BACKGROUND A thermal tolerant stereo-complex poly-lactic acid (SC-PLA) can be made by mixing Poly-D-lactic acid (PDLA) and poly-L-lactic acid (PLLA) at a defined ratio. This environmentally friendly biodegradable polymer could replace traditional recalcitrant petroleum-based plastics. To achieve this goal, however, it is imperative to produce optically pure lactic acid isomers using a cost-effe...

Our goal was to evaluate the potential health risk of the polymeric NP, poly(ethylene glycol)-block-poly(lactic acid) (PEG-b-PLA), from the view of redox imbalance of the organism in two different life stages. Female Wistar rats were neonatally administered intraperitoneally with PEG-b-PLA NPs [20 mg/kg of b.w. (PEG20) or 40 (PEG40) mg/kg of b.w.] from postnatal day 4 (PND4) to PND7. We measure...

Electrospun nanofibers of poly (vinyl alcohol) (PV) were obtained to improve dispersion of cellulose nanocrystals (CNC) within hydrophobic biopolymeric matrices, such as poly(lactic acid) (PLA). Electrospun nanofibers (PV/CNC)n were successfully obtained with a final concentration of 23% (w/w) of CNC. Morphological, structural and thermal properties of developed CNC and electrospun nanofibers w...

BACKGROUND/PURPOSE The purpose of this research was to develop an alternative adjuvant for hepatitis B vaccine (HBsAg) that elicits a long-lasting immune response after a single administration. In this study, the suitability of Poly (D, L)-lactide-co-glycolic acid (PLGA), Poly lactic acid (PLA) and Chitosan polymers as adjuvants for HBsAg were investigated. METHODS We used solvent evaporation...

The development of scaffolds for tissue-engineered growth the anterior cruciate ligament (ACL) is a promising approach to overcome limitations current solutions. This work proposes novel biodegradable and biocompatible matching mechanical characteristics native human ligament. Poly(L-lactic acid) (PLA) reinforced with graphite nano-platelets (PLA+EG) as received, chemically functionalized (PLA+...

The present study was conducted to determine the recyclability and biodegradability of bamboo fabric-reinforced poly(lactic) acid (BF-PLA) composites for sustainable packaging. BF-PLA composite was recycled through the granulation, extrusion, pelletization and injection processes. Subsequently, mechanical properties (tensile, flexural and impact strength), thermal stability and the morphologica...

Poly(lactic acid) (PLA) stands out as the most promising biodegradable alternative to conventional petrochemical-based polymers for manufacturing of high-performance materials applied in medicine, pharmacy, food, textile, and electronic industry. This review was aimed present up-to-date technologies PLA processing including melt blending molding, hot extrusion, 3D printing, foaming, impregnatio...

Abstract The potential of three-dimensional (3D) printing in polymer tribology is poorly explored. Material alignment and composition plays a vital role altering the friction wear characteristics 3D printed materials. In current study patterns using fused deposition modeling are used to print advanced tribo-composites. Two different surface (line circular) provided through white silver Poly Lac...

In this study, 8 novel pyrazole disperse dyes which were synthesized in our previous work [1] applied to polyethylene terephthalate (PET), poly (lactic acid) (PLA) and polyamide 6.6 (PA 6.6) fiber fabrics their colorimetric fastness properties evaluated. The measured a*, b* hue angle (ho) values of all dyed exhibited yellow, orange red colour shades. Quite high strength (K/S) particularly for c...