Articles that mention Northwestern University -Optical Coherence Tomography News

Northwestern University

0 Comments Leave a Comment

1-15 of 87 1 2 3 4 5 6 »
1. Mentioned In 87 Articles
2. Biological tissue analysis by inverse spectroscopic optical coherence tomography
  
  Explore uspto.gov Jun 13 2017 Patents
  
  A method and system to measure and image the full optical scattering properties by inverse spectroscopic optical coherence tomography (ISOCT) is disclosed. Tissue is modeled as a medium with continuous refractive index (RI) fluctuation and such a fluctuation is described by the RI correlation functions. By measuring optical quantities of tissue (including the scattering power of the OCT spectrum, the reflection albedo .alpha. defined as the ratio of scattering coefficient ...
  Read Full Article
  
  Comment
  
  Mentions: Northwestern University Vadim Backman Ji Yi
3. Northwestern University Receives NIH Grant for Oxygen Delivery and Metabolism in Diabetic Retinopathy Using Visible-Light Optical Coherence Tomography
  
  Explore Optical Coherence Tomography News May 30 2017 Funding
  
  ... and inform future strategies for improved monitoring of the functional status of the retina in DR in humans. Northwestern University Receives a 2017 NIH Grant for $48,576 for Oxygen Delivery and Metabolism in Diabetic R...
  Read Full Article
  
  Comment
  
  Mentions: National Institutes of Health Northwestern University
4. Colposcopic imaging using visible-light optical coherence tomography
  
  Explore SPIE | Journal May 12 2017 Gynecology
  
  High-resolution colposcopic optical coherence tomography (OCT) provides key anatomical measures, such as thickness and minor traumatic injury of vaginal epithelium, of the female reproductive tract noninvasively. This information can be helpful in both fundamental investigations in animal models and disease screenings in humans. We present a fiber-based visible-light OCT and two probe designs for colposcopic application. One probe conducts circular scanning using a DC motor, and the other probe is ...
  Read Full Article
  
  Comment
  
  Mentions: Northwestern University Hao F. Zhang Cheng Sun
5. Optical Coherence Tomography Angiography Potential Artifacts in Acute Macular Neuroretinopathy
  
  Explore The JAMA Network May 5 2017 Ophthalmology
  
  To the Editor We read with interest the report by Thanos et al 1 on optical coherence tomographic angiography (OCTA) in acute macular neuroretinopathy (AMN). 1 Based on their imaging results, the authors concluded that choriocapillaris nonperfusion contributes to the development of AMN.
  Read Full Article
  
  Comment
  
  Mentions: Northwestern University
6. Devices, methods, and systems of functional optical coherence tomography
  
  Explore uspto.gov Apr 11 2017 Ophthalmology , Patents
  
  The present disclosure provides systems and methods for the determining a rate of change of one or more analyte concentrations in a target using non invasive non contact imaging techniques such as OCT. Generally, OCT data is acquired and optical information is extracted from OCT scans to quantitatively determine both a flow rate of fluid in the target and a concentration of one or more analytes. Both calculations can provide ...
  Read Full Article
  
  Comment
  
  Mentions: Northwestern University Vadim Backman Ji Yi
7. Retinal oximetry in humans using visible-light optical coherence tomography [Invited]
  
  Explore OSA | OSA Publishing Feb 22 2017 Ophthalmology
  
  We measured hemoglobin oxygen saturation (sO 2 ) in the retinal circulation in healthy humans using visible-light optical coherence tomography (vis-OCT). The measurements showed clear oxygenation differences between central retinal arteries and veins close to the optic nerve head. Spatial variations at different vascular branching levels were also revealed. In addition, we presented theoretical and experimental results to establish that noises in OCT intensity followed Rice distribution. We used this knowledge ...
  Read Full Article
  
  Comment
  
  Mentions: Northwestern University Hao F. Zhang
8. Northwestern University Receives a NIH Grant for A Clinically Applicable Model Of Retinal Oxygen Metabolism
  
  Explore Optical Coherence Tomography News Feb 7 2017 Neurology , Funding
  
  ...asurements during air breathing in light and darkness, hypoxia and hyperoxia.
  Northwestern University Receives at 2017 NIH Grant for $195,625 for A Clinically Applicable Model Of Retinal O...
  Read Full Article
  
  Comment
  
  Mentions: National Institutes of Health Northwestern University
9. Feature Of The Week 10/16/2016: Real-time Functional Analysis of Inertial Microfluidic Devices via Spectral Domain Optical Coherence Tomography
  
  Explore Optical Coherence Tomography News Oct 16 2016
  
  ...tial microfluidic particle sorting devices. For more information see recent Article . Courtesy Cheng Sun from Northwestern University . Inertial microfluidic devices have recently attracted considerable interest due to t...
  Read Full Article
  
