Dendronised Ni(ii) porphyrins as photoswitchable contrast agents for MRI. Issue 44 (5th November 2019)

• Record Type: Journal Article
• Authors: Dommaschk, Marcel; Gröbner, Jens; Wellm, Vanessa; Hövener, Jan-Bernd; Riedel, Christian; Herges, Rainer
• Is Part Of: Physical chemistry chemical physics. Volume 21:Issue 44(2019)
• Page Start: 24296
• Page End: 24299
• Publication Date: 2019-11-05
• Subjects: Chemistry, Physical and theoretical -- Periodicals; 541.3
• DOI: 10.1039/c9cp04156g
• Languages: English
• ISSNs: 1463-9076

Abstract

Abstract : On–off photoswitching of MRI contrast in water and gels with spatial resolution. Abstract : Light-responsive contrast agents for magnetic resonance imaging (MRI) based on Ni(ii ) porphyrin molecular spin switches have recently been introduced. We present their implementation in water and methanol based gels leading to the first soft materials that are rewritable with light and readable with MRI. Light of two different wavelengths as non-invasive stimuli can be applied to switch MRI contrast on and off, with a high spatiotemporal resolution and without fatigue.