Search Results - (Author, Cooperation:J. Mathis)
-
1K. R. Arrigo ; D. K. Perovich ; R. S. Pickart ; Z. W. Brown ; G. L. van Dijken ; K. E. Lowry ; M. M. Mills ; M. A. Palmer ; W. M. Balch ; F. Bahr ; N. R. Bates ; C. Benitez-Nelson ; B. Bowler ; E. Brownlee ; J. K. Ehn ; K. E. Frey ; R. Garley ; S. R. Laney ; L. Lubelczyk ; J. Mathis ; A. Matsuoka ; B. G. Mitchell ; G. W. Moore ; E. Ortega-Retuerta ; S. Pal ; C. M. Polashenski ; R. A. Reynolds ; B. Schieber ; H. M. Sosik ; M. Stephens ; J. H. Swift
American Association for the Advancement of Science (AAAS)
Published 2012Staff ViewPublication Date: 2012-06-09Publisher: American Association for the Advancement of Science (AAAS)Print ISSN: 0036-8075Electronic ISSN: 1095-9203Topics: BiologyChemistry and PharmacologyComputer ScienceMedicineNatural Sciences in GeneralPhysicsKeywords: Arctic Regions ; Biomass ; Diatoms/growth & development ; *Eutrophication ; *Ice Cover ; Light ; Nitrates/analysis ; Oceans and Seas ; Photosynthesis ; Photosystem II Protein Complex/analysis ; Phytoplankton/*growth & development ; Seawater/chemistryPublished by: -
2Mathis, J. E. ; Compton, R. N.
College Park, Md. : American Institute of Physics (AIP)
Published 1996Staff ViewISSN: 1089-7690Source: AIP Digital ArchiveTopics: PhysicsChemistry and PharmacologyNotes: Single and multiple photon ionization photoelectron spectroscopy of triethylamine (TEA) was studied using a newly developed high-resolution electron spectrometer which utilizes position sensitive detection. The adiabatic ionization potential of TEA was accurately determined using both single (7.47±0.04 eV) and multiphoton (7.53±0.10 eV) ionization photoelectron spectroscopy. Although excitation to both the S1 and S2 states can occur, multiphoton ionization always occurs out of the S1 state. When the cation dissociates, the distribution of photoelectron energies similarly reflects this partitioning between S1 and S2. © 1996 American Institute of Physics.Type of Medium: Electronic ResourceURL: -
3Staff View
ISSN: 0022-4731Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002Topics: BiologyChemistry and PharmacologyType of Medium: Electronic ResourceURL: -
4Vlattas, I. ; Dellureficio, J. ; Cohen, D.S. ; Lee, W. ; Clarke, F. ; Dotson, R. ; Mathis, J. ; Zoganas, H.
Amsterdam : ElsevierStaff ViewISSN: 0960-894XSource: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002Topics: Chemistry and PharmacologyMedicineType of Medium: Electronic ResourceURL: -
5Vlattas, I. ; Dellureficio, J. ; Cohen, D.S. ; Lee, W. ; Clarke, F. ; Dotson, R. ; Mathis, J. ; Zoganas, H.
Amsterdam : ElsevierStaff ViewISSN: 0960-894XSource: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002Topics: Chemistry and PharmacologyMedicineType of Medium: Electronic ResourceURL: -
6Bhagwat, S.S. ; Boswell, C. ; Gude, C. ; Contardo, N. ; Cohen, D.S. ; Mathis, J. ; Dotson, R. ; Lee, W. ; Shetty, S.
Amsterdam : ElsevierStaff ViewISSN: 0960-894XSource: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002Topics: Chemistry and PharmacologyMedicineType of Medium: Electronic ResourceURL: -
7Bhagwat, S.S. ; Roland, D.M. ; Main, A.J. ; Gude, C. ; Grim, K. ; Goldstein, R. ; Cohen, D.S. ; Dotson, R. ; Mathis, J. ; Lee, W.
Amsterdam : ElsevierStaff ViewISSN: 0960-894XSource: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002Topics: Chemistry and PharmacologyMedicineType of Medium: Electronic ResourceURL: -
8Staff View
ISSN: 0301-0104Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002Topics: Chemistry and PharmacologyPhysicsType of Medium: Electronic ResourceURL: -
9Goyal, A. ; List, F. A. ; Mathis, J. ; Paranthaman, M. ; Specht, E. D. ; Norton, D. P. ; Park, C. ; Lee, D. F. ; Kroeger, D. M. ; Christen, D. K. ; Budai, J. D. ; Martin, P. M.
