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Prof. Jayanty Subbalakshmi

hyderabad Chemistry

Head & Professor,
Department of Chemistry

Characterisation and study of new Molecular Materials for Optical, Conducting and Biological applications, Design, Synthesis
Department of Chemistry
Chamber No. B112
Birla Institute of Technology and Science-Pilani, Hyderabad Campus
Jawahar Nagar, Kapra Mandal, Medchal-Malkajgiri District
Hyderabad-500078
jslakshmi@hyderabad.bits-pilani.ac.in
jskvs1974@gmail.com
040-66303561
9505919741
http://www.linkedin.com/in/jayanty-subbalakshmi-24a03830

Publications

  1. Bommi Siva Ganesh, Subbalakshmi Jayanty,* Suresh Kola, Venkata Siva Rama Krishna Reddy Kallam, Systematic Development of a Gradient Elution HPLC Method for the Analysis of Voxelotor and Its Structurally Related Substances Applying Analytical Quality by Design Approach, Chromatographia, Springer Nature 2024. DOI : 10.1007/s10337-024-04378-0

  2. Anuradha Mohitkar, Nilanjan Dey, Subbalakshmi Jayanty. Self -Assembled Tetracyanoquinodimethane Derivatived: Differential Fluorescent Responses on Sensing Copper and Mercury ions in aqueous medium. RSC Sustainability, 2024, 10.1039/D4SU00445K. 

