Fe5 C2 NPs exhibit a high contrast in magnetic resonance imaging (MRI), superior photoacoustic tomography improvements, and efficient photothermal therapy (PTT) due to their unique core/shell structure, with a magnetic core and carbon shell. By conjugating a new class of affinity proteins (ZHER2:342), they can target to tumor cells with low cytotoxicity, and kill them through laser irritation. It is also possible to ablate tumors under guidance by MRI and PTT without noticeable side effects.
Silver cluster-assembled materials
(SCAMs), by virtue of their
tunable structure, accessible surface area and excellent stability,
hold great promise as highly efficient catalysts. Herein, we report
a new SCAM [Ag12(S
t
Bu)6(CF3COO)3(TPyP)]
n
(denoted as Ag12TPyP) composed of a Ag12 chalcogenolate cluster core stabilized by porphyrinic ligands. Ag12TPyP showed superior sulfur mustard simulant (2-chloroethyl
ethyl sulfide, CEES) degradation efficiency and achieved a half lifetime
(t
1/2) of 1.5 min with 100% selectivity.
The experimental results demonstrated that synergistic effects between
the silver cluster and photosensitizer ligand promote the efficiency
of the generation of singlet oxygen (1O2), which
accelerates the decontamination rate. Additionally, benefiting from
strong affinity between the silver cluster and CEES, Ag12TPyP exhibits a CEES uptake of 74.2 mg g–1. This
work demonstrates that SCAMs offer a new route to the rational design
of novel materials for the detoxification of mustard gas.
A core-shell structure of Ag-Cr dual cocatalyst loaded-GaO was found to significantly enhance the formation rate of CO and selectivity toward CO evolution for the photocatalytic conversion of CO where HO is used as an electron donor.
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