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|關鍵字:||Cell physiology;細胞生理;Growth performance;Nanoparticles;生長性能;奈米微粒||出版社:||臺中巿： 國立中興大學農學院||Project:||農林學報, Volume 60, Issue 2, Page(s) 171-180.||摘要:||
Nanoparticles are structures sized between 1 to 100 nm. Due to their extremely microscopic size, the value of ratio of activity to weight is enormously high. In other words, nanoparticles have the same or even better efficacy by using relatively much lighter dosages than those of the larger particles under the same condition. So far, nanoparticles have been widely applied in variable aspects, such as inhibition of microbial growth, medical applications, or feed additive of weaning piglets to reduce the population of intestine coliforms and ameliorate food intake and growth performance. Despite the broad applications to the products for daily use, little is known about the impact of nanoparticles on the livestock while the animals are administered the microscopic particles. Recent studies have demonstrated that the nanoparticles could penetrate capillaries and distribute throughout the body, which would affect physiology of animal cells. It has been shown that not only cytotoxicity and immunoreactions, but also the changes of organ weights, cell morphology, serum hormone concentrations and gene expression would be possibly caused by the administration of nanoparticles reached to a certain level. Hence, the further and thorough investigations are required to understand the effects of nanoparticles on the animal health and environment.
|Appears in Collections:||農業暨自然資源學院|
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