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1. Synthesis and conjugation of a triiodohydroxylamine for the preparation of highly X‐ray opaque poly(ε‐caprolactone) materials Part A Polymer chemistry

Author:
Nicolau, Samantha E.,   et al.   ; Van Horn, Brooke A.; Davis, Lundy L.; Burry, Emma E.; Bailey, Victoria O.; Guerra, Fernanda D.; Alexis, Frank; Whitehead, Daniel C.;     Show all 8 Authors
Source:
Journal of polymer science 2017 v.55 no.5 pp. 787-793
ISSN:
0887-624X
Subject:
X-radiation; biodegradability; iodine; polymers
Abstract:
... To address a need for highly X‐ray opaque biodegradable materials, a series of poly(ε‐caprolactone) derivatives were prepared using oxime post‐polymerization modification to conjugate two different iodinated hydroxylamines. These materials were synthesized with up to 32 wt. % iodine content and demonstrated improved X‐ray contrast relative to both the ketone precursors and previously reported mono ...
DOI:
10.1002/pola.28436

2. Oxime functionalization strategy for iodinated poly(epsilon‐caprolactone) X‐ray opaque materials

Author:
Nicolau, Samantha E.,   et al.   ; Davis, Lundy L.; Duncan, Caroline C.; Olsen, Timothy R.; Alexis, Frank; Whitehead, Daniel C.; Van Horn, Brooke A.;     Show all 7 Authors
Source:
Journal of polymer science 2015 v.53 no.20 pp. 2421-2430
ISSN:
0887-624X
Subject:
X-radiation; biodegradability; composite polymers; computed tomography; differential scanning calorimetry; gel chromatography; hydroxylamine; image analysis; molecular weight; nuclear magnetic resonance spectroscopy; opacity; polymerization; radiography; stoichiometry; thermal properties; thermogravimetry; tin
Abstract:
... Since two of the most common technologies for imaging the human body are X‐ray radiography and computed tomography (CT), researchers are focused on developing biodegradable and biocompatible polymeric molecules as an alternative to the traditional small molecule contrast agents. This report highlights the synthesis of novel biodegradable iodinated poly(ε‐caprolactone) copolymers by oxime “Click” l ...
DOI:
10.1002/pola.27706