Springer
Published 1998Staff ViewISSN: 1572-9605Keywords: YBa2Cu3O x tapes ; RABiTS ; high critical current densitySource: Springer Online Journal Archives 1860-2000Topics: Electrical Engineering, Measurement and Control TechnologyPhysicsNotes: Abstract Progress in the fabrication of epitaxial, high-J c, biaxially aligned YBCO thick films on Rolling-assisted biaxially textured substrates (RABiTs) is reported. RABiT substrates comprise a biaxially textured metal substrate with epitaxial oxide buffer layers suitable for growth of superconductors. Oxide buffer layers have been deposited using three techniques: laser ablation, electron-beam evaporation, and sputtering. Epitaxial YBCO films grown using laser ablation on such substrates have critical current densities approaching 3 × 106 A/cm2 at 77 K in zero field and have field dependences similar to epitaxial films on single crystal ceramic substrates. Critical current densities in excess of 0.2 MA/cm2 have been obtained on stronger, nonmagnetic substrates. In addition, samples with J e of 12.5 kA/cm2 at 77 K have been fabricated. The highest strain tolerence obtained so far is 0.7% in compression and 0.25% in tension. Deposited conductors made using this technique offer a potential route for the fabrication of long lengths of high-J c wire capable of carrying high currents in high magnetic fields and at elevated temperatures.Type of Medium: Electronic ResourceURL: -
10Staff View
ISSN: 1476-4687Source: Nature Archives 1869 - 2009Topics: BiologyChemistry and PharmacologyMedicineNatural Sciences in GeneralPhysicsNotes: [Auszug] The four stars BD + 39°4926 (refs 2-4), HR4049 (refs 3, 5, 6), HD52961 (ref. 6) and HD44179 (refs 7, 8) are all intrinsically luminous, but their galactic latitudes suggest that they are of low mass. They must currently be in a short and advanced evolutionary stage, presumably between the ...Type of Medium: Electronic ResourceURL: -
11Kallmes, D. F. ; McGraw, J. K. ; Evans, A. J. ; Cloft, H. J. ; Mathis, J. M. ; Hergenrother, R. ; Jensen, M. E. ; Dion, J. E.
Springer
Published 1998Staff ViewISSN: 1432-1920Source: Springer Online Journal Archives 1860-2000Topics: MedicineNotes: Abstract We assessed the effect of systemic heparinization on the in-vivo thrombogenicity of various micro- and guiding catheters in a swine model. Microcatheters were placed through 6-F guiding catheters into the common carotid arteries of swine for 30-min (short-term) and 90-min (medium-term) periods, with and without systemic heparinization. At the end of the placement period the microcatheters were retracted through the guiding catheters and fixed for scanning electron microscopy (SEM). Guiding catheters were harvested after 5 h placement, with and without systemic heparinization, by retraction through 8-F sheaths and fixed for SEM. The surfaces of both hydrophilic and nonhydrophilic microcatheters all demonstrated more accumulation of debris during placement without than with systemic heparinization. The difference was primarily in the amount of fibrillary material on the catheter surface. The guiding catheters also demonstrated increased debris accumulation without systemic heparinization. This suggests that, even when using relatively nonthrombogenic catheters, systemic heparinization is indicated during cerebral angiography.Type of Medium: Electronic ResourceURL: -
12Kallmes, D. F. ; Evans, A. J. ; Kaptain, G. J. ; Mathis, J. M. ; Jensen, M. E. ; Jane, J. A. ; Dion, J. E.
Springer
Published 1997Staff ViewISSN: 1432-1920Keywords: Key words Meningioma ; Interventional neuroradiology ; Embolization ; complicationsSource: Springer Online Journal Archives 1860-2000Topics: MedicineNotes: Abstract We report a case of hemorrhage in a parasellar meningioma shortly after embolization of the dural cavernous carotid artery branches supplying the tumor. This represents the first report of hemorrhage within a meningioma resulting from embolization with small (50- to 150-μm) polyvinyl alcohol particles, as well as the first reported case of hemorrhage complicating meningioma embolization from internal rather than external carotid artery branch embolization. We also review previously reported cases of postembolization hemorrhage from meningiomas.Type of Medium: Electronic ResourceURL: -
13Staff View
ISSN: 1432-1920Keywords: Key words Vasospasm ; Interventional neuroradiology ; Subarachnoid space ; hemorrhage ; Drugs ; intraarterial injectionSource: Springer Online Journal Archives 1860-2000Topics: MedicineNotes: Abstract Intra-arterial infusion of papaverine hydrochloride for subarachnoid hemorrhage-induced cerebral vasospasm has become an adjunctive endovascular therapy along with cerebral angioplasty. Our knowledge concerning the mechanism of action, method of administration and potential side effects of this therapeutic alternative are reviewed.Type of Medium: Electronic ResourceURL: -
14Staff View
ISSN: 1432-1920Keywords: Key words Thalamus ; Stroke ; Magnetic resonance imaging ; SleepSource: Springer Online Journal Archives 1860-2000Topics: MedicineNotes: Abstract The paramedian thalamus is believed to play an important role in the regulation of sleep, and disturbances of sleep regulation are known to occur in paramedian thalamic stroke (PTS). We examined 12 consecutive patients with PTS and sleep disturbance by MRI. Two distinct groups of patients could be defined: six presenting with severe hypersomnia (group 1) and six with slight sleepiness (group 2). On MRI, all patients had ischaemic lesions involving the paramedian thalamic nuclei, the centre of the lesions being the dorsomedial and centromedial thalamic nuclei. In group 1 the lesions were bilateral, butterfly-shaped infarcts involving the paramedian nuclei (three cases), or unilateral with an extension into the subthalamic nuclei. In group 2 the lesions were unilateral and limited to the paramedian nuclei, mainly the dorsomedial nucleus. Bilateral lesions can be attributed to a common origin in some cases for both paramedian thalamic arteries and the mesencephalic arteries.Type of Medium: Electronic ResourceURL: -
15Staff View
ISSN: 0001-1541Keywords: Chemistry ; Chemical EngineeringSource: Wiley InterScience Backfile Collection 1832-2000Topics: Chemistry and PharmacologyProcess Engineering, Biotechnology, Nutrition TechnologyNotes: This paper reports a direct experimental comparison of the cracking of cumene in a fluidized bed of silica-alumina catalyst with the same reaction in a fixed bed. The effects of fluidization on the kinetics of this reaction are interpreted in terms of an empirical approach using effectiveness factors and by a simplified mathematical model.Additional Material: 10 Ill.Type of Medium: Electronic ResourceURL: