Tissue Interlocking Dissolving Microneedles for Accurate and Efficient Transdermal Delivery of Biomolecules

Shayan Fakhraei Lahiji, Youseong Kim, Geonwoo Kang, Suyong Kim, Seunghee Lee, Hyungil Jung

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The interest in safe and efficient transdermal drug delivery systems has been increasing in recent decades. In light of that, polymeric dissolving microneedles (DMNs) were developed as an ideal platform capable of delivering micro- and macro-biomolecules across the skin in a minimally invasive manner. A vast majority of studies, however, suggest that the shape of DMNs, as well as the elastic properties of skin, affects the delivery efficiency of materials encapsulated within DMNs. Likewise, in dynamic tissues, DMNs would easily distend from the skin, leading to inefficient delivery of encapsulated agents. Thus, herein, to improve delivery efficiency of DMN encapsulated agents, a novel hyaluronic acid backbone-based tissue interlocking DMN (TI-DMN) is developed. TI-DMN is simple to fabricate and significantly improves the transdermal delivery efficiency of encapsulated materials compared with traditional DMNs. The enhanced tissue interlocking feature of TI-DMN is achieved through its sharp tip, wide body, and narrow neck geometry. This paper demonstrates that TI-DMN would serve as an attractive transdermal delivery platform to enhance penetration and delivery efficiency of a wide range of biomolecules into the body.

Original languageEnglish
Article number7886
JournalScientific reports
Volume9
Issue number1
DOIs
Publication statusPublished - 2019 Dec 1

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Skin
Hyaluronic Acid
Drug Delivery Systems
Neck

All Science Journal Classification (ASJC) codes

  • General

Cite this

Fakhraei Lahiji, Shayan ; Kim, Youseong ; Kang, Geonwoo ; Kim, Suyong ; Lee, Seunghee ; Jung, Hyungil. / Tissue Interlocking Dissolving Microneedles for Accurate and Efficient Transdermal Delivery of Biomolecules. In: Scientific reports. 2019 ; Vol. 9, No. 1.
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Tissue Interlocking Dissolving Microneedles for Accurate and Efficient Transdermal Delivery of Biomolecules. / Fakhraei Lahiji, Shayan; Kim, Youseong; Kang, Geonwoo; Kim, Suyong; Lee, Seunghee; Jung, Hyungil.

In: Scientific reports, Vol. 9, No. 1, 7886, 01.12.2019.

Research output: Contribution to journalArticle

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