Zobrazeno 1 - 10 of 23 pro vyhledávání: '"Karl A. Schellenberg"'
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Formation of methyl ester of 2-methylglyceric acid from thymine glycol residues: a convenient new method for determining radiation damage to DNA
Autor: Karl A. Schellenberg, James Shaeffer
Publikováno v: Biochemistry. 25:1479-1482
Thymine glycol residues in DNA or thymidine were converted to methyl 2-methylglycerate by reaction with alkaline borohydride followed by methanolic HCl. The product was labeled either from [3H]DNA or from [3H]borohydride and was followed by cochromat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0046c743541c83a0eee78e7dbb38c8b2
https://doi.org/10.1021/bi00355a002
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4
The reaction of protein tryptophanyl residues with reduced nicotinamide adenine dinucleotide
Autor: Karl A. Schellenberg
Publikováno v: Archives of Biochemistry and Biophysics. 184:605-610
The 3H labeling of yeast alcohol dehydrogenase, following treatment with [4-3H]NADH and acid hydrolysis, has been reexamined. Although earlier evidence suggested that the label was in a tryptophanyl residue, the present study has shown that the label
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d50ce6e5ac3ba441325bf4ad57c62b21
https://doi.org/10.1016/0003-9861(77)90471-4
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5
Polyethylene glycol as a protector against head and neck irradiation
Autor: Karl A. Schellenberg, James Shaeffer
Publikováno v: International Journal of Radiation Oncology*Biology*Physics. 10:2329-2333
Mice injected i.p. with polyethylene glycols (PEG) 20 min prior to head and neck X irradiation with 1650 rad showed improved survival, increased food and water consumption, and retention of body weight compared with irradiated controls. The LD 50/15
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ba1bbeb03afe1f00e3b7ece141f47642
https://doi.org/10.1016/0360-3016(84)90241-4
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6
Characterization of radiation damage to DNA by reaction with borohydride
Autor: Karl A. Schellenberg, Denise Gates, Richard K. Nichols, James Shaeffer
Publikováno v: Nucleic Acids Research. 9:3863-3872
Irradiation of aqueous solutions of native calf thymus DNA with x-rays produced functional groups that reacted with sodium borohydride. The DNA was labeled with tritium from NaB3H4 to the extent of 2.0 x 10(-10) atom/dalton/rad. The presence of cyste
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab04e755b6c8ebbbfd59958428024326
https://doi.org/10.1093/nar/9.15.3863
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8
The chemical synthesis of glutamic acid specifically labelled with deuterium or tritium in thealpha or 2 position
Autor: Margaret C. Hochreiter, Karl A. Schellenberg
Publikováno v: Journal of Labelled Compounds. 5:270-274
Glutamic acid specifically labelled with isotopic hydrogen in the 2 position was produced by exchange equilibration with labelled protons during the reaction of acetylglutamic acid with acetic acid and acetic anhydride. The position of label was esta
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b011ab0aa3648583bea8ff96e86e8b9d
https://doi.org/10.1002/jlcr.2590050310
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