How to subculture (passage) primary cells

2024/05/0305:17:05 science 88747

How to subculture (passage) primary cells - DayDayNews

How to subculture (passage) primary cells - DayDayNews

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According to reports, China's import dependence on high-end scientific instruments ranks in the top three along with chips and oil, with the import dependence reaching 90%, which is higher than chips and oil. At a time when China's scientific research is advancing to the high end - DayDayNews

According to reports, China's import dependence on high-end scientific instruments ranks in the top three along with chips and oil, with the import dependence reaching 90%, which is higher than chips and oil. At a time when China's scientific research is advancing to the high end

The road to breakthrough for China’s high-end scientific instruments

05/31 1696

"Golden Heart Double Color" Bougainvillea Petunia "Guangzhou No. 1". The flowers are huge, with a diameter of up to 10 centimeters, one-third larger than ordinary petunias. It is especially suitable for the hot and humid weather in Guangzhou, and is suitable for various planting - DayDayNews

"Golden Heart Double Color" Bougainvillea Petunia "Guangzhou No. 1". The flowers are huge, with a diameter of up to 10 centimeters, one-third larger than ordinary petunias. It is especially suitable for the hot and humid weather in Guangzhou, and is suitable for various planting

How many of these new varieties do you know?

05/31 1148

-196°C, which is a temperature that makes people feel very strange, and this number is the liquid nitrogen temperature at which umbilical cord blood hematopoietic stem cells are safely stored. So, why should umbilical cord blood be stored at this temperature? Can the quality and - DayDayNews

-196°C, which is a temperature that makes people feel very strange, and this number is the liquid nitrogen temperature at which umbilical cord blood hematopoietic stem cells are safely stored. So, why should umbilical cord blood be stored at this temperature? Can the quality and

Can the quality and quantity of umbilical cord blood stored in liquid nitrogen at -196°C be maintained?

05/31 1696

Denise Kühnert and other researchers from the Max Planck Institute in Germany extracted hepatitis B virus sequences from 137 early human samples located in western Eurasia and the Americas from about 400 to 10,500 years ago and analyzed their evolution. - DayDayNews

Denise Kühnert and other researchers from the Max Planck Institute in Germany extracted hepatitis B virus sequences from 137 early human samples located in western Eurasia and the Americas from about 400 to 10,500 years ago and analyzed their evolution.

Science | The evolution of hepatitis B virus over the past ten thousand years

05/30 1650

Before this, we all know that our country has the largest rare earth reserves in the world, about 44 million tons, followed by Mongolia with about 31 million tons, and Brazil with 2,200 tons. Thousands of tons of rare earths are called industrial gold. - DayDayNews

Before this, we all know that our country has the largest rare earth reserves in the world, about 44 million tons, followed by Mongolia with about 31 million tons, and Brazil with 2,200 tons. Thousands of tons of rare earths are called industrial gold.

Türkiye claims that it has discovered the world's largest rare earth resources, which can be used for thousands of years. What impact will it have on China?

05/30 1634

The device is mainly used to construct the three-dimensional stress environment of rock samples under formation conditions. It uses real fracturing materials and fracturing processes to conduct fracturing simulation experiments. Its technology is leading and can simulate in-situ - DayDayNews

The device is mainly used to construct the three-dimensional stress environment of rock samples under formation conditions. It uses real fracturing materials and fracturing processes to conduct fracturing simulation experiments. Its technology is leading and can simulate in-situ

[Industrial Development] A 10,000-ton ultra-large hydraulic fracturing simulation experimental device was “born” in our city

05/30 1032

The Fields Medal is an international mathematics award proposed by Canadian mathematician Fields. It is one of the highest international awards in the field of mathematics. Because the Nobel Prize does not include a mathematics prize, the Fields Medal is also known as the "Nobel - DayDayNews

The Fields Medal is an international mathematics award proposed by Canadian mathematician Fields. It is one of the highest international awards in the field of mathematics. Because the Nobel Prize does not include a mathematics prize, the Fields Medal is also known as the "Nobel

