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High tropical net diversification drives the New World latitudinal gradient in palm (Arecaceae) species richness

STEM and diversification

Bjorholm S, Borchsenius F, Svenning JC.
GSID: kb_b5rTz0TEJ
JC Svenning, F Borchsenius, S Bjorholm… - Journal of …, 2008 - Wiley Online Library

… and geographical effects on diversification may have varied across time periods, we analysed several alternative measures of mean lineage net diversification, emphasizing different …

Doppler splitting of In-flight auger decay of dissociating oxygen molecules: the localization of delocalized core holes.

Physical review letters

Bjorneholm O, Bassler M, Ausmees A, Hjelte I, Feifel R, Wang H, Miron C, Piancastelli MN, Svensson S, Sorensen SL, Gel'mukhanov F, Agren H.
PMID: 11018952
Phys Rev Lett. 2000 Mar 27;84(13):2826-9. doi: 10.1103/PhysRevLett.84.2826.

By exploiting the core-excitation-induced dissociation of O2, we find that the Auger emission exhibits a Doppler-like energy shift. We show this to be a manifestation of localization of the core hole and propose that the problem of core-hole localization...

Tetrathiafulvaleno-Annelated Porphyrins We gratefully acknowledge financial support from Carlsbergfondet and Bengt Lundquists Minnesfond for a post-doctoral position to T. B., the University of Odense for a Ph.D. scholarship to J. O. J. and the French Embassy Copenhagen for a travel grant to J. B. We thank HASYLAB at DESY, Hamburg for beam time at beam line BW1 and DANSYNC for financial support. The gift of Jan Skov Peterson's FORTRAN program LSQREFL is gratefully acknowledged. Finally, we thank.

Angewandte Chemie (International ed. in English)

Becher J, Brimert T, Jeppesen JO, Pedersen JZ, Zubarev R, Bjørnholm T, Reitzel N, Jensen TR, Kjaer K, Levillain E.
PMID: 11443677
Angew Chem Int Ed Engl. 2001 Jul 02;40(13):2497-2500.

No abstract available.

Detection of radon emission at the edges of lunar maria with the apollo alpha-particle spectrometer.

Science (New York, N.Y.)

Gorenstein P, Golub L, Bjorkholm P.
PMID: 17781931
Science. 1974 Feb 01;183(4123):411-3. doi: 10.1126/science.183.4123.411.

The distribution of radioactive polonium-210, a decay product of radon-222, shows enhanced concentrations at the edges of lunar maria. Enhancements are seen at the edges of Mare Fecunditatis, Mare Crisium, Mare Smythii. Mare Tranquillitatis, Mare Nubium, Mare Cognitum, and...

Langmuir-blodgett films of a functionalized molecule with cross-sectional mismatch between head and tail.

Science (New York, N.Y.)

Garnaes J, Larsen NB, Bjørnholm T, Jørgensen M, Kjaer K, Als-Nielsen J, Jørgensen JF, Zasadzinski JA.
PMID: 17780847
Science. 1994 May 27;264(5163):1301-4. doi: 10.1126/science.264.5163.1301.

A functionalized surfactant has been investigated as floating monolayers by synchrotron x-ray diffraction and as bilayers transferred to solid supports by the Langmuir-Blodgett technique through atomic force microscopy. The transfer process is accompanied by an increase of the unit...

Detection of radon emanation from the crater aristarchus by the apollo 15 alpha particle spectrometer.

Science (New York, N.Y.)

Gorenstein P, Bjorkholm P.
PMID: 17806295
Science. 1973 Feb 23;179(4075):792-4. doi: 10.1126/science.179.4075.792.

The alpha particle spectrometer aboard the Apollo 15 command/service module was designed to detect alpha particles from radon decay and to locate regions with unusual activity on the moon. A significant increase in radon-222 activity was detected from a...

Electronic excitations of a single molecule contacted in a three-terminal configuration.

Nano letters

Osorio EA, O'Neill K, Wegewijs M, Stuhr-Hansen N, Paaske J, Bjørnholm T, van der Zant HS.
PMID: 17941679
Nano Lett. 2007 Nov;7(11):3336-42. doi: 10.1021/nl0715802. Epub 2007 Oct 17.

Low-temperature three-terminal transport measurements through a thiol end-capped pi-conjugated molecule have been carried out. Electronic excitations, including zero and finite-bias Kondo-effects, have been observed and studied as a function of magnetic field. Using a simplified two-orbital model, we have...

Evidence of strong hydration and significant tilt of amphiphilic [2]rotaxane molecules in Langmuir films studied by synchrotron X-ray reflectivity.

The journal of physical chemistry. B

Nørgaard K, Jeppesen JO, Laursen BW, Simonsen JB, Weygand MJ, Kjaer K, Stoddart JF, Bjørnholm T.
PMID: 16851060
J Phys Chem B. 2005 Jan 27;109(3):1063-6. doi: 10.1021/jp0448494.

Surface sensitive X-ray techniques have been used to elucidate the structures of amphiphilic [2]rotaxane and dumbbell monolayers at the air/water interface. The [2]rotaxanes were found to adopt highly hydrated tilted and/or folded conformations on the water surface largely due...

Population of triaxial rotor levels in 182Os.

Physical review letters

Aberg S, Azgui F, Back BB, Bjornholm S, Borggreen J, Diebel M, Emling H, Grein H, Pedersen J, Seiler-Clark G, Sletten G, Spreng W, Walker P, Wollersheim HJ.
PMID: 10031475
Phys Rev Lett. 1985 Jan 28;54(4):306-308. doi: 10.1103/PhysRevLett.54.306.

No abstract available.

Hole filling and pair breaking by Pr ions in YBa2Cu3O6.95+/-0.02.

Physical review letters

Bjornholm T, Maple MB, Neumeier JJ, Schuller IK.
PMID: 10040908
Phys Rev Lett. 1989 Nov 27;63(22):2516-2519. doi: 10.1103/PhysRevLett.63.2516.

No abstract available.

Rapidly changing myeloma epidemiology in the general population: Increased incidence, older patients, and longer survival.

European journal of haematology

Turesson I, Bjorkholm M, Blimark CH, Kristinsson S, Velez R, Landgren O.
PMID: 29676004
Eur J Haematol. 2018 Apr 20; doi: 10.1111/ejh.13083. Epub 2018 Apr 20.

The incidence of multiple myeloma is characterized by a steep increase with advancing age. Dramatic improvements in survival have been reported in clinical trials; however, elderly patients are generally underrepresented in these. The aims of this study are to...

Novel synthesis of protected thiol end-capped stilbenes and oligo(phenylenevinylene)s (OPVs).

The Journal of organic chemistry

Stuhr-Hansen N, Christensen JB, Harrit N, Bjørnholm T.
PMID: 12585865
J Org Chem. 2003 Feb 21;68(4):1275-82. doi: 10.1021/jo0263770.

The first general procedures for preparation of thiol end-capped stilbenes and oligo(phenylenevinylene)s (OPVs) with tert-butyl- and acetyl-protected thiol termini have been developed. These reactions proceed via Br/Li exchange, McMurry, and Wittig-type reactions. The thiol functionality is protected against strong...

Showing 1 to 12 of 61 entries