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Thiagarajar College

About: Thiagarajar College is a based out in . It is known for research contribution in the topics: Photocatalysis & Nanocomposite. The organization has 430 authors who have published 664 publications receiving 9694 citations.

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Journal ArticleDOI
TL;DR: These green synthesized AgNPs were found to show higher antimicrobial efficacy against multi drug resistant clinical isolates and the crystalline nature of nanoparticles was confirmed from the XRD pattern.

475 citations

Journal ArticleDOI
TL;DR: The In-vitro antibacterial activity of AgNPs showaed potential antibacterial property against multi-drug resistant pathogens such as Salmonella typhi and Staphylococcus aureus and could be utilized as antimicrobial agents for effective disease management.

277 citations

Journal ArticleDOI
TL;DR: This work has validated the practicability of the developed glucose sensor in real biological samples and identified and documented the transformation of CuS phase, which has an excellent electrocatalytic activity when compare to the bulk CuS.
Abstract: Over the present material synthesis routes, the sonochemical route is highly efficient and comfortable way to produce nanostructured materials. In this way, the copper sulfide (CuS-covellite) and sulfur doped reduced graphene oxide (S-rGO) nanocomposite was prepared by sonochemical method. Interestingly, the structure of the as-prepared S-rGO/CuS was changed from the covellite to digenite phase. Herein, the S-rGO was act as a mild oxidizer and liable for the structural transformations. These structural changes are sequentially studied by various physicochemical characterizations such as Fourier transform infrared spectroscopy (FT-IR), Raman spectroscopy, X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and Transmission electron microscopy (TEM). After scrupulous structural evaluations, the transformation of CuS phase was identified and documented. This oxidized CuS has an excellent electrocatalytic activity when compare to the bulk CuS. This S-rGO/CuS was further used for the determination of glucose and acquired good electrocatalytic performances. This S-rGO/CuS was exhibited a wide linear concentration range, 0.0001–3.88 mM and 3.88–20.17 mM, and a low-level detection limit of 32 nM. Moreover, we have validated the practicability of our developed glucose sensor in real biological samples.

161 citations

Journal ArticleDOI
TL;DR: In this paper, a study of the variation of degradation behavior of polypropylene (PP) film during tropical summer and winter seasons is presented, where the photodegradation is followed by Fourier transform infrared (FTIR) spectroscopic technique.
Abstract: Polypropylene (PP) has achieved a dominating position and hence, their consumption increases thereby littering, which lead to environmental pollution. Photodegradation seems to be a better choice because of naturally available sunlight as energy source for degradation. The present work involves the study of the variation of degradation behavior of PP film during tropical summer and winter seasons. The photodegradation is followed by Fourier transform infrared (FTIR) spectroscopic technique. Various indices like hydroxyl, carbonyl, vinylidene, lactones, ester, carboxylic acid and crystallinity are calculated and these values increased after a brief induction period. The variation in the mechanical properties like tensile strength and elongation at break percentages are determined. The scanning electron microscopic (SEM) images of weathered PP showed surface cracks when carbonyl index value increases sharply and the mechanical properties show a sudden decrease. Attempted life time prediction using mathematical models showed that the carbonyl growth is more affected by ultraviolet (UV) and cumulative total solar radiation for PP weathered during summer. The loss in tensile strength of PP weathered during summer is more dependent on the average temperature and the UV portion of the total solar radiation whereas, intensity of UV radiation has profound effect on the tensile strength of PP weathered during winter.

150 citations


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