Abstract: The invention concerns a scintillation detector with which high count rates and/or high resolutions are possible. The scintillator of the claimed scintillation detector is formed from pixels (2), which are separated from each other by interstices (4). Alternatively or additionally, the surface of the scintillator is divided by grooves into pixels (2). Such a structure enables not only a particularly high resolution. When multiple detector modules are used, it also allows high count rates in the range of roughly 20 MHz.

Abstract: A method for in situ determination of surface characteristics of conductive targets includes generating a low-pressure plasma in front of a surface of a target, applying a voltage to the surface of the target, orientating at least one light-sensitive detector at an angle ? relative to a perpendicular to the surface of the target, and measuring an intensity of light emitted by electrically neutral atoms generated by conversion from ions which are accelerated out of the low-pressure plasma by the applied voltage toward the surface of the target and subsequently reflected thereon, and which thus exchange suitable charges with the surface to reach electrical neutrality. The method additionally includes determining a value curve comprising wavelengths and an intensity associated with each wavelength, of the light which, as a result of Doppler shifts, has a red-shifted wavelength range and a blue-shifted range.

Abstract: The invention relates to a multilayer metallic or ceramic membrane device, comprising a macroporous carrier layer including pores having a pore diameter of more than 50 nm, and at least one mesoporous intermediate layer disposed thereon, including pores having a pore diameter of 2 nm to 50 nm. The membrane device according to the invention furthermore comprises at least one microporous cover layer disposed on the mesoporous intermediate layer, including pores having an average pore diameter of 0.3 nm to 1.5 nm, comprising graphite oxide or few-layer graphene oxide or graphite or few-layer graphene. In an advantageous embodiment, the cover layer comprises between 5 and 1000 layers of graphene oxide. In an advantageous embodiment, the cover layer can comprise between 5 and 1000 layers of partially reduced graphene oxide or graphene as a result of the at least partial reduction of the graphene oxide.

Abstract: A peptide comprising at least one peptide binding to an amyloid beta species, wherein the peptide includes an amino acid sequence that is present in cyclized form. The use of the peptides in medicine, in particular for treating Alzheimer's disease, is disclosed.

Abstract: A device is provided for stimulating neurons that includes an implantable stimulation unit that generates stimuli in multiple stimulation elements. The stimulation unit generates the stimuli to stimulate a neuron population in the brain and/or spinal cord of a patient using the stimulation elements. Moreover, the device includes a control unit that controls the stimulation unit to repeatedly generates sequences of the stimuli with the order of the stimulation elements in which stimuli are generated within a sequence being constant for 20 or more successively generated sequences before it is varied.

Abstract: The invention relates to a metallic bipolar plate for use in an electrochemical cell, wherein the bipolar plate comprises an electrically conductive graphene-like coating. The graphene-like coating has a layer thickness between 10 nm and 1 ?m. Chemical synthesis is initially carried out to produce the graphene-like coating according to the invention comprising one or more at least partially reduced graphene oxide layers. Proceeding from graphite powder, a graphite oxide powder is initially produced, which is subsequently converted into a stable graphene oxide (GO) suspension by way of ultrasonic dispersion. By depositing this suspension on a metallic carrier substrate (bipolar plate), thin graphene oxide layers can then be applied and subsequently be reduced to obtain at least partially reduced graphene oxide (rGO), which is referred to as graphene-like. This coating advantageously has sufficient stability and the necessary electrical conductivity for use in an electrochemical cell.

Abstract: A method for producing a ceramic cathode layer on an electrically conductive substrate includes applying a coating to the electrically conductive substrate, the coating being in a form of a suspension including at least one suspending agent and at least one ceramic material. The method further includes heating the coating in a reducing atmosphere such that the ceramic material is completely or in part reduced to a fusible reaction product, heating the coating in a reducing atmosphere to temperatures above the melting point of the reaction product so as to form a melt, densifying or sintering the coating in a reducing atmosphere at temperatures that are 100° C. greater than a melting temperature of the reaction product, and reoxidizing the densified or sintered coating in an oxidizing atmosphere in a temperature range of between 400° C. and 1,200° C.

Abstract: A device is provided for stimulating neurons that includes a non-invasive stimulation unit that generates stimuli in multiple stimulation channels. The stimulation unit generates the stimuli to stimulate a neuron population in the brain and/or spinal cord of a patient using the stimulation channels in different locations. Moreover, the device includes a control unit that controls the stimulation unit to repeatedly generates sequences of the stimuli with the order of the stimulation channels in which stimuli are generated within a sequence being constant for 20 or more successively generated sequences before it is varied.

Abstract: A device for stimulation of a patient with acoustic stimulation signals includes a stimulation unit for generating acoustic stimulation signals and a control unit for controlling the stimulation unit. The control unit is configured so that it determines a bandwidth of an auditory filter with a frequency of a predetermined tone as a center frequency, wherein this bandwidth is a reference bandwidth. The control unit determines a frequency of a first acoustic therapy signal such that a measure of coverage between the reference bandwidth around the frequency of the predetermined tone and a first bandwidth of an auditory filter with the frequency of the first acoustic therapy signal as a center frequency assumes a predetermined first value, and controls the stimulation unit such that the stimulation unit generates the first acoustic therapy signal.

Abstract: The invention relates to a voltage amplifier (100, 300) that places defined ranges (12, 14) of an input voltage signal (10) in different relations in terms of the input voltage signal (10) at one or more operating points of an amplifier circuit (130). An appropriate division of the ranges (12, 14) of the input voltage signal (10) makes it possible to linearly amplify the appertaining ranges (12, 14). Such linearly amplified output signals (191, 192, 193, 194) can then be converted into digital signals (531), for example, by means of several analog-to-digital converters (510).

