Patent application number | Description | Published |
20090217980 | Organic Photoactive Device - The invention relates to an organic photoactive device, especially an organic photovoltaic cell, with a contact and a countercontact as well as with an organic region that is electrically connected to the contact and the countercontact, wherein a photoactive region with a photoactive bulk heterojunction or a flat heterojunction between an electron-conducting organic material and a hole-conducting organic material is formed in the organic region and wherein the hole-conducting organic material and/or the electron-conducting organic material is formed from oligomers according to any one of the following types: conjugated acceptor-donor-acceptor oligomer (A-D-A′ oligomer) with an acceptor unit (A) and a further acceptor unit (A′) that are each connected to a donor unit (D), and conjugated donor-acceptor-donor oligomer (D-A-D′ oligomer) with a donor unit (D) and a further donor unit (D′) that are each connected to an acceptor unit (A). | 09-03-2009 |
20090235971 | PHOTOACTIVE DEVICE WITH ORGANIC LAYERS - The invention relates to a photoactive device with organic layers, especially a solar cell, with a layer arrangement having an electrode and a counterelectrode as well as a sequence of organic layers arranged between the electrode and the counterelectrode, wherein two layers bordering on one another are formed in a photoactive region encompassed by the sequence of organic layers, namely, an exciton-harvesting layer (EHL) and an exciton-separating layer (ESL); in which the exciton-harvesting layer (EHL) is a mixed layer containing an organic material (A) and at least one further organic material (B), in which (i) a lowest singlet excitation state for excitons (S | 09-24-2009 |
20120152303 | Organic Solar Cell or Photodetector Having Improved Absorption - The invention relates to an organic photoactive component, especially a solar cell or a photodetector, built up from a plurality of layers, wherein at least one of the layers comprises at least one di-indeno[1,2,3-cd:1′,2′,3′-lm]perylene compound of the general formula in Illustration | 06-21-2012 |
Patent application number | Description | Published |
20100144048 | TEST SYSTEM FOR ANALYZING BODY FLUIDS - The invention relates to a test system for analyzing body fluids of the type comprising a test element tape carrying a plurality of test elements, a tape deflector for the test element tape for the selective application of body fluid, and a light source as well as a detector for optically analyzing test elements to which body fluid has been applied. The tape deflector has a rotatable optical element which acts as a deflection roller during transport of the test element tape. The optical element is positioned in the optical path between the light source and the detector. | 06-10-2010 |
20100227348 | METHOD AND DEVICE FOR DETERMINING THE CONCENTRATION OF AN ANALYTE USING FLUORESCENCE MEASUREMENT - A method is presented for determining the concentration of an analyte in a liquid sample using a reagent system. The reaction of the sample with the reagent system results in a change of the quantity of a fluorophore, the quantity of the fluorophore correlating with the concentration of the analyte, a characteristic measurement variable for the quantity of the fluorophore being measured, and the concentration of the analyte being determined using an evaluation algorithm on the basis of the measurement variable. The reagent system is integrated in an analysis system and the fluorescence lifetime of the fluorophore is used in the ascertainment of the concentration of the analyte. | 09-09-2010 |
20110033341 | TEST ELEMENT ANALYSIS SYSTEM - A test element analysis system for the analytical investigation of a liquid sample, comprising a test element including a carrier film having at least one flat side and a test field secured to the flat side and an evaluation instrument including a test element holder for positioning a test element in a measuring position, a measuring device for measuring the optically measurable change in the detection zone, and a housing within the measuring device is positioned. The test element is positioned in the measuring position in such a manner that a first partial section of the test element is located inside the housing and a second partial section is located outside of the housing to be easily accessible. | 02-10-2011 |
20110064618 | FLUORESCENCE SPECTROSCOPY IN ABSORBING MEDIA - The invention relates to processes and devices for detecting an analyte in a sample by fluorescence measurement of a fluorophore, wherein the detection medium which contains a fluorophore or a precursor of the fluorophore is admixed with an absorber whose absorbance spectrum superimposes the fluorescence excitation range of the fluorophore. The system consisting of the fluorophore and the absorber, which is produced in the detection medium, has an altered effective fluorescence excitation range with an altered fluorescence excitation maximum. Illumination with fluorescence excitation light can take place within the range of this altered excitation maximum. The measured signal obtained from determining fluorescence emission exhibits only low dependence on the wavelength of the excitation light. | 03-17-2011 |
20120006105 | SYSTEM AND METHOD FOR ANALYZING A BODY FLUID - The invention concerns a system for analyzing a body fluid comprising a collecting element which receives the body fluid in a reservoir, a test element designed to detect an analyte in the body fluid, a transfer device for making a fluidic connection between the collecting element and the test element, and a detection unit which detects an analyte-specific measurement signal on the test element during a measurement interval. According to the invention it is proposed that the transfer device always brings the test element into contact with the body fluid located in the reservoir during the measurement interval and that the transfer device is configured to physically separate the test element and the collecting element from one another after the measurement interval. | 01-12-2012 |
20130126712 | DEVICE FOR DETECTING AN ANALYTE IN A BODILY FLUID - A device is proposed for detecting at least one analyte in a bodily fluid. The device comprises at least one test element with at least one two-dimensional evaluation region. The device furthermore comprises at least one spatially resolving optical detector having a plurality of pixels. The detector is designed to image at least part of the test element onto an image region. In the process, at least part of the evaluation region is imaged onto an evaluation image region. The detector is matched to the test element such that a predetermined minimum number of pixels is provided for each dimension within the evaluation image region. The pixels are arranged in a two-dimensional matrix arrangement. The matrix arrangement has pixel rows and pixel columns, wherein the pixel rows are arranged substantially parallel to a longitudinal direction of the evaluation region and/or of the evaluation image region. | 05-23-2013 |
