Abstract

There is an increasing awareness that health care must move from post-symptomatic treatment to presymptomatic intervention. An ideal system would allow regular inexpensive monitoring of health status using circulating antibodies to report on health fluctuations. Recently, we demonstrated that peptide microarrays can do this through antibody signatures (immunosignatures). Unfortunately, printed microarrays are not scalable. Here we demonstrate a platform based on fabricating microarrays (∼10M peptides per slide, 330,000 peptides per assay) on silicon wafers using equipment common to semiconductor manufacturing. The potential of these microarrays for comprehensive health monitoring is verified through the simultaneous detection and classification of six different infectious diseases and six different cancers. Besides diagnostics, these high-density peptide chips have numerous other applications both in health care and elsewhere.

Original languageEnglish (US)
Article number4785
JournalNature Communications
Volume5
DOIs
StatePublished - Sep 3 2014

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Microarrays
health
peptides
Health
Peptides
Monitoring
Health care
antibodies
Delivery of Health Care
Semiconductors
Antibodies
Silicon
Silicon wafers
Health Status
Communicable Diseases
infectious diseases
Assays
chutes
Semiconductor materials
Equipment and Supplies

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Chemistry(all)
  • Physics and Astronomy(all)

Cite this

Scalable high-density peptide arrays for comprehensive health monitoring. / Legutki, Joseph Barten; Zhao, Zhan-Gong; Greving, Matt; Woodbury, Neal; Johnston, Stephen; Stafford, Phillip.

In: Nature Communications, Vol. 5, 4785, 03.09.2014.

Research output: Contribution to journalArticle

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