physicochemical characterization of interfaces

... Variation of this composi- tion such as a reduction of the number of charges or the number of acyl chains, a change in their distribu- tion, or degree of saturation, results in a dramatic reduction of ... be interpreted to indicate that a variation of the primary structure of endotoxin molecules influ- ences their physicochemical behaviour, and that this physicochemical behaviour is correlated to ... Osaka University, Department of Chemistry, Osaka, Japan Lipopolysaccharide (LPS, endotoxin), as a major amphiphilic component of the outer leaflet of the outer membrane of Gram-negative bacteria,...

Ngày tải lên: 23/03/2014, 13:20

... 2a) is very much of the same size as of the 36 kDa of the N4 phage. In fact the SDS-PAGE of the structural proteins of N5 vibriophage closely resembles the SDS-PAGE pattern of another vibrio ... comparison of these results with the SDS-PAGE of the N4 phage [6] reveals that the molecular masses of the N5 polypeptides are slightly higher than that of N4 phage. Nevertheless, the second band of ... Journal Open Access Research Physicochemical characterization of vibriophage N5 Anindito Sen 1,2 and Amar N Ghosh* 1 Address: 1 Division of Electron Microscopy, National Institute of Cholera and Enteric...

Ngày tải lên: 20/06/2014, 04:20

... based on the property of lysates of amebocytes of the horseshoe crab Limulus polyphemus,to form a solid gel in the presence of minute amounts of endotoxins. The comparison of LPS and MfGl-II in ... New York. Ó FEBS 2003 Biophysical study of Mycoplasma glycolipid (Eur. J. Biochem. 270) 3279 Physicochemical characterization and biological activity of a glycoglycerolipid from Mycoplasma fermentans Klaus ... likely in the light of the high negative charge density of the headgroup of the latter, leading to different migration in the HPLC purification process. Additionally, the absence of a lipoprotein...

Ngày tải lên: 21/02/2014, 00:20

... 10 Nanoscale Characterization of Surfaces and Interfaces Figure 5. (a) STM image of an array of 100 nm high quantum dots on GaAs; (b) STM image of a compact disc surface ... describing the density of states of Ca. (b) The deviations of peak posi- tions of the dl/dV (dashed) and (dI/dV)/(I/V) (solid) with respect to the actual maxima of the density of states (Lang, ... Johanna Biography Professor DiNardo is Associate Professor of Physics at Drexel University and Adjunct Associate Professor of Materials Science and Engineering at the University of Pennsylvania....

Ngày tải lên: 04/06/2014, 14:38

... State University in a group of Dr. Igor Yaminsky on the AFM study of aggregation of polymers on different substrates. During his PhD he spent 1 year in a group of Prof. Yuri Lyubchenko at the ... amplitude of oscillation during scanning A and free oscillation amplitude A 0 .Usually r SP was in the range of 0.5-0.7. Most of the measure- ments were performed in solution, where softest tap- ping ... square (RMS) values were employed for characterization of amplitude variations of topography and phase across the surface. RMS values were also used as an error bar of determined layer thickness [8]. Results Figure...

Ngày tải lên: 21/06/2014, 04:20

... use of growth interruption between the layers [6], the growth on top of I nGaP of a thin ( 1 nm) intentional interfacial layer of GaP [5,7,9] or GaAlAs [8], or the application of a preflow of ... ratio R exp is the one that a sublayer is made of. The experimental ratios R exp of the HAADF intensity of sublayer 1 of the nominal GaAs layer to those of the GaAs substrate, In 0.51 Ga 0.49 PandAl 0.26 Ga 0.74 As, ... Plot of the calculated ratio R b etween the HAADF intensities of In 0.15 Ga 0.85 As 1-y P y and GaAs. Inset is the top left part of the plot. Figure 7 Sketch of the three possible mechanisms of...

Ngày tải lên: 21/06/2014, 05:20

Ngày tải lên: 21/06/2014, 05:20

Ngày tải lên: 27/06/2014, 23:20

... total amount of pravastatin entrapped in 0.1 ml of the final packed erythrocytes. Efficiency of entrapment The percentage of the loaded amount of pravas- tatin to the total amount of that added ... percentage ratio of the hematocrite value of the final loaded cells to that of the initial packed cells, both measured using equal suspension volumes. In vitro characterization of pravastatin ... against lysis as a result of the osmotic pressure changes of their surrounding media was evaluated. Twenty five l of erythrocyte sample was added to each of a series of 2.5 ml saline solutions...

Ngày tải lên: 25/10/2012, 11:10

... Department of Pathology, National Institute of Infectious Diseases, Tokyo, Japan 2. Department of Transplantation Surgery, Nagoya University Hospital, Aichi, Japan 3. Department of Transplantation ... on the basis of the presence of B19 DNA in liver speci- mens. However, the mechanism of liver damage by B19 infection remains conjectural. An immunologi- cally-mediated mechanism of B19-induced ... National Study Group of Fulminant Hepatitis. Clinical epidemiology of ful- minant hepatitis in Japan before the substantial introduction of liver transplantation: an analysis of 1309 cases in a...

Ngày tải lên: 26/10/2012, 10:03

... Potential (ERP) is a time-locked measure of electrical activity of the cerebral surface representing a distinct phase of cortical processing. Two components of the ERP which bear special importance ... 2). Upon the presentation of the rare stimulus following a string of standard stimuli, the N200 is observed [5]. A number of investigations have utilized a variation of this paradigm, an oddball ... notable that the detection of a frontal N2 is associated only with instances of a NOGO response. Thus, the P300 appears to be inhibited by the appearance of the N2b in tasks of motor activity suppression...

Ngày tải lên: 02/11/2012, 11:08

... P., & Arnau, J. (1996). Study of the physicochemical and sensorial characteristics of dry-cured hams in three pig genetic types. Journal of the Science of Food and Agriculture, 70(4), 526–530. Guerrero, ... lx). First of all, consumers were briefed on the concept of the methodology and the procedure. The aim of this was to allow for development of the vocabulary to describe the four types of dry-cured ... 55.58% of the Table 2 Demographic, socio-economic characteristics and frequency of dry-cured ham consumption of the participants (% of respondents, n = 109). Socio-demographic characteristic % of...

Ngày tải lên: 03/04/2013, 21:07

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Ngày tải lên: 05/09/2013, 16:11

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Ngày tải lên: 22/12/2013, 08:58