A woman in war-torn Ukraine won the Nobel Prize in mathematics, the second female winner in history

05/30 1904

As we grow older, we always seem to lose something. Many people who move from remote villages to metropolitan areas always lament that since arriving in the city, they can rarely see the bright Milky Way. Due to various reasons, we all seem to have lost the opportunity to "apprec - DayDayNews

As we grow older, we always seem to lose something. Many people who move from remote villages to metropolitan areas always lament that since arriving in the city, they can rarely see the bright Milky Way. Due to various reasons, we all seem to have lost the opportunity to "apprec

Why is it so hard for us to see the Milky Way now? In a hundred years, humans may not be able to see a single star

05/30 1754

The droplets or deposits formed by liquid-liquid phase separation can help cells assemble functional structures to help them perform normal functions. However, currently little is known about the localization rules of its formation rate and the causes of its specificity (1). - DayDayNews

The droplets or deposits formed by liquid-liquid phase separation can help cells assemble functional structures to help them perform normal functions. However, currently little is known about the localization rules of its formation rate and the causes of its specificity (1).

Nature | How to produce liquid-liquid phase separation droplets at regular intervals?

05/30 1054

Researchers such as Roger Geiger from the University of Ticino in Switzerland creatively modified a strain of Escherichia coli to adjust the tumor microenvironment and enhance the effect of immunotherapy. - DayDayNews

Researchers such as Roger Geiger from the University of Ticino in Switzerland creatively modified a strain of Escherichia coli to adjust the tumor microenvironment and enhance the effect of immunotherapy.

Nature | Modifying bacteria to adjust the tumor microenvironment and enhance the effect of immunotherapy

05/30 1778

The oxygen content of the air is only about 40% of that in the plains, and the annual average temperature is below 0 degrees Celsius. Looking around, you can see the boundless plateau alpine desert grassland. This is the Qiangtang National Nature Reserve, known as the "forbidden - DayDayNews

The oxygen content of the air is only about 40% of that in the plains, and the annual average temperature is below 0 degrees Celsius. Looking around, you can see the boundless plateau alpine desert grassland. This is the Qiangtang National Nature Reserve, known as the "forbidden

Meteorological service records of "life forbidden zone"

06/01 1299

A new Tel Aviv University study proposes a new AIDS treatment that could be turned into a vaccine or a one-time treatment for HIV patients. The study looked at modifying type B white blood cells in patients so that they release anti-HIV antibodies in response to the virus. - DayDayNews

A new Tel Aviv University study proposes a new AIDS treatment that could be turned into a vaccine or a one-time treatment for HIV patients. The study looked at modifying type B white blood cells in patients so that they release anti-HIV antibodies in response to the virus.

Scientists propose potential AIDS treatment: HIV may be defeated with a single injection

06/01 1843

Shape memory polymers have broad application prospects in biomedical and mechanical engineering. However, most shape memory polymer programming processes require heating, such as water baths and oil baths. However, this environmental indirect heating method has limited heating ra - DayDayNews

Shape memory polymers have broad application prospects in biomedical and mechanical engineering. However, most shape memory polymer programming processes require heating, such as water baths and oil baths. However, this environmental indirect heating method has limited heating ra

Jilin University and Huazhong University of Science and Technology joint research-shape memory polymer co-extrusion 4D printing strategy

06/01 1109

Amorphous calcium carbonate (ACC) calcium supplement developed by Israeli biotech company Amorphical was tested in space and results show that it can improve muscle performance in zero gravity. , strengthen and build bones, provide body functions, and enhance immunity. - DayDayNews

Amorphous calcium carbonate (ACC) calcium supplement developed by Israeli biotech company Amorphical was tested in space and results show that it can improve muscle performance in zero gravity. , strengthen and build bones, provide body functions, and enhance immunity.

