| 1. | Its optimum temperature is 41 , optimum ph is 5 . 4 when the substrate was the calf thymus dna
4 ， dna酶的在70oc后活性开始降低， 90时剩余活力为38 |
| 2. | The enzyme reacted with the calf thymus dna at different temperature , then its activity unit was detected
将该酶在不同温度下与小牛胸腺dna反应后测定酶的活力单位。 |
| 3. | The targeting enzyme reacted with the calf thymus dna at different ph , then its activity unit was detected
将该酶在不同ph条件下与小牛胸腺dna反应后测定酶的活力单位。 |
| 4. | The purified dnaase reacted with the calf thymus dna at different naci concentration at ph5 . 4 , at 41 , then its activity unit was detected
在不同的naci浓度下41 、 phs 4下准确反应15分钟后测定酶的活力单位。 |
| 5. | After the interesting dnaase was exposed to different ph for 24 hours , it reacted with the calf thymus dna , then its activity unit was detected
将该酶置于不同ph条件下24小时后与小牛胸腺dna进行反应，并测定活力单位。 |
| 6. | After the purified dnaase was exposed to different temperature for 3 hours , it reacted with the calf thymus dna , then its activity unit was detected
山西医科人学2002届项卜学位论义一将该酶在不同温度下保温3小时后与小牛胸腺dna进行反应，并测定活力单位。 |
| 7. | 2 . calf thymus dna oxidative damage has been studied with pqc method firstly . the oxidative ability of different hioa systems , including the systems containing cu2 + , zn2 + and no - transition metal elements , was compared
比较了含zn ~ ( 2 + )和含cu ~ ( 2 + )以及不含有任何离子的过氧化氢体系的不同的氧化能力，其结果与电泳法得到的结果一致。 |
| 8. | The fluorescence investigation of the interaction between the eu3 + - rutin complex and dna the interaction of the eu3 + - rutin complex with calf thymus dna was studied using fluorescent method . the mode of eu3 + - rutin complex binding to dna by intercalation was observed
根据在最佳条件下dna与它的四种碱基的特征激发与发射光谱，可以推断出芦丁稀土配合物主要嵌入在富含鸟缥吟-胞嚓咤的碱基之间。 |
