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Mutagenic activation of biliary metabolites of 1-nitropyrene by intestinal microflora

Morotomi, M. ; Nanno, M. ; Watanabe, T. ; [et al.]

Amsterdam : Elsevier

Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis 149 (1985), S. 171-178

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ISSN: 0027-5107

Keywords: 1606-67-3 ; 1-aminopyrene ; 1-nitropyrene ; 129-00-0 ; 14901-08-7 ; 1732-29-2 ; 1767-28-8 ; 218-01-9 ; 3-hydroxy-1-nitropyrene ; 3-nitrofluoranthene ; 389-36-6 ; 50-32-8 ; 5522-43-0 ; 590-96-5 ; 6-hydroxy-1-nitropyrene ; 8-hydroxy-1-nitropyrene ; 829-21-7 ; 85-01-8 ; 86-73-7 ; 86674-49-9 ; 86674-50-2 ; 9001-22-3 ; 9001-45-0 ; 9016-15-5 ; aryl sulfatase ; benzo[a]pyrene ; chrysene ; cycasin ; d-saccharic acid 1,4-lactone ; fluorene ; methylazoxymethanol ; phenanthrene ; pyrene ; trans-4,5-dihydroxy-4,5-dihydro-1-nitropyrene ; β-glucosidase ; β-glucuronidase

Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002

Topics: Biology , Medicine

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1016/0027-5107(85)90023-5

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Velocity-selective optical ramsey fringes by optical pumping in a Ca atomic beam (1992)

Morinaga, A. ; Ito, N. ; Sakurai, T.

Springer

Applied physics 54 (1992), S. 29-34

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ISSN: 1432-0649

Keywords: 07.65Eh ; 32.80Bx ; 42.65Gv

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract Velocity-selective optical Ramsey fringes have been observed at the 1 S 0−3 P 1 intercombination line of Ca, utilizing the optical pumping of one narrow velocity group of atoms from the 3 P 1 state to the 3 S 1 state. The width of velocity selection of about 60 m/s was achieved with a pump power of 1 mW. Velocity distribution of atoms in the excited state of 3 P 1 and velocity-selective optical Ramsey fringes were measured as a function of atomic velocity. The velocity-slective Ramsey fringes will be an attractive reference for future wavelength/frequency standards, because the fractional width of the second order Doppler shift is reduced to the 10−13 level.