Stepwise control of host–guest interaction using a coordination polymer gel

Rahul Dev Mukhopadhyay, Gourab Das and Ayyappanpillai Ajayaghosh ()
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Rahul Dev Mukhopadhyay: CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST)
Gourab Das: CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST)
Ayyappanpillai Ajayaghosh: CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST)

Nature Communications, 2018, vol. 9, issue 1, 1-9

Abstract: Abstract Precise control of host–guest interaction as seen in biological processes is difficult to achieve with artificial systems. Herein we have exploited the thermodynamic benefits of a system in equilibrium to achieve controlled stepwise release and capture of cyclodextrin (guest) using a coordination polymer (Mg-CP) as the host and temperature as the stimulus. Since temperature is not a precision stimulus for artificial host–guest interaction, the present system is a distinct prototype that manifests temperature-controlled natural host–guest interaction. The described coordination polymeric host system, when incorporated into a hydrogel matrix, provides a microenvironment that facilitates the stepwise release of α-CD in response to temperature variation within a quasi-solid state. The work demonstrated here may pave the way towards thermally controlled delivery and monitoring of otherwise spectroscopically silent molecules such as cyclodextrins.

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-04303-8

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DOI: 10.1038/s41467-018-04303-8

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