2010
DOI: 10.1039/b9nr00194h
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Metal sulfidenanoparticles synthesized via enzyme treatment of biopolymer stabilized nanosuspensions

Abstract: Nanoparticles of CuS, Cu(x)S, Ag(2)S and CdS were successfully prepared using a novel general and green synthetic process to give dextran biopolymer stabilised metal sulfifde nanosuspensions. Following preparation, dextranase enzyme was used to remove the bulk of the bound dextran to give pure stable metal sulfide nanocrystals for application in for example aspects of medicine, photonics and solar cells. Particles of good homogeneity were obtained and the CuS nanoparticle size was controlled to 9-27 nm by adju… Show more

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Cited by 61 publications
(37 citation statements)
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“…Chemical vapor reaction, single source method [26], and high-temperature precursor injection method were investigated to prepare two dimensional CuS nanostructures. To construct three dimensional CuS nanostructure, some other strategies include enzymatic treatment of dextran stabilized CuS nanosuspensions in a green synthetic method [27], the use of carboxylic acids as solvents for high nucleation rate and stabilization of nanoparticle dispersion [28], and synthesis of CuS NPs based on surfactant [29].…”
Section: Other Preparation Methodsmentioning
confidence: 99%
“…Chemical vapor reaction, single source method [26], and high-temperature precursor injection method were investigated to prepare two dimensional CuS nanostructures. To construct three dimensional CuS nanostructure, some other strategies include enzymatic treatment of dextran stabilized CuS nanosuspensions in a green synthetic method [27], the use of carboxylic acids as solvents for high nucleation rate and stabilization of nanoparticle dispersion [28], and synthesis of CuS NPs based on surfactant [29].…”
Section: Other Preparation Methodsmentioning
confidence: 99%
“…[4][5][6] Así, el diseño de receptores sintéticos que puedan ser utilizados en agua busca, en primer lugar, que el hospedador sea hidrosoluble, lo cual limita severamente el tipo de unidades estructurales constitutivas que pueden ser utilizados para su construcción; además, deben elegirse aproximaciones e interacciones especiales que permitan superar la influencia competitiva del agua. Otra propiedad importante que deberían cumplir los receptores solubles en agua es la posibilidad de encapsulación de varios huéspedes diferentes, lo cual permitiría estudiar las interacciones moleculares en espacios confinados en el interior de una caja y desarrollar reacciones químicas entre ellos en medio acuoso.…”
Section: Química Supramolecular En Aguaunclassified
“…4,[13][14][15][16][17][18][19] Es deseable que el receptor y el sustrato entren en contacto a través de una gran área, lo cual ocurre cuando el receptor es capaz de envolver su sustrato de forma que establece numerosas interacciones no covalentes y reconoce su tamaño, forma y arquitectura molecular. Éste es el caso de moléculas receptoras que contienen una cavidad intramolecular en la cual puede encajar el sustrato, proporcionando así un complejo de inclusión.…”
Section: Sistemas Hospedador-huéspedunclassified
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