نتایج جستجو برای: Degradable biopolymer

تعداد نتایج: 44518  

Journal: :E3S web of conferences 2023

This paper focused on the short review of biopolymer based composite for tissue regeneration. Biopolymers have been slowly introduced into medical applications as a result their ability to be bio-degradable and easily made. By selecting appropriate containing selected additives facilitate polymer-filler interaction, composites with desired properties can obtained. Interfacial interactions betwe...

2008
Nazia Jamil Nuzhat Ahmed

Two bacterial strains, Pseudomonas aeruginosa CMG607w and CMG1421 produce commercially important biopolymers. CMG607w isolated from the sediments of Lyari outfall to Arabian Sea synthesize the mclpolyhydroxyalkanoates from various carbon sources. The production of PHAs was directly proportional to the incubation periods. Other strain CMG1421, a dry soil isolate, produced high viscous water abso...

Journal: :In vivo 2011
Joong-Hyun Kim Mi-Kyung Kim Jeong-Hui Park Jong-Eun Won Tae-Hyun Kim Hae-Won Kim

BACKGROUND/AIM A novel nanofibrous membrane of a degradable biopolymer poly (lactide-co-ε-caprolactone) (PLCL) for guided bone regeneration (GBR) was designed and its tissue compatibility and ability to promote the regeneration of new bone were investigated in a rat mandibular defect model. MATERIALS AND METHODS The nanofibrous structuring of the PLCL polymer was facilitated by a solvent-indu...

2014
Delia Projahn Sakine Simsekyilmaz Smriti Singh Isabella Kanzler Birgit K Kramp Marcella Langer Alexandrina Burlacu Jürgen Bernhagen Doris Klee Alma Zernecke Tilman M Hackeng Jürgen Groll Christian Weber Elisa A Liehn Rory R Koenen

Myocardial infarction (MI) induces a complex inflammatory immune response, followed by the remodelling of the heart muscle and scar formation. The rapid regeneration of the blood vessel network system by the attraction of hematopoietic stem cells is beneficial for heart function. Despite the important role of chemokines in these processes, their use in clinical practice has so far been limited ...

2013
Ainaz Alizadeh Somayyeh Behfar

Films are thin coatings of materials that protect the product against mechanical and corruption factors. The use of edible films and coatingsis developed these days because they can retain the quality, flavor and moisture content of the product and also are degradable and easy to use. Proteins are an apt choice for such film’s base material as their suitable barrier property against oxygen, CO2...

Journal: :Applied and environmental microbiology 2012
Krista E Köllner Dörte Carstens Esther Keller Francisco Vazquez Carsten J Schubert Josef Zeyer Helmut Bürgmann

Chitin, which is a biopolymer of the amino sugar glucosamine (GlcN), is highly abundant in aquatic ecosystems, and its degradation is assigned a key role in the recycling of carbon and nitrogen. In order to study the significance of chitin decomposition in two temperate freshwater lakes with contrasting trophic and redox conditions, we measured the turnover rate of the chitin analog methylumbel...

Journal: :Chemical Engineering Journal 2023

Bio-based and biodegradable polymers are essential for a sustainable society. Cellulose is the most abundant biopolymer on earth; however, derivatization necessary its processing, which slows down biodegradability dramatically, e.g. used cigarette filters made from cellulose acetate barely biodegradable. We developed first reversible modification of cellulose, allows processing guarantees full ...

Journal: :Agrosystems, geosciences & environment 2023

Nanoparticles are being utilized in agriculture as fertilizers, pesticides, and agrochemical-carriers. Designed to be biocompatible degradable, biopolymer nanoparticles were developed an alternative metallic nanoparticles, though safe-by-design, polymeric must field-tested prior largescale use. Several field studies conducted observe detrimental effects of on plant growth yield using soybean, G...

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