Growth kinetics of interfacial patterns formed by the radial displacement of an aging viscoelastic gel

    Palak, Vaibhav Raj Singh Parmar and Ranjini Bandyopadhyay

    J Coll. Interface Sci. Open 10, 100084 (2023). DOI: https://doi.org/10.1016/j.jciso.2023.100084

 

   Combined effects of nanoparticle size, and nanoparticle and surfactant concentrations on the evaporative kinetics, dried morphologies, and plasmonic property of gold colloidal dispersion 

   droplets

    A. W. Zaibudeen and Ranjini Bandyopadhyay

    Nanotechnology 34, 295601 (2023). DOI:  https://doi.org/10.1088/1361-6528/accd77

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    Correlating microscopic viscoelasticity and structure of an aging colloidal gel using active microrheology and scanning electron microscopy

    Rajkumar Biswas, Vaibhav Raj Singh Parmar, Anson Thambi  and Ranjini Bandyopadhyay

    Soft Matter 19, 2407 (2023). DOI: 10.1039/D2SM01457B

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    Emergence of  transient reverse fingers during radial displacement of a shear-thickening fluid

    Palak*, Vaibhav Raj Singh Parmar*, Sayantan Chanda and Ranjini Bandyopadhyay

    Coll. Surf. A 662 130926 (2023). DOI: 10.1016/j.colsurfa.2023.130926

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     Dichotomous behaviours of stress and dielectric relaxations in dense suspensions of swollen thermoreversible hydrogel microparticles

     Chandeshwar Misra, Pamahesh Gadige and Ranjini Bandyopadhyay

     Jl. Colloid Interface Sci. 630A, 223 (2023) . DOI: 10.1016/j.jcis.2022.10.002

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     Formation and development of distinct deposit patterns by drying Polyelectrolyte-stabilized colloidal droplets at different surfactant concentrations

     A. W. Zaibudeen and Ranjini Bandyopadhyay

     Journal of Molecular Liquids, 120355 (2022). DOI: 10.1016/j.molliq.2022.120355

 

     Correlating the drying kinetics and dried morphologies of aqueous colloidal gold droplets of different particle concentrations,

     A. W. Zaibudeen and Ranjini Bandyopadhyay

     Coll. Surf. A: Physicochemical and Engineering Aspects, 646, 128982 (2022). DOI: 10.1016/j.colsurfa.2022.128982

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     Pattern Selection in radial displacements of a confined aging viscoelastic fluid, 

      Palak, Vaibhav RS Parmar, Debasish Saha and Ranjini Bandyopadhyay

      J. Colloid Interface Sci. Open, 6, 100047 (2022). DOI: 10.1016/j.jciso.2022.100047

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         Soft Matter Research in India

      Ranjini Bandyopadhyay and Juergen Horbach

      J. Phys. Condens. Matter, 34, 090402 (2022). DOI: 10.1088/1361-648X/ac3d53   

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      DC Field Coupled Evaporation of A Sessile Gold Nanofluid Droplet      

      A. W. Zaibudeen and Ranjini Bandyopadhyay

      Soft Matter, 17, 10294 (2021). DOI: 10.1039/D1SM00820J    

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      Emergent patterns and stable interfaces during radial displacement of a viscoelastic fluid 

      Palak, Rahul Sathyanath, Sreeram K. Kalpathy and Ranjini Bandyopadhyay

      Colloids and Surfaces A, 629,  127405 (2021). DOI: https://doi.org/10.1016/j.colsurfa.2021.127405

      https://www.sciencedirect.com/science/article/pii/S0927775721012747?dgcid=author

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      Influence of medium structure on the physicochemical properties of aging colloidal dispersions investigated using the synthetic clay Laponite

      Chandeshwar Misra, Venketesh Thrithamara Ranganathan and Ranjini Bandyopadhyay

      Soft Matter, 17, 9387 (2021). DOI: 10.1039/D1SM00987G

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      Quantifying the destructuring of a thixotropic colloidal gel using falling ball viscometry 

      Rajkumar Biswas, Debasish Saha and Ranjini Bandyopadhyay

      Physics of Fluids, 33, 013103 (2021). DOI: 10.1063/5.0035093

      

      The intriguing flow behavior of soft materials

      Ranjini Bandyopadhyay

      Interwoven: An Interdisciplinary Journal of Navarachna University, 3, 1 (2020)

 

      Influence of particle size on the thermoresponsive and rheological properties of aqueous poly(NN-isopropylacrylamide) colloidal suspensions

      Chandeshwar Misra, Sanjay Kumar Behera and Ranjini Bandyopadhyay

      Bulletin of Materials Science, 43, 182 (2020). DOI: 10.1007/s12034-020-02157-9

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      Electric Field Induced Gelation in Aqueous Nanoclay Suspensions

      Paramesh Gadige and Ranjini Bandyopadhyay

      Soft Matter, 14, 6974 (2018). DOI: 10.1039/c8sm00533h

      Our design based on this paper was selected to be printed as the back page of the journal (25th July, 2018 issue of Soft Matter).

