Miracle-dz/UniFAR-FTUs huggingface dataset:
"Teaching and Learning Activities in Critical Care: Resident’s Perspective in a Developing Country"

Background : the need for critical care services has increased tremendously specially after the current coronavirus disease 2019 pandemic. It has flounced whole world, posing a high pressure on critical care unit due to large number of patients needing critical care. Although the resources are already reduced due to lack of awareness and less recognized fellowship units in critical care. The dire need has raised concerns over training of residents in critical care especially in Pakistan. The rationale of this study is to improve the training of critical care residents by focusing on the teaching and learning activities and behaviors of teaching physicians which greatly impact the residents in critical care departments. No studies addressing this area have been reported in Pakistan. Method : The study was conducted in Public and Private sector Hospitals of Rawalpindi and Islamabad Pakistan, over a period of ten months from May 2020 till February 2021. An online survey was developed based on a validated tool which was circulated to all residents in critical care all over the twin cities of Pakistan. A 33 items questionnaire was developed derived from prior studies. Internal medicine post graduate training and residents completed an online survey on google forms rating the importance of behaviors and teaching strategies of attending physicians in Critical Care Unit. Results : A total of 173 (101 female, 72 male) residents responded to this study. The behaviors of attending physicians most commonly rated as “very important” to trainees (as quantified by the highest number of 5s on the Likert scale) were (1) Consultant shows enthusiasm for the topics discussed on rounds (2) Consultant share professional experience with the residents. (3) Consultant enjoys teaching residents (4) Consultant explains clinical reasoning and differential diagnosis in critically ill patients and (5) Consultant promotes interest in Research. Conclusion : The results provide novel information to the teaching physicians since they have an immense impact on resident’s education. This study revealed that trait our residents valued most is that Consultant shows enthusiasm for the topics discussed on rounds the other studies have revealed that trainees most valued the ability to explain clinical reasoning and problem-solving approach which leads to differential diagnoses by Consultant whereas other international literature reported most valued behavior was sharing personal information with learners.
A PROPOLIS AS A HEALING AGENT FOR PULP INJURIES

As one of the natural resin materials produced by bees, propolis has been used as a traditional medicine for various diseases because of its biological and pharmacological activities. The purpose of this study was to analyze the potential of propolis as a healing agent for pulp injuries. A total of 35 journals from PubMed, Ebsco, ResearchGate, Wiley Online Library, and other international journal databases were analyzed. Propolis is very rich in active components such as flavonoids that have biological functions such as anti-inflammatory, antibacterial, antifungal and antioxidant which can act as a potential healing agent
Development of Indicators of Opportunity-Based Accessibility

“Accessibility,” defined as the ease (or difficulty) with which opportunities for activity can be reached from a given location, can be measured with the cumulative amount of opportunities from an origin within a given amount of travel time. These indicators can be used in regional planning and modeling efforts to integrate land use and travel demand, and an attempt should be made to calculate these indicators for the smallest geographic area. The primary objective of this paper is to illustrate the creation of realistic space-sensitive and time-sensitive block-level accessibility indicators to track the availability of opportunities. These indicators support the development of an activity-based travel demand model by Southern California Association of Governments to provide second-by-second and parcel-by-parcel modeling and simulation. The indicators also provided the base information for mapping opportunities of access to 15 types of industries at different times during a day. The indicators and their maps were defined for the entire region of Southern California through largely available data that included the Census Transportation Planning Package, Dun & Brad-street postprocessed data, detailed highway networks and travel times from the four-step regional models, and arrival and departure times of workers by industry.
Binary decision diagram-based reliability evaluation of k-out-of-(n + k) warm standby systems subject to fault-level coverage

Warm standby sparing is a fault-tolerance technique that attempts to improve system reliability while compromising the system energy consumption and recovery time. However, when the imperfect fault coverage effect (an uncovered component fault can propagate and cause the whole system to fail) is considered, the reliability of a warm standby sparing can decrease with an increasing level of the redundancy. This article studies the reliability of a warm standby sparing subject to imperfect fault coverage, in particular, fault level coverage where the coverage probability of a component depends on the number of failed components in the system. The suggested approach is combinatorial and based on a generalized binary decision diagrams technique. The complexity for the binary decision diagram construction is analyzed, and several case studies are given to illustrate the application of the approach.
Combining CMMI and Agile Methods

Software Organizations are continuously trying to improve their processes to deliver successful software packages on time, with high quality, low budget resulting in a satisfied and delightful customer. Rapid change and increasing software criticality drive successful development and acquisition organizations to balance the agility and discipline of their key processes. Organizations use both Capability Maturity Model (CMMI) and Agile development to improve. However, both approaches have shortcomings and issues that need to be overcome for better results. Although lots of people believe that both approaches are contradictory, we believe that they can work together for better improvement; the challenge here is to balance the two approaches to take advantage of their strengths and compensate for their weaknesses.
High isolation and compact MIMO antenna system with defected shorting wall

In this paper, a compact multiple-input multiple-output (MIMO) antenna system with high isolation is proposed for 2.4 GHz wireless local area network (WLAN) application. The system is composed of two aperture-coupled shorted patch antennas with a spacing of 4 mm (only 0.032λ). The antenna is fed with an H-shaped coupling slot, and the defected shorting wall is used for high isolation. The proposed MIMO system exhibits an isolation of better than −20 dB and a maximum isolation of −43 dB at the central frequency. The envelope correlation coefficient is less than 0.01. The simulated and measured results show that the proposed antenna is a good candidate for MIMO system with higher isolation and better diversity.
Modeling and Motion Control of Hydraulic Biped Robot

The foot robot has a good adaptability to terrain and hydraulic drive has a great power to weight ratio compared with other drivers, therefore, a hydraulically actuated biped robot is proposed to meet the need for the high flexibility and high load capability, and each leg has four degrees of freedom. According to the proportion of human leg, the leg mechanism of biped robot is designed . A kind of simplified structure of the hydraulic biped robot is put forward based on the analysis of the structure. The model of the leg is established by Lagrange equation to obtain the corresponding dynamic model; the model of the hydraulic system is established according to the hydraulic control theory; the whole model of the leg is obtained combined with the two models. The variable structure control is suitable for the complex high-order control system, keeps invariant for external disturbance and parameter changes, and easily implements the control algorithm on-line, so the variable structure control is used to study on the motion control of the robot. The simulation is executed in Matlab software, which verifies that the mechanical structure is reasonable and the control algorithm is effective.
Introduction of Modular Design in the Conceptual Design of Refrigerators

This paper states the method of modular design in the conceptual design of refrigerators, exploring the application of the modular theory in the design of products and coming to an opinion that it is efficient and quick to find a method in the conceptual design of fridges through the introduction of modularization concept, which can broaden the concept of innovation and the development space in the design of conceptual fridges, and stateing the concept of modular design is applied to the design of household eappliances, which also find a breakthrough for the sustainable design of the appliances product.
The smart walkers as geriatric assistive device. The simbiosis purpose

This paper presents a critical review of the most relevant robotic walkers in the literature, considering the navigation strategies and the sensors used to that purpose; and the human-machine interface used to communicate the device. Finally, based on the previous experience of the Bioengineering Group at IAI CSIC on the development of robotic walkers, a new concept of humanmachine interface to guide a smart walker is presented – the SIMBIOSIS project.
Three-dimensional deformable model for segmentation and tracking of anisotropic cine cardiac MR images

MR imaging is increasingly being used as a method for analyzing and diagnosing cardiac function. Segmentation of heart chambers facilitates volume computation, as well as ventricular motion analysis. Successful techniques have been developed for segmentation of individual 2D slices. However 2D models limit the description of a 3D phenomenon to two dimensions and use only 2D constraints. The resulting model lacks interslice coherency, making interslice interpolation necessary. In addition, the model is more susceptible to corruption due to noise local to one or more slices. We present work towards an approach to segmenting cine MR images using a 3D deformable model with rigid and nonrigid components. Past approaches have used models without rigid components or used isotropic CT data. Our model adaptively subdivides the mesh in response to the forces extracted from image data. Additionally, the local mesh of the model encodes surface orientation to align the model with the desired edge directions, a crucial constraint for distinguishing close anatomical structures. The modified subdivision algorithm preserves orientation of the elements by vertex ordering. We present results of segmenting two multi-slice cardiac MR image series with interslice resolutions of 8 and 4 mm/slice, and intraslice resolution of 1mm/pixel. We also include work in progress on tracking multislice, multiphase cine cardiac MR sequences with 4mm interslice, and 1mm intraslice resolution.
Visual odometry based on binocular catadioptric panoramic camera

In order to solve the lack of scale information in the camera pose estimated by the monocular catadioptric panoramic camera visual odometry, we propose a binocular catadioptric panoramic camera visual odometry method. By analyzing the projection model of the catadioptric panoramic camera, the calculation method of spherical parallax is analyzed in the binocular panoramic system, and then the depth information of the space point is calculated, and the camera's pose is solved through the 3D-2D feature point matching. The experimental verification on the public data set shows that our method is 23% more accurate than the monocular catadioptric panoramic camera visual odometry method.
Suppressing Harmonics in Resolver Signals via FLL Based Complementary Filters

In order to obtain accurate angular position and velocity from resolver signals, Resolver-to-Digital Conversion (RDC) is necessary. However, there are inevitable harmonics in resolver signals, which will deteriorate RDC accuracy seriously. Although the harmonics of resolver signals can be suppressed by using low-pass filters (LPFs), the phase lag of LPFs will result in additional errors in RDC, especially for the suppression of lower-order harmonics. In this paper, a novel filtering strategy is proposed for resolver signals by combining two complementary filters (CFs) with a frequency locked loop (FLL). Firstly, CFs are designed for the sinusoidal and cosinusoidal channels by using the natural orthogonality in the resolver signals. Each CF consists of two LPFs assisted by the estimated frequency from FLL with a frequency discriminator and a second-order observer. Secondly, a frequency discriminator is designed to detect the frequency error between the resolver signals before and after CFs. Thirdly, a second-order observer is designed to estimate the signal frequency by regulating the frequency error. Compared with conventional LPFs, FLL based CFs can suppress the low-frequency harmonics without phase lags and can improve RDC accuracy. Simulation and experimental results demonstrate the effectiveness of the proposed strategy.
A circularly polarised planar slot antenna for UWB applications

A printed rectangular slot antenna for circular polarisation (CP) is presented in this letter. The slot is excited by a CPW feed terminated on a circular disc. Inverted L-shaped strips are attached to the corners of the slot to obtain the desired CP characteristics. A slant rectangular slit cut in the circular disc enhances the CP behaviour. The antenna has a measured impedance bandwidth from 2.5 GHz to 15.0 GHz (143%), whereas the measured 3-dB axial ratio bandwidth (ARBW) is from 4.36 GHz to 6.15 GHz (33%). An improved version of the antenna is also proposed with simulated ARBW of 52% (4.35 GHz to 7.4 GHz) and measured ARBW of 44% (4.7 GHz to 7.35 GHz). The antenna can be useful for applications requiring CP over this frequency range and linear (vertical) polarisation over the rest of the impedance bandwidth.
PARAMETRIC BASED AERODYNAMIC DESIGN OF PERFORMANCE ENHANCING BLADING SYSTEMS

In the present paper, a developed conceptual design for the blading systems of a large amplitude unsteady propulsion -HYPS- is described. The HYPS is an advanced HydroPropulsive System which confers upon its blading systems the ability to effectively receive the changing dynamics of the fluid environment. The paper continues by reviewing the analysis principles upon which the preliminary design was constructed. It further provides a general evaluation of the numerical method on the basis of system performance data gained through extensive trial.
The Indian Perspective on Connectivity Corridors with Southeast Asia: From Barrier to Bridge

: Any discourse on regional economic integration is incomplete without the discussion of the importance of connectivity. Enormous opportunities and growth generated by Asia in the recent past may stop at their international borders in the absence of adequate connectivity. Therefore, the paper is set to review the overall presence of the transport corridors which connect India with Southeast Asian countries. Hence a brief examination of India’s initiation of connectivity corridors, like the Trilateral Highway (TH), the Kaladan Multi-modal Transit Transport Project (KMTTP), the Bangladesh–China–India–Myanmar Economic Corridor (BCIM-EC), and the Mekong India Economic Corridor (MIEC). Their impact on the regional economy at the national level and on the economic development of the connected areas is at the heart of this paper. Second, it attempts to find out the potential determinants of the existing freight over the economic corridor. Findings from the paper recommend that GDP and road density are positively related to the volume of freight. Once these corridors are operational, the connected region will reap more economic benefits than the non-corridor countries.
Managing the DC link neutral potential of the three-phase-four-wire neutral-point-clamped (NPC) inverter in FACTS application

To compensate for the zero sequence current arising from asymmetrical operation of a transmission line, a neutral point clamped (NPC) inverter with a fourth wire must be employed. The most significant challenge arising from controlling of the four-wire NPC inverter consists in stabilizing the neutral point potential at the DC link middle value. Unlike the three-wire case, all the switching states available from the four-wire NPC inverter are attributed to output voltage formation, no freedom remains for neutral potential control. As long as the output voltage is the primary control objective, the neutral potential must be left to an alternative approach for stabilization. A spontaneous neutral line current control loop exists also with the four-wire NPC inverter, which renders the neutral point potential to be self-balancing. However, under asymmetrical operation, the neutral point will be stabilized at some value other than the DC link middle potential. In particular, the response time of the current control loop is strongly load dependent. The proposed three-level buck-boost converter works with high switching frequency due to the nature of zero voltage switching. It offers tight control of the neutral potential with small rating device, fast response and high efficiency. Moreover, it uses the same NPC pole and requires no additional layout consideration.
Impact of Face Masks on Female Body Perception is Modulated by Facial Expressions

