Anilinium-to-Azonium Excited State Intramolecular Proton Transfer in a Cationic Scaffold Exhibiting Multitunable Emission

Dibyajyoti Pathak,† Nyaya Prakash Pradhan,† Naresh Aggarwal, Maynak Pal, Riya Gupta, K. V. Adarsh,* Aasheesh Srivastava*

J. Phys. Chem. A, 2025, 129, 8120-8128 (Link)

Enzymatic Crosslinking of Polyelectrolyte Complexes Produces Strong, Reconstitutable Biomedical Adhesives

Tanmay Dutta, Bhanwar Lal, Drishya Vats, Roop Singh Lodhi, Paramita Das, Debasis Nayak, Aasheesh Srivastava*

ChemRxiv. Cambridge: Cambridge Open Engage, 2025; Preprint  (Link)

A Helically-twisted Stereodynamic Probe for Chiroptical Sensing of Chiral Amines through Point-to-helical Chirality Transmission

Akash Kumar Sharma, Arunima Cheran, Jatish Kumar,* and Aasheesh Srivastava*

Chem Asian J., 2025, 20, e202401376  (Link)

Modulating Helix-preference of an Axially-twisted Molecular Scaffold Through Diastereomeric Salt Formation with Tartaric Acid Stereoisomers

Akash Kumar Sharma, Shubham Som, Deepak Chopra,* and Aasheesh Srivastava*

Chem. Eur. J., 2024, e202401956 (Link)

Self-assembly of water-filled molecular saddles to generate diverse morphologies and high proton conductivity

Nyaya Prakash Pradhan, Sweety Gupta†, Swapnendu Narayan Ghosh†, Amit Paul,* Santanu Talukder*, and Aasheesh Srivastava*

Nanoscale, 2024, 16, 8427-8433 (Link)

Divergent Self-Assembly Propensity of Enantiomeric Phenylalanine Amphiphiles that Undergo pH-Induced Nanofiber-to-Nanoglobule Conversion

Manas Kumar Pradhan, Nayanika Misra, Fathima Sahala, Nyaya Prakash Pradhan, and Aasheesh Srivastava*

Soft Matter, 2024, 20, 3602-3611 (Link)

Molecular clips with spatially proximal urea residues for efficient transmembrane co-transport of H+/Cl− ions

Nyaya Prakash Pradhan, Kavthekar Rupesh Namdev, Aasheesh Srivastava*

Org. Biomol. Chem., 2024, 22, 74-79 (Link)

Enzymatic Dimerization-Induced Self-assembly of Alanine-Tyramine Conjugates into Versatile, Uniform, Enzyme-Loaded Organic Nanoparticles

Manas Kumar Pradhan†, Surya Suresh Puthenpurackal†, Aasheesh Srivastava*

Angew. Chem. Int. Ed., 2024, 63, e202314960 (Link)

Underwater Adhesives from Redox-responsive Polyplexes of Thiolated Polyamide Polyelectrolytes

Aashish Sharma, Tanmay Dutta, Aasheesh Srivastava*

Chem. Eur. J., 2023, 30, e202302157 (Link)

Minimalistic Cationic Scaffolds Exhibiting Excited State Intramolecular Proton Transfer (ESIPT), White Light Emission and Photo-click Reactions

Dibyajyoti Pathak, Naresh Aggarwal, Riya Gupta, K. V. Adarsh, Aasheesh Srivastava*

ChemRxiv. Cambridge: Cambridge Open Engage, 2023; Preprint  (Link)

Luminescent Hexagonal Microtubes Prepared Through Water-induced Self-assembly of a Polymorphic Organoboron Compound: Formation Mechanism and Waveguide Behaviour

Pradip A. Gaikwad, Prodipta Samadder, Shubham Som, Deepak Chopra, Prakash P. Neelakandan and Aasheesh Srivastava*

Nanoscale, 2023, 15, 14380-14387 (Link)

Design of Cationic Lipids with Acetal Linkers: Conformational preferences, Hydrolytic Stability and High Drug-loading Abilities 

