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WO2000040750A1 - Procede de sequençage d'adn a l'aide d'un dispositif microfluidique - Google Patents

Procede de sequençage d'adn a l'aide d'un dispositif microfluidique Download PDF

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Publication number
WO2000040750A1
WO2000040750A1 PCT/EP1999/010347 EP9910347W WO0040750A1 WO 2000040750 A1 WO2000040750 A1 WO 2000040750A1 EP 9910347 W EP9910347 W EP 9910347W WO 0040750 A1 WO0040750 A1 WO 0040750A1
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WO
WIPO (PCT)
Prior art keywords
dna
primer
deoxynucleotide
sample
reaction
Prior art date
Application number
PCT/EP1999/010347
Other languages
English (en)
Inventor
Anna Edman Orlefors
Kerstin Erickson
Esfir Lofman
Per Andersson
Per Johan Ulfendahl
Original Assignee
Gyros Ab
Pyrosequencing Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gyros Ab, Pyrosequencing Ab filed Critical Gyros Ab
Priority to AU19838/00A priority Critical patent/AU1983800A/en
Priority to JP2000592442A priority patent/JP2002534096A/ja
Priority to CA002357775A priority patent/CA2357775A1/fr
Priority to EP99963601A priority patent/EP1141401A1/fr
Priority to GBGB0011425.6A priority patent/GB0011425D0/en
Publication of WO2000040750A1 publication Critical patent/WO2000040750A1/fr
Priority to JP2001548221A priority patent/JP4791670B2/ja
Priority to EP00991793A priority patent/EP1242186B1/fr
Priority to AT00991793T priority patent/ATE329691T1/de
Priority to PCT/EP2000/013014 priority patent/WO2001047638A2/fr
Priority to AU35370/01A priority patent/AU3537001A/en
Priority to DE60028819T priority patent/DE60028819T2/de
Priority to EP00992452A priority patent/EP1239962B1/fr
Priority to AU44105/01A priority patent/AU4410501A/en
Priority to CA002395159A priority patent/CA2395159A1/fr
Priority to US10/169,056 priority patent/US7261859B2/en
Priority to JP2001546961A priority patent/JP4612262B2/ja
Priority to AT00992452T priority patent/ATE367204T1/de
Priority to PCT/EP2000/013145 priority patent/WO2001046465A2/fr
Priority to DE60035611T priority patent/DE60035611T2/de
Priority to US11/034,539 priority patent/US7332126B2/en

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    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Q—MEASURING 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
    • C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
    • C12Q1/68—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
    • C12Q1/6869—Methods for sequencing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/16—Surface shaping of articles, e.g. embossing; Apparatus therefor by wave energy or particle radiation, e.g. infrared heating

