Obesity remains a pandemic of the 21st century. While there are many causes of obesity and potential treatments that are currently known, source data indicate that the number of patients is constantly increasing. Neural mechanisms have become the subject of research and there has been an introduction of functional magnetic resonance imaging in obesity-associated altered neural signaling. Functional magnetic resonance imaging has been established as the gold standard in the assessment of neuronal functions related to nutrition. Thanks to this, it has become possible to delineate those regions of the brain that show altered activity in obese individuals. An integrative review of the literature was conducted using the keywords ““functional neuroimaging” OR “functional magnetic resonance “OR “fmri” and “obesity” and “reward circuit and obesity” in PubMed and Google Scholar databases from 2017 through May 2022. Results in English and using functional magnetic resonance imaging to evaluate brain response to diet and food images were identified. The results from functional magnetic resonance imaging may help to identify relationships between neuronal mechanisms and causes of obesity. Furthermore, they may provide a substrate for etiology-based treatment and provide new opportunities for the development of obesity pharmacotherapy.
Abstract. In the first part of this paper we present an overview of photovoltaic devices installed in Poland in the years 1960-2015. In the years 2009-2016, approximately 199 MW in total power of photovoltaic devices were installed. The second part of the paper we focus on presenting the research results on the usage of tracking photovoltaic installations in 2010-2016 collected in various periods of their work. PV panels were installed on the building of the Institute of Electrical Power Engineering of the Lodz University of Technology. In this paper we considered PV installations as an additional source of energy improving the total energetic efficiency of the building via the reduction of energy consumed from public electric and power networks. The installation satisfies up to 30% of annual energy demand of laboratories. However, the break-even period of the system was estimated to be about 30 years because of the high cost of installation.
The ground state, magnetization scenario and the local bipartite quantum entanglement of a mixed spin-1/2 Ising–Heisenberg model in a magnetic field on planar lattices formed by identical corner-sharing bipyramidal plaquettes is examined by combining the exact analytical concept of generalized decoration-iteration mapping transformations with Monte Carlo simulations utilizing the Metropolis algorithm. The ground-state phase diagram of the model involves six different phases, namely, the standard ferrimagnetic phase, fully saturated phase, two unique quantum ferrimagnetic phases, and two macroscopically degenerate quantum ferrimagnetic phases with two chiral degrees of freedom of the Heisenberg triangular clusters. The diversity of ground-state spin arrangement is manifested themselves in seven different magnetization scenarios with one, two or three fractional plateaus whose values are determined by the number of corner-sharing plaquettes. The low-temperature values of the concurrence demonstrate that the bipartite quantum entanglement of the Heisenberg spins in quantum ferrimagnetic phases is field independent, but twice as strong if the Heisenberg spin arrangement is unique as it is two-fold degenerate.
INTRODUCTION: Pulmonary embolism (PE) is a widespread disorder, which appears as a result of closure or restriction of main pulmonary artery or its branches and is often associated with deep vein thrombosis (DVT).The severity and clinical picture is frequently erratic and what is worrying it is a major cause of hospitalization and mortality in Europe. OBJECTIVE:The main purpose of our study was to demonstrate meaning of emboli location in prognosis, favour risk factors which could be overlooked by clinicians and help to avoid further misdiagnosis. ABBREVIATED DESRCIPTION OF THE STATE OF KNOWLEDGE:We highlighted the importance of defining a genetic profile, personal and family history of VTE, especially in patients with atypical pulmonary symptoms. Moreover, the awareness of possible occurring PE among children, during serious infections or in patients with malignancy is still insufficient. Furthermore, according our analysis clinical symptoms in patients with pulmonary embolism are undoubtedly influenced by the location. The more massive the thrombus appears, the more serious consequences can be expected for the patient. Along with the size of the thrombus, the risk of its complications increases because of haemodynamic changes.SUMMARY:Diagnosing of pulmonary embolism in hemodynamically stable patients is still challenging for clinicians. There were many attempts to find significant and unmistakeable relationship between emboli location in pulmonary vasculature and prognosis.That knowledge could be helpful for clinicians in setting accurate diagnosis, implementing appropriate treatment and avoid possible life-threatening consequences.Risk stratification is crucial to the management and prognosis of patients with acute PE.
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