Materials Science and Nanotechnology

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Short Communication - Materials Science and Nanotechnology (2020) Volume 4, Issue 4

Nanotechnology in development of botanical source drugs against Covid-19; Challenges and issues

Coronavirus is causing life-threatening disease since 2019 (COVID-19). It is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that has been considered as pandemic. Treatment of COVID-19 is basically supportive. Since COVID-19 outbreak, different herbal products (standardized extracts) with promising results have been used individually or along with conventional drugs to treat infected patients. Interestingly, some products may block the ACE-2 receptor. In addition, natural products were shown to inhibit the COVID-19 life-cycle related proteins such as papain-like or chymotrypsin-like proteases. Some of others have strong anti-inflammatory effects. However the main problem with herbal based products is their low bioavailability and so decreased in vivo therapeutic effects. Development of biocompatible Nano formulations, as novel carriers of drug molecules or compounds with pharmacological interest, is a technology that provides different applications. Specifically the use of formulations for enhanced delivery, based on nanotechnology, is an important field. Such novel systems of drug delivery including Nano dispersions such as micro emulsions and nanoemulsions, lipid nanocarriers, liposomes, niosomes, and dendrimers emerged as interest of many research groups. Potential benefits of improved drug delivery consist of reducing drug’s side effects and maintain drug concentration in target site continiously. Moreover, protection of the drugs from chemical or metabolic modification, throughout their route toward the target cell with enhanced bioavailability is very much concerned. We suggest challenges and issues in enhanced delivery systems of natural products with the potential to be used alone or in combination as alternative medicines to treat/prevent COVID-19 infection

Author(s): Mansoureh Nazari V

Abstract Full Text PDF

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