3,108 research outputs found

    Food and Nutrition Education: A Tool to Help Combat Growing Food Insecurity

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    Food insecurity is an escalating issue often overlooked and stigmatized in the United States, affecting about 1 in 10 households. This issue is a threat that can increase stress and anxiety, which is believed to further negatively impact academic and daily performance. The University of Nebraska-Lincoln community is no exception. To combat local food insecurity, the Husker Pantry has served almost a third of the Husker community, aiming to assist by offering food items, school supplies, personal hygiene products, and additional services. This project was made in collaboration with the Husker Pantry, designed to further help combat the ever-growing issue of food insecurity, by providing basic nutrition information and offering access to simple, cost-effective recipes for those that use the Husker Pantry. The goal of this project is that consumers can improve their eating habits and better sustain and utilize food products, which could curtail the mental and physical strain of insatiety. This project’s proposal, research, and approval phases were done with the help of Husker Pantry Director, Dr. Kenji Madison. After thorough and conscious research, the final product yielded a visual model that could be distributed to Husker Pantry consumers. This pamphlet uses the MyPlate, created by the US Department of Agriculture, and includes interactive QR code access providing links for more resources if desired, along with various recipes advocated by the United States Department of Agriculture (USDA)

    A Longitudinal Radiographical Study of Tooth Formation : Carmen M. Nolla’s Data 1952 Revisited

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    Aims: Carmen Nolla (1952, 1960) was early to define and collect data on dental development tooth-by-tooth rather than by atlas methods, yet at the time, approaches to analysing such data were in their infancy. The aims of this study were to re-illustrate and describe permanent tooth stages for Nolla’s seminal work and to analyse data on age of attainment of tooth stages captured from her thesis. Materials and methods: Descriptions and drawings of tooth stages were made from radiographic examples for each stage of permanent teeth in the maxilla and mandible, matched to Nolla’s originals. Longitudinal data of tooth stage for age for 25 boy and 25 girls aged 2-18 years were captured from graphs in Nolla’s Master’s thesis from The University of Michigan School of Dentistry. Mean ages of attainment of tooth stages were analysed using transition analysis in R. Results: Drawings and descriptions for the ten Nolla stages for the permanent teeth are presented here with radiographic examples. Mean ages of attainment for individual maxillary and mandibular teeth calculated here were overall somewhat earlier than previously published ages from other longitudinal radiographic studies. As expected, attainment of tooth stages in girls was marginally earlier than boys and mandibular incisor stages were earlier than maxillary incisor stages. Conclusion: A new illustration of Nolla tooth stages with drawings, radiographs and descriptors is now available. New reference data of mean age of attainment for this group of children correct values from 1960, including rarely available maxillary data

    Artificial intelligence based direct torque control of induction motor drive system

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    In this project, a three-phase Induction motor (IM) under the direct torque control (DTC) technique is studied. IM is known for its simple engines and its self-starter feature but it always suffered a setback in the area of torque and speed control as it is a highly coupled nonlinear plant and proves to be most complex and expensive speed drive. The application of direct torque control (DTC) is beneficial for fast torque reaction in IM but provide high torque and ripples due to harmonic effects. Thus, the speed control of induction motor is important to achieve maximum torque and efficiency. The aim of this study is to improve tracking performance of the induction motor drive using artificial intelligence control system. A method for controlling induction motor drive is presented with Proportional-Integral (PI) controller and Artificial Neural Networks (ANNs) for performance comparison. MATLAB/SIMULINK software is used to develop a three-phase 2 pole-cage type induction motor model. Also the performances of the two controllers have been verified in terms of its speed and torque responses. The ANN is trained so that the speed of the drive tracks the reference speed. This study proved that the performance and dynamics of the induction motor are enhanced using ANN controller as compared with PI controller

    Prevalence and awareness of lower urinary tract symptoms among males in the Outpatient Clinics of Universiti Kebangsaan Malaysia Medical Centre.

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    This study aims to determine the prevalence of lower urinary tract symptoms (LUTS) and level of awareness among male outpatients in Universiti Kebangsaan Malaysia Medical Centre (UKMMC). A questionnaire consisting of demographic data, questions related to knowledge, attitude and practice on BPH and the International Prostate Symptom Score (IPSS) was used for this study. Uroflowmetry and bladder scan were used to evaluate the function of the urinary tract and severity of BPH. Urine dipstick was done for glycosuria, proteinuria and haematuria. A total of 220 respondents were surveyed. The prevalence of moderately and severely symptomatic LUTS was 42.7%. The most commonly reported LUTS were nocturia (78.2%), frequency (58.2%) and incomplete emptying (44.6%). The prevalence of glycosuria, proteinuria and haematuria were 23.6%, 11.4% and 1.8% respectively. There was a significant association between increasing age with the severity of LUTS (p=0.005). Out of 102 respondents with voided urine volume greater than 150 mL, there was a significant decrease in maximum (Qmax) (p=0.039) and average (Qave) urine flow rates with every 10 years increase of age (p=0.001). The majority of respondents (59.5%) have heard of BPH before. Over 78.2% of the respondents would seek medical attention if they have LUTS with 15.9% saying they would seek traditional treatment. In conclusion, the prevalence of LUTS was high and the level of awareness was satisfactory

    Immune enhancement by novel vaccine adjuvants in autoimmune-prone NZB/W F1 mice: relative efficacy and safety

