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Title: Block Copolymer Membranes for Efficient Capture of a Chemotherapy Drug

Journal Article · · ACS Macro Letters
 [1];  [1];  [2];  [2];  [1];  [2];  [2];  [1]
  1. Department of Chemical and Biomolecular Engineering, University of California−Berkeley, Berkeley, California 94720, United States
  2. Department of Radiology and Biomedical Imaging, University of California−San Francisco, San Francisco, California 94107, United States

We introduce the use of block copolymer membranes for an emerging application, "drug capture". The polymer is incorporated in a new class of biomedical devices, referred to as ChemoFilter, which is an image-guided temporarily deployable endovascular device designed to increase the efficacy of chemotherapy-based cancer treatment. We show that block copolymer membranes consisting of functional sulfonated polystyrene end blocks and a structural polyethylene middle block (S-SES) are capable of capturing doxorubicin, a chemotherapy drug. We focus on the relationship between morphology of the membrane in the ChemoFilter device and efficacy of doxorubicin capture measured in vitro. Using small-angle X-ray scattering and cryogenic scanning transmission electron microscopy, we discovered that rapid doxorubicin capture is associated with the presence of water-rich channels in the lamellar-forming S-SES membranes in aqueous environment.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); University of California, Berkeley, CA (United States); Univ. of California, San Francisco, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Inst. of Health (NIH) (United States)
Grant/Contract Number:
AC02-05CH11231; 1R01CA194533; 1R41CA183327
OSTI ID:
1271469
Alternate ID(s):
OSTI ID: 1314044; OSTI ID: 1373378; OSTI ID: 1474958
Report Number(s):
LBNL-1005980
Journal Information:
ACS Macro Letters, Journal Name: ACS Macro Letters Vol. 5 Journal Issue: 8; ISSN 2161-1653
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 16 works
Citation information provided by
Web of Science

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