working principle of transistor as an amplifier

... glycoconjugate and the versican variant can be co-released from spinal cord membranes by hyaluronidase, and that the IB4-reactive glycoconjugate and the versican variant can be co-precipitated by an anti- versican ... 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 of the ... PAGE as a single distinct protein band at an apparent molecular mass of > 250 kDa. By using MALDI-TOF ⁄ TOF MS, we identified this glycoconjugate unam- biguously as a V2-like variant of versican....

Ngày tải lên: 07/03/2014, 16:20

Ngày tải lên: 11/08/2014, 08:21

Ngày tải lên: 13/08/2014, 16:21

Ngày tải lên: 28/03/2015, 09:22

Ngày tải lên: 08/08/2012, 17:20

... company name Nhat Linh Co as LiOA instead of brand. That is the reason why the Company continues to use its LiOA logo as the company brand. 32 The Company also expanded the scope of its AVS, and ... choose LiOA brand products when they wanted to buy an AVS. The number of the respondents who made decision of buying Robot, AST and Hansil brand name products was not many. Less than 10% of the respondents ... branded products because of the following reasons: ã Brands generate choice ã Brands simplify decisions ã Brands offer quality assurance and reduce risks ã Brands help self-expression ã Brands...

Ngày tải lên: 13/04/2013, 10:29

Ngày tải lên: 24/08/2013, 18:48

... which are made of ceramic material, another device mainly made of wet textile band has been designed, manufactured and characterised. It is basically a cotton band of 25 cm width and 1600 cm length, ... [7]. As the main resistance to heat-transfer can be found in the air on the dry face of the system, the advantage of the higher thermal conductance of metals than that of plastics is negligible. ... by the ASHRAE has cast doubt on this supposing, making more interesting the idea of considering and analyzing the use of these devices. Another disadvantage is the water consumption associated...

Ngày tải lên: 05/09/2013, 16:10

... activity of proteases of T. gondii [14] and HIV [12,31]. To ascertain the inhibition range of MA on the different P. falciparum protease classes, in vitro enzymatic assays were performed encompassing ... Dr Andre ´ s Gar- cı ´ a-Granados for providing MA and helpful discus- sions. We thank Susana Pe ´ rez-Benavente for excellent technical help. Competing interests The use of MA as an antiparasitic ... colour changed from purple to blue. 200 lL of each sample were transferred to a 96-well micro- plate and the absorbance was measured at 610 nm. Data were expressed as a percentage of the increase...

Ngày tải lên: 14/02/2014, 14:20

... demand. The grant was given to another company. The author was offered an indemnity as compensation, to be paid (as was customary in such cases) by the company which received the grant. It is ... grants after grants to large companies. A financial society, having asked for the grant of a railroad in the east of France, employed Proudhon to write several memoirs in support of this demand. ... Sense in Man and the Animals. % 2. Of the First and Second Degrees of Sociability. % 3. Of the Third Degree of Sociability. PART I 1. % 1. Of the Causes of our Mistakes. The Origin of Property....

Ngày tải lên: 15/02/2014, 09:20

Ngày tải lên: 18/02/2014, 04:20

... interactions between Ser278 and Asp164. Thus the introduction of an aspa- ragine instead of an aspartic acid into the oxyanion hole had the unexpected result of shifting the side chain of residue 164 closer ... Ser-His-Asp triad of the classical serine peptidases. In the latter case, the Ser and His residues act as nucleophilic and general acid ⁄ base catalysts, respectively [9,10]. The Asp residue of the ... triad and an aspartic acid residue in the oxyanion hole of sedolisins for their low- pH peptidase activity. Results Processing and purification of mutants The D164N and E78H ⁄ D164N mutants were...

Ngày tải lên: 19/02/2014, 07:20

... organizations such as UNESCO, British Khoa Anh Viet / VNU Journal of Science, Foreign Languages 24 (2008) 167-174 170 as for the purpose of meaningful communication, and language as the means ... Vietnam as an English foreign languages context Khoa Anh Viet * Department of English - American Language and Culture, College of Foreign Languages, Vietnam National University, Hanoi, Pham Van ... teacher is that of researcher and learner, with much to contribute in terms of appropriate knowledge and abilities, actual and observed experience of the nature of learning and organizational...

