国产热热热精品,亚洲视频久久】日韩,三级婷婷在线久久,99人妻精品视频,精品九热人人肉肉在线,AV东京热一区二区,91po在线视频观看,久久激情宗合,青青草黄色手机视频

Global EditionASIA 中文雙語Fran?ais
China
Home / China / Innovation

Chinese, US scientists give mice night vision

By Zhu Lixin in Hefei | chinadaily.com.cn | Updated: 2019-03-01 20:59
Share
Share - WeChat

A recent scientific breakthrough made jointly by scientists in China and the United States will enable mammals to see in the dark, and also serve as the basis for fixing human beings' color blindness.

The achievement was published on Friday on Cell, a globally renowned scientific journal based in Massachusetts, by scientists from the University of Science and Technology of China (USTC) and the University of Massachusetts Medical School.

With a simple injection that contains nanoparticles, mice can be given infrared vision, for up to 10 weeks without any obvious side effect, the study found.

Humans and other mammals can only see light within a wavelength of 700 nanometres, according to Xue Tian, corresponding author of the paper and a neuroscience professor from USTC, based in Hefei, capital of East China's Anhui province.

When light enters the eye and hits the retina, the rods and cones, or photoreceptor cells, absorb the photons with visible light wavelengths and send corresponding electric signals to the brain, according to the Cell paper, citing Han Gang, a nanomaterial professor from University of Massachusetts Medical School.

"Because infrared wavelengths are too long to be absorbed by photoreceptors, we are not able to perceive them," said Han.

In this study, when infrared light hits the retina, the nanoparticles capture the longer infrared wavelengths and emit shorter wavelengths within the visible light range. The nearby rod or cone then absorbs the shorter wavelength and sends a normal signal to the brain, as if visible light had hit the retina.

Other fields for application of the technology include civilian security, military operations and medical treatment for visual defects, said Xue.

Top
BACK TO THE TOP
English
Copyright 1994 - . All rights reserved. The content (including but not limited to text, photo, multimedia information, etc) published in this site belongs to China Daily Information Co (CDIC). Without written authorization from CDIC, such content shall not be republished or used in any form. Note: Browsers with 1024*768 or higher resolution are suggested for this site.
License for publishing multimedia online 0108263

Registration Number: 130349
FOLLOW US
 
徐汇区| 高州市| 太康县| 乌兰察布市| 淅川县| 焉耆| 平武县| 青浦区| 开江县| 滦平县| 金堂县| 体育| 荣成市| 岐山县| 万荣县| 英山县| 久治县| 阿拉善左旗| 陇西县| 锦州市| 登封市| 崇左市| 日喀则市| 静海县| 江阴市| 南靖县| 永德县| 佛坪县| 苗栗县| 朝阳区| 迁西县| 鹿泉市| 泊头市| 冀州市| 出国| 广平县| 金秀| 北京市| 镇原县| 万山特区| 建水县|