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  1. In situ detection of endogenous HIV activation by dynamic nuclear polarization nmr and flow cytometry 

    Overall S.A.; Price L.E.; Albert B.J.; et al. (2020)
    International Journal of Molecular Sciences
    © 2020 by the authors. Licensee MDPI, Basel, Switzerland. We demonstrate for the first time in-cell dynamic nuclear polarization (DNP) in conjunction with flow cytometry sorting to address the cellular heterogeneity of in-cell samples. Utilizing a green fluorescent protein (GFP) reporter of HIV reactivation, we correlate increased15N resonance intensity with cytokine-driven HIV reactivation in a human cell line model of HIV latency. As ...
    Journal Article
  2. Simple, accurate and user-friendly differential constitutive model for the rheology of entangled polymer melts and solutions from nonequilibrium thermodynamics 

    Stephanou P.S.; Tsimouri I.C.; Mavrantzas V.G. (2020)
    Materials
    © 2020 by the authors. In a recent reformulation of the Marrucci-Ianniruberto constitutive equation for the rheology of entangled polymer melts in the context of nonequilibrium thermodynamics, rather large values of the convective constraint release parameter βccr had to be used in order for the model not to violate the second law of thermodynamics. In this work, we present an appropriate modification of the model, which avoids the splitting ...
    Journal Article
  3. Elastic stresses reverse Ostwald ripening 

    Rosowski K.A.; Vidal-Henriquez E.; Zwicker D.; et al. (2020)
    Soft Matter
    When liquid droplets nucleate and grow in a polymer network, compressive stresses can significantly increase their internal pressure, reaching values that far exceed the Laplace pressure. When droplets have grown in a polymer network with a stiffness gradient, droplets in relatively stiff regions of the network tend to dissolve, favoring growth of droplets in softer regions. Here, we show that this elastic ripening can be strong enough ...
    Journal Article
  4. Single plasmon spatial and spectral sorting on a crystalline two-dimensional plasmonic platform 

    Kumar U.; Bolisetty S.; Mezzenga R.; et al. (2020)
    Royal Society of Chemistry
    In the context of the emerging field of quantum plasmonics, we demonstrate in this manuscript the wavelength-dependent propagation and sorting of single plasmons launched in a two-dimensional crystalline gold flake by a broadband quantum nanoemitter. The stream of single plasmons in the visible is produced by a nanodiamond hosting a single nitrogen-vacancy color center positioned in the near field of the mesoscopic metallic microplatelet. ...
    Journal Article
  5. A dynamic masking technique for particle image velocimetry using convolutional autoencoders 

    Vennemann B.; Rösgen T. (2020)
    Experiments in Fluids
    © 2020, Springer-Verlag GmbH Germany, part of Springer Nature. Abstract: Particle image velocimetry is an established technique for optical flow measurement, in which the local fluid velocity is derived from the motion of passive tracer particles. This motion is typically computed by a cross-correlation of small interrogation windows from subsequent image frames. Masking of objects within a velocimetry image is required to avoid correlation ...
    Journal Article

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