synthesis structure and surface activity
Tài liệu Báo cáo khoa học: Design, structure and biological activity of b-turn peptides of CD2 protein for inhibition of T-cell adhesion ppt
... of hCD2 and rat CD2 3D structures indicated that Tyr86 and Glu36 side chains overlap in hCD2 and rat CD2 and oriented in the same direction in both the structures To stabilize the b-turn structure ... Human-CD2 and rat-CD2 have high 3D structure similarity Comparison of 3D structures of hCD2 from CD2–CD58 complex [30] and the structure of rat CD2 [36] using DS modeling (Accelrys Inc., Sandiego, ... N- and C-termini A comparison of the b-turn structure of cER with the similar region in the crystal structure of rat and human CD2 was carried out In the rat CD2 crystal structure, the b-turn structure...
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synthesis, structure and magnetic properties of iron-doped tungsten oxide nanorods
... Fe 2p1/2, and Ni 2p photoelectrons in the asprepared nanorods for original surface and surface after argon-ion etching for 150 s, respectively The original surface consists of WO3 and non-stoichiometric ... chemical bonding structure of the as-prepared products was determined by X-ray photoelectron spectroscopy (XPS) employing a 1486.8 eV source Spectra of the original sample surface and surface after ... covering the nanorods and several nanoparticles adhering to the surface of the nanorods, ðc; dÞ high resolution TEM images show amorphous film over the surface of a nanorod and well-crystallized...
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Báo cáo khoa học: Physical properties and surface activity of surfactant-like membranes containing the cationic and hydrophobic peptide KL4 potx
... the presence of Ca2+, which caused surface charge neutralization and ⁄ or PA extraction Role of the lipid composition and peptide structure on surface adsorption activity Figure shows the ability ... presence of Ca2+, using CD and (c) the role of the lipid composition and peptide structure on surface adsorption activity Results and Discussion This study was performed with four different types ... experimental and clinical meconium aspiration syndrome [13] and in patients with acute respiratory distress syndrome (ARDS) [14] The surface activity of KL4 peptide incorporated in bilayers and monolayers...
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Báo cáo khoa học: Effects of a tryptophanyl substitution on the structure and antimicrobial activity of C-terminally truncated gaegurin 4 doc
... previously [15], the 49 accepted structures were refined, and finally 20 structures with the lowest energies were chosen to represent the solution structure RESULTS AND DISCUSSION Biological activities ... antimicrobial activity against prokaryotic cells, but very little hemolytic Ó FEBS 2002 Structure activity relationships of GGN4 analogues (Eur J Biochem 269) 4369 Table Antimicrobial activity (a) and ... including the native GGN4, showed a strong negative band near 200 nm and a weak and broad band around 222 nm, indicating a predominantly random-coil conformation with a slight helical propensity...
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Báo cáo hóa học: "Synthesis, structure and magnetic properties of b-MnO2 nanorods" pptx
... temperature-dependent magnetism of this material Synthesis and characterization The synthesis of the b-MnO2 nanorods involved LiOH, Mn(NO3)2 · H2O and citric acid in a molar ratio 1.2:2:3.2 as the ... autoclave Hydrothermal synthesis was performed at 100 °C for 48 h The product was filtered and rinsed with ethanol and dried at 100 °C for 12 h The polymer involved in the synthesis was fired out ... single-crystalline cubic MnO and tetragonal Mn3O4 nanowires was reported to be the final product of a synthesis involving thermal evaporation of MnCl2 under argon flow, and the nanowires showed unusual...
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Báo cáo lâm nghiệp: "Neuroptera, Raphidioptera and Mecoptera assemblages inhabiting young spruce (Picea abies) forests: dominance structure and seasonal activity patterns" docx
... trees Holuša and Vidlička (2002) observed the peak of its activity in spruce forests of Paskovský les and Loucký les at the end of May in 1998 The delay of its flight activity in highlands, compared ... trap is a passive, non-powered and continuously operating tent-like trap Its height is m and collecting surface is approximately m2 Collecting sheets are black and a covering sheet is white The ... drought and infestation by honey fungus By comparison, other localities are covered with much closer and denser spruce forests as in the surroundings of Skřipov Localities Lesní Albrechtice and Skřipov...
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SYNTHESIS, STRUCTURE AND CATALYTIC APPLICATION OF NOVEL CARBENE COMPLEXES WITH BENZOTHIAZOLIN 2 YLIDENE LIGANDS 1
... Benzothiazolin-2-ylidene Ligands Chapter One: Introduction Project Aims and Thesis Overview and other auxiliary ligands (phosphine, aromatic N-heterocycle, pyridyl- and azole ligands) and their use in catalysts ... alkoxyphenylcarbene ligand is 17 Synthesis, Structure and Catalytic Application of Novel Carbene Complexes with Benzothiazolin-2-ylidene Ligands Chapter One: Introduction Preparative methods for NSHC- and NNHC- ... Ag O and carbene precursors and they have become widely used carbene transfer 18 Synthesis, Structure and Catalytic Application of Novel Carbene Complexes with Benzothiazolin-2-ylidene Ligands...
