Janus Gel

  • Author: David Bradley
  • Published: 29 September 2010
  • Copyright: Wiley-VCH Verlag GmbH & Co. KGaA
  • Source / Publisher: Chemical Communincations/RSC
thumbnail image: Janus Gel

Materials that respond to external stimuli could be useful in drug delivery, pollutant remediation and in microelectromechanical (MEMS) devices. Now, chemists in Japan have made a new organic gel that switches from a normal organogelator to a heat-induced gelator depending on solvent. The long-chain amidoamine derivative, C18AA, represents the first demonstration of a low-molecular-weight material having both organogelation and heat-induced gelation properties. Tweaking the concentration of C18AA also allows the team to change the transition temperature from 7 to 52 Celsius.

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