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DE19753847A1 Analytical test element with capillary  
The invention relates to an analytic test element for determining an analyte in a liquid. The element comprises an inert carrier, a detection element and a canal which permits capillary liquid...
DE19805818A1 A process for the parallel determination of cell vitality and efficiency following gene transfer into eukaryotic cells and dual test system  
A process and dual test system are disclosed for determining cell vitality and efficiency in parallel by using a reporter gene after a gene transfer into eukaryotic cells in the same culture...
DE19747632A1 Selective labelling of proteins containing cysteine or seleno-cysteine residues  
Selective labelling of proteins (I) that contain selenocysteine (SeCys) and/or Cys residues, optionally in oxidised form, comprises; (i) at least one incubation of a (I)-containing sample with at...
DE19745807A1 Apparatus to measure viscoelasticity of cells  
The apparatus to measure the elastic and viscous characteristics of materials has the shoe (2) of the magnet (1) in a shape so that the magnetic force directed at the probe (7) is identical with a...
DE19745001A1 Affinity-labelling of oligomers or polymers  
Affinity-labelling for detecting recombinantly produced oligomers or polymers with a ligand so that affinity-complexes are formed is new.
DE19747572C1 Apparatus for fluorescence immunoassay  
Apparatus comprises an optical guide (1) which is accommodated in a measurement chamber (9) within a piston (6). The cylinder (7) interior which contains the piston connects to the measuring...
DE19742227A1 A method of sequencing a single DNA molecule  
An extended fibre point (1) is coated with photobiotin and irradiated with U.V. light, causing the photobiotin to bind with the fibre point. The fibre point is then brought into contact with...
DE19739120A1 Determination of the antioxidant capacity of sample  
The antioxidant capacity of samples is determined by measuring the optical variation of the samples which are heated in the presence of a system which forms temperature dependent free radicals and...
DE19739119A1 Microtitration plate for wide application  
The microtitration plate (1) is opaque, non-fluorescing and resistant to organic solvents. It is thermoformed from e.g. polypropylene. Its frustrated conical sample recesses (2) accept solid and...
DE19738816A1 A method for marking solid, liquid or gaseous substances  
The invention relates to a method for marking solid, liquid or gaseous substances, whereby the substance to be marked is provided with at least one synthetically produced nucleic acid sequence....
DE19736641A1 Multicomponent analysis of fluids  
Method for multicomponent analysis of fluids is characterised in that: it allows the analysis of an analyte or the parallel analyses of several analytes; multichannel detection is achieved by...
DE19727879A1 Method for determining the number of components in peaks, bands and signals of chromatograms, electrograms and spectrograms of all kinds  
A process is disclosed for determining the number of components in peaks, bands and signals of chromatograms, electrograms and spectrograms of all types obtained for purposes of analysis and...
DE19731741A1 Conjugate for distinguishing diseased and healthy tissue  
The invention relates to conjugates, comprising a fluorescent compound and a carrier, wherein the compound and the carrier are connected via an acidic ester or an acidic amide bond and the...
DE19830596A1 Wave field microscope for e.g. DNA sequencing  
The wave field microscope has an illumination or excitation system, with a lens at the light source with a further lens or reflector. The illumination or excitation system has at least one real or...
DE19722815A1 Device for determination of analytes comprising two elements  
Device for the quantitative and/or qualitative determination of analytes in a test solution, comprises a first element (4) with a recess (6) and a depression (7), where the depression (7) can...
DE19721698A1 One-layered biosensor useful, e.g., as a temperature or pH sensor  
Biosensor for conversion of a biochemical signal to an electronic signal comprises a one-layered biosensor. Prior to further amplification and filtering, the electronic signal is obtained directly...
DE19721151A1 Strip test for in vitro allergy diagnostics  
The invention relates to a strip test for diagnosing allergies in-vitro, and a method for detecting specific IgE in whole blood or in sera. The invention also relates to the use of said strip test...
