Abstract
In this perspective article, we introduce a potentially transformative DNA/RNA detection technology that promises to replace DNA microarray and real-time PCR for field applications. It represents a new microfluidic technology that fully exploits the small spatial dimensions of a biochip and some new phenomena unique to the micro- and nanoscales. More specifically, it satisfies all the requisites for portable on-field applications: fast, small, sensitive, selective, robust, label- and reagent-free, economical to produce, and possibly PCR-free. We discuss the mechanisms behind the technology and introduce some preliminary designs, test results, and prototypes.
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Abbreviations
- AC:
-
Alternating current
- CNT:
-
Carbon nanotube
- DC:
-
Direct current
- DEP:
-
Dielectrophoresis
- DNA:
-
Deoxyribonucleic acid
- FCW:
-
Fluorescence correlation spectroscopy
- FET:
-
Field-effect transistor
- I–V :
-
Current–Voltage
- kb:
-
Kilobase
- PCR:
-
Polymerase chain reaction
- pM:
-
Picomolar
- RNA:
-
Ribonucleic acid
- SNP:
-
Single-nucleotide polymorphism
- ssDNA:
-
Single-stranded DNA
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Acknowledgment
The authors are grateful to NSF, Great Lakes Protection Agency, Gates Foundation, NIH and ND-PDT for their generous support of this research.
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© 2011 Springer-Verlag Berlin Heidelberg
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Senapati, S., Basuray, S., Slouka, Z., Cheng, LJ., Chang, HC. (2011). A Nanomembrane-Based Nucleic Acid Sensing Platform for Portable Diagnostics. In: Lin, B. (eds) Microfluidics. Topics in Current Chemistry, vol 304. Springer, Berlin, Heidelberg. https://doi.org/10.1007/128_2011_142
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DOI: https://doi.org/10.1007/128_2011_142
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