1964
DOI: 10.1016/s0021-9258(18)91395-5
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Xanthine Oxidase

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1965
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Cited by 99 publications
(8 citation statements)
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“…The trinitrophenyl derivative of amino groups can be quantitated spectrophotometrically with much greater accuracy than is possible with ninhydrin (Habeeb, 1966). TNBS also has been used as a reagent to modify the amino groups of xanthine oxidase (Greenlee and Handler, 1964), cytochrome c (Takemori et al, 1962), and myosin adenosine triphosphate (Kubo etal.,I960).2…”
mentioning
confidence: 99%
“…The trinitrophenyl derivative of amino groups can be quantitated spectrophotometrically with much greater accuracy than is possible with ninhydrin (Habeeb, 1966). TNBS also has been used as a reagent to modify the amino groups of xanthine oxidase (Greenlee and Handler, 1964), cytochrome c (Takemori et al, 1962), and myosin adenosine triphosphate (Kubo etal.,I960).2…”
mentioning
confidence: 99%
“…It is of interest that whereas guanidinium per se exhibited a marked inhibitory synergism with thiocyanate (Fridovich, 1965), none of these related compounds did so. Ammeline was also competitive with respect to the oxidation of jV-methylnicotinamide by xanthine oxidase at pH 10.5 (Greenlee and Handler, 1964). In contrast, the oxidation of A-methylnicotinamide by the rabbit liver aldehyde oxidase was not at all inhibited by ammeline or by nitroguanidine.…”
Section: Resultsmentioning
confidence: 85%
“…As shown in Table II for the membrane electrode under conditions of mass transport control, the effective Michaelis-Menten constants, KME, are considerably larger than the reported FfM values (12,14) for the homogeneous enzymatic reaction. Increase in values has been previously observed for immobilized enzyme electrodes (19,20) and has been predicted from a simulation of immobilized amperometric enzyme electrode response under diffusion control (20).…”
Section: ^Mementioning
confidence: 72%
“…At purine concentration of 5.0 X 10~4 M, a concentration below enzyme saturation, the maximum response is obtained at pH 6.5. In this study, in accordance with general practice, the solution pH was maintained at the value reported to be optimum for xanthine oxidase (pH 8.0) on the basis of the reported pH-activity profiles (13,14).…”
mentioning
confidence: 98%
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