Báo cáo khoa hoc:" Single wall carbon nanotubes enter cells by endocytosis and not membrane penetration" doc

... Access Single wall carbon nanotubes enter cells by endocytosis and not membrane penetration Peter N Yaron 1 , Brian D Holt 2 , Philip A Short 2 , Mathias Lösche 2,3,4 , Mohammad F Islam 5* and Kris ... Yaron et al.: Single wall carbon nanotubes enter cells by endocytosis and not membrane penetration. Journal of Nanobiotechnology 2011 9:45. Submit...

Ngày tải lên: 11/08/2014, 08:20

... isolated single wall carbon nano- tubes. Carbon 2002, 40:2043-2061. 108. Resasco DE, Herrera JE: Structural characterization of single- walled carbon nanotubes. Encyclopedia of Nanoscience and Nanote- chnology ... microscopy and Raman spectroscopy studies of RNA bound carbon nanotubes. Applied Physics Letters 2004, 85:4228-4230. 40. Arnold MS, Stupp SI, Hersam MC: Enrichm...

Ngày tải lên: 11/08/2014, 00:22

... van der Walls forces and hydrogen bonds, provided that the DA did not change after degradation [35]. However, chitosanolysis by pronase was associated with decreased DA as evidenced by the spectral ... highest activity was shown by pepsin, followed by papain, pronase and a protease from Aspergillus niger (4.98, 1.78, 1.16 and 0.058 units, respectively). Though, pepsin and pa...

Ngày tải lên: 19/02/2014, 12:20

... glyceraldehyde-3-phosphate dehydrogenase by peptide and protein peroxides generated by singlet oxygen attack Philip E. Morgan 1 , Roger T. Dean 2 and Michael J. Davies 1 1 EPR and 2 Cell Biology Groups, The ... oxygen; photo-oxidation. Singlet oxygen (molecular o xyge n in its 1 D g state; 1 O 2 )is generated by a number of enzymatic and chemical reactions, by UV exposure, an...

Ngày tải lên: 21/02/2014, 03:20

... supported by the Natural Sciences and Engineering Research Council (NSERC) of Canada (RGPN 250215-02 to LL and RGPN 217502-03 to MTG). EC and ML were supported by the MUHC-RI from McGill University, and ... that, in mammalian cells, the adaptor Nck-1 not only modulates eIF2aSer51 phosphorylation driven by stress conditions preferentially activating PERK, but also PKR and HR...

Ngày tải lên: 07/03/2014, 05:20

... was digested with XhoI, and ligated with a 6322 bp fragment of XhoI cut MGA-P1A2. The resulting plasmid, pBY_1, was cut with BglII and NotI, and ligated into BglII ⁄ NotI cut pMT ⁄ BiP ⁄ V5-His ... selection and isolation of single- cell clones The Drosophila Expression System (DES: Invitrogen) with Schneider 2 (S2) cells was used to express and secrete recombinant MGAnt. The S2...

Ngày tải lên: 07/03/2014, 12:20

... medium-affinity ligand for human PEPT1 and a high-affinity ligand for rat PEPT2. Effect of anserine on [ 14 C]Gly-Sar uptake in HeLa-hPEPT1 and HeLa-hPEPT2 cells Caco-2 and SKPT cells originate from ... kidney proximal tubule (SKPT) cells by anserine Caco-2 and SKPT cell cultures are well-established systems for intestinal and renal peptide transport studies. Caco-2 cells ex...

Ngày tải lên: 15/03/2014, 09:20

... estimated by counting the number of observations of x and y in a corpus, f(x) and fly), and normalizing each by N, the size of the corpus. Joint probabilities, p(x,y), are estimated by counting ... top-ranked documents are thrown into the original query with an assumption that at least some, if not all, of the documents are relevant to the original query and that the...

Ngày tải lên: 17/03/2014, 07:20

... (A) H460 cells were treated with etoposide and at 0, 2, 4, 6 and 8 h cells were washed and stained for EGFR (red). (B) H460 cells treated with etoposide were stained for EGFR (red) and TfR (green). ... plasma membrane after p53 activation, we treated H460 cells with etoposide and costained the cells with antibodies against EGFR and caveolin-1. The green fluorescent sign...

Ngày tải lên: 23/03/2014, 04:21

... reversible transition which is influenced by NaCl [11]. P 1/2 (the half- pressure of denaturation) was shifted from 118 MPa to 127 MPa and 195 MPa in the absence and in the presence of 0.5 M and 1.0 M NaCl, respectively. ... related both to DGandDV according to: P 1=2 ¼ DG=DV or ln Kp ¼ DG þ P Ã DV=RT From the above formulae, the change in P 1/2 caused by the net variation in DG or...

Ngày tải lên: 31/03/2014, 01:20