1. Articles from Thomas P. J. Linsinger

    1-2 of 2
    1. Improved non-invasive Optical Coherence Tomography detection of different engineered nanoparticles in food-mimicking matrices

      Improved non-invasive Optical Coherence Tomography detection of different engineered nanoparticles in food-mimicking matrices

      Food industry and regulators require fast and reliable analytical methods for quality control. This especially counts for the detection of engineered nanomaterials (ENMs) in food products. Respective EU regulation is in force, but the development of appropriate methods is still underway. This paper updates the scope of Optical Coherence Tomography (OCT) for ENM/food matrix analysis. A range of nanomaterials and composites – Au@SiO 2 , Ag, Ag@SiO 2 and SiO 2 – in a simplified food matrix was investigated. The earlier finding of linear dependencies between concentration in the dispersion and light responses could be reproduced. Being able to analyse ...

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    2. Feasibility of non-invasive detection of engineered nanoparticles in food mimicking matrices by Optical Coherence Tomography

      Feasibility of non-invasive detection of engineered nanoparticles in food mimicking matrices by Optical Coherence Tomography

      The study was dedicated towards the detection of Engineered Nanoparticles (ENPs) by means ofOptical Coherence Tomography (OCT). Polymeric films were produced to mimic complex food matrices whereas gold nanorods (AuNRs) were embedded to act as ENPs. The straightforward coating application resulted in a sufficient film wetting, adhesion and homogenous AuNR distribution. Compared to food samples, these films are simpler and better defined. Such artefacts are therefore promising candidate materials for quality assurance and regulatory matters. The OCT investigations revealed a dependency of the measured signal intensity on the AuNR concentration in the film. The limit of detection for the setup ...

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    1-2 of 2
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  2. Topics in the News

    1. (2 articles) Dresden University of Technology
    2. (2 articles) Edmund Koch
    3. (2 articles) Lars Kirsten
    4. (1 articles) Kawasaki Medical School
    5. (1 articles) Tianjin University
    6. (1 articles) Harbin Medical University
    7. (1 articles) Hector M. Garcia-Garcia
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    Feasibility of non-invasive detection of engineered nanoparticles in food mimicking matrices by Optical Coherence Tomography Improved non-invasive Optical Coherence Tomography detection of different engineered nanoparticles in food-mimicking matrices Both speckle reduction and contrast enhancement for optical coherence tomography via sequential optimization in the logarithmic domain based on a refined Retinex model OCT parameters of the optic nerve head and the retina as surrogate markers of brain volume in a normal population, a pilot study Choroidal vessel density in unilateral hyperopic amblyopia using en-face optical coherence tomography Association between food and nutrients intakes and coronary plaque vulnerability in patients with coronary heart disease: An optical coherence tomography study Optical Coherence Tomography based treatment approach for patients with Acute Coronary Syndrome Using OCT Fixation Shift to Assess Eccentric Fixation in Children With Residual Amblyopia Intraretinal microvascular changes after ERM and ILM peeling using SSOCTA Image sensor for spectral-domain optical coherence tomography on a chip Identifying Diabetic Macular Edema and Other Retinal Diseases by Optical Coherence Tomography Image and Multiscale Deep Learning Factors Associated with Changes in Retinal Layers Following Acute Optic Neuritis: A Longitudinal Study Using Optical Coherence Tomography