finding the standard form of a circle with endpoints

Báo cáo Y học: Subsite mapping of the binding region of a-amylases with a computer program ppt

Báo cáo Y học: Subsite mapping of the binding region of a-amylases with a computer program ppt

... and barley a- amylases are thus also presented. MATERIALS AND METHODS SUMA software: subsite mapping of amylases This software calculates the apparent binding energies on the basis of the measured ... PPA, an a- amylase studied by us earlier. Also an attempt has been made to use this program for subsite mapping of other a- amylases found in the literature. Evaluations of subsite maps of rice and ... Mapping of a- Amylases) is freely available for research and educational purposes via the Internet (E-mail: gyemant@tigris.klte.hu). The advantages of this program are demonstrated through a- amylases...

Ngày tải lên: 08/03/2014, 09:20

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Tài liệu Báo cáo khoa học: The pro-form of BMP-2 interferes with BMP-2 signalling by competing with BMP-2 for IA receptor binding pptx

Tài liệu Báo cáo khoa học: The pro-form of BMP-2 interferes with BMP-2 signalling by competing with BMP-2 for IA receptor binding pptx

... phosphorylation. The data presented here suggest that the pro-domain of BMP-2 can alter the signalling properties of the growth factor by modulating the ability of the mature part to interact with the ... was assessed at a single time point (30 days), and neither the pharmacokinetics of proBMP-2 nor the kinetics of bone formation were anal- ysed. Thus, the fate of administered proBMP-2 in the animal ... in these experiments. Table 1. Kinetic constants for interaction of the ECD of BMPR-IA with the growth factors. Association (k a ) and dissociation (k d ) rates for the ligands with the ECD and...

Ngày tải lên: 18/02/2014, 06:20

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Báo cáo khoa học: Crystal structures of the apo form of b-fructofuranosidase from Bifidobacterium longum and its complex with fructose pot

Báo cáo khoa học: Crystal structures of the apo form of b-fructofuranosidase from Bifidobacterium longum and its complex with fructose pot

... ring are Asn53, Gln70, Trp78, Ser114, Arg180 and Asp181 (Fig. 3C). The interactions of the blades in the axis area are of polar character. The water channel in the apo form of the enzyme runs along the ... probably a consequence of a mistake incorporated by the TaKaRa Ex TaqÔ poly- merase and did not affect the enzymatic activity. MS The molecular mass of the recombinant b-fructofuranosi- dase was ... Technical University of Lodz, Poland Introduction Bifidobacteria are found in human and animal gastro- intestinal tracts, as well as in the oral cavity and the vagina [1]. They are among the first bacteria...

Ngày tải lên: 06/03/2014, 00:21

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Báo cáo khoa học: DNA polymerase e associates with the elongating form of RNA polymerase II and nascent transcripts pot

Báo cáo khoa học: DNA polymerase e associates with the elongating form of RNA polymerase II and nascent transcripts pot

... repair factor XP-B relocalized to damaged areas, where it gave a uniform staining (Fig. 5, upper panel). Staining with an antibody against nucleotide excision repair factor XP -A gave a compar- able ... 5–10% of the input. In all panels, hyperphosphor- ylated RNA pol IIO is indicated with a solid arrow and hypophos- phorylated RNA pol IIA with an open arrow. DNA polymerase e associates with RNA ... performed and analysed as above. Hyperphosphorylated RNA Pol IIO is indicated with a solid arrow and hypophosphorylated RNA Pol IIA with an open arrow. A. K. Rytko ă nen et al. DNA polymerase...

Ngày tải lên: 07/03/2014, 11:20

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Báo cáo khoa học: The propeptide in the precursor form of carboxypeptidase Y ensures cooperative unfolding and the carbohydrate moiety exerts a protective effect against heat and pressure pot

Báo cáo khoa học: The propeptide in the precursor form of carboxypeptidase Y ensures cooperative unfolding and the carbohydrate moiety exerts a protective effect against heat and pressure pot

... or was obtained from Oriental Yeast Co. (Lot 21003805) (Osaka, Japan) and proCPY was prepared as the same manner as CPY, with minor modifications. Dgly CPY and Dgly proCPY, in which the asparagine ... indicating that the thermal unfolding process of the precursor form follows a two-state transition. The ratio of the unfolding enthalpy (DH cal )tothe van’t Hoff enthalpy (DH v ) was 1.05 (DH cal and ... for the baseline. DH cal and DH v (van’t Hoff enthalpy) were determined from the scanned data using the ORIGIN software program (version 4.0) (MicroCal Inc.). Qualitative thermodynamic parameters for...

