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Showing 1 to 12 of 493 entries
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Isomerization of metastable amine radical cations by dissociation-recombination.

European journal of mass spectrometry (Chichester, England)

Pedersen AH, Nielson CB, Bojesen G, Hammerum S.
PMID: 26307742
Eur J Mass Spectrom (Chichester). 2015;21(3):635-9. doi: 10.1255/ejms.1342.

The metastable molecular ions of primary aliphatic amines branched at C2 can isomerize by cleavage-recombination, thereby facilitating fragmentation reactions that require less energy than simple cleavage of the initial molecular ion. This process complements the reactions described by Audier...

A rare cause of hemosuccus pancreaticus diagnosed with endoscopic ultrasound.

Endoscopic ultrasound

Pham K, Pedersen G, Halvorsen H, Jã Ssang D, Havre R, Dimcevski G.
PMID: 26425520
Endosc Ultrasound. 2014 Apr;3:S17-8.

INTRODUCTION: Hemosuccus pancreaticus (HP), hemorrhage from the papilla of Vater through the pancreatic duct (PD), is a rare cause of upper gastrointestinal bleeding. It may be caused by chronic pancreatitis, pseudoaneurism and pancreatic tumors. Only 2% of HP involves...

Analytical gradients of the state-average complete active space self-consistent field method with density fitting.

The Journal of chemical physics

Delcey MG, Pedersen TB, Aquilante F, Lindh R.
PMID: 26233110
J Chem Phys. 2015 Jul 28;143(4):044110. doi: 10.1063/1.4927228.

An efficient implementation of the state-averaged complete active space self-consistent field (SA-CASSCF) gradients employing density fitting (DF) is presented. The DF allows a reduction both in scaling and prefactors of the different steps involved. The performance of the algorithm...

Controlled electropolymerisation of a carbazole-functionalised iron porphyrin electrocatalyst for CO2 reduction.

Chemical communications (Cambridge, England)

Hu XM, Salmi Z, Lillethorup M, Pedersen EB, Robert M, Pedersen SU, Skrydstrup T, Daasbjerg K.
PMID: 27050903
Chem Commun (Camb). 2016 Apr 30;52(34):5864-7. doi: 10.1039/c6cc00982d. Epub 2016 Apr 06.

Using a one-step electropolymerisation procedure, CO2 absorbing microporous carbazole-functionalised films of iron porphyrins are prepared in a controlled manner. The electrocatalytic reduction of CO2 for these films is investigated to elucidate their efficiency and the origin of their ultimate...

New high-throughput measurement systems for radioactive wastes segregation and free release.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine

Suran J, Kovar P, Smoldasova J, Solc J, Skala L, Arnold D, Jerome S, de Felice P, Pedersen B, Bogucarska T, Tzika F, van Ammel R.
PMID: 29040881
Appl Radiat Isot. 2017 Dec;130:252-259. doi: 10.1016/j.apradiso.2017.09.043. Epub 2017 Sep 28.

This paper addresses the measurement facilities for pre-selection of waste materials prior to measurement for repository acceptance or possible free release (segregation measurement system); and free release (free release measurement system), based on a single standardized concept characterized by...

Xeroderma Pigmentosum-Trichothiodystrophy overlap patient with novel XPD/ERCC2 mutation.

Rare diseases (Austin, Tex.)

Kralund HH, Ousager L, Jaspers NG, Raams A, Pedersen EB, Gade E, Bygum A.
PMID: 25002996
Rare Dis. 2013 May 06;1:e24932. doi: 10.4161/rdis.24932. eCollection 2013.

Xeroderma Pigmentosum (XP), Trichothiodystrophy (TTD) and Cockayne Syndrome (CS) are rare, recessive disorders caused by mutational defects in the Nucleotide Excision Repair (NER) pathway and/or disruption of basic cellular DNA transcription. To date, a multitude of mutations in the...

Identification of conserved, centrosome-targeting ASH domains in TRAPPII complex subunits and TRAPPC8.

Cilia

Schou KB, Morthorst SK, Christensen ST, Pedersen LB.
PMID: 25018876
Cilia. 2014 Jun 18;3:6. doi: 10.1186/2046-2530-3-6. eCollection 2014.

