Objective: To observe the activity of phenol oxidase ( PO) from Oncomellania hupensis and the effect of allyl-thiourea on the enzyme activity. 目的:了解钉螺体内酚氧化酶的活性及观察丙烯基硫脲对其活性的影响。
Poly phenol Oxidase Activities and Phenol Contents in Tissue Culture 组织培养过程中PPO活性和总酚含量的研究
Objective To explore the effect of phenol oxidase antigen on liver pathologic change in mice infected with Schistosoma japonicum. 目的观察日本血吸虫酚氧化酶天然蛋白抗原诱导免疫对病鼠肝脏的病理变化。
By comparing the content of phenol, browning degree and activity of polyphenol oxidase ( PPO) between browning and unbrowning cells, enzymatic action of PPO was considered as the main factor of browning. 通过对褐变前后细胞的多酚含量、褐变强度与多酚氧化酶活性的比较,确定了肉苁蓉多酚氧化酶酶促褐变是肉苁蓉褐变的主要原因。
Preparation of Tea Polyhydric Phenol Oxidase Electrode 茶多酚氧化酶电极的研究
Analysis of Phenol Oxidase Isoenzyme in Schistosoma japonicum 日本血吸虫酚氧化酶同工酶分析
Studies on histochemical localization of phenol oxidase in Schistosoma japonicum 日本血吸虫酚氧化酶的组化定位研究
Histochemical studies of allyl thiourea's inhibiting effect on the phenol oxidase activities in Schistosoma japonicum 丙烯硫脲对日本血吸虫酚酶抑制作用的组织化学研究
The peroxidase activity was low, its changeable tendency was similar with the phenol oxidase. 过氧化物酶活性较低,变化趋势与苯酚氧化酶相似;
Effects of Different Pretreatments on the Total Phenol Content and Activity of Polyphenol Oxidase in Chinese Chestnut Leaf 不同预处理对板栗叶片中总酚含量和多酚氧化酶活性的影响
In fact, each kind of phenol has an effect on the activity of auxin oxidase, and the activity of auxin oxidase determines the quantity of IAA which promotes or suppresses the growth of Chinese fir. 实际上是不同种类酚类物质导致生长素氧化酶的活性不同,并进一步致使生长素(吲哚乙酸)分解或积累,从而促进或抑制植物生长。
Studies on phenol oxidase in Oncomelania hupensis and its histochemical localization 湖北钉螺体内酚氧化酶及其组织学定位
Phenol is transformed into catechol by chitosan immobilized mushroom polyphenol oxidase. 利用壳聚糖固定化蘑菇多酚氧化酶催化氧化苯酚合成邻苯二酚,考察了固定化多酚氧化酶羟基化反应条件对目的产物产率的影响。
Phenol oxidase ( PO, EC 1.14.18.1, and was also known as tyrosinase in mammalian) is one of the key enzymes in the development of insects. 酚氧化酶(phenoloxidase,简称PO,EC1.14.18.1,在哺乳动物中也称为酪氨酸酶)是昆虫生命过程中的重要调节酶。
Similar to the effect on blood cells, first stimulation and then inhibition effect were indicated in the effects of sublethal doses on immunization-related phenol oxidase activity. 与免疫有关的酚氧化酶活性在亚致死剂量农药处理下影响类似于血细胞,出现先刺激后抑制的效应。
PH would promote the phenol oxidase activity and inhibit the cellobiase activity in certain condition. pH对酶活性的影响会在一定条件下抑制纤维二糖酶而促进酚氧化酶。
In Plants, when the cells hurt, phenol and polyphenol oxidase would have been separated from, have an opportunity to contact, and in the role of oxygen, will generate the quinone, which result in the browning aging and death of cells. 在植物体中当细胞受到伤害时,胞内本来分隔不会接触的酚和多酚氧化酶,有机会接触并在氧气的作用下,生成醌,导致细胞褐变衰老死亡。
The theory of phenol oxidase inhibitors provides important clues to the control of insect pests, ultimately. 酚氧化酶抑制剂理论可以为开发以该酶为靶标的新型害虫控制剂提供重要的线索。
Spatial differences of Phenol oxidase and peroxidase activities are significant, the enzyme activities in the lake sediment of four months are much higher than in the beach soil. 酚氧化酶和过氧化物酶活性空间差异显著,研究期间的酶活性在沉积物中都远高于滩地土壤。