  3. Ravi S, Karthikeyan S, Mohitkar A, Jayanty S, Pannipara M, Al-Sehemi AG, Moon D, Anthony SP. Red-emitting ionic fluorophores: anion-dependent tunable fluorescence, chlorinated solvent sensing, white light emission and latent fingerprinting. Journal of Materials Chemistry C, 2024, 12(37), 15004-11. https://doi.org/10.1039/D4TC01909A
  4. Anuradha Mohitkar, Melchi, C, Subbalakshmi Jayanty. Utilization of 7,7-bis(N,N-diethylethylenediamino)-8,8-dicyanoquinodimethane molecular crystal as an organic optical waveguide. Optical Materials, 2024, 153, 115578-115583 (6 pages) https://doi.org/10.1016/j.optmat.2024.115578
  5. Anuradha Mohitkar, Renuka H, Sanket G, Subbalakshmi J. Efficient Standalone Flexible Small Molecule Organic Solar cell Devices: Structure-Performance Relation Among Tetracyanoquinodimethane Derivatives, ACS Omega, 2023, 8, 40836-40847. https://doi.org/10.1021/acsomega.3c05939 
  6. Himabindu, B., Srivarsha B., Vamsikrishna Venuganti, V., Subbalakshmi Jayanty. Rhodamine B Amide Derivatives with Anticancer Activity and Fluorescence Properties for Potential Theranostic Applications, Chemistry Select, 2024,9, e 202302367(1-15), DOI: 10.1002/slct.202302367.
  7. Himabindu, B., Moromi, N., Sabyashachi, M., Subbalakshmi, J. Spirocyclic Rhodamine B Benzoisothiazole Derivative: A Multi-Stimuli Fluorescent Switch Manifesting Ethanol Responsiveness, Photoresponsiveness and Acidochromism, RSC Advances,2023, 13, 5134-5148. https://doi.org/10.1039/D2RA07877E
  8. Gayathri P., Sasikala R., Subramanyan K., Anuradha M., Subbalakshmi J., Mehboobali P., A Abdullah, Dohyun M,m Philip Anthony S.* Thermochromic TADF Boron Complexes: Molecular Thermometer and Alkyl chain Controlled Molecular Fluorescent Liquids, Accepted in New Journal of Chemistry,2023. 47,7288-7298. DOI:10.1039/D2NJ04474A
  9. Gayathri P., Siva Bala Subramaniyan, A.V., Anwarhussaini SD., Subbalakshmi J., Mehboobali Pannipara, A. G. Al-Sehemi, Dohyun M., Philip Anthony S., * Dark to Bright Fluorescence State by Inter-connecting Fluorophores: Concentration Dependent Blue to NIR Emission and Live Cell Imaging Application New Journal of Chemistry, 2022, 46, 16409-16418. https://doi.org/10.1039/D2NJ03457C
  10. Sivaganesh, B.; Subbalakshmi, J.*; Satyanarayana Raju, T.; Suresh, K.; Venkata Siva Ramakrishna Reddy, K. Evolution of Stability-Indicating Method in the Quantification of Related Substances and Degradation Products of Elagolix Sodium: Quality by Design Driven Approach Utilizing Ultra-High Performance Liquid Chromatography,  Chromatographia, 2023, 86, 31-42.DOI : 10.1007/s10337-022-04223-2
  11. Subbalakshmi Jayanty, Tetracyanoquinodimethane based small organic molecules as potential memristor and solar cell devices. Published on 8th August 2023 as Book Chapter 13; in "Miniaturized Electrochemical Devices-Advanced Concepts, Fabrication and Application." https://doi.org/10.1201/b23359.  CRC/Taylor and Francis. 1st Edition e Book ISBN  16 Pages, Publication location Boca Raton. 
  12. Anwarhussaini, SD., Anuradha, M., Subbalakshmi, J.* Unprecedented Transformation from cyclized zwitterionic oxazolidine derivatives to corresponding non-zwitterionic aromatic amides via Vilsmeir reagent in a one pot reaction: Optical property and Crystallography.New Journal of Chemistry, 2022, 46, 8069-8078. DOI:10.1039/D2NJ00591C.
  13. Anwarhussaini, SD, Renuka H, Anuradha,M, Raghavaiah, P Mahadev Sai Karthik, C, Sanket, G., Subbalakshmi, J*,Photophysical, electrochemical properties and flexible organic solar cell application of 7,7-bis(1-cyclopropyl carbonyl piperazino)-8,8 dicyanoquinodimethane, Material Advances, 2022, 3, 3151-3164. DOI: 10.1039/D1MA00778E.
  14. Himabindu, Battula Sunita, M, Sony Priyanka,B,Shristy, K,Sabyashachi, M, Himanshu, A. Venkata Vamsi Krishna, V,  Subbalakshmi, J.* Selective and swift-responsive rhodamine B based probes: recognition of multi-metal ions, on-site sensing of Fe(III) in water samples and bioimaging under aqueous media, Journal of Photochemistry & Photobiology A: Chemistry, 2022, 426, 113748-11360.  https://doi.org/10.1016/j.jphotochem.2021.113748.
