INTERMOLECULAR HYDROGEN BONDING

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KELEA: A Natural Energy That Seemingly Reduces Intermolecular Hydrogen Bonding in Water and Other Liquids

KELEA: A Natural Energy That Seemingly Reduces Intermolecular Hydrogen Bonding in Water and Other Liquids

... The alternative cellular energy (ACE) pathway was initially identified as a non-immunological de- fense mechanism against virus infections. It is particularly relevant to the suppression of stealth adapted viruses, which ...

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Cheilanthifoline

Cheilanthifoline

... packing, intermolecular hydrogen bonding between the hydroxy group and the methoxy O atom of an adjacent molecule leads to the formation of dimers ...

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Spectroscopic and Thermal studies of Anthralinic acid (Vitamin l) with Br and Cl

Spectroscopic and Thermal studies of Anthralinic acid (Vitamin l) with Br and Cl

... and hydrogen-bonded water ...extensive intermolecular hydrogen bonding in the crystal has been identified by the shifting of bands due to the stretching and bending modes of the various ...

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Di μ acetato κ4O:O′ bis­­[(1,10 phenanthroline κ2N,N′)(tri­fluoro­methane­sulfonato κO)copper(II)]

Di μ acetato κ4O:O′ bis­­[(1,10 phenanthroline κ2N,N′)(tri­fluoro­methane­sulfonato κO)copper(II)]

... by intermolecular hydrogen bonding interactions between methyl groups of acetato ligands (H14A) or phen ligands (H7 as hydrogen bond donor sites and H10) and oxygen/fluoride accepetors at ...

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Disordered 2,2′,3,3′,4,6,6′ hepta O pivaloyl α,α′ trehalose

Disordered 2,2′,3,3′,4,6,6′ hepta O pivaloyl α,α′ trehalose

... The structure of the title compound, C47H78O18, is characterized by intermolecular hydrogen bonding and a disordered pivaloyl group... Department of Chemistry, Aberdeen University, Mesto[r] ...

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A Review on Mucoadhesive Drug Delivery System

A Review on Mucoadhesive Drug Delivery System

... tough intermolecular hydrogen bonding with the mucosal layer, penetration of the polymer into the mucus network or tissue crevices, easy wetting of mucosal layer and high molecular weight of the ...

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2,3,7,8,12,13 Hexahydr­­oxy 10,15 di­hydro 5H tribenzo[a,d,g]cyclo­nonene acetone disolvate

2,3,7,8,12,13 Hexahydr­­oxy 10,15 di­hydro 5H tribenzo[a,d,g]cyclo­nonene acetone disolvate

... molecules. Intermolecular hydrogen-bonding and host–guest interactions define this dimeric clathrate complex, which is also part of a two-dimensional extensively hydrogen-bonded sheet invol- ...

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1,6,6 Tri­methyl 1,2,6,7,8,9 hexa­hydro­phen­anthro[1,2 b]furan 10,11 dione

1,6,6 Tri­methyl 1,2,6,7,8,9 hexa­hydro­phen­anthro[1,2 b]furan 10,11 dione

... C—H···O hydrogen bonds are observed in the molecular structure (Table 2), but no intermolecular hydrogen bonding is observed in the crystal ...

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Crystal structures of fac tri­carbonyl­chlorido­(6,6′ dihy­dr­oxy 2,2′ bi­pyridine)­rhenium(I) tetra­hydro­furan monosolvate and fac bromido­tricarbon­yl(6,6′ dihy­dr­oxy 2,2′ bi­pyridine)­manganese(I) tetra­hydro­furan monosolvate

Crystal structures of fac tri­carbonyl­chlorido­(6,6′ dihy­dr­oxy 2,2′ bi­pyridine)­rhenium(I) tetra­hydro­furan monosolvate and fac bromido­tricarbon­yl(6,6′ dihy­dr­oxy 2,2′ bi­pyridine)­manganese(I) tetra­hydro­furan monosolvate

... to intermolecular hydrogen bonding between a hydroxy group from the 6,6 0 -dihydroxy-2,2 0 -bipyridine ligand and the halide ligand from a neighboring ...is hydrogen bonded to the remaining ...

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Enoxacin hydro­iodide

Enoxacin hydro­iodide

... lecular hydrogen bond with the carbonyl O atom of the naphthyridine system, thus forming a six-membered pseudo- ...and intermolecular hydrogen bonding involving the piperazine NÐH group, the ...

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PHYSICO-CHEMICAL AND THERMAL PROPERTY STUDIES OF GG/PVA BLEND THIN FILMS

PHYSICO-CHEMICAL AND THERMAL PROPERTY STUDIES OF GG/PVA BLEND THIN FILMS

... Physico-chemical, and thermal properties of blend thin films of Guar Gum (GG) and poly(vinyl alcohol) (PVA) were studied by Fourier Transform Infrared Spectroscopy (FTIR), Scanning Electron Microscopy (SEM), and ...