Ngày tải lên: 07/03/2014, 21:20

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Đề tài " On the Julia set of a typical quadratic polynomial with a Siegel disk " ppt

Đề tài " On the Julia set of a typical quadratic polynomial with a Siegel disk " ppt

... of a drop U of minimal generation. It then follows the boundary of U along a nontrivial arc I. Finally, it returns along the boundaries of another chain of descendants of U until it reaches a ... case, the proof of Theorem A shows that the boundary of ∆ θ is a David circle, i.e., the image of the round circle under a David homeomorphism. It can be shown that, unlike quasiconformal maps, ... is the theorem of David on integrability of certain Beltrami differentials with unbounded dilatation [Da]. David’s integrability condition requires that for all large K, the area of the set of...

Ngày tải lên: 14/03/2014, 22:20

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Báo cáo khoa học: Esculentin-1b(1–18) – a membrane-active antimicrobial peptide that synergizes with antibiotics and modifies the expression level of a limited number of proteins in Escherichia coli doc

Báo cáo khoa học: Esculentin-1b(1–18) – a membrane-active antimicrobial peptide that synergizes with antibiotics and modifies the expression level of a limited number of proteins in Escherichia coli doc

... B=MIC B ị=n where A and B are the MICs of drug A and drug B in the combination, MIC A and MIC B are the MICs of drug A and drug B alone, FIC A and FIC B are the FICs of drug A and drug B and n is the number of ... purchased from Avanti Polar Lipids (Alabaster, AL, USA). FITC-Ds were purchased from Sigma. All other chemicals were reagent grade. For antimicrobial assays, the commercially available quality ... thank M. Simmaco for use of the facilities and platforms available in the DiMA Unit of the Sant’An- drea Hospital. This work was funded in part by Italian Ministero dell’Universita ` e Ricerca...

Ngày tải lên: 16/03/2014, 00:20

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A study in the growth mechanism of silicon nanowires with or without metal catalyst

A study in the growth mechanism of silicon nanowires with or without metal catalyst

... catalyst. This results in formation of only a few of SiNWs. The reaction temperature is usually decided with the consideration of the catalyst type. According to the binary phase diagram of a ... (7)). The above factors easily cause a low-crystal quality of as-received SiNWs even amorphous SiO 2 nanowires. 3.3. Advantage and disadvantage of with and without metal growth The mentioned metal-assisted ... nanowires fabricated with metal can be self-organized while a large scale of samples can be achieved with metal- free catalyst. The growth mechanism comparison between metal- and non-metal assisted...

Ngày tải lên: 16/03/2014, 15:09

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Báo cáo khoa học: Common mode of DNA binding to cold shock domains Crystal structure of hexathymidine bound to the domain-swapped form of a major cold shock protein from Bacillus caldolyticus pot

Báo cáo khoa học: Common mode of DNA binding to cold shock domains Crystal structure of hexathymidine bound to the domain-swapped form of a major cold shock protein from Bacillus caldolyticus pot

... oligosaccharide binding fold (OB-fold) proteins. The domain swap pairs one half, b strands 1–3, of Bc-Csp with the other half, b strands 4 and 5, of a second molecule and serves as proof of an unantici- pated ... sugar–phosphate backbone of the nucleotide in subsite 6 and the formation of the alternative subsite 7 are a consequence of the inaccessi- bility of Trp8 in this crystal form. In addition to their ... Mutational analysis of the puta- tive nucleic acid-binding surface of the cold-shock domain, CspB, revealed an essential role of aromatic and basic residues in binding of single-stranded DNA containing...

Ngày tải lên: 23/03/2014, 09:21

15 333 0
Báo cáo khoa học: Inhibition of a-synuclein fibrillization by dopamine analogs via reaction with the amino groups of a-synuclein Implication for dopaminergic neurodegeneration pot

Báo cáo khoa học: Inhibition of a-synuclein fibrillization by dopamine analogs via reaction with the amino groups of a-synuclein Implication for dopaminergic neurodegeneration pot

... Spectrophotometric characterization of the reactions of DA analogs with a- Syn and some amino acids. (A) UV-vis spectra of a- Syn with DA, CA, HQ and Q after reaction for 24 h. The a- Syn alone sample was as a control. ... different molecular masses, while the intact a- Syn gives a major peak with a molecular mass of 14 458 Da. Table 1 dis- plays the molecular masses and the proposed pattern of the monomeric adducts by these reactions. ... reactions. Reaction of a- Syn with these DA analogs gives a group of adducts with molecular masses larger than intact a- Syn (expectedly 14 460 Da). For the Q reaction, the additional mass is an exact multiple...