  15. Anwarhussaini Syed, Sabyashachi Mishra, Subbalakshmi, J.*7,7-bis(N, N-diethylethylenediamino)-8,8-dicyanoquinodimethane: Effect of Ethyl Moiety on the Photophysical Property besides Thermal stability, Journal of Fluorescence, 2022, 32, 115-124. https://doi.org/10.1007/s10895-021-02830-0.
  16. Anwar Hussaini SD, Himabindu, B., Sabyashachi Mishra*and Subbalakshmi, J.* Distinct Tetracyanoquinodimethane derivatives: Enhanced Fluorescence in solutions and unprecedented cation recognition in the solid state. ACS Omega, 2021, 6, 3090-3105. DOI 10.1021/acsomega.0c05486.
  17. Anwarhussaini, SD, Himabindu, D., Yamini, B., Tarun, P., Balaram, G., Subbalakshmi J*“ Unique mono/di-substituted TCNQ derivatives possessing fluorescence property and Anticancer activity. 2021, Chemistry Select, 6, 7354-7366. https://doi.org/10.1002/slct.202101721. 
  18. Himabindu, B., Sivaganesh, B., Yamini, B., Tarun, P., Balaram ghosh,*Subbalakshmi, J.* “Distinct Rhodamine B derivatives exhibiting dual effect of anticancer activity and Fluorescence property, Journal of Photochemistry & Photobiology, 2021, 6, 100026 -100037. https://doi.org/10.1016/j.jpap.2021.100026.
  19. Himabindu, B., Anwar Hussaini SD, Smriti,R.Nahata, Lipi,D. Patnaik, Santosh,R. Subbalakshmi, J.*Photophysical property and thermal stability of a simple protonated hydrogen bonding complex:3-Amino-5-nitro-[2,1]benzoisothiazole-p-toluenesulfonate. Journal of Molecular Structure. 2021, 1225, 129090-129101. doi:10.1016/j.molstruc.2020.129090.
  20. Anwar Hussaini SD, Himabindu B., Pavan Kumar, B., Souvik, K., Chanchal, C., Subbalakshmi, J.*, Photophysical, electrochemical and flexible organic resistive switching memory device application of a small molecule: 7,7-bis(hydroxyethlypiperazino)dicyanoquinodimethane, Organic Electronics.2020, 76, 105457-105468. https://doi.org/10.1016/j.orgel.2019.105457
  21. Sivaganesh, B., Subbalakshmi, J., Satyanarayana Raju, T.; Sivasankar, B. “Quality by design approach to develop stability indicating method to quantify related substances and degradation products of sacubitril by high performance liquid chromatography”, Journal of Chromatographic Science 2020, 58, 844-858.doi.org/10.1093/chromsci/bmaa054
  22. Jayanty Subbalakshmi, Principal Inventorand Co-Inventors: Anwar Hussaiani SD “Compounds for use as anticancer agents and a process for synthesizing the same” Indian Patent filed Application no. 201941002679 on January 29th 2019. (published on July 24 2020)
  23. Jayanty Subbalakshmi, Principal Inventorand Co-Inventors: Himabindu Battula “Novel rhodamine B amides and processes for preparing the same” Indian Patent filed, Application no. 201911020063 on May 21st 2019. (27 November, 2020).
  24. Jyothi Lakshmi, A.; Shantanu, K.; Jayanty, S.*(Chapter in Book: Synthesis and Characterization of Templated polyanilines: A New Class of Polymeric Materials: Chapter 14, Functionalized Engineering Materials and Their Applications Apple Academic PressCRC, Taylor and Francis Group, Published in September 2018. 
  25. T. Yadagiri, R. Santosh., G. Subhas, J. Subbalakshmi,B. Anupam, One-Pot two step Nazarov-Schmidt Rearrangement, for the synthesis of Fused -Lactam Systems, Chemistry Select, 2017, 2, 9744-9750.
  26. G. Dhruvasamhith, S. M. Hussain., “Polyvinyl Alcohol processed Templated Polyaniline Films: Preparation, Characterization and Assessment of Tensile Strength” International Journal of Chemical, Molecular, Nuclear, Materials and Metallurgical Engineering, J. Subbalakshmi*, 2017, Vol. 11, No. 1, Page 60-64.
  27. Subbalakshmi J.*, Dhruvasamhith G., Hussain, S. M. “Polyvinyl Alcohol processed Templated Polyaniline                 Films: Preparation, Characterization and Assessment of Tensile Strength” Conference Proceedings, 2017, Vol.           19(1)Page 1417-1421.