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5,5 Di­methyl 3 (5 methyl­isoxazol 3 yl)cyclo­hex 2 enone

5,5 Di­methyl 3 (5 methyl­isoxazol 3 yl)cyclo­hex 2 enone

... intramolecular hydrogen bonding (C2B N2B and N2A C2A) and intermolecular hydrogen bonding with the carbonyl O atom (atom O1B and the isoxazole H atom on atom C10A, and the H atom on the ...

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PREPARATION AND PHYSIOCHEMICAL CHARACTERIZATION OF CHITOSAN NANOPARTICLES FOR CONTROLLED DELIVERY OF OXYTOCIN

PREPARATION AND PHYSIOCHEMICAL CHARACTERIZATION OF CHITOSAN NANOPARTICLES FOR CONTROLLED DELIVERY OF OXYTOCIN

... intramolecular network structure of CS, which when crosslinked by TPP counter ions, causes a disarray in chain alignment and subsequent decrease in crystallinity 34 . In the case of oxytocin, the diffractogram exhibited ...

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PHYSICO-CHEMICAL AND THERMAL PROPERTY STUDIES OF GG/CMC BLEND THIN FILMS

PHYSICO-CHEMICAL AND THERMAL PROPERTY STUDIES OF GG/CMC BLEND THIN FILMS

... Physico-chemical, and thermal properties of blend thin films of Guar Gum (GG) and Carboxymethylcellulose (CMC)were studied by Fourier Transform Infrared Spectroscopy (FTIR), Scanning Electron Microscopy (SEM), and ...

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Crystal structures of (aceto­nitrile κN)tris­­(pyridine 4 thio­amide κN)bis­­(thio­cyanate κN)cobalt(II) aceto­nitrile disolvate and tetra­kis­(pyridine 4 thio­amide κN)bis­­(thio­cyanate κN)nickel(II) methanol penta­solvate

Crystal structures of (aceto­nitrile κN)tris­­(pyridine 4 thio­amide κN)bis­­(thio­cyanate κN)cobalt(II) aceto­nitrile disolvate and tetra­kis­(pyridine 4 thio­amide κN)bis­­(thio­cyanate κN)nickel(II) methanol penta­solvate

... one cobalt(II) cation, two thiocyanate anions, three pyridine-4-thioamide ligands, one coordinating and two solvate acetonitrile molecules. One of the two acetonitrile solvate molecules is disordered over two sets of ...

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Di­aqua­bis­(N,N di­ethyl­nicotin­amide)­bis­(4 nitro­benzoato)­zinc(II)

Di­aqua­bis­(N,N di­ethyl­nicotin­amide)­bis­(4 nitro­benzoato)­zinc(II)

... Intramolecular hydrogen bonding links each aqua ligand with an uncoordinated carboxylate O atom, and intermolecular hydrogen bonding between aqua ligands and the carbonyl O atoms of ...

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Surface Free Energy Effects in Sputter Deposited WNx Films

Surface Free Energy Effects in Sputter Deposited WNx Films

... different intermolecular forces due to permanent and induced dipoles and hydrogen bonding, whereas the dispersive component of surface free energy is due to instantaneous dipole moments, like the ...

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catena Poly[[[bis­­(4 pyridine­aldoxime κN1)zinc] μ benzene 1,4 di­carboxyl­ato κ2O1:O4] 4 pyridine­aldoxime monosolvate]

catena Poly[[[bis­­(4 pyridine­aldoxime κN1)zinc] μ benzene 1,4 di­carboxyl­ato κ2O1:O4] 4 pyridine­aldoxime monosolvate]

... O hydrogen bonds, forming a cavity in which an uncoordinating 4-pyridine- aldoxime molecule is located; this molecule is linked by O— H O and O—H N hydrogen bonds to the zigzag ...

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Synthesis of Nano-Cellulose from Okra Fibre and FTIR as Well as Morphological Studies on It

Synthesis of Nano-Cellulose from Okra Fibre and FTIR as Well as Morphological Studies on It

... investigate intermolecular and intramolecular hydrogen bonding [25] of raw okra fiber, alkali treated fiber (α-Cellulose), bleached fiber and nano-cellulosic fiber because FTIR is the most frequent ...

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N,N′ (4,5 Di­methyl 1,2 phenyl­ene)bis­­(pyridine 2 carboxamide)

N,N′ (4,5 Di­methyl 1,2 phenyl­ene)bis­­(pyridine 2 carboxamide)

... an intermolecular asymmetric cyclic hydrogen-bonding association involving both amide N—H donors and a common amide O-atom acceptor (O2 i ) (Table 1), give a ...

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