Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Timothy E. Hopkins"'
Autor:
Xiao Tan, Pradeep Dewapriya, Pritesh Prasad, Yixin Chang, Xumin Huang, Yiqing Wang, Xiaokai Gong, Timothy E. Hopkins, Changkui Fu, Kevin V. Thomas, Hui Peng, Andrew K. Whittaker, Cheng Zhang
Publikováno v:
Angewandte Chemie. 134
Efficient removal of per- and polyfluoroalkyl substances (PFAS) from contaminated waters is urgently needed to safeguard public and environmental health. In this work, novel magnetic fluorinated polymer sorbents were designed to allow efficient captu
Autor:
Gerald O. Brown, Timothy E. Hopkins, Julia Pribyl, Ruidong Yang, Thomas H. Epps, Craig A. Machado
Publikováno v:
ACS Energy Letters. 6:158-176
Membranes are a critical component of redox flow batteries (RFBs), and their major purpose is to keep the redox-active species in the two half cells separate and allow the passage of charge-balanci...
Publikováno v:
Macromolecular Chemistry and Physics. 209:1485-1494
A family of semicrystalline polymers with the amino acid lysine regularly and atactically attached along a polyethylene backbone has been prepared via metathesis polymerization. The lysine branches are placed precisely on every 21 st carbon of the po
Publikováno v:
Analytical Chemistry. 78:3624-3631
Mass spectrometry has become an essential tool in delineating the structural properties of a new series of amino acid functionalized acyclic diene metathesis (ADMET) polymers known as bioolefins. These measurements, coupled with the measurement of th
Publikováno v:
Macromolecules. 38:5878-5885
MALDI-TOF mass spectrometry has been employed to examine polymers generated via acyclic diene metathesis (ADMET) polymerization using a ruthenium metathesis catalyst at 50 °C, a study which targets the analysis of ADMET polymers having amino acid pe
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 43:1895-1902
Diels–Alder reactions of 5-[methoxypoly(oxyethylene)]-(3E)-1,3-pentadiene (1a) with maleic anhydride, diethyl acetylenedicarboxylate (DADC), and acrolein were investigated for the synthesis of new poly(ethylene glycol) derivatives. To facilitate th
Autor:
Timothy E. Hopkins, Kenneth B. Wagener
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 213:93-99
Amino acid based polymers are of interest for a variety of biomaterial applications including drug delivery, proteomics, and tissue engineering. A new class of polymers bearing amino acids and dipeptides has been prepared using acyclic diene metathes
Autor:
Kenneth B. Wagener, Timothy E. Hopkins
Publikováno v:
Macromolecules. 37:1180-1189
A series of “N-terminus” amino acid and peptide branched, chiral polyolefins, termed bio-olefins, have been prepared using acyclic diene metathesis (ADMET) polycondensation chemistry, using a minim...
Autor:
Kenneth B. Wagener, Timothy E. Hopkins
Publikováno v:
Macromolecules. 36:2206-2214
N-protected amino acid and dipeptide branched, chiral polyolefins have been prepared using acyclic diene metathesis polycondensation chemistry. The polymerizations were performed in THF using Grubbs' second-generation catalyst. The polymers bearing C
Autor:
Stephen J. Haines, Timothy E. Hopkins
Publikováno v:
Journal of Neurosurgery. 98:1113-1115
✓ To illustrate the rapidity with which a child can develop a severe, symptomatic Chiari I malformation, the authors present the case of a 3-month-old infant with Seckel syndrome (microcephaly, micrognathia, craniosynostosis, and multiple other abn