Harsh Kumar
Dr. B. R. Ambedkar National Institute of Technology Jalandhar
MicelleAnalytical chemistryIonic liquidNanoparticleIsentropic processOrganic chemistryAqueous solutionChemistryMaterials scienceSpeed of soundMolarBromideMolar volumeMole fractionChemical engineeringBinary numberPulmonary surfactantCritical micelle concentrationPartial molar propertyThermodynamics
5Publications
2H-index
2Citations
Publications 40
Newest
#1Harsh Kumar (NITJ: Dr. B. R. Ambedkar National Institute of Technology Jalandhar)H-Index: 2
#2Kirtanjot KaurH-Index: 10
The volumetric and acoustic methods are used for investigating the interactions of l-serine with drugs ampicillin (AMP) and amoxicillin (AMX) as a function of temperature. Densities and speeds of sound of l-serine in (0.0009, 0.0018, 0.0028, and 0.0038) mol·kg–1 solutions of ampicillin and amoxicillin have been measured at T = (305.15, 310.15, and 315.15) K and atmospheric pressure. The density and speed of sound data have been used to determine apparent molar volume (Vϕ) and apparent molar adia...
38 CitationsSource
#1Poonam KhullarH-Index: 13
#2Vijender SinghH-Index: 7
Last. Mandeep Singh BakshiH-Index: 12
view all 6 authors...
Self-assembled gold (Au) nanoparticles (NPs) were synthesized in micelle surface cavities of a L121 block polymer in the presence of zwitterionic (viz. DPS, TPS, and HPS) and sugar surfactants (OG and DDM) in aqueous phase at 70 °C by using the surface cavities of L121 as reducing sites for converting Au(III) into Au(0). All reactions were monitored simultaneously by UV–visible spectroscopy to determine the growth kinetics in gold nucleating centers on the basis of surface plasmon resonance that...
#1Harsh Kumar (NITJ: Dr. B. R. Ambedkar National Institute of Technology Jalandhar)H-Index: 2
#2Kirtanjot Kaur (NITJ: Dr. B. R. Ambedkar National Institute of Technology Jalandhar)H-Index: 10
Abstract The interactions of some simple amino acids (AA) like alanine, valine and leucine with drug ampicillin (AMP) as a function of temperature have been investigated by combination of volumetric and acoustic methods. Densities and speeds of sound of alanine, valine and leucine in aqueous solutions of ampicillin have been measured at T = (305.15, 310.15 and 315.15) K and atmospheric pressure. The apparent molar volume (Vϕ), the partial molar volume (Vϕ0), limiting apparent molar expansibility...
55 CitationsSource
#1Amalendu Pal (Kurukshetra University)H-Index: 25
#2Harsh Kumar (Kurukshetra University)H-Index: 23
Abstract The excess molar volumes V m E for binary liquid mixtures containing dipropylene glycol monomethyl ether or dipropylene glycol monobutyl ether and methanol, 1-propanol, 1-pentanol and 1-heptanol have been measured as a function of composition using a continuous dilution dilatometer at T =(288.15, 298.15, and 308.15) K and atmospheric pressure over the whole concentration range. The excess volume results allowed the following mixing quantities to be reported in all range of concentration...
19 CitationsSource
#1Amalendu Pal (Kurukshetra University)H-Index: 25
#2Sanjay Sharma (National Institute of Technology, Kurukshetra)H-Index: 4
Last. Harsh Kumar (Kurukshetra University)H-Index: 23
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Abstract The excess molar volumes (VmE) for binary liquid mixtures of (2-alkoxyethanol +N,N-dimethylformamide or N,N-dimethylacetamide) have been measured with a continuous dilution dilatometer at 298.15 K and atmospheric pressure over the entire composition range. The 2-alkoxyethanols were 2-methoxyethanol (CH3OCH2CH2OH), 2-ethoxyethanol (C2H5OCH2CH2OH), and 2-butoxyethanol (C4H9OCH2CH2OH). The excess molar volumes are negative and symmetric over the entire range of composition for all mixtures...
