نتایج جستجو برای: bioactive delivery

تعداد نتایج: 235534  

Journal: :Progress in Biomedical Engineering 2022

Abstract Tumors with high mortality rates are still a major threat to human survival and health worldwide. In recent years, cancer immunotherapy has made rapid clinical progress in eliminating cancers by activating the host's own immune system. Particularly, use of physiological bioactive gas molecules such as nitric oxide (NO), carbon monoxide (CO), hydrogen sulfide (H2S) have been developed n...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2014
Jeffrey C Anderson Ying Wan Young-Mo Kim Ljiljana Pasa-Tolic Thomas O Metz Scott C Peck

Genes encoding the virulence-promoting type III secretion system (T3SS) in phytopathogenic bacteria are induced at the start of infection, indicating that recognition of signals from the host plant initiates this response. However, the precise nature of these signals and whether their concentrations can be altered to affect the biological outcome of host-pathogen interactions remain speculative...

2017
Josh M Jorgensen Charles Arnold Per Ashorn Ulla Ashorn David Chaima Yin Bun Cheung Jasmine CC Davis Yue-Mei Fan Elisha Goonatilleke Emma Kortekangas Chiza Kumwenda Carlito B Lebrilla Kenneth Maleta Sarah M Totten Lauren D Wu Kathryn G Dewey

Background: Human milk oligosaccharides (HMOs) and bioactive proteins are beneficial to infant health. Recent evidence suggests that maternal nutrition may affect the amount of HMOs and proteins in breast milk; however, the effect of nutrient supplementation on HMOs and bioactive proteins has not yet been well studied.Objective: We aimed to determine whether lipid-based nutrient supplements (LN...

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2012
María Vallet-Regí Isabel Izquierdo-Barba Montserrat Colilla

This review article describes the importance of structure and functionalization in the performance of mesoporous silica bioceramics for bone tissue regeneration and local drug delivery purposes. Herein, we summarize the pivotal features of mesoporous bioactive glasses, also known as 'templated glasses' (TGs), which present chemical compositions similar to those of conventional bioactive sol-gel...

Journal: :Acta biomaterialia 2011
Chengtie Wu Yongxiang Luo Gianaurelio Cuniberti Yin Xiao Michael Gelinsky

New generation biomaterials for bone regeneration should be highly bioactive, resorbable and mechanically strong. Mesoporous bioactive glass (MBG), a novel bioactive material, has been used to study bone regeneration due to its excellent bioactivity, degradation and drug delivery ability, however, the construction of three-dimensional (3-D) MBG scaffolds (as for other bioactive inorganic scaffo...

Nanoemulsion is an alternative and promising approach to overcome insolubility and bioavailability problems of bioactive compounds. In this study, the sonication parameter for preparing nanoemulsions with high α- tocopherol and linolenic acid content were optimized by using response surface methodology and their stability were evaluated during 2 months’ storage. The response surface analysis re...

Journal: :Journal of food science 2015
David Julian McClements

UNLABELLED There has been a surge of interest in the development of nanoscale systems for the encapsulation, protection, and delivery of lipophilic nutrients, vitamins, and nutraceuticals. This review article highlights the challenges associated with incorporating these lipophilic bioactive components into foods, and then discusses potential nanoscale delivery systems that can be used to overco...

2016
Charlotte Vichery Jean-Marie Nedelec

Thanks to their high biocompatibility and bioactivity, bioactive glasses are very promising materials for soft and hard tissue repair and engineering. Because bioactivity and specific surface area intrinsically linked, the last decade has seen a focus on the development of highly porous and/or nano-sized materials. This review emphasizes the synthesis of bioactive glass nanoparticles and materi...

Journal: :Chemical communications 2008
Sangjin Park Hae-Sik Yang Dongkyu Kim Kyungmin Jo Sangyong Jon

We report rational design of amphiphilic polymers capable of making carbon nanotubes (CNTs) highly water dispersible and resistant to biofouling; such CNTs can be conjugated with bioactive molecules so as to be potential drug delivery vehicles.

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