초록 ▼

An aircraft circuit breaker includes a housing; separable contacts mounted in the housing; a latchable operating mechanism including a latch member which when unlatched opens the separable contacts; and an overcurrent assembly responsive to selected conditions of current flowing through the separabl

An aircraft circuit breaker includes a housing; separable contacts mounted in the housing; a latchable operating mechanism including a latch member which when unlatched opens the separable contacts; and an overcurrent assembly responsive to selected conditions of current flowing through the separable contacts for unlatching the latch member to trip the separable contacts open. A movable and illuminable arc fault indicator has a first ring portion and second leg portions internal to the housing. An arc fault actuator which when energized moves one of the second leg portions. An arc fault current assembly responds to selected arc fault conditions of current flowing through the separable contacts to energize the arc fault actuator to move the second leg portions internal to the housing and the first ring portion external to the housing. The arc fault current assembly includes a light for illuminating the first ring portion.

대표청구항 ▼

An aircraft circuit breaker includes a housing; separable contacts mounted in the housing; a latchable operating mechanism including a latch member which when unlatched opens the separable contacts; and an overcurrent assembly responsive to selected conditions of current flowing through the separabl

An aircraft circuit breaker includes a housing; separable contacts mounted in the housing; a latchable operating mechanism including a latch member which when unlatched opens the separable contacts; and an overcurrent assembly responsive to selected conditions of current flowing through the separable contacts for unlatching the latch member to trip the separable contacts open. A movable and illuminable arc fault indicator has a first ring portion and second leg portions internal to the housing. An arc fault actuator which when energized moves one of the second leg portions. An arc fault current assembly responds to selected arc fault conditions of current flowing through the separable contacts to energize the arc fault actuator to move the second leg portions internal to the housing and the first ring portion external to the housing. The arc fault current assembly includes a light for illuminating the first ring portion. n step (a) (iv) comprise phages from the third group. 3. A process in accordance with claim 1, wherein said phage-displayed random peptide library is one prepared using filamentous phages selected from the group consisting of M13, F1, Fd and derivatives thereof. 4. A process in accordance with claim 1 wherein said phage-displayed random peptide library is one in which the random sequence oligonucleotide inserts are inserted into the gene coding for protein VIII of the phage capsid. 5. A process in accordance with claim 1, wherein said phage-displayed random peptide library is one in which the random sequence oligonucleotide inserts are inserted into the gene coding for protein III of the phage capsid. 6. A process in accordance with claim 1, wherein said antigen or pathogenic organism is one selected from the group consisting of the surface antigen of the virus of human hepatitis B (HBsAg), the virus of human hepatitis C, and antigens pathogenically linked to an autoimmune disease. 7. A process in accordance with claim 1, wherein said at least two patients are either immunized with HBsAg or infected with the virus of human hepatitis C. 8. A process in accordance with claim 1, wherein said phage-displayed random peptide library is one in which the random sequence oligonucleotide inserts are inserted using the plasmid pc89 as a vector. the liquid sample and being reactive with the sample in a manner effective to generate an electrical output signal indicative of the level of 3-hydroxybutyric acid in the sample, said reagent comprising a hexacyanoferrate (III) salt, a catalytic amount of a first enzyme operative to catalyze the oxidation of 3-hydroxybutyric acid in the sample, a cofactor corresponding to said first enzyme, and a catalytic amount of a second enzyme operative to catalyze the electrochemical oxidation of a reduced form of the cofactor, wherein the reagent further comprises a filler. 16. The apparatus of claim 15, wherein the filler is a metal oxide. 17. A single-use disposable test strip apparatus for detecting 3-hydroxybutyric acid in a liquid sample, the apparatus comprising: a substrate, at least one electrode positioned on the substrate, and a single-use reagent in communication with the at least one electrode, the reagent being formed to dissolve in the liquid sample and being reactive with the sample in a manner effective to generate an electrical output signal indicative of the level of 3-hydroxybutyric acid in the sample, said reagent comprising a hexacyanoferrate (III) salt, a catalytic amount of a first enzyme operative to catalyze the oxidation of 3-hydroxybutyric acid in the sample, a cofactor corresponding to said first enzyme, a catalytic amount of a second enzyme operative to catalyze the electrochemical oxidation of a reduced form of the cofactor, and a polymer selected from the group consisting of polyethylene glycol/polyethylene oxide, polyvinyl-alcohol, polyvinyl-pyrrholidine, polystyrene sulfonate, polyvinyl-acetate and microemulsions of vinyl-acetate. 