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  1. Article

    The cardiac chemoreflex sensitivity (cCRS) and the influence of respiration

    BH Schmidt, H Opitz, M Rauchhaus, K Werdan in Critical Care (2000)

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    Article

    Echo planar perfusion imaging with high spatial and temporal resolution: methodology and clinical aspects

    The purpose of the present study was to analyse specific advantages of calculated parameter images and their limitations using an optimized echo-planar imaging (EPI) technique with high spatial and temporal r...

    M. Bitzer, U. Klose, T. Nägele, S. Friese, R. Kuntz, M. Fetter in European Radiology (1999)

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    Article

    Angiogenesis and Brain Oedema in Intracranial Meningiomas: Influence of Vascular Endothelial Growth Factor

    The correlation between angiographic neovascularization, peritumoural brain oedema (PTBOe) and the expression of vascular endothelial growth factor (VEGF) , was analysed in 30 patients with intracranial menin...

    M. Bitzer, H. Opitz, J. Popp, M. Morgalla, A. Gruber, E. Heiss in Acta Neurochirurgica (1998)

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    Article

    Three-dimensional chemical shift-selective MRI of a ruptured intracranial dermoid cyst

    We report a man with a ruptured intracranial dermoid cyst, suffering from headache, nausea, vomiting and a generalised seizure. MRI was performed before and 2 weeks after surgical resection. On T1-weighted ima...

    T. Nägele, U. Klose, W. Grodd, H. Opitz, F. Schick, A. Steinbrecher in Neuroradiology (1996)

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    Article

    The “dural tail” adjacent to meningiomas studied by dynamic contrast-enhanced MRI: a comparison with histopathology

    We examined 32 patients with intracranial tumors (17 meningiomas, 8 neuromas, 7 pituitary adenomas) by conventional and dynamic contrast-enhanced MRI. Our aim was to clarify whether the pathological dural cont...

    T. Nägele, D. Petersen, U. Klose, W. Grodd, H. Opitz, K. Voigt in Neuroradiology (1994)

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    Article

    Altered expression of collagen type VI in brain vessels of patients with chronic hypertension

    The vascular extracellular matrix (ECM) plays an important role in the histopathology of cerebral microcirculation, but its characterization is still incomplete. For that reason we investigated paraffin-embedd...

    W. Roggendorf, H. Opitz, D. Schuppan in Acta Neuropathologica (1988)

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    Article

    Interactions of adaptation and masking in the guinea pig cochlea

    Fast cochlear adaptation and masking phenomena, expressed as percent inhibition of the summed action potential, are studied from the guinea pig cochlea responses to click trains and tone bursts given previousl...

    R. Nowak, H. Opitz in Archives of oto-rhino-laryngology (1982)

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    Article

    Cochlear responses to dynamic click patterns in the guinea pig

    Fast cochlear adaptation, expressed as percent inhibition of the summed action potential, is studied from the guinea pig cochlea responses to click trains, ramps, and steps in both directions. The transition t...

    R. Nowak, H. Opitz in Archives of oto-rhino-laryngology (1981)

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    Chapter and Conference Paper

    Pharmakokinetische Untersuchungen über Penetration, Verteilung und Metabolisierung von D-threo-Chloramphenikol im Kaninchenauge

    Unter Einsatz von Neuseelandkaninchen wurde die Penetration, Verteilung und Metabolisierung von D-threo-Chloramphenikol (CHL) im Auge studiert. Je Auge wurden 500 pg (5 μCi) einer homogenen Mischung von inakti...

    H. Opitz, K.-O. Mosebach, U. Lippert, M. U. Dardenne, K. Koglin in Uveitis (1981)

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    Chapter and Conference Paper

    Pharmakokinetische Untersuchungen über Penetration und Verteilung von 3H-Pilocarpin im Kaninchenauge

    Wie in anderen klinischen Disziplinen gewinnen auch in der Ophthalmologie die biochemische Pharmakologie und Pharmakokinetik zunehmend an Bedeutung. Kenntnis des Schicksals eines Pharmakons im Auge erlaubt sin...

    P. Lenga, H. Opitz, U. Lippert in Ionisierende Strahlen in der Augenheilkunde (1979)

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    Chapter and Conference Paper

    Die Beurteilung der exokrinen Pankreasfunktion mit Fluorescein-Dilaurat

    Mit dem 1968 von Meyer-Bertenrath und Kaffarnik synthetisierten Fluorescein-Dilaurat [10, 11, 14, 15], das sich als optimales Substrat zur Erfassung pankreasspezifischer Arylesterasen erwiesen hat [8, 12], wur...

    D. von Gregory, H. Opitz in 84. Kongreß (1978)

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    Article

    Determination of factors relating to materials calculation in the limit state method for its application to plastic material-structures

    A realistic calculation and dimensioning of plastic material structures has to consider the variations of the actions upon the structure as well as the behaviour variations of the plastic materials used. The c...

    A. Hütter, H. Opitz in Matériaux et constructions (1974)

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    Chapter

    Application of Aperiodic Test Signals to the Measurement of the Dynamic Compliance of Machine Tools

    Apart from the well-known test procedures using harmonic and random exciting force signals a further possibility is given by applying normalised aperiodic test signals. The importance of this new test procedur...

    H. Opitz, M. Weck in Proceedings of the Thirteenth Internationa… (1973)

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    Chapter

    A Finite Element Program System and Its Application for Machine Tool Structural Analysis

    A brief introduction to the finite element method is given, and a program system is described which permits structures to be analysed with respect to their static characteristics. The first part of the system ...

    H. Opitz, R. Noppen in Proceedings of the Thirteenth Internationa… (1973)

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    Article

    Gefügedarstellung von Sphärolithen unter Anwendung der Ionenätzung

    Es wird an einigen Beispielen gezeigt, daß Gefügeeinzelheiten in Hochpolymeren durch Anwendung der Ionenätzung in ein Oberflächenrelief überführt werden können. Die Methode ist daher gleichermaßen geeignet für...

    H. Kimmel, H. Opitz in Kolloid-Zeitschrift und Zeitschrift für Polymere (1972)

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    Chapter

    Opening Address

    Production engineering in industry will soon have to undergo some considerable changes because in the long run it will be impossible to adapt by conventional means existing production plant and equipment to fu...

    Professor Dr-Ing, Dres Hc, H. Opitz in Proceedings of the Twelfth International M… (1972)

  17. Book Series

    Handbuch der Kinderheilkunde

    Volume 1 / 1942 to Volume 10 / 1935

    H. Opitz, F. Schmid

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    Book

    Geschichte der Kinderheilkunde Physiologie und Pathologie der Entwicklung

    Wachstum · Endokrinologie · Humangenetik Pränatale Pathologie

    J. R. Bierich, R. Gruttner in Handbuch der Kinderheilkunde (1971)

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    Book

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    Book

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