báo cáo khoa học: "The permeability of SPION over an artificial three-layer membrane is enhanced by external magnetic field" pptx

... diffusion -enhanced permeability and magnetic enhanced permeability, as is the case in this study. Since this is the first time magnetic- induced permeability has been explored using a mem- brane model, ... individual SPION. Transepithelial Electrical ResistanceFigure 7 Transepithelial Electrical Resistance. The resistance of MDCK cells cultured on the SIS membrane was m...

Ngày tải lên: 11/08/2014, 00:22

... the study and made substantial contributions to the analysis and interpretation of the data. HFK and PG made substantial contr ibutions to the analysis and interpretation of the data. BY carried ... of Bern, Bern, Switzerland. We also acknowledge Kirsten Clift for proofreading the manuscript. This work is financially supported by an Empa internal grant and the Swiss Nanoscience...

Ngày tải lên: 11/08/2014, 00:22

... Russia; 3 Department of Chemistry, Department of Biochemistry and Molecular Biology, and Center for Metalloenzyme Studies, University of Georgia, Athens, GA, USA To shed light on the mechanism o f isotopic exchange ... preparation of enantiomerically pure a-de uterated (S)-amino acids [5–7]. In the framework of the generally accepted notions of mechanisms of PLP-dependent enzyme...

Ngày tải lên: 19/02/2014, 16:20

... Maryland Institute for Women’s Health, found that anxiety was experi- enced at a rate of 80% and the fear of not being able to get rid of cancer and the fear of impairment of the qual- ity of life ... Montazeri A, Vahdaninia M, Ebrahimi M, Jarvandi S: The Hospital Anxiety and Depression Scale (HADS): translation and validation study of the Iranian version. Health and Quality of...

Ngày tải lên: 09/08/2014, 01:24

... Brilliant Blue R250. Lane 1, marker; lane 2, 15 lLof supernatant of the extracted light membranes; lane 3, 15 lg of pro- tein of the light membranes after extraction with SDS; lane 4, 15 lg of protein ... fractionation of spinal cord tissue It is known that the association of versican with the plasma membrane is mediated via binding to hyaluro- nan [17]. Hyaluronan is a po...

Ngày tải lên: 07/03/2014, 16:20

... stoichiometric amount of 2¢,5¢-ADP, and this is accompanied by an increase in the amplitude of the absorbance change. This is consistent with the notion that the 2¢,5¢-ADP moiety of NADPH makes a ... regulation of electron transfer reactions in human CPR, triggered by coenzyme binding and involving conformational change over a relatively large distance, and highlight furth...

Ngày tải lên: 23/03/2014, 17:22

... during evolution of insect hemocyanins, but the functional relevance is currently unknown. Subunit evolution and emergence of insect hexamerins The plecopteran hemocyanin consists of two distinct subunits ... Crustacean hemocyanins and pseudohemo- cyanins form a third clade with 1.00 posterior proba- bility and 100% bootstrap support. The monophyly of crustacean and hexapod hemocyan...

Ngày tải lên: 18/02/2014, 08:20

... amount of precipitation in the presence of high concentrations of Arg-HCl in the absence of the chaperone precluded analysis of the effect of this concentration on the protective ability of aB-crystallin. Reduction-induced ... ability of aB-crystallin to reduce amyloid fibril formation by a-synucleinA53T. This result is sig- nificant due to the association of this type of...

Ngày tải lên: 18/02/2014, 16:20

... crosslinking of nucleosomes and digestion of the DNA to mononucleosome size of samples con- sisting of a mixture of hepta-, octa- and nonanucleosomes and half the amount of hexa- and decanucleosomes ... mechanism, which leads to poised-for-transcription or dormant chromatin [4]. The fibre consists of the entire chroma- tin of the nucleated avian erythrocytes and comprises appro...

Ngày tải lên: 18/02/2014, 18:20

... affect the function of human topoisomerase I by alteration of DNA cleavage patterns [20]. The greatest disturbance of DNA cleavage is caused by the (+)-trans-B[a]P-N 2 -dG and (+)-cis- B[a]P-N 2 -dG ... stereochemistry of benzo[a]pyrene-2¢-deoxyguanosine adducts affects DNA methylation by SssI and HhaI DNA methyltransferases Oksana M. Subach 1 , Diana V. Maltseva 1 , Anant Sha...

Ngày tải lên: 19/02/2014, 00:20