Anand Kumar Awasthi, Somnath D. Bhagat, Aditi Banerjee and Aasheesh Srivastava*

ChemBioChem, 2023, 24, e202300449 (Link)

Bioinspired Design of an Uncharged Ambipolar Helical Scaffold to Achieve Efficient Solid-State Proton Conduction

Cover Picture

Himanshu Aggarwal†, Pradip A. Gaikwad†, Anjali Dahat, Swapnendu Narayan Ghosh, Palak Mehra, Amit Paul*, Santanu Talukder*, Aasheesh Srivastava*

Chem. Eur. J., 2023, 29, e202300738 (Link)

Bioinspired Design of an Uncharged Ambipolar Helical Scaffold to Achieve Efficient Solid-State Proton Conduction

Himanshu Aggarwal†, Pradip A. Gaikwad†, Anjali Dahat, Swapnendu Narayan Ghosh, Palak Mehra, Amit Paul*, Santanu Talukder*, Aasheesh Srivastava*

Chem. Eur. J., 2023, 29, e202300019 (Link)

Macrocyclic enforcement of twist in a secondary amide: reactivity and influence on photoisomerisation

Front Cover

Dibyajyoti Pathak and Aasheesh Srivastava*

Chem. Commun., 2022, 58, 12619-12619 (Link)

Macrocyclic enforcement of twist in a secondary amide: reactivity and influence on photoisomerisation

Dibyajyoti Pathak and Aasheesh Srivastava*

Chem. Commun., 2022, 58, 12619-12619 (Link)

Anion-responsive Self-assembled Hydrogels of Phenylalanine-TREN Conjugate Allow Sequential Release of Propranolol and Doxorubicin

Manas Kumar Pradhan, Deepika Gupta, Kavthekar Rupesh Namdev, Anjali, Chirag Miglani, Asish Pal* and Aasheesh Srivastava*

Nanoscale, 2022, 14, 15079-15090 (Link)

Polydopamine and dopamine interfere with tetrazolium-based cytotoxicity assays and produce exaggerated cytocompatibility inferences

Anand Kumar Awasthi, Sakshi Gupta, Kavthekar Rupesh Namdev, Aditi Banerjee, Aasheesh Srivastava*

Biomater. Sci., 2021, 9, 3300-3305 (Link)

Implantable HDAC-inhibiting Chemotherapeutics Derived from Hydrophobic Amino Acids for Localized Anticancer Therapy

Somnath Dharmaraj Bhagat, Abhishek Chanchal, Mansi Gujrati, Aditi Banerjee, Ram Kumar Mishra and Aasheesh Srivastava*

Biomater. Sci., 2021,9, 261-271 (Link)

Amphiphilic phenylalanine derivatives that temporally generate reactive oxygen species from water in the presence of Au(III) ions

Somnath Dharmraj Bhagat and Aasheesh Srivastava*

Biomater. Sci., 2020, 8, 4750-4756 (Link)

Polydopamine-on-liposomes: stable nanoformulations, uniform coatings and superior antifouling performance

Anand Kumar Awasthi,‡ Siddhi Gupta,‡ Jyoti Thakur, Sakshi Gupta, Sanjay Pal, Avinash Bajaj * and Aasheesh Srivastava*

Nanoscale, 2020, 12, 5021-5030 (Link)

Of Twists and Curves: Electronics, Photophysics and Upcoming Applications of Non-Planar Conjugated Organic Molecules

Rajesh Kumar, Himanshu Aggarwal, and Aasheesh Srivastava*

Chem. Eur. J., 2020, 26, 10653-10675 (Link)

Chirally‐twisted Ultrathin Polydopamine Nanoribbons: Synthesis and Assembly of Silver Nanoparticles on them

Anand Kumar Awasthi, Somnath D. Bhagat, Reshma Ramakrishnan, Aasheesh Srivastava* 

Chem.Eur.J., 2019, 25, 12905–12910 (Link)

An Electron-Rich Helical Host for the Exclusive Removal of a planar Electron-Deficient Organic Compound

Rajesh Kumar, Himanshu Aggarwal, Rohit Bhowal, Deepak Chopra, Aasheesh Srivastava*

