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Showing 13 to 24 of 590 entries
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Predicted superconductive properties of lithium under pressure.

Physical review letters

Christensen NE, Novikov DL.
PMID: 11290267
Phys Rev Lett. 2001 Feb 26;86(9):1861-4. doi: 10.1103/PhysRevLett.86.1861.

A superconducting state of lithium has not been found at ambient pressure, but the present theoretical work shows that high values of the critical temperature, T(c), may be expected for some high-pressure phases. Ab initio electronic structure calculations are...

The effect of long-term mercury pollution on the soil microbial community.

FEMS microbiology ecology

Müller AK, Westergaard K, Christensen S, Sørensen SJ.
PMID: 11377769
FEMS Microbiol Ecol. 2001 Jun;36(1):11-19. doi: 10.1111/j.1574-6941.2001.tb00821.x.

The effect of long-term exposure to mercury on the soil microbial community was investigated in soil from three different sites along a pollution gradient. The amount of total and bioavailable mercury was negatively correlated to the distance from the...

W/SiC x-ray multilayers optimized for use above 100 keV.

Applied optics

Windt DL, Donguy S, Hailey CJ, Koglin J, Honkimaki V, Ziegler E, Christensen FE, Chen H, Harrison FA, Craig WW.
PMID: 12737477
Appl Opt. 2003 May 01;42(13):2415-21. doi: 10.1364/ao.42.002415.

We have developed a new depth-graded multilayer system comprising W and SiC layers, suitable for use as hard x-ray reflective coatings operating in the energy range 100-200 keV. Grazing-incidence x-ray reflectance at E = 8 keV was used to...

Emotional factors with eye patients.

The Journal-lancet

CHRISTENSEN LE.
PMID: 13810094
J Lancet. 1960 Jun;80:283-5.

No abstract available.

The interdependence of behavioral and somatic health: implications for conceptualizing health and measuring treatment outcomes.

International journal of integrated care

Labrie RA, Laplante DA, Peller AJ, Christensen DE, Greenwood KL, Straus JH, Garmon MS, Browne C, Shaffer HJ.
PMID: 17627294
Int J Integr Care. 2007 May 16;7:e10. doi: 10.5334/ijic.192.

PURPOSE: The interdependence of behavioral and somatic aspects of various health conditions warrants greater emphasis on an integrated care approach.THEORY: We propose that integrated approaches to health and wellness require comprehensive and empirically-valid outcome measures to assess quality of...

Characterization of a novel heart and respiratory rate sensor.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference

Jacobs J, Embree P, Glei M, Christensen S, Sullivan P.
PMID: 17272168
Conf Proc IEEE Eng Med Biol Soc. 2004;2004:2223-6. doi: 10.1109/IEMBS.2004.1403648.

Existing methods of electronic patient monitoring require tethering the patient to the device, which is not well tolerated. This study characterizes the performance of a novel sensor array and digital signal processing (DSP) algorithms that extract heart and respiratory...

Experimental and ab initio study of the HO2.CH3OH complex: thermodynamics and kinetics of formation.

The journal of physical chemistry. A

Christensen LE, Okumura M, Hansen JC, Sander SP, Francisco JS.
PMID: 16722709
J Phys Chem A. 2006 Jun 01;110(21):6948-59. doi: 10.1021/jp056579a.

Near-infrared spectroscopy was used to monitor HO2 formed by pulsed laser photolysis of Cl2-O2-CH3OH-N2 mixtures. On the microsecond time scale, [HO2] exhibited a time dependence consistent with a mechanism in which [HO2] approached equilibrium via HO2 + HO2.CH3OH (3,...

Direct observation of laser filamentation in high-order harmonic generation.

Optics letters

Painter JC, Adams M, Brimhall N, Christensen E, Giraud G, Powers N, Turner M, Ware M, Peatross J.
PMID: 17099753
Opt Lett. 2006 Dec 01;31(23):3471-3. doi: 10.1364/ol.31.003471.

We investigate the spatial evolution of a laser pulse used to generate high-order harmonics (orders ranging from 45 to 91) in a semi-infinite helium-filled gas cell. The 5 mJ, 30 fs laser pulses experience elongated focusing with two distinct...

A germanate built from a 6(8)12(6) cavity cotemplated by an (H2O)16 cluster and 2-methylpiperazine.

Angewandte Chemie (International ed. in English)

Pan Q, Li J, Christensen KE, Bonneau C, Ren X, Shi L, Sun J, Zou X, Li G, Yu J, Xu R.
PMID: 18729124
Angew Chem Int Ed Engl. 2008;47(41):7868-71. doi: 10.1002/anie.200801375.

No abstract available.

Surgical imaging systems.

Surgical technology international

Vannier MW, Marsh JL, Wang G, Christensen GE, Kane AA.
PMID: 15858714
Surg Technol Int. 1996;5:35-42.

Imaging i.n.surgery. is used for diagnosis, planning, intraoperative navigation and post-operative evaluation, DIgItal medical imaging modalities mclude computed tomography (CT), magnetic resonance Imaging (MRI), MR therapy (MRT), fluoroscopy and ultrasound.t These modalities are applied singly or jointly (multimodality) Surgical...

Ophthalmology-epitomes of progress: glaucoma and ocular hypertension.

The Western journal of medicine

Christensen RE.
PMID: 18748207
West J Med. 1978 May;128(5):430-1.

No abstract available.

Partial Chemical and Physical Characterization of Two Extracellular Polysaccharides Produced by Marine, Periphytic Pseudomonas sp. Strain NCMB 2021.

Applied and environmental microbiology

Christensen BE, Kjosbakken J, Smidsrød O.
PMID: 16346916
Appl Environ Microbiol. 1985 Oct;50(4):837-45. doi: 10.1128/aem.50.4.837-845.1985.

The marine bacterium Pseudomonas sp. strain NCMB 2021, which can attach to solid, and especially hydrophobic, surfaces, elaborates two different extracellular polysaccharides in batch cultures. One (polysaccharide A) was produced only during exponential growth and contained glucose, galactose, glucuronic...

Showing 13 to 24 of 590 entries