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Study of Band Gap of Carbon Nanotube-Titanium Dioxide Heterostructures

Journal of Chemistry and Chemical Engineering 2014年第1期8卷 36-41页

作者： Marianna Barberio Pasauale Barone Alessandra Imbrogno Silvestro Antonio Ruffolo mauro la russa Natale Arcuri Fang Xu Physics Department University of Calabria Rende 87036 Italy Biology Ecology and Earth Science Department University of Calabria Rende 87036 Italy Department of Mechanical Energetical and Management Engineering University of Calabria Rende 87036 Italy

The authors present a photoluminescence and UV （ultraviolet）-optical absorbance study on single walled carbon nanotubes CNTs （carbon nanotubes） and TiO2 mixtures. The authors observed variation of△ф = 0.6 eV in optical gap for micrometric anatase and 0.1 eV for nanometric rutile or anatase at a concentration of CNTs of about 1.5 weight %. The large difference in △ф is attributed to differences in dimensions of dioxide grains and in morphology of CNTs/Ti02 composites. Photoluminescence emission is drastically reduced and absorption in the UV range is increased at low CNT concentration for both anatase and rutile phases.

关键词： Optical bands titanium dioxide C-doping carbon nanotube.

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Multidisciplinary approach to suspected sudden unexpected infant death caused by milk-aspiration:A case report

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World Journal of Clinical Cases 2020年第18期8卷 4128-4134页

作者： Aniello Maiese Raffaele la russa mauro Arcangeli Gianpietro Volonnino Alessandra De Matteis Paola Frati Vittorio Fineschi Department of Surgical Pathology MedicalMolecular and Critical AreaInstitute of Legal MedicineUniversity of PisaPisa 56126Italy Department of Anatomy HistologyForensic Medicine and OrthopedicsSapienza University of RomaRoma 00185Italy Department of Life Health and Environmental SciencesUniversity of L'AquilaL'Aquila 67100Italy Department SAIMlaL Sapienza University of RomaRoma 00185Italy

BACKGROUND The term sudden unexpected infant death(SUID)is not always properly *** refers to a broad range of conditions that sometimes defy *** is not only a strong emotional impact on the family,but such cases are also quite *** causes may be multiple,not always readily apparent,and have potential repercussions,especially in terms of *** SUMMARY A 5-month-old male baby was pronounced dead following acute lung failure and cardiopulmonary *** parents had immediately rushed their child to the hospital,stating the baby was found prone and not ***-body postmortem computed tomography(PMCT)was performed,revealing a hypodense material of indeterminate nature within the main airways and areas of ground-glass parenchymal *** autopsy,the respiratory tract mucosa appeared edematous and was coated with a whitish stringy *** was widespread airspace reduction due to parenchymal *** sacs and bronchial openings contained abundant amorphous material admixed with white blood *** studies were performed,targeting CD15,CD68,and ***,the focus was on alpha-lactalbumin(milk protein),which showed marked immunopositivity within alveolar *** staining of macrophages was also particularly *** Postmortem investigations are thus essential to identify causes of death and surrounding *** is a useful tool in this setting,given the frequent dearth of autopsy findings and ambiguity as to cause of death in SUID *** findings,later confirmed by immunohistochemical investigations,were indicative of active pneumonia due to aspirated *** present account illustrates the importance a broad diagnostic approach to SUID in cases of forensic *** is a very valuable aid in cases of forensic interest,as it can provide useful information in all those situations in which the cause of death is uncertain or

关键词： Sudden unexpected infant death Aspiration pneumonia Postmortem computed tomography Case report Diagnosis Immunohistochemistry

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