Chem.Eur.J., 2019, 25, 10756–10762 (Link)

A nanogel based oral gene delivery system targeting SUMOylation machinery to combat gut inflammation

Prabhu Srinivas Yavvari, Priyanka Verma, Salman Ahmad Mustfa, Sanjay Pal, Sandeep Kumar, Anand Kumar Awasthi, Vineet Ahuja, C. V. Srikanth, Aasheesh Srivastava*, and Avinash Bajaj 

Nanoscale, 2019, 11, 4970-4986 (Link)

Emerging Biomedical Applications of Polyaspartic Acid-Derived Biodegradable Polyelectrolytes and Polyelectrolyte Complexes

Prabhu Srinivas Yavvari, Anand Kumar Awasthi, Aashish Sharma, Avinash Bajaj, Aasheesh Srivastava*

J. Mater. Chem. B, 2019, 7, 2102-2122 (Link)

Secondary inner filter effect allows extremely efficient pure white light emission by spatially separated organic fluorophores

Himanshu Aggarwal, Rajesh Kumar and Aasheesh Srivastava*

Chem. Commun., 2018, 54, 11479-11482 (Link)

An Endogenous Reactive Oxygen Species (ROS)‐Activated Histone Deacetylase Inhibitor Prodrug for Cancer Chemotherapy

Somnath D. Bhagat, Usha Singh, Ram Kumar Mishra and Aasheesh Srivastava*

ChemMedChem, 2018, 13, 2073-2079 (Link) 

Tween 20‐Assisted Synthesis of Uniform Mesoporous Silica Nanospheres with Wormhole Porosity for Efficient Intracellular Curcumin Delivery

Qysar Maqbool, Abhishek Chanchal and Aasheesh Srivastava*

ChemMedChem, 2018, 3, 3324-332 (Link) 

Injectable, Self-Healing Chimeric Catechol-Fe(III) Hydrogel for Localized Combination Cancer Therapy 

Prabhu S. Yavvari, Sanjay Pal, Sandeep Kumar, Animesh Kar, Anand Kumar Awasthi, Aaliya Naaz, Aasheesh Srivastava*and Avinash Bajaj*

ACS Biomater. Sci. Eng., 2017, 3, 3404-3413 (Link)

Heli(aza)cene: A Helical Molecular Tweezer with Tunable Intra‐ and Intermolecular Charge Transfer

Rajesh Kumar, Shrivats Semwal, Joyanta Choudhury and Aasheesh Srivastava*

Chem. Eur. J., 2017, 23, 15012-15016 (Link)

Benign Synthesis of Black Microspheres of Anatase TiO2 with Paramagnetic Oxygen Vacancies through NH3 Treatment

Qysar Maqbool and Aasheesh Srivastava*

Chem. Eur. J., 2017, 23, Accepted Article (Link)

Clathrin-Independent Killing of Intracellular Mycobacteria and Biofilm Disruptions Using Synthetic Antimicrobial Polymers

P. S. Yavvari, Siddhi Gupta, Divya Arora, V. K. Nandicoori, Aasheesh Srivastava* and Avinash Bajaj*

Biomacromolecules, 2017, 18, 2024-2033 (Link)

Nano "Koosh balls" of mesoporous MnO2: Improved supercapacitor performance through superior ion transport

Qysar Maqbool, Chanderpratap Singh, Priyajit Jash, Amit Paul* and Aasheesh Srivastava*

Chem. Eur. J., 2017, 23, 4216-4226 (Link)

Cell Permeating Nano-Complexes of Amphiphilic Polyelectrolytes Enhance Solubility, Stability, and Anti-Cancer Efficacy of Curcumin

Munazza T. Fatima, Abhishek Chanchal, Prabhu S. Yavvari, Somnath D. Bhagat, Mansi Gujrati,§ Ram K. Mishra,*,§ and Aasheesh Srivastava*

Biomacromolecules, 2016, 17, 2375−2383 (Link)

Rods, helices and spherulites: diverse self-assembled architectures from L-phenylalanine derivatives

Somnath Bhagat and Aasheesh Srivastava

CrystEngComm, 2016, 18, 4369-4373 (Link)

Interactions governing the entrapment of anticancer drugs by low-molecular-weight hydrogelator for drug delivery applications

Siddhi Gupta, Manish Singh, Amarendar Reddy M., Prabhu S. Yavvari,a Aasheesh Srivastava* and Avinash Bajaj*

RSC Adv., 2016, 6, 19751-19757 (Link)

Anion binding-induced white light emission using a water-tolerant fluorescent molecular tweezer.

