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Showing 1 to 20 of 631 for “"Amide"”.
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Amide hydrolysis by catalytic antibodies
Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 1996.
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Enthalpies of transfer for amide-water-electrolyte systems
<p>The enthalpies of transfer for model amides, 1,1 -dimethylacetamide, N-methylacetamide, acetamide, formamide 1 N-methylformamide, N-acetylglycine-N-methylamide, N-acetylalanine-N-methylamide, N-acetylleucine-N-methyl-methylamide, and N-acetylglycylglycine-N-methylamide, from water to aqueous …
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Nucleobase-modified deoxyribozymes for amide and peptide hydrolysis
… experiments for DNA-catalyzed ester and amide bond hydrolysis employed an additional capture step to avoid identifying deoxyribozymes for phosphodiester cleavage, leading to the identification of deoxyribozymes for ester hydrolysis and aromatic amide hydrolysis. However, no deoxyribozymes …
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Catalytic antibodies for amide cleavage and prodrug activation
… thesis describes a novel approach to generate amide cleaving antibodies. Two haptens, O1 and O2, were designed and synthesized to create a hydrophobic pocket for an auxiliary nucleophile as well as elicit complementary basic/acidic side chain residues in the antibody combining binding site. The …
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Cocrystallisation involving the thioamide, amide and imide functional groups
… of novel cocrystals that incorporated the thioamide, amide and imide functional groups. A particular emphasis was placed on the characterisation of these cocrystals by single crystal X-ray diffraction methods. In Chapter One a summary of the intermolecular interactions utilised in this work and …
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Synthesis and characterization of alternating poly(amide urethane)s
… deals with the preparation of alternating poly(amide urethane)s which might be of interest for the manufacture of powder coatings. The synthesis of poly(amide urethane)s was performed in environmentally friendly way without using isocyanates or phosgene. The starting materials for the synthesis …
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Effects of n-acetylcysteine amide in preventing/treating cataracts
… of a thiol antioxidant, (R) -N-acetylcysteine amide (NACA), in preventing/reversing cataracts. To investigate NACA's ability to provide therapeutic benefits for cataracts, three different experimental models were utilized. The first was an ex-vivo cataract model, where culturing the rat lenses …
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Exploiting activated esters in novel chemoselective amide formation reactions
… in the synthesis of pharmaceutically relevant amides. It also includes the application of activated esters in chemoselective amide formation reactions. The introduction summarizes the significance and use of activating agents in lipase catalysed reactions over the classical methods of amides …
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Structure-property relationship of aliphatic segmented poly(ester amide)s
… applications of aliphatic segmented poly(ester amide)s (PEA)s for use as potential biomaterials. Three different series of PEAs with different microstructures containing isolated, two and three adjacent amide groups within a polybutylene adipate (PBA) chain have been synthesized. Analytical …
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Amide and Ester-Functionalized Humic Acid for Fuel Combustion Enhancement
… were evaluated. Butyl, hexyl, octyl, and decyl amide-modified and ester-modified humic acids were synthesized. These products were characterized to confirm successful chemical reaction through thermogravimetric analysis, Fourier-transform infrared spectroscopy, and scanning electron microscopy. …
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New insights into homo- and heterometallic alkali metal amide chemistry
… despite its structural similarity to diisopropylamide (DA) and 2,2,6,6-tetramethylpiperidide (TMP). By comparison of the complexes produced herein with appropriate complexes from the literature, it has been possible to experimentally determine that the steric bulk of cis-DMP closely resembles …
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PROTEIN HYDRATION DEPENDENCE OF THE AMIDE HYDROGEN EXCHANGE OF LYSOZYME.
… hydrogen exchange is similar for all backbone amides and involves few water lilolecules. Powder samples were hydrated either by isopiestic equilibration against H₂S0₄ or NaOH solutions or by addition and mixing of solvent to rapidly reach final hydration. Samples hydrated slowly by isopiestic …
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Spectroscopic Studies of Excited States in Carbene-Metal-Amide Emitters
… is a very active area of research. Carbene-Metal-Amides (CMAs) are a recent class of organometallic semiconductors with proposed applications in high-performance OLEDs. Fast triplet harvesting in CMAs occurs through thermally activated delayed fluorescence (TADF). In contrast to usual TADF …
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Interactions of GPR54 and GPR147 receptors with RF-amide ligands
… and its cognate peptide ligand, kisspeptin (an RFamide peptide), in the regulation of reproduction. Kisspeptin and GPR54 play a critical role in the control of the hypothalamic-pituitary-gonadal axis by regulating gonadotropin-releasing hormone secretion. Despite the physiological importance of …
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Arene bridged diuranium compounds supported by amide and ketimide ligands
… rest of the series is based on classical uranium amide compounds. The syntheses, structures (X-ray crystal structures and solution behavior based on variable temperature, VT, NMR data), spectroscopic (X-ray absorption near-edge structure, XANES, and electronic absorption - UV- vis-NIR) and …
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Synthesis Of A Novel Family Of Amide Derivatives Of Podocarpic Acid
As a class, amides are of great interest in biological studies and pharmaceutical application. In this work, podocarpic acid, a natural tricyclic diterpene, derived from Podocarpus species, has been employed to form a novel family of amide derivatives which will later be studied for their potential …
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