Abstract: An apparatus for stimulating neurons that includes a stimulation unit for applying pulse-like tones, a measuring unit for picking up measurement signals that render neural activity by the stimulated neurons, a control unit. The control unit applies a first pulse train having varied pitch, takes the measurement signals picked up in response to the first pulse train to select a first pitch range or pitch in which there is phase synchronization between the pulse train and the neural activity, actuates the stimulation unit to apply two phase-shifted second pulse trains, the pitch of the pulse trains being varied in opposite directions and a pitch starting value of the second pulse trains based on the first pitch range or pitch that is used to select a second pitch range or pitch resulting in minimum amplitude of the neural activity.

Abstract: A cathode-electrolyte-anode unit for an electrochemical functional device, in particular a high-temperature fuel cell. The unit has a multi-layer solid-state electrolyte arranged between a porous anode and a porous cathode. The solid-state electrolyte is produced by a vapor deposition process and has a sandwich-type structure consisting of at least one first layer with a lower oxygen content, and at least one second layer with a higher oxygen content. The individual layers have substantially the same composition, with the exception of oxygen.

Abstract: The invention relates to a filter circuit (200) comprising at least a first filter line (210). The first filter line (210) has a first input circuit (10), a first integration circuit (20) and a first output circuit (30). The first input circuit (10) is configured in such a way that, as a function of the value of the input signal, it converts an input signal into at least two distinguishable, first first-stage output signals and relays the first-stage output signals to the first integration circuit (20, 240) during a prescribed period of time. The first integration circuit (20) is configured to integrate the first first-stage output signals of the first input circuit (10) over the prescribed period of time and to generate a first integration signal (25). The first output circuit (25) is configured to compare the first integration signal (25) to a first output reference value and to generate a first second-stage output signal (35). The invention also relates to an appertaining filtering method.

Abstract: A method for preparing a lithium titanium phosphate, wherein a sol-gel process is used to prepare the phosphate, includes producing a sol from source materials; converting the sol to a gel; and drying the gel to obtain a corresponding powder comprising the lithium titanium phosphate. In a substep, the method further includes adding titanium(IV) isopropoxide to water to produce precipitates of titanium hydroxide oxide, cooling a system down to a temperature of less than 10° C., and redissolving the precipitates by adding nitric acid to form an aqueous TiO2+ nitrate solution. The lithium titanium phosphate has a general composition Li1+x+yMxTi2?x(PO4)3?y(SiO4)y, wherein M=Al, Ga, In, Sc, V, Cr, Mn, Co, Fe, Y, La—Lu, wherein 0?x?0.5, and wherein 0?y?0.5.

Abstract: A component coupling system for controllable heat transfer from or to a component which is heated by an external and/or internal heat source and is disposed adjacent to a cooler. The component coupling system includes a carrier plate, on which least one first means for spacing is disposed such that a component disposed on the means for spacing and the carrier plate, together with the means for spacing, form a first cavity. If needed, this cavity can be evacuated, filled with a fluid medium, or have a fluid medium flow through it, whereby the heat transfer or the heat dissipation from the component can be controlled in a simple manner.

Abstract: Peptides specifically binding amyloid beta and to methods of treating and diagnosing Alzheimer's dementia using such peptides are provided.

Abstract: A device and method is provided for stimulation of neurons. The device includes a stimulation unit that can be implanted into a body of a patient and has stimulation elements that apply a stimulation signal to tissue of the patient to stimulate neurons in the brain and/or the spinal cord of the patient. Moreover, a measuring unit receive a measurement signal that reflects a neuronal activity of the stimulated neurons. Further, a control unit generate a modulation signal from the measurement signal, and modulates an amplitude of a pulse train with the modulation signal. Individual pulses of the pulse train include a first and second pulse portions that introduce and remove charge from the tissue. Moreover, the control unit varies a pause between the pulse portions until the synchronization of the stimulated neurons is minimized or falls below a predetermined threshold.

Abstract: A rechargeable energy storage device according to the invention is based on a metal-air battery, in which a gas electrode is used and an ion-conducting or proton-conducting membrane is used as the electrolyte. In contrast to the known metal-air batteries, the active component on the side of the electrolyte membrane opposite the gas electrode is present in the form of a liquid medium in the energy storage device according to the invention. The liquid-medium/gas battery according to the invention comprises a receptacle, which includes a medium in liquid form as the active material at the operating temperature of the battery.

Abstract: A housing for a medical implant that includes a housing wall made of an electrically insulating material with an inner face and an outer face and an electrical transmission through the housing wall. The electrical transmission includes an electrically conductive first terminal contact surface disposed on the inner face of the housing wall, an electrically conductive second terminal contact surface disposed on the outer face of the housing wall, a capacitor integrated into the housing wall and that includes a first capacitor electrode and a second capacitor electrode, a first connection line that electrically connects the first terminal contact surface to the first capacitor electrode, and a second connection line that electrically connects the second terminal contact surface to the second capacitor electrode. No continuously electrically conductive connection exists between the first terminal contact surface and the second terminal contact surface.

Abstract: The invention concerns a maser having an electromagnetic resonant circuit comprising a pick-up coil, a capacitance and a filter coil, an active medium of organic or maser-capable molecules in the pick-up coil as well as a population inversion device for generating a population inversion in the active medium.