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carboxylate groups

Ion-exchange kinetics and thermal decomposition characteristics of Fe 2+-exchanged alginic acid membrane for the formation of iron oxide nanoparticles

Ion-exchange kinetics and thermal decomposition characteristics of Fe 2+-exchanged alginic acid membrane for the formation of iron oxide nanoparticles

... varying amount of 1, 4´-linked -D-mannuronic acid (M) and -L-guluronic acid (G) residues. Gelation of alginate is due to the interaction of carboxylate groups with metal ions [1] in aqueous solution. Most ...

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SODIUM ALGINATE-ZEOLITE COMPOSITE GEL BEADS FOR CONTROLLED RELEASE OF 5-FLUOROURACIL

SODIUM ALGINATE-ZEOLITE COMPOSITE GEL BEADS FOR CONTROLLED RELEASE OF 5-FLUOROURACIL

... the concentration of calcium salt i.e. cross linking agent increased, more cross linking networks will be formed between calcium ions with carboxylate groups of NaAlg and forms[r] ...

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Poly(amic acid) Lithium Salt as a Multi-Functional Binder for High Performance Lithium/Sulfur Battery Cathodes

Poly(amic acid) Lithium Salt as a Multi-Functional Binder for High Performance Lithium/Sulfur Battery Cathodes

... functional groups were divided into two aspects: absorbing polysulfides and increasing the ion-conducting ...amide groups could create strong interactions between discharge products polysulfides to buffer ...

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Polymeric di­aqua­bis­(μ4 benzene 1,2,4 tri­carboxyl­ato)bis­(2,2′ bi­pyridine)tricadmium(II)

Polymeric di­aqua­bis­(μ4 benzene 1,2,4 tri­carboxyl­ato)bis­(2,2′ bi­pyridine)tricadmium(II)

... The benzene-1,2,4-tricarboxylate trianion in the polymeric title compound, [Cd3C9H3O62C10H8N22H2O2]n, uses the carboxylate groups in the 1,2-positions to chelate to a bipyridine-chelated[r] ...

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A one dimensional coordination polymer with alternating CeN3O6 and SrNO7 polyhedra

A one dimensional coordination polymer with alternating CeN3O6 and SrNO7 polyhedra

... Compound I consists of alternating nine-coordinate Ce4+ and eight-coordinate Sr2+, assembled in the form of a onedimensional chain, by the bridging carboxylate groups of dipic2ÿ.. Three [r] ...

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catena Poly[[di­aqua­copper(II)] μ pyridine 2,4 di­carboxyl­ato κ3N,O2:O4]

catena Poly[[di­aqua­copper(II)] μ pyridine 2,4 di­carboxyl­ato κ3N,O2:O4]

... two carboxylate groups of the pyridine- 2,4-dicarboxylate ligand and two of which are from coordi- nated water molecules; one pyridine N atom completes the fivefold coordination environment around the metal ...

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Synthesis of Graft Biocopolymer Based on Pectin and Investigation of Chemorheology Properties

Synthesis of Graft Biocopolymer Based on Pectin and Investigation of Chemorheology Properties

... nitrile groups as the initioation reaction of nitrile polymerization in the early stages of ...nitrile groups of PAN were converted to a mixture of hydrophilic carboxamide and carboxylate ...

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Poly[di­aqua μ3 4 nitro­phthalato copper(II)]

Poly[di­aqua μ3 4 nitro­phthalato copper(II)]

... carboxylate groups of the 4-nitrophthalate dianion ligands have monodentate and 1,3-bridging bonding modes, respec- ...the carboxylate groups of three 4-nitrophthalate ligands and two O atoms ...

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Hydro­gen bonded supramolecular motifs in trimethoprim–terephthalate–terephthalic acid (2/1/1)

Hydro­gen bonded supramolecular motifs in trimethoprim–terephthalate–terephthalic acid (2/1/1)

... carboxyl groups of the terephthalic acid molecules and the carboxylate groups of the terephthalate anions are hydrogen bonded through OÐH O hydrogen bonds, leading to the formation of a step-like ...

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Di­aqua­tris­(4 pyridyl­carboxyl­ato)­neodymium(III)

Di­aqua­tris­(4 pyridyl­carboxyl­ato)­neodymium(III)

... with carboxylate ligands, owing to their potential application as luminescent sensor materials in biological devices (Choppin & BuÈnzli, 1989), and numerous lanthanide complexes have been studied (BuÈnzli ...

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A one dimensional CdII coordination polymer: poly[[[bis­­[methano­lcadmium(II)] μ2 aqua] bis­­(μ3 pyridine 2,6 di­carboxyl­ato κ5O:O,N,O′:O′)]

A one dimensional CdII coordination polymer: poly[[[bis­­[methano­lcadmium(II)] μ2 aqua] bis­­(μ3 pyridine 2,6 di­carboxyl­ato κ5O:O,N,O′:O′)]

... of carboxylate groups from two pydc ligands as well as a bridging oxygen from a water molecule located on a twofold axis, to form a dinuclear ...via carboxylate O atoms to build a one-dimensional ...

