Fluorescent sensors for measuring metal ions in living systems

KP Carter, AM Young, AE Palmer - Chemical reviews, 2014 - ACS Publications
All life forms have an absolute requirement for metals, as metals play critical roles in
fundamental processes, including osmotic regulation, catalysis, metabolism …

Fluorescent and colorimetric sensors for detection of lead, cadmium, and mercury ions

HN Kim, WX Ren, JS Kim, J Yoon - Chemical Society Reviews, 2012 - pubs.rsc.org
Exposure to even very low levels of lead, cadmium, and mercury ions is known to cause
neurological, reproductive, cardiovascular, and developmental disorders, which are more …

Iron (III) selective molecular and supramolecular fluorescent probes

SK Sahoo, D Sharma, RK Bera, G Crisponi… - Chemical Society …, 2012 - pubs.rsc.org
Iron is one of the most important elements in metabolic processes, being indispensable for
all living systems and therefore it is extensively distributed in environmental and biological …

New fluorescent chemosensors for metal ions in solution

M Formica, V Fusi, L Giorgi, M Micheloni - Coordination Chemistry Reviews, 2012 - Elsevier
After a brief introduction on the main transduction mechanisms for metal ion detection by
fluorescence, this paper reviews ligand molecules containing fluorophores synthesized and …

A colorimetric lead biosensor using DNAzyme-directed assembly of gold nanoparticles

J Liu, Y Lu - Journal of the American Chemical Society, 2003 - ACS Publications
A highly sensitive and selective colorimetric lead biosensor based on DNAzyme-directed
assembly of gold nanoparticles is reported. It consists of a DNAzyme and its substrate that …

A DNAzyme-gold nanoparticle probe for uranyl ion in living cells

P Wu, K Hwang, T Lan, Y Lu - Journal of the American Chemical …, 2013 - ACS Publications
DNAzymes have shown great promise as a general platform for detecting metal ions, as
many metal-specific DNAzymes can be obtained using in vitro selection. While DNAzyme …

A highly sensitive and selective catalytic DNA biosensor for lead ions

J Li, Y Lu - Journal of the American Chemical Society, 2000 - ACS Publications
The recent discovery of catalytically active DNAs (deoxyribozymes) 1 has led to a wide-
spread interest in their use as simple, stable, and cost-effective alternatives to proteins and …

Accelerated Color Change of Gold Nanoparticles Assembled by DNAzymes for Simple and Fast Colorimetric Pb2+ Detection

J Liu, Y Lu - Journal of the American Chemical Society, 2004 - ACS Publications
The combination of high metal selectivity of DNAzymes with the strong distance-dependent
optical properties of metallic nanoparticles has presented considerable opportunities for …

Unique sandwich stacking of pyrene-adenine-pyrene for selective and ratiometric fluorescent sensing of ATP at physiological pH

Z Xu, NJ Singh, J Lim, J Pan, HN Kim… - Journal of the …, 2009 - ACS Publications
A pincer-like benzene-bridged sensor 1 with a pyrene excimer as a signal source and
imidazolium as a phosphate anion receptor was synthesized and investigated for ATP …

Graphene–DNAzyme Based Biosensor for Amplified Fluorescence “Turn-On” Detection of Pb2+ with a High Selectivity

XH Zhao, RM Kong, XB Zhang, HM Meng… - Analytical …, 2011 - ACS Publications
On the basis of the remarkable difference in affinity of graphene (GO) with ssDNA containing
a different number of bases in length, we for the first time report a GO–DNAzyme based …