physical properties and structures of acyl compounds

Synthesis, physical properties and applications of bisanthene based near infrared dyes and semiconductors

Ngày tải lên : 10/09/2015, 08:38

... VIII LIST OF TABLES Table 2.1 Summary of photophysical and electrochemical properties of compounds 24, 2-5 and 2-6…………………… ………………………………………………….35 Table 3.1 Summary of photophysical and electrochemical ... electrochemical properties of ODI and ODICN……………………………………………………………………………………59 Table 3.2 Characteristics of ODI-CN based FET devices………………… …… 65 Table 4.1 Photophysical and electrochemical data of compounds ... mode……………………………………….……………………………… 68 Figure 4.1 Structures of compounds 4-1, 4-2, 4-3, 4-4 and 4-5…………….… … 87 Figure 4.2 UV-vis-NIR absorption (a) and fluorescence spectra (b) of compounds 4-1, 4-2 and 4-3 in dilute toluene...

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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

Ngày tải lên : 30/03/2014, 11:20

... of the structural and functional properties of the native proteins and thus may offer a useful basis for the design of agents for therapeutic intervention [7] Studies of different fragments and ... Therefore, the objectives of this study were to analyze (a) the effect of KL4 on the physical properties of membranes, in the absence and presence of Ca2+, using ﬂuorescence anisotropy of 1,6-diphenyl-1,3,5-hexatriene ... as the effect of these lipids on the physical properties of the membrane Effect of KL4 on the lipid order of surfactant-like membranes To evaluate KL4 effects on the lipid order of surfactant-like...

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Synthesis, physical properties and biradical characters of zethrene based polycylic hydrocarbons 2

Ngày tải lên : 10/09/2015, 09:28

... blue and red color denote negative and positive charges, respectively 2.2.3 Photophysical and electrochemical properties Both compounds 2-3 and 2-8 are soluble in common organic solvents and 2-3 ... teranthene and quarteranthene derivatives 1-39 and 1-40, moderate to large biradical character and an edge localization of unpaired electrons are confirmed by a combination of physical measurements and ... distribution of the unpaired electrons at the zigzag edges The investigations of the anthene series have paved the way to understand the intrinsic properties of zigzag edged GNRs and the fabrications of...

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Synthesis, physical properties and biradical characters of zethrene based polycylic hydrocarbons 1

Ngày tải lên : 10/09/2015, 09:30

... electrochemical properties of compounds 2-3 and 4-3 Table 5.1 Photophysical and electrochemical properties of compounds 5-1 and 5-2 ix List of Figures Figure 1.1 Examples of low band gap PHs Figure 1.2 ... electrochemical properties of compounds 2-3, 2-8 Table 3.1 Photophysical data of ZDI compounds recorded in DCM Table 3.2 Electrochemical data of ZDI compounds Table 4.1 Photophysical and electrochemical properties ... bulb), (c) change of optical density of 2-3 and 4-3 as a function of irradiation time Figure 5.1 Resonance structures of two DBHZ isomers and chemical structures of heptazethrene, 5-1 and 5-2 Figure...

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Structures, properties, and applications of soluble polyazulene and azulene containing copolymers 4

Ngày tải lên : 17/09/2015, 17:19

... voltammograms of model compounds (10-3 M) in 0.1 M TBAHFP CH2Cl2 solution Structure analysis of the model compounds Although we have studied the optical and electronic properties of these model compounds, ... the chemical shift of the azulene protons and the bond alternation To estimate the influence of steric and conjugation effect of the side phenyl groups, a series model compounds and related polymers ... expected structures for these model compounds (a) 245 (b) Figure 8-3 Aromatic region of the 1HNMR spectra of models compounds in CDCl3: (a), M26A, (b), M26B The absorption spectra of these model compounds...

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Structures, properties, and applications of soluble polyazulene and azulene containing copolymers 3

Ngày tải lên : 17/09/2015, 17:19

... optical and electrical properties were studied as model compounds for the corresponding polymers Results and Discussion Model compounds design and synthesis Synthesis and characterization of Monoa and ... excellent candidates for electronic materials.9-12 Thus, to have a better understanding of the polymer structure and properties, we prepared the single-crystals of a series of monomers and oligomers ... Structure of Oligoa and Oligob Single crystal of Oligoa and Oligob were obtained and their molecular structure and atomic numbering are shown in Figure 4-7a The crystallographic parameters for these structures...

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Structures, properties, and applications of soluble polyazulene and azulene containing copolymers 2

Ngày tải lên : 17/09/2015, 17:19

... likely candidates because of their high thermal and environmental stability both in neutral and doped states, variety of molecular designs and wide range of potential applications The properties of ... 5.1.3 The crystal structure of oligomers Knowledge of the structure is of vital important for the proper understanding of all physical properties of polymers The comparison of diffractograms calculated ... Reduction of band gap conjugated polymers As we discussed above, the values of Eg (HOMO-LUMO separation) determines the electrical and optical properties of the resulting polymers, and is therefore of...

