Results 81 to 90 of about 12,443 (283)

Starch as a successful biodegradable nucleating agent in biodegradable PHBV/PHO blends

Journal of Thermal Analysis and Calorimetry
The morphology and thermal properties of PHBV/PHO/starch blends are investigated using polarized optical microscopy, differential scanning calorimetry, thermal gravimetric analysis, and X-ray diffraction.
S. H. El‐Taweel, Arwa Al-Hamdi
semanticscholar   +1 more source

Enzymatic degradation of biopolymers in amorphous and molten states: mechanisms and applications

FEBS Open Bio, EarlyView.
This review explains how polymer morphology and thermal state shape enzymatic degradation pathways, comparing amorphous and molten biopolymer structures. By integrating structure–reactivity principles with insights from thermodynamics and enzyme engineering, it highlights mechanisms that enable efficient polymer breakdown.
Anđela Pustak, Aleksandra Maršavelski
wiley   +1 more source

Determinantal probability measures [PDF]

, 2002
Determinantal point processes have arisen in diverse settings in recent years and have been investigated intensively. We study basic combinatorial and probabilistic aspects in the discrete case.
Lyons, Russell
core   +5 more sources

PHBV cycle of life using waste as a starting point: from production to recyclability

Frontiers in Materials
Global concern about plastic pollution is forcing new policies and modifications of human consumption as well as promoting new research lines aiming at the replacement of non-degradable plastics with other polymers more environmentally friendly ...
Salvador García-Chumillas, Teresa Guerrero-Murcia, María Nicolás-Liza, Fuensanta Monzó, Alexandra Simica, Lorena Simó-Cabrera, R. M. Martínez-Espinosa   +6 more
semanticscholar   +1 more source

In Vitro Degradation of PHBV Scaffolds and nHA/PHBV Composite Scaffolds Containing Hydroxyapatite Nanoparticles for Bone Tissue Engineering [PDF]

Journal of Nanomaterials, 2012
This paper investigated the long‐term in vitro degradation properties of scaffolds based on biodegradable polymers and osteoconductive bioceramic/polymer composite materials for the application of bone tissue engineering. The three‐dimensional porous scaffolds were fabricated using emulsion‐freezing/freeze‐drying technique using poly(hydroxybutyrate‐co‐
Sultana, Naznin, Khan, Tareef Hayat
openaire   +1 more source

Understanding bio‐based polymers: A study of origins, properties, biodegradation and their impact on health and the environment

FEBS Open Bio, EarlyView.
This review provides an overview of bio‐based polymer sources, their unique functional properties and their environmental impact, and addresses their role as sustainable alternatives. It discusses end‐of‐life options, including composting and anaerobic digestion for renewable energy.
Sabina Kolbl Repinc, Blaž Stres, Mirica Karlovits, Igor Karlovits, Petra Jerič, Ondrej Panák, Anja Verbič, Blaž Likozar, Uroš Novak   +8 more
wiley   +1 more source

Toughness Enhancement of Commercial Poly (Hydroxybutyrate-co-Valerate) (PHBV) by Blending with a Thermoplastic Polyurethane (TPU) [PDF]

, 2016
Poly(hydroxyl butyrate-co-valerate) (PHBV) is a biopolymer synthesized by microorganisms that is fully biodegradable with improved thermal and tensile properties with respect to some commodity plastics.
Cabedo, Luis, Gamez-Perez, Jose, González Ausejo, Jennifer, Sánchez-Safont, Estefanía   +3 more
core   +2 more sources

Geometric Optimization and Mechanical Performance Enhancement of Auxetic Structures for High‐Impact Applications Through Fused Deposition Modeling

Advanced Engineering Materials, EarlyView.
This study explores the mechanical performance of three auxetic structures, identifying a re‐entrant‐star hybrid as the most effective for impact absorption. Finite element simulations and experiments demonstrate significant gains in energy absorption and flexural strength after geometric optimization. This study investigates the mechanical performance
Malik Hassan, Manjusri Misra, Alexander Bardelcik, Stefano Gregori, Amar K. Mohanty   +4 more
wiley   +1 more source

Cork–polymer biocomposites: mechanical, structural and thermal properties [PDF]

, 2015
This work addresses to the preparation of biocomposites resulting from the combination of different biodegradable aliphatic polyesters with cork (30 wt.%). The lignocellulosic biomass with closed cellular structure was compounded with poly(L-lactic acid)
Abdallah, Abenojar, Avella, Avérous, Bogoeva-Gaceva, Castro, Crescenzi, Faruk, Fernandes, Fernandes, Fernandes, Fernandes, Fernandes, Fernandes, Fischer, Fortes, Gibson, Gil, Gil, Gogolewski, Gross, Hachemane, Jardin, John, La Rosa, Ljungberg, Mano, Masirek, Mohanty, Mohanty, Pereira, Pilla, Russo, Satyanarayana, Silva, Thire, Vilela, Yu   +37 more
core   +1 more source

Optimising PHBV biopolymer production in haloarchaea via CRISPRi-mediated redirection of carbon flux

Communications Biology, 2021
The haloarchaeon Haloferax mediterranei is a potential strain for poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) production, yet the production yield and cost are the major obstacles hindering the use of this archaeal strain.
Lin Lin, Junyu Chen, R. Mitra, Quanxiu Gao, Feiyue Cheng, Tong Xu, Zhenqiang Zuo, H. Xiang, Jing Han   +8 more
semanticscholar   +1 more source