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The three-dimensional fibrillar arrangement of the basilar membrane in the mouse cochlea (1995)

Mikuni, H. ; Fukuda, S. ; Küçük, B. ; [et al.]

Springer

European archives of oto-rhino-laryngology and head & neck 252 (1995), S. 495-498

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ISSN: 1434-4726

Keywords: Cochlea ; Scanning electron microscopy ; Basilar membrane ; Mouse ; Sodium hydroxide tissue maceration

Source: Springer Online Journal Archives 1860-2000

Topics: Medicine

Notes: Abstract The three-dimensional fibrillar arrangement of the basilar membrane in the mouse cochlea was studied using scanning electron microscopy. Fibrils of the basilar membrane were exposed by removing cellular elements of the cochlea using a sodium hydroxide maceration technique. The arrangement of fibrils in the basilar membrane was different between the pars arcuata and pars pectinata. In the pars arcuata, fibrils were arranged in radial and spiral direction, showing a woven pattern. In the pars pectinata, most of the fibrils ran in the radial direction. These findings suggest that the vibration pattern of the pars arcuata and pars pectinata is different when the basilar membrane vibrates.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF02114759

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Studies on morphine alkaloids - IX.For Part VIII, see Ref. 1. The mass spectra of indolinocodeine and its derivatives (1972)

Abe, K. ; Onda, M. ; Okuda, S.

Chichester : Wiley-Blackwell

Biological Mass Spectrometry 6 (1972), S. 715-722

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ISSN: 0030-493X

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: The mass spectra of indolinocodeine and its derivatives have been determined. Some of the fragmentation pathways are discussed on the basis of high-resolution mass spectrometry and deuterium labelling. Although basic fragmentation patterns for this series of compounds are similar to each other, the substituents in B- and/or C-ring were found to determine the course of the fragmentation.

Additional Material: 8 Ill.