Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 55, Issue 28, Pages 8049-8053Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201600205
Keywords
antibiotics; antibiotic resistance; enzymes; molecular imprinting; responsive hydrogels
Categories
Funding
- 973 Project [2012CB720602, 2011CB936004]
- NSFC [21210002, 21431007, 21533008]
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Antibiotics play important roles in infection treatment and prevention. However, the effectiveness of antibiotics is now threatened by the prevalence of drug-resistant bacteria. Furthermore, antibiotic abuse and residues in the environment cause serious health issues. In this study, a stimuli-responsive imprinted hydrogel was fabricated by using beta-lactamase produced by bacteria for deactivating antibiotics as the template molecule. The imprinted hydrogel could initially trap beta-lactamase excreted by drug-resistant bacteria, thus making bacteria sensitive to antibiotics. After the bactericidal treatment, the imprinted sites on the hydrogel could be reversibly abolished with a temperature stimulus, which resulted in the reactivation of beta-lactamase to degrade antibiotic residues. We also present an example of the use of this antibacterial design to treat wound infection.
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