      Gubbilabs covered this work recently. You can check it out at here

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      Effects of polydispersity on the glass transition dynamics of aqueous suspensions of soft spherical colloidal particles

      Sanjay Kumar Behera, Paramesh Gadige, Debasish Saha and Ranjini Bandyopadhyay     

      Physical Review Materials, 1, 055603 (2017). DOI: https://doi.org/10.1103/PhysRevMaterials.1.055603

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      Study of dynamical heterogeneities in colloidal nanoclay suspensions approaching dynamical arrest

      Paramesh Gadige, Debasish Saha, Sanjay Kumar Behera and Ranjini Bandyopadhyay     

      Scientific Reports, 7, 8017 (2017). DOI: 10.1038/s41598-17-08495-9

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      Effects of aging on the yielding behaviour of acid and salt induced Laponite gels     

      Venketesh Thrithamara Ranganathan and Ranjini Bandyopadhyay     

      Colloids and Surfaces A: Physicochemical and Engineering Aspects, 522, 304, (2017)

      DOI: http://dx.doi.org/10.1016/j.colsurfa.2017.03.006

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      Aggregation and stability of anisotropic charged clay colloids in aqueous medium in the presence of salt     

      Samim Ali and Ranjini Bandyopadhyay     

      Faraday Discussions, 186, 455 (2016) DOI: 10.1039/C5FD00124B

 

      Effect of electrolyte on the microstructure and yielding of aqueous dispersions of colloidal clay     

      Samim Ali and Ranjini Bandyopadhyay     

      Soft Matter, 12, 414 (2016) DOI: 10.1039/C5SM01700A.

      A blog on this paper has appeared on Club SciWri. Do click here to have a look.

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      Characteristics of the secondary relaxation process in soft colloidal suspensions

      Debasish Saha, Yogesh Joshi and Ranjini Bandyopadhyay

      Europhys. Lett , 112, 46004 (2015)

      arxiv.org/abs/1508.05758

 

      Kinetics of the glass transition of fragile soft colloidal suspensions

      Debasish Saha, Yogesh Joshi and Ranjini Bandyopadhyay

      Journal of Chemical Physics, 143, 214901 (2015)

      http://arxiv.org/abs/1506.02971

 

      Evaluation of the dispersibility and stability of natural clay in aqueous dispersions

      Samim Ali and Ranjini Bandyopadhyay

      Applied Clay Science, 203, 85 (2015)

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      Dynamic Light scattering study and DLVO analysis of physicochemical interactions in colloidal suspensions of charged disks

      Debasish Saha, Ranjini Bandyopadhyay and Yogesh Joshi

      Langmuir, 31, 3012 (2015)

 

      Formation  and rupture of Ca2+ induced biopolymer pectin gels

      Rajib Basak and Ranjini Bandyopadhyay

      Soft Matter 10 (37), 7225, (2014)

 

      Investigation of the dynamical slowing down process in soft glassy colloidal suspensions: comparisons with supercooled liquids

      Debasish Saha, Yogesh M. Joshi and Ranjini Bandyopadhyay,

      Soft Matter, 10 , 3292 (2014)

 

      Use of ultrasound attenuation spectroscopy to determine the size distribution of clay tactoids in aqueous suspensions

      Samim Ali and Ranjini Bandyopadhyay

      Langmuir, 29 , 12663, (2013)

 

      Novel experimentally observed phenomena in soft matter

      Ranjini Bandyopadhyay

      Pramana –J. Phys., 81, 3, (2013)

 

      The encapsulation of hydrophobic drugs in Pluronic F127 micelles: the effects of drug hydrophobicity, solution temperature and pH

      Rajib Basak and Ranjini Bandyopadhyay

      Langmuir, 29 (13), 4350, (2013)

         

      Scaling behavior in the convection-driven Brazil nut effect

      Prakhyat Hejmady, Ranjini Bandyopadhyay, Sanjib Sabhapandit and Abhishek Dhar

      Phys. Rev. E (Rapid Comm.), 86, 050301, (2012)

 

     Experimental studies of the jamming behaviour of triblock copolymer solutions and triblock copolymer-anionic surfactant mixtures

     Rajib Basak, Nabaneeta Mukhopadhyay and Ranjini Bandyopadhyay

     Eur. Phys. J. E, 34, 103, (2011)

     This paper was invited for the EPJE special issue entitled ‘Topical Issues on the Physics of Glasses', edited by M. Falk,

     T. Egami and S. Sastry

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     Stress relaxation in aging soft colloidal glasses

     Ranjini Bandyopadhyay, P. Harsha Mohan and Yogesh M. Joshi

     Soft Matter, 6, 1462, (2010)

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     Phase behaviour and dynamics of a micelle-forming triblock copolymer system

     Paroor Harsha Mohan and Ranjini Bandyopadhyay

     Phys. Rev. E  77, 041803, (2008)

     This article was selected to appear in the Virtual Journal of Biophysics, April 15 issue

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     Slow dynamics, aging, and glassy rheology in soft and living matter

     Ranjini Bandyopadhyay, Dennis Liang, James L. Harden and Robert L. Leheny

     Solid State Communications 139, 589, (2006)

     This is an invited paper.

