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| Number | Title | Issue Date |
| 5520883 | Test devices for determination of glucose Test devices are disclosed which are useful for determining glucose or occult blood comprising a carrier matrix, glucose oxidase, an indicator system and a glucose derivative that upon addition of water hydrolizes to produce glucose.... | 05/28/1996 |
| 5464777 | Dry reagent for creatinine assay A method for the determination of protein and creatinine in urine. An organic acid, in the form of its lithium salt, is dried onto a suitable substrate in the second reaction zone of a reaction vessel having a first reaction zone for the immunometric dete... | 11/07/1995 |
| 5462198 | Modular bottle dispenser The present invention is directed to a modular bottle dispenser apparatus used for dispensing bottles. Each dispenser includes a receiver opening, a dispenser opening, a continuous guide channel which restricts the side to side and up and down motion of a... | 10/31/1995 |
| 5460974 | Method of assaying whole blood for HDL cholesterol An improved device and method of a) separating the cellular components of whole blood from plasma or serum, b) separating the low density lipoprotein (LDL) fraction and the very low density lipoprotein (VLDL) fraction from the plasma or serum, then c) ass... | 10/24/1995 |
| 5453378 | Diagnostic test system verification method using serum free glucose control containing quaternary ammnonium polymer Disclosed is a serum free control reagent formulation useful for the determination of a pre-selected analyte. The formulation involves an aqueous solution of a predetermined amount of the analyte together with a polymerized quaternary salt of di- or mono-... | 09/26/1995 |
| 5449898 | High spatial resolution area array detection readhead with a reduced sample detection area and method for using the same The high spatial resolution area array detection readhead and method for using the same involve modifying an existing area array detection readhead to provide improved spatial resolution within the sample detection area. One modification involves reducing... | 09/12/1995 |
| 5429735 | Method of making and amperometric electrodes A method of making and an amperometric electrode are provided. An electrode carbon ink is applied to a polymer substrate to form a working electrode. The substrate carrying the working electrode is placed in a gas plasma cleaner, such as an oxygen or nitr... | 07/04/1995 |
| 5424215 | Assay for the determination of protein in a biological sample The detection of protein is accomplished using novel composition and method involving phenolsulfonephthalein protein error indicator, buffer and an aliphatic ether-polycarbonate present in an amount equal to or less than ten percent by weight.... | 06/13/1995 |
| 5424075 | Delivery system for enhanced onset and increased potency The invention discloses a swallow tablet which is capable of disintegrating within less than about fifteen minutes and providing fast delivery of therapeutic drugs. The delivery system is composed of between 0.250 and 1.0 Gm of an alkali metal or alkaline... | 06/13/1995 |
| 5419906 | Preparation of human immunoglobulin free of hepatitis C The effects of Cohn-Oncley cold alcohol fractionation on infectivity of two prototype retroviruses, mouse xenotropic type C and the LAV strain of AIDS retrovirus result in a significant reduction in retrovirus titer. At least a 100,000-fold reduction of L... | 05/30/1995 |
| 5410474 | Buttonless memory system for an electronic measurement device The buttonless memory system of the present invention retrieves and stores the measurement results of a sample for the user of an electronic measurement device, particularly a portable and personal electrical measurement device, with minimal user interact... | 04/25/1995 |
| 5409840 | Purification and recovery of lipoprotein cholesterol Disclosed is an improved process for the recovery of cholesterol rich fractions from mammalian serum or plasma. The process involves adsorbing the fraction on precipitated silica gel agglomerates which are then separated from the serum or plasma whereupon... | 04/25/1995 |
| 5408535 | Video test strip reader and method for evaluating test strips A video test strip reader uses a video imager or camera for viewing a viewing field containing reagent test strips each having test pads reacted with a specimen containing constituents of interest. The video imager produces an analog signal representing a... | 04/18/1995 |
