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Consumers are exposed to a range of mineral oil hydrocarbons (MOH) via food. The potential adverse health effect of MOH varies widely. Since infant formula (IF) is the major food source for infants, it is necessary to understand MOH exposure and consequent health impact. In the present study, occurrence data of 42 IF samples and food consumption data of 0-6 months infants from China National Food Consumption Survey in 2015 were linked to evaluate the dietary exposure to MOH of 0-6 months infants in China. Ordinary consumers (who purchased IF for 0-6 months infants in different packaging type randomly), packaging type loyal- and brand loyal-consumers were selected as three representative populations. For ordinary consumers and packaging-loyal consumers, dietary exposure to MOH was estimated both deterministically and probabilistically. For brand-loyal consumers, point-estimation was used as the exposure assessment method. Due to toxicological gaps for MOHs, it was inappropriate to derive health-based guidance value and perform the robust human health risk assessment. MOE approach was used to characterise MOSH risk. The no-observed-adverse-effect level for induction of liver microgranulomas, 19 mg/kg BW per day, was used as a reference point for calculating margins of exposure (MOEs) for MOSH exposure. Although first exposure occurs in babies, there are no relevant toxicology studies. All MOE values for different scenarios were higher than 100. There are no dose-response data on the carcinogenicity of MOAH mixtures and hence it is not possible to establish a reference point to calculate the MOE and characterise its risk. Therefore, it is not possible to draw conclusions about the full nature of possible concerns for infants aged 0-6 months. This study evaluates by a probabilistic approach the dietary intake of Chinese infants aged 0-6 months to MOH for the first time and describes the associated uncertainties.Electrical stimulation has been used to treat spasticity in children with cerebral palsy. Building on the benefits of electrical stimulation, a new assistive device, electro-suit Mollii® with imbedded electrodes has been tested. The aim of the study was to evaluate the possible effect of Mollii® on body function, activity and participation in self-selected activities. Six children, five to ten years of age, used the electro-suit for one hour, every other day for three months. The impact was evaluated after four weeks and after three months by measuring passive range of motion (ROM), muscle tone, pain, gross motor function and participation. All participants improved in the total score for Canadian Occupational Performance Measure (COPM), three of them showed significant clinical improvements. Pain was reduced for children who estimated pain when the study started. There were also small changes in Electro-suit Mollii® had a positive impact on activity and participation in self-selected activities among the children in this study. Further studies with more children over a longer time are necessary to evaluate the impact and usefulness over time.
Racial/ethnic minorities experience disproportionately greater risk to cardiovascular diseases (CVDs). This study examined racial/ethnic discrimination-as a psychosocial stressor-in a path model and its associations with CVD health risk factors among undergraduate students of color (SoC).
The sample included 404 SoC whose ages ranged from 18 to 54 (
= 21.82,
= 5.26; 65% female) from a Hispanic Serving Institution in Southern California.
Participants responded to measures assessing the following traditional and non-traditional CVD indicators depression, anxiety, and body mass index (BMI). A path model was configured with paths corresponding from racial/ethnic discrimination to BMI, depression, and anxiety symptoms, controlling for gender and age.
After accounting for covariates, findings revealed greater levels of racial/ethnic discrimination was uniquely associated with greater BMI, depression, and anxiety symptoms.
Findings demonstrate racial/ethnic discrimination is associated with CVD hely associated with greater BMI, depression, and anxiety symptoms. Conclusions Findings demonstrate racial/ethnic discrimination is associated with CVD health risk factors among SoC. Data highlight the importance and magnitude of adverse psychosocial experiences on CVD health.The risk assessment conducted by the European Food Safety Authority stated some concerns regarding the chronic exposure of the European population to nickel due to food intake. This study aimed to evaluate the extent of the Belgian population's exposure to nickel via intake of different foods/drinks available in their market. Ni concentrations were measured in selected foods consumed in Belgium, and exposures from this limited group of foods were estimated for consumers of these foods. Selleckchem RMC-4550 Legumes, soy products, breakfast cereals, and chocolate spreads were responsible for 26%, 14%, 11% and 8% of the overall exposure (overall chronic exposure through consuming all the included food types in this study except tap water) of children (3-9 years) to nickel. For adolescents (10-17 years), the highest percentage of overall chronic exposure again originated from legumes (19%). This was followed by breakfast cereals (14%), soy products (11%) and chocolate spreads (11%). For adults (18-64 years), major contributors to the overall chronic daily exposure were legumes (16%), dark chocolate (15%) and breakfast cereals (10%). The aggregate exposure assessment, including the highest contaminated foods, for different sub-populations, revealed mean exposure levels of 1.02, 0.60 and 0.34 μg kg-1 b.w. day-1 for children, adolescents, and adults respectively. The mean, P75, P90 and P95 values for aggregate chronic exposure of the overall consumer's population were 0.62, 0.80, 1.5 and 210 μg kg-1 b.w. day-1 respectively. This study recommends controlling