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Showing 25 to 36 of 136 entries
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[Recent advances in stable isotope ratio analysis of common explosives].

Se pu = Chinese journal of chromatography

Hu C, Mei H, Guo H, Sun Z, Liu Z, Zhu J.
PMID: 34227757
Se Pu. 2021 Apr 08;39(4):376-383. doi: 10.3724/SP.J.1123.2020.09015.

The ratio of stable isotopes of the elements in explosives differs depending on the raw materials obtained from different geographical sources or the production processes adopted. Hence, this ratio can be used as an important index for the comparison...

Complete equations of state for PETN and its products from atomistic simulations.

Physical chemistry chemical physics : PCCP

Sergeev OV, Mukhanov AE, Murzov SA, Yanilkin AV.
PMID: 33236737
Phys Chem Chem Phys. 2020 Dec 16;22(47):27572-27580. doi: 10.1039/d0cp03648j.

The complete caloric and thermal equations of state for pentaerythritol tetranitrate (PETN) and its decomposition products are developed. The equation for the crystalline state is obtained with quasiharmonic approximation for the vibrational energy, with the force constants being calculated...

Analysis of Chemical Reaction Process after Pentaerythritol Tetranitrate Hot Spot Ignition.

ACS omega

Zhang Y, Li Q, He Y.
PMID: 33225129
ACS Omega. 2020 Nov 04;5(45):28984-28991. doi: 10.1021/acsomega.0c03133. eCollection 2020 Nov 17.

In this paper, ReaxFF force field combined with molecular dynamics method was used to study the ignition, deflagration, and detonation of pentaerythritol tetranitrate (PETN) induced by hot spots. The hot spot is 5.6% of the total volume. When the...

Increased handling sensitivity of molten erythritol tetranitrate (ETN).

Journal of hazardous materials

Lease N, Kay L, Chavez DE, Robbins D, Manner VW.
PMID: 30641424
J Hazard Mater. 2019 Apr 05;367:546-549. doi: 10.1016/j.jhazmat.2018.12.110. Epub 2018 Dec 28.

Erythritol tetranitrate (ETN) is a well-studied homemade explosive (HME), which is known for its ability to be melt-cast at a fairly low temperature. We have observed dramatically increased handling sensitivity of ETN in the molten state, using temperature controlled...

Achieving tunable chemical reactivity through photo-initiation of energetic materials at metal oxide surfaces.

Physical chemistry chemical physics : PCCP

Kuklja MM, Tsyshevsky R, Zverev AS, Mitrofanov A, Ilyakova N, Nurmukhametov DR, Rashkeev SN.
PMID: 33136098
Phys Chem Chem Phys. 2020 Nov 21;22(43):25284-25296. doi: 10.1039/d0cp04069j. Epub 2020 Nov 02.

Known applications of high energy density materials are impressively vast. Despite this, we argue that energetic materials are still underutilized for common energy purposes due to our inability to control explosive chemical reactions releasing energy from these materials. The...

NTP Toxicology and Carcinogenesis Studies of Pentaerythritol Tetranitrate (CAS No. 78-11-5) with 80% D-Lactose Monohydrate (PETN, NF) in F344/N Rats and B6C3F1 Mice (Feed Studies).

National Toxicology Program technical report series

[No authors listed]
PMID: 12692639
Natl Toxicol Program Tech Rep Ser. 1989 Aug;365:1-190.

Pentaerythritol tetranitrate (PETN, NF) is a drug used to prevent angina pectoris. PETN without a lactose stabilizer is used as an explosive. NTP Toxicology and Carcinogenesis studies were conducted by administering PETN, NF, to groups of F344/N rats and...

Laser Initiation of Fe(II) Complexes of 4-Nitro-pyrazolyl Substituted Tetrazine Ligands.

Inorganic chemistry

Myers TW, Brown KE, Chavez DE, Scharff RJ, Veauthier JM.
PMID: 28145693
Inorg Chem. 2017 Feb 20;56(4):2297-2303. doi: 10.1021/acs.inorgchem.6b02998. Epub 2017 Feb 01.

The synthesis and characterization of new 1,2,4-triazolyl and 4-nitro-pyrazolyl substituted tetrazine ligands has been achieved. The strongly electron deficient 1,2,4-triazolyl substituted ligands did not coordinate Fe(II) metal centers, while the mildly electron deficient 4-nitro-pyrazolyl substituted ligands did coordinate Fe(II)...

Energy Transfer Between Coherently Delocalized States in Thin Films of the Explosive Pentaerythritol Tetranitrate (PETN) Revealed by Two-Dimensional Infrared Spectroscopy.

The journal of physical chemistry. B

Ostrander JS, Knepper R, Tappan AS, Kay JJ, Zanni MT, Farrow DA.
PMID: 28099029
J Phys Chem B. 2017 Feb 16;121(6):1352-1361. doi: 10.1021/acs.jpcb.6b09879. Epub 2017 Feb 01.

Pentaerythritol tetranitrate (PETN) is a common secondary explosive and has been used extensively to study shock initiation and energy propagation in energetic materials. We report 2D IR measurements of PETN thin films that resolve vibrational energy transfer and relaxation...

Examining the chemical and structural properties that influence the sensitivity of energetic nitrate esters.

Chemical science

Manner VW, Cawkwell MJ, Kober EM, Myers TW, Brown GW, Tian H, Snyder CJ, Perriot R, Preston DN.
PMID: 29780495
Chem Sci. 2018 Mar 09;9(15):3649-3663. doi: 10.1039/c8sc00903a. eCollection 2018 Apr 21.

The sensitivity of explosives is controlled by factors that span from intrinsic chemical reactivity and chemical intramolecular effects to mesoscale structure and defects, and has been a topic of extensive study for over 50 years. Due to these complex...

Multichannel Detection and Differentiation of Explosives with a Quantum Dot Array.

ACS nano

Peveler WJ, Roldan A, Hollingsworth N, Porter MJ, Parkin IP.
PMID: 26579950
ACS Nano. 2016 Jan 26;10(1):1139-46. doi: 10.1021/acsnano.5b06433. Epub 2015 Nov 24.

The sensing and differentiation of explosive molecules is key for both security and environmental monitoring. Single fluorophores are a widely used tool for explosives detection, but a fluorescent array is a more powerful tool for detecting and differentiating such...

UV Resonance Raman Investigation of Pentaerythritol Tetranitrate Solution Photochemistry and Photoproduct Hydrolysis.

The journal of physical chemistry. A

Gares KL, Bykov SV, Asher SA.
PMID: 28945089
J Phys Chem A. 2017 Oct 19;121(41):7889-7894. doi: 10.1021/acs.jpca.7b07588. Epub 2017 Oct 09.

Ultraviolet resonance Raman spectroscopy (UVRR) is being developed for standoff trace explosives detection. To accomplish this, it is important to develop a deep understanding of the accompanying UV excited photochemistry of explosives, as well as the impact of reactions...

Pentaerythritol tetranitrate (PETN) profiling in post-explosion residues to constitute evidence of crime-scene presence.

Forensic science international

Brust H, van Asten A, Koeberg M, van der Heijden A, Kuijpers CJ, Schoenmakers P.
PMID: 23622790
Forensic Sci Int. 2013 Jul 10;230(1):37-45. doi: 10.1016/j.forsciint.2013.03.042. Epub 2013 Apr 23.

Pentaerythritol tetranitrate (PETN) and its degradation products are analyzed to discriminate between residues originating from PETN explosions and residues obtained under other circumstances, such as natural degradation on textile, or after handling intact PETN. The degradation products observed in...

Showing 25 to 36 of 136 entries