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Tuberculous pericarditis-a silent and challenging disease:A case report

World Journal of Clinical Cases 2022年第6期10卷 1869-1875页

作者： Oscar david lucero Marlon Mauricio Bustos Darwin Jhoan Ariza Rodriguez Juan Camilo Perez Department of Internal Medicine Hospital Universitario San IgnacioBogota 110231Colombia Internal Medicine Resident Pontificia Universidad JaverianaBogota 110231Colombia

BACKGROUND Tuberculous pericarditis(TP)remains a challenge for endemic *** developing countries,one to two percent of patients with pulmonary tuberculosis develops *** SUMMARY A 49-year-old woman presented with dyspnea,chest pain and dry *** physical examination,veiled heart sounds were *** electrocardiogram showed low-voltage complexes and the transthoracic echocardiography revealed a large and free-looking pericardial *** patient was taken for an open *** pericardial fluid revealed high levels of adenosine deaminase and Ziehl-Neelsen stain showed acid-fast *** chain reaction study for Mycobacterium tuberculosis in pericardial fluid was *** patient received tetra conjugate management with adequate clinical response after the first week of treatment and resolution of fever and chest *** In cases of TP,obtaining pericardial fluid and/or pericardial biopsy is the most efficient strategy to confirm the *** diagnosis of this entity will allow physicians to initiate timely treatment,avoid complications and improve the patient's clinical outcome,so we consider the description of this case pertinent and its review in the literature.

关键词： Tuberculosis Pericardial disease Tuberculous pericarditis Pericardial effusion Mycobacterium tuberculosis Case report

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Inactivation of Salmonella Species on New Mexico Green Chile Peppers by Flame Roasting

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Journal of Agricultural Science and Technology(A) 2012年第7期2卷 851-855页

作者： Ruben Zapata Paul Browning Cecelia Garcia david lucero Willis M. Fedio Food Safety Laboratory New Mexico State University Las Cruces NM 88001 USA Marketing and Development Division New Mexico Department of Agriculture Las Cruces NM 88001 USA

Salmonella spp. have been implicated in foodborne disease outbreaks involving chile peppers, usually in combination foods such as chile rellenos, salsa, pico de gallo, guacamole and others where the source of contamination is uncertain. Salmonella Typhimurium ATCC 14028 was used in this study to artificially inoculate green chile peppers. Green chile peppers were weighed and artificially contaminated by applying the calculated inoculation volumes of 4 o,L per g of pepper. No presumptive salmonellae were found on any of the peppers prior to inoculation with S. Typhimurium. Twenty inoculated chiles were transferred to a custom built lab-scale roaster and then flame roasted for five minutes until they were blistered on the surface, as is commonly at New Mexico supermarkets. The surface temperature of representative chiles was measured with an infrared thermometer. Flame roasting of green chile peppers is effective in reducing bacterial contaminants on fresh green chile peppers. Based on the TSAYE counts where inoculated chile peppers had a mean plate count of 7.21 and the roasted chile peppers 2.71 and 2.75, a 4.5 log reduction was seen. Results reveal the effectiveness of flame roasting on the microbiological safety and quality of roasted green chile peppers.

关键词： Salmonella spp. green chile peppers flame roasting.

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Dual-shell silicate and alumina coating for long lasting and high capacity lithium ion batteries

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Journal of Energy Chemistry 2022年第5期31卷 314-323页

作者： Marcos lucero Tucker M.Holstun Yudong Yao Ryan Faase Maoyu Wang Alpha T.N’Diaye david P.Cann Joe Baio Junjing Deng Zhenxing Feng School of Chemical Biologicaland Environmental EngineeringOregon State UniversityCorvallisOR 97331United States Advanced Photon Source Argonne National LaboratoryArgonneIllinois 60439United States Advanced Light Source Lawrence Berkeley National LaboratoryBerkeleyCalifornia 94720United States Materials Science School of MechanicalIndustrialand Manufacturing EngineeringOregon State UniversityCorvallisOR 97331United States

Here we demonstrate a theory-driven, novel dual-shell coating system of Li_(2)SrSiO_(4) and Al_(2)O_(3), achieved via a facile and scalable sol-gel technique on LiCoO_(2) electrode particles. The optimal thickness of each coating can lead to increased specific capacity(~185 m Ah/g at 0.5 C-rate) at a cut-off potential of 4.5 V, and greater cycling stability at very high C rates(up to 10 C) in half-cells with lithium metal. The mechanism of this superior performance was investigated using a combination of X-ray and electron characterization methods. It shows that the results of this investigation can inform future studies to identify still better dual-shell coating schemes, achieved by such industrially feasible techniques, for application on similar, nickel-rich cathode materials.

关键词： Lithium cobalt oxide Surface coating Sol-gel Silicate Alumina X-ray absorption spectroscopy

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