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Shweta Sachar

Guru Nanak Dev University

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Publication

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Journal of Dispersion Science and Technology | 2009

Effect of Triblock Polymer (Pluronic F68) on the Mixed Systems of Oppositely Charged Hydrocarbon Surfactants

Rakesh Kumar Mahajan; Arifa Shaheen; Shweta Sachar

Interactions between oppositely charged surfactants in aqueous solution of Pluronic F68, (EO)77(PO)29(EO)77 have been studied using turbidity measurements at 25°C. A concentration where complete neutralization (denoted by “T”) takes place has been evaluated in mixtures consisting of cationic (i.e., dodecyltrimethylammonium bromide, DTAB); tetradecyltrimethylammonium bromide, TTAB; hexadecyltrimethylammonium bromide, HTAB and anionic surfactants (sodium dodecyl sulfate, SDS, and sodium dodecylbenzene sulfonate, SDBS) in water and in the presence of Pluronic F68. The value of T falls as the amount of F68 increases demonstrating an onset of neutralization between oppositely charged surfactants at total low concentration.

Crystal Growth & Design | 2008

Dependence of Crystal Growth of Gold Nanoparticles on the Capping Behavior of Surfactant at Ambient Conditions

Mandeep Singh Bakshi; Shweta Sachar; Gurpreet Kaur; Poonam Bhandari; Gurinder Kaur; Mark C. Biesinger; Fred Possmayer; Nils O. Petersen

Journal of Physical Chemistry C | 2007

Aqueous Phase Surfactant Selective Shape Controlled Synthesis of Lead Sulfide Nanocrystals

Mandeep Singh Bakshi; Pankaj Thakur; Shweta Sachar; Gurpreet Kaur; Tarlok S. Banipal; Fred Possmayer; Nils O. Petersen

Journal of Colloid and Interface Science | 2005

Mixed micelle behavior of Pluronic L64 and Triton X-100 with conventional and dimeric cationic surfactants.

Mandeep Singh Bakshi; Shweta Sachar; Kulbir Singh; Arifa Shaheen

Colloid and Polymer Science | 2002

Mixed-micelle formation by strongly interacting surfactant binary mixtures: effect of head-group modification

Mandeep Singh Bakshi; Shweta Sachar; Nipun Mahajan; Ishpinder Kaur; Gurinder Kaur; Narpinder Singh; Pankaj Sehgal; Hidekazu Doe

Journal of Colloid and Interface Science | 2004

Association behavior of poly(ethylene oxide)–poly(propylene oxide)–poly(ethylene oxide) block copolymers with cationic surfactants in aqueous solution

Mandeep Singh Bakshi; Shweta Sachar; Tomokazu Yoshimura; Kunio Esumi

Journal of Colloid and Interface Science | 2006

Influence of temperature on the mixed micelles of Pluronic F127 and P103 with dimethylene-bis-(dodecyldimethylammonium bromide)

Mandeep Singh Bakshi; Shweta Sachar

Colloid and Polymer Science | 2004

Surfactant polymer interactions between strongly interacting cationic surfactants and anionic polyelectrolytes from conductivity and turbidity measurements

Mandeep Singh Bakshi; Shweta Sachar

Journal of Colloid and Interface Science | 2004

Mixed micelles of benzyldimethyltetradecylammonium chloride with tetradecyltrimethylammonium and tetradecyltriphenylphosphonium bromides: a head group contribution

Mandeep Singh Bakshi; Ishpinder Kaur; Rohit Sood; Jasmeet Singh; Kulbir Singh; Shweta Sachar; Kanwar Jit Singh; Gurinder Kaur

Colloids and Surfaces A: Physicochemical and Engineering Aspects | 2006

Influence of hydrophobicity on the mixed micelles of Pluronic F127 and P103 plus cationic surfactant mixtures

Mandeep Singh Bakshi; Shweta Sachar

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Mandeep Singh Bakshi

Guru Nanak Dev University

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Gurinder Kaur

Guru Nanak Dev University

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Gurpreet Kaur

Guru Nanak Dev University

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Tarlok S. Banipal

Guru Nanak Dev University

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Arifa Shaheen

Guru Nanak Dev University

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Ishpinder Kaur

Guru Nanak Dev University

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Kulbir Singh

Guru Nanak Dev University

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Pankaj Thakur

Guru Nanak Dev University

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Poonam Bhandari

Guru Nanak Dev University

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Rakesh Kumar Mahajan

Guru Nanak Dev University

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