P. Vishwakarma

ORCID: 0000-0001-6867-6734
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Research Areas
  • Metal complexes synthesis and properties
  • Vanadium and Halogenation Chemistry
  • Inorganic and Organometallic Chemistry
  • Nonlinear Optical Materials Research
  • Crystal structures of chemical compounds
  • Magnetism in coordination complexes
  • Thermal and Kinetic Analysis
  • Polyoxometalates: Synthesis and Applications
  • Free Radicals and Antioxidants
  • Synthesis and Characterization of Heterocyclic Compounds
  • Organometallic Compounds Synthesis and Characterization
  • Microbial metabolism and enzyme function
  • Synthesis and biological activity
  • Anaerobic Digestion and Biogas Production
  • Crystallography and molecular interactions
  • Smart Agriculture and AI
  • Extraction and Separation Processes
  • Graphene and Nanomaterials Applications
  • Mast cells and histamine
  • Innovative Microfluidic and Catalytic Techniques Innovation
  • Livestock Management and Performance Improvement
  • Animal health and immunology
  • Data Stream Mining Techniques
  • Electrowetting and Microfluidic Technologies
  • Plant Pathogenic Bacteria Studies

Dr. Rajendra Prasad Central Agriculture University
2024

Central Agricultural University
2024

Electronics Corporation of India
2024

Rani Durgavati University
2006-2023

Indian Institute of Technology Gandhinagar
2023

Koneru Lakshmaiah Education Foundation
2023

Bangalore University
2017

Banaras Hindu University
2010-2017

National Institute of Technology Tiruchirappalli
2015

This article reports the synthesis and characterization of four Ni(II) Schiff base complexes, [Ni(L)(H2O)], where H2L = N-(dehydroacetic acid)-thiosemicarbazide (H2dha-tsc), acid)-4-methyl-3-thiosemicarbazide (H2dha-mtsc), acid)-4-phenyl-3-thiosemicarbazide (H2dha-ptsc), or acid)-4-phenylsemicarbazide (H2dha-psc). The nature bonding stereochemistry these complexes have been deduced from elemental analysis, infrared electronic spectral studies, molar conductance, magnetic measurements, mass...

10.1080/00958972.2015.1064526 article EN Journal of Coordination Chemistry 2015-06-22

Rice is a globally significant staple crop, yet its production increasingly threatened by climate variability and shifting agronomic conditions. This study employs the Decision Support System for Agrotechnology Transfer (DSSAT) CERES-Rice model to simulate assess rice yield dynamics in Dapoli region of Maharashtra. Calibration validation were conducted using historical datasets from 2011 Kharif season tested against observed yields 2020 2021. Key input parameters, including daily weather...

10.36948/ijfmr.2025.v07i02.38772 article EN International Journal For Multidisciplinary Research 2025-03-11

The evolving field of disruptive technologies has recently gained significant interest in various industries, including agriculture. fourth industrial revolution significantly impacted agriculture, with the application artificial intelligence (AI) and machine learning (ML) reshaping industry. This study reviews research advances AI agricultural sector, focusing on its potential. authors highlight challenges urban populations face developing countries during unpredictable global economic...

10.55041/ijsrem44407 article EN INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 2025-04-12

Corrosion and thermo-chemistry is a prominent discipline of physical science. In the conspicuous fascination to design potent durable materials herein, we report synthesis an oxoperoxomolybdenum(VI) complex containing maltol acetylacetone as co-ligands. Magnetic susceptibility measurements, FAB mass spectrometry, FT-IR spectroscopy thermal analysis are main characterization techniques that have been used arrive at proposed structure compound. Experimental data compared with density...

10.1016/j.kijoms.2017.08.006 article EN Karbala International Journal of Modern Science 2017-10-11

Urinary tract infections (UTIs) are counted among serious health problems affecting large number of people each year. UTIs the second most common infections. This paper reports synthesis a novel nitrosyl complex Ru(II) that has been found effective against some selected gram negative bacteria, E. coli and Pseudomonas. It activity was pronounced more Pseudomonas than coli. Hence, may be seen agent UTI. On characterizing by virtue combined experimental-DFT scope, suitable octahedral structure...

