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Showing 1 to 12 of 28 entries
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Generation of neutral atomic beams utilizing photodetachment by high power diode laser stacks.

The Review of scientific instruments

O'Connor AP, Grussie F, Bruhns H, de Ruette N, Koenning TP, Miller KA, Savin DW, Stützel J, Urbain X, Kreckel H.
PMID: 26628128
Rev Sci Instrum. 2015 Nov;86(11):113306. doi: 10.1063/1.4934873.

We demonstrate the use of high power diode laser stacks to photodetach fast hydrogen and carbon anions and produce ground term neutral atomic beams. We achieve photodetachment efficiencies of ∼7.4% for H(-) at a beam energy of 10 keV...

The evolution of the coniferous seed scale.

Annals of botany

Herting J, Stützel T.
PMID: 34932788
Ann Bot. 2021 Dec 21; doi: 10.1093/aob/mcab154. Epub 2021 Dec 21.

BACKGROUND: The Florin model is the commonly accepted theory of coniferous seed scale evolution. It describes the derivation of extant seed scale morphology from the morphology of fossil conifers via the reduction of complex to simple axillary structures. In...

A Large-Scale Experimental Evaluation of High-Performing Multi- and Many-Objective Evolutionary Algorithms.

Evolutionary computation

Bezerra LCT, López-Ibáñez M, Stützle T.
PMID: 29155605
Evol Comput. 2018;26(4):621-656. doi: 10.1162/evco_a_00217. Epub 2017 Nov 20.

Research on multi-objective evolutionary algorithms (MOEAs) has produced over the past decades a large number of algorithms and a rich literature on performance assessment tools to evaluate and compare them. Yet, newly proposed MOEAs are typically compared against very...

Factors associated with medication information in diabetes care: differences in perceptions between patients and health care professionals.

Patient preference and adherence

Längst G, Seidling HM, Stützle M, Ose D, Baudendistel I, Szecsenyi J, Wensing M, Mahler C.
PMID: 26508840
Patient Prefer Adherence. 2015 Oct 14;9:1431-41. doi: 10.2147/PPA.S88357. eCollection 2015.

PURPOSE: This qualitative study in patients with type 2 diabetes and health care professionals (HCPs) aimed to investigate which factors they perceive to enhance or impede medication information provision in primary care. Similarities and differences in perspectives were explored.METHODS:...

Observation of nonspreading wave packets in an imaginary potential.

Physical review letters

Stützle R, Göbel MC, Hörner T, Kierig E, Mourachko I, Oberthaler MK, Efremov MA, Fedorov MV, Yakovlev VP, van Leeuwen KA, Schleich WP.
PMID: 16196985
Phys Rev Lett. 2005 Sep 09;95(11):110405. doi: 10.1103/PhysRevLett.95.110405. Epub 2005 Sep 08.

We propose and experimentally demonstrate a method to prepare a nonspreading atomic wave packet. Our technique relies on a spatially modulated absorption constantly chiseling away from an initially broad de Broglie wave. The resulting contraction is balanced by dispersion...

High temperature and vapor pressure deficit aggravate architectural effects but ameliorate non-architectural effects of salinity on dry mass production of tomato.

Frontiers in plant science

Chen TW, Nguyen TM, Kahlen K, Stützel H.
PMID: 26539203
Front Plant Sci. 2015 Oct 20;6:887. doi: 10.3389/fpls.2015.00887. eCollection 2015.

Tomato (Solanum lycopersicum L.) is an important vegetable crop and often cultivated in regions exposed to salinity and high temperatures (HT) which change plant architecture, decrease canopy light interception and disturb physiological functions. However, the long-term effects of salinity...

Biodiversity in European agricultural landscapes: transformative societal changes needed.

Trends in ecology & evolution

Mupepele AC, Bruelheide H, Brühl C, Dauber J, Fenske M, Freibauer A, Gerowitt B, Krüß A, Lakner S, Plieninger T, Potthast T, Schlacke S, Seppelt R, Stützel H, Weisser W, Wägele W, Böhning-Gaese K, Klein AM.
PMID: 34563404
Trends Ecol Evol. 2021 Dec;36(12):1067-1070. doi: 10.1016/j.tree.2021.08.014. Epub 2021 Sep 22.

Reversing the decline of biodiversity in European agricultural landscapes is urgent. We suggest eight measures addressing politics, economics, and civil society to instigate transformative changes in agricultural landscapes. We emphasize the need for a well-informed society and political measures...

Quantum features in atomic nanofabrication using exactly resonant standing waves.

Physical review letters

Jürgens D, Greiner A, Stützle R, Habenicht A, te Sligte E, Oberthaler MK.
PMID: 15601201
Phys Rev Lett. 2004 Dec 03;93(23):237402. doi: 10.1103/PhysRevLett.93.237402. Epub 2004 Nov 29.

We report on the first fabrication of nanostructures with exactly resonant light revealing the quantum character of the atom-light interaction. Classically the formation of nanostructures is not expected; thus, the observed formation of complex periodic line patterns can be...

Hot water molecules from dissociative recombination of D3O+ with cold electrons.

Physical review letters

Buhr H, Stützel J, Mendes MB, Novotný O, Schwalm D, Berg MH, Bing D, Grieser M, Heber O, Krantz C, Menk S, Novotny S, Orlov DA, Petrignani A, Rappaport ML, Repnow R, Zajfman D, Wolf A.
PMID: 20867518
Phys Rev Lett. 2010 Sep 03;105(10):103202. doi: 10.1103/PhysRevLett.105.103202. Epub 2010 Sep 03.

Individual product channels in the dissociative recombination of deuterated hydronium ions and cold electrons are studied in an ion storage ring by velocity imaging using spatial and mass-sensitive detection of the neutral reaction fragments. Initial and final molecular excitation...

High-throughput method for detection and quantification of lesions on leaf scale based on trypan blue staining and digital image analysis.

Plant methods

Mulaosmanovic E, Lindblom TUT, Bengtsson M, Windstam ST, Mogren L, Marttila S, Stützel H, Alsanius BW.
PMID: 32391069
Plant Methods. 2020 May 04;16:62. doi: 10.1186/s13007-020-00605-5. eCollection 2020.

BACKGROUND: Field-grown leafy vegetables can be damaged by biotic and abiotic factors, or mechanically damaged by farming practices. Available methods to evaluate leaf tissue damage mainly rely on colour differentiation between healthy and damaged tissues. Alternatively, sophisticated equipment such...

Ultraviolet and visible light photodissociation of H3+ in an ion storage ring.

The journal of physical chemistry. A

Petrignani A, Bing D, Novotný O, Berg MH, Buhr H, Grieser M, Jordon-Thaden B, Krantz C, Mendes MB, Menk S, Novotny S, Orlov DA, Repnow R, Stützel J, Urbain X, Wolf A.
PMID: 20099872
J Phys Chem A. 2010 Apr 15;114(14):4864-9. doi: 10.1021/jp9104163.

Ultraviolet and visible photodissociation of a vibrationally excited H(3)(+) ion beam, as produced by standard ion sources, was successfully implemented in an ion storage ring with the aim of investigating the decay of the excited molecular levels. A collinear...

Correction: Unraveling the genetic complexity underlying sorghum response to water availability.

PloS one

Phuong N, Afolayan G, Stützel H, Uptmoor R, El-Soda M.
PMID: 31527886
PLoS One. 2019 Sep 17;14(9):e0222859. doi: 10.1371/journal.pone.0222859. eCollection 2019.

[This corrects the article DOI: 10.1371/journal.pone.0215515.].

Showing 1 to 12 of 28 entries