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Fluorescence assay technologies used for miniaturized high throughput screening are broadly divided into two classes. Macroscopic fluorescence techniques (encompassing conventional fluorescence intensity, anisotropy [also often referred to as fluorescence polarization] and energy transfer) monitor the assay volume- and time-averaged fluorescence output from(More)
J. Ullrich Physikalisches Institut der Universität, Pfaffenwaldring 57, D-7000 Stuttgart Z. Naturforsch. 40c, 685 — 692 (1985); received May 24, 1985 Rhodopseudomonas sphaeroides, Bacteriochlorophyll a, Bacteriopheophytin a, Bacteriopheophorbide a, Pigment aggregation A series of pigments of the bacteriopheophytin a spectral type have been isolated from(More)
A micromagnetic model is proposed to explain the magnetization reversal of thermally evaporated MnBi thin films. The model assumes that the films consist of grains on a square lattice with perpendicular magnetic anisotropy. In order to describe the magnetic reversal of a particular grain, dipole coupling, wall energy, Zeeman energy, and an energy barrier(More)
The photochemistry of C-phycocyanin has been studied after denaturation in the dark. It shows an irreversible reaction which has characteristics of a Z .Z .E to Z ,Z,Z-isom erization of dihydrobilins. Its amplitude depends on the reaction conditions, with a maximum corresponding to 15% conversion of one of the three PC chromophores. This chromophore is(More)
J.P. Walker, S. Peischl, M. Allahmoradi, C. Rüdiger, D. Ryu, N. Ye Department of Civil and Environmental Engineering, The University of Melbourne, Australia D. Barett Sustainable Minerals Institute, The University of Queensland, Brisbane, Australia R. Gurney NERC Environmental Systems Science Centre, University of Reading, United Kingdom Y. Kerr Biospheric(More)
The first dedicated soil moisture satellite mission will be the European Space Agency's Soil Moisture and Ocean Salinity (SMOS) mission. This satellite, scheduled for launch in the second half of 2009, has a new type of satellite design that is based on the radio-astronomy technique of simulating a large antenna from a number of smaller ones placed some(More)
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