Department of Chemistry: Recent submissions

Now showing items 21-40 of 122

Comparative Studies of Fatty Acid Methyl, Ethyl and i-Propyl Esters of Tamarindus indica Seed Oil as Biodiesel Base-Stock

Rajak, Amit Kumar; Karuna M.S.L.; Deverapaga, Madhu; Vidavalur, Siddaiah; Padmaja, Korlipara V. (Asian Publication Corporation, 2023-09-28)

The unsaturated fatty acids found in tamarind seed oil include oleic acid (16.0%), linoleic acid (56.0%), palmitic acid (8.0%) and stearic acid (4.0%). The free fatty acids (0.6%) present in the tamarind seed oil was ...
Nanotechnology: A Potential Weapon to Fight against COVID-19

Tiwari, Atul K; Mishra, Anupa; Pandey, Govind; Gupta, Munesh K.; Pandey, Prem C. (John Wiley and Sons Inc, 2022-01)

The COVID-19 infections have posed an unprecedented global health emergency, with nearly three million deaths to date, and have caused substantial economic loss globally. Hence, an urgent exploration of effective and safe ...
Effect of cysteine thiols on the catalytic and anticancer activity of Ru(ii) sulfonyl-ethylenediamine complexes

Chen, Feng; Romero-Canelón, Isolda; Habtemariam, Abraha; Song, Ji-Inn; Banerjee, Samya; Clarkson, Guy J.; Song, Lijiang; Prokes, Ivan; Sadler, Peter J. (Royal Society of Chemistry, 2022-02-28)

We have synthesized a series of novel substituted sulfonyl ethylenediamine (en) RuII arene complexes 1-8 of [(η6-arene)Ru(R1-SO2-EnBz)X], where the arene is benzene, HO(CH2)2O-phenyl or biphenyl (biph), X = Cl or I, and ...
Synthesis and computational aspects of Al(ii)-Al(ii) and Ga(ii)-Ga(ii) dihalides based on an amidinate scaffold

Kumar, Arun; Banerjee, Samya; Banerjee, Samya; Nazish, Mohd; Graw, Nico; Herbst-Irmer, Regine; Stalke, Dietmar; Lourderaj, Upakarasamy; Roesky, Herbert W. (Royal Society of Chemistry, 2022-02-28)

Amidinate compounds with stabilized aluminium(ii) and gallium(ii) elements of composition L2M2X2 (3 and 4) have been prepared from their LMX2 (1 and 2) precursor, where M = Al (1 and 4) and Ga (2 and 3); L = PhC(NiPr2C6H3)2 ...
Forecast of Phase Diagram for the Synthesis of a Complex for the Detection of Cr6+Ions

Chaudhary, Sumit; Rai, Ramanand; Sahoo, Kedar; Kumar, Manoj (American Chemical Society, 2022-04)

A new organic complex (ANNBA) was synthesized using the solvent-free, solid-state reaction involving anthranilamide (AN)-m-nitrobenzoic acid (NBA). The established phase diagram specifies the formation of a complex in a ...
Conformational and structural stability of n and 2-propylthiols: a revisit

Tripathi, Manish Kumar; Ramanathan, Venkatnarayan (Royal Society of Chemistry, 2022-04-01)

The conformational and structural stability of n-propanethiol (nP) is revisited owing to the prevailing ambiguity in the literature reported hitherto, and the rationale for 2-propanethiol's (2P) most stable conformers is ...
Reinforcement of nanoporous lanthanum-doped zinc borate by vanadium selenide nanosheets for improved tribological activity

Singh, Alok K.; Shukla, Nivedita; Kavita, None; Verma, Dinesh K.; Kumar, Bharat; Mandal, K.D.; Rastogi, Rashmi B (Royal Society of Chemistry, 2022-07)

Nanoporous zinc borate (ZB) and 10% lanthanum-doped porous zinc borate (LZB) were synthesized to explore the role of porosity and doping in zinc borate during lubrication. HR-SEM, TEM, and HR-TEM authenticated nanoporous ...
Partially Dehydrated Castor Oil-Based Isoalkyl and Polyol Esters as Potential Base Stocks for Industrial Applications

Azmeera, Thirupathi; Punyamurthy, Rajini; Karuna M.S.L.; Vidavalur, Siddaiah; Madhu, Devarapaga (Asian Publication Corporation, 2022-07)

Partially dehydrated castor oil (PDCO) which is of less use in the paint and furniture coating formulations has been modified to develop biolubricant base stocks. PDCO (44.1%, non-conjugated linoleic acid; 32%, conjugated ...
Size and Zeta Potential Clicked Germination Attenuation and Anti-Sporangiospores Activity of PEI-Functionalized Silver Nanoparticles against COVID-19 Associated Mucorales (Rhizopus arrhizus)

Tiwari, Atul Kumar; Gupta, Munesh Kumar; Pandey, Govind; Tilak, Ragini; Narayan, Roger J.; Pandey, Prem C. (MDPI, 2022-07-01)