10.1016/j.jksus.2017.06.006 article EN cc-by-nc-nd Journal of King Saud University - Science 2017-06-27

Purpose This study aims to introduce a vision-based model generate droplets with auto-tuned parameters. The can auto-adjust the inherent uncertainties and errors involved fabrication operating parameters in microfluidic platform, attaining precise size frequency of droplet generation. Design/methodology/approach photolithography method is utilized prepare devices used this study, various experiments are conducted at flow-rate viscosity ratios. Data for shape collected train artificial...

10.1108/hff-07-2023-0361 article EN International Journal of Numerical Methods for Heat &amp Fluid Flow 2024-08-14

The present paper reports the synthesis and characterization of some new oxovanadium(IV) complexes composition[VO(L)2(H2O)]·H2O, where LH = N-(4′-butyrylidene-3′-methyl-1′-phenyl-2′-pyrazolin-5′-one)sulfadiazine (bumphp-sdzH), N-(4′-butyrylidene-3′-methyl-1′-phenyl-2′-pyrazolin-5′-one)sulfaguanidine (bumphp-sgnH), N-(4′-butyrylidene-3′-methyl-1′-phenyl-2′-pyrazolin-5′-one)sulfani-lamide (bumphp-snmH), N-(4′-butyrylidene-3′-methyl-1′-phenyl-2′-pyrazolin-5′-one)sulfamerazine (bumphp-smrH)....

10.1016/j.arabjc.2011.01.009 article EN cc-by-nc-nd Arabian Journal of Chemistry 2011-01-19

Superoxide dismutase in relation to Alzheimer's disease can be thought as the basis for development of copper coordination complexes designed radiopharmaceuticals assist diagnosis/treatment this disorder. In such a fascination, systematic study series three Cu(II)-N-dehydroacetic acid-salicylic acid hydrazide (H2dha-shz) Schiff base complexes, based on hyphenated experimental and theoretical approach, having general composition formula [Cu(dha-sahz)(L)], where L is H2O, imidazole (imdH)] or...

10.1080/22243682.2017.1407669 article EN Journal of the Chinese Advanced Materials Society 2017-12-01

Due to growing resistance and continuous colonization among microbes, researchers are eager design put forth antibiotic substances of effective anti-nosocomial infection activity. Under such purview, the current report deals with synthesis formulation a dioxomolybdenum(VI) complex general formula [MoO2(L)(H2O)], where H2L = N-(o-hydroxyacetophenone)isonicotinic acid hydrazide (H2haina), as compound against hospital acquired infections. The was characterized by elemental analysis, conductance...

10.1080/22243682.2018.1466727 article EN Journal of the Chinese Advanced Materials Society 2018-05-25

A new series of five mixed-ligand complexes dioxomolybdenum(VI) the general composition [MoO2(L)2(H2O)2], where LH = 4-acetyloxime-3-methyl-1-phenyl-2-pyrazolin-5-one (aomppH), 3-methyl-1-phenyl-4-propionyloxime-2-pyrazolin-5-one (mppopH), 4-butyryloxime-3-methyl-1-phenyl-2-pyrazolin-5-one (buomppH), 4-iso-butyryloxime-3-methyl-1-phenyl-2-pyrazolin-5-one (ibuomppH) or 4-benzoyloxime-3-methyl-1-phenyl-2-pyrazolin-5-one (bomppH) has been synthesized by interaction [MoO2(acac)2] with said...

10.1016/j.arabjc.2011.01.010 article EN cc-by-nc-nd Arabian Journal of Chemistry 2011-01-19

Mononuclear dioxidomolybdenum(VI) complex with N-(dehydroacetic acid)-salicylic acid hydrazide having the formula [MoVIO2(dha-sah)(CH3OH)] is reported. The was synthesized by reaction of [MoVIO2(acac)2] said ligand in 1:1 metal-ligand ratio methanol. characterized elemental analysis, 1H and 13C NMR, FT-IR, electronic absorption spectroscopic powdered X-ray diffractometry studies. Assignments molecular geometrical parameters, electrostatic potentials, nonlinear optical properties frontier...

