U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 435/37 - Nitrate to nitrite reducing bacteria


Subclass of Class 435 - Chemistry: molecular biology and microbiology
Definition: Subject matter where the microorganisms involved are nitrite
No. of patents: 51
Last issue date: 01/29/2008


1    
NumberTitleIssue Date
7323328Obligately symbiotic thermophile SC-1 producing thermostable L-tyrosine phenol-lyase and L-tryptophan indole-lyase
The present invention relates to a novel obligately symbiotic thermophile Symbiobacterium toebii SC-1 (Accession NO: KCTC 0685BP), and a thermostable L-tyrosine phenol-lyase and L-tryptophan indole-lyase produced by Symbiobacterium toebii SC-1. The pre...
01/29/2008
7239766Optical sensing elements for nitrogen dioxide (NO) gas detection, a sol-gel method for making the sensing elements and fiber optic sensors incorporating nitrogen dioxide gas optical sensing elements
A sensing element, a method of making a sensing element, and a fiber optic sensor incorporating the sensing element are described. The sensor can be used for the quantitative detection of NO2 in a mixture of gases. The sensing element can be made by incor...
07/03/2007
7232681Personal cell sampling kit
A kit for obtaining and shipping personal cell samples is provided. The kit contains such items as a transport tube, and collection swabs for obtaining a cell sample. The tube has a media plug impregnated with dehydrated media positioned within the tube near the top...
06/19/2007
7214509Methods and compositions for degradation of nitroaromatic and nitramine pollutants
The invention relates to novel Methylobacterium species that are capable of degrading nitroaromatic and nitramine compounds. Compositions, kits and methods of using the Methylobacterium species for the degradation of nitroaromatic and nitramine polluta...
05/08/2007
6967087Obligately symbiotic thermophile SC-1 producing thermostable L-tyrosine phenol-lyase and L-tryptophan indole-lyase and a method for screening its relative bacteria
The present invention relates to a novel obligately symbiotic thermophile Symbiobacterium toebii SC-1(Accession NO: KCTC 0685BP), and a thermostable L-tyrosine phenol-lyase and L-tryptophan indole-lyase produced by Symbiobacterium toebii SC-1. The pres...
11/22/2005
6949348Diagnosis of spongiform diseases
A diagnostic test is provided for spongiform encephalopathy and other demyelinating conditions in mammals which comprises assaying antibodies present in the mammal which bind to an antigenic peptide which exhibits molecular mimicry of a mammalian myelin peptide, e.g...
09/27/2005
6605447Methods and means of detecting nitric oxide synthase
Methods for identifying and monitoring increased or decreased levels of inducible nitric oxide synthase in biological samples are provided. A collection device for detecting inducible nitric oxide synthase in biological samples is also provided. Detection...
08/12/2003
5900362Luminescent nitrifying microorganisms
The method of producing luminescent bacteria is based on the transfer of genetic information for biological luminescence to obligate chemolithoautotrophic nitrifying microorganisms. In particular, luciferase DNA or a luciferase-beta-galactosidase transcri...
05/04/1999
5565328Measurement of color reactions by monitoring a change of fluorescence
The present invention relates to a method to determine the concentration of an unknown substance in a colorimetric reaction using a fluorometric reader. The change in color can be monitored by observing the change of fluorescence of a known amount of a su...
10/15/1996
5432079Method for selecting mutants of legume-nodulating bacteria enhanced in competition
Methods for the isolation of mutant rhizobial strains with improved competition of nodulation (Comp+) is presented. Mutants are selected for constitutive expression of inducible nod genes (in the absence of inducer) and screened for hyperinduct...
07/11/1995
5294539Nitrate reductase from yeasts, the preparation and use thereof
The invention relates to NAD(P)H-dependent nitrate reductase from yeasts, to a process for the preparation thereof and to the use thereof in a reagent for determining nitrate. The nitrate reductase is characterized by a molecular weight of about 350 000 D...
03/15/1994
5169758Stabilized, NAD(P)H-dependent, soluble nitrate reductase, a process for the preparation thereof and a reagent containing it
The present invention provides a stabilized, NAD(P)H-dependent, soluble nitrate reductase of the assimilatory type, characterized by a molecular weight of about 90,000 D in the case of electrophoresis in the presence of sodium dodecyl sulphate and a resid...
