W. Ansorge

Publications40
h-index11
Citations1,084
Highly Influential Citations13
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4MOST: 4-metre multi-object spectroscopic telescope
TLDR
The 4MOST consortium is currently halfway through a Conceptual Design study for ESO with the aim to develop a wide-field ( < 3 square degree, goal < 5 square degree), high-multiplex ( < 1500 fibres, goal 3000 fibres) spectroscopic survey facility for an ESO 4m-class telescope (VISTA). Expand
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Fouling in microfiltration of wine: The influence of the membrane polymer on adsorption of polyphenols and polysaccharides
Abstract Microfiltration (MF) is a frequently used to clarify wine, but the fouling of the membranes is the main limiting factor for the overall process capacity. In this work, data from MF… Expand
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4MOST: Project overview and information for the First Call for Proposals
TLDR
We introduce the 4-metre Multi-Object Spectroscopic Telescope (4MOST), a new high-multiplex, wide-field spectroscopic survey facility under development for the VISTA at Paranal. Expand
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Dialysis membrane made of cellulose acetate or cellulose acetate derivative in form of hollow fiber with through internal cavity and its production
PURPOSE: To obtain a membrane which exhibits a slight albumin loss, maintains the constant loss in a wide range of ultrafiltration rate and has high permeability to β2-microglobulin. CONSTITUTION:… Expand
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Thermally stabilized very thin (0.02–0.3 mm) polyacrylamide gels for electrophoresis
Abstract A simple technique and device for the preparation of gels are described that complement the conventional “pouring” technique, which fails in the preparation of bubble-free gels with… Expand
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The 4MOST instrument concept overview
TLDR
The 4MOST[1] instrument is a concept for a wide-field, fibre-fed high multiplex spectroscopic instrument facility on the ESO VISTA telescope designed to perform a massive (initially >25x106 spectra in 5 years) combined all-sky public survey. Expand
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Cellulosic versus synthetic membranes: a reasonable comparison?
Of the two main classes of dialysis membranes, cellulosic and synthetic, the former represents the standard membrane used in dialysis therapy. The disputed properties of cellulosic membranes related… Expand
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Ethylene oxide in dialyzer rinsing fluid: effect of rinsing technique, dialyzer storage time, and potting compound.
Ethylene oxide (ETO) is recognized as one of the main causes of dialyzer-associated hypersensitivity reactions. We studied the amount of ETO in the rinsing fluid of ETO-sterilized hollow-fiber… Expand
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Influence of the strongly anisotropic cross-section morphology of a novel polyethersulfone microfiltration membrane on filtration performance
Polyethersulfone (PES) microfiltration membranes with remarkably improved filtration performance were recently developed. Subtle changes in the conditions of the phase separation process lead to a… Expand
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Kinetic investigations of enzymes covalently bonded to heterogeneous ultrafiltration membranes
Abstract A model reaction with enzymes covalently bonded within the supporting layer of an ultrafiltration membrane was carried out. The well-known description of enzyme kinetics and mass transfer in… Expand
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