Metal 'turn-off', anion 'turn-on' gelation cascade in pyridinylmethyl ureas

被引:56
|
作者
Offiler, Caroline A. [1 ]
Jones, Christopher D. [1 ]
Steed, Jonathan W. [1 ]
机构
[1] Univ Durham, Dept Chem, Univ Sci Labs, South Rd, Durham DH1 3LE, England
基金
英国工程与自然科学研究理事会;
关键词
SUPRAMOLECULAR GELS; ORGANIC-SOLVENTS; HYDROGEN-BOND; TAPE SYNTHON; GELATORS;
D O I
10.1039/c6cc09126a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Pyridinylmethyl ureas form strong gels in aromatic solvents. The gels are weakened or destroyed by addition of transition metal ions but gelation is recovered by adding bromide anions giving rise to a gel-sol-gel chemically triggered cascade.
引用
收藏
页码:2024 / 2027
页数:4
相关论文
共 50 条
  • [1] Investigation of Turn-on and Turn-off Characteristics
    Karakaya, Furkan
    Ugur, Mesut
    Keysan, Ozan
    2018 20TH EUROPEAN CONFERENCE ON POWER ELECTRONICS AND APPLICATIONS (EPE'18 ECCE EUROPE), 2018,
  • [2] CIRCUIT SPEEDS RELAY TURN-ON, TURN-OFF
    SANDFORD, W
    EDN MAGAZINE-ELECTRICAL DESIGN NEWS, 1980, 25 (02): : 151 - 151
  • [3] BACTERIAL PATHOGENESIS - WHEN A TURN-OFF IS A TURN-ON
    STRAUSS, EJ
    CURRENT BIOLOGY, 1995, 5 (07) : 706 - 709
  • [4] The uniform turn-on of the emitter turn-off thyristor
    Xu, ZX
    Bai, YM
    Zhang, B
    Huang, AQ
    APEC 2002: SEVENTEENTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, VOLS 1 AND 23, 2002, : 167 - 172
  • [5] TURN-ON AND TURN-OFF CHARACTERISTICS OF A 4.5-KV 3000-A GATE TURN-OFF THYRISTOR
    HASHIMOTO, O
    KIRIHATA, H
    WATANABE, M
    NISHIURA, A
    TAGAMI, S
    IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, 1986, 22 (03) : 478 - 482
  • [6] Applications of bifurcation theory to thyristor turn-on and turn-off
    Paisana, J
    Santos, HA
    SOLID-STATE ELECTRONICS, 1997, 41 (11) : 1803 - 1809
  • [7] A magnetically coupled regenerative turn-on and turn-off snubber configuration
    Menagaz, PJM
    Vieira, JLF
    Simonetti, DSL
    IECON '97 - PROCEEDINGS OF THE 23RD INTERNATIONAL CONFERENCE ON INDUSTRIAL ELECTRONICS, CONTROL, AND INSTRUMENTATION, VOLS. 1-4, 1997, : 872 - 876
  • [8] NOVEL ZERO CURRENT TURN-ON AND TURN-OFF COMMUTATION CELL
    Dias, E. C.
    Freitas, L. C. G.
    Farias, V. J.
    Coelho, E. A. A.
    Vieira, J. B., Jr.
    de Freitas, L. C.
    2009 BRAZILIAN POWER ELECTRONICS CONFERENCE, VOLS 1 AND 2, 2009, : 237 - 244
  • [9] A Perylene Bisimide Cyclophane as a "Turn-On" and "Turn-Off" Fluorescence Probe
    Spenst, Peter
    Wuerthner, Frank
    ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2015, 54 (35) : 10165 - 10168
  • [10] Magnetically coupled regenerative turn-on and turn-off snubber configuration
    Menegaz, Paulo J.M.
    Vieira, Jose L.F.
    Simonetti, Domingos S.L.
    IECON Proceedings (Industrial Electronics Conference), 1997, 2 : 872 - 876