scholarly journals Color Matching Estimation ofIron Concentrationsin Branded Iron Supplements Marketed in Nigeria

2012 ◽  
Vol 2 (1) ◽  
pp. 16-23 ◽  
Author(s):  
Adams Udoji Itodo ◽  
Abdullahi Usman ◽  
Saliha Bashir Sulaiman ◽  
Happiness Ugbede Itodo
Keyword(s):  
Color Matching ◽  
Iron Supplements ◽  
Matching Estimation

Iron and Malaria: Absorption, Efficacy and Safety

2010 ◽  
Vol 80 (45) ◽  
pp. 279-292 ◽  
Author(s):  
Richard Hurrell
Keyword(s):  
Pathogenic Bacteria ◽  
Intestinal Barrier ◽  
Systemic Circulation ◽  
Malarial Parasite ◽  
Asymptomatic Malaria ◽  
Iron Supplements ◽  
Fortified Food ◽  
Care Giving ◽  
Single Meal ◽  
Women And Children

Febrile malaria and asymptomatic malaria parasitemia substantially decrease iron absorption in single-meal, stable isotope studies in women and children, but to date there is no evidence of decreased efficacy of iron-fortified foods in malaria-endemic regions. Without inadequate malarial surveillance or health care, giving iron supplements to children in areas of high transmission could increase morbidity and mortality. The most likely explanation is the appearance of non-transferrin-bound iron (NTBI) in the plasma. NTBI forms when the rate of iron influx into the plasma exceeds the rate of iron binding to transferrin. Two studies in women have reported substantially increased NTBI with the ingestion of iron supplements. Our studies confirm this, but found no significant increase in NTBI on consumption of iron-fortified food. It seems likely that the malarial parasite in hepatocytes can utilize NTBI, but it cannot do so in infected erythrocytes. NTBI however may increase the sequestration of parasite-infected erythrocytes in capillaries. Bacteremia is common in children with severe malaria and sequestration in villi capillaries could lead to a breaching of the intestinal barrier, allowing the passage of pathogenic bacteria into the systemic circulation. This is especially important as frequent high iron doses increase the number of pathogens in the intestine at the expense of the barrier bacteria.

Change of color appearance due to extremely high light level: corresponding colors under 100 and 3000 cd/m2

2019 ◽  
Vol 2019 (1) ◽  
pp. 320-325 ◽  
Author(s):  
Wenyu Bao ◽  
Minchen Wei
Keyword(s):  
Light Level ◽  
Limited Range ◽  
High Light ◽  
Color Preference ◽  
Color Appearance ◽  
Appearance Model ◽  
Color Matching ◽  
Light Levels ◽  
Appearance Models ◽  
Psychophysical Study

Great efforts have been made to develop color appearance models to predict color appearance of stimuli under various viewing conditions. CIECAM02, the most widely used color appearance model, and many other color appearance models were all developed based on corresponding color datasets, including LUTCHI data. Though the effect of adapting light level on color appearance, which is known as "Hunt Effect", is well known, most of the corresponding color datasets were collected within a limited range of light levels (i.e., below 700 cd/m2), which was much lower than that under daylight. A recent study investigating color preference of an artwork under various light levels from 20 to 15000 lx suggested that the existing color appearance models may not accurately characterize the color appearance of stimuli under extremely high light levels, based on the assumption that the same preference judgements were due to the same color appearance. This article reports a psychophysical study, which was designed to directly collect corresponding colors under two light levels— 100 and 3000 cd/m2 (i.e., ≈ 314 and 9420 lx). Human observers completed haploscopic color matching for four color stimuli (i.e., red, green, blue, and yellow) under the two light levels at 2700 or 6500 K. Though the Hunt Effect was supported by the results, CIECAM02 was found to have large errors under the extremely high light levels, especially when the CCT was low.

scholarly journals Validity of self-reported receipt of iron supplements during pregnancy: implications for coverage measurement

2019 ◽  
Vol 19 (1) ◽  
Author(s):  
Mufaro Kanyangarara ◽  
Joanne Katz ◽  
Melinda K. Munos ◽  
Subarna K. Khatry ◽  
Luke C. Mullany ◽  
...  
Keyword(s):  
Iron Supplements ◽  
Coverage Measurement

