نتایج جستجو برای: rifapentine polylactic acid

تعداد نتایج: 747691  

2008
J. Vijayakumar R. Aravindan T. Viruthagiri

Lactic acid, a naturally occurring multifunctional organic acid, is a valuable industrial chemical used as an acidulant, preservative in the food industry, pharmaceutical, leather, and textile industries, as well as a chemical feedstock. One of the most promising applications of lactic acid is its use for biodegradable and biocompatible lactate polymers, such as polylactic acid. Lactic acid can...

2017
F. Hassan

The potential use of natural biopolymer composites in a variety of applications that requires biodegradability and better mechanical properties has renewed many researchers interest on the composites. This research involves the analysis of flexural properties for natural fibers specifically kenaffiber mat in a polylactic acid (PLA) matrix (KMPLA). The polylactic acid has been chosen as a matrix...

Journal: :Circulation 2000
E Alt I Haehnel C Beilharz K Prietzel D Preter A Stemberger T Fliedner W Erhardt A Schömig

BACKGROUND To minimize acute stent thrombosis and development of restenosis, stents coated with biodegradable and nonbiodegradable polymers have been proposed to serve as sustained-release drug carriers. METHODS AND RESULTS In both a sheep and a pig model, we examined the vascular response to standard and high-pressure implantation of coronary Palmaz-Schatz stents coated with a 10-microm laye...

Journal: :Bioscience, biotechnology, and biochemistry 2009
Shigehito Ikushima Toshio Fujii Osamu Kobayashi Satoshi Yoshida Aruto Yoshida

Polylactic acid is receiving increasing attention as a renewable alternative for conventional petroleum-based plastics. In the present study, we constructed a metabolically-engineered Candida utilis strain that produces L-lactic acid with the highest efficiency yet reported in yeasts. Initially, the gene encoding pyruvate decarboxylase (CuPDC1) was identified, followed by four CuPDC1 disruption...

Journal: :Lancet 2002
Debra Benator Mondira Bhattacharya Lorna Bozeman William Burman Antonino Cantazaro Richard Chaisson Fred Gordin C Robert Horsburgh James Horton Awal Khan Christopher Lahart Beverly Metchock Constance Pachucki Llewellyn Stanton Andrew Vernon M Elsa Villarino Yong Chen Wang Marc Weiner Stephen Weis

BACKGROUND Rifapentine has a long half-life in serum, which suggests a possible treatment once a week for tuberculosis. We aimed to compare rifapentine and isoniazid once a week with rifampicin and isoniazid twice a week. METHODS We did a randomised, multicentre, open-label trial in the USA and Canada of HIV-negative people with drug-susceptible pulmonary tuberculosis who had completed 2 mont...

2015
Luigi Botta Vincenzo Fiore Tommaso Scalici Antonino Valenza Roberto Scaffaro

In this work, artichoke fibers were used for the first time to prepare poly(lactic acid) (PLA)-based biocomposites. In particular, two PLA/artichoke composites with the same fiber loading (10% w/w) were prepared by the film-stacking method: the first one (UNID) reinforced with unidirectional long artichoke fibers, the second one (RANDOM) reinforced by randomly-oriented long artichoke fibers. Bo...

2017
Angel Pozo Morales Alfredo Güemes Antonio Fernandez-Lopez Veronica Carcelen Valero Sonia De La Rosa Llano

Developing an eco-friendly industry based on green materials, sustainable technologies, and optimum processes with low environmental impact is a general societal goal, but this remains a considerable challenge to achieve. Despite the large number of research on green structural composites, limited investigation into the most appropriate manufacturing methodology to develop a structural material...

Journal: :Journal of physics 2021

Abstract The design of the cylindrical Luneburg lens manufactured by using 3D printing facilities was presented, fabricated and experimentally verified. two different approaches to parameter discretization were applied compared. effective dielectric permittivity Polylactic Acid (PLA) plastic samples with infilling percentage estimated a resonant method.

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