Results 21 to 30 of about 16,681,036 (304)

Chopped basalt fibres: A new perspective in reinforcing poly(lactic acid) to produce injection moulded engineering composites from renewable and natural resources [PDF]

open access: yes, 2012
This paper focuses on the reinforcing of Poly(lactic acid) with chopped basalt fibres by using silane treated and untreated basalt fibres. Composite materials with 5–10–15–20–30–40 wt% basalt fibre contents were prepared from silane sized basalt fibres
Tabi, T.   +5 more
core   +1 more source

Design and synthesis of different types of poly(lactic acid)/polylactide copolymers

open access: yes, 2022
High molar mass poly(lactic acid) (PLA) is obtained by either the polycondensation of lactic acid or ring-opening polymerization (ROP) of the cyclic dimer 2,6-dimethyl-1,4-dioxane-2,5-dione, commonly referred to as dilactide or lactide (LA). This chapter
Lochab, Bimlesh,   +5 more
core   +1 more source

Maintenance of chondrocyte phenotype during expansion on PLLA microtopographies

open access: yesJournal of Tissue Engineering, 2018
Articular chondrocytes are difficult to grow, as they lose their characteristic phenotype following expansion on standard tissue culture plates. Here, we show that culturing them on surfaces of poly(L-lactic acid) of well-defined microtopography allows ...
Elisa Costa   +3 more
doaj   +1 more source

Physiochemical Characteristics of Poly-L-Lactic Acid (PLLA) [PDF]

open access: yesAesthetic Surgery Journal, 2018
Poly-L-lactic acid (PLLA) is a synthetic, biocompatible, biodegradable polymer. For soft-tissue augmentation, the size and chemical attributes of the PLLA microparticles are central to this agent's ability to promote a subclinical inflammatory response that stimulates deposition of collagen in the extracellular matrix.
Rebecca, Fitzgerald   +4 more
openaire   +2 more sources

Lactic Acid Yield Using Different Bacterial Strains, Its Purification, and Polymerization through Ring-Opening Reactions

open access: yesInternational Journal of Polymer Science, 2014
Laboratory-scale anaerobic fermentation was performed to obtain lactic acid from lactose, using five lactic acid bacteria: Lactococcus lactis, Lactobacillus bulgaricus, L. delbrueckii, L. plantarum, and L. delbrueckii lactis.
F. G. Orozco   +5 more
doaj   +1 more source

A BRD4 PROTAC nanodrug for glioma therapy via the intervention of tumor cells proliferation, apoptosis and M2 macrophages polarization

open access: yesActa Pharmaceutica Sinica B, 2022
Glioma is a primary aggressive brain tumor with high recurrence rate. The poor efficiency of chemotherapeutic drugs crossing the blood‒brain barrier (BBB) is well-known as one of the main challenges for anti-glioma therapy.
Tingting Yang   +6 more
doaj   +1 more source

Development of liver-specific ribavirin-loaded nanoparticles with reduced cytotoxicity

open access: yesCogent Medicine, 2017
Ribavirin is widely used in several types of combination chemotherapy for the treatment of chronic hepatitis C. In order to deliver ribavirin to the liver and reduce its side effects, we previously prepared ribavirin monophosphate (RMP)-loaded ...
Kohei Kaneko, Tsutomu Ishihara
doaj   +1 more source

Amperometric L-Lactate Biosensor Based upon a Gold Nanoparticles/Reduced Graphene Oxide/Polyallylamine Hydrochloride Modified Screen-Printed Graphite Electrode

open access: yesChemosensors, 2021
This work describes a novel L-lactate biosensor based on the immobilization of L-lactate dehydrogenase enzyme on the screen-printed electrode modified with a ternary composite based on gold nanoparticles, electrochemically-reduced graphene oxide, and ...
Oana-Maria Istrate   +2 more
doaj   +1 more source

High throughput automated colorimetric method for the screening of l-lactic acid producing microorganisms

open access: yesMethodsX, 2014
Lactic acid is a valuable and fully degradable organic acid with promising applications in poly-lactic acid production (Taskila S and Ojamo, 2013 [1]).
Nadège Liaud   +4 more
doaj   +1 more source

Poly(l-lactic acid)-modified silica stationary phase for reversed-phase and hydrophilic interaction liquid chromatography [PDF]

open access: yes, 2015
Poly(L-lactic acid) is a linear aliphatic thermoplastic polyester that can be produced from renewable resources. A poly(L-lactic acid)-modified silica stationary phase was newly prepared by amide bond reaction between amino groups on aminopropyl silica ...
Kuroda, Naotaka   +3 more
core   +2 more sources

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