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Determination of catecholamine sulfoconjugate isomers in normal human urine by use of high-performance liquid chromatography with a photochemical detector

Arakawa, Y. ; Imai, K. ; Tamura, Z.

Amsterdam : Elsevier

Analytical Biochemistry 132 (1983), S. 389-399

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ISSN: 0003-2697

Keywords: catecholamine ; conjugate ; high-performance liquid chromatography ; human urine ; photochemical detection ; sulfate

Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002

Topics: Biology , Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1016/0003-2697(83)90025-8

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A direct and sensitive determination of histamine in acid-deproteinized biological samples by high-performance liquid chromatography

Arakawa, Y. ; Tachibana, S.

Amsterdam : Elsevier

Analytical Biochemistry 158 (1986), S. 20-27

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ISSN: 0003-2697

Keywords: blood ; high-performance liquid chromatography ; histamine ; mast cell ; plasma ; tissue

Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002

Topics: Biology , Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1016/0003-2697(86)90582-8

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Coherent and incoherent dynamics of excitons in semiconductor microcavities (1995)

Norris, T. B. ; Rhee, J. K. ; Citrin, D. S. ; [et al.]

Springer

Il nuovo cimento della Società Italiana di Fisica 17 (1995), S. 1295-1303

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ISSN: 0392-6737

Keywords: Polaritons (including photon-phonon and photon-magnon interactions) ; Excitons and related phenomena (including electron-hole drops) ; Conference proceedings

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Summary We have investigated the dynamics of impulsively excited planar microcavities in the strongly couple regime. With resonant, coherent excitation, the emitted light shows vacuum-Rabi oscillations and a lifetime corresponding to twice the cavity lifetime. As the light intensity is increased, the exciton bleaching leads to reduced normal-mode splitting. The role of interface disorder on the dynamic splitting is discussed. Coherence transfer in exciton-exciton scattering is observed. Off-resonant excitation leads to long lifetimes limited by scattering into the radiatively coupled states of the exciton-cavity system.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF02457201

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Wet-etching fabrication of multilayer GaAlAs/GaAs microtips for scanning near-field optical microscopy (2000)

Khalfallah, S. ; Gorecki, C. ; Podlecki, J. ; [et al.]

Springer

Applied physics 71 (2000), S. 223-225

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ISSN: 1432-0630

Keywords: PACS: 07.10.Cm; 73.61.Ey; 61.16.Ch; 42.55.Px

Source: Springer Online Journal Archives 1860-2000

Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics

Notes: Abstract. We propose to fabricate GaAlAs/GaAs multilayer microtips for scanning near-field optical microscopy (SNOM) using anisotropic etching. The etching was performed in a solution of H3PO4:H2O2:H2O operating at a temperature of 10 °C. We obtained pyramid-shaped microtips with four etched facets and with a radius of curvature at the apex that was lower than 50 nm.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/s003390050058

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