Miracle-dz/UniFAR-FTUs huggingface dataset:
Using of Amniotic Membrane Derivatives for the Treatment of Chronic Wounds

Amniotic membrane grafts have some therapeutic potential for wounds healing. Early application of amniotic membrane turned out as beneficial in healing ulcers, burns, and dermal injuries. Since the second half of the 20th century, the autotransplants of amniotic/chorion tissue have been also used for the treatment of chronic neuropathic wounds, cornea surface injuries, pterygium and conjunctivochalasis, and dental and neurosurgical applications. The aim of this publication is to prepare a coherent overview of amniotic membrane derivatives use in the field of wound healing and also its efficacy. In total 60 publications and 39 posters from 2000–2020 were examined. In these examined publications of case studies with known study results was an assemblage of 1141 patients, and from this assemblage 977 were successfully cured. In case of posters, the assemblage is 570 patients and 513 successfully cured. From the investigated data it is clear that the treatment efficacy is very high—86% and 90%, respectively. Based on this information the use of the amniotic membrane for chronic wounds can be considered highly effective.
Implementing just-in-time philosophy to reverse logistics systems: a review

Just-in-time (JIT) and reverse logistics are two important philosophies. Coincidentally, both are related to reducing the impact on the environment. However, they are sometimes in conflict with each other. The former focuses on moving the materials smoothly which require a stable demand and supply, but the latter is weak in terms of predicting how many returned products will be processed. Therefore, there is a need to investigate the impact of JIT to reverse logistics systems. After an extensive literature review based on a model developed for this purpose, different functions, namely reverse logistics structure, process model, product life cycle, information system model, and JIT performance, have been identified that have great impact on integrating JIT with reverse logistics. In short, a process model with JIT can have a better control on cost and efficiency of reverse logistics activities, and product life cycle management with JIT helps to design the product that consider the reverse activities in various process models. An information system can support both process model and product life cycle management for JIT reverse logistics. Details are presented in this paper.
Lógica dominante de servicio en ecosistemas de negocios artesanales: de la cooperación a la cocreación

El presente artículo busca direccionar la gestión de negocios artesanales en México, hacia innovadoras teorías de mercadotecnia, lo que permite evolucionar de un enfoque tradicional de cooperación empresarial para la competitividad al marco conceptual de la Lógica dominante del servicio (LDS) y su perspectiva de cocreación en ecosistemas de servicio. El estudio comprende una revisión bibliográfica analítica que esboza y examina las diferencias entre la cooperación, enfoque teórico que aboga por generar una oferta valor del artesano al cliente, y la cocreación, enfoque que propone la generación de valor conjunta entre el artesano y el cliente, presentando el comparativo analítico de la cooperación, como estrategia de competitividad en el sector de las artesanías en México, y las principales premisas de la (LDS), como estrategia de intercambio basado en el servicio para el beneficio mutuo y el desarrollo comunitario. Los autores argumentan que las estrategias de gestión de negocios artesanales deben ser funcionales y adaptadas a la complejidad y particularidades culturales de los pueblos indígenas y de los artesanos. Por lo que resulta relevante proporcionar nuevos conocimientos que permitan a pequeñas y medianas empresas artesanales, generar mejores prácticas de gestión de mercados, respetando su idiosincrasia y asegurando su sostenibilidad.
On Creativity: A Case Study of Military Innovation

Abstract : My aim is to present a view on how military creativity and innovation occur, a view that draws on four lines of creativity research. This thesis explores whether factors found to influence creativity in this wide field of research can help explain military innovation. Although creativity research has roots in the military, it currently follows a different path than military innovation studies. While the creativity research drinks from a well of knowledge shared by the fields of psychology, neuroscience, organizational behavior, education, management, and so forth, the authors of military innovation studies develop concepts and theories in relative isolation. The thesis uses a descriptive case study approach, and formulates a theoretical framework to describe the conditions that set the stage for creativity and innovation onboard the USS Nimitz. Guided by the framework, this case study shows that there are strong forces in the Navy resisting change and defending the status quo. Still, it is possible to outmaneuver the hierarchy and bring ideas and suggestions straight to the commanding officers attention. Faced with a rigid, conservative culture, USS Nimitz managed to create a climate of intrinsic motivation where individuals believed their ideas could make a difference and acted on those beliefs.
New NDT techniques for new materials and applications

