Scientists Can Detect Diseases And Water Quality In Manufacturing Mobile Phone

Leadership laboratory created a prototype phone with special features: can be used to monitor AIDS

, malaria patient's condition can also be used to detect the affected areas less developed, or water quality. In this phone, the researchers introduced an innovative imaging technology, and invented the technology is currently working in the University of California, Berkeley, Professor Ozcan.

Technology invented by Professor Ozcan called "no-lens-based image super-wide silhouette vision unit to monitor the array" (LenslessUltra-wide-fieldCellmonitoringArrayplatformbasedonShadowimaging, called LUCAS), has been successfully applied to the mobile phone and network camera head. Whether mobile phones or cameras, are actually using the same imaging method: use of short-wavelength blue light blood, saliva or other liquid samples, and then through a sensor array, to capture the particulate sample images.

As liquid samples in the different particles have different diffraction patterns (diffractionpattern), so through the decision-making algorithm (custom-developed), and particle atlas has been compared, LUCAS soon be able to identify the type of sample particles. Then, people could use their mobile phones LUCAS collected data sent to the hospital for further analysis and diagnosis, or use USB interface to transfer data to a computer, and then be sent to medical institutions.

However, LUCAS phone is not a substitute for the microscope, but rather a complementary tool. And LUCAS generated images grainy and pixel-based comparison, the image under the microscope even more delicate. But LUCAS has its own advantages: in many cases, people can not always carry microscope, while the phone was able to promptly identify LUCAS liquid samples in the particle type, and counting. In addition, because LUCAS imaging without lenses, so there is only one factor to limit the size of the phone LUCAS: LUCAS chip size of the building. Professor

Ozcan said Professor: "LUCAS technique not only for health care in the field, in the field of cell biology is also a good prospect. Typically, researchers statistics when the number of blood cells, are using streaming cytometry (flow-cytometer), one can only record a cell, but it can also record LUCAS imaging thousands of cells, the accuracy was no worse than the flow cytometer. "

2008 12 5, Ozcan, Professor at the "lab on a chip" magazine (LabonaChip) published articles that, after a series of improvements, he created a second-generation LUCAS system?? Holographic LUCAS ( holographicLUCAS). Improved, holographic LUCAS can identify more small particles, such as E. coli, which is the first generation LUCAS can not do. By changing the spatial location of the light source, capture LUCAS dimensional holographic particle image than the classical particle imaging with more information. Professor

Ozcan plan the next few years to really integrate into the system LUCAS handheld devices such as mobile phones. With these devices, people even in remote areas can also monitor the disease situation in a timely manner, so that medical institutions can do for prevention and control of key areas. In addition, LUCAS system can also be used to monitor water quality, such as detection of harmful particles in drinking water. LUCAS display system in Japan, the Tokyo University and Kyushu University scientists had also contact with Professor Ozcan, hoping the system for earthquake relief.

Scientists Can Detect Diseases And Water Quality In Manufacturing Mobile Phone

By: zzj89@foxmail.com

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