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Aim:The aims of this review are to assess the anti-viral and targeting strategies using nano materials and the possibility of using Silver nanoparticles for combating the SARS-CoV-2. Background: The novel Coronavirus (SARS-CoV-2) has become a global pandemic and has spread rapidly worldwide. Researchers have successfully identified the molecular structure of the novel coronavirus however significant success has not yet been observed with the therapies currently in clinical trials and exhaustive studies are yet to be carried out in the long road to discovery of a vaccine or a possible cure. Another hurdle associated with the discovery of a cure is the mutation of this virus which may occur at any point in time. Hypothesis: Previous studies have identified a wide number of strains of Coronaviruses with differences in virulent properties. Silver nanoparticles have been used extensively in anti-viral research with promising results in-vitro. However, it has not yet been tested for the same in clinical subjects. It has also been tested on two variants of coronavirus in-vitro with significant data to understand the pathogenesis and which may be implemented in further research possibly in other variants of coronavirus. Another interesting targeting approach would be to test the effect of Silver Nanoparticles on TNF-α as well as Interleukins in SARS-CoV-2 patients. Conclusion: Sufficient evidence is required for its therapeutic potential and it still has to go a long way in SARS-CoV-2 research.

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An Alcoholic Liver Disease (ALD) has emerged as the serious health problem globally, with high morbidity and mortality rate. Heavy alcohol consumption resulted in broad spectrum of liver diseases ranging from steatosis (alcoholic fatty liver), alcoholic hepatitis (AH), fibrosis, cirrhosis, and hepatocellular carcinoma (HCC). In this review the detailed patho-physiology of the ALD, role of oxidative stress ALD, the mechanism of action of flavonoids with different models used have been explained. Heavy alcohol consumption leads to severe liver diseases, which is demonstrated by increased blood levels of ALT, AST, and/or lactate dehydrogenase (LDH) and accumulation of lipid in the hepatocytes causing steatosis. There are three mechanisms involved in causing of ALD, those are: (a) acetaldehyde toxicity; (b) oxidative stress or generation of ROS; and lastly (c) provocation of the immune response of hepatocytes causing oxidative stress. This shows that oxidative stress is a major cause for ALD, therefore, defence activities against this stress are most vital in the prevention of ALD. Application of antioxidants especially flavonoids signifies a rational curative strategy to prevent and cure liver diseases involving oxidative stress. Flavonoids inhibit ROS formation by regulating glutathione S-transferase, mitochondrial succinoxidase etc. Since lipid peroxidation is a result of oxidative stress, lipids are protected from oxidative damage using flavonoids. Various flavonoids and their mechanism of action have been discussed in this review, formulation of these flavonoids will be highly beneficial for treatment of ALD.

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