Bernhard Eppinger

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Factors influencing in-source collision-induced dissociation (ESI/CID) of organic molecules in a Perkin-Elmer/SCIEX ionspray source have been investigated. Breakdown curves of four drugs and organic compounds were acquired by monitoring the intensities of MH+ and specific fragment ions while ramping the orifice voltage. Haloperidol, diazepam,(More)
The effects of storing 2-hydroxyethyl methacrylate (HEMA) solutions for embedding tissues for light microscopy were studied using three commercially available HEMA embedding kits: Technovit 7100, Technovit 8100, and JB-4. These HEMA solutions were examined at various times of storage over a period of one year using a panel of physicochemical techniques(More)
Clinical examination of severe brain injuries often suggests involvement of the brain stem and pontine structures not only via functional but also via structural lesions. Computer tomographic evidence of infratentorial trauma, however appears comparably rarely. 32 of 436 brain injured patients examined by CT showed traumatic infratentorial lesions. We(More)
In order to determine the clinical significance and hemodynamic relevance of carotid siphon calcification 241 patients were investigated by doppler sonography and skull x-ray. Comparing 139 patients with and 60 patients without siphon calcification, we examined the predictive value of carotid calcification regarding obstructive vessel disease as indicated(More)
Methods for preparing standardized glycol methacrylate (GMA) based embedding media for use in light microscopy in a rational, precise and reproducible manner are described . The application of these procedures resulted in a versatile, low toxicity GMA embedding medium. GMA embedding medium and resin blocks were tested utilizing a variety of physico-chemical(More)
19 patients with severe stenoses or occlusions of the internal carotid artery showed spontaneous recanalization at follow-up. The cause of the stenotic process was spontaneous or traumatic dissection, fibromuscular dysplasia, ergotism or arteriosclerotic disease. Total recanalization occurred in carotid artery dissections coinciding with the best clinical(More)
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