When Jiang Yanfeng came out, he saw Su Li sleeping soundly, but the summary in the document hadn't made any progress.He reached out and touched Su Li's shoulder, and Su Li slapped him hard like a fly.

Forget it.

Seeing that it was almost time for dinner, Jiang Yanfeng ordered takeaway, but the smell of lunch woke Su Li up.

Su Li woke up in a daze, only to hear her stomach growl.

"Ground Pot Chicken!" Su Li's eyes lit up when he smelled the familiar scent. He forgot that he was lying on the sofa and fell asleep. When he got up, he was so violent that he fell into the gap between the sofa and the coffee table. in the crevice.

With a muffled sound, Su Li felt that his tailbone was about to split, he couldn't make a sound out of the pain, and kept grinning.

Unable to lift her butt, Su Li stretched out her hand, trying to use her strength to stand up.

With cool hands, Su Li met her fiancé's cold pool-like eyes.

Jiang Yanfeng suddenly put his arms around his body, almost half hugging him and pulling him up.

Su Li pushed him away, as if being molested.

Jiang Yanfeng didn't mind either, and handed him the food and chopsticks: "I didn't wake you up, so I ordered takeaway."

Su Li opened the chopsticks, her attitude softened a bit: "Thank you."

"The guess is so accurate, it seems that you often order takeaway." Jiang Yanfeng opened the package, and it really was ground pot chicken.

Su Li suddenly became vigilant: "You are not allowed to complain to my father!"

Su Jingping's family education is very strict, he is not allowed to do this and that is not allowed to do it. Su Li is very afraid of him. He never dared to order takeaway food. Since he went to university, the sky is high and the emperor is far away. self.

But now that there is another Yanfen classmate by his side, Su Li has no choice but to make conspiracy theories. He secretly thinks that maybe Jiang Yanfeng is an eye arranged by his father.

Jiang Yanfeng froze for a moment, then smiled lightly: "I'm not a spy."

After Su Li returned to school, he told Xiang Yunkun about improving the experiment: "Brother Xiang, I think our experiment can be improved."

Xiang Yunkun: "Tell me."

Su Li organized the language: "The template we use now is DNA, but even if the bacteria die, the DNA will not be decomposed immediately, and false positive results will appear. I think we can use RNA templates. RNA is very unstable. Reverse transcription and re-amplification can avoid false positives."

Xiang Yunkun showed approving eyes: "I think it's okay, you thought of it yourself?"

Su Li hesitated for a moment, and said with some guilt: "When I checked the literature, I saw that many people were doing RT-PCR."

Xiang Yunkun said: "Yes, Su Li, we will participate in next year's Innovation Cup after we have achieved results."

Su Li's heart seemed to be lit with fireworks, and his voice trembled: "Then... that's great, then when shall we start the experiment?"

Xiang Yunkun is like a gentle big brother: "I will teach you tomorrow, don't panic, the experiments are very simple, and we don't need to use complicated instruments, you can basically learn it after reading it."

Su Li started his laboratory career, but the reality was not as good as imagined, he still couldn't face Xiang Yunkun day and night, most of the time Xiang Yunkun gave him the necessary operations and left.

Su Li was very helpless in the laboratory by himself. He sometimes forgot the operation steps, and was afraid that Xiang Yunkun would be annoyed by asking too many questions, so he had to pretend to be cute and ask graduate students for help.

Teacher Lei is often not in the office, and Su Li hardly sees him.

Xiang Yunkun answered his doubts: "The teacher doesn't just take care of undergraduates. If you ask him, he may not be able to answer you. Isn't there me?"

The last sentence was too flirtatious, even though Xiang Yunkun sent him text, Su Li could imagine Xiang Yunkun whispering this sentence in his ear, a warm current ran through his limbs, and his body felt light , as if to fly to the sky.

Xiximu: Didn't we change the experimental route? What's the use of extracting DNA now?

Brother Xiang: You are not proficient at extracting DNA now, so practice a few more times.

Well, Su Li emptied out the large and small reagent bottles, and went to the incubator to get three plates.

The smell of Escherichia coli is not very good. The moment he opened the tablet, Su Li almost fainted, and he wanted the ninja's pungent smell to scrape the bacteria lawn into the centrifuge tube.

After Su Li clumsily added the buffer solution with a pipette gun, he received a call from Jiang Yanfeng, and he remembered that today is the day to register.

"Are you at school?" Jiang Yanfeng always talked to him calmly and calmly. Even if he was teased again and again, he didn't seem to care about those harsh words.

"Do I have to go today? I'm still doing the experiment, and it won't be over for a while. Don't talk to me, the DNA will be contaminated." Su Li said slowly.

Cloud pollution?Jiang Yanfeng was very helpless, and explained to him: "You rub alcohol on the table a few times, the DNA is very stable and will not be contaminated. You can go to school and wait for you. If the kit is extracted, it will take up to an hour."

Su Li said, "I still need to do electrophoresis."

Jiang Yanfeng: "Can I go to your laboratory?"

Su Li was alert: "What are you doing here?"

Jiang Yanfeng: "Help you."

Su Li: "Okay, the laboratory is open, and those graduate students don't know me."

Soon Jiang Yanfeng arrived, and Su Li found him a lab coat and gloves, but found that the masks were all used up.

Jiang Yanfeng looked at the laboratory environment and found that Su Li did not extract nucleic acid on the sterile operating table, so he smiled and said, "You don't need to look for it. I think it's the same whether you wear a mask or not."

Su Li took a look at him, stretched out her hand in a gesture of not being afraid of me, and protected the centrifuge tube with the other hand, and said, "Then don't approach me or talk to me, you will pollute the DNA. .”

After speaking, he picked up the alcohol watering can and sprayed wildly at his fiance.

Jiang Yanfeng took a step back consciously: "I'll help you make the gel, and you can go directly to electrophoresis after extraction."

Su Li told him where to put the nucleic acid dye, and suddenly remembered that Brother Xiang had told him that the dye was toxic, so he reminded him: "This seems to be poisonous, I'd better borrow a mask from another laboratory for you."

Otherwise, I would have to be blamed if I died from poisoning.

Seeing that they were using ethidium bromide, Jiang Yanfeng suggested: "Next time, you can replace it with gelred, which is non-toxic."

He chuckled again: "Are you still afraid that I will be poisoned to death?"

Su Li said: "I won't make you a widow even if you are poisoned to death."

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