People routinely wear face masks during the pandemic, but little is known about their impact on body perception. In this online study, we presented female body images of Caucasian avatars in common dress sizes displaying happy, angry, and neutral facial expressions with and without face masks, and asked women to rate the perceived body attractiveness and body size. In comparison with mask-off condition, mask-on decreased body attractiveness ratings for happy avatars but did not affect ratings for neutral avatars irrespective of avatar dress sizes. For avatars displaying angry expressions, mask-on increased body attractiveness ratings for slimmer avatars but did not affect ratings for larger avatars. On the other hand, body size estimation was not systematically affected by face masks and facial expressions. It appears that face masks mainly show an expression-dependent influence on body attractiveness judgement, possibly through suppressing the perceived facial expressions.
Asthma biologic trial eligibility and real-world outcomes in the United States

Abstract Objective To compare the outcomes of real-world patients who would have been eligible for asthma biologics to those who would not have been eligible. Methods We used data from the OptumLabs Data Warehouse (OLDW) to categorize patients into eligible and ineligible groups based on clinical trials (n = 19 trials) used for Food and Drug Administration (FDA) approval. We then compared the change in the number of asthma exacerbations before and after biological initiation between the two groups. Results The percentage of people who would have been eligible for asthma biologic clinical trials ranged from 0–10.2%. The eligible group had a greater reduction in number of asthma exacerbations compared to the ineligible group based on eligibility criteria from 1 omalizumab trial (1.52, 95% CI 1.25, 1.8 in eligible vs. 0.47, 95% CI 0.43, 0.52 in ineligible) and from 1 dupilumab trial (1.6, 95% CI 0.92, 2.28 in eligible vs. 0.52, 95% CI 0.38, 0.65 ineligible). Notably, 15 of the 19 trials had fewer than 11 eligible people, limiting additional comparisons. Conclusions Fewer than 1 in 10 people in the United States treated with asthma biologics would have been eligible to participate in the trial for the biologic they used. Where comparisons could be made, trial eligible people have a greater reduction in exacerbations. Supplemental data for this article is available online at https://doi.org/10.1080/02770903.2021. 2010749 .
Taurine as a Natural Antioxidant: From Direct Antioxidant Effects to Protective Action in Various Toxicological Models

Natural antioxidants have received tremendous attention over the last 3 decades. At the same time, the attitude to free radicals is slowly changing, and their signalling role in adaptation to stress has recently received a lot of attention. Among many different antioxidants in the body, taurine (Tau), a sulphur-containing non-proteinogenic β-amino acid, is shown to have a special place as an important natural modulator of the antioxidant defence networks. Indeed, Tau is synthesised in most mammals and birds, and the Tau requirement is met by both synthesis and food/feed supply. From the analysis of recent data, it could be concluded that the direct antioxidant effect of Tau due to scavenging free radicals is limited and could be expected only in a few mammalian/avian tissues (e.g., heart and eye) with comparatively high (>15–20 mM) Tau concentrations. The stabilising effects of Tau on mitochondria, a prime site of free radical formation, are characterised and deserve more attention. Tau deficiency has been shown to compromise the electron transport chain in mitochondria and significantly increase free radical production. It seems likely that by maintaining the optimal Tau status of mitochondria, it is possible to control free radical production. Tau’s antioxidant protective action is of great importance in various stress conditions in human life, and is related to commercial animal and poultry production. In various in vitro and in vivo toxicological models, Tau showed AO protective effects. The membrane-stabilizing effects, inhibiting effects on ROS-producing enzymes, as well as the indirect AO effects of Tau via redox balance maintenance associated with the modulation of various transcription factors (e.g., Nrf2 and NF-κB) and vitagenes could also contribute to its protective action in stress conditions, and thus deserve more attention.
Deep silicon etching: current capabilities and future directions

Deep Reactive Ion Etching (DRIE) has revolutionized a wide variety of MEMS applications since its inception nearly two decades ago. The DRIE technology has been largely responsible for allowing lab scale technology demonstrations to become manufacturable and profitable consumer products. As applications which utilize DRIE technologies continue to expand and evolve, they continue to spawn a range of new requirements and open up exciting opportunities for advancement of DRIE. This paper will examine a number of current and emerging DRIE applications including nanotechnology, and DRIE related packaging technologies such as Through Silicon Via (TSV) and plasma dicing. The paper will discuss a number of technical challenges and solutions associated with these applications including: feature profile control at high aspect ratios, causes and elimination of feature tilt/skew, process options for fragile device structures, and problems associated with through substrate etching. The paper will close with a short discussion around the challenges of implementing DRIE in production environments as well as looking at potentially disruptive enhancements / substitutions for DRIE.