DE19811196A1 Use of anti-creatinine antibodies or other creatinine-binding substances  
Use of anti-creatinine antibodies or other creatinine-binding substances for the determination of creatinine in physiological fluids is new. Also claimed are: (i) use of anti-creatinine antibodies...
DE19718826A1 Use of biologically active substances for influencing the extracellular space of sensory cells, and methods of drug administration Control  
The invention relates to the use of an active substance influencing the calcium homeostasis of cells to treat degeneration of sensory cells and adjacent cells.
DE19718016A1 A method for optical detection of analyte molecules in a natural biological medium  
In order to carry out optical detection and identification of individual tumor markers in undiluted blood plasma, said tumor markers are marked with fluorescent dyes which are characterized by...
DE19717904A1 Acid labile and enzymatically cleavable dye constructs for diagnosis with near-infrared light and for therapy  
The invention relates to acid-labile and enzymatically divisible compounds for in-vivo and in-vitro diagnosis by means of near infrared radiation (NIR-radiation), the use of said compounds as...
DE19712199A1 Sodium chloride determination in urine  
Use of a test strip for semiquantitative determination of sodium chloride secretion in urine is claimed, where the test strip is based on the colour change associated with the conversion of silver...
DE19651935A1 Optical sensor based on evanescent coupling of fluorescent light  
Optical sensor based on the evanescent coupling of fluorescent light in a waveguide comprises: (1) an optical waveguide on which receptor molecules are immobilised; (2) one or more excitation...
DE19649971A1 Optical diagnostic agents for the diagnosis of neurodegenerative diseases by means of near-infrared radiation (NIR radiation)  
The invention relates to compounds of formula (I): Fm(-A1) (-Bn) (-WO) wherein F is a colorant-signal molecule with a maximum absorption value ranging from 600 - 1200 nm; A is a beta -amyloid...
DE19647545A1 Use to determine the caries risk and to particularly suitable test device  
In order to apply a sterile absorbent material with a solid, predetermined uptake quality and a sterile transport medium so that the risk of tooth decay can be determined in a test person with the...
DE19639450A1 A method for the diagnostic detection of apoptosis in cells  
The invention relates to a method for apoptosis diagnosis in cells wherein the cells are loaded with a substrate for ICE/Ced3 family proteases and the protease reaction of the substrate is...
DE19742949A1 Detecting target substance, e.g. nucleic acid, hormone, enzyme etc.  
Detecting target substance comprises: (1) attaching to the target substance a binding label with a linker and a hapten having a bound marker, where the marker is an anti-hapten-antibody and is...
DE19639228A1 Portable blood sugar measuring instrument in body fluids  
The instrument performs optical analysis of a test slide (32) and consists of a two-section housing (10,12) with a slide compartment (30). The first housing section (10) contains the measuring...
DE19636042A1 Non-destructive optical determination method for depth extension of local fluorescent distribution  
The optical method is carried out in light scattering media, by determining fluorescent light transmitted in any spatial angle of the half space lying above the sample. The material distributed in...
DE19634873A1 System to distinguish fluorescent molecule groups by time-resolved fluorescence measurement  
A system and process are disclosed for distinguishing at least two types of molecule groups having a different degree of fluorescence and bound to an analyte molecule by time resolved fluorescence...
DE19631020A1 Quantitative determination of protein  
Method for quantitative determination of protein comprises: (a) depositing the protein on a cellulose acetate carrier; (b) staining the protein with amido black; (c) removing excess stain; (d)...
DE19630160A1 Optical system evaluating quality of fluid distribution onto test piece, e.g. medical test strip  
An analysis system evaluates test pieces (T), determining whether a sufficient quantity of test fluid has been supplied evenly to the delivery zone (A). It comprises a pair of light sources (L1,...
DE19623747A1 Diagnostic test strips for detecting analytes in urine  
Test strips for determination of analytes in urine have volume-defined detection fields, containing a colour indicator and a buffer, and a colour evaluation panel. A pH detection field and a...
