Manual diplomático ó compendio de los derechos y funciones los agentes diplomáticos seguido de una colección de actas y oficios escogidos para servir de modelo a las personas que se dedican a la carrera diplomática

UANL

Computation of direction selectivity in retinal starburst amacrine cell dendrites – studied using electrophysiological recordings and two-photon imaging

Neuronal circuits in the retina analyze images according to qualitative aspects such as color or motion, before the information is transmitted to higher visual areas of the brain. One example, studied for over the last four decades, is the detection of motion direction in ‘direction selective’ neurons. Recently, the starburst amacrine cell, one type of retinal interneuron, has emerged as an essential player in the computation of direction selectivity. In this study the mechanisms underlying the computation of direction selective calcium signals in starburst cell dendrites were investigated using whole-cell electrical recordings and two-photon calcium imaging. Analysis of the somatic electrical responses to visual stimulation and pharmacological agents indicated that the directional signal (i) is not computed presynaptically to starburst cells or by inhibitory network interactions. It is thus computed via a cell-intrinsic mechanism, which (ii) depends upon the differential, i.e. direction selective, activation of voltage-gated channels. Optically measuring dendritic calcium signals as a function of somatic voltage suggests (iii) a difference in resting membrane potential between the starburst cell’s soma and its distal dendrites. In conclusion, it is proposed that the mechanism underlying direction selectivity in starburst cell dendrites relies on intrinsic properties of the cell, particularly on the interaction of spatio-temporally structured synaptic inputs with voltage-gated channels, and their differential activation due to a somato-dendritic difference in membrane potential.

Stationary in-situ measurements of aerosols, gaseous pollutants and meteorology : chemical and physical characterization of natural and anthropogenic sources

Natural and anthropogenic emissions of gaseous and particulate matter affect the chemical composition of the atmosphere, impact visibility, air quality, clouds and climate. Concerning climate, a comprehensive characterization of the emergence, composition and transformation of aerosol particles is relevant as their influence on the radiation budget is still rarely understood. Regarding air quality and therefore human health, the formation of atmospheric aerosol particles is of particular importance as freshly formed, small particles penetrate into the human alveolar region and can deposit. Additionally, due to the long residence times of aerosol particles in the atmosphere it is crucial to examine their chemical and physical characteristics.This cumulative dissertation deals with stationary measurements of particles, trace gases and meteorological parameters during the DOMINO (Diel Oxidant Mechanism In relation to Nitrogen Oxide) campaign at the southwest coast of Spain in November/December 2008 and the ship emission campaign on the banks of the Elbe in Freiburg/Elbe in April 2011. Measurements were performed using the Mobile research Laboratory “MoLa” which is equipped with state-of-the-art aerosol particle and trace gas instruments as well as a meteorological station.

Die Oper im Narrenhaus: Dittersdorfs Selbstreflexion auf musiktheatralische Gattungen

Karl Ditters von Dittersdorf Singspiel "Die Liebe im Narrenhaus" thematisiert die Unterschiede und die Spannung zwischen der Oper und dem Singspiel und rekurriert dabei auf eine Reihe von Vorbildern wie etwa der Verrücktheit des Don Quixote oder der Opernkritik Charles de Saint Evremond. Dadurch baut er eine Metaebene auf, die eine Verhandlung der Spannung zwischen diesen beiden Gattungen ermöglicht.

Ueber die Aufhebung des Judenleibzolls : nebst einer skizzirten Geschichte d. Juden, ihrer Schicksale und staatsrechtlichen Verhältnisse, besonders in Teutschland, u. einer moralischen, rechtlichen u. politischen Beurteilung d. Abgabe d. Leibzolls insbesondere, mit Urkunden

von Franz Joseph K. Scheppler

Etwas über die bürgerliche Verfassung und Verbesserung der Juden

gesammlet von Carl Georg v. Zangen

Antisemitismus : kleine Studien

von Theodor Haase

Über das Verhältnis der Juden zu den christlichen Staaten : zweite Schrift unter diesem Titel

von Karl Streckfuss

Die Emanzipation der Juden

von C. Steinacker

Antisemiten und Gymnasiallehrer : ein Protest

von Karl Fischer

Heinrich v. Treitschke und sein Wort über unser Judenthum : ein Wort zur Verständigung

von Karl Fischer

Biblischer Antisemitismus : der Juden weltgeschichtl. Charakter, Schuld u. Ende in d. Propheten Jona Judenspiegel

von Karl Gerecke

Jüdischer Antisemitismus u. Arbeiterschaft : Weshalb ist die Gründung des Verbandes nationaldeutscher Juden würdelos, zwecklos u. vor allen Dingen gefährlich?

von Carl Eisfeld

Kritische Proteste eines germanischen Christen gegen die neueste Bleichröder- und Judenhetze

von Kaberlin [d.i. Karl Küchenmeister]