Rajesh Kumar and Aasheesh Srivastava*

Chem. Eur. J., 2016, 22, 3224-3229 (Link)

In aquo ppm level detection of acrylamide through S-to-N acyl transfer mediated activation of pro-sensors

Amarendar Reddy M and Aasheesh Srivastava*

Chem. Commun., 2015, 51, 11072 (Link)

Uniform spheroidal nanoassemblies of magnetite using Tween surfactants: influence of surfactant structure on the morphology and electrochemical performance

Qysar Maqbool, Chanderpratap Singh, Amit Paul* and Aasheesh Srivastava*

J. Mater. Chem. C, 2015, 3, 1610 (Link) 

Robust, self-healing hydrogels synthesised from catechol rich polymers

Prabhu Srinivas Yavvari and Aasheesh Srivastava* 

J. Mater. Chem. B, 2015, 3, 899-910 (Link)

Cell Penetrating Synthetic Antimicrobial Peptides (SAMPs) Exhibiting Potent and Selective Killing of Mycobacterium by Targeting its DNA

Sharma, A, Pohane, AA, Bansal, S, Bajaj, A, Jain, V, Srivastava, A.

Chem. Eur. J., 2015, 21, 3540 (Link)

Injectable small molecule hydrogel as a potential nanocarrier for localized and sustained in vivo delivery of Doxorubicin.

M. Singh, S. Kundu, A. Reddy M, V. Sreekanth, R. K. Motiani, S. Sengupta, A. Srivastava, and A. Bajaj

Nanoscale, 2014, 6, 12849-12855 (Link)

Mechano-responsive gelation of water by a short alanine-derivative.

Amarendar Reddy M and Aasheesh Srivastava

Soft Matter, 2014, 10, 4863-4868 (Link)

Transparent, free-standing, flexible and selective CO2 adsorbent films fabricated from homopolymer/metal salt hybrid gels.

Qysar Maqbool, Amarendar Reddy M, Soumyabrata Goswami, Sanjit Konar and Aasheesh Srivastava

J. Mater. Chem. A, 2014, 2, 2609-2615 (Link)

Bolaform homodiamides of N-protected alanines as efficient and versatile sono- and thermo-gelators offering phase-selectivity, optical-transparency and enzyme-assisted release

Amarendar Reddy M, Aashish Sharma, Qysar Maqbool and Aasheesh Srivastava*

RSC Adv., 2013, 3, 18900-18907 (Link)

Sculpting nanofibers of a bolaamphiphilic peptide through sonication, and quantifying its interaction with anions

Prabhu S. Yavvari, Amarendar Reddy M and Aasheesh Srivastava*

RSC Adv., 2013, 3, 17244-17253 (Link)

Pronounced influence of pH, metal-ion and solvent isotope on the thermoresponse of synthetic amphiphilic polypeptides

Aashish Sharma and Aasheesh Srivastava*

Polym. Chem., 2013, 4, 5119-5128 (Link)

Design and Engineering of Disulfide Crosslinked Nanocomplexes of Polyamide Polyelectrolytes: Stability under Biorelevant Conditions and Potent Cellular Internalization of Entrapped Model Peptide

Aashish Sharma, Somanath Kundu, Amarendar Reddy M, Avinash Bajaj, Aasheesh Srivastava*

Macromol. Biosci., 2013, 13, 927-937 (Link)

Optically Transparent Hydrogels from an Auxin–Amino-Acid Conjugate Super Hydrogelator and its Interactions with an Entrapped Dye

Amarendar Reddy, Aashish Sharma and Aasheesh Srivastava*

Chem. Eur. J., 2012, 18, 7575-7581 (Link)