This study evaluates the energy efficiency of an urban dairy farm in Tlemcen, Algeria, by assessing the feasibility of a grid-connected photovoltaic (PV)/wind hybrid energy system. Using HOMER and MATLAB software, the study explores the potential for replacing the farm's existing energy systems with a hybrid system integrated into a low-voltage electrical grid. The HOMER software determined the configuration that resulted in the lowest net present cost, energy cost in kWh, greenhouse gas emission mitigation, and renewable fraction (RF).
View Article and Find Full Text PDFSelenium (Se) is an essential nutrient that has gained attention for its impact on the human immune system. The purpose of this review is to explore Se's immunomodulatory properties and to make up-to-date information available so novel therapeutic applications may emerge. People acquire Se through dietary ingestion, supplementation, or nanoparticle applications.
View Article and Find Full Text PDFIntroduction And Importance: Chondroosseous respiratory adenomatous epithelial hamartoma (COREAH) is a rare benign lesion of the nose and sinuses, with some cases reported in the literature.
Clinical Case: We present here a case of COREAH, in a woman whose clinical examination finds a polypoid mass in the left nasal cavity. Computed tomography (CT) and magnetic resonance imaging (MRI) confirmed the presence of a large mass in the anterior nasal cavity extended to the cranial cavity through the screened blade on the right side.
While silver nanowires (Ag NWs) have been demonstrated as a highly efficient transparent conducting material, they suffer from strong light scattering, which is quantified by a large haze factor (HF) in the optical spectrum. Here we investigate the influence of the dielectric environment on the light scattering of Ag NWs by comparing experimental measurements and simulations. In air, two peaks on the HF spectra are observed experimentally at the wavelength of= 350 nm and= 380 nm and are attributed by simulations to the influence of the Ag NWs pentagonal shape on the localized surface plasmon resonance.
View Article and Find Full Text PDFSeleno-Yeasts (SY) used as feed additives are known to contain different Selenium (Se) species. Seleno-Yeasts has been shown, on previous analytical methods, to contain selenomethionine (SeMet), selenocysteine (SeCys), selenate (Se) and selenite (Se), and various other organic and inorganic Se forms identified but rarely quantified. A new advanced method has allowed elemental Se (Se), an inorganic Se species, to be quantified, thereby obtaining better insight into the proportion of inorganic Se in SY products.
View Article and Find Full Text PDFIn this study, we aimed to determine the amount of Se transferred to milk and blood of mid- to late-lactation dairy cows when supplemental Se from hydroxy-selenomethionine (OH-SeMet) was fed compared with an unsupplemented group and a group supplemented with a seleno-yeast (SY). Twenty-four lactating Holstein cows (178 ± 43 d in milk) were used in a complete randomized block design for 91 d (7-d covariate period and 84-d treatment period). Treatments were (1) basal diet with an analyzed Se background of 0.
View Article and Find Full Text PDFGallium-doped zinc oxide (GZO) films were fabricated using RF magnetron sputtering and atomic layer deposition (ALD). The latter ones demonstrate higher electrical conductivities (up to 2700 S cm) and enhanced charge mobilities (18 cm V s). The morphological analysis reveals differences mostly due to the very different nature of the deposition processes.
View Article and Find Full Text PDFThe role of 2-hydroxy-(4-methylseleno)butanoic acid (OH-SeMet), a form of organic selenium (Se), in selenoprotein synthesis and inflammatory response of THP1-derived macrophages stimulated with lipopolysaccharide (LPS) has been investigated. Glutathione peroxidase (GPX) activity, GPX1 gene expression, selenoprotein P (SELENOP) protein and gene expression, and reactive oxygen species (ROS) production were studied in Se-deprived conditions (6 and 24 h). Then, macrophages were supplemented with OH-SeMet for 72 h and GPX1 and SELENOP gene expression were determined.
View Article and Find Full Text PDF-Kyrieleis arteritis is a rare manifestation in posterior uveitis-Kyrieleis arteritis is most frequently reported in ocular toxoplasmosis.-The pathogenesis still highly debated.-It is characterized by the presence of focal, segmental plaques or exudates within retinal arteries.
View Article and Find Full Text PDFRev Med Liege
March 2022
Medulloblastoma is a cerebellar grade IV tumour according to the WHO classification, mainly seen in children under the age of 15. This cancer can nevertheless occur in adults. We report the case of a 22-year-old patient with a medulloblastoma disseminated in the spine.
View Article and Find Full Text PDFIn order to increase the economic profitability of Avileña-Negra Ibérica beef production, the inclusion of corn silage in total mixed rations was proposed during the fattening period. Twenty-four Avileña-Negra Ibérica breed entire young bulls were used to evaluate the effects of two feeding systems-concentrate (CON) and corn silage (SIL)-and two packaging systems-vacuum (VAC) and modified atmosphere (MAP)-on the lipid oxidation, color evolution and visual color acceptability of meat throughout display with either oxygen-permeable film (FILM) or modified atmosphere (MAP). Two muscles were assessed: (LT) and (ST).
