Decomposition of O,S-dimethyl methylphosphonothiolate by ammonia on magnesium oxide: a theoretical study of catalytic detoxification of a chemical warfare agent

2015 ◽  
Vol 17 (31) ◽  
pp. 20231-20249 ◽  
Author(s):  
Chandan Sahu ◽  
Deepanwita Ghosh ◽  
Kaushik Sen ◽  
Abhijit K. Das

A computational study of the degradation of DMPT on the nano-crystalline MgO surface by NH3.

ACS Omega ◽  
2020 ◽  
Vol 5 (4) ◽  
pp. 1822-1831
Author(s):  
Shëyhaane A. Emambocus ◽  
Lydia Rhyman ◽  
Ponnadurai Ramasami

RSC Advances ◽  
2017 ◽  
Vol 7 (60) ◽  
pp. 38069-38076 ◽  
Author(s):  
Mark R. Sambrook ◽  
Jack C. Vincent ◽  
Jayne A. Ede ◽  
Ian A. Gass ◽  
Peter J. Cragg

The inclusion complexation of the Chemical Warfare Agent soman (GD) by β-cyclodextrin is studied by both experimental and computational approaches.


2009 ◽  
Vol 28 (2) ◽  
pp. 177-182 ◽  
Author(s):  
Md Abdul Shafeeuulla Khan ◽  
Manoj K. Kesharwani ◽  
Tusar Bandyopadhyay ◽  
Bishwajit Ganguly

1987 ◽  
Author(s):  
Lou A. Stephenson ◽  
Margaret A. Kolka ◽  
Anne E. Allan ◽  
William R. Santee

2007 ◽  
Author(s):  
Mark D. Brickhouse ◽  
Teri A. Lalain ◽  
Terrence G. D'Onofrio ◽  
Lawrence R. Procell ◽  
Zachary B. Zander

2021 ◽  
Vol 114 ◽  
pp. 110935
Author(s):  
Suhui Wang ◽  
Xu Zhang ◽  
Genwei Zhang ◽  
Tengxiao Guo ◽  
Xuequan Ding

2021 ◽  
Vol 4 (1) ◽  
Author(s):  
Shengqiang Fan ◽  
Genevieve H. Dennison ◽  
Nicholas FitzGerald ◽  
Paul L. Burn ◽  
Ian R. Gentle ◽  
...  

AbstractA common feature of fluorescent sensing materials for detecting chemical warfare agents (CWAs) and simulants is the presence of nitrogen-based groups designed to nucleophilically displace a phosphorus atom substituent, with the reaction causing a measurable fluorescence change. However, such groups are also basic and so sensitive to acid. In this study we show it is critical to disentangle the response of a candidate sensing material to acid and CWA simulant. We report that pyridyl-containing sensing materials designed to react with a CWA gave a strong and rapid increase in fluorescence when exposed to Sarin, which is known to contain hydrofluoric acid. However, when tested against acid-free diethylchlorophosphate and di-iso-propylfluorophosphate, simulants typically used for evaluating novel G-series CWA sensors, there was no change in the fluorescence. In contrast, simulants that had been stored or tested under a standard laboratory conditions all led to strong changes in fluorescence, due to acid impurities. Thus the results provide strong evidence that care needs to be taken when interpreting the results of fluorescence-based solid-state sensing studies of G-series CWAs and their simulants. There are also implications for the application of these pyridyl-based fluorescence and other nucleophilic/basic sensing systems to real-world CWA detection.


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