Results 11 to 20 of about 40,673 (356)

Synthesis and Characterisation of PVP-AAm Hydrogels via Hybrid Process: Morphological, Physical, and Antibacterial Activity

Journal of Advanced Research in Natural and Applied Sciences, 2023
Hydrogels are three dimentional networks that constitute of either chemical or physical crosslinks. In this study, preparation of polyvinyl pyrolidone/polyacrylamide (PVA/PAAm) hydrogels exhibiting antibacterial property was demonstrated.
Fatma Nur Parın
doaj   +1 more source

Correlation between the cytotoxicity of self-etching resin cements and the degree of conversion

Indian Journal of Dental Research, 2015
Aim: The aim of this study was to evaluate the correlation between the cytotoxicity and degree of conversion (DC) of self-etch resin cements with or without photopolymerization.
Luís FSA Morgan, Karina IR Teixeira, Walisson A Vasconcellos, Rodrigo C Albuquerque, Maria E Cortés   +4 more
doaj   +1 more source

Additive Soft Matter Design by UV-Induced Polymer Hydrogel Inter-Crosslinking

Gels, 2022
In recent years, stimuli-responsive hydrogels have gained tremendous interest in designing complex smart 4D materials for applications ranging from biomedicine to soft electronics that can change their properties on demand over time. However, at present,
Talika A. Neuendorf, Niclas Weigel, Michelle Vigogne, Julian Thiele   +3 more
doaj   +1 more source

UV-Photolithography Fabrication of Poly-Ethylene Glycol Hydrogels Encapsulated with Hepatocytes [PDF]

, 2006
The development of biomanufacturing technologies particularly, layered manufacturing has advanced cell encapsulation processes in an effort to mimic the cellular microenvironment for invitro studies.
Chang, R., Starly, B., Sun, W.
core   +1 more source

3D printing of optical materials: an investigation of the microscopic properties [PDF]

, 2018
3D printing technologies are currently enabling the fabrication of objects with complex architectures and tailored properties. In such framework, the production of 3D optical structures, which are typically based on optical transparent matrices ...
Arinstein, A., Camposeo, A., Cardarelli, F., Persano, L., Pisignano, D., Uttiya, S., Zussman, E.   +6 more
core   +2 more sources

Semiconductor Nanocrystals and Graphene Oxide as Visible-Light-Sensitive Photoinitiators of Acrylamide Polymerization in Water

Хімія, фізика та технологія поверхні, 2015
Photopolymerization of acrylamide in aqueous solutions induced by visible light (?>400 nm) absorbed by colloidal particles of CdxZn1–xS, Fe2O3 and graphene oxide is reported.
O. L. Stroyuk, S. Ya. Kuchmiy, N. S. Andryushina   +2 more
doaj   +1 more source

Sequential curing of amine-acrylate-methacrylate mixtures based on selective aza-Michael addition followed by radical photopolymerization [PDF]

, 2016
Dual curing systems find various uses in industry with the process flexibility they provide which allows tailoring properties at different curing stages in accordance with application requirements. A safe and efficient dual curing scheme is proposed here
Fernández Francos, Xavier, Konuray, Ali Osman, Ramis Juan, Xavier, Serra Albet, Àngels   +3 more
core   +1 more source

Isolation and structure of fullerene photodimer, C-120 [PDF]

, 2001
Photopolymerization of C60 was performed on a gram scale via a new monomer transport method. After subsequent extractions of the raw polymer in organic solvents, lOOmg dimer and lOmg mixture of soluble oligomers were yielded.
Kamarás, Katalin, Kováts, Éva, Oszlányi, Gábor, Pekker, Sándor, Pusztai, Tamás   +4 more
core   +1 more source

Generation of Photopolymerized Microparticles Based on PEGDA Using Microfluidic Devices. Part 1. Initial Gelation Time and Mechanical Properties of the Material

Micromachines, 2021
Photopolymerized microparticles are made of biocompatible hydrogels like Polyethylene Glycol Diacrylate (PEGDA) by using microfluidic devices are a good option for encapsulation, transport and retention of biological or toxic agents. Due to the different
José M. Acosta-Cuevas, José González-García, Mario García-Ramírez, Víctor H. Pérez-Luna, Erick Omar Cisneros-López, Rubén González-Nuñez, Orfil González-Reynoso   +6 more
doaj   +1 more source

Role of heat generation and thermal diffusion during frontal photopolymerization [PDF]

, 2015
Frontal photopolymerization (FPP) is a rapid and versatile solidification process that can be used to fabricate complex three-dimensional structures by selectively exposing a photosensitive monomer-rich bath to light.
Cabral, JT, Hennessy, M, Matar, OK, Vitale, A   +3 more
core   +3 more sources