A new pH nanosensor changes color in acidic cell compartments by forming an unusual four-stranded DNA structure.
This is a preview of subscription content, access via your institution
Access options
Subscribe to this journal
Receive 12 print issues and online access
$259.00 per year
only $21.58 per issue
Buy this article
- Purchase on SpringerLink
- Instant access to the full article PDF.
USD 39.95
Prices may be subject to local taxes which are calculated during checkout
References
Modi, S. et al. A DNA nanomachine that maps spatial and temporal pH changes inside living cells. Nat. Nanotechnol. 4, 325–330 (2009).
Rights and permissions
About this article
Cite this article
Peng, W. Nature's pH meter. Nat Methods 6, 404 (2009). https://doi.org/10.1038/nmeth0609-404
Issue date:
DOI: https://doi.org/10.1038/nmeth0609-404