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157 results on '"Jaiswal, Krishna Kumar"'

2. Performance Enhancement of a Vertical Axis Wind Turbine (NACA 25112) Using Deflector Plates as an Augmenter

Author

Kumar, Karthik Selva, Jaseel, Mohammed, Brintha, R, Devi, Aruna, Jaiswal, Krishna Kumar, Sangmesh, B M, Suresh, A, Balaji, P S, Chaari, Fakher, Series Editor, Gherardini, Francesco, Series Editor, Ivanov, Vitalii, Series Editor, Haddar, Mohamed, Series Editor, Cavas-Martínez, Francisco, Editorial Board Member, di Mare, Francesca, Editorial Board Member, Kwon, Young W., Editorial Board Member, Trojanowska, Justyna, Editorial Board Member, Xu, Jinyang, Editorial Board Member, Tambe, Pankaj, editor, Huang, Peter, editor, and Jhavar, Suyog, editor

Published
2024
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10. Biochar-Based Nanocomposite Materials: Types, Characteristics, Physical Activation, and Diverse Application Scenarios

Author

Verma, Ravikant, Dutta, Swapnamoy, Kumar, Arvind, Dabodiya, Tulsi Satyavir, Kumar, Naveen, Karuppasamy, Karthik Selva Kumar, Sangmesh, B., Jaiswal, Ajeet, Jaiswal, Krishna Kumar, Pisello, Anna Laura, Editorial Board Member, Hawkes, Dean, Editorial Board Member, Bougdah, Hocine, Editorial Board Member, Rosso, Federica, Editorial Board Member, Abdalla, Hassan, Editorial Board Member, Boemi, Sofia-Natalia, Editorial Board Member, Mohareb, Nabil, Editorial Board Member, Mesbah Elkaffas, Saleh, Editorial Board Member, Bozonnet, Emmanuel, Editorial Board Member, Pignatta, Gloria, Editorial Board Member, Mahgoub, Yasser, Editorial Board Member, De Bonis, Luciano, Editorial Board Member, Kostopoulou, Stella, Editorial Board Member, Pradhan, Biswajeet, Editorial Board Member, Abdul Mannan, Md., Editorial Board Member, Alalouch, Chaham, Editorial Board Member, O. Gawad, Iman, Editorial Board Member, Nayyar, Anand, Editorial Board Member, Amer, Mourad, Series Editor, Mishra, Disha, editor, Singh, Rishikesh, editor, and Khare, Puja, editor

Published
2023
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27. List of contributors

Author

Abdel-Mohsen, Heba H., primary, Adrah, Kelvin, additional, Akintola, Shehu Latunji, additional, Andretta, Ines, additional, Backi, Christoph Josef, additional, Banerjee, Ishita, additional, Bhushan, Mayank, additional, Brennan, Charles, additional, Brennan, Margaret, additional, Carrilho, Raquel, additional, Cerqueira, Marco, additional, da Silva Pires, Paula Gabriela, additional, de Magalhães, Cláudia Raposo, additional, de Menezes Lovatto, Naglezi, additional, Desai, Ajay S., additional, Dutta, Swapnamoy, additional, Elegbede, Isa Olalekan, additional, Fakoya, Kafayat Adetoun, additional, Farinha, Ana Paula, additional, Gangan, S.S., additional, Jaiswal, Krishna Kumar, additional, Jolaosho, Toheeb, additional, Kipper, Marcos, additional, Loureiro, Bruno Bianchi, additional, Maluwa, Alfred, additional, Mehanna, Sahar Fahmy, additional, Mendéz, Maria Sara Cabrera, additional, Moreira, Márcio, additional, Odunsi, Esther, additional, Rodrigues, Pedro M., additional, Saleh, Norhan E., additional, Schrama, Denise, additional, Tahergorabi, Reza, additional, V.P., Mayookha, additional, and Wassef, Elham A., additional

Published
2022
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32. Microwave-irradiated bio-fabrication of TiO2 nanoparticles stabilized by phytoconstituents from Phyllanthus emblica seeds and its antibacterial activities.

Author

Ahmad, Waseem, Jaiswal, Krishna Kumar, Bajetha, Asha, Naresh, Nibagani, Verma, Ravikant, and Banerjee, Ishita

Subjects
*X-ray diffraction, *BACILLUS (Bacteria), *ANTIBACTERIAL agents, *PHYLLANTHUS, *ESCHERICHIA coli
Abstract

This research have examined the facile bio-fabrication of the rutile phase of TiO2-NPs nanoparticles using phytoconstituents of Phyllanthus emblica seeds as a reducer and stabilizers under microwave irradiations. XRD confirmed the incidence of phase with the formation of nanostructured crystals with average crystallite size ∼ 19 nm. FTIR spectra exhibited the attendance of the O–Ti–O band with a remnant of phytoconstituents. SEM and HRTEM have shown an almost spherical morphology with smooth particle surfaces in the 30–50 nm size range. The results of the antimicrobial tests were determined with the zone of inhibitions observed in the incubated culture plates. The effective zone of inhibitions were noted to be 23.33 ± 0.5, 24.67 ± 0.5, and 22.67 ± 0.5 mm against Bacillus sp., Escherichia coli, and Pseudomonas sp., respectively. This research has demonstrated an inexpensive, rapid, and facile technique for the formation of rutile TiO2-NPs with suitable structural and morphology features for antimicrobial applications. [ABSTRACT FROM AUTHOR]

