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Publikováno v:
Journal of food protection. 54(7)
Aspergillus candidus ATCC 44054 grown without agitation produced more kojic acid in the modified Czapek-Dox liquid medium than cultures shaken at 100 rpm. Of the three culture media tested, yeast extract-sucrose medium permitted more kojic acid produ
Akademický článek
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Publikováno v:
Environmental Monitoring and Assessment. 67:361-378
The green alga Selenastrum capricornutum expresses a unique ascorbate peroxidase, that responds to copper and lead. Attempts were made to test if this peroxidase could be used to monitor the levels of copper and lead in natural waters. When S. capric
Autor:
Jung-Jiin Hsu, K T Chung
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 28:L649-L653
The energy of 1s2s2p3 6S0 of the beryllium anion is calculated by the Rayleigh-Ritz variational method and the method of restricted variation. The relativistic effect is treated perturbatively as a first-order correction to the non-relativistic energ
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 27:855-864
The dipole polarizabilities of the lithium-like ground states, 1s22s 2S, are calculated with the full-core plus correlation (FCPC) wavefunctions. The non-relativistic polarizabilities are obtained by using a variation-perturbation method. Based on th
Publikováno v:
Letters in Applied Microbiology. 17:29-32
Tannic acid, propyl gallate, gallic acid and ellagic acid were tested for their inhibitory effects on selected food-borne bacteria by the well assay technique. Tannic acid and propyl gallate were inhibitory whereas gallic acid and ellagic acid were n
Autor:
K T Chung
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 25:4711-4720
The differential Stark shift of the 1s2s2p 4P0 states of He- and Li is studied. The scalar and tensor polarizabilities are calculated using a multiconfiguration interaction wavefunction. Polarization to the 4S, 4P and 4D configurations is considered.
Autor:
K T Chung
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 24:3923-3932
It is commonly believed that an atomic system with a 2s electron gives a lower energy than that of a system with a 2p electron. The author shows that in a doubly-core-excited four-electron system, the energy of the 2s22p2 3P state is substantially hi