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Title Oxygen-producing gellan gum hydrogels for dual delivery of either oxygen or peroxide with doxorubicin
Date 10.04.2017
Number 53165
Abstract Hypoxic environments in the core of tumors can give rise to resistance against anticancer therapeutics. Oxygen-producing biomaterials may be able to improve chemotherapeutic efficiency by locally disrupting the hypoxic environment. We hypothesized that gellan gum hydrogels could be loaded with both a solid peroxide and the chemotherapeutic drug doxorubicin, to release both oxygen and doxorubicin simultaneously. We show that calcium peroxide physically cross-links gellan gum into a hydrogel, which when loaded with catalase raises the dissolved oxygen content of media for up to 64 h. Additionally, doxorubicin could be loaded into the hydrogel in situ, allowing release in well-defined quantities.
URL http://dx.doi.org/10.1021/acsbiomaterials.7b00078
Publisher ACS Biomaterials Science & Engineering
Identifier 0
Citation ACS Biomaterials Science & Engineering 3 (2017) 787-792
DOI http://dx.doi.org/10.1021/acsbiomaterials.7b00078
Authors Newland, B. ; Baeger, M. ; Eigel, M. ; Newland, H. ; Werner, C.
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