View Article and Find Full Text PDFBackground: OCT-A is a recent imaging technique allowing a non-invasive assessment of the retinal and choroidal microvasculature, providing valuable data for the diagnosis and monitoring of wet AMD. We aim to determine the diagnosis accuracy, describe the morphological features, and assess the clinical activity of MNV in wet AMD using OCT-A.
Materials And Methods: We conducted a descriptive cross-sectional study over a 15-month period.
In the shadow of the coronavirus (Covid-19) pandemic, the sterilization has become a major necessity for humans to avoid exponential Infection. In order to avoid touching contaminated surfaces, we develop an embedded system prototype, which allows the bottle or any other medium to pour the sterilization product without touching it. The human hands are detected using two sensors HC-SR04 and LM35.
View Article and Find Full Text PDFAim: To assess epidemiological, clinical and microbiological characteristics of patients presenting with a clinically diagnosed severe corneal abscess at the Farhat Hached Hospital Department of Ophthalmology (Sousse).
Methods: A retrospective, descriptive and anlalytic study of patients presenting severe corneal abscess was conducted over 5 years, from january 1st of 2013 to septembre 3Oth of 2017. The epidemiological, clinical and microbiological aspects, were analyzed.
Cadmium (Cd) is a highly toxic heavy metal. It accumulates in biological tissues, especially in fish which constitutes a first rank food for humans, particularly in the coastal areas. This study investigates the effect of long-term exposure to low Cd concentration (17 μg/kg/day) in rat striatum and hippocampus.
View Article and Find Full Text PDFIn order to achieve an attractive and differentiated product for the consumer and to optimize and to maximize profitability for the farmers within the EU Protected Geographical Indication "Carne de Ávila", 24 yearling males of Avileña-Negra Ibérica breed were used to evaluate the effect of 2 feeding systems, concentrate (CON) and maize silage (SIL), and 2 packaging systems, vacuum (VAC) and modified atmosphere (MAP), on fatty acid composition, proximate analysis, water holding capacity and consumer acceptability of meat in 2 muscles: (LT) and (ST). Animals fed with concentrate showed higher carcass weight. However, feeding did not affect the proximate analysis of the meat.
View Article and Find Full Text PDFAim: The first aim was to assess the quality and determine the prevalence and antibiotic susceptibility of contamination of raw sausage sold in ten municipalities in the Northeast of Algeria. Second, a consumer sausage purchasing survey was designed to investigate potential risk factors that have a significant association with the occurrence of foodborne poisoning among sausage consumers' behavior and its relationship with independent variables.
Materials And Methods: A total of 230 butcheries from ten departments (Daira) of Algiers with more than 40 municipalities were included randomly in these studies to collect raw sausage samples and to distribute 700 structured questionnaires to meat consumers.
Background: The improvements in dialysis have not eliminated long-term problems, including dialysis-related amyloidosis (DRA), caused by Beta-2 microglobulin deposition. Several types of scintigraphy have been tested to detect DRA, none entered the clinical practice. Aim of the study was to assess the potential of PET-FDG scan in the diagnosis of DRA.
View Article and Find Full Text PDFBackground: Our study defines the clinical role of sperm DNA damage in the assisted reproductive technology procedure.
Aim: To investigate if the compaction of chromatin explored added to the analysis of the sperm DNA fragmentation allows obtaining a new indicator for sperm genome quality linked to live birth rate (LBR).
Design: This was a prospective study, undergoing 101 cycles in the intracytoplasmic sperm injection (ICSI) program.
To assess if aortic 18F-fluorodeoxyglucose (FDG) uptake on positron emission tomography/computed tomography (PET/CT) could play a role in predicting complications after endovascular aneurysm repair (EVAR). This study involved 2 cohorts of men with abdominal aortic aneurysm treated by EVAR: those who underwent a PET/CT scan before EVAR (n=17) and those who had a PET/CT during follow-up (n=34). Uptake of FDG was measured as the standardized uptake value (SUV).
View Article and Find Full Text PDFJ Steroid Biochem Mol Biol
January 2019
The published version of this article contained a mistake. In Table 1 of the original article, the numbers of successful injections and failed injections were not correct. The correct Table 1 should read as given below.
View Article and Find Full Text PDFAim: The aim of the study was to compare the learning curves of three beginner operators using two different techniques of intra-articular injection of the knee under fluoroscopic guidance with a superolateral approach.
Materials And Methods: In total, 177 consecutive patients (72 females (40.7%) and 105 males (59.
Background: No effective treatment is currently available and dialysis related amyloidosis continues to be invalidating in long-term dialysis patients. A recent case series reported reduction of osteoarticular pain on doxycycline treatment, extending the indications of this drug, used in other uncommon forms of amyloidosis, to dialysis patients. Explanations of the antalgic effect were the anti-inflammatory properties and anti-coiling effects of tetracycline.
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