Release date: 2010-05-12
American scientists have invented one of the world's smallest and lightest miniature microscopes. The new lensless imaging technology product is said to reduce medical costs, provide a fast and inexpensive medical diagnostic technology for areas with limited medical resources, and advance telemedicine. The research report was published online in the recent edition of the Royal Society of Chemistry Lab on a Chip.
According to reports, Edona Ozcan, an associate professor of electrical engineering at the University of California, Los Angeles, used a microscope called "focal-based ultra-wide field-of-view unit monitoring array platform based on silhouette imaging" (LUCAS). Imaging technology. LUCAS is characterized by abandoning the lens used to magnify objects, illuminating objects and digital sensing arrays with LEDs to capture images, resulting in holographic images of particles or cells. The analysis sample is loaded via a small chip.
Weighing only 46 grams, the microscope is a self-contained imaging device with a single peripheral that is powered by a USB port that can be connected to a smartphone, PDA or computer. In addition to being more compact and lighter than conventional microscopes, the lensless microscope eliminates the need for imaging analysis by a professional technician, and the images are instantly analyzed by computer. Coupled with some less expensive accessories, it can also be converted into a differential interference contrast microscope, which costs only $100 to $200. A differential interference contrast microscope can be used to obtain density information for a sample, and to form a stereoscopic image by highlighting the contrast of lines and edges.
In areas with limited medical resources, especially in some countries in Africa, the two key needs for medical care are: ease of use and durability. The large field of view imaging of the microscope eliminates the need for the sample to be scanned or precisely aligned within the microscope; the operation is as simple as filling the sample with the chip and then moving it into a slot on the side of the microscope; The aperture also avoids problems caused by debris blocking the light source; in addition, the microscope is quite robust due to the few moving parts; and can be digitally integrated as part of a telemedicine network to fill basic medical facilities and mobile healthcare A new product with gaps between tools.
(Source: China Medical News)
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