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    Optical Sensor tagged posts

    Breakthrough Optical Sensor mimics human Eye, a key step toward better AI

    December 9, 2020, Categories  Biology/Biotechnology, Health/Medical

    1. (a) Cross-sectional diagram of the photosensitive capacitor employed as a retinomorphic sensor. Au is gold, Perovskite is methylammonium lead iodide (MAPbI3), SiO2 is silicon dioxide, and Si++ is highly doped (conducting) silicon. (b) Circuit diagram of the measurement setup. (c) Optical power density (P
    P) incident on the sensor as a function of time. (d) Experimentally measured VR
    R as a function of time.

    Researchers at Oregon State University are making key advances with a new type of optical sensor that more closely mimics the human eye’s ability to perceive changes in its visual field.

    The sensor is a major breakthrough for fields such as image recognition, robotics and artificial intelligence...

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    A World-first Optical Sensor has been developed that can Detect vitamin B12 in diluted human Blood

    October 17, 2016, Categories  Biology/Biotechnology, Health/Medical

    Georgios Tsiminis in his photonics laboratory. Credit: University of Adelaide

    Georgios Tsiminis in his photonics laboratory. Credit: University of Adelaide

    A 1st step towards a low-cost, portable, broadscale vitamin B12 deficiency test has been developed. Vitamin B12 deficiency is associated with an increased risk of dementia and Alzheimer’s disease. Such a device would enable the tracking of vitamin B12 levels in high-risk patients and early intervention – to top up vitamin B12 levels when low – and help overcome the limitations of current testing methods which are time-consuming and costly.

    “Vitamin B12 deficiency has been shown to be a potential modifiable risk factor for dementia and Alzheimer’s disease and is associated with cognitive decline,” says Dr Georgios Tsiminis, Research Fellow at the University of Adelaide...

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