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WO/1999/024868A1 |
A method for mask-free molecular or atomic patterning of surfaces of reactive solids is disclosed. A molecular-scale pattern of adsorbate molecules is used in place of the conventional macroscopic 'mask'. Molecules adsorb at surfaces in ...
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WO/1999/021002A1 |
An artificial capillary testing apparatus (ACTA) is provided for evaluation of gas transport/exchange properties of a fluid. A sample fluid, having a known or measured partial gas pressure, is introduced from a gas-tight dispenser into a...
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WO/1999/017095A1 |
A biosensor (10) has a pH-sensitive polymeric hydrogel (30) in a rigid and preferably biocompatible enclosure (20). The hydrogel (30) includes an immobilized oxidoreductase enzyme such as glucose oxidase. The oxidoreductase enzyme cataly...
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WO/1998/057144A1 |
The invention relates to a device for determining the decay time of compressed medicinal shaped bodies (6, 6') such as tablets, in a liquid medium which is located inside a vessel. The inventive device consists of a decay cage (1) with a...
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WO/1998/052015A1 |
A vent volume measuring method and a vent volume measuring apparatus, which can measure a vent volume of a permeable packaging material for use with heating bags in a short time, irrespective of pore diameter and material of the packagin...
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WO/1998/050776A1 |
The invention relates to a device for determining the decay time of compressed medicaments (18) such as tablets and capsules, comprising a rack (1) which can be lowered into a container (19) filled with a liquid, a middle column (7) and ...
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WO/1998/045701A2 |
Described is a device and method for facilitating the determination of the solubility and dissolution properties of chemical compounds in various solvents. The device uses submilliliter quantities of a solvent and correspondingly small a...
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WO/1998/036276A1 |
A method for measuring the mechanical integrity of a collagen network in cartilage and of other extracellular matrices according to applying a known mechanical stress to the sample; measuring a quantity representing hydration of the samp...
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WO/1998/028605A1 |
A method for monitoring changes in the level of an osmotically active component, such as for instance glucose, or in healthy humans, such as athletes for monitoring the level of lactic acid in the muscles is described. The key feature of...
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WO/1998/022550A1 |
This invention relates to a method of providing a substrate with an antifogging characteristic, a method of providing an article with an antifogging cover, and a method for determining whether a polymer is antifoggging by determining its...
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WO/1998/020340A1 |
The invention provides for a method of determining the dissolution rate of a steroid from its solid pharmaceutical formulation. Said method comprises: adding a steroidal formulation to a paddle assembly containing an aqueous solution of ...
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WO/1998/013682A1 |
The invention relates to a measuring device comprising a flow cell (R�1?) having an inflow and an outflow, a middle cell (R�2?) separated from the measuring cell by a semi-permeable preliminary purification membrane, as well as a mea...
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WO/1998/013516A1 |
A method of determining the cohesive intensities of cells by measuring cell aggregate surface tensions using a tissue surface tensiometer is provided. Methods of monitoring changes in the cohesive intensities of cells by measuring change...
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WO/1998/011421A1 |
The object of the invention is a device for measuring the surface pressure of a film formed at the interface of a liquid and gaseous phase, the device comprising a detector means and a sensor means. The detector means comprises a light s...
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WO/1998/009151A1 |
In order to measure the volume of liquid droplets, a liquid volume is at first separated into individual droplets and an electric potential which differs from the surrounding potential is transmitted to the droplets. This electric potent...
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WO/1998/004915A1 |
A soil moisture sensing device (40) and method for its use are disclosed, which utilizes an osmotically active fluid within an enclosed annular chamber (42), bounded in part by a rigid, inorganic, permselective membrane (21), to directly...
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WO/1998/001741A1 |
The invention concerns a method for calibration of an analysis system (1) having a diaphragm (2), the outside of which is immersed into a medium (3) to be analysed, and on the inside of which a carrier fluid (9) for the admission of a sp...
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WO/1997/046860A2 |
The present invention relates to an improvement in a detection system used for continuously measuring the release of a drug from a pharmaceutical dosage form comprising a singular dissolution vessel or multiple dissolution vessels contai...
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WO/1997/046853A2 |
The invention relates to a method and a microsensor for measurement of transport coefficients like diffusivity or flow velocity. The microsensor has a reservoir (2) provided with a mouth (3) and a transducer (1). The transducer has a tip...
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WO/1997/046863A1 |
The invention relates to a device for dynamic measurement of the surface tension of a liquid by the bubble pressure process. Said device is characterised by a moving measuring device (3) with a flexible lead (2), conveying at least compr...
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WO/1997/024598A1 |
In this invention, a measurement of cell permeability is determined by obtaining a measure of the volume of fluid which crosses a sample cell membrane in response to an altered environment. A lytic agent may be used to drive fluid across...
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WO/1997/024599A1 |
A method for testing a cell suspension comprises the steps of: (1) diluting a portion of the cell suspension such that the liquid of the diluted suspension has the same osmolality as the extra cellular liquid of the cell suspension (plas...
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WO/1997/016717A1 |
The present invention relates to an automated permeability analysis system that increases the capacity, precision, accuracy and reliability of in vitro drug candidate permeability studies. The inventive permeability analysis system estab...
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WO/1997/014035A1 |
The invention relates to a device for determining the dissolution time of medicaments in pressed form, like tablets and capsules, (especially to DAB 10, 3rd Supplement 1994, or the European Pharmacopoeia or USP [USA]), consisting of a fr...
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WO/1997/013138A2 |
Method and apparatus for measuring the surface tension of a liquid inside a vessel (1), reactor, or inside a section of flow-through process pipe that is pressurized above normal ambient pressure, up to but not limited, to 1000 psig (700...
