Effect of concentrated solar radiation on the morphology of the silver nanoparticles and its antibacterial activity

Sastry, Sai Krishna C.; Jadhav, Nilesh L.; Doltade, Sarjerao Bapu; Pinjari, Dipak V.

doi:10.1080/00194506.2019.1579674

Cited by 4 publications

(3 citation statements)

References 24 publications

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“…Green synthesis of silver nanoparticles for antibacterial agents has attracted more interest in the field of pharmaceutical technology (Badnore et al, 2019;Sastry et al, 2019;Vishwasrao et al, 2019). This research aimed to optimize the nanosilver formula consisting of black tea leaf extract (C. sinensis L.) and AgNO 3 assisted by the CCD approach.…”

Section: Resultsmentioning

confidence: 99%

“…The nanosilver technology can be applied in the manufacturing process of sanitary napkins, cotton fibers, antiseptic sprays, and antimicrobial coatings for the sterilization of medical devices (Deshmukh et al, 2019;Ge et al, 2014;Ravindra et al, 2010;Sankar et al, 2016). Other publications reported that nanosilver particles were successfully synthesized to formulate antibacterial peel-off facial masks and produce other antibacterial agents (Badnore et al, 2019;Sastry et al, 2019;Vishwasrao et al, 2019). The size of nanosilver particles was stated as an important consideration since the decreasing of the size might affect the increasing of antibacterial activity of the material (Dong et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

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Application of the central composite design approach for optimization of the nanosilver formula using a natural bioreductor from Camellia sinensis L. extract

Dwiastuti¹,

Suhendra²,

Yuliani³

et al. 2022

j app pharm sci

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In recent years, the interest in applying the nanosilver technology in the medical field has increased due to its benefit for microbial inactivation. A natural bioreductor was chosen and developed in the nanosilver formulation to minimize the toxicity effects. The content of rutin makes it possible to develop an alternative bioreductor agent using black tea (Camellia sinensis L.) leaves extract. The aim of this research was to optimize the nanosilver formula consisting of black tea leaf extract and AgNO 3 with the employment of central composite design. The visible absorption wavelength and transmittance percentage were observed as dependent variables. The presence of rutin in the black tea leaves extract was proved using the thin-layer chromatography (TLC) technique. It was found that the extract concentration of 2.131% (m/v) and the AgNO 3 concentration of 1.379 mM were stated as the computational recommendation resulting from the predictive model with a composite desirability value at 0.998. These optimum conditions were applied in the synthesis of six nanosilver formula replications and resulted in the percentage of a prediction relative error of absorption wavelength and transmittance which were in the ranges of 1.18%-9.18% and 2.72%-8.64%, respectively. The Relative Standard Deviation (RSD) values of absorption wavelength and transmittance were 2.81% and 2.21%, respectively. The Z-average of the nanosilver particles was 124.8 nm.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Application of the central composite design approach for optimization of the nanosilver formula using a natural bioreductor from Camellia sinensis L. extract

Dwiastuti¹,

Suhendra²,

Yuliani³

et al. 2022

j app pharm sci

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show abstract

“…Moreover, CSR can promote the synthesis of chalcones [59], pyrazoles [60], benzimidazoles [61], and isoxazole-5(4H)-one [62]. Besides these, CSR is effectively utilized for palladium, iron, and silver nanoparticle synthesis [53,63,64].…”

Section: Introductionmentioning

confidence: 99%

Solar-Assisted Green Synthesis, Molecular Docking, Antibacterial, and Cytotoxicity Studies of Symmetrical N, N’-Alkylidene Bisamides Bearing Lower E-Factors

Kamble,

Chatterjee,

Gad

et al. 2024

AJHC

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N, N'-alkylidene bisamides show promise in biological and pharmaceutical uses. Advanced chemistry now explores cleaner and more environmentally friendly methods. One such method involves using concentrated solar radiation (CSR) to facilitate the green synthesis of N, N'-alkylidene bisamides. This approach simplifies the process by combining aldehydes and amides in a one-pot reaction. Its solvent-free nature sets it apart, aligning with environmentally friendly practices. Any regular catalyst aids the response, making it efficient. The simplicity continues with an easy filtration step to isolate the products. Notably, there's no need for column chromatography, making the purification process straightforward. In general, a mixture of aldehyde, aryl/alkylamide was taken in a round bottom flask. The reaction mass in RBF was then kept under the concentrated solar radiation (CSR) setup with continuous stirring on a magnetic stirrer. After few hours of stirring the precipitate was observed. After completion of the reaction, the precipitated product was washed with water and recrystallized from hot ethanol to afford pure product symmetrical N, N'-alkylidene bisamide. Dimethyl sulfoxide (DMSO) was used as a solvent to prepare a stock of derivatives. Luria Bertani broth (LB) used for the present study viz; Staphylococ-cus aureus MCC 2408, Escherichia coli MCC 2412, Pseudomonas aeruginosa MCC 2080 and Klebsiella pneumoniae MCC 2451 used to evaluate the antibacterial property of the derivatives. Indeed, this method offers an eco-friendly solution and showcases the potential of using renewable energy sources in chemical synthesis. It is a significant step towards sustainable practices in chemistry, particularly in producing complex organic compounds for biological and pharmaceutical purposes.

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Design solutions and characterization of a small scale and very high concentration solar furnace using a Fresnel lens

González-Camarillo,

Gallo,

Padilla

et al. 2024

Applied Thermal Engineering

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Effect of concentrated solar radiation on the morphology of the silver nanoparticles and its antibacterial activity

Cited by 4 publications

References 24 publications

Application of the central composite design approach for optimization of the nanosilver formula using a natural bioreductor from Camellia sinensis L. extract

Application of the central composite design approach for optimization of the nanosilver formula using a natural bioreductor from Camellia sinensis L. extract

Solar-Assisted Green Synthesis, Molecular Docking, Antibacterial, and Cytotoxicity Studies of Symmetrical N, N’-Alkylidene Bisamides Bearing Lower E-Factors

Design solutions and characterization of a small scale and very high concentration solar furnace using a Fresnel lens

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