• PRANATHI THATHIREDDY

      Articles written in Journal of Chemical Sciences

    • Microneedle-based drug delivery: materials of construction

      SHUBHMITA BHATNAGAR PRADEEPTHA REDDY GADEELA PRANATHI THATHIREDDY VENKATA VAMSI KRISHNA VENUGANTI

      More Details Abstract Fulltext PDF

      Microneedle-based drug delivery has attracted researchers’ attention over the last decade. The material of construction of microneedles has emerged as a critical factor influencing clinical usage, manufacture, drug loading and drug stability. Initially, microneedles were fabricated using glass, silicon and metals. The development of sophisticated machining tools and advances in the polymer science allowed for a major shift in materials of construction of microneedles towards polymeric systems. Delivery of difficult to formulate therapeutics, including proteins, peptides, vaccines and genetic material has been established using microneedles. There is a constant search for newer materials, which can easily form microneedles with sufficient strength to penetrate biological barriers, can be easily manufactured, and are compatible with drug molecules and biological systems. While several reviews have discussed microneedle-based cosmetic and drug delivery applications, there is a gap in understanding the effect of material of construction of microneedles on drug stability and potential for large-scale manufacture. This review is an attempt to present microneedles as a function of the material used for its construction. Since microneedle commercialization is now a realistic possibility, we believe that improved understanding of materials and their chemistry will allow for improved decision making, especially for industries looking towards bringing microneedle technology to manufacturing setups.

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