| 5403744 | Method, composition and device for measuring the ionic strength or specific gravity of a test sample A method, composition and test device for determining the ionic strength or specific gravity of a test sample are disclosed. The method utilizes a test device comprising a test pad, wherein the test pad includes a carrier matrix incorporating a reagent co... | 04/04/1995 |
| 5401466 | Device for the direct measurement of low density lipoprotein cholesterol A dry phase device separates high density lipoprotein (HDL) from a blood (serum or plasma) sample. The device contains a fluid permeable material having dispersed therein finely divided, porous silica or silicate particles as selective absorbant for HDL. ... | 03/28/1995 |
| 5401759 | Nimodipine enhanced growth and vascularization of neural grafts The invention relates to a method of enhancing vascularization and growth of neural grafts in warm-blooded animals, especially man, comprising administering an effective amount of the nimodipine, a calcium channel blocker, having the formula 1,4-dihy... | 03/28/1995 |
| 5399498 | Reduction of background interferences in the molybdate-dye protein assay Disclosed is an improvement to the assay for protein in urine involving the use of a molybdate or tungstate salt and an indicator dye which forms a complex with molybdate or tungstate whose absorption band is shifted in the presence of protein. The improv... | 03/21/1995 |
| 5393615 | Mediators suitable for the electrochemical regeneration of NADH, NADPH or analogs thereof Disclosed is the use of 9H-acridin-2-one and 11H-dibenz-[b,f][1,4]oxazepin-8-one compounds as mediators suitable for the electrochemical regeneration of the co-enzymes dihydronicotinamide adenine dinucleotide (NADH), dihydronicotinamide adenine dinucleoti... | 02/28/1995 |
| 5385847 | Method for the determination of urinary protein and creatinine Disclosed is a method for the determination of urinary protein and creatinine in a single reaction vessel using a continuous process. The method involves adjusting the pH to a level suitable for carrying out an immuno assay for the protein and making such... | 01/31/1995 |
| 5374561 | Oxidative creatinine assay The present invention is a method for the detection of creatinine in an aqueous solution, particularly urine, which involves contacting the solution with a soluble cupric salt, a hydroperoxide and an oxidizable indicator which provides a detectable respon... | 12/20/1994 |
| 5372948 | Assay and reaction vessel with a compartmentalized solubilization chamber Disclosed are a method and device for performing sequential analytical reactions involving a first dry reagent and a second dry reagent comprised of two or more components having different rates of solubilization. The invention enables one to fully solubi... | 12/13/1994 |
| 5362633 | Method of assaying for peroxidatively active substances A method of determining the presence or concentration of a peroxidatively active substance, such as hemoglobin, in a test sample is disclosed. The method comprises contacting the test sample with an indicator reagent composition which interacts with the p... | 11/08/1994 |
| 5360718 | Diagnosis of Candida vaginitis by detecting D-arabinitol in vaginal fluid A method for the presumptive detection of Candida in vaginal fluid, thereby providing an aid to the diagnosis of Candida vaginosis. A sample of vaginal fluid is combined with a test composition comprising an indicator system that provides a chromogenic re... | 11/01/1994 |
| 5360595 | Preparation of diagnostic test strips containing tetrazolium salt indicators Disclosed is an improved procedure for the manufacture of a diagnostic test device comprising a matrix having uniformly dispersed a tetrazolium salt and a reagent system designed to convert the tetrazolium to its colored formazan upon contacting the matri... | 11/01/1994 |
| 5350694 | Composition method and device for measuring the divalent cation concentration or specific gravity of a test sample A composition, method and test device for determining the divalent cation concentration or estimating the specific gravity of a test sample are disclosed. The method utilizes a test device comprising a test pad, wherein the test pad includes a carrier mat... | 09/27/1994 |
| 5350392 | Lancing device with automatic cocking The present invention is a lancing device with an automatic cocking feature. The automatically cocking lancing device utilizes a firing burton loaded with a firing button spring and a drive spring connecting the firing button to a plunger. As the user pre... | 09/27/1994 |