Purpose – The purpose of this paper is to provide an insight into the techniques used for the non‐destructive testing (NDT) of non‐metallic structural materials, notably polymer and ceramic composites.Design/methodology/approach – Following a short introduction, this paper first considers methods for testing carbon fibre‐ and glass fibre‐reinforced polymer composites. It then discusses the role of NDT in wind and wave power systems and some of the techniques used to test ceramics and ceramic composites. Brief conclusions are drawn.Findings – This shows that the growing use of non‐metallic engineering materials in critical applications has highlighted the need for a range of advanced NDT methods. While some traditional techniques can be adapted to test these materials, in several instances novel methods are required. These include a range of thermal, ultrasonic, electromagnetic, radiographic and laser‐based technologies.Originality/value – The paper provides a review of the techniques used and being develo.
Assessment of Dysfunctional Movements and Asymmetries in Children and Adolescents Using the Functional Movement Screen—A Narrative Review

The Functional Movement Screen (FMS) is a screening tool that identifies dysfunctional movements in seven test items requiring an interplay of cognitive, perceptual, proprioceptive, and motor functions that involve muscular strength/endurance, flexibility, mobility, coordination, and balance. The results of the FMS include an overall composite score, scores on the individual test items, and identification of compensatory movement patterns and left-right asymmetries on 5 bilateral test items. Although there is a plethora of literature on the use of the FMS in adults, there is a growing body of evidence indicating its use in children. The available research in children involves school children and young athletes in at least 20 different sports in over 20 countries and comparisons between pre- and post-pubescent children, and normal weight, overweight, and obese children. Studies that include measures of adiposity and physical activity levels, or report prevalence of asymmetries and dysfunctional movement patterns are not well represented in the children’s literature. The purpose of this paper is to synthesize the currently available literature in children and suggest potential uses of the FMS by coaches, physical educators, and other health/fitness professionals, appropriate interpretation of results, and future research in children.
Factors predicting the intention to accept treated wastewater reuse for non-potable uses amongst domestic and non-domestic respondents

Water reuse projects can fail if the factors (social, technical, financial, etc) governing their implementation are not adequately addressed prior to implementation. This paper presents the findings of the analysis of questionnaires administered to potential domestic and non-domestic consumers in Capricorn and Vhembe (Limpopo Province) where wastewater reuse was being considered. The analysis examined the factors considered to predict the intention to accept wastewater reuse prior to implementation. Structural Equation Modelling (SEM) was employed to test several hypotheses addressing respondents' intention to accept wastewater reuse for non-potable end uses. In other words, SEM tested whether certain factors (e.g. trust, attitudes and control) measured intention. Intention was measured as a second order factor. For non-domestic respondents, the factors that predicted intention to accept wastewater reuse in order of significance were their attitude towards wastewater reuse, the degree of control over the source of water and its application, the respondents' knowledge of the advantages of reuse and the respondents' trust in the service provider. For domestic respondents, the factors were their knowledge of the advantages of reuse, the degree of control over the source of water and its application, attitude towards wastewater reuse, trust in the service provider, and the subjective norms of the respondents. Physical quality satisfaction (for both respondent categories) and subjective norms (for non-domestic respondents only) could not be assessed because a reliable scale was not formed. The above findings have implications for future wastewater reuse in South Africa, i.e. that decision-makers contemplating reuse for non-potable uses would profit from addressing the various factors predicting intention to accept reuse prior to implementation.
Study on Driving Technology of Piezoelectric Solid-State Micro Gyroscope

In order to compensate the noise brought by piezoelectric gyroscope or external environment and track the resonance frequency, Closed Loop Driving Circuit (CLDC) of piezoelectric solid-state micro gyroscope is proposted in the paper which will stabilize the driving voltage value and keep the resonance frequency tracked. CLDC mainly contains Phase Lock Loop (PLL) circuit, Automatic Gain Circuit (AGC). Experimental results show that the fluctuation of reference voltage is within ±7mv, while the fluctuation of reference voltage in Open Loop Driving Circuit (OLDC) without noise compensation is ±23mv. The frequency of CLDC drifts within 0.03 kHz with the resonance frequency of 357.9 kHz while the OLDC can’t track any drifting.
Practical design rules for optimum finite impulse response low-pass digital filters

Although a great deal is known about design techniques for optimum (in a minimax error sense) finite impulse response (FIR) low-pass digital filters, there have not been established any practical design rules for such filters. Thus, a user is unable to easily decide on the (approximate or exact) filter order required to meet his design specifications and must resort to tables or trial and error procedures. In this paper, such a set of design rules is given. In the case of very narrow bandwidth or very wide bandwidth filters, analytic relations between the filter parameters can be readily obtained. In all other cases, exceedingly good linear and nonlinear fits to the data can be obtained over somewhat restricted ranges of the parameters. These fitting procedures lead to a practical set of simple design rules for estimating filter order from the desired specifications.
Broadband Millimeter-Wave Dielectric Properties of Liquid Crystal Polymer Materials

