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7,977 results
  • Helix Shape Power-Dependent Properties of Single Upconversion Nanoparticles. [Journal Article]
    J Phys Chem Lett 2020Liao J, Jin D, … Zhou J
  • Non-blinking, non-bleaching and super-bright single upconversion nanoparticles have been recently discovered with non-linear power-dependent properties and can be switchable under dual beam excitations, which are ideal for super-resolution microscopy, single-molecule tracking, and digital assays. Here, we report that the brightness of Nd3+-Yb3+-Er3+ doped nanoparticles displays a pair of unusual …
  • Short term effects of continuous lighting on the cornea of cage-reared laboratory rabbits. [Journal Article]
    J Photochem Photobiol B 2019; 204:111764Doughty MJ
  • This study was to assess the impact on the cornea and eye blink activity of adapting rabbits to continuous lighting (CL) compared to a 14:10 light:dark cycle. Female New Zealand White rabbits (2 to 2.5 kg) were maintained under a light: dark (L:D) cycle or switched to continuous fluorescent lighting (CL) for an average of 17 +/- 2 days. Animal behaviour in their cages was manually recorded using …
  • Chaotic advection and mixing by a pair of microrotors in a circular domain. [Journal Article]
    Phys Rev E 2019; 100(6-1):062207Tallapragada P, Sudarsanam S
  • In this work we study chaotic mixing induced by point microrotors in a bounded two-dimensional Stokes flow. The dynamics of the pair of rotors, modeled as rotlets, are non-Hamiltonian in the bounded domain and produce chaotic advection of fluid tracers in subsets of the domain. A complete parametric investigation of the fluid mixing as a function of the initial locations of the rotlets is perform…
  • Eyelid Movement Command Classification Using Machine Learning. [Journal Article]
    Conf Proc IEEE Eng Med Biol Soc 2019; 2019:3637-3640Graybill PP, Kiani M
  • The Eyelid Drive System (EDS) is an assistive technology device intended to allow users to wirelessly control other devices, such as power wheelchairs and personal computers, using commands consisting only of blinking and winking. In this paper, four machine learning classifiers are trained on data taken from one subject and validated offline on the training subject plus two additional subjects. …
  • The Method for Visualization and Analysis of Eye-blinking Patterns using Dynamic Vision*. [Journal Article]
    Conf Proc IEEE Eng Med Biol Soc 2019; 2019:409-412Lee WH, Woo JH, Seo JM
  • This study proposes a method for measurement and visualization of eye blinking patterns using dynamic vision image. The dynamic vision data is the outputs of only the pixels with temporal luminance changes. Eye blinking analysis using dynamic vision data for can significantly reduce the time cost of comparing consecutive frames to find eyelid changes. In addition, image processing for analysis is…
  • Sex, Blinking, and Dry Eye. [Journal Article]
    J Neurophysiol 2020Culoso A, Lowe C, Evinger C
  • Blinking sustains the corneal tear film generated by sexually dimorphic lacrimal and meibomian glands. Our study examines whether trigeminal control of blinking is also sexually dimorphic by investigating trigeminal reflex blinking, associative blink modification, and spontaneous blinking in male and female rats before and after unilateral dry eye caused by exorbital gland removal. Before gland r…
  • Bulbocavernosus or anal reflex, one or both should be tested after spinal cord injury. [Review]
    Spinal Cord Ser Cases 2020; 6:4Graves DE
  • There are several methods for determining the remaining function of the sacral spinal cord following a spinal cord injury. Two of these methods are the bulbocavernosus and the anal wink reflexes. The choice of which reflex to use should be determined by the need for clinical information. These two reflexes provide similar information; however, they may have different prognostic value.
  • The sacral exam-what is needed to best care for our patients? [Review]
    Spinal Cord Ser Cases 2020; 6:3Previnaire JG, Alexander M
  • Sacral reflexes are important to allow the SCI practitioner to gain information about the state of the sacral spinal cord segments. The presence of the bulbocavernosus and/or the anal wink reflex indicate an intact spinal reflex arc and reflex conal autonomic function (as part of the upper motor neuron syndrome); their absence defines a lower motor neuron syndrome. The assessment of sacral reflex…
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