Novak, Bruce - University of Texas-Dallas

个人简介

BS 1983, California State University, Northridge MS 1985, California State University, Northridge PhD 1989 California Institute of Technology

研究领域

Work in the Novak Group has focused on the synthesis and properties of a unique family of helical macromolecules, the polycarbodiimides. Inspired by the helices of nature, these polymers display unusual properties including antimicrobial activities, liquid crystallinity, and act as chemical sensors, tunable polarizers, and optical switches. Polycarbodiimides are prepared through a metal catalyzed polymerization of carbodiimides. When chiral catalysts are used, helical polymers with a single screw-sense are produced that display unusual chiro-optic properties including reversible optical switching. Examples are shown below: both the anthracene and naphthalene derivatives show unprecedented, reversible changes in optical rotation due to reorientations of the aromatic rings relative to the helix director.

近期论文

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“Resolving the Regioregularity of Poly(N-n-hexyl-N’-phenylcarbodiimide) via Nitrogen-15 Labeling”, DeSousa, J. D.; Novak, B. M. Macro Lett. 2012, 1, 672-675. “Synthesis of Guanidinium Functionalized Polycarbodiimides and Their Antibacterial Activities”, Budhathoki-Uprety, J; Peng. L. L.; Melander, C.; Novak, B. M. Macro Lett. 2012, 1, 370-374. “Advances in Polycarbodiimide Chemistry”, Kennemur, J. G.; Novak, B. M. Polymer 2011, 52, 1693-1710. (REVIEW of Polycarbodiimides) "Synthesis of Alkyne Functionalized Helical Polycarbodiimides and their Ligation to Small Molecules using ‘Click’ and Sonogashira Reactions”, Budhathoki-Uprety, J; Novak, B. M. Macromolecules 2011, 44, 5947-5954. “A New, More Versatile, Optical Switching Helical Polycarbodiimide Capable of Thermally Tuning Polarizations ± 359” Kennemur, J. G.; Clark, J. B.; Tian, G.; Novak, B. M. Macromolecules 2010, 43, 1867-1873.