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71.
Rawia Msalmi Slim Elleuch Besma Hamdi Wesam Abd El-Fattah Naoufel Ben Hamadi Houcine Naïli 《RSC advances》2022,12(17):10431
In this work, we report two zero-dimensional Cd-based hybrid compounds, denoted CdACP and CdODA, where the Cd atoms adopt tetrahedral geometry. The optical analysis reveals that these materials are classified as wide-gap semi-conductors which makes them suitable for optoelectronic applications. The photoluminescence analysis proves the wavelength dependent white-light emission behavior of the investigated materials. The structural-optical property studies show that, thanks to the heavy halide effect, the CdACP exhibits both fluorescence and room temperature phosphorescence through harvesting triplet states. Meanwhile, in contrast to CdACP, the white light emission from CdODA is purely fluorescence in nature. In fact, within CdODA, both C–H⋯π and N–H⋯N interactions facilitate the intramolecular proton transfer (ESIPT) between the different cations which leads to ultra-fast fluorescence through excited state ESIPT. Under sub-gap excitations, the inorganic sub-lattice is responsible for the blue-green emission through the STE mechanism, while the organic cations contribute by an intense red emission.Under sub-gap excitation, the materials exhibit white light emission (WLE) that originates from the STE within CdBr4 and the organic phosphorescence (for CdACP) and fluorescence (for CdODA). Under excitation above the gap the WLE is purely organic. 相似文献
72.
Ang lique Vienot Hortense Chevalier Cl ment Bolognini Elisabeta Gherga Elodie Klajer Aur lia Meurisse Marine Jary Stefano Kim Christelle d’Engremont Thierry Nguyen Fabien Calcagno Hamadi Almotlak Francine Fein Meher Nasri Syrine Abdeljaoued Anthony Turpin Christophe Borg Dewi Vernerey 《World journal of gastrointestinal oncology》2020,12(3):332-346
73.
Erika Viel Loïc Chaigneau Eleonor Fanton Elsa Kalbacher Antoine Thiery-Vuillemnin Cristian Villanueva Erion Dobi Elsa Curtit Hamadi Almotlak Régis Aubry Xavier Pivot 《Supportive care in cancer》2013,21(2):405-412
Purpose
The treatment of patients with advanced cancer is becoming increasingly aggressive near the end of life, whereas poor literature is available. This study analyzes the management of patients with a solid cancer in their last 3 months of life in the Centre Hospitalier Universitaire de Besançon, France.Methods
This retrospective study includes all adult patients with a solid tumor who died in medical oncology or radiotherapy unit in 2005, 2006, and 2007. Group A had received at least one specific anticancer treatment at the end of life, while group B did not.Results
Of 167 included patients, 139 (83.2 %) received a specific treatment during the last 3 months of life. The reference unit was medical oncology for 76 % and radiotherapy for 24 % patients; overall survival was 18 and 9 months, and median age of metastatic evolution was 59 and 71 in group A and B, respectively. The number of previous lines of chemotherapy was on average 1.96 and 0.39, respectively. In a univariate analysis, differences appear for reference unit, age of death, and number of previous lines of chemotherapy, with a trend for chemosensitivity of the tumor in this small-sized study. No significant difference was found for sex, life-threatening metastases, or performance status.Conclusion
These preliminary data suggest that when evaluating the utilization of care at the end of life, one needs to take into account factors such as the age of the patient and the chemosensitivity of the tumor. 相似文献74.
Zouari N Abid M Fakhfakh N Ayadi MA Zorgui L Ayadi M Attia H 《International journal of food sciences and nutrition》2011,62(8):811-813
The effects of semolina enrichment with blue-green algae (Arthrospira platensis) at three different levels (1, 2 and 3 g/100 g of semolina) on the colour, cooking properties, firmness, free radical scavenging activity and sensory characteristics of pasta are reported. Microalgae addition resulted in higher swelling index and lower cooking loss than the control sample. A significant increase in pasta firmness was evidenced with an increase of added microalgae due to structural reinforcement. In addition to colouring, the use of A. platensis (2 g/100 g of semolina) can enhance the sensory quality and nutraceutical potential as evaluated by free radical scavenging activity of pasta. 相似文献
75.
76.
El Mouldi Garoui Hamadi Fetoui Fatma Ayadi Makni Tahia Boudawara Najiba Zeghal 《Experimental and toxicologic pathology》2011,63(1-2):9-15
To assess liver damages in pregnant and lactating rats and in their suckling pups, wistar female rats were given through drinking water 350 ppm of CoCl2 (157 ppm Co2+) from the 14th day of pregnancy until day 14 after delivery. The effects of cobalt chloride on lipid peroxidation levels, antioxidant enzyme activities, lipid profile and histopathology aspects of liver were evaluated. Biochemical results showed that lipid peroxidation increased significantly in Co-treated rats, as evidenced by high liver thiobarbituric acid-reactive substance (TBARS) levels. Alteration of the antioxidant system in treated group was confirmed by the significant decline of superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx) activities and reduced glutathione (GSH) content in liver of suckling pups and their mothers. Moreover, CoCl2 exposure induced an increase in the activities of the aspartate transaminase (AST), alanine transaminase (ALT), lactate deshydrogenase (LDH) and bilirubin levels in pups and their mothers while liver LDH activity and plasma albumin level were significantly decreased. On the other hand, cobalt chloride induced a marked hypoglycemia, a significant decline in triglycerides and total cholesterol levels. Histological studies showed an infiltration of mononuclear cells and vascular congestion in liver of pups and their mothers.Based on the present findings, exposure of rats to CoCl2 during late pregnancy and early postnatal period affects antioxidant enzyme activities and lipid peroxidation indicating liver damage in mothers and their offspring. 相似文献
77.