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Structures, properties, and applications of soluble polyazulene and azulene containing copolymers 1

Ngày tải lên : 17/09/2015, 17:19

... crystal structure of model compounds 193 UV/vis spectra and MLCT effect in the model compounds 198 Synthesis of hybrids of polymer and ruthenium carbonyl cluster 200 The chromium of ruthenium carbonyl ... protonation, model compounds and their single crystals were xvi prepared and studied Their structures and properties revealed that they are ideal model compounds for the corresponding materials, and in fact, ... sensor and catalysis (Ch.6) Properties of neutralstate polymers correlated to model compounds and their single crystal analysis (Ch.4) Association of conjugation effect to properties of main...

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Comparison of the physical properties and sealing ability of MTA and portland cement

Ngày tải lên : 03/10/2015, 20:59

... sealing ability and biocompatibility of MTA, there are a very limited number of studies which examined the physical properties and none of these had examined the physical properties of WMTA Studies ... LIST OF TABLES Table 4.1 Summary of the physical properties of the cements Table 4.2 Summary of the statistical differences for the physical properties between the groups 84 85 Table 5.1 Depth of ... Manuscript Draft for Journal of Endodontics: Comparison Of The Physical And Mechanical Properties Of MTA and Portland Cement 71 4.1 Abstract 72 4.2 Introduction 73 4.3 Materials and Methods 76 4.3.1...

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Báo cáo khoa học: Functional dissection of Escherichia coli phosphotransacetylase structural domains and analysis of key compounds involved in activity regulation potx

Ngày tải lên : 06/03/2014, 11:20

... from CONICET and ´ ´ Agencia Nacional de Promocion Cientı´ ﬁca y Tecnologica M F Drincovich and C S Andreo are members of the Researcher Career of CONICET, and V A Campos-Bermudez and F P Bologna ... Regulatory properties of the recombinant E coli Pta and Pta-F3 in the acetyl-CoA (Ac-CoA)-forming or acetyl phosphate (Ac-P)-forming directions (A) The activities of Pta and Pta-F3 in the forward and ... obtained for Pta-F2 and Pta-F1 (B) Activation of the acetyl phosphate synthesis activity of E coli Pta by different concentrations of pyruvate and PEP Results are presented as percentage of activity...

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Báo cáo Y học: The sodium pump Its molecular properties and mechanics of ion transport potx

Ngày tải lên : 24/03/2014, 00:21

... or K+ ions A number of isoforms of the a and b subunits has been isolated from various tissues of numerous species, and it has been repeatedly demonstrated that the function of Na+/ K+-ATPase requires ... groups of Val304, Ala305, and Ile307 (M4) and through the side-chain oxygen atoms of Asn796 and Asp800 (M6) and Glu309 (M4) [26] A similar situation could be assumed for the coordination of cations ... distributed isoform, there is the b2 isoform that is found in excitable tissues (muscle and nervous tissue), the b3 in testes, adrenal, and brain, and the bm in skeletal and heart muscle In view of the...

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Báo cáo Y học: Isolation, enzymatic properties, and mode of action of an exo-1,3-b-glucanase from Trichoderma viride doc

Ngày tải lên : 24/03/2014, 04:21

... hydrolysis of 1,3-b-oligoglucosides, the subsite theory of Hiromi [46,47] was employed for construction of a subsite map for the estimation of afﬁnities and number of subsites in the active center of ... Km and Vmax for hydrolysis of G6G are similar to those of G3G (Tables and 4) Therefore, it may be assumed that the enzyme has a mixed mode of action towards laminarins and that it is capable of ... purity of b-oligoglucosides was analyzed by TLC and 1H and 13C NMR spectroscopy as described below Published values for 1H and 13C chemical shifts of b-oligosaccharides with different DP and linkage...

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electrolysis and electrosynthesis of organic compounds

Ngày tải lên : 02/04/2014, 16:00

... xi I ELECTROLYSIS AND ELECTROSYNTHESIS OF ALIPHATIC COMPOUNDS i (a) Hydroxyl Compounds Propyl alcohol Ethyl alcohol Butyl Methyl alcohol alcohol (lodoform, Chloroform, Brornoform) [Aristol, 1-6 ... importance of these data and the fact that the result dependent upon the density and potential of the electric current and the influence of of the electrolysis is the dissociative power of solutions, a ... C H , solution of the by Aarland, yielded, small traces of acrylic and mesaconic acid Mesaconic Acid, under the same the same hydrocarbon and conditions, gives traces of acrylic and itaconic acid...

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báo cáo hóa học: " Physical activity and quality of life in community dwelling older adults" pptx

Ngày tải lên : 18/06/2014, 19:20

... important component of the physical activity and QOL relationship Physical Activity, Quality of Life, and Demographics As noted earlier, relationships among physical activity and quality of life have ... determinant of QOL We used the 6-item physical self-worth scale of Fox and Corbin's Physical Self-Perception Profile [33] A sample item from this scale is "I am extremely proud of who I am and what ... been reported in a study of individuals with multiple sclerosis [8] In the context of older adults, a number of physical and psychosocial factors might represent mental and physical health status...

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