12/08/1992
4814276Selective medium for growth of neisseria
A nutrient growth medium which is highly selective for pathogenic Neisseria is provided. The nutrient growth medium includes an antibiotic agent which is a combination of vancomycin and lincomycin. The combination of lincomycin and vancomycin allows the u...
03/21/1989
4798788Processes and materials for carrying out microchemical and microbiological tests
A microbiological culture test process for detecting the presence of nitrate-reducing microorganisms in an inoculum sample, which comprises (a) culturing a microorganism to be tested in the presence of adequately nitrite-free nitrate, for a period sufficient t...
01/17/1989
4775622Expression, processing and secretion of heterologous protein by yeast
Yeast organisms are caused to express, process, and secrete protein that is normally heterologous to yeast and not required for its viability by transforming yeast with an expression vector containing a gene encoding heterologous protein and a signal sequ...
10/04/1988
4631255Composition for assaying for nitrites
A composition for assaying nitrites comprising a diazotizable amine, an acid component and a coupling component, wherein the coupling component is a compound of the following formula I: ##STR1## wherein R represents a hydrogen atom or a straight-chai...
12/23/1986
4446230Test method for the laboratory diagnosis of Gonorrhea and test strain of neisseria gonorrhoeae
A strain of Neisseria gonorrhoeae ATCC 31953 is described which is abnormal in that it has characteristically poor growth on chocolate agar at a temperature range of about 30° C. to about 37° C. in a CO2 atmosphere suitable for growth of N. g...
05/01/1984
4434235Method and apparatus for detecting nitrite ions in fluids
A method for detecting the presence of nitrite ions in fluids by pretreat nitrite containing fluids to enhance the detectability with nitrite detecting reagents of the nitrite ions therein, which pretreatment step comprises passing the nitrite containing...
02/28/1984
4397959Forced precipitation method for preparing antigen/antibody particles
Process for the preparation of test reagents comprising antigens or antibodies adsorbed on a surface, for example, the surface of synthetic or natural polymer particles in which the test material to be adsorbed is dissolved in a solvent in contact with th...
08/09/1983
4390622Neisseria bacteria species identification and beta lactamase testing methods
Method for rapid, high intensity visual indication of the presence of Neisseria bacteria species utilizing a new and improved peptone buffer and pH indicator reagent system as the specimen carrier for oxidation series testing, which series test may also i...
06/28/1983
4384936System for determining the concentration of an L-amino acid in fermentation
Electrochemical method for determining the concentration of a carbon source and L-amino acid in a fermentation medium or cultured broth by contacting a microbial electrode consisting of an oxygen-sensitive electrode or a carbon dioxide gas-sensitive elect...
05/24/1983
4358535Specific DNA probes in diagnostic microbiology
Method and compositions for infectious disease diagnosis and epidemiology involving labeled nucleotide probes complementary to nucleic acid coding for a characteristic pathogen product. Clinical isolates are cultivated, expanding the number of microorgani...
11/09/1982
4340671E. coli sensitivity broth
A medium for determining Escherichia coli sensitivity to a pre-selected antimicrobial agent. The medium contains nutrient sources, inhibitors to inhibit growth of gram-positive and of other gram-negative micro-organisms, and an indicator which will show m...
07/20/1982
4340670Method of using over the counter swab kit for self detection of gonorrhea in the male using tetramethyl chromogen ampul
An over the counter swab kit for self detection of gonorrhea in the male using an ampul containing 1% N, N, N' N' tetramethyl-p- phenylenediamene or tetramethyl chromogen. The method of taking a sample is also shown in which the open end of a tube is fill...
07/20/1982
4335205Low protein degradation product basal medium for identification of non-fermentative gram-negative bacilli and other microorganisms
A single basal growth medium for receiving various substrates for the purpose of rapid identification of any species of non-fermentative Gram-negative bacilli (NFB), wherein the medium is low in organic nitrogen but is supplemented with inorganic nitrogen...
06/15/1982
4297173Method for determining ammonia and sensor therefor
The concentration of ammonia in an aqueous liquid is determined by contacting a sample of the liquid with dissolved oxygen and with a microbial electrode comprising an oxygen-sensitive electrode, a porous membrane, and nitrifying bacteria confined or immo...
