Journal
NANOSCALE
Volume 5, Issue 22, Pages 10982-10988Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3nr03031h
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Funding
- National Natural Science Foundation of China [21075078, 21105056]
- Natural Science Foundation of Shandong province, China [ZR2010BM005, ZR2011BQ001]
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LDH nanosheets were obtained via continuous impaction and exfoliation by herring sperm DNA molecules using a constant vibration method. DNA-LDH nanohybrids were composed by electrostatic forces and they exhibited DNA-enhanced peroxidase-like activity. The morphology and structure of DNA-LDH nanohybrids were analyzed by transmission electron microscopy (TEM), selected-area electron diffraction (SAED), X-ray diffraction (XRD), and atomic force microscopy (AFM) characterization. On the basis of the high catalytic activity of DNA/CuAl-LDH nanosheets, a rapid, sensitive, and convenient approach was developed for colorimetric detection of H2O2 and blood glucose. This method can be potentially applied in medical diagnostics and biotechnology fields.
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