Doctors typically use $100,000 worth of equipment to detect a patient's cancer. Is this a waste of money? It may seem like this.
Researchers from the Massachusetts Institute of Technology are conducting a technical test, a technique known as fluorescence lifetime imaging, which costs only $100.
"Now, the cost of the device is $100,000, Ayush Bhandari," a graduate student at the Massachusetts Institute of Technology Media Lab and one of the system's developers, told the Boston Business Journal. “No matter what biological laboratory, they will only share resources with each other or share research results, but in fact, pure research from the market will only be counterproductive, but if the laboratory can display some consumer products for sale, Users generate purchase intentions, which not only accelerates research progress, but also speeds up cancer diagnosis and saves time."
So the $100 product clearly reduces costs, and practical diagnostic techniques will become more popular in developing countries.
This technology uses fluorescence lifetime, the fluorescence luminescence time technique, which absorbs light and re-emits light in a short time. By reacting with specific chemicals, the time interval between absorption and emission of fluorescence can be altered by a predictable intervention. For cancer cells, fluorescent materials take longer to absorb and emit these light, which is costly to measure using current microscopy techniques.
Researchers at the Massachusetts Institute of Technology have found out how to use cheaper technology, actually similar to Microsoft Kinect, combined with specific computer algorithms to get the same fluorescence time data.
As reported by the Boston Business Journal:
Like Kinect technology, the time-of-flight sensor "sees" the image in a similar way to a bat flight. A bat uses a pulse to navigate in the air, and a pulsed sound wave hits an obstacle and bounces the signal. But time-of-flight sensors don't use sonar like bats, the technology they use is the pulse of light. Although the Kinect tool usually measures the distance between objects, because time and distance are linearly related, scientists can also measure time.
The key to the problem is that the sensor is not sensitive enough to measure time quickly. To this end, researchers have found a way to emit 50 different frequency light waves. With this data, the computer can find an equation that fits all measured distances and times.
At present, MIT has a large project to improve the imaging technology of time-of-flight sensors, and even use the camera to observe the corner image. "We are exploring the use of extended-time imaging technology, and hope to benefit all imaging. Detecting, and filling the gap, will not be possible," Bhandari said.
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