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    <p>Abstract</p> <p>Background</p> <p>Vaccines have profoundly impacted global health although concerns persist about their potential role in autoimmune or other adverse reactions. To address these concerns, vaccine components like immunogens and adjuvants require critical evaluation not only in healthy subjects but also in those genetically averse to vaccine constituents. Evaluation in autoimmune-prone animal models of adjuvants is therefore important in vaccine development. The objective here was to assess the effectiveness of experimental adjuvants: two phytol-derived immunostimulants PHIS-01 (phytanol) and PHIS-03 (phytanyl mannose), and a new commercial adjuvant from porcine small intestinal submucosa (SIS-H), relative to a standard adjuvant alum. Phytol derivatives are hydrophobic, oil-in water diterpenoids, while alum is hydrophilic, and SIS is essentially a biodegradable and collagenous protein cocktail derived from extracellular matrices.</p> <p>Results</p> <p>We studied phthalate -specific and cross-reactive anti-DNA antibody responses, and parameters associated with the onset of autoimmune disorders. We determined antibody isotype and cytokine/chemokine milieu induced by the above experimental adjuvants relative to alum. Our results indicated that the phytol-derived adjuvant PHIS-01 exceeded alum in enhancing anti-phthalate antibody without much cross reactivity with ds-DNA. Relatively, SIS and PHIS-03 proved less robust, but they were also less inflammatory. Interestingly, these adjuvants facilitated isotype switching of anti-hapten, but not of anti-DNA response. The current study reaffirms our earlier reports on adjuvanticity of phytol compounds and SIS-H in non autoimmune-prone BALB/c and C57BL/6 mice. These adjuvants are as effective as alum also in autoimmune-prone NZB/WF1 mice, and they have little deleterious effects.</p> <p>Conclusion</p> <p>Although all adjuvants tested impacted cytokine/chemokine milieu in favor of Th1/Th2 balance, the phytol compounds fared better in reducing the onset of autoimmune syndromes. However, SIS is least inflammatory among the adjuvants evaluated.</p

    PHP66 EVALUATION OF THE FIRST-YEAR OPERATION OF KOREAN POSITIVE LIST SYSTEM FOR PHARMACEUTICAL REIMBURSEMENT

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    Foundation Failures Mitigation under Expansive Clay by Using Granular Pile Anchor System

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    Expansive soils are found in typical areas in the world especially in arid and semi-arid regions. The problems associated with this type of soil drive geotechnical engineers to invent new technologies as remediation’s such as physical and chemical treatments. Innovative foundation techniques were also suggested for remedying the swell-shrink problems of the expansive soil. The granular pile anchor (GPA) is relatively a more favorable technique indebted to its cost-effective, easy and fast to assemble and most importantly was found to be more efficient in remedying the expansive soil. Despite the extensive studies on the expansive soil remedies, yet the granular pile anchor system requires more comprehensive and in-depth investigations. This study is aimed at developing a model with granular piles of various length and diameter extended to the stable zone to investigate the heave and uplift pressure in the expansive soil. For this purpose, experimental and numerical analysis were conducted in a small and in a full scale model respectively. A significant improvement was attained in heave reduction and an increment of uplift capacity. The findings also show that heave decreased significantly when the length and diameter of the GPA increases while the uplift capacity increased. However, it was noted that the extension of length to the stable zone resulted in insignificant changes. Therefore, it can be concluded that the maximum length of 6 m is the ideal length for GPA for this particular type of soil

    Validation of the English version constitution in Chinese Medicine Questionnaire (CCMQ) among young adults in Malaysia

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    Constitution in Chinese Medicine Questionnaire (CCMQ) is widely used as a self-administered health instrument. It was used as the guiding tool for prognosis, prevention and treatment of various diseases. This study aims to validate an English version of the Constitution in Chinese Medicine Questionnaire (CCMQ) in Malaysia, which is comprised of nine domains with a total of 67 questions. The survey was conducted in three phases. Phase one involved translation and adaption where the Chinese version of the survey instrument was translated into the English version. In phase two, a Delphi was used to review, amend and validate the translated English version; and in phase three, 114 subjects (aged 18 to 30 years old) were included in the confirmatory factor analysis to determine its psychometric properties. The construct validity analysis of CCMQ showed a good fit for the hypothesised models. Composite reliability (CR) values ranging from 0.869 to 0.908, and average variance extracted (AVE) values ranged from 0.647 to 0.764, indicating good internal consistency reliability and convergent validity, respectively. The heterotrait-monotrait ratio of correlations (HTMT) values obtained for all the domains ranging from 0.151 to 0.652, which fulfilled the criteria of discriminant validity. The English version of the CCMQ was the first statistically validated instrument in Malaysia. It is a reliable and valid instrument for traditional Chinese medicine body constitution (TCMBC) study. Future research is needed to validate the CCMQ as a predicting tool in health-related outcome studies

    Toxicity assessment of modified Cry1Ac1 proteins and genetically modified insect-resistant Agb0101 rice

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    Insect-resistant Agb0101 rice was recently developed by modifying the cry1ac1 gene by changing codon usage changes relative to the native truncated cry1ac1 gene. To assess the toxicity of genetically modified Agb0101 rice, we conducted bioinfomational comparisons of the amino acid sequences that are not similar to known toxic proteins. Sufficient quantities of mCry1Ac1 protein were produced in Escherichia coli for in vitro evaluation and animal study. We compared the amino acid sequences and molecular mass. There have the same amino acid sequences and molecular masses after purifying the modified Cry1Ac1 (mCry1Ac1) protein from highly expressed bacteria and genetically modified rice were identical. We also investigated the acute and 90-days oral toxicities. No adverse effects were observed in mice following acute oral exposure to 2,000 mg/ kg body weight mCry1Ac1 protein of body weight and 90 days oral exposure to Agb0101. These results indicate that mCry1Ac1 proteins and Agb0101 rice demonstrate no adverse effects in these tests when applied via gavage and feed, respectively.Key words: Modified Cry1Ac1, food safety assessment, toxicity, insect- resistant rice Agb0101
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