Our findings suggest that maternal zeaxanthin status may play a more important role than lutein status in macular pigment deposition in utero. Mothers of IUGR infants had lower total serum carotenoids (P = 0.019) and breast milk carotenoids than controls (P = 0.006). No difference was seen between IUGR infants and controls in total serum or skin carotenoids. Mother-infant correlations were found for total serum carotenoids (r = 0.42, P = 0.020) and skin carotenoids (r = 0.48, P = 0.001). Infant and mother serum lutein did not correlate with MPOD. ![]() Mother serum zeaxanthin levels correlated with infant MPOD (r = 0.59, P = 0.032). Infant serum zeaxanthin levels correlated with MPOD (r = 0.68, P = 0.007). A subset of 16 infants was imaged for macular pigment optical density (MPOD). We enrolled 30 healthy term infants, their mothers, and 10 IUGR infants and their mothers. We measured infant macular pigment levels using noninvasive blue light reflectometry. We measured mother and infant skin carotenoids using resonance Raman spectroscopy (RRS), serum carotenoids by HPLC, and mother breast milk carotenoids by HPLC. As a secondary measure, we also evaluated the effects of intrauterine growth restriction (IUGR) on carotenoid status in term newborn infants. In this study, we examined the interrelationships of maternal carotenoid status and newborn infant macular pigment levels and systemic carotenoid status. Henriksen, Bradley S Chan, Gary Hoffman, Robert O Sharifzadeh, Mohsen Ermakov, Igor V Gellermann, Werner Bernstein, Paul Sĭeposition of the macular pigment carotenoids lutein and zeaxanthin in the human retina occurs early in life. Interrelationships between maternal carotenoid status and newborn infant macular pigment optical density and carotenoid status. The purpose of this study was to assess macular. Current information on human macular pigment density has been largely from studies on Caucasians populations. Macular pigment may protect against age-related macular degeneration (AMD) by its capability to absorb blue light and scavenge free radicals. Measurement of macular pigment optical density in a healthy chinese population sample Methods: We measured MPOD with heterochromatic flicker photometry and central foveal retinal thickness with optical coherence tomography. Purpose: To determine whether macular pigment optical density (MPOD) is related to the degree of cystoid macular edema (CME) in patients with retinitis pigmentosa. ![]() USDA-ARS?s Scientific Manuscript database ![]() Still, when it comes to editing 60i/50i sources it would be nice to have an option to bob-deinterlace if the project is set for 59.94p or 50p something like a 'Force Bob-Deinterlace' option in the Project Settings.Macular pigment optical density is related to serum lutein in retinitis pigmentosa Or else deinterlace the source in like manner before input into KDenLive and edit at 59.94p or 50p, as appropriate.Īctually, this is the way KDenLive converts input frame-rates to conform to the project frame rate - adding (duplicating) or deleting frames, as appropriate. In order to obtain true 'bob-deinterlaced' double-rate 59.94p (or 50p, if the source is 50i) it would still be necessary to edit and render interlaced and then deinterlace the render with AVIDemux (or ffmpeg) with Yadif configured for bob-deinterlace: Although the output framerate is 59.94 fps, it is made up of duplicates of the single-field deinterlaced frames. That said, setting the project to 59.94p does not bring about bob-deinterlaced 59.94p. This was testing with UTVideo as the render format. Yes, when the project is set to 29.97p or the 'scanning' in the render options is set to Progressive, the output is deinterlaced (single field) 29.97p. Testing with KDenLive 16.12.1 running on Kubuntu 16.10 AMD64. Just ran some tests with a couple of 1080/60i AVCHD.mts clips recorded on a Canon HF-G30.
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