Luminescent TiO2 nanoparticles synthesized from Mollugo Oppositifolia and Trianthema Portulacastrum for dye degradation, antimicrobial and antioxidant properties

IF 3.2 4区化学 Q2 CHEMISTRY, ANALYTICAL

Luminescence Pub Date : 2024-08-27 DOI:10.1002/bio.4847

Natarajan Sampathkumar, Aanthaparavasar Swetharanyam, Velusamy Arul, Seenan Jayakumar, Velankadu Natrayan Mutharaian, Sandhanasamy Devanesan, R. Mythili, Athinarayanan Balasankar, Sherlin Nivetha

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Abstract

In modern times, nanoparticles have materialized as indispensable things in contemporary medicine, with a variety of uses in clinical, drug and gene conveyance. In the present study, TiO₂ nanoparticles (NPs) prepared from the leaf extracts of Mollugooppositifolia and Trianthema portulacastrum were compared with the chemical TiO₂-NPs for antibacterial and antioxidant activities and environment-friendly nature through various tools like the UV-visible, X-ray diffraction with the aid of other analytical techniques like HR-TEM, Fourier transform infrared (FT-IR) and photoluminescence spectroscopic techniques. The morphology of green TiO₂-NPs is found to be spherical, which is supported by HR-TEM images. FT-IR analyses and X-ray diffraction data ensure that the polycrystalline characters of TiO₂-NPs alike to the presence of metal oxide. TiO₂-NPs showed a possible photocatalytic activity for the ruin of acid black 1 dye after disclosure to sunlight. The chemical and green methods of TiO₂-NPs have acid black 1 dye decomposition rates of 86.66% and 94.33%, respectively. The synthesized TiO₂-NPs are also assessed for antimicrobial and antioxidant activities. Green TiO₂-NPs exhibit antibacterial activity against Pseudomonas aeruginosa (17 + 0.56 mm) and Staphylococcus aureus (16 + 0.24 mm) at concentrations as low as 100 μL. The green TiO₂-NPs showed high inhibition of DPPH I radical (50 μg/m) at 95.17 ± 21. Therefore, TiO₂-NPs represent eco-friendly properties that aid in the degradation of dyes due to their antioxidant activity.

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从 Mollugo Oppositifolia 和 Trianthema Portulacastrum 中合成的发光 TiO2 纳米粒子的染料降解、抗菌和抗氧化性能。

在现代，纳米粒子已成为当代医学中不可或缺的物质，在临床、药物和基因传输等方面具有多种用途。在本研究中，通过紫外可见光、X 射线衍射和其他分析技术，如 HR-TEM、傅立叶变换红外（FT-IR）和光致发光光谱技术，将从 Mollugooppositifolia 和 Trianthema portulacastrum 的叶提取物中制备的 TiO2 纳米粒子（NPs）与化学 TiO2-NPs 的抗菌、抗氧化活性和环境友好性质进行了比较。绿色 TiO2-NPs 的形态呈球形，这一点得到了 HR-TEM 图像的支持。傅立叶变换红外分析和 X 射线衍射数据确保了 TiO2-NPs 的多晶特性与金属氧化物的存在一致。TiO2-NPs在暴露于阳光下后显示出可能具有破坏酸性黑 1 染料的光催化活性。化学法和绿色法的 TiO2-NPs 对酸性黑 1 染料的分解率分别为 86.66% 和 94.33%。合成的 TiO2-NPs 还进行了抗菌和抗氧化活性评估。在浓度低至 100 μL 时，绿色 TiO2-NPs 对绿脓杆菌（17 + 0.56 mm）和金黄色葡萄球菌（16 + 0.24 mm）具有抗菌活性。绿色 TiO2-NPs 对 DPPH I 自由基（50 μg/m）的抑制率高达 95.17 ± 21。因此，TiO2-NPs 具有环保特性，其抗氧化活性有助于染料的降解。

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来源期刊

Luminescence 生物-生化与分子生物学

CiteScore

5.10

自引率

13.80%

发文量

248

审稿时长

3.5 months

期刊介绍： Luminescence provides a forum for the publication of original scientific papers, short communications, technical notes and reviews on fundamental and applied aspects of all forms of luminescence, including bioluminescence, chemiluminescence, electrochemiluminescence, sonoluminescence, triboluminescence, fluorescence, time-resolved fluorescence and phosphorescence. Luminescence publishes papers on assays and analytical methods, instrumentation, mechanistic and synthetic studies, basic biology and chemistry. Luminescence also publishes details of forthcoming meetings, information on new products, and book reviews. A special feature of the Journal is surveys of the recent literature on selected topics in luminescence.