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      Microscopic dynamics of recovery in sheared depletion gels

      B. Chung, S. Ramakrishnan, R. Bandyopadhyay, D. Liang, C. F. Zukoski, J. L. Harden, R. L. Leheny

      Phys. Rev. Lett. 96, 228301, (2006)

      This article was selected to appear in the Virtual Journal of Nanoscale Science and Technology, June issue, 2006                

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      Speckle visibility spectroscopy : a tool to study time-varying dynamics

      R. Bandyopadhyay, A. S. Gittings, S. S. Suh, P. K. Dixon and D. J. Durian

      Rev. Scientific Instrum. 76, 093110, (2005)

   

      Enhanced elasticity and soft glassy rheology of a thermotropic liquid crystal suspended in a random environment

      Ranjini Bandyopadhyay, Dennis Liang, James L. Harden, Ralph H. Colby and Robert L. Leheny

      Phys. Rev. Lett. 94, 107801, (2005)

      This article was selected to appear in the Virtual Journal of Nanoscale Science and Technology 11 (12), 2005

        

      Rheological chaos in wormlike micelles and nematic hydrodynamics

      M. Das, Ranjini Bandyopadhyay, Buddhapriya Chakrabarti, Sriram Ramaswamy, Chandan Dasgupta and A. K. Sood

      Chapter in Molecular Gels , edited by P. Terech and R. Weiss, (Kluwer Academic Press), 2004

 

      Effect of silica colloids on the rheology of viscoelastic gels formed by the surfactant CTAT

      Ranjini Bandyopadhyay and A. K. Sood

      J. Colloid Interface Sci. 283, 585, (2004)

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      Evolution of local dynamics in an aging colloidal glass formed by charged nanoscopic disks

      R. Bandyopadhyay, D. Liang, H. Yardimci, M. A. Borthwick, D. A. Sessoms, S. G. J. Mochrie, J. L. Harden and R. L. Leheny

      Phys. Rev. Lett. 93, 228302, (2004)

      This article was selected to appear in the Virtual Journal of Nanoscale Science and Technology 10 (23), 2004

 

      Photon chanelling in aqueous foams

      A. S. Gittings, R. Bandyopadhyay and D. J. Durian

      Europhys. Lett. 65, 414, (2004)

       

     Effect of screening of intermicellar interactions on the linear and nonlinear rheology of a viscoelastic gel

     Ranjini Bandyopadhyay and A. K. Sood

     Langmuir 19, 3121, (2003)

          

     Rheology of semi-dilute solutions of calf-thymus DNA

     Ranjini Bandyopadhyay and A. K. Sood

     Pramana - J. Phys. 68, 685, (2002)

 

     A dynamic light scattering study of the gelation of pectin solutions

     Janaky Narayanan, Vinod Deotare, Ranjini Bandyopadhyay and A. K. Sood

     J. Colloid Interface Sci. 245, 267, (2002)

 

     Chaotic dynamics in shear-thickening CTAT solutions

     Ranjini Bandyopadhyay and A. K. Sood

     Europhys. Lett. 56, 447, (2001)

 

     Optical limiting in single-walled carbon nanotubes

     S. R. Mishra, R. S. Rawat, S. C. Mehendale, K. C. Rustagi, A. K. Sood, Ranjini Bandyopadhyay, A. Govindaraja and C. N. R. Rao

     Chem. Phys. Lett. 317, 510, (2000)

 

     Dynamical behaviour in the nonlinear rheology of surfactant solutions

     Ranjini Bandyopadhyay and A. K. Sood

     Statistical Physics, edited by H. E. Stanley and M. Tokuyama, (American Institute of Physics, Melville N.Y.), 519, 40, 2000

 

     Observation of chaotic dynamics in dilute aqueous sheared solutions of CTAT

     Ranjini Bandyopadhyay, Geetha Basappa and A. K. Sood

     Phys. Rev. Lett. 84, 2022, (2000)

 

     Linear and nonlinear rheology of wormlike micelles

     A. K. Sood, Ranjini Bandyopadhyay and Geetha Basappa

     Pramana - J. Phys. 53, 223, (1999)

 

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