4.7 Article

Designing isometrical gel precursors to identify the gelation pathway for nickel-selective metallohydrogels

Journal

DALTON TRANSACTIONS
Volume 45, Issue 46, Pages 18438-18442

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c6dt03828j

Keywords

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Funding

  1. NSFC of China [21473257]
  2. National High Technology Research and Development Program of China [2015AA020502]
  3. Department Education of Hunan Province of China [15C1168, 14C1004]
  4. Doctoral scientific research foundation of the University of South China [2014XQD32]
  5. State Key Laboratory of Powder Metallurgy, Central South University
  6. Tangshan scholarship, Xinjiang University

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Two novel multi-responsive metallohydrogels, namely, 2-PF-Ni and 3-PF-Ni, were successfully constructed from phenylalanine derivatives. The 2-PF gelator shows specific responses to Ni2+; particularly, 2-PF-Ni is lavender colored, which has been rarely reported among hydrogels triggered by Ni2+. 3-PF-Ni is light green and exhibits perfect thixotropy. This paper provides insights into the gelation mechanisms of these two metallogels.

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