Results 31 to 40 of about 76,988 (255)

Biodegradable polymer properties through ceramic coatings [PDF]

MATEC Web of Conferences, 2022
Coating of bio-based polymers with ceramic layer has attracted interest recently, the research topic raising difficulties regarding the technology of obtaining layers that involve very high working temperatures. The study aims to analyses the mechanical,
Marguta Alina, Mazurchevici Simona-Nicoleta, Carausu Constantin, Nedelcu Dumitru   +3 more
doaj   +1 more source

Safety and efficacy of biodegradable polymer-coated biolimus-eluting stents

The Egyptian Heart Journal, 2013
Background: Using drug eluting stents with a biodegradable polymer ensures that both the drug and coating are absorbed from the stent surface after completing their functions, which may reduce the need for prolonged antiplatelet therapy and decrease the ...
Walid Maamoun
doaj   +1 more source

Characterization of various kinds of paper as reinforcement for biodegradable polymer composites; pp. 40–44 [PDF]

Proceedings of the Estonian Academy of Sciences, 2009
Some structural characteristics and properties of a diverse paper selection were studied with the aim to create biodegradable polymer composites for packaging materials. Paper in such composites would serve as a reinforcement and biodegradable polymer as
Dace Cerpakovska, Martins Kalnins, Velta Tupureina, Anda Dzene   +3 more
doaj   +1 more source

Synthesis, spectral characterization thermal stability, antimicrobial studies and biodegradation of starch–thiourea based biodegradable polymeric ligand and its coordination complexes with [Mn(II), Co(II), Ni(II), Cu(II), and Zn(II)] metals

Journal of Saudi Chemical Society, 2016
A biodegradable polymer was synthesized by the modification reaction of polymeric starch with thiourea which is further modified by transition metals, Mn(II), Co(II), Ni(II), Cu(II) and Zn(II).
Nahid Nishat, Ashraf Malik
doaj   +1 more source

Reactive extrusion of bio-based polymer blends and composites – Current trends and future developments

eXPRESS Polymer Letters, 2018
Reactive extrusion is a cost-effective and environmentally-friendly method to produce new materials with enhanced performance properties. At present, reactive extrusion allows in-situ polymerization, modification/functionalization of polymers or chemical
K. Formela, L. Zedler, A. Hejna, A. Tercjak   +3 more
doaj   +1 more source

Natural Bone‐Derived Ceramic Scaffolds Functionalized with Chitosan‐Gold, Chitosan‐Magnesium, and Chitosan‐Zinc for Enhanced Antibacterial Activity

Advanced Engineering Materials, EarlyView.
This study reports the development of antibacterial ceramic scaffolds derived from natural bovine bone. The bones were processed through sequential boiling and hydrogen peroxide treatment to remove organic matter, producing porous, mineral‐rich scaffolds.
Mohamad Hassan Taherian, Anh Thi Le, Anh Thi Van Le, Dung My Thi Dang, Tin Chanh Duc Doan, Chien Mau Dang, Martin Bolduc   +6 more
wiley   +1 more source

Degradability of chitosan micro/nanoparticles for pulmonary drug delivery

Heliyon, 2019
Chitosan, a natural carbohydrate polymer, has long been investigated for drug delivery and medical applications due to its biodegradability, biocompatibility and low toxicity.
Nazrul Islam, Isra Dmour, Mutasem O Taha
doaj   +1 more source

Biodegradable polymer composites with osteogenic potential

Бюллетень сибирской медицины, 2021
The aim is to study the basic physico-mechanical properties of hydroxyapatite (HA) composites (up to 25–50 wt%) with polylactide (PLA-HA) and poly(e-caprolactone) (PCL-HA) prepared by melt compounding, as well as the osteogenic potential of PLA-HA in ...
S. M. Lebedev, D. M. Chistokhin, S. V. Shchadenko, A. N. Dzuman, O. O. Nikolaeva, D. V. Mitrichenko, A. V. Prosolov, I. A. Khlusov   +7 more
doaj   +1 more source

Biodegradable Polymers and Textiles

Journal of Functional Biomaterials
The increasing interest in developing biodegradable polymers through chemical treatments, microorganisms, and enzymes highlights a commitment to environmentally friendly disposal methods [...]
Sandra Varnaitė-Žuravliova, Julija Baltušnikaitė-Guzaitienė   +1 more
openaire   +3 more sources

Designing Polymer Nanocomposites for X‐Ray Shielding: Mechanisms, Architectures, and Scalable Processing

Advanced Engineering Materials, EarlyView.
This review highlights advances in lightweight, lead‐free polymer nanocomposites for diagnostic X‐ray shielding. By linking filler chemistry, dispersion, architecture, and photon interaction mechanisms, it establishes structure–performance relationships guiding material design.
Aklilu G. Messele, Hossein Ipakchi, Tizazu H. Mekonnen   +2 more
wiley   +1 more source