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Elaboration of Amorphous-Clay Hybrid: (Al2Si2O7·1/2Li2O) Designed as a Single Ion Conducting Solid Electrolyte for Li-Ion Batteries

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American Journal of Analytical Chemistry 2014年第17期5卷 1261-1272页

作者： nouha jaafar Sonia Naamen Hafsia Ben Rhaiem Abdesslem Ben Haj Amara Laboratory of Physics of Lamellar Hybrid Materials and Nanomaterials Department of Physics Faculty of Science of Bizerte University of Carthage Bizerte Tunisia

Keying of lithium chloride alkali halide salt into the interlamellar space of nacrite clay mineral leads to a stable hybrid material that after calcination under inert atmosphere at 723 - 873 K induces an amorphous metahybrid. The electrochemical impedance spectroscopy (EIS) was performed to investigate the electric/dielectric properties of the hybrid with various parameters: frequency and temperature. Equivalent circuit was proposed to fit the EIS data. The experiment results show that the ionic conduction mechanism is related to the motion of Li+ cations which are thermally activated, named the hopping model. Furthermore, the resulting metahybrid obtained from dehydroxylation of the formal hybrid shows a superionic behavior with high ionic conductivity up to 10﹣2 S·m﹣1, good electrochemical stability and can be used as a solid electrolyte material for Li-ion batteries.

关键词： Nacrite Clay Hybrid Amorphous Solid Electrolyte Lithium-Ion Battery

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Functionalization and Structural Characterization of a Novel Nacrite-LiCl Nanohybrid Material

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American Journal of Analytical Chemistry 2015年第3期6卷 202-215页

The nacrite-LiCl hybrid composite material was prepared at room temperature by indirect inter-calation of lithium chloride between the planar layers of nacrite, a clay mineral, using acetone as a solvent. The structural identification of the hybrid clay material was determined by means of X-ray diffraction (XRD), thermogravimetric analysis (TGA) and infrared spectroscopy (IR). The qualitative XRD analysis showed that the basal spacing value increased from 0.72 nm to 1.14 nm and revealed that the alkali halide intercalated successfully in the interlayer space of the nacrite framework. The quantitative XRD analysis allowed us to determine the optimum structural parameters related to the position and number of keyed ions and water molecules per half unit cell calculated along the c* axis and the goodness of fit parameter (Rp). The thermal properties of the elaborated hybrid were in great accordance with the XRD study and confirm the intercalation of the hydrated salt in the interlamellar space of nacrite. Moreover, IR spectroscopy enabled the study of the interactions between the silicate ‘‘networks’’ and the alkali halide.

关键词： Nacrite Composite Material X-Ray Diffraction TG Analysis Infrared Spectroscopy

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Primary Synovial Sarcoma of the Kidney: A Case Report

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Journal of Cancer Therapy 2021年第10期12卷 579-584页

作者： nouha Ammar Imene Chabchoub Rihab Ben jaafar Hiba Sboui Makram Hochlef Faten Ezzaairi Sami Sfar Imtinane Belaid Leila Ben Fatma Manel Njim Nadia Bouzid Mohsen Belguith Rzig Ahmed Zakhama Abdelfateh Slim Ben Ahmed Medical Onocology Department University Hospital Farhat Hached Sousse Tunisia Pediatric Surgery Department University Hospital Fatouma Bourguiba Monastir Tunisia Anathomopathology Department University Hospital Fatouma Bourguiba Monastir Tunisia Radiotherapy Department University Hospital Farhat Hached Sousse Tunisia Radiology Department University Hospital Fatouma Bourguiba Monastir Tunisia

Synovial sarcoma originating from the kidney is extremely rare. A 13-year-old girl presented with a mild left flank pain of one-week duration, with no associated history of hematuria or any other systemic symptoms. Computed tomography (CT) demonstrated a 6 × 13 × 9 cm mass in the left kidney. No soft tissue or extrarenal masses were identified. The patient received a combined of treatment with doxorubicin and ifosfamide. A radical nephrectomy was performed in the left kidney with no complications. Postoperative pathology revealed post-chemotherapy residue of monophasic spindle cell synovialosarcoma of the left kidney. She received a combined treatment with doxorubicin and ifosfamide in concomittance with external radiation therapy. The patient was re-examined 4 months after surgery. An abdominal and pulmonary CT found no recurrence or metastasis.

关键词： Synovial Sarcoma Kidney

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