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Highly functionalized organic nitrates in the southeast United States: Contribution to secondary organic aerosol and reactive nitrogen budgets.

Proceedings of the National Academy of Sciences of the United States of America

Lee BH, Mohr C, Lopez-Hilfiker FD, Lutz A, Hallquist M, Lee L, Romer P, Cohen RC, Iyer S, Kurtén T, Hu W, Day DA, Campuzano-Jost P, Jimenez JL, Xu L, Ng NL, Guo H, Weber RJ, Wild RJ, Brown SS, Koss A, de Gouw J, Olson K, Goldstein AH, Seco R, Kim S, McAvey K, Shepson PB, Starn T, Baumann K, Edgerton ES, Liu J, Shilling JE, Miller DO, Brune W, Schobesberger S, D'Ambro EL, Thornton JA.
PMID: 26811465
Proc Natl Acad Sci U S A. 2016 Feb 09;113(6):1516-21. doi: 10.1073/pnas.1508108113. Epub 2016 Jan 25.

Speciated particle-phase organic nitrates (pONs) were quantified using online chemical ionization MS during June and July of 2013 in rural Alabama as part of the Southern Oxidant and Aerosol Study. A large fraction of pONs is highly functionalized, possessing...

Computational Study of the Clustering of a Cyclohexene Autoxidation Product C6H8O7 with Itself and Sulfuric Acid.

The journal of physical chemistry. A

Elm J, Myllys N, Hyttinen N, Kurtén T.
PMID: 26154271
J Phys Chem A. 2015 Jul 30;119(30):8414-21. doi: 10.1021/acs.jpca.5b04040. Epub 2015 Jul 21.

We investigate the molecular interactions between sulfuric acid and a recently reported C6H8O7 ketodiperoxy acid formed through autoxidation from cyclohexene and ozone. Structurally similar but larger ELVOC (extremely low volatility organic compound) products formed from autoxidation of monoterpenes are...

Benchmarking ab initio binding energies of hydrogen-bonded molecular clusters based on FTIR spectroscopy.

The journal of physical chemistry. A

Bork N, Du L, Reiman H, Kurtén T, Kjaergaard HG.
PMID: 24988143
J Phys Chem A. 2014 Jul 17;118(28):5316-22. doi: 10.1021/jp5037537. Epub 2014 Jul 02.

Models of formation and growth of atmospheric aerosols are highly dependent on accurate cluster binding energies. These are most often calculated by ab initio electronic structure methods but remain associated with significant uncertainties. We present a computational benchmarking study...

Atmospheric fate of methyl vinyl ketone: peroxy radical reactions with NO and HO2.

The journal of physical chemistry. A

Praske E, Crounse JD, Bates KH, Kurtén T, Kjaergaard HG, Wennberg PO.
PMID: 25486386
J Phys Chem A. 2015 May 14;119(19):4562-72. doi: 10.1021/jp5107058. Epub 2015 Jan 08.

First generation product yields from the OH-initiated oxidation of methyl vinyl ketone (3-buten-2-one, MVK) under both low and high NO conditions are reported. In the low NO chemistry, three distinct reaction channels are identified leading to the formation of...

Acid-Mediated Formation of Radicals or Baeyer-Villiger Oxidation from Criegee Adducts.

Angewandte Chemie (International ed. in English)

Schweitzer-Chaput B, Kurtén T, Klussmann M.
PMID: 26267787
Angew Chem Int Ed Engl. 2015 Sep 28;54(40):11848-51. doi: 10.1002/anie.201505648. Epub 2015 Aug 12.

The acid-mediated reaction of ketones with hydroperoxides generates radicals, a process with reaction conditions similar to those of the Baeyer-Villiger oxidation but with an outcome resembling the formation of hydroxyl radicals via ozonolysis in the atmosphere. The Baeyer-Villiger oxidation...

Computational Study of Hydrogen Shifts and Ring-Opening Mechanisms in α-Pinene Ozonolysis Products.

