Hearing his words, Yan Qing pursed his lips slightly and smiled.

Her look of shame and embarrassment, he could imagine.

It was clear that he picked her up last night when she was asleep, and it was he who asked Wu Bai to tell her that she came by herself, and she couldn't stop shouting.

She actually believed it, and she was still so easy to deceive.

After eating, Gu Li and Jin Zhi went to bed early. Early the next morning, she didn't even bother to eat breakfast, and hurriedly went to the Spring Return Hall.

It's not because there is a patient who needs surgery today, but because her experiment is about to see the results.

She had gone early enough, but Mei Zhiyan had come earlier than her, and he had come before the Spring Hall had even opened.

"Can I see the results of the experiment?" Mei Zhiyan saw Gu Li coming, so she couldn't wait to ask.

He was in an excited mood, he didn't sleep well all night last night, he woke up before dawn, and he came over when he woke up.

"yes, that's fine." Gu Li smiled at him and nodded, and replied.

The two changed into isolation gowns and entered the laboratory.

"I'll open the lid, you can record it." Gu Li said to him.

Mei Zhiyan agreed, and picked up the paper and pen.

Twenty petri dishes were neatly placed in front of her, covered with lids, and no one knew what would happen inside until the lid was opened.

Gu Li put on her gloves and took a deep breath before opening the lid to relieve her nervousness.

Even though she knew that the outcome might not be good, she still had hope. Because there is hope, so I will be nervous.

"I'm on." She said.

"Hmm", Mei Zhiyan nodded, obviously ready.

But his handsome face was solemn and full of expectation at the moment.

Gu Li first lifted the lid marked "one" on the lid and took a closer look at the situation inside the petri dish.

"One, no change." She said.

Mei Zhiyan was disappointed, but she still recorded it.

If penicillin is successfully extracted, a small white dot will appear in the dish. However, in the first petri dish, there was no small white dot.

Gu Li continued to open the lid.

"Number two, no change."

"Three, no change."

"Four, no change."

……

"Sixteenth, no change."

The petri dishes were opened one by one, and Gu Li and Mei Zhiyan's hearts sank little by little, and now they were about to sink to the bottom.

"Seventeenth, no change."

"Eighteenth, no change."

"Nineteenth, no change."

Gu Li stretched out his hand and trembled towards the one marked "Twenty".

This is the last one, and if there are still no small white dots, then the experiment has failed.

Mei Zhiyan also stared nervously.

Gu Li opened the last petri dish.

"Twenty, no change."

The hearts of the two of them were all cold.

Gu Li raised his eyes to look at him and smiled helplessly.

"The goal of the experiment was not achieved." She said.

There was not a single white spot, and she put a lot of effort into making penicillin, but it was unsuccessful.

Although she had long expected that this might be the result, when this result was cruelly placed in front of her, she still felt sad and lost.

Mei Zhiyan is no better than her, and even more lost than her.

"It's okay", Gu Li smiled and comforted him, "It is extremely difficult to make penicillin, and it is reasonable that it cannot be successful." ”

"Let's not give up, sum up the experience, and experiment a few more times, maybe we will succeed." Gu Li said again.

Mei Zhiyan also smiled at her and nodded.

Although he didn't know much about penicillin yet, he had high hopes for this miracle drug. If it does, then thousands of people can be treated.

As a healer, it is his duty to save lives and help the wounded. Therefore, we must not be discouraged, let alone give up, and continue to experiment.

The experiment failed, and Gu Li quickly came out of her frustration and began to sum up her experience.

When she extracted Penicillium, she tried her best to be pure at every step, but why did she fail?

Penicillium contains penicillium, which produces penicillin, for a certain amount. Since penicillin did not work as well as it should, it meant that the penicillin she prepared was not pure.

Why is it impure?

Gu Lijue's, the most likely reason is probably the problem of miscellaneous bacteria.

"Although our lab is as clean as possible, bacteria are everywhere and in all kinds. When we made it, we didn't do it sterile, so it must have been mixed with miscellaneous bacteria. In this way, the prepared penicillium is not pure, and the penicillin is naturally impure. Gu Li explained.

Mei Zhiyan has learned a lot about experimenting with Gu Li during this time, and when she heard her say this, she nodded.

"So how do you do it to be sterile?" He asked.

Gu Li sighed first, a helpless smile on his face.

She also wanted to know about this question.

If you want a sterile environment, you need to use drugs or ultraviolet equipment, but these two things are absolutely not possible here.

In addition, high temperatures can be sterilized, but this is even more unrealistic, she can't always fill the whole room with water to boil, right?

"Think about it slowly." Gu Li said, "Next time you do it, pay more attention." ”

Mei Zhiyan responded, finished tidying up the laboratory with her, and left the Spring Return Hall.

If the experiment fails, no one is in a bad mood. But Gu Li still cheered up and saw the patient.

When Gu Li walked to the door of the house, she saw Wu Bai sweeping the door with a broom.

"Brother Wu" she shouted, with a smile on her face and a little apologetic, "I'm so sorry, I let you sweep the door again." ”

Every time Wu Bai swept the door, he would sweep her door with him, and several times, Gu Li was embarrassed.

"Miss Gu is polite, anyway, it's just a gesture, a few brooms, it's nothing." Wu Bai replied.

As he spoke, he waved the broom in his hand with a bold swing, and it was swept away in a few clicks.

"Thank you, Brother Wu." Gu Li said again, nodded to him, and entered the house.

Wu Bai looked at her back and thought for a moment.

Gu Li entered the house and saw that Jin Zhi had already cooked the meal. But she was in a low mood and had no appetite, so she simply ate a few bites and put down her chopsticks.

When twilight fell, Yan Qing returned.

As soon as he came back, Wu Bai went over to talk back to him.

"Childe, I don't seem to be very happy to see Miss Gu today."

Yan Qing's action of pouring tea paused slightly, and he turned his eyes to look at him.

"It doesn't look very good, and I force a smile and don't want to talk more." Wu Bai explained.