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Gharibi, Vahid,Cousins, Rosanna,Mokarami, Hamidreza,Jahangiri, Mehdi,Keshavarz, Mohammad A.,Shirmohammadi-Bahadoran, Mohammad M. Occupational Safety and Health Research Institute 2022 Safety and health at work Vol.13 No.3
Background: Respiratory masks can provide healthcare workers with protection from biological hazards when they have good performance. There is a direct relationship between the visual specifications of a mask and its efficacy; thus, the aim of this study was to develop tools for qualitative assessment of the performance of masks used by healthcare workers. Methods: A mixed-methods design was used to develop a qualitative assessment tool for medical face masks (MFM) and particle filtering half masks (PFHM). The development of domains and items was undertaken using observation and interviews, the opinions of an expert panel, and a review of texts and international standards. The second phase evaluated the psychometric properties of tools. Finally, the validated Mask Qualitative Assessment Tools (MQAT) were used to assess six samples from 10 brands of the two types of masks. Results: MQAT-MFM and MQAT-PHFM shared 42 items across seven domains: "cleanliness," "design," "marking, labeling and packaging," "mask layers," "mask strap," "materials and construction," and "nose clip." MQAT-MFM included one additional item. MQAT-PHFM included another nine items associated with an eighth "Practical Performance" domain, and the valve version had another additional "Exhalation Valve" domain and six items. The evaluation indicated 80% compliance for MFM and 71% compliance for PFHM. "Marking, labeling and packaging" and "Layers" were associated with the least compliance in both types of masks and should be checked carefully for defining mask quality. Conclusion: MQAT can be used for immediate screening and initial assessment of MFM and PHFM through appearance, simple tools, and visual inspection.
Teaching EFL with an Internet - Assisted Whole Language Leaning Approach
Lee, Chang In,Cousins, Ralph 한국현대언어학회 2000 언어연구 Vol.16 No.1
This is an on-going two part study: the introduction to using a homepage in an EFL class, and the evaluation of the effect of the homepage. This paper deals with the first of the two parts. The use of computers has become so widespread since the advent of the Internet, especially the World Wide Web, that language teachers have been looking at ways to incorporate the computer into the class. The paper provides the language teacher with a model of a homepage based on a whole language learning approach: Reading, Writing, Listening, and Speaking. The main part of the paper introduces how some activities in these areas can be incorporated with CALL (Computer Assisted Language Learning) materials on the Internet. Later the future of the Internet is discussed.
HIGH EFFICIENCY, BACK-CONTACT BIFACIAL SOLAR CELLS AND APPLICATION
Campbell, Matthew P.,DeCeuster, Denis M.,Cousins, Peter,Detrick, Adam,Manalo, Raphael,Mulligan, William P. 한국신재생에너지학회 2008 한국신재생에너지학회 학술대회논문집 Vol.2008 No.05
SunPower's corporate mission is to reduce the installed cost of solar electricity 50% by 2012. As part of that mission, the company is continually exploring novel technologies that might enable progress towards the goal. This paper describes SunPower's efforts to decrease the levelized cost of electricity for solar power plants through the use of bifacial cell and system technology. The results of the first production run of SunPower bifacial cells and modules are presented. Future bifacial system development plans are reviewed.
( Lucia Leite Lais ),( Sancha Helena De Lima Vale ),( Camila Alves Xavier ),( Alfredo De Araujo Silva ),( Tolunay Beker Aydemir ),( Robert J Cousins ) 한국임상영양학회 2016 Clinical Nutrition Research Vol.5 No.1
To evaluate the effect of diet on metabolic control and zinc metabolism in patients with type 2 diabetes mellitus (T2DM). One-week balanced diet was provided to 10 Brazilians patients with T2DM. Nutritional assessment, laboratorial parameters and expression of zinc transporter and inflammatory genes in peripheral blood mononuclear cells (PBMC) were performed. Healthy non-diabetic subjects of the same demographic were recruited to provide baseline data. Diabetic patients had higher body mass index and greater fasting plasma glucose, plasma tumor necrosis factor α (TNFα) and plasma interleukin 6 (IL6) levels compared with healthy subjects. In addition, the expression of transporters 4 (ZnT4) mRNA was lower and IL6 mRNA was higher in PBMC of these diabetic patients than in healthy subject. One week after a balanced diet was provided, fasting plasma glucose decreased significantly as did TNFα, IL6 and Metallothionein 1 (MT1) mRNAs. No change was observed in zinc transporter expression in PBMC after the dietary intervention. A healthy eating pattern maintained for one week was able to improve metabolic control of diabetic patients by lowering fasting plasma glucose. This metabolic control may be related to down-regulation of zinc-related transcripts from PBMCs, as TNFα, IL6 and MT1 mRNA.