [23]. 4 Preparation of lysosomal, microsomal and cytosolic fractions from human colonic mucosa The lysosomes, microsomes and cytosol ... detected in individual bacterial strains and in faecal extracts from normal individuals, which can facilitate the action of sialidase and thus the degradation of mucin oli...

Ngày tải lên: 07/03/2014, 14:20