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1. US7659056 - Method and apparatus for detecting a mutation in a nucleic acid fragment in a sample

Office United States of America
Application Number 10399826
Application Date 23.10.2000
Publication Number 7659056
Publication Date 09.02.2010
Grant Number 7659056
Grant Date 09.02.2010
Publication Kind B1
IPC
C12Q 1/68
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
QMEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
1Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
68involving nucleic acids
B01L 3/00
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
3Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
B01L 7/00
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
7Heating or cooling apparatus; Heat insulating devices
C07H 21/04
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
21Compounds containing two or more mononucleotide units having separate phosphate or polyphosphate groups linked by saccharide radicals of nucleoside groups, e.g. nucleic acids
04with deoxyribosyl as saccharide radical
C12M 1/00
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
MAPPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY
1Apparatus for enzymology or microbiology
C12P 19/34
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
19Preparation of compounds containing saccharide radicals
26Preparation of nitrogen-containing carbohydrates
28N-glycosides
30Nucleotides
34Polynucleotides, e.g. nucleic acids, oligoribonucleotides
CPC
G01N 27/44773
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
27Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
26by investigating electrochemical variables; by using electrolysis or electrophoresis
416Systems
447using electrophoresis
44756Apparatus specially adapted therefor
44773Multi-stage electrophoresis, e.g. two-dimensional electrophoresis
B01L 3/5025
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
3Containers or dishes for laboratory use, e.g. laboratory glassware
50Containers for the purpose of retaining a material to be analysed, e.g. test tubes
502with fluid transport, e.g. in multi-compartment structures
5025for parallel transport of multiple samples
B01L 3/502753
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
3Containers or dishes for laboratory use, e.g. laboratory glassware
50Containers for the purpose of retaining a material to be analysed, e.g. test tubes
502with fluid transport, e.g. in multi-compartment structures
5027by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
502753characterised by bulk separation arrangements on lab-on-a-chip devices, e.g. for filtration or centrifugation
B01L 7/525
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
7Heating or cooling apparatus
52with provision for submitting samples to a predetermined sequence of different temperatures, e.g. for treating nucleic acid samples
525with physical movement of samples between temperature zones
B01L 7/54
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
7Heating or cooling apparatus
54using spatial temperature gradients
B01L 2300/0838
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
2300Additional constructional details
08Geometry, shape and general structure
0832cylindrical, tube shaped
0838Capillaries
Applicants Ingeny Holding B.V.
Inventors De Vos Gerrit Johannis
Agents Johnson, Esq. Barbara E.
Title
(EN) Method and apparatus for detecting a mutation in a nucleic acid fragment in a sample
Abstract
(EN)

A method and apparatus for the detection of polymorphisms in a nucleic acid sample (e.g. blood, sperm, saliva, cells, . . . ). To enhance the efficiency and the reliability of the known methods (e.g. DGGE, SSCP and TGGE) the amplification process (e.g. PCR) preceding the actual detection step is performed in or on the polyacrylamide gel. Multiple gradients (of chemical denaturants, thermal denaturants and of porosity of the gel matrix) are used for the separation of DNA fragments, by zone electrophoresis on gel slabs or by capillary electrophoresis.