The jeoparadised wonderland of aquatic ecosystem

Kumar, Deepa S.

doi:10.12944/cwe.5.2.14

Cited by 2 publications

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“…28–30 The paramount importance of protein oligomerization in controlling and regulating the normal cell functioning highlights the necessity of precise detection and correct enumeration of aggregated species on nanometer scale. Among a huge variety of analytical tools used for the quantification of polypeptide oligomerization, one of the leading positions belongs to FRET.…”

Section: Discussionmentioning

confidence: 99%

Förster Resonance Energy Transfer Evidence for Lysozyme Oligomerization in Lipid Environment

et al. 2010

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Intermolecular time-resolved and single-molecule Förster resonance energy transfer (FRET) have been applied to detect quantitatively the aggregation of polycationic protein lysozyme (Lz) in the presence of lipid vesicles composed of phosphatidylcholine (PC) and its mixture with 5, 10, 20, or 40 mol % of phosphatidylglycerol (PG) (PG5, PG10, PG20, or PG40, respectively). Upon binding to PC, PG5, or PG10 model membranes, Lz was found to retain its native monomeric conformation, while increasing content of anionic lipid up to 20 or 40 mol % resulted in the formation of Lz aggregates. The structural parameters of protein self-association (the degree of oligomerization, the distance between the monomers in protein assembly, and the fraction of donors present in oligomers) have been derived. The crucial role of the factors such as lateral density of the adsorbed protein and electrostatic and hydrophobic Lz–lipid interactions in controlling the protein self-association behavior has been proposed.

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Section: Discussionmentioning

confidence: 99%

Förster Resonance Energy Transfer Evidence for Lysozyme Oligomerization in Lipid Environment

et al. 2010

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“…[4][5][6][7] Owing to the large p-orbital overlap between adjacent molecules, the formed highly ordered Col phases possess fast mobility of charges and energies, which results in DLCs with unique optoelectronic properties, such as one-dimensional conductors, photoconductors, photovoltaic solar cells, and eld effect transistors. [8][9][10][11][12][13] Among many kinds of typical DLCs, hexa-substituted benzene, 1,14,15 triphenylene, 16,17 truxene, [18][19][20] naphthalene, 21,22 and perylene 23 are the mainly investigated discogens and have been successively reported. Triphenylene based derivatives are especially the most promising ones from viewpoint of easy synthesis, thermally and chemically stable, and also varieties of mesophases.…”

Section: Introductionmentioning

confidence: 99%

Mesogen jacketed liquid crystalline polyacetylene containing triphenylene discogen: synthesis and phase structure

Lam

Zhao

et al. 2013

Polym. Chem.

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Triphenylene-containing acetylenes with one or three methylene units as spacers and the corresponding mesogen-jacketed liquid crystalline polyacetylenes (MJLCPAs) were designed and synthesized, the mesomorphic properties and phase behaviors of the monomers and novel side-chain liquid crystalline polymers were investigated. The monomers [HC^C(CH 2 ) m C 18 H 6 (OC 6 H 13 ) 5 ; m ¼ 1, 3] are prepared by consecutive etherization, coupling, and etherization reactions, and the chemical structures were confirmed by mass spectroscopy and 1 H/ 13 C-NMR. The phase behaviors of the monomers were investigated by differential scanning calorimetry (DSC), polarized light microscopy (PLM), and wideangle X-ray diffraction (WAXD). The results show that both of the monomers form a hexagonal columnar liquid crystal phase at room temperature. The monomers are polymerized using [Rh(nbd)Cl] 2 as catalyst and producing soluble polymers in the yields of 55% and 52%, respectively. The chemical structures and phase behaviors of the two polymers are characterized and evaluated by IR, NMR, TGA, DSC, and WAXD analyses. Both of the two polymers show enhanced thermal and chemical stability with thermal decomposition temperatures up to higher than 340 C due to the protection of the "jacketed effect" of the side-chain triphenylenes wrapped around the rigid polyacetylene main-chain. The polymers adopt a columnar shaped structure and self-organized into hexagonally packed columnar phase. The relative electron density maps of the columnar structure are also reconstructed.

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The jeoparadised wonderland of aquatic ecosystem

Cited by 2 publications

References 0 publications

Förster Resonance Energy Transfer Evidence for Lysozyme Oligomerization in Lipid Environment

Förster Resonance Energy Transfer Evidence for Lysozyme Oligomerization in Lipid Environment

Mesogen jacketed liquid crystalline polyacetylene containing triphenylene discogen: synthesis and phase structure

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