Liquid crystal polymers (LCPs) are a class of thermoplastic polymers widely used for packaging radio frequency (RF), microwave, and low millimeter (mm)-wave integrated circuits operating at frequencies as high as 77 GHz. Because of their relatively low cost and attractive electrical, thermal, and mechanical properties, LCPs are of potential interest as a packaging material for advanced circuits operating at high mm-wave frequencies, ~100–300 GHz. To potentially use LCPs at these frequencies will require a quantitative knowledge of the materials’ dielectric properties across a broad frequency band. Here, we present nondestructive measurements of the dielectric constant, Dk, and dissipation factor, Df, on six commercially made LCP materials now used for packaging RF/microwave circuits. Measurements using phase-sensitive transmission from 140 to 220 GHz show values of Dk ranging between 2.0 and 4.5, with four materials essentially nondispersive but two showing significant dispersion in this band. Df values were in the range 0.01–0.06, substantially higher than that has been reported for many LCP materials at RF/microwave frequencies. The results are useful to model accurately the performance of packaged mm-wave circuits.
Factors contributing to non-value adding activities in South African construction

Purpose – Non-value adding activities (NVAAs) are considered to be problematic in the management of projects. Reported research findings suggest that these NVAAs consume resources without necessarily adding value to completed tasks. The main aim of the research is to provide insights and plausible explanations concerning how NVAAs can propagate poor performance in South Africa. Design/methodology/approach – The paper reports on a quantitative survey conducted among public sector clients, consulting engineers, and civil engineering contractors in South Africa. Using a framework that was developed from the literature reviewed, the study proposed three conceptual qualitative models that were based on system dynamics. Findings – The study suggests that NVAAs that are prevalent in South African construction can impact project performance negatively in the form of cost and time overruns. It can also be argued that although there is commonality between NVAAs that are identified in South Africa and other countrie.
Proton Radiotherapy for Patients With Oligometastatic Breast Cancer Involving the Sternum

Abstract Introduction A subset of metastatic breast cancer patients present with oligometastatic disease involving the sternum. Given the proximity to traditional target structures, a proton radiation field can be expanded to include this region, providing definitive therapy for patients who are otherwise metastatic. We evaluated the feasibility and outcomes of a small series of patients who received comprehensive nodal irradiation inclusive of an isolated sternal metastasis using proton pencil beam scanning. Materials and Methods Four patients with a diagnosis of metastatic breast cancer with an isolated metastasis to the sternum received multimodality therapy with curative intent and then underwent adjuvant pencil beam scanning with definitive treatment to the sternum. Dosimetric parameters and treatment outcomes were evaluated. Results With respect to treatment coverage, proton therapy was able to deliver comprehensive target structure coverage while maintaining modest doses to the organs at risk compared with photon techniques. At a median follow-up of 28 months from diagnosis, none of the patients have experienced relapse within the radiation portal or developed additional sites of metastatic disease. Conclusion Pencil beam scanning for oligometastatic breast cancer with isolated sternal lesions appears feasible without undue normal tissue exposure. Current treatment outcomes appear promising.
Development of a Tool for Assessing Patient Compliance on Various Ayurvedic Formulations used for Internal Administration

Introduction: Compliance is a process where the patient follows the prescribed and dispensed regimen as intended by the prescriber. Poor compliance has been reported as it is the most common cause of non-response to medication. There is no single best indicator to assess patient compliance in Health Research. This study aims to develop and validate a new questionnaire considering the pharmaceutical properties of Ayurvedic medicines to measure patient compliance. Methods: The first phase consisted of a qualitative phase to identify the variables to measure patient compliance through in-depth interviews among five doctors and focus group discussion with eight practitioners, and pre-test with respondents, experts, and peers. The second phase was a quantitative phase to assess the respective responses of patients towards the questionnaire through a cross-sectional survey among 106 subjects as a pilot study. Results: The qualitative analysis reported variables that were seen spread across eight domains were used to measure compliance. Conclusion: Ayurvedic treatment is personalized and there is always a scope for a remake of formulation designing for each individual. Sticking on to appropriate prescriptions after properly assessing the needs of the patient and the reason for their non-compliance can bring a revolution in terms of cost-effectiveness and time. The wastage of medicines, whether raw drugs or processed ones can be prevented by recognizing the factors for non-compliance. There is always a scope for improvement with further alike or more developed research in patient compliance in Ayurveda.
Study of Tissue-Specific Reactive Oxygen Species Formation by Cell Membrane Microarrays for the Characterization of Bioactive Compounds

