Self-assembly of polyoxovanadate-capped polyoxoniobates and their catalytic decontamination of sulfur mustard simulants

2020 ◽  
Vol 56 (90) ◽  
pp. 13967-13970
Author(s):  
Ni Zhen ◽  
Jing Dong ◽  
Zhengguo Lin ◽  
Xiaoxia Li ◽  
Yingnan Chi ◽  
...  
Keyword(s):  
Self Assembly ◽  
Heterogeneous Catalysts ◽  
Sulfur Mustard ◽  
Structural Motifs ◽  
Oxidative Detoxification ◽  
Mustard Simulants

Two novel polyoxovanadate-capped polyoxoniobates with non-classical structural motifs have been successfully assembled, which are active heterogeneous catalysts for the oxidative detoxification of sulfur mustard simulants.

Postsynthetic Incorporation of a Singlet Oxygen Photosensitizer in a Metal-Organic Framework for Fast and Selective Oxidative Detoxification of Sulfur Mustard

2016 ◽  
Vol 23 (1) ◽  
pp. 214-218 ◽  
Author(s):  
Ashlee J. Howarth ◽  
Cassandra T. Buru ◽  
Yangyang Liu ◽  
Ann M. Ploskonka ◽  
Karel J. Hartlieb ◽  
...  
Keyword(s):  
Singlet Oxygen ◽  
Sulfur Mustard ◽  
Metal Organic Framework ◽  
Metal Organic ◽  
Oxidative Detoxification ◽  
Organic Framework

Examination of Oil Structural Motifs and Temperature in Promoting Reversible Self-Assembly of Gold Nanoparticle Langmuir Films

Langmuir ◽  
2022 ◽  
Author(s):  
Annabelle M. Kilham ◽  
Samantha McWhirter ◽  
M.-Vicki Meli
Keyword(s):  
Gold Nanoparticle ◽  
Self Assembly ◽  
Langmuir Films ◽  
Structural Motifs

Mercaptomethylphenyl-modified tetraphenylethene as a multifunctional luminophor: stimuli-responsive luminescence color switching and AIE-active chemdosimeter for sulfur mustard simulants

2017 ◽  
Vol 5 (44) ◽  
pp. 11565-11572 ◽  
Author(s):  
Hui Wang ◽  
Dong-En Wang ◽  
Jianping Guan ◽  
Xiang Han ◽  
Pengchong Xue ◽  
...  
Keyword(s):  
Solid State ◽  
Sulfur Mustard ◽  
Stimuli Responsive ◽  
Color Switching ◽  
State Luminescence ◽  
Luminescence Color ◽  
Mustard Simulants

A tetraphenylethene-based multifunctional luminophor as solid-state luminescence material and chemdosimeter for sulfur mustard was successfully constructed.

scholarly journals Advanced Catalytic Technologies for Improved Global Security

2014 ◽  
Author(s):  
Matteo Guidotti ◽  
Chiara Bisio ◽  
Fabio Carniato ◽  
Chiara Palumbo ◽  
rinaldo psaro ◽  
...  
Keyword(s):  
Environmental Impact ◽  
Heterogeneous Catalysts ◽  
Sulfur Mustard ◽  
Ambient Pressure ◽  
Chemical Warfare Agents ◽  
Catalytic Performance ◽  
Inorganic Materials ◽  
Aqueous Hydrogen Peroxide ◽  
Warfare Agents ◽  
Inorganic Framework

The abatement of toxic chemical warfare agents (CWA) is conventionally achieved via stoichiometric reactions using strong oxidants with high environmental impact and/or via thermal degradation. The international Project “NanoContraChem”, in the framework of NATO Science for Peace and Security Programme, aims at obtaining innovative nanostructured inorganic materials for the catalytic decontamination of CWA. In the first year of activity, a class of heterogeneous catalysts has been designed to transform selectively and under mild conditions toxic organosulfur chemical agents in non-noxious products with reduced environmental impact. Nb(V)-containing saponite clay was identified as an optimal catalyst for the CWA oxidative abatement. The conventional synthetic protocol used to obtain saponite materials was modified to allow the insertion of Nb(V) ions within the inorganic framework of the clay, thus obtaining a bi-functional catalyst with strong oxidizing and acid properties. The catalytic performance of these clays was evaluated in the oxidation reaction of (2-chloroethyl)ethylsulfide (CEES), simulant of sulfur mustard (blistering CWA), with aqueous hydrogen peroxide. Remarkable activity and outstanding selectivity to the related sulfoxide were obtained, at room temperature and ambient pressure. The new class of Nb(V)-containing clays have been tested for acute and chronic toxicity with bioluminescent bacteria, Photobacterium leiognathii Sh1. A study of biocidal properties of saponite materials (both containing and non-containing Nb sites) has been carried out by means of bioluminescence inhibition tests. None of the solids have shown significant detrimental effects on the bacteria. These results suggest thus the possibility to use these Nb-saponite catalysts as environmentally-safe tools for the decontamination and abatement of CWA.

Self-supported chiral catalysts for heterogeneous enantioselective reactions

2007 ◽  
Vol 79 (9) ◽  
pp. 1531-1540 ◽  
Author(s):  
Kuiling Ding ◽  
Zheng Wang ◽  
Lei Shi
Keyword(s):  
Heterogeneous Catalysis ◽  
Coordination Polymers ◽  
Self Assembly ◽  
Heterogeneous Catalysts ◽  
Asymmetric Hydrogenation ◽  
Chiral Catalysts ◽  
Enantioselective Reactions ◽  
New Strategy ◽  
Hydrogenation Reactions ◽  
Metal Organic

The development of a new strategy to immobilize the homogeneous chiral catalysts for enantioselective reactions is highly desirable in order to overcome some drawbacks of conventional approaches. In this lecture, a conceptually new strategy for heterogenization of homogeneous chiral catalysts (i.e., "self-supporting" approach) is presented. The concept focuses on the use of homochiral metal-organic coordination polymers generated by self-assembly of chiral multitopic ligands with metal ions as the heterogeneous catalysts, and thus obviating the need of any exogenous support. The application of this "self-supporting" strategy has been exemplified in heterogeneous catalysis of asymmetric carbonyl-ene, sulfoxidation, and epoxidation, as well as asymmetric hydrogenation reactions.

Ionic self-assembly affords mesoporous ionic networks by crosslinking linear polyviologens with polyoxometalate clusters

2016 ◽  
Vol 45 (11) ◽  
pp. 4504-4508 ◽  
Author(s):  
Guojian Chen ◽  
Wei Hou ◽  
Jing Li ◽  
Xiaochen Wang ◽  
Yu Zhou ◽  
...  
Keyword(s):  
Self Assembly ◽  
Heterogeneous Catalysts ◽  
Highly Efficient

Polyoxometalate-crosslinked mesoporous ionic networks were constructed by ionic self-assembly of linear cationic polyviologens with PMoV clusters, acting as highly efficient heterogeneous catalysts for the conversion of HMF to DFF with ambient O2.

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