Patent application number | Description | Published |
20090116015 | Analysis of Optical Data with the Aid of Histograms - A system for determining the concentration of an analyte in a liquid sample comprising a detection unit for detecting light intensities which are radiated from subareas of a detection area of a test element as well as an evaluation unit which determines a frequency distribution for the detected light intensities wherein the frequency distribution has at least one first maximum caused by unwetted subareas or at least one reference area and a second maximum caused by wetted subareas and selects at least one light intensity on the basis of the frequency distribution and determines the concentration of the analyte from the at least one selected light intensity. | 05-07-2009 |
20090304247 | MEASUREMENT SYSTEM WITH OPTICAL REFERENCING - A system is described for determining the concentration of an analyte in a liquid by absorption measurement comprising a test element with a detection area which contains at least one reaction area with reagents for detecting the analyte which cause a change in the absorption behavior upon reaction with the analyte. The detection area contains at least one reference area in which the absorption behavior is substantially not changed when wetted by a sample having the analyte. Furthermore, the system contains a detection unit for the spatially resolved detection of light intensities which are received from the detection area and an evaluation unit for evaluating signals from the detection unit. Further embodiments of the system comprise reaction areas and reference areas arranged alternately in two dimensions. | 12-10-2009 |
20110125059 | BLOOD GLUCOSE MEASUREMENT FOR SMALL BLOOD VOLUME - A system is proposed for detection of at least one analyte in a body fluid, in particular for detection of blood glucose. The system is designed to generate a sample of the body fluid and to transfer at least some of the sample to at least one test element, in particular a test panel. The system is designed such that a time period between the generation of the sample and the application to the test element is less than 1 second, preferably less than 500 ms. | 05-26-2011 |
20120040386 | FINE-GRAINED FILLER SUBSTANCES FOR PHOTOMETRIC REACTION FILMS - There is proposed a diagnostic test element for detecting an analyte in a sample of a body fluid, more particularly in whole blood. The diagnostic test element comprises at least one test field having at least one detection reagent, wherein the detection reagent is set up to pass through at least one detectable change in the presence of the analyte, more particularly an optical change. The test field has at least one detection layer which comprises the detection reagent and which comprises particles. At least 90% of all particles of the detection layer have an actual particle size of less than 10 micrometers. | 02-16-2012 |
20120043376 | ENCODING METHOD FOR ENCODING MEDICAL ITEMS - A coding for a medical disposable item is proposed comprising at least one information component in encoded form. Associated encoding methods and devices, and associated decoding methods and devices, are also proposed. The coding generally comprises an optical information component comprising one or more fields filled with a gray-scale value up to a certain degree of filling. Each gray-scale value and degree of filling are associated as a value pair determined as part of a code generated to correlate to an information component desired to be applied to and conveyed from a medical disposable item to an associated device that utilizes such items. | 02-23-2012 |
20120045842 | ANALYSIS SYSTEM WITH CODING RECOGNITION - An analysis system for detecting at least one analyte in a sample is proposed, in particular for detecting glucose in a bodily fluid. The analysis system is designed to detect the analyte using at least one test element. The test element has at least one analysis zone for detecting the analyte. The test element furthermore comprises at least one coding with at least one test element specific item of information and/or at least one position specific item of information. The analysis system comprises a detector and furthermore at least one transfer device which is designed to afford the detector the possibility of acquiring the analysis zone in at least a first position and to afford the detector the possibility of acquiring the coding in at least a second position which differs from the first position. | 02-23-2012 |
20120064615 | TEST ELEMENT FOR DETECTING AN ANALYTE IN A SAMPLE - The invention relates to a test element for detecting at least one analyte in a sample, in particular for detecting at least one metabolite in a bodily fluid. The test element comprises at least one test field with a test field surface. The test field comprises at least one detection reagent that is adapted to undergo a detectable reaction in the presence of the analyte. The test element further comprises at least one distribution element that has at least one distribution surface facing the test field surface. Between the distribution surface and the test field surface is at least one capillary gap, wherein the capillary gap is adapted to allow a layer of the sample with a layer thickness of no more than 50 μm to form within the capillary gap. | 03-15-2012 |
20140045203 | TEST ELEMENT FOR DETECTING AN ANALYTE IN A SAMPLE - The invention relates to a test element for detecting at least one analyte in a sample, in particular for detecting at least one metabolite in a bodily fluid. The test element comprises at least one test field with a test field surface. The test field comprises at least one detection reagent that is adapted to undergo a detectable reaction in the presence of the analyte. The test element further comprises at least one distribution element that has at least one distribution surface facing the test field surface. Between the distribution surface and the test field surface is at least one capillary gap, wherein the capillary gap is adapted to allow a layer of the sample with a layer thickness of no more than 50 μm to form within the capillary gap. | 02-13-2014 |
20140242622 | METHODS OF DETECTING TEST ELEMENTS HAVING DEGRADED TEST CHEMICALS AS WELL AS APPARATUSES INCORPORATING THE SAME - An analytical apparatus is disclosed for detecting at least one analyte in a sample, where in an analyte measurement at least an electrical or optical property changeable by presence of the analyte at least one test chemical of a test element is recorded, and where the analytical apparatus also can perform at least one quality measurement on the at least one test chemical such as an intrinsic luminescence, which is recorded and from the intrinsic luminescence a conclusion is drawn on a quality of the test chemical and thus the test element. Methods also are disclosed for detecting at least one analyte in a sample that include a quality measurement of the at least one test chemical of the test strip. | 08-28-2014 |