El uso de compuestos químicos más biocompatibles y renovables para la obtención nanopartículas metálicas con propiedades características deseadas, se convierte en una ruta alternativa reducción riesgos ambientales del grado incompatibilidad estas estructuras al interactuar modelos biológicos su posible aplicación el área salud. propósito este trabajo centró sacarosa, como agente reductor oro plata emplear diferentes volúmenes hidróxido sodio. Las obtenidas fueron caracterizadas mediante...

Tissue engineering has focused on the development of biomaterials that emulate native extracellular matrix. Therefore, purpose this research was oriented to nanofibrillar bilayer membranes composed polycaprolactone with low and medium molecular weight chitosan, evaluating their physicochemical biological properties. Two-bilayer were developed by an electrospinning technique considering effect chitosan parameter changes in technique. Subsequently, evaluated scanning electron microscopy,...

The surface modification of materials obtained from natural polymers, such as silk fibroin with metal nanoparticles that exhibit intrinsic electrical characteristics, allows the obtaining biocomposite capable favoring propagation and conduction impulses, acting communicating structures in electrically isolated areas. On basis, this investigation determined electrochemical electroconductive behavior through impedance spectroscopy a electrospun membrane fibrous waste functionalized gold or...

The development of methods green synthesis metal nanoparticles from the use biological agents, and microbial or plant extracts, allows obtainment biocompatible nanostructures by reducing eliminating toxic substances. On that basis, this research focused on evaluating influence silk fibroin fibrous waste (SF w ) silver (AgNPs), varying concentrations precursor agent, as well change in pH value reaction. were characterized UV‐visible spectrophotometry, scanning transmission electron microscopy...

The biocomposite materials development based on polymeric fibrillar structures functionalized with metal nanostructures are visualized as alternative strategies to facilitate tissue connection bridges in the engineering of cardiovascular tissues. Based it, purpose present investigation sought functionalize silk fibroin electrospun membranes extracted from Colombian sericultural wastes gold or silver nanoparticles synthesized by green chemical reduction method, estimating their biocompatible...

Using disaccharides in green synthesis of metallic nanoparticles (NPs) is an alternative route to traditional processes nanostructure development, which reduces the degree incompatibility these structures with biological model. The aim this study was evaluate cytotoxic effect gold and silver synthesized from chemical reduction method sucrose on vitro model cardiomyocytes RL-14. obtained because were characterized by UV-visible spectroscopy, allowed determining surface plasmon resonance...

Tissue engineering has focused on the development of biomaterials, modulating morphological and electrochemical characteristics based their final application. In this setting, purpose present study was to determine physicochemical response electrospun membranes silk fibroin extracted from sericulture wastes functionalization with choline bio-ionic liquids. A comparative carried out obtained same protein but functionalized gold nanoparticles. The biomaterials developed were characterized by...