Ngày tải lên: 05/03/2014, 12:20

... percentage of cells in G 1 -phase increased to 54%, whereas scramble ASO-treated cells had only 40% of cells in G 1 -phase. The percentage of miR-373 ASO- treated cells in S-phase decreased to 18%, as ... miR-373 ASO group, and the fraction of cells in S-phase was significantly decreased in the miR-373 ASO group. (B) In the pri-373 group, the fraction of cells in G 1 -phase was significantly decreased. The ... used to quan- tify band intensities. Antibodies were purchased from Tian- jin Saier Biotech and Sigma-Aldrich. Statistical analysis Data are expressed as mean ± standard deviation (SD), and P <...

Ngày tải lên: 14/03/2014, 23:20

... valuable discussions, and we thank Walter Rosenthal for the cDNA of human ETB. We further thank Robert Tampe ´ and Katrin Schulze for their help with SPR analysis. The work was financially supported by ... chromatography, and the purity was evaluated by SDS ⁄ PAGE analysis (Fig. 5B). The ligand binding of ETB cHx and truncated deriva- tives was characterized by pull-down assays of purified proteins ... the possibility of inserting membrane proteins directly into detergent micelles upon translation. The efficiency of this solubilization mode was nearly 100% in the case of ETB, as no residual precipitate was...

Ngày tải lên: 16/03/2014, 10:20

... 45–86. Ashgate Publishing Ltd, Hants, England. Ian H. Witten and Eibe Frank. 2005. Data Mining: Practical Machine Learning Tools and Techniques. Morgan Kaufmann, 2 edition. Bei Yu, Stefan Kaufmann, ... performance. 6 Consolidation of perspective We explore feature redundancy in perspective classification.We first investigate retention of only N best features, then elimination thereof. As a proxy of ... percentage of the available words to ob- tain the same classification accuracy as with the full feature set, even in high-accuracy cases such as PBA and BL. The effectiveness of a small subset of features...

Ngày tải lên: 17/03/2014, 00:20

... the increase of Luc activity by SA reflect the levels of transcription and translation of Hsp105, not due to an indirect effect of SA on the basal activity of Luc. Enhance- ment of Luc activity was also ... the transcription of hsp genes and the accumu- lation of Hsps in various mammalian cells and a concomi- tant increase of thermoresistance of cells. Thus, SA may be used for the protection of cells ... nitrocellulose membranes, and immunostained using anti- Hsp105 or anti-Hsp70 Ig (upper panels). Bands were quantified by densitometry, and relative levels of Hsp105a or Hsp70 are shown as ratios to that of untreated...

Ngày tải lên: 17/03/2014, 10:20

... demand. The grant was given to another company. The author was offered an indemnity as compensation, to be paid (as was customary in such cases) by the company which received the grant. It is ... doubt, to increase his reputation as a thinker, as a writer, and as an honest man. J. A. LANGLOIS. most general and most necessary ideas—such as time, space, substance, and cause— exist ... grants after grants to large companies. A financial society, having asked for the grant of a railroad in the east of France, employed Proudhon to write several memoirs in support of this demand....

Ngày tải lên: 22/03/2014, 20:20

... schoolchildren and adults and increase the prevalence of asthma and asthmatic symptoms [65-67]. Aeroallergens and Atopic Asthma Aeroallergens have a signifi cant impact on the development of asthma, and ... viven en zonas urbanas experimentan estas afecciones con mayor frecuencia que las que viven en zonas rurales. Una de las diversas causas del incremento de la morbilidad asociada a las enfermedades ... aeroallergens and airway infl ammation could account for increasing prevalence of allergic respiratory diseases in polluted urban areas. The most abundant components of urban air pollution in urban areas...

Ngày tải lên: 23/03/2014, 02:20

... absence of quercetin the pro- oxidant activity of urate masks its antioxidant activity as mentioned above, whereas, in the presence of quercetin, the pro-oxidant activity of urate disappears and ... 45, 13–19. 14.Moran,J.,Klucas,R.,Grayer,R.,Abian,R.J.&Becana,M. (1997) Complexes of iron with phenolic compounds from soybean nodules and other legume tissues: prooxidant and antioxidant properties. ... know- ledge of these mechanisms deserves further investigations. It may be anticipated that the intricate relationship between antioxidant and pro-oxidant action of antioxi- dants, such as quercetin...

Ngày tải lên: 23/03/2014, 12:20