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Digitale Medien

Saturation and isotope mixing during low-temperature implantations of hydrogen into metals (1982)

Möller, W. ; Besenbacher, F. ; Bottiger, J.

Springer

Applied physics 27 (1982), S. 19-29

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ISSN: 1432-0630

Schlagwort(e): 61.70.Tm ; 61.70.Wp ; 61.80.Jh.

Quelle: Springer Online Journal Archives 1860-2000

Thema: Maschinenbau , Physik

Notizen: Abstract Deuterons of 10 keV energy and protons with the same mean projected range have been implanted into several metals at a temperature of approximately 35 K and at dose rates of approximately 2 × 1014 cm−2 s−1. The amount of retained deuterium saturates at fluences larger than roughly 2 × 1018 cm−2. After implantation of deuterons and subsequent bombardment with protons, the deuteron depth profiles show characteristic double peak structures, which indicate a replacement process. The experimental data are in good agreement with a simple model of local saturation and mixing. The possible implications of this model are discussed.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01197542

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Digitale Medien

Synthesis of affinity chromatography and electrophoresis matrices for the purification of bile acid transport proteins (1991)

Müllner, S. ; Möller, W. ; Ziegler, K. ; [weitere]

Springer

Chromatographia 32 (1991), S. 265-268

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ISSN: 1612-1112

Schlagwort(e): Affinity chromatography ; Affinity electrophoresis ; Bile acid transport proteins ; Bile acid derivatives

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie

Notizen: Summary For the purification of the bile acid transport proteins from rat hepatocytes high affinity taurocholic acid derivatives were synthesized. One type was designed for coupling to a Sepharose matrix and the other for copolymerization with acrylamide. The resulting matrices were found to be suitable for affinity chromatography and affinity electrophoresis. In both syntheses, 3α, 12α-dihydroxy-7β-amino (tauro) cholic acid derivatives were used as the starting material, since substitution in this position had previously been shown not to alter transport affinity constant.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF02276251

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