"We can do a test. Pen × fun × Pavilion www. ｂｉｑｕｇｅ。 Yang Rui stood in the middle of a group of Stockholm police officers and said in English: "You can provide me with a hair, and then select a few people for us to test, and at this time tomorrow, I can tell you who the hair belongs to." ”

Xiao Deng stood beside Yang Rui as the interpreter of the embassy, and then translated his English into Swedish, so that no one would misunderstand.

On the other hand, the pride of the Swedes is evident in the fact that they always prefer to listen to Swedish rather than English, German or French, even if they understand it.

Yang Rui asked Huang Mao to turn on the PCR machine, and then said: "We use it to detect DNA. This machine is called a PCR machine, and as long as there is a DNA strand, and we don't even need a DNA strand, a part of the DNA strand, we can expand it endlessly. ”

Seeing that everyone was a little confused, Yang Rui immediately changed his method and said, "To put it simply, the minimum requirement of a PCR instrument is a cell. Therefore, its benefits are very obvious, and any slight mistake of the criminal at the crime scene may become our clue. ”

"Did you put these hairs and cells under a microscope with a high multiple?" a policeman asked in a loud voice, and if he knew the word multiple, it showed that he knew about some experiments.

Yang Rui said gently: "The principle of PCR is slightly different from that of a microscope, but what we get in the end is indeed an image, which can also be understood in this way. ”

His explanation was obviously flawed, and Huang Mao was anxious, so he said in Chinese: "Director Yang, it can't be said to be similar to a microscope." ”

"Where did I say that it is similar to a microscope, I mean it is slightly different from a microscope, what we get in the end is an image, isn't it?" Yang Rui corrected Huang Mao seriously.

Huang Mao was stunned and said, "The PCR machine and the microscope are not only slightly different. ”

"From a layman's point of view, it's enough to describe it a little differently. Yang Rui no longer spoke Chinese and continued to say in English: "I'm sorry, my assistant wants to explain to you a more detailed and clear principle, I vetoed, I think we can master the method of collecting evidence, and the use of the PCR machine is best handled by a special person to avoid losses in court." ”

When Yang Rui said this, the director of the bureau thought deeply and said: "That's right, we must abide by the rules and do everything according to the books." In addition, the collection of evidence, as well as the collection of evidence, should also be carried out in accordance with the manual provided by Mr. Yang Rui. ”

Sinovel Labs has long compiled a code of use for PCR, especially the guidelines for sampling, and tried to promote it in police stations in Hong Kong and other regions.

Some of the policemen nodded, and some shouted unconvinced: "Even if you use this PCR, why do you have to hire this company." ”

The other party used Swedish, and when Xiao Deng translated it to Yang Rui, he had already continued: "Is this a unique technology? A unique technology from China, to guide us on how to solve the case? I don't dare to hand over such evidence to the court, and the judge will not use it as evidence." ”

"Pickle. Chief Sherwood stood up, looked at the officer who spoke, and said, "You'd better put away your set and do your own thing obediently." ”

His words were stern, and his eyes turned to the crowd again: "Mulle's case has now received special attention from all sides, and what we need to do now is first to identify the suspects, and then decide how to prosecute." If necessary, I believe that Mr. Yang Rui can explain clearly to the judge what a PCR machine is. If not, that's the decision of a stupid judge, and it's not up to us to decide whether or not to believe in a new technology – we're going to use everything, you know? Not like a German, who criticizes any new technology first. “

His discrimination against the Germans drew a burst of laughter.

"Why don't we get a Swedish professor to operate the machines when we know we have to explain it to the court," Picker said. ”

Yang Rui listened to the simultaneous translation and said quickly: "Because we can provide better PCR instruments." ”

"Is a better PCR machine better than the Swedish one?" asked Pickel with a smile.

Yang Rui did not answer this question directly, but said euphemistically: "I invented the PCR instrument, and the patent period has not ended, so now I sell PCR all over the world." What I'm bringing out now is a second-generation PCR machine that hasn't been put on the market yet, which is smaller, more portable, and faster, all of the features you need. ”

There is no need for him to understand, everyone understands what Yang Rui means, the world's PCR instruments have come out of me, and this one is not for sale.

In fact, what Yang Rui is taking out now is not a real second-generation PCR, but if he wants to be called a second-generation, others have no choice.

Sherwood didn't wait for Pickel to speak, he first stood up and said, "This is the end of the discussion, let's do an experiment to verify the function of the PCR machine, and at the same time, we have to prepare for the clues that will be exposed next......"

Sherwood directly arranged the work, Yang Rui signaled to Huang Mao twice, and then operated.

The PCR instrument is actually very simple to use, remove the somewhat verbose pre-sequence steps, and it can basically be summarized as: open the machine, stuff the raw materials, and get the conclusion.

If you are proficient in these three steps, the number of experiments that can be performed in a day is considerable.

In later generations of scientific research laboratories, some graduate students have been researching for three years, and for two years they are running PCR, running to the back, like Bolt in the laboratory world, and the time to have a relationship with a group of DNA is only a few seconds.

After Huang Mao was dug by Yang Rui from Peking University to Huarui Laboratory, he was also the leader in the laboratory, his calf temperament After so many years of training, a large number of resources have been smashed down, and he is already at his peak, and he does not need Yang Rui's help at all, so he will run the machine.

Tu Xian took a cotton swab and began to take the epithelial tissue of the police uncles and police aunts. It is to pound a small cotton swab at the position of the gums, and the cells and tissues that the human body naturally sheds will coat the cotton swab all over.

Coupled with various time-wasting operations, the PCR machine only took ten minutes to completely break away from people, which is similar to the difficulty of operating a microwave oven.

Yang Rui saw that it was basically completed, and said: "At this time tomorrow, we will be able to see the results, and we will have someone to stay here for consultation." ”

Yang Rui himself didn't stay directly, he felt that this might be a better way to communicate.

A group of police officers looked at the PCR machine that looked like it was boiling water, and they always felt that the sense of high-tech was not enough, and some people asked suspiciously: "Is this okay?"

What he meant was about a science fiction show in a movie, but it wasn't like that.

Yang Rui shrugged his shoulders and said, "That's it, we have added seals and locks to the machine, and we will reveal the secret tomorrow, believe me, this will be the most useful machine you have ever used." ”

"Better than a coffee machine?"

"Well, it's second only to the coffee machine. Yang Rui followed and made a joke, and it was rare for the Swedes to be willing to joke.