Volume 20

01

Research Article

Study on the synthesis and characterization of Cobalt (II) complexes with Schiff bases 1-(O-hydroxybenzylidine) amino-2-(O-hydroxybenzylidine) aminomethyl-5-mercapto-1,3,4-triazole

Raj Kamal Sahu , Mahesh Kumar

Cobalt(II) chloride has been reacted with Schiff bases 1-(o-hydroxybenzylidine)amino-2-(o-hydroxybenzylidine) aminomethyl-5-mercapto-1,3,4-triazole to obtain the complexes of 1:1 stoichiometry. The infrared spectral studies suggest that the -OH group and C=N a...

Keywords Infrared, magnetic, electronic spectra, tetrahedral configuration

pp. 1-4

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02

Research Article

Grafting of poly alrutitic acid on the surface of MWCNT

Shailesh Kumar Mishra

The functionalized MWCNTs were reacted with aleuritic acid, oligomers of aleuritic acid through insitu polymerization. The attachment of PAL homopolymer chains to the MWCNTs were confirmed by FT-IR, TGA, scanning electron microscopy (SEM), transmission electro...

Keywords Grafting, aleuritic acid, MWCNT

pp. 5-10

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03

Research Article

Bioconversion of molasses pollutant to ethanol by Saccharomyces cerevisiae NCIM -1154 exposed to cetyl (hexadecyl) trimethyl ammonium bromide (CTAB)

Rafat Perween

The efficacy of micelle, i.e., cetyl (hexadecyl) trimethyl ammonium bromide (CTAB), on bioconversion of molasses pollutant to ethanol by Saccharomyces cerevisiae NCIM -1154 has been assessed. It has been found that the cetyl (hexadecyl) trimethyl ammonium brom...

Keywords Molasses, ethanol fermentation, micelles, cetyl (hexadecyl) trimethyl ammonium bromide (CTAB), Saccharomyces cerevisiae NCIM -1154

pp. 11-14

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04

Research Article

Potability of well water of Khagaria

Ranjeet Kumar , Reena Sinha

Water samples of open well of Khagaria town have been collected and analyzed for different water pollution parameters like pH, dissolved oxygen, turbidity, electrical conductivity, total hardness (TH), total dissolved solid (TDS), biochemical oxygen demand (BO...

Keywords D.O., B.O.D., TH, T.D.S.

pp. 15-18

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05

Research Article

Physico chemical and biocidal studies of metal complexes of Bidentate schiff base derived from 2-hydroxy-1-Naphthaldehyde and p-anisidine

Raj Kamal Sahu , Basanti Singh

Synthesis of Schiff base derived rom 2-hydroxy-1-naphthaldehyde and p-anisidine, and its (1:2) Cu2+, Ni2+, Zn2+, and Mn2+ derivatives, have been described. The analytical, IR and magnetic studies have been carried out to suggest tentative structure for the com...

Keywords Schiff base, 2-hydroxy-1-naphthaldehyde, p-anisidine

pp. 19-22

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06

Research Article

A new anthraquinone glucoside from the stem bark of Cassia grandis Linn.

Sanjay Kumar , Gopal Prasad

Keeping in view a great deal of work on various parts of the Cassia genus, the work has been undertaken on stem bark of Cassia grandis linn. In course of distillation of the parts of Cassia genus with ethyl acetate certain compounds we found among which 1,5,8...

Keywords Cassia grandis Linn., stem bark, aglycone, Anthraquinone, glycoside

pp. 23-28

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07

Research Article

Quality Assessment of open well water of Makhdumpur Block Town

Ranjeet Kumar , Reena Sinha

Water samples from ten Open wells of Makhdumpur block town were collected and analysed for different Physiochemical parameters like pH, Conductivity, hardness, alkalinity, dissolved Oxygen (D.O.), Chemical Oxygen Demand (C.O.D.), Biochemical Oxygen Demand (B.O...

Keywords Water quality index (WQI), Physio-chemical Parameters, Bureau of Indian Standard

pp. 29-32

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08

Research Article

Synthesis of Ni(II) with Shiff's base chelating ligand 4' (p-hydroxy benzal diamino)-3,5 dimercapto -1,2,4 triazole

Mushfaqa Khatoon

The present paper deals with the preparation of ligand 4' (p - hydroxy benzal diamino) 3,5 dimercapto - 1,2,4 triazole and its complexes with Ni (II). All together five complexes compound of N1 is formed with main ligand taken and with secondary ligand H2O, py...