The SARS-CoV-2 infections in Indian people have been associated with a mucormycotic fungal infection caused by the filamentous fungi Rhizopus arrhizus. The sporangiospores of R. arrhizus are omnipresent in the environment ...
Single amino acid bionanozyme for environmental remediation

Makam, Pandeeswar; Yamijala, Sharma S. R. K. C.; Bhadram, Venkata S.; Shimon, Linda J. W.; Wong, Bryan M.; Gazit, Ehud (Nature Research, 2022-12)

Enzymes are extremely complex catalytic structures with immense biological and technological importance. Nevertheless, their widespread environmental implementation faces several challenges, including high production costs, ...
Cd-doped Ag2O/BiVO4 visible light Z-scheme photocatalyst for efficient ciprofloxacin degradation

De, Arup Kumar; Kumar, Uttam; Jatav, Neha; Sinha, Indrajit (Royal Society of Chemistry, 2022-12)

Foreign element doping can produce new photocatalysts with different band edge positions and adsorption properties. A composite of such a doped semiconductor with another component should enhance its photocatalytic properties ...
Cd-doped Ag2O/BiVO4 visible light Z-scheme photocatalyst for efficient ciprofloxacin degradation

De, Arup Kumar; Kumar, Uttam; Jatav, Neha; Sinha, Indrajit (Royal Society of Chemistry, 2022-12)

Foreign element doping can produce new photocatalysts with different band edge positions and adsorption properties. A composite of such a doped semiconductor with another component should enhance its photocatalytic properties ...
Experimental Investigation of Engine Performance for 2nd Generation Biodiesel Derived from Mg2 Zr5 O12 Catalyst

Sharma, Yogesh C. (MDPI, 2022-06-01)

In the present study, experimental analyses were conducted by using biodiesel derived from second-generation feedstock. In terms of cost and accessibility, second-generation feedstock has gained more attention due to its ...
Double gas treatment

Maiti, S; Sclar, H; Rosy; Grinblat, J; Talianker, M; Tkachev, M; Tsubery, M; Wu, X; Noked, M; Markovsky, B; Aurbach, D (Elsevier B.V., 2021-11-21)

Herein, a systematic surface modification approach via double gas (SO2 and NH3) treatment at elevated temperatures is described, aimed to achieve a stable electrochemical performance of Li and Mn-rich NCM cathode materials ...
Alkaline oxygen evolution

Singh, A K; Ji, S; Singh, B; Das, C; Choi, H; Menezes, P W; Indra, A (Elsevier Ltd, 2021-12-07)

Herein, we report a Mott-Schottky catalyst by entrapping cobalt nanoparticles inside the N-doped graphene shell (Co@NC). The Co@NC delivered excellent oxygen evolution activity with an overpotential of merely 248 mV at a ...
First-Order Phase Transition in a Modified Ziff-Gulari-Barshad Model with Self-oscillating Reactant Coverages

Sinha, I.; Mukherjee, A.K. (2012-02)

Using kinetic Monte Carlo simulations, we study the effect of oscillatory kinetics due to surface reconstructions on Ziff-Gulari-Barshad (ZGB) model discontinuous phase transition. To investigate the transition, we do ...
Comparison of homogeneous and heterogeneous catalysis for synthesis of biodiesel from Madhuca indica oil] [Uporedno proučavanje sinteze biodizela iz Madhuca indica homogenom I heterogenom katalizom

Singh, B.; Bux, F.; Sharma, Y.C. (2011)

Biodiesel was developed by transesterification of Madhuca indica oil by homogeneous and heterogeneous catalysis. KOH and CaO were taken as homogeneous and heterogeneous catalysts, respectively. It was found that the ...
Electrochemical behavior of mild steel in dimethyl sulfoxide containing hydrochloric acid

Rastogi, R.B.; Singh, M.M.; Singh, K.; Maurya, J.L. (2010)

The corrosion behavior of mild steel in dimethyl sulfoxide containing various concentrations, i.e., 0.001, 0.005, 0.010, 0.015 and 0.020 M of hydrochloric acid has been studied in presence of 0.1 M tetra ethyl ammonium ...
Aqueous extract of kalmegh (andrographis paniculata) leaves as green inhibitor for mild steel in hydrochloric acid solution

Singh, A.; Singh, V.K.; Quraishi, M.A. (2010)

The inhibition of the corrosion of mild steel in hydrochloric acid solution by the extract of Kalmegh (Andrographis paniculata) leaves extract has been studied using weight loss, electrochemical impedance spectroscopy, ...
Corrosion inhibition of carbon steel in HCl solution by some plant extracts

Singh, A.; Ebenso, E.E.; Quraishi, M.A. (2012)

The strict environmental legislations and increasing ecological awareness among scientists have led to the development of "green" alternatives to mitigate corrosion. In the present work, literature on green corrosion ...

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