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Laser-Based Method Detects Optical Forces in Blood

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WASHINGTON, Oct. 19, 2011 — A new laser-based analysis method can detect optical pressure differences among classes of blood cells, and it doesn't rely on prior knowledge, antibodies or fluorescent labels for discrimination. Scientists at the US Naval Research Laboratory wanted to find an alternative to biological analysis systems that rely on labels, as they can be costly and labor-intensive. So the investigators tested the efficacy of optical pressure in identifying the various components of whole blood. When a laser beam impinges on a biological particle, a force is generated due to the scattering and...Read full article

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    Published: October 2011
    Alex TerrayAmericasantibody-free detectionBiophotonicsblood cellsblood-borne pathogensColin G. Heberterythrocytesfluorescent labelsgranulocyteslaser-based analysislymphocytesMicroscopymonocytesoptical pressureOpticsResearch & TechnologySean J. HartUS Naval Research LaboratoryWashington DCLasers

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