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单词 alloxan
释义

Definition of alloxan in English:

alloxan

noun aˈlɒks(ə)nəˈläksən
mass nounChemistry
  • An acidic compound obtained by the oxidation of uric acid and isolated as an efflorescent crystalline hydrate.

    Chemical formula: C₄H₂N₂O₄

    Example sentencesExamples
    • Since alloxan destroys pancreatic beta-cells, it was presumed that fenugreek either stimulated insulin release from remaining beta-cells or had insulin-receptor activity.
    • To investigate the molecular mechanism underlying the effects of oxidative stress on plant growth reorientation, the effects of alloxan on isolated leaf protoplasts were studied.
    • His less successful projects included an attempt to discover a tooth-dye so fashionable ladies could match their smiles to their other accessories and a scheme for synthesizing alloxan - essential to lipstick - from python-droppings.
    • In a study of rats given alloxan to induce diabetes, both water and alcohol extracts of fenugreek had some hypoglycemic activity.
    • Experimental diabetes mellitus was induced by IV injection (caudal vein) of alloxan monohydrate at a dose of 50 mg/kg body weight.

Origin

Mid 19th century: from all(antoin) + ox(alic) + -an.

 
 

Definition of alloxan in US English:

alloxan

nounəˈläksən
Chemistry
  • An acidic compound obtained by the oxidation of uric acid and isolated as an efflorescent crystalline hydrate.

    Chemical formula: C₄H₂N₂O₄

    Example sentencesExamples
    • In a study of rats given alloxan to induce diabetes, both water and alcohol extracts of fenugreek had some hypoglycemic activity.
    • Experimental diabetes mellitus was induced by IV injection (caudal vein) of alloxan monohydrate at a dose of 50 mg/kg body weight.
    • Since alloxan destroys pancreatic beta-cells, it was presumed that fenugreek either stimulated insulin release from remaining beta-cells or had insulin-receptor activity.
    • His less successful projects included an attempt to discover a tooth-dye so fashionable ladies could match their smiles to their other accessories and a scheme for synthesizing alloxan - essential to lipstick - from python-droppings.
    • To investigate the molecular mechanism underlying the effects of oxidative stress on plant growth reorientation, the effects of alloxan on isolated leaf protoplasts were studied.

Origin

Mid 19th century: from all(antoin) + ox(alic) + -an.

 
 
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更新时间:2024/12/23 17:50:21