Microneedle-Mediated Minimally Invasive Patient Monitoring

Ryan F. Donnelly, Karen Mooney, Ester Caffarel-Salvador, Barbara M. Torrisi, Eyman Eltayib, James C. McElnay

Research output: Contribution to journalArticlepeer-review

54 Citations (Scopus)


Background: The emerging field of microneedle-based minimally invasive patient monitoring and diagnosis is reviewed. Microneedle arrays consist of rows of micron-scale projections attached to a solid support. They have been widely investigated for transdermal drug and vaccine delivery applications since the late 1990s. However, researchers and clinicians have recently realized the great potential of microneedles for extraction of skin interstitial fluid and, less commonly, blood, for enhanced monitoring of patient health.

Methods: We reviewed the journal and patent literature, and summarized the findings and provided technical insights and critical analysis.

Results: We describe the basic concepts in detail and extensively review the work performed to date.

Conclusions: It is our view that microneedles will have an important role to play in clinical management of patients and will ultimately improve therapeutic outcomes for people worldwide.

Original languageEnglish
Pages (from-to)10-17
Number of pages8
Issue number1
Publication statusPublished - Feb 2014


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