BACKGROUND: Assembly of primary cilia relies on vesicular trafficking towards the cilium base and intraflagellar transport (IFT) between the base and distal tip of the cilium. Recent studies have identified several key regulators of these processes, including Rab GTPases...

Expression Patterns and Correlations with Metabolic Markers of Zinc Transporters .

Frontiers in endocrinology

Maxel T, Svendsen PF, Smidt K, Lauridsen JK, Brock B, Pedersen SB, Rungby J, Larsen A.
PMID: 28303117
Front Endocrinol (Lausanne). 2017 Mar 02;8:38. doi: 10.3389/fendo.2017.00038. eCollection 2017.

Polycystic ovary syndrome (PCOS) is associated with infertility, increased androgen levels, and insulin resistance. In adipose tissue, zinc facilitates insulin signaling. Circulating zinc levels are altered in obesity, diabetes, and PCOS; and zinc supplementation can ameliorate metabolic disturbances in...

Gradual caldera collapse at Bárdarbunga volcano, Iceland, regulated by lateral magma outflow.

Science (New York, N.Y.)

Gudmundsson MT, Jónsdóttir K, Hooper A, Holohan EP, Halldórsson SA, Ófeigsson BG, Cesca S, Vogfjörd KS, Sigmundsson F, Högnadóttir T, Einarsson P, Sigmarsson O, Jarosch AH, Jónasson K, Magnússon E, Hreinsdóttir S, Bagnardi M, Parks MM, Hjörleifsdóttir V, Pálsson F, Walter TR, Schöpfer MP, Heimann S, Reynolds HI, Dumont S, Bali E, Gudfinnsson GH, Dahm T, Roberts MJ, Hensch M, Belart JM, Spaans K, Jakobsson S, Gudmundsson GB, Fridriksdóttir HM, Drouin V, Dürig T, Aðalgeirsdóttir G, Riishuus MS, Pedersen GB, van Boeckel T, Oddsson B, Pfeffer MA, Barsotti S, Bergsson B, Donovan A, Burton MR, Aiuppa A.
PMID: 27418515
Science. 2016 Jul 15;353(6296):aaf8988. doi: 10.1126/science.aaf8988.

Large volcanic eruptions on Earth commonly occur with a collapse of the roof of a crustal magma reservoir, forming a caldera. Only a few such collapses occur per century, and the lack of detailed observations has obscured insight into...

On Resolution-of-the-Identity Electron Repulsion Integral Approximations and Variational Stability.

Journal of chemical theory and computation

Wirz LN, Reine SS, Pedersen TB.
PMID: 28873316
J Chem Theory Comput. 2017 Oct 10;13(10):4897-4906. doi: 10.1021/acs.jctc.7b00801. Epub 2017 Sep 25.

The definiteness of the Mulliken and Dirac electron repulsion integral (ERI) matrices is examined for different classes of resolution-of-the-identity (RI) ERI approximations with particular focus on local fitting techniques. For global RI, robust local RI, and nonrobust local RI...

Hexahalorhenate(iv) salts of metal oxazolidine nitroxides.

Dalton transactions (Cambridge, England : 2003)

Pedersen AH, Geoghegan BL, Nichol GS, Lupton DW, Murray KS, Martínez-Lillo J, Gass IA, Brechin EK.
PMID: 28374882
Dalton Trans. 2017 Apr 19;46(16):5250-5259. doi: 10.1039/c7dt00752c.

Eight coordination compounds of formulae [Fe

Fagaceae pollen from the early Cenozoic of West Greenland: revisiting Engler's and Chaney's Arcto-Tertiary hypotheses.

Plant systematics and evolution = Entwicklungsgeschichte und Systematik der Pflanzen

Grímsson F, Zetter R, Grimm GW, Pedersen GK, Pedersen AK, Denk T.
PMID: 25620836
Plant Syst Evol. 2015;301:809-832. doi: 10.1007/s00606-014-1118-5. Epub 2014 Aug 02.

In this paper we document Fagaceae pollen from the Eocene of western Greenland. The pollen record suggests a remarkable diversity of the family in the early Cenozoic of Greenland. Extinct Fagaceae pollen types include

Showing 1 to 12 of 493 entries