Martin K. A. Rother

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[1] Six years of low-orbit CHAMP satellite magnetic measurements have provided an exceptionally highquality data resource for lithospheric magnetic field modeling and interpretation. Here we describe the fifth-generation satellite-only magnetic field model MF5. The model extends to spherical harmonic degree 100. As a result of careful data selection,(More)
1Danish National Space Center, Juliane Maries Vej 30, DK-2100 Copenhagen, Denmark 2Directorate of Earth Observation Programmes, ESTEC/ESA, Postbus 299, NL-2200 AG Noordwijk ZH, The Netherlands 3Geodynamics Branch, GSFC/NASA, Greenbelt, MD 20771, U.S.A. 4National Geophysical Data Center, NOAA, Boulder, CO 80305-3328, U.S.A. 5GFZ Potsdam, Telegrafenberg,(More)
Hemoglobin (Hb) is a promiscuous protein that not only transports oxygen, but also catalyzes several biotransformations. A novel in vitro catalytic activity of Hb is described. Bovine Hb and human erythrocytes were found to display ATRPase activity, i.e., they catalyzed the polymerization of vinyl monomers under conditions typical for atom transfer radical(More)
An ultra performance liquid chromatography (UPLC)-tandem mass spectrometry (MS/MS) method was developed for the determination of the Alternaria toxins tenuazonic acid, alternariol, alternariol monomethyl ether, altenuene, altertoxin I and tentoxin. Owing to its instability, altenusin could not be determined. The sample preparation includes an acidic(More)
Following the call for candidates for the 10th generation IGRF, we produced and submitted three main field and three secular variation candidate models. The candidates are derived from parent models which use a standard quadratic parameterisation in time of the internal Gauss coefficients. External magnetospheric fields are represented by combined(More)
S U M M A R Y The International Association of Geomagnetism and Aeronomy (IAGA) on 2004 December 12 has released the 10th-Generation International Geomagnetic Reference Field—the latest version of a standard mathematical description of the Earth’s main magnetic field used widely in studies of the Earth’s deep interior, its crust, ionosphere and(More)
Protein cages are hollow protein nanoparticles, such as viral capsids, virus-like particles, ferritin, heat-shock proteins and chaperonins. They have well-defined capsule-like structures with a monodisperse size. Their protein subunits can be modified by genetic engineering at predetermined positions, allowing for example site-selective introduction of(More)
Breathable and waterproof membranes that self-seal damaged areas are prepared by modifying a poly(ether ester) membrane with an amphiphilic polymer co-network. The latter swells in water and the gel closes punctures. Damaged composite membranes remain water tight up to pressures of at least 1.6 bar. This material is useful for applications where water-vapor(More)
The purpose of this study is to identify the physical sources of the major disturbance in the observatory annual means caused by the external geomagnetic field. The observatory annual means are widely used, especially in the modeling of the main field and its secular variations, although it is known that they are contaminated by parts of the field that come(More)