The journal of physical chemistry. A

Kurtén T, Rissanen MP, Mackeprang K, Thornton JA, Hyttinen N, Jørgensen S, Ehn M, Kjaergaard HG.
PMID: 26529548
J Phys Chem A. 2015 Nov 19;119(46):11366-75. doi: 10.1021/acs.jpca.5b08948. Epub 2015 Nov 10.

Autoxidation by sequential peroxy radical hydrogen shifts (H-shifts) and O2 additions has recently emerged as a promising mechanism for the rapid formation of highly oxidized, low-volatility organic compounds in the atmosphere. A key prerequisite for autoxidation is that the...

Circular dichroism of 1,3-dioxane-type (2'-naphthyl)methylene acetals of glycosides.

Chirality

Kurtán T, Borbás A, Szabó ZB, Lipták A, Bényei A, Antus S.
PMID: 15034907
Chirality. 2004 May 05;16(4):244-50. doi: 10.1002/chir.20019.

The CD spectra are reported for a series of 1,3-dioxane-type 4,6-O-(2'-naphthyl)methylene acetals of carbohydrates with and without interacting aromatic protective groups on the C-1, C-2, and C-3 hydroxy groups. In the absence of interacting chromophores, the signs of the...

Ab initio and density functional theory reinvestigation of gas-phase sulfuric acid monohydrate and ammonium hydrogen sulfate.

The journal of physical chemistry. A

Kurtén T, Sundberg MR, Vehkamäki H, Noppel M, Blomqvist J, Kulmala M.
PMID: 16737269
J Phys Chem A. 2006 Jun 08;110(22):7178-88. doi: 10.1021/jp0613081.

We have calculated the thermochemical parameters for the reactions H(2)SO(4) + H(2)O H(2)SO(4).H(2)O and H(2)SO(4) + NH(3) H(2)SO(4).NH(3) using the B3LYP and PW91 functionals, MP2 perturbation theory and four different basis sets. Different methods and basis sets yield very...

Monochromator-interferometer combination for submillimeter astronomical spectrometry from aircraft.

Applied optics

Harwit M, Kurtz NT, Russell RW, Smyers S.
PMID: 20372261
Appl Opt. 1981 Nov 01;20(21):3792-6. doi: 10.1364/AO.20.003792.

A simple interferometer placed in front of a liquid helium cooled grating instrument was constructed; we have attained a spectral resolution of ?0.1 cm(-1) in the wavelength range of ~64 cm(-1) (157 microm) during observations from the NASA Kuiper...

Toward a study of culture suitable for (Frontiers in) cultural psychology.

Frontiers in psychology

Kurtiş T, Adams G.
PMID: 23847567
Front Psychol. 2013 Jul 02;4:392. doi: 10.3389/fpsyg.2013.00392. eCollection 2013.

No abstract available.

The formation of highly oxidized multifunctional products in the ozonolysis of cyclohexene.

Journal of the American Chemical Society

Rissanen MP, Kurtén T, Sipilä M, Thornton JA, Kangasluoma J, Sarnela N, Junninen H, Jørgensen S, Schallhart S, Kajos MK, Taipale R, Springer M, Mentel TF, Ruuskanen T, Petäjä T, Worsnop DR, Kjaergaard HG, Ehn M.
PMID: 25283472
J Am Chem Soc. 2014 Nov 05;136(44):15596-606. doi: 10.1021/ja507146s. Epub 2014 Oct 21.

The prompt formation of highly oxidized organic compounds in the ozonolysis of cyclohexene (C6H10) was investigated by means of laboratory experiments together with quantum chemical calculations. The experiments were performed in borosilicate glass flow tube reactors coupled to a...

Detection of compressible and incompressible states in quantum dots and antidots by far-infrared spectroscopy.

Physical review letters

Bollweg K, Eberl K, Grambow P, Gudmundsson V, Heitmann D, Kurth T, Vasiliadou E.
PMID: 10060785
Phys Rev Lett. 1996 Apr 08;76(15):2774-2777. doi: 10.1103/PhysRevLett.76.2774.

No abstract available.

Showing 1 to 12 of 321 entries