Drug delivery using microneedle patches: not just for skin

Figures & data

Figure 1. Microneedle patch (MNP) for transdermal drug delivery. (A) Representative MNP. (B) Magnified view of microneedles. (C) Image showing skin histology after puncture with a microneedle. Images reproduced with permission from JW Lee, Georgia Tech.

Table 1. Tissues studied for drug delivery with microneedle patches.

Internal surface	External surface
Mouth [12]	Skin [5,8,10]
Vagina [13]	Eye [15]
Gastrointestinal tract [14]	Fingernail [16]
Vascular wall [19]	Anus [17] Scalp [18]

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