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Bioprinted Lung Model for Respiratory Diseases
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SCIENTIFIC PUBLICATIONS

You are researching: Styrene–Isobutylene–Styrene triblock copolymers (SIBS)
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AUTHOR Hilgeroth, Philipp S. and Thümmler, Justus F. and Binder, Wolfgang H.
Title 3D Printing of Triamcinolone Acetonide in Triblock Copolymers of Styrene–Isobutylene–Styrene as a Slow-Release System [Abstract]
Year 2022
Journal/Proceedings Polymers
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DOI/URL URL DOI
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Abstract
Additive manufacturing has a wide range of applications and has opened up new methods of drug formulation, in turn achieving attention in medicine. We prepared styrene–isobutylene–styrene triblock copolymers (SIBS; Mn = 10 kDa–25 kDa, PDI 1,3–1,6) as a drug carrier for triamcinolone acetonide (TA), further processed by fused deposition modeling to create a solid drug release system displaying improved bioavailability and applicability. Living carbocationic polymerization was used to exert control over block length and polymeric architecture. Thermorheological properties of the SIBS polymer (22.3 kDa, 38 wt % S) were adjusted to the printability of SIBS/TA mixtures (1–5% of TA), generating an effective release system effective for more than 60 days. Continuous drug release and morphological investigations were conducted to probe the influence of the 3D printing process on the drug release, enabling 3D printing as a formulation method for a slow-release system of Triamcinolone.
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