Ngày tải lên: 23/03/2014, 15:20

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Báo cáo khoa học: Mapping the binding domains of the aIIb subunit A study performed on the activated form of the platelet integrin aIIbb3 pot

Báo cáo khoa học: Mapping the binding domains of the aIIb subunit A study performed on the activated form of the platelet integrin aIIbb3 pot

... heterozygosity of the GPIIb gene in a Swiss patient with Glanzmann’s thrombasthenia. Br.J.Haematol.102, 918–925. 49. Tao,J.,Arias-Sagado,E.G.,Gonzalez-Manchon,C.,Iruin,G., Butta, N., Ayuso, M.S. & Parrilla, ... Corp.) at 37 °C, with continuous stirring at 1200 r.p.m. The maximal aggregation, achieved within 3 min after addition of the agonist, was determined and expressed as a percentage of 100% light transmission ... functions, has led to extensive research in the development of small RGD-containing peptides as anti- thrombotic agents. Elucidation of the pharmacophoric nature of the Asp and Arg side-chains allowed...

Ngày tải lên: 31/03/2014, 07:20

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báo cáo hóa học: "The psychometric validation of a US English satisfaction measure for patients with benign prostatic hyperplasia and lower urinary tract symptoms" potx

báo cáo hóa học: "The psychometric validation of a US English satisfaction measure for patients with benign prostatic hyperplasia and lower urinary tract symptoms" potx

... of data and revision of the manuscript. AG par- ticipated in the study design, analysis and interpretation of data and drafting the manuscript. BM participated in the acquisition of data and the ... individual symptoms provided additional useful information on patient satisfaction with BPH phar- macotherapy above and beyond what was already pro- vided by global satisfaction. A draft of the questionnaire was ... perceptions of change and their satisfaction with that change. Using data from a randomized clinical trial in the USA, the results support the reliability, validity and responsiveness to change of the...

Ngày tải lên: 18/06/2014, 18:20

8 492 0
báo cáo hóa học: " Comparison of the discriminative ability of a generic and a condition-specific OHRQoL measure in adolescents with and without normative need for orthodontic treatment" potx

báo cáo hóa học: " Comparison of the discriminative ability of a generic and a condition-specific OHRQoL measure in adolescents with and without normative need for orthodontic treatment" potx

... words, occlusal traits that affect dental appearance and have an impact on participants' daily lives may not be captured by IOTN. In addition, DAI has many more measures of malocclusion affecting the ... simultaneously, and thus collect information about wider effects of oral health on daily living. The main advantage of generic measures is that they allow comparison of various domains of quality of ... for individuals who have a DHC grade of 4 or 5, or grade 3 with an AC of 6 or above. All other cases were therefore classified as having no need. For DAI, 10 occlusal traits were assessed and a score was...

Ngày tải lên: 18/06/2014, 19:20

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Báo cáo toán học: " Shrinking projection algorithms for equilibrium problems with a bifunction defined on the dual space of a Banach space" doc

Báo cáo toán học: " Shrinking projection algorithms for equilibrium problems with a bifunction defined on the dual space of a Banach space" doc

... operator in Banach spaces and the concept of the generalized nonexpansive mapping in Banach spaces. Honda et al. [11], Kohsaka and Takahashi [12] also studied some properties for the gen- eralized ... solutions of an equilibrium problem and the set of fixed points of a relatively nonexpansive mapping in Banach spaces. Ibaraki and Taka- hashi [10] introduced a new resolvent of a maximal monotone ... YJC and ZW carried out the studies on nonlinear analysis and applications, wrote this article together and participated in its design of this paper. All authors read and approved the final manuscript. Competing...

Ngày tải lên: 20/06/2014, 21:20

11 396 0
báo cáo hóa học:" Research Article Note on the Persistent Property of a Discrete Lotka-Volterra Competitive System with Delays and Feedback Controls" pptx

báo cáo hóa học:" Research Article Note on the Persistent Property of a Discrete Lotka-Volterra Competitive System with Delays and Feedback Controls" pptx

... conditions on the coefficients are given to guarantee that all the species are permanent. It is shown that these conditions are weaker than those of Liao et al. 2008. 1. Introduction Traditional Lotka-Volterra ... 4 Advances in Difference Equations 2. Proof of Theorem 1.2 The following lemma can be found in 10. Lemma 2.1. Assume that A& gt;0 and y0 > 0, and further suppose that (1) y  n  1  ≤ Ay  n   ... exponentially for 2 ≤ i ≤ N, and u i t → X ∗ , where X ∗ is a certain solution of a logistic equation. Teng 8 and Ahmad and Stamova 9 also studied the coexistence on a nonautonomous Lotka-Volterra...

Ngày tải lên: 21/06/2014, 11:20

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