18. A single-use disposable test strip apparatus for detecting 3-hydroxybutyric acid in a liquid sample, the apparatus comprising: a substrate, at least one electrode positioned on the substrate, and a single-use reagent in communication with the at least one electrode, the reagent being formed to dissolve in the liquid sample and being reactive with the sample in a manner effective to generate an electrical output signal indicative of the level of 3-hydroxybutyric acid in the sample, said reagent comprising a hexacyanoferrate (III) salt, a catalytic amount of a first enzyme operative to catalyze the oxidation of 3-hydroxybutyric acid in the sample, a cofactor corresponding to said first enzyme, a catalytic amount of a second enzyme operative to catalyze the electrochemical oxidation of a reduced form of the cofactor, and a surfactant. 19. The apparatus of claim 18, wherein the surfactant is selected from the group consisting of sodium dioctyl sulfosuccinate and branched-nonyl phenoxypoly (ethylene-oxy)ethanol. 20. A single-use disposable test strip apparatus for detecting 3-hydroxybutyric acid in a liquid sample, the apparatus comprising: a substrate, at least one electrode positioned on the substrate, and a single-use reagent in communication with the at least one electrode, the reagent being formed to dissolve in the liquid sample and being reactive with the sample in a manner effective to generate an electrical output signal indicative of the level of 3-hydroxybutyric acid in the sample, said reagent comprising a hexacyanoferrate (III) salt, a catalytic amount of a first enzyme operative to catalyze the oxidation of 3-hydroxybutyric acid in the sample, a cofactor corresponding to said first enzyme, a catalytic amount of a second enzyme operative to catalyze the electrochemical oxidation of a reduced form of the cofactor, and an inorganic buffer. 21. The apparatus of claim 20, wherein the buffer is a pyrophosphate salt. 22. A single-use disposable test strip apparatus for detecting 3-hydroxybutyric acid in a liquid sample, the apparatus comprising: a substrate, at least one electrode positioned on the substrate, and a single-use reagent in communication with the at least one electrode, the reagent being formed to dissolve in the liquid sample and being reactive with the sample in a manner effective to generate an electrical output signal indicative of the level of 3-hydroxybutyric acid in the sample, said reagent comprising a hexacyanoferrate (III) salt, a catalytic amount of a first enzyme operative to catalyze the oxidation of 3-hydroxybutyric acid in the sample, a cofactor corresponding to said first enzyme, a catalytic amount of a second enzyme operative to catalyze the electrochemical oxidation of a reduced form of the cofactor, and stabilizers selected from the group consisting of flavin mononucleotide, adenosine diphosphate, magnesium ions, lactose, and raffinose. 23. A method for determining information indicative of the level of 3-hydroxybutyric acid in a liquid sample, the method comprising the steps of: reacting the sample with a single-use reagent formed to dissolve in the liquid sample, the reagent comprising a ferricyanide salt, a catalytic amount of a first enzyme operative to catalyze the oxidation of 3-hydroxybutyric acid in the sample, a cofactor corresponding to said first enzyme, and a catalytic amount of a second enzyme operative to catalyze the oxidization of the cofactor and the reduction of the ferricyanide, generating an electrical output from the dissolved reagent indicative of the level of 3-hydroxybutyric acid in the sample, measuring the electrical output; and determining the level of 3-hydroxybutyric acid in the sample using information comprising the measured electrical output. 24. The method of claim 23, wherein the generating step includes applying an electrical potential to the reagent. 25. The method of claim 24, wherein the electrical potential is applied upon completion of the reaction of the sample and the reagent. 26. The method of claim 25, wherein the reaction is completed in about 60 seconds. 27. A method for determining information indicative off the level of 3-hydroxybutyric acid in a liquid sample, the method comprising the steps of: providing a single-use disposable sensor including a working and counter electrodes and a reagent in communication with the electrodes, the reagent being formed to dissolve in the liquid sample and comprising a ferricyanide salt, a catalytic amount of a first enzyme operative to catalyze the oxidation of 3-hydroxybutyric acid in the fluid sample, a cofactor corresponding to said first enzyme, and a catalytic amount of a second enzyme operative to catalyze the oxidization of the cofactor and the reduction of the ferricyanide, contacting the reagent with the liquid sample, and applying a direct potential difference between the electrodes sufficient to generate an electrical output from the dissolved reagent indicative of the level of 3-hydroxybutyric acid in the fluid sample. 28. The method of claim 27, wherein the applying step occurs at least about 15 seconds after the contacting step. 29. The method of claim 28, wherein the applying step occurs about 50 seconds after the contacting step. 30. The method of claim 27, further comprising the step of measuring background impedance of the analyte and reagent.