Technology Frontier | Israel’s innovative ACC technology opens a new era of “space settlement”

06/01 1646

In mid-to-late June, a professional monitoring found that Chinese horseshoe crabs were found all over the coastal tidal flats of the Hepu Dugong National Nature Reserve in Guangxi. The maximum density per unit quadrat was as high as 53.1 birds/100 square meters, ranking first in - DayDayNews

In mid-to-late June, a professional monitoring found that Chinese horseshoe crabs were found all over the coastal tidal flats of the Hepu Dugong National Nature Reserve in Guangxi. The maximum density per unit quadrat was as high as 53.1 birds/100 square meters, ranking first in

With a density of 53.1 horseshoe crabs per 100 square meters, the density of horseshoe crabs in Guangxi ranks first in the country.

06/01 1214

There are no identical creatures on the earth, and there are no identical individuals. Even identical twins will have such differences. However, scientists have concluded that there is only one ancestor of these various creatures living on the earth. Then the creatures on the ear - DayDayNews

There are no identical creatures on the earth, and there are no identical individuals. Even identical twins will have such differences. However, scientists have concluded that there is only one ancestor of these various creatures living on the earth. Then the creatures on the ear

How is the direction of biological evolution determined?

06/01 1334

The reputation that . TheHug.xyz, a social platform developed by Randy Zuckerberg, founder of Facebook Live, and Debi Sune, founder of venture capital firm M13, embraces and empowers all web3 creators. - DayDayNews

The reputation that . TheHug.xyz, a social platform developed by Randy Zuckerberg, founder of Facebook Live, and Debi Sune, founder of venture capital firm M13, embraces and empowers all web3 creators.

Cryptocurrency custody startup Entropy.xyz secures $170 million in funding

06/01 1099

On February 14, the "14th Five-Year Plan National Emergency System Plan" released by the State Council proposed that efforts will be made to increase safety production in hazardous chemicals, chemical industry parks, gas and other industries. - DayDayNews

On February 14, the "14th Five-Year Plan National Emergency System Plan" released by the State Council proposed that efforts will be made to increase safety production in hazardous chemicals, chemical industry parks, gas and other industries.

"Haiqing Video" AI three-spectrum technology helps intelligent construction of emergency management

06/01 1967

Home is a warm harbor and the destination of the soul. When a person is tired and injured from wandering outside, he always thinks of going home and staying for a while, so that he can regain his energy and fight again. Parents will never dislike their sons. No matter what situat - DayDayNews

Home is a warm harbor and the destination of the soul. When a person is tired and injured from wandering outside, he always thinks of going home and staying for a while, so that he can regain his energy and fight again. Parents will never dislike their sons. No matter what situat

A woman from Anhui drove back to her parents' home after getting divorced, but was asked to give the car to her younger brother so that he could have a car and get a wife.

06/01 1816

[The husband wants to divorce, but the wife’s words are admirable, and the final choice moves the whole audience] https://mr.baidu.com/r/ITY8983m9O? - DayDayNews

[The husband wants to divorce, but the wife’s words are admirable, and the final choice moves the whole audience] https://mr.baidu.com/r/ITY8983m9O?

"The husband wanted to divorce, but his wife's words were admirable, and her final choice moved the whole audience" Comment

06/01 1766

In this tug of love and marriage, are you okay? To be honest, as a 28-year-old girl who is unmarried and has no children, I am not very good. Along the way, I felt that I was walking in a hurry, and was being driven by the world invisibly. Although I finally made it to the presen - DayDayNews

In this tug of love and marriage, are you okay? To be honest, as a 28-year-old girl who is unmarried and has no children, I am not very good. Along the way, I felt that I was walking in a hurry, and was being driven by the world invisibly. Although I finally made it to the presen

When it comes to love and marriage, I don’t want to please anyone but myself.

06/01 1053

We often think that if two people get married, such a couple's name would be better. But now many young couples fall in love and call their wives habitually. Can a man call a woman his wife? In fact, sometimes boys call their girlfriends their wives, but there are also girls whos - DayDayNews

We often think that if two people get married, such a couple's name would be better. But now many young couples fall in love and call their wives habitually. Can a man call a woman his wife? In fact, sometimes boys call their girlfriends their wives, but there are also girls whos

What does a man think when he calls his girlfriend wife?

06/01 1251