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Metal-organic frameworks encapsulating gold nanoclusters and carbon dots for ratiometric fluorescent detection of formaldehyde in real food samples, construction materials and indoor environments.
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Hebei Lansheng Bio-Tech Co, Ltd, Shijiazhuang, 052263, P. R. China.
A novel fluorescence sensing nanoplatform (CDs/AuNCs@ZIF-8) encapsulating carbon dots (CDs) and gold nanoclusters (AuNCs) within a zeolitic imidazolate framework-8 (ZIF-8) was developed for ratiometric detection of formaldehyde (FA) in the medium of hydroxylamine hydrochloride (NHOH·HCl). The nanoplatform exhibited pink fluorescence due to the aggregation-induced emission (AIE) effect of AuNCs and the internal filtration effect (IFE) between AuNCs and CDs. Upon reaction between NHOH·HCl and FA, a Schiff base formed via aldehyde-diamine condensation, releasing hydrochloric acid.
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Department of Otorhinolaryngology, Unidade Local de Saúde de Gaia e Espinho, Gaia, Portugal.
Otosclerosis leads to stapes fixation and consequent conductive hearing loss. Surgery is the mainstay of treatment, and it can be achieved through small fenestra stapedotomy or stapedectomy. Despite the first being favored by most, evidence supporting its superiority over the latter remains inconclusive.
View Article and Find Full Text PDFVision Sensor for Automatic Recognition of Human Activities via Hybrid Features and Multi-Class Support Vector Machine.
Sensors (Basel)
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Cognitive Systems Lab, University of Bremen, 28359 Bremen, Germany.
Over recent years, automated Human Activity Recognition (HAR) has been an area of concern for many researchers due to its widespread application in surveillance systems, healthcare environments, and many more. This has led researchers to develop coherent and robust systems that efficiently perform HAR. Although there have been many efficient systems developed to date, still, there are many issues to be addressed.
View Article and Find Full Text PDFOutcomes of Endoscopic versus Microscopic Ossicular Chain Reconstruction-A Systematic Review and Meta-analysis.
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Department of Otolaryngology - Head & Neck Surgery, National University Hospital, Singapore, Singapore.
Objective: The efficacy of the transcanal endoscopic approach in tympanoplasty, cholesteatoma removal, and stapedotomy is detailed. This study reviews evidence on the feasibility of endoscopic ossiculoplasty as a suitable alternative to traditional microscopic ossiculoplasty.
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Effect analysis of unilateral deaf adults wearing bone-conduction hearing aids: A case report.
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Department of Otolaryngology Head and Neck Surgery, Chinese PLA General Hospital, Beijing, China.
The prevalence of unilateral deafness (SSD) or asymmetric hearing loss (AHL) among patients with hearing impairments ranges from 7.2% to 15.0%, indicating a relatively significant proportion.
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