10/27/1981
4288543Method and apparatus for identifying microorganisms
The method and apparatus for testing the susceptibility of bacteria to antibiotics described in the U.S. Pat. No. 3,832,532 and related patents are adapted for identifying various strains of bacteria by determining the light scatter indices (LSI) for a sp...
09/08/1981
4245043Negative control media device and method for microbiologic biochemical tests
A microorganism identification test container comprises a tray member provided with a plurality of integrally formed open wells. A number of the wells are microorganism identification test wells having biochemical test media which in hydrated form permits...
01/13/1981
4229530Methods and media for rapid detection of pathogenic neisseria
A microbial growth medium for the isolation and rapid detection of Neisseria gonorrhoeae and Neisseria meningitidis, having incorporated therein an iron-dextran complex in a quantity sufficient to stimulate maximum colony growth....
10/21/1980
4186182Serological test for Neisseria gonorrhoeae antibodies
Serological method for determining presence of Neisseria gonorrhoeae antibodies in human sera and products utilized in such testing....
01/29/1980
4166765Detecting Neisseria bacteria
Bacteria of the genus Neisseria can be detected in a sample by testing for the presence of an enzyme capable of oxidizing 1,2-propanediol and reducing NAD (nicotinamide-adenine-dinucleotide). The complete structure of the enzyme is not known but, because ...
09/04/1979
4142939Method of producing an R-type bacteriocin and its use in the detection of specific microorganisms
A method of detecting a specific microorganism comprising contacting said microorganism with bacteriocins from a microorganism of a genus which is taxonomically unrelated to said specific organism. The result of such contact may be utilized to detect the ...
03/06/1979
4111752Comparative test for Neisseria
Bacteria of the genus Neisseria can be detected in a sample by separating a lysate of the sample into two parts, incubating one part with a solution of nicotinamide-adenine-dinucleotide (NAD) and 1,2-propanediol, incubating the other part with a solution ...
09/05/1978
4108729Paper booklet for presumptive diagnosis of Neisseria Gonorrhoeae in the male
A paper booklet for presumptive diagnosis of Neisseria Gonorrhoeae in the Male comprising staggered strips, a to d, back to front of (a) a bibulous paper specimen collector, (b) a bibulous paper reagent impregnated strip, (c) a bibulous paper target strip...
08/22/1978
4104127Article for growing cultures in a body cavity in the presence of gas, and package for the article
Cultures of microorganisms can be grown in a body cavity by situating therein a nutrient on a suitable carrier while maintaining the nutrient exposed to a predetermined gaseous atmosphere, so that microorganisms which require a particular atmosphere can g...
08/01/1978
4073693Apparatus and method for conducting a plurality of biological tests
A biological testing device comprising a container and plug is disclosed. The container in combination with the plug makes it possible to test a bacterial suspension with a number of different reagents simultaneously. The container which is open at one en...
02/14/1978
4070249Apparatus for compensating for pressure within a biological test device
A biological testing device comprising a container and plug is disclosed. The container in combination with the plug makes it possible to test a bacterial suspension with a number of different reagents simultaneously. The container which is open at one en...
01/24/1978
4066744Serological reagent, test slide and method for gonorrheal antibodies
Disclosed are a reagent and test slide used for serological detection of gonorrheal antibodies in human blood serum or synovial fluid. The reagent comprises latex particles having absorbed on their surfaces an inert protein, such as bovine serum albumin a...
01/03/1978
4039387Medium and method for distinguishing Neisseria gonorrhoeae and Neisseria meningitidis
A microbial growth medium for distinguishing Neisseria gonorrhoeae from Neisseria meningitidis. The medium comprises a gonococci and meningococci specific medium having incorporated therein a quantity of 8-anilino-1-naphthalene-sulfonic acid (ANS) or a sa...
08/02/1977
4038143Test kit for the genetic detection of microorganisms
A test kit for detecting the presence of a specific microorganism in a biological sample utilizing the phenomenon of genetic transformation. The test kit comprises a transformable variant of said specific microorganism, such as auxotrophs which are distin...
07/26/1977
1    
 
Sign InRegister
Username  
Password   
forgot password?