DE19622090A1 A process for the removal of hemoglobin interference in the analysis of medical samples  
The present invention relates to a process for determining an analyte in a sample containing free haemoglobin by optical bichromatic measurement for a main and a secondary measuring wave length. A...
DE19622089A1 A method for analyzing hemoglobin containing medical samples  
The invention relates to a process for determining an analyte in a sample containing free haemoglobin. Determination is performed by optical measurement and the value measured for the analyte...
DE19629555C1 Lock-in amplifier with selectable phase selectivity for very small and distorted signals  
The amplifier has a multiplier for mixing a measurement signal with a reference signal and a devices for non-linear transformation of the measurement signal and reference signal to vary the phase...
DE19609315A1 Nasal applicator  
A nasal applicator, for allergy tests, has a substrate (2) coated with at least one allergen material, fitted to a carrier (1) matching the anatomy of the interior of the nose. The substrate (2)...
DE19608129A1 Self-adhesive indicator  
The invention concerns a self-adhesive indicator with a film-like substrate, a layer of adhesive on the substrate and at least one indicator substance, the at least one indicator substance being...
DE19602673A1 Synthetic test stain  
The invention concerns a synthetic test soil for testing the efficiency of mechanical cleaning processes. The test soil contains fibrin and/or a fibrin prestage. The test soil coagulates, and can...
DE19602295A1 Conjugate for distinguishing diseased and healthy tissue  
The invention relates to conjugates comprising a fluorescing compound, a linker and a protein. The invention also relates to the production of such conjugates and their use.
DE19602764C1 Determination of bromelain content of blood plasma  
Determination of the bromelain content of blood plasma comprises: (a) adjusting the pH to 6.3; (b) incubating with a thiol-engaging column material; (c) separating chromatographically, and (d)...
DE19630381A1 Non-invasive detection of blood and fluid flows in biological tissue  
An apparatus for non-invasive detection of the flow of blood or intra- or extra-corporeal fluid in human, animal or biological tissues, uses a coherent monochrome light source (14), and especially...
DE19623814A1 Determn. of 5-hydroxy-indole, catecholamine and their analogues  
Determination of 5-hydroxyindole (II), catecholamine (III) and their analogues comprises use of a chemiluminescent labelling agent of formula NH2-CHR-Q (I). Q = a gp. of formula (i); R = H or...
DE19521290A1 Test strip for urine analysis  
Test strip for urine analytes has vol.-defined detection fields impregnated or coated with a dye coupler or indicator and a buffer, and an interpretation colour chart, characterised in that a pH...
DE19507685A1 Methods and means for the determination of iodide  
The invention concerns a method and equipment for the determination of iodide in aqueous solutions, particularly urine. The method is characterized in that the sample solution is made to react...
DE19507950A1 Indicator prepn. for identification of various cpds.  
Indicator compsns. used to identify various cpds. are produced by dyeing protein substrates with dyes that attach to substrates in a water-resistant manner, e.g. dyeing a wool non-woven with 5.5'...
DE19502375A1 Detection of narcotics in saliva  
The instrument for testing saliva for the presence of narcotics has a test fluid (2) contg. liposomes or enzyme-labelled narcotic to be mixed in a chamber (4) with a saliva sample (8) from an...
DE4444533A1 Test strips for detecting electrolytes in urine  
Test strips for detecting electrolytes in urine contain a dye coupler or colour indicator and a buffer in volume-defined detection zones of the test strip. Detection zones for Mg ions are pref....
DE19508028A1 Determn. of beta-D-glucan concn., esp. in brewery materials  
Methods for determining the beta -D-(1,3)(1,4)-glucan concn. in a sample by means of a fluid injection system using Calcofluor (I) are characterised as follows: (1) the reaction zone in the fluid...
DE4392711C2 Indicator strip for phosphate in soil  
Test strip for the determination of phosphate in soil or water samples comprises a carrier strip impregnated with a reactant zone contg. a reductant (pref. ascorbic acid), coated with a porous...