In this work, a compressed sensing technique for diagnosis of faulty sensor in an array antenna is proposed. This technique starts from collecting the measurement of the far field pattern. The system relating the difference among the field measured using the healthy reference array and the field radiated by the array under test is analyzed using a parallel coordinate descent (PCD) algorithm, separable surrogate functionals (SSF) algorithm, iterative-reweighted-least-squares (IRLS) algorithm and hybrid IRLS-SSF. These algorithms are applied for complete and partial defective sensors in an array antenna. The simulation results indicate that the proposed hybrid algorithm outperforms in terms of localization of failure sensor with a less number of measurements. It has been shown that the hybrid IRLS-SSF algorithm provides an accurate diagnosis of complete and partial defective sensors as compared to PCD, SSF or IRLS alone. Variety of simulations has been provided to validate the performance of the designed algorithms in diversified scenarios.
Since 2003, the world's developing countries are home to more than 5 billion people thought to be at danger of prolonged consumption of contaminated foods that are aflatoxic according to a number of study efforts conducted in South Africa, Egypt, and other countries in west and east Africa. Additionally, the presence occurrence of aflatoxins and their byproducts in animal tissues used to make food (such as beef and sheep meat) may contaminate human diets. As a result of their increasing prevalence, aflatoxins have recently been identified as a significant public health concern.Aflatoxins are dangerous second-generation byproducts of Aspergillus species. Due to their chemical makeup, the majority of aflatoxins are highly liposoluble substances that can be absorption from the exposed site, such as the gastro-intestinal and respiratory tracts, into the bloodstream, where they can then spread throughout the body and reach various organs, including the liver and kidneys. The primary goals of the study were to monitor and screen for levels of aflatoxin B1 in the Karbala Province using a case-control study. The connection between Aflatoxin B1 concentrations and the common biochemical indicators of liver function as well investigated. How alter liver function by Aflatoxin B1. The study also emphasised the necessity to determine the pathophysiology of AFB1's involvement in the rising number of patients with liver dysfunction. AFB1 levels were quantitated using utilising thin layer chromatography, together with High Pressure liquid chromatography being employed for the quantitative identification (HPLC). In the province of Karbala, an analysis of case-control studies was done to look at the Aflatoxin B1 affects (AFB1) exposure on kidney disease patients. AFB1 levels were quantitated using utilising thin layer chromatography with high-performance liquid chromatography to provide quality results. The evaluations of the samples that tested positive for AFB1 as well as the lipid profile and indicators of liver function tests. The findings indicated that the population under investigation had afflatoxins exposure. AFB1 was found in 100% of individuals with unknown kidney disease (KD) and in 24%, 20%, and 100% of patients with known CKD, respectively. AFB1 concentrations in serum samples ranged from 0.68 to 8.33 ng/mL for patients with questionable KD, 1.21 to For patients, 5.60 ng/mL with known KD, likewise, healthy controls ranged from 0.11 to 1.30 ng/mL. The presence of AFB1 was positively and strongly linked with liver enzymes, specifically ALT and ALP. AFB1 levels among serum samples from KD sufferers and wholesome controls showed a prolonged contact with the poison, suggesting an unknown cause. The evaluation of the biochemical marker of liver functioning supported the effect of AFB1 exposure. This work may help build effective nationwide programmes for tracking AFs exposure. The study also emphasised the necessity to determine the pathophysiology of AFB1's involvement in the rising number of patients with liver dysfunction. Future research is urged to concentrate on more comprehensive topics that cover the entire nation (Iraq).
Studies have demonstrated that poor assessment and planning contribute to airway complications and that current airway assessment strategies have a poor diagnostic accuracy in predicting difficult intubation in the general population. There is a higher risk for difficulties during airway management in patients with pathologies arising from the head and neck region and are more likely to need emergency surgical access. Therefore, thorough assessment and adequate knowledge about the various head and neck pathologies is mandatory. In this chapter, we will briefly go through the preoperative assessment and history & clinical assessment, the investigations. Also we will discuss the airway management at various pathologies involving the head and neck region whether benign/malignant pathologies, OSA (obstructive sleep apnea) and post head & neck operative airway management.
Brain abscess is a collection of pus in the parenchyma of brain. Most common infecting organisms are streptococci, staphylococci and anaerobes, depending upon the source from which it originates. Clostridium cadaveris and Clostridium sporogenes are common organisms found in the gastrointestinal tract of humans, rarely producing disease. Few cases of bacteremia and abscesses are reported with these organisms. We hereby report the first case of brain abscess with C cadaveris and C. sporogenes in a young male with good outcome by surgical and medical management. J Microbiol Infect Dis 2019; 9(3):129-132.
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