1. Articles from Xingdao He

    1-3 of 3
    1. A preliminary study of shaker-based optical coherence elastography for assessment of gingival elasticity

      A preliminary study of shaker-based optical coherence elastography for assessment of gingival elasticity

      Studies on the changes in biomechanical properties of the gingiva are significant, since they are closely related to the pathological process of gingivitis and periodontitis. Although some research has been conducted, the currently used techniques are not feasible for in vivo and clinical measurements due to their disadvantages, such as the invasive nature and the requirement of thin sectioning. In this study, we developed a shaker-based optical coherence elastography system which provides noninvasive measurement, high axial resolution, high displacement sensitivity, and real-time imaging, and explored its potential for the detection of gingival elasticity. The system was tested by an agar ...

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    2. Quantification of iris elasticity using acoustic radiation force optical coherence elastography

      Quantification of iris elasticity using acoustic radiation force optical coherence elastography

      Careful quantification of the changes in biomechanical properties of the iris can offer insight into the pathophysiology of some ocular diseases. However, to date there has not been much information available regarding this subject because clinical detection for iris elasticity remains challenging. To overcome this limitation, we explore, for the first time to our knowledge, the potential of measuring iris elasticity using acoustic radiation force optical coherence elastography (ARF-OCE). The resulting images and shear wave propagation, as well as the corresponding shear modulus and Young’s modulus from ex vivo and in vivo rabbit models confirmed the feasibility of this ...

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    3. Perspective: Current challenges and solutions of Doppler optical coherence tomography and angiography for neuroimaging

      Perspective: Current challenges and solutions of Doppler optical coherence tomography and angiography for neuroimaging

      The nervous system, based on a complex network of nerves and cells, carries messages by transmitting signals to and from different parts of the body. The supply of blood flow in the nervous system is critical to maintain physiological functions. Optical coherence tomography (OCT) has the ability to noninvasively image the microvascular networks and accurately quantify the blood flow in vivo with high spatial and temporal resolutions in three dimensions. It has been used to measure changes in blood supplies and assess physiological functions before and after occurrences of diseases, drug administration, and external stimulation in the nervous system, especially ...

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      Mentions: UC Irvine
    1-3 of 3
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    Perspective: Current challenges and solutions of Doppler optical coherence tomography and angiography for neuroimaging Quantification of iris elasticity using acoustic radiation force optical coherence elastography A preliminary study of shaker-based optical coherence elastography for assessment of gingival elasticity Structural abnormalities associated with glaucoma using swept-source optical coherence tomography in patients with systemic sclerosis Clinical presentation does not affect acute mechanical performance of the Novolimus-eluting bioresorbable vascular scaffold as assessed by optical coherence tomography Evaluating optical coherence tomography (OCT) findings as potential biomarkers in central nervous system (CNS) lymphoma with or without ocular involvement Polarization sensitive optical coherence tomography with single input for imaging depth-resolved collagen organizations Etanercept Therapy for Nails Psoriasis Monitoring With Noninvasive Imaging The Use of Optical Coherence Tomography to Asscess Water Transport Through The Urothelium of The Porcine Bladder Evaluation of the Effect of Covid-19 on Optic Disk and Macula with OCT and OCT-Angiography Simulating scan formation in multimodal optical coherence tomography: angular-spectrum formulation based on ballistic scattering of arbitrary-form beams Polypoidal Choroidal Vasculopathy Diagnosis and Neovascular Activity Evaluation Using Optical Coherence Tomography Angiography