Abstract
Pyrene-based fluorogenic amphiphilic probe (1) has been synthesized, which can form a thixotropic (injectable) hydrogel in the aqueous medium. The biocompatible hydrogel, so formed, is involved in the thermoresponsive, sustainable delivery of two anticancer drugs, Doxorubicin (DOX) and Mitoxantrone (MT). A substantial difference in the extent of drug release is noticed at 25 and 37 °C, even at physiological pH. The cumulative releases of ~80% and ~70% for DOX and MT, respectively, from the drug-loaded hydrogel samples, are observed for 72 h. In both cases, drug molecule release follows zero-order kinetics and non-Fickian diffusion pathways. The excellent stability of 1 against proteinase enzyme suggests that the present system can be used for sustainable, targeted release of drug molecules under in-vivo conditions. As expected, DOX-loaded hydrogels kill cancer cells more efficiently than the free drug (i.e., DOX).
Graphical abstract
A pyrene-based amphiphilic probe has been synthesized, which can form a thixotropic hydrogel in the aqueous medium. The biocompatible hydrogel was involved in the thermoresponsive, sustainable delivery of two anticancer drugs, Doxorubicin (DOX) and Mitoxantrone (MT). Moreover, the DOX-loaded hydrogel could kill cancer cells more efficiently than the free drug.
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Acknowledgments
Prof. S. Bhattacharya thanks the Department of Science and Technology for the J. C. Bose Fellowship. D. Biswakarma thanks DSKPDF for funding.
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SB designed the project; DB and ND did experimental findings and data collection. DB prepared the original manuscript draft, and DB, ND, and SB did review and editing.
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Biswakarma, D., Dey, N. & Bhattacharya, S. Thermoresponsive sustainable release of anticancer drugs using cyto-compatible pyrenylated hydrogel as vehicle. J Chem Sci 135, 7 (2023). https://doi.org/10.1007/s12039-022-02124-3
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DOI: https://doi.org/10.1007/s12039-022-02124-3