Published
2024
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40. Pathophysiology of high fat diet induced obesity: impact of probiotic banana juice on obesity associated complications and hepatosteatosis

Author

Konda, Prabhakar Yellanur, Poondla, Vijayakumar, Jaiswal, Krishna Kumar, Dasari, Sreenivasulu, Uyyala, Reddemma, Surtineni, Venkata Prasad, Egi, Janardhan Yadav, Masilamani, Anthony Johnson Antony, Bestha, Lakshmi, Konanki, Sreenath, Muthulingam, Muthukumaran, Lingamgunta, Lakshman Kumar, Aloor, Bindu Prasuna, Tirumalaraju, Sridevi, Sade, Ankanna, Ratnam Kamsala, Venkata, Nagaraja, Sreeharsha, Ramakrishnan, Ranjani, and Natesan, Vijayakumar

Published
2020
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41. Pomegranate peels mediated synthesis of calcium oxide (CaO) nanoparticles, characterization, and antimicrobial applications.

Author

Ahmad, Waseem, Kamboj, Abhishek, Banerjee, Ishita, and Jaiswal, Krishna Kumar

Subjects
LIME (Minerals), ULTRAVIOLET-visible spectroscopy, ASPERGILLUS niger, BACILLUS (Bacteria), ASPERGILLUS fumigatus
Abstract

This research work investigates the facile biosynthesis of calcium oxide nanoparticles (CaO-NPs) using pomegranate peels. The characterizations of the prepared CaO-NPs were performed with the help of UV-visible spectroscopy, X-ray diffraction, Fourier-transform infrared spectroscopy, and scanning electron microscopy. In this investigation, we have evaluated the antimicrobial activities of the prepared CaO-NPs against the selected bacterial viz. Escherichia coli, Bacillus sp., and Pseudomonas sp., and fungal strains viz. Aspergillus fumigatus, Aspergillus niger, and Arthrographis cuboidea. The result of antimicrobial activity was determined with the obtained zones of inhibition on the culture plates. The maximum antibacterial and antifungal activities (zone of inhibitions) of the biosynthesized CaO-NPs was observed to be 24.67 ± 0.5 mm and 26.67 ± 0.5 mm against the Bacillus sp., and Arthrographis cuboidea, respectively. This study has deliberated on the facile and inexpensive method to synthesize ecological CaO-NPs of appropriate structural and morphological characteristics with adequate antimicrobial characteristics. [ABSTRACT FROM AUTHOR]

Published
2024
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43. Bio-fabrication of selenium nanoparticles/micro-rods using cabbage leaves extract for photocatalytic dye degradation under natural sunlight irradiation.

Author

Jaiswal, Krishna Kumar, Dutta, Swapnamoy, Pohrmen, Cheryl Bernice, Banerjee, Ishita, Das, Himadri Tanaya, Jha, Natwar, Jha, Bhaskar, Verma, Monu, and Ahmad, Waseem

Subjects
*PHOTODEGRADATION, *RESONANCE Raman effect, *DYES & dyeing, *CABBAGE, *SELENIUM, *SEMICONDUCTOR synthesis, *PLANT extracts
Abstract

This work reports the synthesis of semiconductor selenium nanoparticles/micro-rods (Se-NP/MRs) using the bio-fabrication approach and studies its photocatalytic activity under natural sunlight irradiation. Cabbage leaf extract was used as a reducing agent to fabricate Se-NP/MRs. X-ray diffraction patterns shown the crystalline structure with a crystallite size of 28.17 nm, conferring to planes of hexagonal structure. A characteristic sharp resonance peak in Raman spectra at 235 cm−1 endorsed to the Se – Se bond of crystalline Se-NP/MRs. The prominent peak in the FTIR spectra at 621 cm−1 supported the formation of Se-NP/MRs. Scanning electron micrograph revealed a nearly spherical shape with irregular layers in the 35‒95 nm size range. In contrast, the dimension of the micro-rods was observed to be ~ 10 µm in length and 2.5 µm in diameter. The bandgap energy of Se-NP/MRs was analysed to be 2.14 eV using the Tauc plot. The exciting photocatalytic performance of the bio-fabricated Se-NP/MRs revealed that the methylene blue degradation was ~ 86% in 40 min and ~ 97% in 140 min. Kinetic analysis shows that the pseudo-second-order correlation coefficient is well fitted compared to the pseudo-first-order. Therefore, this work opens the door to further exploration of nano-materials/composites with mixed nanoparticles/micro-rods morphology for sustainable applications in the removal of various textile and industrial contaminants. [ABSTRACT FROM AUTHOR]

Published
2023
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49. Microwave-assisted polycrystalline Ag/AgO/AgCl nanocomposites synthesis using banana corm (rhizome of Musa sp.) extract: Characterization and antimicrobial studies

Author

Jaiswal, Krishna Kumar, primary, Banerjee, Ishita, additional, Dutta, Swapnamoy, additional, Verma, Ravikant, additional, Gunti, Lokanadhan, additional, Awasthi, Sharad, additional, Bhushan, Mayank, additional, Kumar, Vinod, additional, Alajmi, Mohamed Fahad, additional, and Hussain, Afzal, additional

Published
2022
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