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WO/1997/007891A1 |
Apparatus for sealing a pill (8) within a sachet, comprising a sealing station at which an upwardly-open pocket is formed from two strips (3) of plastics material. The pill (8) is introduced into the pocket and then crushed in the pocket...
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WO/1996/038595A1 |
A method for producing cast irons having a certain desired morphology of graphite crystals and containing graphite shape modifiers and/or inoculants, according to which: a) a sample quantity of the molten iron is taken from the batch of ...
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WO/1996/028717A1 |
A dissolution testing vessel comprising means which prevent a formulation undergoing dissolution testing from floating freely at the surface of the testing medium, but which do not prevent the testing medium from moving freely within the...
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WO/1996/025655A1 |
The invention relates to a device for obtaining, in the manufacture of a high-strength composite, an indication that the reinforcement (1) of the composite has been wetted throughout by the matrix of the composite. The reinforcement at i...
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WO/1996/020398A1 |
A solder wettability measuring instrument of a very high sensitivity. The instrument comprises a fixed differential transformer, a balance supported on the balance fulcrum, a metal specimen suspended from a detecting element of the diffe...
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WO/1996/018877A2 |
The invention relates to a process of determining the surface tension in a liquid by generating gas bubbles in the liquid. The gas bubbles are preferably formed from gas that is in-situ generated and the gas bubbles are preferably in-sit...
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WO/1996/014583A1 |
A device (20) for monitoring the presence or absence of active surfactant or other surface active agents (5) in a solution or flowing stream based on the formation of foam or bubbles is presented. The device (20) detects the formation of...
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WO/1996/004982A1 |
The invention is of relevance to the qualitative and quantitative elemental and phase analysis of solids, mineral ore processing, and the chemical industry and others which use dissolution processes; more specifically, it relates to devi...
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WO/1996/003633A1 |
Environmental monitoring of low concentration of organic compounds in a medium such as ground water is effected by using a diffusion cell (112) having a polymeric membrane formed into a helical tube (125) and immersed in the environmenta...
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WO/1996/002627A1 |
A diffusion chamber system including in combination an Ussing diffusion chamber (10) and fluid circulating device (18) for transport studies using membranous barriers such as excised animal tissue cultered cell monolayers. The chamber is...
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WO/1996/001989A1 |
A method is disclosed for calibrating an analysis system having a membrane (2), the outside of which is in contact with a medium (3) to be analyzed, in order to detect a concentration of a species there, and a corresponding analysis syst...
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WO/1996/001152A1 |
The present invention provides an improved atomization system for dispensing and atomizing a fluid product having film-forming characteristics. The atomization system includes a nozzle for atomizing the fluid product which has been forme...
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WO/1995/024629A1 |
An osmometric device is disclosed for determining the content of an analyte made up of one or several substances in a solution of mixed substances. The device consists of an osmotic cell (A) provided with a manometric device and mounted ...
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WO/1995/023329A1 |
The dissolution testing apparatus (100) has a plurality of stirring elements (104) for stirring the test solutions within a plurality of test vessels (102) with reflective surfaces. The temperatures of the test solutions are individually...
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WO/1995/016906A1 |
A single generally cylindrical foam cell (10) having openings (12, 14) at both ends is provided wherein an interchangeable foam cell insert (20) having varied geometry is longitudinally disposed within the foam cell (10). The foam cell i...
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WO/1995/006681A1 |
Stable high internal phase water-in-oil emulsions containing polymerizable vinyl monomers, crosslinking monomers and polymerization initiators are obtained by using saccharide fatty acid esters as surfactants. The amount of surfactants n...
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WO/1995/004923A1 |
An apparatus for simulating the effect of the living organism on the change in shape, the disintegration and dissolution behaviour and the active-ingredient release of a pharmaceutical dosage form comprises a beaker-shaped container (21)...
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WO1994023280A1 |
A method for the measurement of the surface tension of biological fluids, especially for the determination of the maximum and minimum surface tension of biological fluids having aqueous phase, during which the maximum surface tension of ...
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WO/1994/017954A1 |
The concentration of the emulsion is monitored. To measure the concentration of the emulsion and/or its surfactant content and/or its current cleansing action, a bubble tensiometer operated with sufficiently constant gas flows is used to...
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WO/1994/016098A1 |
A simple chemotaxis apparatus and method wherein surface tension, capillary action, and hydrophobic forces are used to hold cell suspensions, chemotactic factors, and control fluids in place on both membrane filters and chemotaxis plates...
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WO/1994/010565A1 |
A process for determining at least one foam degradation rating number for foam on a liquid, in particular beer, has the following steps: foaming the liquid, filling a measurement vessel with the foamed liquid, then measuring the amount o...
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WO/1994/005998A1 |
A fiber optical osmometer (50) includes a fiber optic probe (20) inserted into a chamber (24) including a filter member (10) and a diaphragm (14) responsive to a pressure change in the chamber (24). The filter member (10) transmits a flu...
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WO/1994/004617A1 |
An aqueous liquid composition containing polyethylene glycol with a molecular weight in the range of about 200 to about 8000, nonionic surfactant, and a corrosion inhibitor, and optionally, amphoteric surfactants and fluorinated surfacta...
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WO/1993/015388A1 |
A transducer device (24) provides a measure of fluid shear stress and related quantities at a surface (11) in a fluid stream. It comprises a flow disturbing component (18) which projects above the surface through a substantial proportion...
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WO/1993/009269A1 |
The invention relates to a process for degreasing and cleaning metal surfaces with tenside-containing aqueous cleaning liquids in baths and/or by spraying. In order to obtain an exact measurement of the bath load and cleaning reserve eco...
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