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Showing 1 to 12 of 120 entries
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Food limitation in a wild cyclopoid copepod population: direct and indirect life history responses.

Oecologia

Hansen AM, Hairston NG.
PMID: 28308422
Oecologia. 1998 Jul;115(3):320-330. doi: 10.1007/s004420050523.

We studied the effects of food limitation on the population dynamics of the freshwater cyclopoid copepod Diacyclops thomasi in Oneida Lake, New York. In the field population, maximum juvenile abundance coincided seasonally with high phytoflagellate concentration. During the clear-water...

Authenticity of raspberry flavor in food products using SPME-chiral-GC-MS.

Food science & nutrition

Hansen AM, Frandsen HL, Fromberg A.
PMID: 27247764
Food Sci Nutr. 2015 Oct 26;4(3):348-54. doi: 10.1002/fsn3.296. eCollection 2016 May.

A fast and simple method for authenticating raspberry flavors from food products was developed. The two enantiomers of the compound (E)-α-ionone from raspberry flavor were separated on a chiral gas chromatographic column. Based on the ratio of these two...

Can decarbonylation of acyl radicals be overcome in radical addition reactions? En route to a solution employing N-acyl oxazolidinones and SmI2/H2O.

Journal of the American Chemical Society

Jensen CM, Lindsay KB, Taaning RH, Karaffa J, Hansen AM, Skrydstrup T.
PMID: 15869270
J Am Chem Soc. 2005 May 11;127(18):6544-5. doi: 10.1021/ja050420u.

The application of acyl radicals in radical addition reactions in the absence of a CO atmosphere is generally limited to aryl or alpha-unsubstituted alkyl acyl radicals due to competing decarbonylations where the rate constant for this degradation process surpasses...

Direct observation of sub-Poissonian number statistics in a degenerate bose gas.

Physical review letters

Chuu CS, Schreck F, Meyrath TP, Hanssen JL, Price GN, Raizen MG.
PMID: 16486319
Phys Rev Lett. 2005 Dec 31;95(26):260403. doi: 10.1103/PhysRevLett.95.260403. Epub 2005 Dec 21.

We report the direct observation of sub-Poissonian number fluctuation for a degenerate Bose gas confined in an optical trap. Reduction of number fluctuations below the Poissonian limit is observed for average numbers that range from 300 to 60 atoms.

Infrared surface-wave interferometry on W(100).

Optics letters

Hanssen LM, Riffe DM, Sievers AJ.
PMID: 19738758
Opt Lett. 1986 Dec 01;11(12):782-4. doi: 10.1364/ol.11.000782.

An IR grating on a clean W(100) surface is shown to generate both homogeneous and inhomogeneous surface electromagnetic waves. An observed interference between these two components, which can be described in terms of a two-beam interferometer with variable arm...

Surgical Techniques for Staged Revision of the Chronically Infected Total Knee Arthroplasty.

Surgical technology international

Fitzgerald SJ, Hanssen AD.
PMID: 22504993
Surg Technol Int. 2011 Dec;21:204-11.

Infection after total knee arthroplasty is a rare yet devastating complication requiring multiple hospitalizations, operations, and outpatient visits placing a significant burden on both patient and treating surgeon. Two-stage exchange protocols for the treatment of the chronically infected total...

Educating for community-based practice: a collaborative strategy.

Occupational therapy in health care

Muñoz JP, Provident IM, Hansen AM.
PMID: 23944674
Occup Ther Health Care. 2004;18(1):151-69. doi: 10.1080/J003v18n01_15.

SUMMARY This paper describes creative instruction strategies that prepare students for community-based practice. These educational innovations are designed to prepare graduates to understand occupation-based service delivery in community settings, to develop community-built programs that are responsive to community needs,...

Experimental observation of extremely weak optical scattering from an interlocking carbon nanotube array.

Applied optics

Yang ZP, Hsieh ML, Bur JA, Ci L, Hanssen LM, Wilthan B, Ajayan PM, Lin SY.
PMID: 21532663
Appl Opt. 2011 May 01;50(13):1850-5. doi: 10.1364/AO.50.001850.

We experimentally demonstrate a nearly wavelength-independent optical reflection from an extremely rough carbon nanotube sample. The sample is made of a vertically aligned nanotube array, is a super dark material, and exhibits a near-perfect blackbody emission at T=450 K-600...

Observation of audio-frequency edge magnetoplasmons in the classical two-dimensional electron gas.

Physical review letters

Fozooni P, Jacobs WP, Janssen AM, Lea MJ, Peters PJ, Stone AO, van der Heijden RW.
PMID: 10044364
Phys Rev Lett. 1991 Oct 14;67(16):2199-2202. doi: 10.1103/PhysRevLett.67.2199.

No abstract available.

Ocean acidification ameliorates harmful effects of warming in primary consumer.

Ecology and evolution

Pedersen SA, Hanssen AE.
PMID: 29321880
Ecol Evol. 2017 Nov 29;8(1):396-404. doi: 10.1002/ece3.3526. eCollection 2018 Jan.

Climate change-induced warming and ocean acidification are considered two imminent threats to marine biodiversity and current ecosystem structures. Here, we have for the first time examined an animal's response to a complete life cycle of exposure to co-occurring warming...

Preserved endothelial function in young adults with type 1 diabetes.

PloS one

Heier M, Espeland CN, Brunborg C, Seljeflot I, Margeirsdottir HD, Hanssen KF, Fugelseth D, Dahl-Jørgensen K.
PMID: 30359432
PLoS One. 2018 Oct 25;13(10):e0206523. doi: 10.1371/journal.pone.0206523. eCollection 2018.

BACKGROUND AND AIM: Endothelial dysfunction is involved in the pathogenesis of atherosclerosis and is typically present in older adults with type 1 diabetes (T1D). In young adults, we aimed to assess the impact of T1D on endothelial function as...

Porous Tantalum Femoral Metaphyseal Cones for Large Femoral Bone Defects in Revision Total Knee Arthroplasty.

JBJS essential surgical techniques

Nikolaus OB, Abdel MP, Hanssen AD, Lewallen DG.
PMID: 30233952
JBJS Essent Surg Tech. 2017 Jun 14;7(2):e17. doi: 10.2106/JBJS.ST.16.00096. eCollection 2017 Jun 28.

No abstract available.

Showing 1 to 12 of 120 entries