Results 51 to 60 of about 3,829 (132)

Physicochemical and Thermal Characterization of Biofield Energy Treated Polylactic-co-glycolic acid (PLGA) [PDF]

open access: yes, 2019
Polylactic-co-glycolic acid (PLGA) is a biodegradable copolymer. It has many applications in the pharmaceuticals and biomedical industries, but its degradation and stability is a major concern. The objective of this study was to evaluate the influence of
Jana, Snehasis   +4 more
core   +1 more source

Biodegradation studies of polylactic acid copolymers [PDF]

open access: yes, 2012
Medium molecular weight copolymers were synthesized by the condensation of L-lactic acid (LA), terephthalic acid (TPA) and 1,3-propanediol (PDO). The obtained copolymers were characterized for acid value, hydroxyl value and number average molecular ...
Senila Marin   +6 more
core  

Synthesis of Biodegradable Copolymers based on Ethylene Vinyl Acetate and Polylactic Acid

open access: yes, 2010
International audienceIn the present study biodegradable copolymers of ethylene vinyl acetate and polylactic acid were synthesized using transesterification reactions, the structure, morphology, mechanical properties and biodegradability of the produced ...
Nogueira, R.   +4 more
core   +1 more source

In Vivo Degradation Studies of PGA-PLA Block Copolymer and Their Histochemical Analysis for Spinal-Fixing Application

open access: yes, 2022
Polylactic acid (PLA) and polyglycolic acid (PGA) are well-known medical-implant materials. Under the consideration of the limitations of degradable polymeric materials, such as weak mechanical strength and by-product release through the biodegradation ...
Chung, Dong-June   +3 more
core   +1 more source

Influência de parâmetros de processamento e geometria em propriedades mecânicas de peças de PS, PC e PLA moldadas por injeção [PDF]

open access: yes, 2012
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Mecânica, Florianópolis, 2012O desenvolvimento de implantes ortopédicos é de vital importância na ortopedia e traumatologia ...
Vieira, Luiz Fernando
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Estudo de propriedades mecânicas e caracterização da região de linha de solda de um biopolímero injetado em molde metálico e molde de fabricação rápida (VRE) [PDF]

open access: yes, 2013
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Mecânica, Florianópolis, 2013.Um dos defeitos decorrentes do processo de injeção é a formação de linhas de solda, podendo ...
Pfeifer, Diogo Coletto
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Carriers in mesenchymal stem cell osteoblast mineralization-State-of-the-art

open access: yes, 2014
PURPOSE: Tissue engineering is a new way to regenerate bone tissue, where osteogenic capable cells combine with an appropriate scaffolding material. Our aim was in a Medline Search to evaluate osteoblast mineralization in vitro and in vivo including gene
Hørberg, Mette   +4 more
core   +1 more source

Self-aggregated nanoparticles based on amphiphilic poly(lactic acid)-grafted-chitosan copolymer for ocular delivery of amphotericin B

open access: yes, 2013
Wenjun Zhou,1 Yuanyuan Wang,2 Jiuying Jian,2 Shengfang Song1 1Department of Ophthalmology, Yongchuan Hospital, Chongqing Medical University, Chongqing, People’s Republic of China; 2College of Life Science, Chongqing Medical University, Chongqing ...
Jian JY, Song SF, Zhou WJ, Wang YY
core  

Polylactic-co-glycolic acid microspheres containing three neurotrophic factors promote sciatic nerve repair after injury

open access: yes, 2015
A variety of neurotrophic factors have been shown to repair the damaged peripheral nerve. However, in clinical practice, nerve growth factor, neurotrophin-3 and brain-derived neurotrophic factor are all peptides or proteins that may be rapidly ...
Min Xue   +7 more
core   +1 more source

Preparação e caracterização de nanopartículas contendo metotrexato: avaliação da estabilidade e viabilidade do tecido corneal após administração tópica ocular [PDF]

open access: yes, 2007
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências da Saúde. Programa de Pós-graduação em FarmáciaA instilação tópica ocular é a forma mais comum de tratamento de patologias oftálmicas, sendo a córnea a principal barreira
Sartori, Tatiane
core  

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