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Crystal structure of poly[di­aqua­bis­­(μ5 benzene 1,3 di­carboxyl­ato)(N,N di­methyl­formamide)­cadmium(II)disodium(I)]

Crystal structure of poly[di­aqua­bis­­(μ5 benzene 1,3 di­carboxyl­ato)(N,N di­methyl­formamide)­cadmium(II)disodium(I)]

... chelating–bridging carboxylate groups of the 1,3-bdc ligands to generate a three-dimensional ...1,3-bdc carboxylate groups and – stacking between the benzene rings of the 1,3-bdc ligands ...

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Short communication: carboxylate functionalized superparamagnetic iron oxide nanoparticles (SPION) for the reduction of S. aureus growth post biofilm formation

Short communication: carboxylate functionalized superparamagnetic iron oxide nanoparticles (SPION) for the reduction of <em>S. aureus</em> growth post biofilm formation

... amine, carboxylate, and isocyanate functional groups to further improve their efficacy to disrupt the growth of ...with carboxylate groups (followed by isocyanate then amine functional ...

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Hexa μ α methyl­acrylato bis­­[(1,10 phenanthroline)lanthanum(III)] dihydrate

Hexa μ α methyl­acrylato bis­­[(1,10 phenanthroline)lanthanum(III)] dihydrate

... tridentate carboxylate groups to form a centrosymmetric dimeric ...carboxylate groups. The detailed coordination modes of -methylacrylate groups in (II) are also fully applicable to the ...

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Charge and the dry-strength performance of polyampholytes. Part 1: Handsheet properties and polymer solution viscosity

Charge and the dry-strength performance of polyampholytes. Part 1: Handsheet properties and polymer solution viscosity

... Paper strength was increased by adding random terpolymers having a fixed ratio of basic to acidic monomeric groups to bleached kraft fiber slurries over a wide range of pH. Subsequent treatment of the fiber ...

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Hemi­[4 (carb­oxy­meth­oxy)­phenyl­sulfanyl­acetato κ2O,O′]­hemi­[4 (carb­oxy­methyl­sulfanyl)­phenyl­­oxy­acetato]­bis­(1,10 phenanthroline κ2N,N′)­cadmium(II) 4 (carb­oxy­meth­oxy)­phenyl­sulfanyl­acetate dihydrate

Hemi­[4 (carb­oxy­meth­oxy)­phenyl­sulfanyl­acetato κ2O,O′]­hemi­[4 (carb­oxy­methyl­sulfanyl)­phenyl­­oxy­acetato]­bis­(1,10 phenanthroline κ2N,N′)­cadmium(II) 4 (carb­oxy­meth­oxy)­phenyl­sulfanyl­acetate dihydrate

... phenanthroline units and one carboxylate from the mono- anionic ligand in a distorted octahedral geometry. The coordinated monoanion shows disorder which results in a 50:50 mixture of ...

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(meso 5,7,7,12,14,14 Hexa­methyl 1,4,8,11 tetra­aza­cyclo­tetra­decane κ4N)­nickel(II) [N,N o phenyl­enebis­(oxamato) κ4O,N,N′,O′]­cuprate(II) dihydrate

(meso 5,7,7,12,14,14 Hexa­methyl 1,4,8,11 tetra­aza­cyclo­tetra­decane κ4N)­nickel(II) [N,N o phenyl­enebis­(oxamato) κ4O,N,N′,O′]­cuprate(II) dihydrate

... deprotonated amido N atoms and two carboxylate O atoms with a distorted square-planar geometry (Fig. 1). Consistent with the greater basicity of the deprotonated amido nitrogen donors, the CuÐN distances are ...

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Di­acetatodi tert butyltin(IV)

Di­acetatodi tert butyltin(IV)

... t-butyl groups are well ordered with a mean value for the C—C bonds of ...t-butyl groups show similar effects: two angles are around the ideal tetrahedral value of ...

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DENDRIMERS – A NEW CLASS OF POLYMERS

DENDRIMERS – A NEW CLASS OF POLYMERS

... number of simultaneous reactions carried out in each step. It becomes possible to introduce subtle engineering into the dendritic structure by precise placement of functional groups at the periphery of the ...

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Poly­[zinc(II) μ2 azido κ2N1:N1 μ3 nicotinato κ3N:O:O′]

Poly­[zinc(II) μ2 azido κ2N1:N1 μ3 nicotinato κ3N:O:O′]

... nicotinate groups, generating a three-dimensional covalent network with the same Zn distance as that between adjacent chains ...azide groups is ...azide groups to the grids does not change the ...

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