14 CitationsSource
#1Amalendu Pal (Kurukshetra University)H-Index: 25
#2Harsh Kumar (Kurukshetra University)H-Index: 2
Abstract Excess molar volumes, VmE and viscosities, η have been measured as a function of mole fraction at atmospheric pressure and 298.15 K for binary mixtures of n-alkoxyethanol + pyrrolidin-2-one. The alkoxyethanols were 2-methoxyethanol (CH3OCH2CH2OH), 2-(2- methoxyethoxy)ethanol [CH3(OCH2CH2)2OH], 2-{2-(2-methyoxyethoxy)ethoxy}ethanol [CH3(OCH2CH2)3OH], 2-(2-ethoxyethoxy)ethanol [C2H5(OCH2CH2)2OH], and 2-(2-butoxyethoxy)ethanol [C4H9(OCH2CH2)2OH]. In all mixtures the excess molar volumes ar...
15 CitationsSource
#1Amalendu Pal (Kurukshetra University)H-Index: 25
#2Harsh Kumar (Kurukshetra University)H-Index: 2
Abstract Excess molar volumes, V m E and viscosities ( η ) for the binary liquid mixtures of ((polyether+methyl) acetate (C 3 H 6 O 2 ), ethyl acetate (C 4 H 8 O 2 ), and propyl acetate (C 5 H 10 O 2 )) have been measured as a function of composition at the temperatures of 298.15, 308.15, and 318.15 K and atmospheric pressure over the full range of composition. The polyethers were 2,5,8-trioxanonane, and 2,5,8,11-tetraoxadodecane. From these results deviations of the viscosity, Δ η from a mole f...
21 CitationsSource
#1Amalendu Pal (Kurukshetra University)H-Index: 25
#2Harsh Kumar (Kurukshetra University)H-Index: 2
The excess molar volumes VE for binary liquid mixtures containing dipropylene glycol monomethyl ether and methanol, ethanol, 1-propanol, 1-butanol, 1-pentanol, 1-hexanol, and 1-heptanol have been measured using a continuous dilution dilatometer over the whole mole fraction range at 25°C at atmospheric pressure. VE are negative over the whole composition range except for the systems containing 1-pentanol, 1-hexanol, or 1-heptanol which are positve at every composition. VE increases in a positive ...
24 CitationsSource
#1Amalendu Pal (Kurukshetra University)H-Index: 25
#2Harsh Kumar (Kurukshetra University)H-Index: 23
Abstract Excess molar volumes, and viscosities at (298.15, 308.15, and 318.15) K and atmospheric pressure for the binary mixtures of tetraethylene glycol dimethyl ether with methyl acetate, ethyl acetate, and propyl acetate have been measured over the whole mole fraction range. From these data, deviations in viscosity, and excess free energies of activation of viscous flow have been calculated. These parameters are used to discuss the molecular interactions between the components of the mixtures...
7 CitationsSource
#1Amalendu Pal (Kurukshetra University)H-Index: 25
#2Harsh Kumar (Kurukshetra University)H-Index: 2
Last. Gurcharan Dass (Kurukshetra University)H-Index: 9
view all 4 authors...
Abstract Excess molar volumes V m E and viscosities η have been measured as a function of composition at atmospheric pressure and 298.15 K for nine {an alkoxyethanol+dimethyl carbonate (C 3 H 6 O 3 ), diethyl carbonate (C 5 H 10 O 3 ), or propylene carbonate (C 4 H 6 O 3 )} mixtures. The alkoxyethanols were 2-methoxyethanol (CH 3 OCH 2 CH 2 OH), 2-(2-methoxyethoxy)ethanol {CH 3 (OCH 2 CH 2 ) 2 OH}, and 2-{2-(2-methoxyethoxy)ethoxy}ethanol {CH 3 (OCH 2 CH 2 ) 3 OH}. The V m E for each of the carb...
23 CitationsSource