Monomer

Sort By:
Decent Essays
Good Essays
Better Essays
Amazing Essays
Best Essays
    Page 1 of 22 - About 217 Essays
  • Good Essays

    In such scenario, activation energy could be lost if the neighboring rhodopsin, the one not associated with Gtα would be excited by a photon. However, this loss could be prevented if asymmetric rhodopsin activation exists. In fact, ligand induced allosteric modulation between receptor protomers within the dimer has been demonstrated for other GPCRs. Thus, conformational changes induced by a photon in the rhodopsin monomer that does not physically interact with Gtα would induce structural evolution towards Meta II active state in the Gtα-precoupled rhodopsin (Neri et al., 2010). Such mechanism would be critical to enhance efficiency of rhodopsin activation and potentially its desensitization. Membrane MD simulations of a rhodopsin dimer revealed that rhodopsin activation can occur in an asymmetric manner where structural changes occurring in the photoactivated rhodopsin stimulate conformational rearrangements in the neighboring, not activated rhodopsin involving disruption of an “ionic lock”, movement of helix TM3 and opening of the G-protein binding domain thus triggering an evolution toward the active Meta II state of rhodopsin. In support of such possibility…

    • 1082 Words
    • 4 Pages
    Good Essays
  • Better Essays

    layer. The photovoltaic performance was measured in the air inside the glove box. The current density–voltage (J–V) curve of the device was obtained using a computer-controlled Keithley 4200 source measurement unit under AM 1.5G (100 mW cm-2) simulated by an Oriel solar simulator (Oriel 91160A). The measurements were repeated thrice to eliminate experimental error. Results and discussion Synthesis, characterization and physical properties The monomers required for the polymer…

    • 865 Words
    • 4 Pages
    Better Essays
  • Better Essays

    Another example: styrene monomers join together to make polystyrene: Below the diagram of styrene you can see a model of the styrene monomer and the polystyrene molecule it forms. It's amazing how that cute little styrene monomer can make a long twisted chain of polystyrene like that. Pretty cool! Now drag your mouse over each model to see them in 3-D. Some Assembly Required Polymers don't start out big. They start as tiny little molecules. But how do they do that? Click here to make your…

    • 848 Words
    • 4 Pages
    Better Essays
  • Amazing Essays

    Importance Of Polymers

    • 1345 Words
    • 6 Pages

    Polymer - A word, which is connote for large molecules (that a molecule made from simple repeating units called monomers). The monomers are main building block of polymers. Polymers play an essential and ubiquitous role in everyday human life because of the extraordinary range of properties. Polymers are among the most widely used and important type of materials today. Polymers have been with us from the beginning of time; they form the very basis (building blocks) of life. Animals, plants all…

    • 1345 Words
    • 6 Pages
    Amazing Essays
  • Good Essays

    The synthesis of Aa-g-poly(MAA) involve the optimization of various reaction conditions like initiator concentration, monomer concentration, crosslinker concentration, solvent concentration and pH. After the optimization of various reaction parameters the replications were carried-out in triplicates for the reproducibility of the results and statistical of the results obtained. It was performed using the Statistical Package for Social Science (SPSS) version 10. Statistical results of the…

    • 884 Words
    • 4 Pages
    Good Essays
  • Amazing Essays

    Polymerisation Essay

    • 1122 Words
    • 5 Pages

    Part C Question 1 Addition polymerization In addition polymerization, polymer is formed by addition monomer without eliminating any product at specified temperature, pressure and presence of catalyst. Different methods of addition polymerization are free radical polymerization, cationic polymerization, anionic polymerization and coordination polymerization. Mainly addition polymerization occurs in the monomers having double bound. This process has three stages initiation, propagation,…

    • 1122 Words
    • 5 Pages
    Amazing Essays
  • Decent Essays

    The Ketchut Manufacture

    • 278 Words
    • 2 Pages

    More conjugated compounds absorb higher wavelengths/lower energies because as the wavelength increases the HOMO/LUMO gap (ΔE) decreases which is due to the compression of multiple molecular orbitals (ψ). According to Klein, the Ketchup stain (lycopene) on a shirt and upon application of bleach (NaClO), it breaks lycopene’s conjugation, therefore causing a decrease in conjugation; which directly correlates to the stain no longer being visible to the eye but when illuminating the shirt with…

    • 278 Words
    • 2 Pages
    Decent Essays
  • Decent Essays

    Macromolecules are in a clearing technique of life,which make up living beings. It is an expansive particle that is joined by littler atoms by shaping new bonds. Illustrations of Macromolecules would be nucleic acids, proteins, and polysaccharides (2 or more sugars). These segments are starches, lipids, proteins, and nucleic acids. Starches consisit completely of glucose monomers and are joined by glycosidic linkages, just found in plants. Lipids are a vast gathering of natural particles that…

    • 653 Words
    • 3 Pages
    Decent Essays
  • Good Essays

    Nvinyl Pyrrolidone

    • 553 Words
    • 3 Pages

    N-Vinyl pyrrolidone (NVP) and its copolymers attracting much attention and have been widely investigated for applications in different field due to its low toxicity, biocompatibility and good film forming (Hemalatha et al. 2014; Anasuya; Lee et al. 2007). The amide group in NVP is highly polar, which confirms it’s hydrophilic. NVP has been copolymerized with various monomers because the amide group has high affinity for many large and small molecules that are known to be good hydrogen-bond…

    • 553 Words
    • 3 Pages
    Good Essays
  • Good Essays

    Carbohydrates, lipids, proteins and nucleic acids are large biological molecules that play a major role in relation to the structure and function in plants and animals. These organic molecules consist of many examples and functions. Each biological molecule has a unique function and emergent properties that helps contribute to the cellular structure in both plants and animals. These biological molecules are known as macromolecules because they are large and are composed of thousands of atoms.…

    • 722 Words
    • 3 Pages
    Good Essays
  • Previous
    Page 1 2 3 4 5 6 7 8 9 22