Visual effect and color matching of dynamic image webpage design

2021 ◽  
Author(s):  
Lungwen Kuo ◽  
Tsuiyueh Chang ◽  
Chih‐Chun Lai
Keyword(s):  
Color Matching ◽  
Visual Effect ◽  
Dynamic Image

scholarly journals Suicide by intoxication with iron (III) chloride

2021 ◽  
Author(s):  
Sławomir Majdanik ◽  
Barbara Potocka-Banaś ◽  
Sebastian Glowinski ◽  
Krzysztof Borowiak
Keyword(s):  
Prussian Blue ◽  
Chloride Ions ◽  
Iron Chloride ◽  
Histopathological Analysis ◽  
Fatal Intoxication ◽  
Internal Organs ◽  
Specific Staining ◽  
Iron Supplements ◽  
Staining Protocol ◽  
Hematoxylin And Eosin

Abstract Purpose Cases of iron intoxication are not very often encountered in toxicology practice, and most of those reported concern accidental intoxications with iron supplements in young children. The paper presents a rare case of a suicide by intoxication in an adult woman who ingested a solution of iron (III) chloride. Methods A forensic was at the Department of Forensic Medicine, PMU in Szczecin. Toxicology tests of blood sampled from the deceased were performed using a 644 CIBA CORNING ion selective analyzer and proprietary reagent kits. Histopathological was with the use of the standard staining protocol (hematoxylin and eosin) and staining specific for iron (Prussian blue). Results Autopsy revealed a distinct yellow discolouration and thrombotic necrosis of the oral mucosa and almost the whole gastrointestinal tract, as well as similar changes in the adjacent internal organs. Considerably high levels of iron and chloride ions were detected in specimens of internal organs preserved during autopsy. Histopathological analysis performed with the use of staining specific for iron (Prussian blue) also confirmed the presence of iron in the examined tissues, especially in the intestines and liver. Conclusions Considering the above findings, it was concluded in the forensic report that the death of the woman was caused by the ingestion of iron chloride. The reported case of fatal intoxication is one of the few described in the literature, and its course implies that in the case of initially diagnosed intoxication with corrosive compounds, the possibility of using metal-containing poison should also be considered in the differential diagnosis. In addition to routine toxicological tests performed in fatal cases we also draw attention to the possibility of using specific staining protocols for microscopic specimens.

Research on color matching of LED backlight for large-color-gamut LCD application

2007 ◽  
Author(s):  
Meng Liang ◽  
Manning Fan ◽  
Debo Guo ◽  
Guangyi Liu ◽  
Guohong Wang ◽  
...  
Keyword(s):  
Color Matching ◽  
Color Gamut ◽  
Led Backlight

Color matching on natural substrates in cuttlefish, Sepia officinalis

2008 ◽  
Vol 194 (6) ◽  
pp. 577-585 ◽  
Author(s):  
Lydia M. Mäthger ◽  
Chuan-Chin Chiao ◽  
Alexandra Barbosa ◽  
Roger T. Hanlon
Keyword(s):  
Sepia Officinalis ◽  
Color Matching

Algorithm of Color Detection for Moving Video Objects Based on Mode Matching

2012 ◽  
Vol 239-240 ◽  
pp. 1000-1003
Author(s):  
Zhao Quan Cai ◽  
Hui Hu ◽  
Tao Xu ◽  
Wei Luo ◽  
Yi Cheng He
Keyword(s):  
Background Subtraction ◽  
Moving Objects ◽  
Color Matching ◽  
Human Beings ◽  
Current Image ◽  
Color Recognition ◽  
Recognition Ability ◽  
Color Identification ◽  
The Difference ◽  
Background Image

It is urgent to study how to effectively identify color of moving objects from the video in the information era. In this paper, we present the color identification methods for moving objects on fixed camera. One kind of the methods is background subtraction that recognizes the foreground objects by compare the difference of pixel luminance between the current image and the background image at the same coordinates. Another kind is based on the statistics of HSV color and color matching which makes the detection more similar to the color identification of the human beings. According to the experiment results, after the completion of the background modelling, our algorithm of background subtraction, statistics of the HSV color and the color matching have strong color recognition ability on the moving objects of video.

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