Neffati Houcine Ritter Jacques Feki Salma Dron Anne-Gaëlle Slim Amin Hassine Mohsen Braham Hamadi Ramiere Christophe Andre Patrice Aouni Mahjoub Scholtes Caroline 《Clinical microbiology and infection》2012,18(5):E119-E121
Hepatitis E virus (HEV) is one of the leading agents of acute hepatitis. This study investigated the prevalence and risk factors of HEV infection in the Tunisian adult general population, either in blood donors (n = 687) or in patients hospitalized for acute hepatitis (n = 202). The mode of transmission differed between these two populations: contact with animals and living in a rural habitat were the main risk factors for being in contact with HEV in asymptomatic blood donors, while HEV was contracted through contaminated water in symptomatic cases. HEV seroprevalence in adult blood donors in Tunisia was relatively low (5.4%) and increased with age. 相似文献
78.
79.
Ktari Kamel Sarhen Gassen Mahjoub Mohamed Ben Kalifa Bader Klaii Rim Karim Bouslam Saidi Radhia Jelled Anis Saad Hamadi 《The African Journal of Urology》2018,24(1):14-18
Introduction
Acute testicular pain is frequent in urology. If torsion of the spermatic cord and orchiepididymites are usual, thrombosis of the pampiniform plexus is a very uncommon clinical entity. We present an unusual case and review the literature to explore potential etiologies and therapeutic strategies.Observation
A rare case of bilateral thrombosis of the pampiniform plexus occurred in a 39 year-old male.The diagnosis was confirmed with doppler sonographie and Computer Tomography. Urethral infection and protein C deficiency were found as associated factors. The treatment was conservative with good result.Conclusions
Anatomical factors are probably responsible for almost exclusive involvement of the left side. However, coagulation abnormalities and retroperitoneal tumors or absence of inferior vena cava must be sought especially in cases of right side or bilateral thrombosis of the pampiniform plexus. The management of pampiniform plexus thrombosis remains non surgical based on symptomatic treatment with good clinical and radiological evolution. 相似文献80.
The Mr 80,000 common forms of neurophysin and vasopressin from bovine neurohypophysis have corticotropin- and β-endorphin-like sequences and liberate by proteolysis biologically active corticotropin 总被引:1,自引:2,他引:1 下载免费PDF全文
Marc Lauber Pierre Nicolas Hamadi Boussetta Christine Fahy Pierre Béguin Maryse Camier Hubert Vaudry Paul Cohen 《Proceedings of the National Academy of Sciences of the United States of America》1981,78(10):6086-6090
We have tested the hypothesis that the high Mr forms common to both neurophysin and vasopressin detected in bovine neurohypophysis extracts (Nicolas, P., Camier, M., Lauber, M., Masse, M.-J. O., Möhring, J. & Cohen, P. (1980) Proc. Natl. Acad. Sci. USA 77, 2587-2591) might also contain the sequences of other known neuropeptides. The following evidence indicates that corticotropin- and β-endorphin-like sequences are associated with similar high Mr forms and are included in these Mr 80,000 molecules. During the fractionation steps of high Mr material, both corticotropin and β-endorphin immunoreactive species were found to coelute with the neurophysin and vasopressin ones, either under Mr 140,000 (in 0.1 M formic acid) or Mr 70,000-80,000 (in 6 M guanidine) elution volumes. Corticotropin immunoreactivity was found to cofocus at pIs 6.05 and 5.8 with the Mr 80,000 neurophysin-containing species. This material was submitted to affinity chromatography on purified anti-neurophysin antibodies covalently attached to Sepharose 4B. Both the corticotropin and β-endorphin immunoreactivities, together with the neurophysin and vasopressin immunoreactivities, were retained on the immunoadsorbent and codesorbed by either a drastic pH change or by selective displacement with an excess of neurophysin. Comparison of the tryptic-digest maps of either the Mr 68,000 fragment immunoprecipitated by anti-corticotropin antibodies or the Mr 68,000 fragment released after precipitation of the Mr 80,000 species by anti-neurophysin antibodies indicated large sequence homologies. Exposure of either the Mr 80,000 or 68,000 components to mild proteolytic activities resulted in the formation of lower-size fragments. The resulting corticotropin-like immunoreactive material, recovered under the elution volume of standard 125I-labeled corticotropin-(1-24), was tested for its ability to activate glucocorticoid biogenesis by the amphibian interrenal tissue (adrenal) in perifusion. It was found to exhibit a noticeable activity qualitatively undistinguishable from the one of the reference human corticotropin-(1-39). The name neurohypophyseal “coenophorin” (from the Greek word for common) is proposed for this class of Mr 80,000 polypeptides that might represent the common precursor store-house for a set of neuropeptides produced in the hypothalamo-neurohypophyseal tract. 相似文献