the intake of food products with elevated nickel content especially for the more vulnerable sub-population groups such as children with lower body weight and nickel sensitised individuals. It also demonstrates a shift in potential risk on human health to nickel exposure due to the transition towards a more plant-based diet.Pesticides present in water resources can cause adverse health effects even in low concentrations, due to their bio-accumulative character. Therefore, the challenge for drinking water production increases, due to the limitations of conventional water treatment technologies in the removal of small molecular weight dissolved compounds. This work aimed to provide technical and scientific support for the selection of pulverized activated carbon - PACs, granular activated carbon - GACs, and carbon nanotubes - CNT concerning atrazine - ATZ, simazine - SMZ, and diuron - DIU adsorption for application in water treatment plants, considering two forms of application commercial product - CP and analytical standard - SD. These forms of application were tested aiming to verify the influence of the purity of the products used in experiments on the adsorption efficiency. It was possible to verify the adsorption efficiencies were not guided only by the characteristics of the adsorptive materials used, and that the selection should not be carried out only based on the, specific superficial area - BET size and distribution of specific pore volume. The isotherms demonstrated that the parameter Kf associated with the results of the selection experiment can be considered an alternative technical tool of simple application and sufficient for this purpose. Also, the capacity of activated carbons - ACs and nanomaterials - NMs were affected by the application of the compounds, highlighting the importance of using commercial product - CP in scientific research and technical investigations.Purpose This study provided reference data and examined psychometric properties for clausal density (CD; i.e., number of clauses per utterance) in children between ages 4 and 9 years from the database of the Edmonton Narrative Norms Instrument (ENNI). Method Participants in the ENNI database included 300 children with typical language (TL) and 77 children with language impairment (LI) between the ages of 4;0 (years;months) and 9;11. Narrative samples were collected using a story generation task, in which children were asked to tell stories based on six picture sequences. CD was computed from the narrative samples. The split-half reliability, concurrent criterion validity, and diagnostic accuracy were evaluated for CD by age. Results CD scores increased significantly between ages 4 and 9 years in children with TL and those with LI. Children with TL produced higher CD scores than those with LI at each age level. In addition, the correlation coefficients for the split-half reliability and concurrent criterion validity of CD scores were all significant at each age level, with the magnitude ranging from small to large. The diagnostic accuracy of CD scores, as revealed by sensitivity, specificity, and likelihood ratios, was poor. Conclusions The finding on diagnostic accuracy did not support the use of CD for identifying children with LI between ages 4 and 9 years. However, given the attested reliability and validity for CD, reference data of CD from the ENNI database can be used for evaluating children's difficulties with complex syntax and monitoring their change over time. Supplemental Material https//doi.org/10.23641/asha.13172129.Purpose The aim of this study is to investigate whether human auditory frequency tuning can be influenced by tonal language experience. Method Perceptual tuning measured via psychophysical tuning curves and cochlear tuning derived via stimulus-frequency otoacoustic emission suppression tuning curves in 14 native speakers of a tonal language (Mandarin) were compared to those of 14 native speakers of a nontonal language (English) at 1 and 4 kHz. Results Group comparisons of both psychophysical tuning curves (p = .046) and stimulus-frequency otoacoustic emission suppression tuning curves (p = .007) in the 4-kHz region indicated sharper frequency tuning in the Mandarin-speaking group relative to the English-speaking group. The auditory tuning was better at the higher (4 kHz) than the lower (1 kHz) probe frequencies (p less then .001). Conclusions The sharper auditory tuning in the 4-kHz cochlear region is associated with long-term tonal language (i.e., Mandarin) experience. Experience-dependent plasticity of tonal language may occur before the sound signal reaches central neural stages, as peripheral as the cochlea.Phytophthora blight, caused by Phytophthora capsici, is one of the most destructive diseases in the production of solanaceous and cucurbitaceous vegetable crops. Fluopicolide has been used to control the disease; however, reduced efficacy of the fungicide was observed in Georgia. P. capsici isolates were collected from commercial vegetable fields in Georgia in 2018 and 2019 to determine sensitivity to fluopicolide, which were phenotyped to have 43.1% of the isolates as resistant. The fitness of resistant (R) and sensitive (S) isolates was assessed through mycelial growth and sporulation assays exposed to the fungicide (0 or 50 µg/ml). Fluopicolide did not reduce mycelial growth, sporangial production, and zoospore germination of the R isolates. In the absence of fluopicolide, there was no significant difference between the R and S isolates in sporangial production but mycelial growth and zoospore germination of the R isolates was greater than the S isolates (P = 0.01 and 0.001, respectively). The R isolates had an ability similar to that of the S isolates to induce disease on Aristotle bell pepper, and most of the R and S isolates caused the same level of disease on Paladin.
Website: https://www.selleckchem.com/products/rmc-4550.html
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