10.1080/00958972.2021.1880574 article EN Journal of Coordination Chemistry 2021-02-13

Effective water management is crucial for maintaining health and productivity of fruit crops by addressing challenges posed soil pathogens. The presence pathogens can lead to significant crop losses decreased yield quality. Implementing appropriate strategies the use advanced irrigation technologies enable precise application reduce risk pathogen proliferation. Factors such as foliage wetness duration, moisture, environmental conditions play pivotal roles in various disease cycles, including...

10.1007/s10341-024-01034-7 article EN Deleted Journal 2024-02-22

A new series of mixed-ligand complexes dioxomolybdenum(VI) the general composition [MoO2(L)(8-hq)(H2O)], where 8-hq=8-hydroxyquinoline and LH=4-acylpyrazolones viz., 3-methyl-1-phenyl-4-propionyl-2-pyrazolin-5-one (pmphpH), 4-butyryl-3-methyl-1-phenyl-2-pyrazolin-5-one (bumphpH), 4-iso-butyryl-3-methyl-1-phenyl-2-pyrazolin-5-one (iso-bumphpH) or 4-benzoyl-3-methyl-1-phenyl-2-pyrazolin-5-one (bmphpH) has been synthesized by reaction [MoO2(acac)2] target ligands in ethanol medium. The have...

10.1080/00958972.2018.1530767 article EN Journal of Coordination Chemistry 2018-10-03

The synthesis of five new chelates copper(II) the general formula[Cu(LH)2(Cl)2], where LH = N-(4′-butyrylidine-3′-methyl-1′-phenyl-2′-pyrazolin-5′-one)sulfamethoxazole (bumphp-smzH, I), N-(4′-butyrylidine-3′-methyl-1′-phenyl-2′-pyrazolin-5′-one)sulfadimidine (bumphp-sdmH, II), N-(4′-butyrylidine-3′-methyl-1′-phenyl-2′-pyrazolin-5′-one)sulfanilamide (bumphp-snmH, III), N-(4′-butyrylidine-3′-methyl-1′-phenyl-2′-pyrazolin-5′-one)sulfamoxole (bumphp-smlH, IV) or...

10.1016/j.arabjc.2011.01.015 article EN cc-by-nc-nd Arabian Journal of Chemistry 2011-01-22

This manuscript deals with the combined experimental and theoretical investigations of N-dehydroaceticacid-4-aminoantipyrene (H2dha-ap) (1) [RuH(CO)(PPh3)(dha-ap)]·H2O (2). The treatment N-dehydroacetic acid-4-aminoantipyrene [RuHCl(CO)(PPh3)3] produced in good yield. compound was characterized by elemental analysis, spectroscopic (IR, UV-vis, 1H NMR) methods, powder X-ray diffraction studies, cyclic voltammetry. molecular structure charge analysis were examined through DFT. Molecular...

10.1080/00958972.2022.2098017 article EN Journal of Coordination Chemistry 2022-05-19

A new series of four mixed-ligand complexes oxoperoxomolybdenum(VI) the general composition [MoO(O2)(ma)(L)]·H2O, where maH = 3-hydroxy-2-methyl-4-pyrone and LH o-acetoacetanisidide (o-aansH), o-acetoacetotoluidide (o-aatdH), acetylacetone (acacH) or methylactoacetate (macacH), has been synthesized by interaction [MoO(O2)]2+ (obtained in situ during MoO3 30% H2O2 on continuous stirring at 50 °C for 24 h) said ligands aqueous-ethanol medium. The so obtained have characterized elemental...

10.1016/j.arabjc.2011.02.027 article EN cc-by-nc-nd Arabian Journal of Chemistry 2011-03-07
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