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University of Utah

1. Kaur, Sarbjit. Adhesive complex coacervate inspired by the sandcastle worm as a sealant for fetoscopic defects.

Degree: PhD, Materials Science & Engineering, 2015, University of Utah

Inspired by the Sandcastle Worm, biomimetic of the water-borne adhesive was developed by complex coacervation of the synthetic copolyelectrolytes, mimicking the chemistries of the worm glue. The developed underwater adhesive was designed forsealing fetal membranes after fetoscopic surgery in twin-to-twin transfusion syndrome (TTTS) and sealing neural tissue of a fetus in aminiotic sac for spina bifida condition. Complex coacervate with increased bond strength was created by entrapping polyethylene glycol diacrylate (PEG-dA) monomer within the cross-linked coacervate network. Maximum shear bond strength of ~ 1.2 MPa on aluminum substrates was reached. The monomer-filled coacervate had complex flow behavior, thickening at low shear rates and then thinning suddenly with a 16-fold drop in viscosity at shear rates near6 s-1. The microscale structure of the complex coacervates resembled a three-dimensional porous network of interconnected tubules. This complex coacervate adhesive was used in vitro studies to mimic the uterine wall-fetal membrane interface using a water column with one end and sealed with human fetal membranes and poultry breast, and a defect was created with an 11 French trocar. The coacervate adhesive in conjunction with the multiphase adhesive was used to seal the defect. The sealant withstood an additionaltraction of 12 g for 30-60 minutes and turbulence of the water column without leakage of fluid or slippage. The adhesive is nontoxic when in direct contact with human fetal membranes in an organ culture setting.

Subjects/Keywords: Adhesive; Biomimetic; Complex coacervate; Fetoscopic defects; Sandcastle worm; Soft tissue adhesive

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Kaur, S. (2015). Adhesive complex coacervate inspired by the sandcastle worm as a sealant for fetoscopic defects. (Doctoral Dissertation). University of Utah. Retrieved from http://content.lib.utah.edu/cdm/singleitem/collection/etd3/id/3541/rec/150

Chicago Manual of Style (16th Edition):

Kaur, Sarbjit. “Adhesive complex coacervate inspired by the sandcastle worm as a sealant for fetoscopic defects.” 2015. Doctoral Dissertation, University of Utah. Accessed January 21, 2021. http://content.lib.utah.edu/cdm/singleitem/collection/etd3/id/3541/rec/150.

MLA Handbook (7th Edition):

Kaur, Sarbjit. “Adhesive complex coacervate inspired by the sandcastle worm as a sealant for fetoscopic defects.” 2015. Web. 21 Jan 2021.

Vancouver:

Kaur S. Adhesive complex coacervate inspired by the sandcastle worm as a sealant for fetoscopic defects. [Internet] [Doctoral dissertation]. University of Utah; 2015. [cited 2021 Jan 21]. Available from: http://content.lib.utah.edu/cdm/singleitem/collection/etd3/id/3541/rec/150.

Council of Science Editors:

Kaur S. Adhesive complex coacervate inspired by the sandcastle worm as a sealant for fetoscopic defects. [Doctoral Dissertation]. University of Utah; 2015. Available from: http://content.lib.utah.edu/cdm/singleitem/collection/etd3/id/3541/rec/150

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