Keywords IR spectral behavior, bidentate, secondary ligands

pp. 33-36

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09

Research Article

Production of citric acid by Aspergillus niger NCIM-2101 exposed to 7-diethylamino-3-[N-(2-maleimidoethyl) carbamoyl] coumarin

Umesh Prasad Chaurasia

The efficacy of 7-diethylamino-3-[N-(2-maleimidoethyl)carbamoyl] coumarin on bioproduction of citric acid by some fungal strains such as Aspergillus carbonarius NCIM -2097, Aspergillus saitoi NCIM -2056, Aspergillus usumii NCIM -2045, Aspergillus wentii NCIM-2...

Keywords Molasses, citric acid fermentation, 7-diethylamino-3-[N-(2-maleimidoethyl)carbamoyl] coumarin, Aspergillus niger NCIM-2101

pp. 37-40

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10

Research Article

Synthesis of Fe(II) with Schiff's base chelating ligand 4' (p-hydroxy benzal diamino)-3,5 dimercapto -1,2,4 triazole

Mushfaqa Khatoon

The present paper deals with the preparation of shiff's base chelating ligand 4' (p-hyroxy benzal diamino) -3,5 dimercapto -1,2,4 triazole and its complexes with Fe (II). All together five complexes compound is formed of Fe (II) with schiff's base ligand of tw...

Keywords Elemental analysis, IR spectral studies, chelating ligand

pp. 41-44

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11

Research Article

Synthesis and characterization of molybdenum complexes in low valent state

Ashok Kumar Yadav^* , Santosh Kumar Sethi

Several complexes of molybdenum in low valent state have been synthesized and characterized on the basis of physico-chemical analysis and spectroscopic methods. Molybdenum can exist in different oxidation states such as 2, 0, +1, +2, +3, +4, +5 and +6. In this...

Keywords molybdenum complexes, nitrosylation

pp. 45-48

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12

Research Article

Ethanol formation by the yeast Saccharomyces cerevisiae NCIM-1989 exposed to N-acetoxy-2-acetamidophenanthrene

Rekha Kumari Bharti^* , Leelawati Kumari

The efficacy of N-acetoxy-2-acetamidophenanthrene on production of ethanol by Saccharomyces cerevisiae NCIM-1989 has been assessed. It has been found that the mutagen under trial, i,e; N-acetoxy-2-acetamidophenanthrene at 4.0×10-5 M molar concentration enhance...

Keywords Alcoholic fermentation, molasses, Saccharomyces cerevisiae NCIM-1989, mutagen, N-acetoxy-2-acetamidophenanthrene

pp. 49-52

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13

Research Article

Structural Elucidation of the Complexes of Fe(III) with Ligand N-(5-Hydroxynaphthyl)-2-Mercaptopropanamide (HMP-H) and N-(5-Chloronaphthyl)-2-Mercaptopropanamide (CMP-H)

Parashuram Ram

Fe(III) have been combined to the N-(5-hydroxynaphthyl)-2-mercaptopropanamide and N-(5-chloronaphthyl)-2-mercaptopropanamide having general chemical formula of complexes [ML3].nH2O where n=0,1,2,3… and L is the given ligand. These compounds have been character...

Keywords N-(5-chloronaphthyl)-2-mercaptopropanamide, N-(5-chloronaphthyl)-2-mercapto-propanamide, Trivalent Iron complexes, bacterial activity

pp. 53-56

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14

Research Article

Synthesis and spectral characterization of Co (II) and Ni (II) complexes of salicylidimine-(2-hydrazono)-benzimidazole

S. Kumari , R.K. Jha

Metal complexes of Co (II) and Ni (II) with a novel Schiff base [{2-(2-(1H-benzimidazol-2-yl) hydrazinylidene) methyl} phenol] were synthesized successfully. The resulting complexes were characterized by elemental analysis, magnetic moment measurements, conduc...

Keywords Schiff base, salicylaldehyde, benzimidazole, hydrazine, transition metal complex

pp. 57-62

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15

Research Article

Bioproduction of citric acid by Aspergillus oryzae NCIM-944 exposed to 4-hydroxy-7-methoxy-3-phenyl coumarin

Sudhanshu Rajak , Binod Kumar

The efficacy of 4-hydroxy-7-methoxy-3-phenyl coumarin on bioproduction of citric acid by fungal strains such as Aspergillus fischeri NCIM – 508, Aspergillus foetidus NCIM–510, Aspergillus giganticus NCIM – 568, Aspergillus luchuensis NCIM – 991 and Aspergillus...

Keywords Citric acid fermentation, 4-hydroxy-7-methoxy-3-phenyl coumarin, Aspergillus oryzae NCIM - 944

pp. 63-66

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