To minimize the hazardous effect of physical and chemical synthesis of nanoparticles we focused on the green synthesis of nanoparticles. Nanotechnology is a research hotspot and catch great attention because of its versatile applications in medical, biosciences and engineering fields. Purpose of our recent study is to synthesize bio-inspired metallic silver NPs by root mediated Zingiber officianale extract. The synthesized Ag-NPs were further characterized by using UVVisible spectroscopy, XRD, EDX, SEM, TEM and DLS techniques. The extent of crystallites were confirmed by X-ray diffraction. SEM and TEM revealed the morphological features with size of nanoparticles between 17.3 and 41.2 nm. FTIR analysis confirmed the capping of nanoparticles by bio active constituents present in Zingiber officinale extract. Later EDX confirmed the elemental composition of nanoparticles. Zeta potential, PDI and hydrodynamic size of Ag-NPs were confirmed by DLS. The synthesize Ag-NPs possess eminent biological potency against bacterial and leishmanial strains. Moreover considerable anti-diabetic, anticancer, antioxidant and biocompatibility nature of Ag-NPs was elucidated. The highest antioxidant activity of 50.61± 1.12%, 38.22 ± 1.18% and 27.39 ± 0.92 at 200 g/mL for TAC, TRP DPPH and was observed respectively. Ag-NPs exhibit potent leishmanicidal activity of 80% ± 1.4 against promastigotes and 77% ± 1.6 against amastigotes cultures of L. tropica. Highest antidiabetic activity 30 ± 0.77% recorded at 200 μg/ml. Highest Brine shrimps cytotoxicity of Ag-NPs was 60 ± 1.18 at 200 g/ml. Maximum dye degradation for Ag-NPs was recorded as 94.1% at 140 minute. All UTI isolates were resistant to antibiotics not coated with Ag-NPs. By applying 1% of Ag-NPs highest activity was recorded as 25 ± 1.58 mm against K. pneumoniae. Maximum zone of inhibition for Ag-NPs coated with Imipenem antibiotics 26 ± 1.5 mm against K. pneumoniae and coated with Ciprofloxacin 26 ± 1.4 m against S. aureus were measured. Last but not least high biocompatible nature of Ag-NPs was observed against fresh RBCs making the ecofriendly biosynthesized silver NPs a multi-dimensional candidate in biomedical field.

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