  Comment
  
  Mentions: Northwestern University Ji Yi Hao F. Zhang
10. Real-time Functional Analysis of Inertial Microfluidic Devices via Spectral Domain Optical Coherence Tomography
  
  Explore Nature Publishing Group Sep 17 2016
  
  We report the application of spectral-domain optical coherence tomography (SD-OCT) technology that enables real-time functional analysis of sorting microparticles and cells in an inertial microfluidic device. We demonstrated high-speed, high-resolution acquisition of cross-sectional images at a frame rate of 350Hz, with a lateral resolution of 3m and an axial resolution of 1m within the microfluidic channel filled with water. We analyzed the temporal sequence of cross-sectional SD-OCT images to determine ...
  Read Full Article
  
  Comment
  
  Mentions: Northwestern University Ji Yi Hao F. Zhang
11. Choroidal Findings in Eyes With Birdshot Chorioretinitis Using Enhanced-Depth Optical Coherence Tomography
  
  Explore IOVS Journal Sep 14 2016 Ophthalmology
  
  Purpose : The purposes of this study were to describe choroidal findings observed using optical coherence tomography with enhanced depth imaging (EDI-OCT) in eyes with birdshot chorioretinitis (BSCR) and to test the hypothesis that these findings are related to participant demographics, clinical characteristics, and treatment. Methods : In a multicenter, cross-sectional study, 172 eyes of 86 individuals with BSCR underwent a standardized clinical evaluation, including defined protocols for EDI-OCT imaging, with macular ...
  Read Full Article
  
  Comment
  
  Mentions: Johns Hopkins University Duke University Northwestern University
12. Detection of extracellular matrix modification in cancer models with inverse spectroscopic optical coherence tomography
  
  Explore IOPscience Sep 13 2016 Oncology
  
  In cancer biology, there has been a recent effort to understand tumor formation in the context of the tissue microenvironment. In particular, recent progress has explored the mechanisms behind how changes in the cell-extracellular matrix ensemble influence progression of the disease. The extensive use of in vitro tissue culture models in simulant matrix has proven effective at studying such interactions, but modalities for non-invasively quantifying aspects of these systems are ...
  Read Full Article
  
  Comment
  
  Mentions: Northwestern University Vadim Backman University of Minnesota
13. Optical coherence photoacoustic microscopy
  
  Explore uspto.gov Sep 13 2016 Microscopy , Patents
  
  A system and method for providing an optical coherence photoacoustic (OC-PAM) microscopy. An OC-PAM microscope includes a light source that outputs light, a scanner, a detector, a transducer, and an image processing module. The scanner receives the light and scans the light across a sample. The detector receives reflected light from the sample in response to the scanned light. The transducer detects photoacoustic waves induced in the sample by the ...
  Read Full Article
  
  Comment
  
  Mentions: Shuliang Jiao Northwestern University
14. Imaging hemodynamic response after ischemic stroke in mouse cortex using visible-light optical coherence tomography
  
  Explore OSA | OSA Publishing Aug 16 2016
  
  Visible-light optical coherence tomography (Vis-OCT) is an emerging technology that can image hemodynamic response in microvasculature. Vis-OCT can retrieve blood oxygen saturation (sO 2 ) mapping using intrinsic optical absorption contrast while providing high-resolution anatomical vascular structures at the same time. To improve the accuracy of Vis-OCT oximetry on vessels embedded in highly scattering medium, i.e., brain cortex, we developed and formulated a novel dual-depth sampling and normalization strategy that ...
  Read Full Article
  
  Comment
  
  Mentions: Northwestern University Hao F. Zhang Shanghai Jiao Tong University
15. Postdoctoral Fellows Openings at Northwestern University
  
  Explore Optical Coherence Tomography News Aug 9 2016 Jobs & Studentships
  
  ...rmation about the lab, please visit the FOIL website http://foil.northwestern.edu. For more information about Northwestern University, the City of Evanston, and the greater Chicago metropolitan area, please visit http://...
  Read Full Article
  
  Comment
  
  Mentions: University of Wisconsin Northwestern University Hao F. Zhang
16. Macular Effects of Silicone Oil Tamponade: Optical Coherence Tomography Findings During and After Silicone Oil Removal
  
  Explore Taylor & Francis Online Jul 15 2016 Ophthalmology
  
  Objective : To investigate retinal morphologic changes during silicone oil tamponade and after its removal using spectral domain OCT (SD-OCT) imaging. Materials and Methods : Retrospective review of 12 patients who underwent silicone oil tamponade for repair of retinal detachments. Macular OCT scans and volumetric thickness maps were examined qualitatively and quantitatively. Results : Volumetric OCT revealed two distinct patterns during silicone oil: macular thickening (Group A) and macular thinning (Group B). In ...
  Read Full Article
  
  Comment
  
  Mentions: Oregon Health & Science University Northwestern University Christina J. Flaxel
17. 1-15 of 87 1 2 3 4 5 6 »