TOWARDS DIGITAL TWINS FOR OPTIMIZING METRICS IN DISTRIBUTED STORAGE SYSTEMS - A REVIEW

With the exponential data growth, there is a crucial need for highly available, scalable, reliable, and cost-effective Distributed Storage Systems (DSSs). To ensure such efficient and fault tolerant systems, replication and erasure coding techniques are typically used in traditional DSSs. However, these systems are prone to failure and require different failure prevention and recovery algorithms. Failure recovery of DSS and data reconstruction techniques take into consideration different performance metrics optimization in the recovery process. In this paper, DSS performance metrics are introduced. Several recent papers related to adopting erasure coding in DSSs are surveyed together with highlighting related performance metrics introduced in the context of these papers. Next, we present recent literature where Digital Twins (DTs) are involved in monitoring DSSs and assisting the data center managers in intelligent decision-making. Finally, important open issues are identified to inspire future studies for fully efficient DSSs

THE EFFECT OF MODERATE VERSUS DEEP SEDATION ON THE SATISFACTION AND LENGTH OF STAY OF PATIENTS UNDERGOING COLONOSCOPY IN A LEBANESE SPECIALIZED ENDOSCOPY CENTER

Colonoscopy is one of the most common screening procedure to detect colorectal cancer. Sedation during colonoscopy decreases anxiety, discomfort, minimizes risks, and promotes the overall satisfaction of the patient. It’s a challenge for nurses to adopt a sedation regimen taking into consideration traditional and modern techniques and methods. Purpose: To compare moderate and deep sedation effects on satisfaction, length of stay, and overall experience of patients undergoing colonoscopy. Methods: A quasi-experimental research was conducted among 149 patients who responded to the Iowa Satisfaction with Anesthesia Scale after been consented pre-procedure. Results: Statistically significant differences were demonstrated for almost most items of Iowa satisfaction with the anesthesia scale, in addition to the clear difference between the post-procedure stay duration and time to have had their vitals baselined again. Conclusion: Deep sedation using Propofol was much more effective in enhancing patient satisfaction and reducing the length of stay and procedure duration substantially, thus contributing to a higher quality of care and improved performance of the endoscopy units

FAMAID: A TOOL FOR AIDING PEOPLE WITH DISABILITY

People with disabilities suffer from discrimination and obstacles that restrict them from participating in society on an equal basis with others every day. They are deprived of their rights to be included in ordinary school systems and even in the work market. In the process of raising awareness, facilitating dailyroutines, and developing guidance, the idea of assisting such people with handy tools/software arose and was implemented in the FamAid tool. FamAid offers people with hearing disability the opportunity to be engaged in the society through many facilities. In this work, we implemented a web application that serves as a community for people with disability who can use sign language to access the app. The app uses hand gesture recognition technique which is considered an active research field in Human-Computer Interaction technology to perform sign language translation to text. Afterwards, the text will be provided as input to the app where the output will be generated based on the request of the user. This research presents an application which is considered a gift for people with speaking and/or hearing disability as it makes their lives easier

CCEER 23-01: Guidelines For Circular Rebar Cage Assembly With U-BOLT Connectors

Report No. CCEER 23-01This guideline presents a systematic fabrication and design approach for rebar cages using mechanical U-bolt connectors to ensure their stability and safety during the lifting process. The purpose of this guideline is to provide a straightforward tool for determining the layout of U-bolts and lifting points, and to quickly estimate rebar cage deflection during lifting. The guideline is based on a comprehensive experimental and analytical research campaign that investigated the behavior of rebar cages reinforced with U-bolt connectors. The research aimed to promote the adoption of U-bolt connectors as a viable solution to improve the overall safety of rebar cages not only during lifting, but in the future for all phases of construction

Linker Engineering of Ligand‐Decorated DNA Origami Nanostructures Affects Biological Activity

News from an old acquaintance: The streptavidin (STV)-biotin binding system is frequently used for the decoration of DNA origami nanostructures (DON) to study biological systems. Here, a surprisingly high dynamic of the STV/DON interaction is reported, which is affected by the structure of the DNA linker system. Analysis of different mono- or bi-dentate linker architectures on DON with a novel high-speed atomic force microscope (HS-AFM) enabling acquisition times as short as 50 ms per frame gave detailed insights into the dynamics of the DON/STV interaction, revealing dwell times in the sub-100 millisecond range. The linker systems are also used to present biotinylated epidermal growth factor on DON to study the activation of the epidermal growth factor receptor signaling cascade in HeLa cells. The studies confirm that cellular activation correlated with the binding properties of linker-specific STV/DON interactions observed by HS-AFM. This work sheds more light on the commonly used STV/DON system and will help to further standardize the use of DNA nanostructures for the study of biological processes

Socioeconomic inequality in domains of health: results from the World Health Surveys

<p>Abstract</p> <p>Background</p> <p>In all countries people of lower socioeconomic status evaluate their health more poorly. Yet in reporting overall health, individuals consider multiple domains that comprise their perceived health state. Considered alone, overall measures of self-reported health mask differences in the domains of health. The aim of this study is to compare and assess socioeconomic inequalities in each of the individual health domains and in a separate measure of overall health.</p> <p>Methods</p> <p>Data on 247,037 adults aged 18 or older were analyzed from 57 countries, drawn from all national income groups, participating in the World Health Survey 2002-2004. The analysis was repeated for lower- and higher-income countries. Prevalence estimates of poor self-rated health (SRH) were calculated for each domain and for overall health according to wealth quintiles and education levels. Relative socioeconomic inequalities in SRH were measured for each of the eight health domains and for overall health, according to wealth quintiles and education levels, using the relative index of inequality (RII). A RII value greater than one indicated greater prevalence of self-reported poor health among populations of lower socioeconomic status, called pro-rich inequality.</p> <p>Results</p> <p>There was a descending gradient in the prevalence of poor health, moving from the poorest wealth quintile to the richest, and moving from the lowest to the highest educated groups. Inequalities which favor groups who are advantaged either with respect to wealth or education, were consistently statistically significant in each of the individual domains of health, and in health overall. However the size of these inequalities differed between health domains. The prevalence of reporting poor health was higher in the lower-income country group. Relative socioeconomic inequalities in the health domains and overall health were higher in the higher-income country group than the lower-income country group.</p> <p>Conclusions</p> <p>Using a common measurement approach, inequalities in health, favoring the rich and the educated, were evident in overall health as well as in every health domain. Existent differences in averages and inequalities in health domains suggest that monitoring should not be limited only to overall health. This study carries important messages for policy-making in regard to tackling inequalities in specific domains of health. Targeting interventions towards individual domains of health such as mobility, self-care and vision, ought to be considered besides improving overall health.</p