The printing technique originated in China has made a great contribution in cultural communication, and it has also appeared in the field of cell research recently. According to Hong Kong ’s “Oriental Newspaper†reported on February 13, a scientific team led by Chinese scientists in the United States recently introduced Chinese woodblock printing technology thousands of years ago into live cell printing, which has been widely used in laboratory labor Inkjet printing for cell sample printing. This printing method with Chinese characteristics not only improves the survival rate of living cells, expands the shape of cell printing, but also reduces costs.
Scientist Zhang Kai, who leads woodblock printing research, is from the Houston Methodist Research Institute. He said: "Woodblock printing is an efficient and convenient technology, which has revolutionized the entire printing industry." Not only is it difficult for inkjet printing to lay down a single cell layer, the printing results sometimes have errors. The biggest drawback is that the survival rate of live cells after printing is only 50% to 80%. This research result was recently published in the Proceedings of the National Academy of Sciences.
According to reports, woodblock printing, which originated in China, has also been used for molecular printing with high accuracy in the past 20 years. Zhang Kai ’s scientific team found that woodblock printing, which they called “block-cellâ€, can efficiently print various biological cells into various shapes on any surface. It takes half an hour to live cells. It was printed flat, with a survival rate of nearly 100%. In addition, woodblock printing costs US $ 1 (about RMB 6.06) per mold, compared to tens of thousands or even hundreds of thousands of dollars for inkjet printing.
2-10 Makeup Brush sets are used. Many people don`t know much about makeup sets. There are too many practical skills for makeup brushes.
1. The big brush
It can be used as a base for large areas of eye shadow, and can also be used as a splash foundation.
2. Foundation Brush
The role of the foundation brush is to apply liquid foundation and foundation cream to evenly make up the face;
The foundation brush can be selected according to the following points: the density of the bristles should be tight and the quality of the bristles is harder; the bristles should be oblique trapezoid, and the brushes with good elasticity of the bristles should be selected; it is best to choose mink or synthetic fibers in terms of material.
3. Nose bridge brush
How to use the nose bridge brush
4. Fan Brush
The main function of the fan brush is to sweep away excess loose powder and eye shadow powder on the face.
5. Eye shadow brush
Eye shadow brushes can show soft colors, and can be subdivided into many different styles according to their functions. If you don't know how to choose, it is recommended to buy a large, medium and small eyeshadow brush first;
A large brush is used to apply light-colored eyeshadow as a primer; a medium-sized brush can be used to retouch the eye area more delicately; a small-sized brush is used to refine the eyeshadow, especially one with a tight, angled brush head, which can be used to strengthen the eyes Outline.
6. Concealer Brush
Concealer brushes, as the name suggests, are used to apply concealer products to the areas that need to be concealed, such as spots, acne marks, dark circles, etc. It can help you to create the details. Usually used in conjunction with a foundation brush, using a concealer brush can make the concealer more even and natural.
7. Lip Brush
Lip brush, lip balm and lip gloss, can also be used to brush eyeliner, when applying lipstick, start from the lower lip. In the drawn lip line, apply from the inside out. When applying lip gloss with a lip brush, do not use too much force, and do not bend the bristles too much, so as not to fall off and break.
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