Results 31 to 40 of about 287,814 (303)

Characterization of a New Fiber from Cyperus Dichrostachus A.Rich Plant

open access: yesAdvances in Materials Science and Engineering, 2022
Natural fibers have been good substitute sources for swapping synthetic fibers and reinforcing polymer matrices because of their contributions in maintaining ecology, low energy requirement for processing, and maintaining sustainability issues.
Belete Baye, Tamrat Tesfaye
doaj   +1 more source

Indole diterpenoid natural products as the inspiration for new synthetic methods and strategies. [PDF]

open access: yes, 2017
Indole terpenoids comprise a large class of natural products with diverse structural topologies and a broad range of biological activities. Accordingly, indole terpenoids have and continue to serve as attractive targets for chemical synthesis.
Corsello, Michael A   +2 more
core   +1 more source

Differential effect of aqueous Desmodium gangeticum root extract mediated TiO2 nanoparticles on isolated mitochondria, cells and Wistar rats

open access: yesAsian Pacific Journal of Tropical Biomedicine, 2017
Objective: To study the renal toxic effect of titanium dioxide nanoparticles (TiNPs) prepared by chemical and green route. Methods: TiNPs were prepared by chemical (sol gel technique) and green route (using aqueous extract of Desmodium gangeticum root by
Mahalakshmi Ansari, Gino A. Kurian
doaj   +1 more source

A Simple and Efficient Procedure Toward 2-Thioxoquinazolin-4(1H)-One Derivatives [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering
A facile synthetic route for constructing 2-thioxoquinazolin-4(1H)-one derivative through cyclization reactions using readily available starting materials 2-aminobenzoic acids, alkyl/aryl amines, and carbon disulfide is described.
Fatemeh Ahmadi Shourkaei   +4 more
doaj   +1 more source

The impact of natural and synthetic polymers in formulating micro and nanoparticles for antidiabetic drugs.

open access: yesCurrent Drug Delivery, 2020
Diabetes mellitus is one of the long known chronic diseases, today over 400 million people are diagnosed with diabetes. Yet curing diabetes is a challenge.
Nihad Al-hashimi   +4 more
semanticscholar   +1 more source

Impact of Controlled Storage Conditions on the Hydrolysis and Surface Morphology of Amorphous-UO3

open access: yesACS Omega, 2021
The hydration and morphological effects of amorphous (A)-UO3 following storage under varying temperature and relative humidity have been investigated. This study provides valuable insight into U-oxide speciation following aging, the U-oxide quantitative ...
Alexa B. Hanson   +11 more
semanticscholar   +1 more source

Methodological Experience in the Teaching-Learning of the English Language for Students with Visual Impairment

open access: yesEducation Sciences, 2021
This document evidences an innovative methodological vision in the teaching-learning process of the English language focused on the inclusion of all its students in a heterogeneous learning environment. Learning a foreign language as a second language is
Jorge Cárdenas, Esteban Inga
doaj   +1 more source

Cost of Goods Analysis Facilitates an Integrated Approach to Identifying Alternative Synthesis Methodologies for Lower Cost Manufacturing of the COVID-19 Antiviral Molnupiravir [version 1; peer review: 2 approved]

open access: yesGates Open Research, 2022
Orally delivered drugs offer significant benefits in the fight against viral infections, and cost-effective production is critical to their impact on pandemic response in low- and middle-income countries.
Christopher Peterson   +6 more
doaj   +1 more source

A tutorial on recursive models for analyzing and predicting path choice behavior

open access: yes, 2020
The problem at the heart of this tutorial consists in modeling the path choice behavior of network users. This problem has been extensively studied in transportation science, where it is known as the route choice problem. In this literature, individuals'
Frejinger, Emma, Zimmermann, Maëlle
core   +1 more source

Learning Matchable Image Transformations for Long-term Metric Visual Localization

open access: yes, 2022
Long-term metric self-localization is an essential capability of autonomous mobile robots, but remains challenging for vision-based systems due to appearance changes caused by lighting, weather, or seasonal variations.
Clement, Lee   +3 more
core   +1 more source

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