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SYNTHESIS, STRUCTURE AND CATALYTIC APPLICATION OF NOVEL CARBENE COMPLEXES WITH BENZOTHIAZOLIN 2 YLIDENE LIGANDS 2
... described and compared 55 Synthesis, Structure and Catalytic Application of Novel Carbene Complexes with Benzothiazolin-2-ylidene Ligands Chapter two: Results and Discussion Part I 2.4 Synthesis and ... 42 Synthesis, Structure and Catalytic Application of Novel Carbene Complexes with Benzothiazolin-2-ylidene Ligands Chapter two: Results and Discussion Part I 2.3 Synthesis of Mono-, Bis- and ... bromo, and two bridging µ48 Synthesis, Structure and Catalytic Application of Novel Carbene Complexes with Benzothiazolin-2-ylidene Ligands Chapter two: Results and Discussion Part I bromo ligands...
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SYNTHESIS, STRUCTURE AND CATALYTIC APPLICATION OF NOVEL CARBENE COMPLEXES WITH BENZOTHIAZOLIN 2 YLIDENE LIGANDS 3
... 168 Synthesis, Structure and Catalytic Application of Novel Carbene Complexes with Benzothiazolin-2-ylidene Ligands Chapter Three: Experimental Experimental 3.2.4 Synthesis of Complexes 2.2(b) and ... 5.15; S, 5.83 166 Synthesis, Structure and Catalytic Application of Novel Carbene Complexes with Benzothiazolin-2-ylidene Ligands Chapter Three: Experimental Experimental 3.2.3 Synthesis of Complexes ... parameters and one of them is disordered into two positions at a 50:50 ratio 161 Synthesis, Structure and Catalytic Application of Novel Carbene Complexes with Benzothiazolin-2-ylidene Ligands Chapter...
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SYNTHESIS, STRUCTURE AND CATALYTIC APPLICATION OF NOVEL CARBENE COMPLEXES WITH BENZOTHIAZOLIN 2 YLIDENE LIGANDS 4
... N-heterocycle ligands (less donor ability co-ligands) while a downfield shift is observed for phosphine ligands (more donor ability co-ligands) 210 Chapter Four S N Conclusion and Summary P S ... Sections 2.4-2.8 discusses the synthesis and characterization of a range of mixed-NSHC-L Pd(II) complexes (L = phosphine, aromatic N-heterocycles, pyridyl and azole ligands (2.9-2.27)) They are obtained ... orientation and significantly on the inter-planar angle between the Pt coordination and the heterocycle planes Finally, the five- and six-membered fused-ring imidazolium, thiazolium and benzimidazolium...
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Synthesis, structure and magnetic properties of nanowires and films by electrodeposition
... can show two unique nanostructures They were bamboolike and layer-like structures The bamboo-like and layer-like structures were found at atomic percentage of Co 15% and 25%, respectively The ... 4.2.1 Structure and microstructure of Ni nanowires………………………… 87 4.2.2 Magnetic properties of Ni nanowires………………………………… 91 vii 4.3 Co nanowires……………………………………………………………… 93 4.3.1 Structure and microstructure ... 4.4.1 Structure and microstructure of Fe nanowires…………………… … 97 4.4.2 Magnetic properties of Fe nanowires………………………………… 100 4.5 Cu nanowires……………………………………………………………… 102 4.5.1 Structure and microstructure...
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INFLUENCE OF STREAMSIDE SURFACE AREA ON AQUATIC BIOTA AND BIOFILM ACTIVITY
... increase in surface area and porosity of streamside on the amount and succession along with the downstream distance of aquatic biota in each trophic level, and (2) a separate evaluation of the activity ... a highly repeatable and easy to measure method for estimating biofilm activity (Hanes and Irvine, 1968) Moreover, it is possible to separate a specific microbial activity and quantify it by adding ... protozoa and metazoa, their density per surface area was high in the gravel-filled channel, and oxygen uptake rate downstream also became higher Based on the above, it suggests that surface area and...
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ANALYSIS OF MICROBIAL COMMUNITY STRUCTURE AND IN SITU ACTIVITY OF NITRIFYING BIOFILMS
... microenvironment, and (3) the measurement of their in situ activity Combination of FISH and microsensor technology became a powerful and reliable tool during the last two decades The structure and principle ... nitrifying bacterial populations and the in situ activity of these populations within the biofilms was discussed Microsensors For analysis of microbial structure and function (activity) of such complex ... situ hybridization (FISH) and microsensor techniques have a high spatial (at a single-cell resolution) and temporal resolution and great potential, and provide reliable and direct information about...
