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A MOF that releases CO with visible light
Post-synthetic Mn(CO)3 on a zirconium MOF (CORF-1) liberates carbon monoxide under low-intensity visible light, with crystal size from 260 nm to 1 mm setting the dose.
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What photoactive unit is put in the MOF?
A manganese carbonyl complex immobilized in a zirconium-based MOF.
Source: Light responsive metal-organic frameworks as controllable CO-releasing cell culture substrates · DOI · quote verified
What size range was achieved for CORF-1 crystals?
From 260 nm up to 1 mm by coordination modulation.
Source: Light responsive metal-organic frameworks as controllable CO-releasing cell culture substrates · DOI · quote verified
What stimulus releases CO?
Low-intensity visible light.
Source: Light responsive metal-organic frameworks as controllable CO-releasing cell culture substrates · DOI · quote verified
Did CO reach the inside of cells?
Yes—intracellular CO after irradiating a polymer film of the photoactive MOF.
Source: Light responsive metal-organic frameworks as controllable CO-releasing cell culture substrates · DOI · quote verified
Why immobilize molecular photoCORMs?
Free molecules diffuse and can poison untargeted tissue with CO or metal fragments.
Source: Light responsive metal-organic frameworks as controllable CO-releasing cell culture substrates · DOI · quote verified
Which MOF platform was synthesized first?
UiO-67-bpy from 2,2′-bipyridine-5,5′-dicarboxylic acid.
Source: Light responsive metal-organic frameworks as controllable CO-releasing cell culture substrates · DOI · quote verified
How was evolved CO quantified?
N2 flow at 500 ml min−1 to a HALO 3 trace gas analyzer.
Source: Light responsive metal-organic frameworks as controllable CO-releasing cell culture substrates · DOI · quote verified
What does crystal size control besides appearance?
CO-donor loading and photoactive efficiency.
Source: Light responsive metal-organic frameworks as controllable CO-releasing cell culture substrates · DOI · quote verified
Which carbonyl fragment is discussed as the donor?
Mn(CO)3 moieties coordinatively immobilized in the MOF.
Source: Light responsive metal-organic frameworks as controllable CO-releasing cell culture substrates · DOI · quote verified
What physiological role of CO motivates the work?
CO is a gasotransmitter with anti-inflammatory signaling, but it is also toxic.
Source: Light responsive metal-organic frameworks as controllable CO-releasing cell culture substrates · DOI · quote verified
What future trigger do authors want?
Near-infrared light with higher tissue penetration.
Source: Light responsive metal-organic frameworks as controllable CO-releasing cell culture substrates · DOI · quote verified