The production of reactive oxygen species (ROS) increases considerably in situations of cellular stress, inducing lipid peroxidation and multiple alterations in proteins and nucleic acids. However, sensitivity to oxidative damage varies between organs and tissues depending on the triggering process. Certain drugs used in the treatment of diverse diseases such as malaria have side effects similar to those produced by oxidative damage, although no specific study has been conducted. For this purpose, cell membrane microarrays were developed and the superoxide production evoked by the mitochondrial activity was assayed in the presence of specific inhibitors: rotenone, antimycin A and azide. Once the protocol was set up on cell membrane isolated from rat brain areas, the effect of six antimalarial drugs (atovaquone, quinidine, doxycycline, mefloquine, artemisinin, and tafenoquine) and two essential oils (Rosmarinus officinalis and Origanum majoricum) were evaluated in multiple human samples. The basal activity was different depending on the type of tissue, the liver, jejunum and adrenal gland being the ones with the highest amount of superoxide. The antimalarial drugs studied showed specific behavior according to the type of human tissue analyzed, with atovaquone and quinidine producing the highest percentage of superoxide formation, and doxycycline the lowest. In conclusion, the analysis of superoxide production evaluated in cell membranes of a collection of human tissues allowed for the characterization of the safety profile of these antimalarial drugs against toxicity mediated by oxidative stress.
Object Detection for Chest X-ray Image Diagnosis Using Deep Learning with Pseudo Labeling

Object detection has been one of the prominent fields in deep learning. The critical success behind many object detection frameworks is the amount of training data. In some areas, however, the cost of acquisition of labeled data are expensive. In this paper, we propose a method to improve the efficiency of object detection on X-ray images by utilizing the pseudo labeling approach from semi-supervised learning. Our goal is to let the model perform the expert task by labeling the unlabeled samples and train the new model with both newly labeled samples and the original labeled samples. We decide to apply the proposed method to the chest X-ray image diagnosis to replicate the real-world situation in which unlabeled data are easily obtainable compared to labeled ones. From the experimental results, our proposed method improves the mean average precision of the object detection model by 3.56 when the model has 30% of the accessible labels and 5.67 when the 50% of labeled data are accessible.
3D CFD Quantification of the Performance of a Multi-Megawatt Wind Turbine

This paper presents the results of 3D CFD rotor computations of a Siemens SWT-2.3-93 variable speed wind turbine with 45m blades. In the paper CFD is applied to a rotor at stationary wind conditions without wind shear, using the commercial multi-purpose CFD-solvers ANSYS CFX 10.0 and 11.0. When comparing modelled mechanical effects with findings from other models and measurements, good agreement is obtained. Similarly the computed force distributions compare very well, whereas some discrepancies are found when comparing with an in-house BEM model. By applying the reduced axial velocity method the local angle of attack has been derived from the CFD solutions, and from this knowledge and the computed force distributions, local airfoil profile coefficients have been computed and compared to BEM airfoil coefficients. Finally, the transition model of Langtry and Menter is tested on the rotor, and the results are compared with the results from the fully turbulent setup.
Passive multistatic radar experiment using WiMAX signals of opportunity. Part 1: Signal processing

Radio frequency (RF) spectrum crowding has resulted in the need for interoperability between radar and communications systems. Passive radar has been investigated as a means to exploit the proliferation of RF systems to perform functions such as detection and tracking of moving targets. Passive multistatic radar may alleviate spectral fratricide by replacing some active monostatic radar systems. Part 1 of this study presents results from a passive multistatic radar experiment that exploits worldwide interoperability for microwave access (WiMAX) communications waveforms to detect moving targets. Signal processing strategies for high-duty cycle, low pulse repetition frequency (PRF) waveforms are discussed and validated on experimental data. Part 2 of this article attempts to address the outstanding research issue of combining data from multistatic radar systems to increase performance.
Insecure Employment Contracts during the COVID-19 Pandemic and the Need for Participation in Policy Making

Job security influences the ability of nurses to provide high-quality nursing care. The Iranian health system has always faced nursing shortages, and the COVID-19 pandemic has worsened this situation. Although nurses have been labelled ‘heroes’ across the globe, many of them have been hired using insecure employment contracts. This commentary aims to describe issues surrounding job contracts for Iranian nurses during the COVID-19 pandemic and discusses how the current situation can be improved. Iranian nurses are at the frontline of the fight against COVID-19 and need to receive better support in terms of job security and dignity. They should participate more in policymaking activities to improve their job condition and prevent the development and implementation of the short-term and insecure job contracts that lead to job insecurity.
High pressure processing of milk‐the first 100 years in the development of a new technology

The year 1999 marks the centenary of the first publication on the effects of high hydrostatic pressure on milk. After the initial activity, interest was revived with improvements to the high pressure processing equipment. High pressure processing has been demonstrated to be an effective method of modifying protein structure in milk and milk products and to have a bacteriocidal effect. Vegetative bacteria vary in their barosusceptibility and elimination of pathogens cannot be guaranteed.