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Tài liệu Báo cáo Y học: A Raman optical activity study of rheomorphism in caseins, synucleins and tau New insight into the structure and behaviour of natively unfolded proteins pot
... and jcasein ROA bands are therefore assigned to PPII structure The positive ROA bands in b- and j-casein at » 1290± 1295 cm)1 may originate in other types of loops and turns A negative ROA band ... helical structure and » 20% b structure in both aS1- and b-casein, but different ®ne structure in the two Raman spectra suggested that their conformations are not identical [47] UVCD and FTIR ... b- and c-synuclein and cannot cross-seed its homologs J Biol Chem 275, 34574±34579 13 Cleveland, D.W., Hwo, S.H & Kirschner, M.W (1977) Physical and chemical properties of puri®ed tau factor and...
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Báo cáo khoa học: DmGEN shows a flap endonuclease activity, cleaving the blocked-flap structure and model replication fork docx
... endonuclease activity, and the E143A E145A double mutant lacks such activity (Fig 3B) Thus, DmGEN cleaves the flap structure substrate at the junction between the ssDNA and dsDNA, and subsequently ... previously reported that DmGEN has both 5¢)3¢ and 3¢)5¢ exonuclease activity and endonuclease activity at a site or bp from the 5¢-end in doublestranded DNA (dsDNA) [7] The mutants were used to ... conserved nuclease domains (N and I domains), and these are essential for nuclease activity and substrate specificity DmGEN also has these conserved nuclease domains The N and I domains of DmGEN were...
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Báo cáo khoa học: NovelN,N¢-diacyl-1,3-diaminopropyl-2-carbamoyl bivalent cationic lipids for gene delivery – synthesis,in vitro transfection activity, and physicochemical characterization docx
... interstitial water and reduces surface tension, allowing a greater reduction in the available surface area of the monolayer prior to its collapse The dimyristoyl and dioleoyl derivatives 1,3lb2 and 1,3lb5, ... carriers in our laboratory and the structureactivity data collected for the various series contribute to the long-term goals of understanding the mechanism of lipofection, and the rational design ... Bhattacharya S (2007) Design, synthesis, and in vitro gene delivery efcacies of novel cholesterol-based gemini cationic lipids and their serum compatibility: a structureactivity investigation J Med...
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Báo cáo Y học: Synthesis, conformational analysis and biological activity of cyclic analogs of the octadecaneuropeptide ODN Design of a potent endozepine antagonist pot
... NMR structure determination (file parallhdg.pro and topallhdg.pro) was used, and an initial structure was built by randomly generating F and C angles In the calculations starting from random structure, ... Ha-Leu5 and NH-Leu7, Ha-Leu6 and NH-Lys8, in combination with the coupling constants and slow H/D exchange of NH-Leu4, NH-Lys8, suggested a first turn centered on the Gly3 and Leu4 residues, and a ... peptide synthesis Int J Peptide Protein Res 36, 255 –266 Charpentier, B., Dor, A., Roy, P., England, P., Pham, H., Durieux, C & Roques, B.P (1989) Synthesis and binding affinities of cyclic and related...
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Báo cáo khoa học: An asymmetric ion channel derived from gramicidin A Synthesis, function and NMR structure ppt
... types: those between aHi and NHi+6 (i ¼ 1, 3, and for chain A, and 1, 3, 5, 7, and for chain B); and those between aHi and NHi-6 (i ¼ 10 and for chain A, and 14, 12, 10, and for chain B) These ... The left-handed doublehelix structure transformed into two single-stranded right-handed b-helices with 6.3 residues per turn Whereas the left-handed double b-helix is consistent with the structure ... A and Trp15 of chain B are highly uncertain (with three and four unambiguous data points and R of 0.98 and 0.98, respectively) Fig NOESY spectrum (150 ms) in the region of (F2) 9.7–8.0 p.p.m and...
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Báo cáo khoa học: Structure and activity of the atypical serine kinase Rio1 doc
... LaRonde-LeBlanc et al Structure and activity of the Rio1 kinase Fig The structure and conservation of Rio1 (A) The structure of APO-Rio1 showing the important kinase domain features and the Rio1specific ... 272 (2005) 3698–3713 ª 2005 FEBS Structure and activity of the Rio1 kinase two lobes which sandwich ATP and contains the catalytic loop, the metal-binding loop, and the nucleotidebinding loop (P-loop, ... in the P-loop and the triphosphate moiety described above (Fig 4B) The flexible loop, located between the end of helix aC and the start of b-strand 4, became 3705 Structure and activity of the...
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Báo cáo hóa học: " Synthesis, Optical Properties, and Photocatalytic Activity of One-Dimensional CdS@ZnS Core-Shell Nanocomposites" pdf
... has a wider band gap (Eg = 3.7 eV) than CdS The surface modification of a wide band gap semiconducting shell around a narrow band gap core can alter the charge, functionality, and reactivity of ... chromator and Cu Ka radiation (k = 1.5418 A) in the range of 15–80° at room temperature while the tube voltage and electric current were held at 40 kV and 20 mA The morphology and microstructure ... showing significantly improved photocatalytic activity than others The enhanced photocatalytic activity may be due to the surface charge modification and surface electronic states passivation of CdS...
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