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首页> 外文期刊>International journal of biomedical nanoscience and nanotechnology >Green synthesis, characterisation and biological studies of silver nanoparticles using Dalbergia sissoides seeds and ecofriendly reduction of 4-nitrophenol
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Green synthesis, characterisation and biological studies of silver nanoparticles using Dalbergia sissoides seeds and ecofriendly reduction of 4-nitrophenol

机译：黄檀种子的绿色合成，表征和生物学研究以及4-硝基苯酚的生态友好还原

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Green synthesis of Ag nanoparticles (AgNPs) has been of great interest because of its potential nanomedical applications. In this study, Dalbergia sissoides seeds (DSS) served as a reducing as well as a stabilising agent simultaneously thereby necessitating no additional reagent or further treatment. Appearance of surface plasmon band at 432 nm within 35 sec of microwave irradiation indicated the formation of DSS-silver nanoparticles. TEM analysis showed the DSS-AgNPs to be almost spherical in shape with a size of 18 ± 2 nm. When evaluated for their in vitro antioxidant activity, the nanoparticles showed considerably better activity when compared to that of the standard and the plant extract. Evaluation of anti-inflammatory activity of DSS-AgNPs by in-vitro method at a concentration of 10 mug/ml showed considerably better activity (94.05%), when compared to that of the plant extract (85.45%). The synthesised silver nanoparticles were also found to be effective in catalytic reduction of 4-nitrophenol (4-NP) into 4-aminophenol (4-AP).
机译：Ag纳米颗粒（AgNPs）的绿色合成因其潜在的纳米医学应用而备受关注。在这项研究中，黄檀种子（DSS）同时用作还原剂和稳定剂，因此无需其他试剂或进一步处理。在微波辐射的35秒内在432nm处的表面等离子体带的出现表明DSS-银纳米颗粒的形成。 TEM分析表明，DSS-AgNPs几乎为球形，大小为18±2 nm。当评估其体外抗氧化活性时，与标准品和植物提取物相比，纳米颗粒显示出明显更好的活性。与植物提取物（85.45％）相比，通过体外方法以10杯/毫升的浓度评估DSS-AgNPs的抗炎活性显示出明显更好的活性（94.05％）。还发现合成的银纳米颗粒可有效地将4-硝基苯酚（4-NP）催化还原成4-氨基苯酚（4-AP）。

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