  28. Raghavaiah, P., Kuladeep, R., Narayana, Rao, D., Jyothilakshmi, A., Srujana, P., Subbalakshmi, J*.Bis- (1-(2-Amino ethyl) piperidino), (2-(2-Amino ethyl)pyridino) and (1-(2-Amino ethyl)pyrrolidino) substituted dicyanoquinodimethanes: Consequences of flexible ethylene spacers with heterocyclic moieties and amine functionalities. Acta Cryst Section B: Structural Science, Crystal Engineering and Materials, 2016, 72(5), 709-715.
  29. T. Nakamura and S. Jayanty*, Poly (4-styrenesulfonate) templated polyaniline-carboxymethyl cellulose blend: morphology and surface resistivity of the spin coated films. Soft Materials, 2016, 14, 309-315.
  30. Hunsur Nagendra Nagesh., Amaroju Suresh., Muthyala Nargarjuna Reddy., Narva Suresh., Jayanty Subbalakshmiand Kondapalli Venkata Gowri Chandrasekhar.  Multicomponent cascade reaction: dual role of copper in the synthesis of 1, 2, 3-triazole tethered benzimidazo [1, 2-a] quinolone and their photophysical studies. RSC Adv. 2016, 6, 15884-15894. (Performed photophysical studies for all the molecules).
  31. Madhuri, P., Nikhil Sainath, V., Jayanty, S.  Adasumalli, R. B. “Pulp and Black Liquor Characterization of Subabul Wood after Craftcooking” IPPTA-The Official International Journal of The Indian Pulp and Paper Technical Association, 2016, Vol. 28, No. 2 page 26-38.
  32. S. Jayanty* Carboxymethylcellulose templated polyaniline: Film Morphology and Conductivity. International Journal of energy, sustainability and environmental engineering, 2015, Vol. 1(4-6), 123- 127.
  33. Arun, B., Jayanty, S.*Supramolecular helical self-assemblies in 1-(2-cyanophenyl piperazine) and 4-piperidinopiperidine bis-substituted tetracyanoquinodimethane fluorophores. Dyes and Pigments. 2014, 101, 303-311.
  34. K.M.Naidu, A. Suresh,J. Subbalakshmi, D. Sriram, P. Yogeeswari, P. Raghavaiah, K.V.G. Chadrasekhar Design, synthesis and antimycobacterial activity of various 3-(4-(substitutedsulfonyl)piprazin-1-yl)benzo[d]isooxazole derivatives, Eur.J. Med. Chem. 2014, 87, 71-78.
  35. S. Jayanty*Synthesis, Conductivity and Morphology study of Polystyrenesulfonate Templated Tetrathiafulvalene Polyionic Polymers. Applied Science and Advanced Materials International, 2014,1(2),56-59.
  36. Arun, B.; Jayanty, S.* Raghavaiah, P. Synthesis and studies of a novel (2-Amino, 6-nitrobenzothiazole) co-crystal. Journal of Crystal Growth, 2013, 380, 241. 
  37. Jayanty, S.,Akutagawa, T., Nakamura, T. Cryst.Eng.Comm, 2012, 12, 4087-4090.Hydrogen bonding Maleate anions as counter anion of tetrathiafulvalene crystals.
  38. Jayanty,S.Akutagawa, T., Nakamura. T. Highly Polar 7,7-bis(N,N-dimethylpiperazinium)-8,8-dicyanoquinodimethane in [Ni(dmit)2] Cryst.Eng.Comm, 2010, 12, 4087-4090.
  39. Jayanty, S. Radhakrishnan, T. P. Chem. Eur. J.Enhanced Fluorescence of Remote Functionalized Diaminodicyanoquino­dimethanes in the Solid State and Fluorescence Switching in a Doped Polymer by solvent vaopurs. Chem. Eur. J .2004, 10, 791-797.
  40. Jayanty,S.,Radhakrishnan, T. P. Spontaneous Resolution through Helical Assembly of a Conformationally Chiral Molecule with an Unusual Zwitterionic Structure. Chem. Eur. J. 2004, 10, 2661-2667.
  41. Jayanty, S. Prasad, G. K., Sreedhar, B. Radhakrishnan, T. P. Polyelectrolyte Templated Polyaniline-film morphology and conductivity. Polymer, 2003, 44, 7265-7270.
  42. Jayanty, S. Gangopadhyay, P.,Radhakrishnan, T. P.  Steering Molecular Dipoles from Centrosymmetric to Noncentrosymmetric and SHG Active Assembly Using Remote Functionality and Complexation. J. Mater. Chem.2002, 12, 2792-2797.
  43. Jayanty, S.Radhakrishnan, T. P. Modeling Molecule-in-a-Crystal: The Case of Push-pull Quinonoids. Chem. Mater. 2001, 13, 2460-2462.
  44. Jayanty, S.Radhakrishnan, T. P. Solid State Charge Transfer Promoted by an Anchoring Agent: A 2-component Analog of Kofler’s Ternary Complex. Chem. Mater. 2001, 13, 2072-2077.
  45. Jayanty, S.,Kumar, D. B. K.,Radhakrishnan, T. P. Structure and Magnetism of a Phenazinium Cyclopentadienide. Synth. Metals, 2000, 114, 37-48.
  46. Jayanty, S.Radhakrishnan, T. P. Core and Sheath’ Structure of a TTF Complex Forming a Square Grid. 1999, 9, 1707-1711.

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