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Multiple functional nanoprobe for contrast-enhanced bimodal cellular imaging and targeted therapy.
Many one-photon fluorescence-based theranostic nanosystems have been developed for simultaneous therapeutic intervention/monitoring for various types of cancers. However, for early diagnosis of… Expand
Graphene oxide-based biosensor for sensitive fluorescence detection of DNA based on exonuclease III-aided signal amplification.
Based on the super fluorescence quenching efficiency of graphene oxide and exonuclease III aided signal amplification, we develop a facile, sensitive, rapid and cost-effective method for DNA… Expand
A ratiometric fluorescent sensor for zinc ions based on covalently immobilized derivative of benzoxazole.
- Q. Ma, X. Zhang, +4 authors R. Yu
- Chemistry, Medicine
- Spectrochimica acta. Part A, Molecular and…
- 1 August 2009
In the present paper, we describe the fabrication and analytical characteristics of fluorescence-based zinc ion-sensing glass slides. To construct the sensor, a benzoxazole derivative… Expand
Ag nanocluster-based label-free catalytic and molecular beacons for amplified biosensing.
By employing DNAzyme as a recognition group and amplifier, and DNA-stabilized silver nanoclusters (DNA/AgNCs) as signal reporters, we reported for the first time a label-free catalytic and molecular… Expand
Graphene-DNAzyme based biosensor for amplified fluorescence "turn-on" detection of Pb2+ with a high selectivity.
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 biosensor for… Expand
Versatile DNAzyme-based amplified biosensing platforms for nucleic acid, protein, and enzyme activity detection.
DNAzymes have been widely applied as signal amplifiers for enzyme-free and highly sensitive detection of DNA. A few of them have also been employed for amplified detection of other biomolecules via a… Expand
A highly selective fluorescent probe for Hg(2+) based on a rhodamine-coumarin conjugate.
A fluorescent probe 1 for Hg(2+) based on a rhodamine-coumarin conjugate was designed and synthesized. Probe 1 exhibits high sensitivity and selectivity for sensing Hg(2+), and about a 24-fold… Expand
Magnetic graphitic nanocapsules for programmed DNA fishing and detection.
Graphene nanomaterials are typically used in biosensing applications, and they have been demonstrated as good fluorescence quenchers. While many conventional amplification platforms are available,… Expand
Nucleic acid-functionalized nanomaterials for bioimaging applications
Nanomaterials possess several useful properties, including large surface-to-volume ratio, high biocompatibility, facile surface modification and overall structural robustness. They also have unique… Expand
A superquenched DNAzyme-perylene complex: a convenient, universal and low-background strategy for fluorescence catalytic biosensors.
Taking advantage of the super-quenching effect of the cationic perylene derivative on adjacent fluorophores, we for the first time reported a DNAzyme-perylene complex-based strategy for constructing… Expand