| 5348855 | Assay for nucleic acid sequences in an unpurified sample A method for detecting (i) one or more microorganisms or (ii) nucleic acid sequences from a prokaryotic source or an eukaroytic source in an unpurified nucleic acid-containing test sample comprising (a) labeling the nucleic acids in the test sample, (b) contac... | 09/20/1994 |
| 5348745 | Aqueous granulation solution and a method of tablet granulation The invention discloses an aqueous granulating solution containing sodium, potassium or mixed sodium potassium salt of an edible organic acid selected from the group consisting of citric, malic, tartaric and fumaric acid and optionally containing sodium o... | 09/20/1994 |
| 5328850 | Merocyanine protein error indicators The present test device provides a merocyanine protein error indicator compound. Merocyanine compounds are a new class of protein error indicators, providing an analytical tool useful in the detection of protein in a sample.... | 07/12/1994 |
| 5326707 | Composition and device for urinary protein assay and method of using the same A composition, test device and method of determining the presence or concentration of proteins, such as albumin, in a liquid test sample, such as urine. The test device includes a test pad with a carrier matrix incorporating a indicator reagent compositio... | 07/05/1994 |
| 5326697 | Composition and method of assaying for D-ଲ-hydroxybutyrate A composition, test device and method of determining the presence or concentration of ketone bodies, and specifically D-ଲ-hydroxybutyrate, in a test sample are disclosed. The test device includes a test pad comprising a suitable carrier matrix incor... | 07/05/1994 |
| 5324903 | Arm switch assembly An arm switch assembly, for an electrical instrument having a casing and electrical contacts, comprises an elongated insulating body member with a conductive member moved into engagement with and disengagement from the electrical contacts in response to o... | 06/28/1994 |
| 5322680 | Substituted 2-thiazolyl tetrazolium salt indicators 2-Thiazolyl tetrazolium salt compounds characterized by a reflectance spectrum exhibiting an extended plateau above about 600-650 nm. Such compounds are useful as chromogenic indicators for reducing substances such as NADH. The reflectance plateau confers... | 06/21/1994 |
| 5320969 | Method, composition and device for the semiquantitative determination of specific gravity of a test sample A method, composition and test device for the semiquantitative determination of specific gravity of a test sample are disclosed. The method utilizes a reagent composition capable of producing a detectable and measurable response that correlates to the con... | 06/14/1994 |
| 5321492 | Dual function readhead for a reflectance instrument A dual function readhead for a reflectance instrument is located in a housing for the instrument. A first light source for emitting radiation for reflectance readings and transmitting data is mounted in the readhead. In addition, a first photodetector is ... | 06/14/1994 |
| 5318894 | Composition, device and method of assaying for peroxidatively active substances A new and improved test device and method of determining the presence or concentration of a peroxidatively active substance, such as hemoglobin, in a test sample are disclosed. The test device includes a test pad comprising a suitable carrier matrix incor... | 06/07/1994 |
| 5310888 | Arylazo chromoionophores Disclosed are arylazo chromoionophores characterized by the formula: ##STR1## wherein X is hydrogen or a monovalent cation, Y is H or methoxy and R is a ringed aromatic organic structure which affects the optical absorption properties of the compound... | 05/10/1994 |
| 5305093 | Spectrometer for conducting turbidimetric and colormetric measurements A dual beam spectrometer for conducting both turbidimetric and colormetric measurements includes a housing with a light source. The housing further includes source exit apertures that form light from the light source into a sample light beam and reference... | 04/19/1994 |
| 5302531 | Composition for the semiquantitative determination of specific gravity of a test sample A method, composition and test device for the semiquantitative determination of specific gravity of a test sample are disclosed. The method utilizes a reagent composition capable of producing a detectable and measurable response that correlates to the con... | 04/12/1994 |
| 5300439 | Method, device, and composition for the assay of ions A test device and method of determining the presence or concentration of a predetermined ion, such as a cation of medical interest, like sodium, potassium, calcium, magnesium or lithium, in an aqueous test sample are disclosed. The test device includes a ... | 04/05/1994 |
