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Articles from Cambridge University Press
cambridge.org
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Mentions: Duke University
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Impact of fundus pigmentation on retinal layer visibility on investigational bedside optical coherence tomography in preterm infants
Mentions: Duke University -
Visualization of Bacterial Colonization and Cellular Layers in a Gut-on-a-Chip System Using Optical Coherence Tomography
Read Full ArticleImaging of cellular layers in a gut-on-a-chip system has been confined to two-dimensional (2D)-imaging through conventional light microscopy and confocal laser scanning microscopy (CLSM) yielding three-dimensional- and 2D-cross-sectional reconstructions. However, CLSM requires staining and is unsuitable for longitudinal visualization. Here, we compare merits of optical coherence tomography (OCT) with those of CLSM and light microscopy for visualization of intestinal epithelial layers during protection by a probiotic Bifidobacterium breve strain and a simultaneous pathogen challenge by an Escherichia coli strain. OCT cross-sectional images yielded film thicknesses that coincided with end-point thicknesses derived from cross-sectional CLSM images. Light microscopy on histological ...
Mentions: University of Groningen -
A Novel OCT Design for Cultural Heritage Applications
Read Full ArticleThe object challenges presented by cultural heritage materials can serve as a catalyst for the development of novel characterization techniques.
Mentions: Northwestern University -
Optical coherence tomography indices of structural retinal pathology in schizophrenia
Read Full ArticlePrior optical coherence tomography (OCT) studies of schizophrenia have identified thinning of retinal layers. However, findings have varied across reports, and most studies have had serious methodological limitations. To address unresolved issues, we determined whether: (1) retinal thinning in schizophrenia occurs independently of comorbid medical conditions that affect the retina; (2) thinning is independent of antipsychotic medication dose; (3) optic nerve parameters are abnormal in schizophrenia; and (4) OCT indices are related to visual and cognitive impairments common in schizophrenia. A total of 32 people with schizophrenia and 32 matched controls participated. Spectral domain OCT generated data on retinal nerve ...
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Imaging the adult zebrafish cone mosaic using optical coherence tomography
Read Full ArticleZebrafish ( Danio rerio ) provide many advantages as a model organism for studying ocular disease and development, and there is great interest in the ability to non-invasively assess their photoreceptor mosaic. Despite recent applications of scanning light ophthalmoscopy, fundus photography, and gonioscopy to in vivo imaging of the adult zebrafish eye, current techniques either lack accurate scaling information (limiting quantitative analyses) or require euthanizing the fish (precluding longitudinal analyses). Here we describe improved methods for imaging the adult zebrafish retina using spectral domain optical coherence tomography (OCT). Transgenic fli1:eGFP zebrafish were imaged using the Bioptigen Envisu R2200 broadband source OCT ...
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Optical Coherence Tomography in Neurologic Diseases (Textbook)
Read Full ArticleOptical coherence tomography [OCT] provides tissue morphology imagery at much higher resolution than other imaging modalities such as MRI or ultrasound, and the machines are comparatively cheaper. It is an easy technique to perform; is non-ionizing, and therefore safe. These benefits are driving a rapid transformation of OCT, from its principal application as a research tool, into an extension of the 'neurological examination' in routine office practice. Originally used in assessing the severity of tissue damage and prognosis of multiple sclerosis and various neuro-ophthalmic conditions, OCT is increasingly used in other neurological disorders such as Parkinson's disease, ALS, and ...
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Gastric Cancer (Book)
Gastric adenocarcinoma is the second most common cancer worldwide. It is usually diagnosed at a late stage and prognosis is poor; even with modern diagnostic and treatment methods the 5-year survival is only 10%. Improvements in overall patient survival can only be achieved by earlier diagnosis and by tailored therapeutic strategies based on tumor type, location and stage at presentation. This volume provides a state-of-the-art, integrated diagnostic and therapeutic approach to patient management. The role of the upper GI series, endoscopy, endoscopic ultrasound, MDCT, MRI, and PET/CT in the diagnosis, staging and follow-up of patients with gastric cancer is ...Read Full Article
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