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Adaptive Hydrogels With Spatiotemporal Stiffening Using pH‐Modulating Enzymes
Advanced Functional Materials, EarlyView.The chemomechanical coupling in an adaptive hydrogel is studied to further the development of adaptive hydrogels. This coupling is achieved by embedding a pH‐modulating enzyme in a pH‐responsive hydrogel. The enzymatic reaction can be triggered locally, which generates a pH‐decreasing wave throughout the system, increasing the crosslinking density and ...
Natascha Gray +3 more
wiley +1 more source
Advanced Functional Materials, EarlyView.ABSTRACT Electronic waste has emerged as a major environmental challenge, driven by the massive consumption and a limited lifetime of modern electronic devices, stimulating the development of sustainable electronics. Here, an all‐biomaterial gelatin‐choline‐citric acid ([Ch][CA]) ionogel is developed as an active binder to realize self‐sintered ...
Lin Guo +10 more
wiley +1 more source
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The Journal of Laryngology & Otology, 1981
Eight patients suffered sudden sensory neural hearing losses associated with exertion or trauma; all were found at tympanotomy to have round window membrane ruptures with leakage of perilymph. Operative findings, with audiometric, radiological and electrocohleographic results are shown.
R F, Gray, R P, Barton
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Eight patients suffered sudden sensory neural hearing losses associated with exertion or trauma; all were found at tympanotomy to have round window membrane ruptures with leakage of perilymph. Operative findings, with audiometric, radiological and electrocohleographic results are shown.
R F, Gray, R P, Barton
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Isolated Congenital round Window Absence
Annals of Otology, Rhinology & Laryngology, 2002Absence of the round window as a congenital defect is a rare entity that causes a conductive hearing loss. To the best of our knowledge, isolated and nonsyndromal round window absence has only been reported 3 times; the diagnoses were made during surgery.
Christian, Martin +4 more
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Otolaryngology–Head and Neck Surgery, 2009
A72-year-old woman was referred for a tympanic-mastoid cholesteatoma with erosion of the tegmen and right-sided complete deafness. Otoscopic examination showed near-complete atelectasis with a small tubal region perforation, scutum and facial canal erosion, absence of ossicles, and enlargement of the round window niche (Fig 1).
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A72-year-old woman was referred for a tympanic-mastoid cholesteatoma with erosion of the tegmen and right-sided complete deafness. Otoscopic examination showed near-complete atelectasis with a small tubal region perforation, scutum and facial canal erosion, absence of ossicles, and enlargement of the round window niche (Fig 1).
openaire +3 more sources
Immunodefense of the Round Window
The Laryngoscope, 2008AbstractA systematic analysis using serial sectioning of the round window membrane (RWM) in the cynomolgus monkey was performed. Light and transmission electron microscopy (LM and TEM) revealed that the RWM rim may be endowed with gland‐like structures with glyco‐protein material secernated into the window niche.
Cecilia, Engmér +3 more
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Isolated congenital round window absence
The Journal of Laryngology & Otology, 1990An adult with unilateral round window atresia is presented. With care, CT scanning may be used to demonstrate round window occlusion. Cochlear fenestration resulted in only a modest hearing improvement. Previously reported cases are reviewed.
A R, Clifford, P A, Fagan, B D, Doust
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Stapedectomy and round window closure
The Laryngoscope, 1987AbstractRound window closure is an uncommon complication of advanced otosclerosis found in 1% of 30,000 stapedectomy cases. A review of 81 patients representing 110 operation cases was made to determine what factors may alert the otologic surgeon to the patient with round window closure and what factors may identify the patient who will achieve the ...
J J, Shea, J B, Farrior
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Otology & Neurotology, 1988
Tympanotomy is routinely performed in our institution to control the round window membrane for patients with recurrent sudden deafness, with Meniere-like attacks, and those with Meniere's disease. In a large number of these patients, especially those with vertigo, perilymph fistula has been diagnosed. Most patients are free of attacks after the fistula
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Tympanotomy is routinely performed in our institution to control the round window membrane for patients with recurrent sudden deafness, with Meniere-like attacks, and those with Meniere's disease. In a large number of these patients, especially those with vertigo, perilymph fistula has been diagnosed. Most patients are free of attacks after the fistula
openaire +3 more sources