Definitions

  • a method, device and reagents for the high throughput sequencing of nucleic acids are provided.
  • This invention is based on a method for sequencing nucleic acids, a device for handling DNA containing samples, and a reagent kit, where the sequencing method is based on pyrosequencing.
  • DNA sequencing is an essential tool in basic molecular biology research. In the future it can be expected that DNA sequencing will be used in both diagnostic research as well as applied genome diagnostics.
  • the majority of de novo DNA sequencing is carried out with shot gun sequencing and with the enzymatic chain terminating method of Sanger.
  • the sequence is generated by the resolution, using gel electrophoresis, of DNA fragments which have been prepared by elongating predetermined oligonucleotide primers.
  • the separation of DNA fragments and the following analysis are cumbersome and great efforts have been made to automate these steps.
  • automated DNA sequencers are used in large scale genome projects there is a need for DNA sequencing devices with higher throughput, for both genome sequencing and routine clinical applications.
  • Pyrosequencing is a modified pyrophosphate (PPi)-based sequencing method in which PPi is detected by the release of light in the luciferase - luciferin reaction
  • reaction mixes are added to the reaction chamber, but since no solution is removed from the well, the reaction can only be done a limited number of times, thereby only generating short stretches of DNA sequences.
  • One of the major problems is to remove the excess of dNTP that can lead to misincorporation and dATP, which interferes with the light generation reaction.
  • WO 98/28440 describes the addition of a nucleotide degrading enzyme, e.g. apyrase, to deal with this.
  • APEX Arrayed Primer Extension
  • the present invention describes a method for sequencing DNA in a device with microfluidics properties and a set of reagents for its use.
  • This microfluidic device may be in form of a disc with radially extending microchannel structures (CD form) having an inner application area that may be common for one or more microchannel structures. By spinning the disc the liquid can be driven from an applicator area into reaction and/or detection are as closer to the periphery of the disc. Liquid transportation may thus be driven by centripetal force.
  • the microfluidic device may also have other geometrical forms.
  • the present invention provides a method for identifying the sequence of a portion of sample DNA, which method comprises: (i) forming immobilised double stranded DNA on one or more reaction areas in a microchannel structure of a microfluidic device; (ii) adding a known deoxynucleotide, (or the corresponding deoxynucleotide analogue or dideoxynucleotide) and a DNA polymerase to each of said one or more reaction areas so that extension of primer only occurs if there is a complementarity of the added deoxynucleotide or dideoxynucleotide with the strand of sample DNA that is part of the immobilised double stranded DNA; (iii) detecting whether or not the deoxynucleotide, deoxynucleotide analogue or dideoxynucleotide added in step (ii) has been added to the primer DNA in said one or more reaction areas, (iv) repeating
  • the double stranded DNA which after step (i) is present in the reaction area consists of one strand of primer DNA and one strand of sample DNA (template). One of the strands is firmly attached to the reaction area. At least one of the strands of sample DNA and primer DNA is different for at least two reaction areas within one and the same microfluidic device.
  • the immobilised double stranded DNA comprising template and primer may be formed outside the microfluidic device as described in the experimental part. In the most efficient variants, it is, however, believed that the immobilised double strand is formed within the microfluidic device, for instance in the reaction chamber, by introducing separately either single or double stranded sample DNA and primer DNA. In case double stranded sample DNA is introduced in step (i) above, or in the preferred aspects described later, it has to be denatured within the microfluidic device.
  • the added deoxynucleotide, deoxynucleotide analogue or dideoxynucleotide in step (ii) may be labelled or unlabelled. If it is labelled the label as such is measured. Any kind of label that can be incorporated in a nucleic acid strand by the polymerase can be used, for instance a fluorescent label. If the deoxynucleotide, deoxynucleotide analogue or dideoxynucleotide is unlabelled, nucleotide incorporation can be detected by measuring the amount of PPj released.
  • the amount of single stranded sample DNA that is immobilised is typically 0.1- 200 pmole but may also be as low as 1 atomole, for example 1 femtomole.
  • the number of reaction areas may be from two upwards. Typically it is below 500,000 such as below 100,000.
  • the length of the elongated part of the primer may be from one base upwards.
  • the elongated part of the primer is one nucleotide, for example, when using a labelled terminator e.g. dideoxynucleotide. This means that the repeating step (iv) is run at most three times.
  • the present invention comprises:
  • the present invention provides a method for identifying the sequence of a portion of sample DNA, which method comprises:
  • the sample DNA to be loaded onto the microfluidic device may be an amplified sample and/or may be amplified within the microfluidic device. Amplification may involve introduction of a tag suitable for attaching the amplified DNA to a solid support.
  • the present invention may be applied to all fields where DNA or RNA are sequenced. These are de novo sequencing, resequencing of known sequences for monitoring mutation or base changes, sequencing of sequence polymo ⁇ hisms and mini-sequencing where only one base is determined (including arrayed primer extension (APEX). Furthermore, the present invention may be applied to situations where the identity of a number of polymorphs is determined at the same time (see for example European Patent application 99303215.0).
  • the DNA to be sequenced can be of any origin: animal, plant, bacterial, or viral. This DNA can be amplified either in the device or before it is loaded onto the device.
  • the microfluidic device of the present invention may be analogous to those described in the literature, see patent application WO97/21090 filed by Gamera BioScience, and is preferably in the form of a disc, where the fluids are moved by centripetal forces see for example co-pending application GB 9809943.5.
  • the device preferably has a sample loading or application area with one or more reaction chambers and a detection chamber.
  • a reaction can be performed in the detection chamber, and any light reaction can be detected directly when it occurs.
  • the flow between these can be steered by different types of barriers, like narrowed transport channels, different mechanical barriers or by surface interactions between the walls and the solution. These interactions can be of hydrophobic - hydrophilic character.
  • Kit of reagents
  • Sequencing enzymes can also be mixed with the buffer dCTP, dGTP, dTTP in separate buffers dATP S in buffer
  • reagents can also be stored in a dried state e.g. glacified, direct in the disc and the reagents will then be activated first after addition of water.
  • thermostable DNA polymerase or another thermostable DNA polymerase for amplification and/or sequencing reactions e.g. Taq or other thermostable DNA polymerases
  • Illustrative DNA polymerases are Klenow fragment polymerases. Sequenases and other 3 '-5' exo- DNA polymerases, and Taq DNA polymerases and other thermostable polymerases. 3'-5' exo- DNA polymerases are preferred.
  • Amplification reactions on sample DNA may be performed within the microfluidic device or outside it before the sample DNA is loaded onto the device.
  • a kit according to the invention comprises a microfabricated device, preferably in form of a disc with radially extending microchannel structures, in combination with one, two or three of (a) Luciferase, (b) DNA polymerase, and (c) ATP sulfurylase, optionally combined with any of the above-mentioned ingredients, with preference for one or more ingredients that relate to anyone of (a)-(b) as a substrate.
  • the method of loading reagents and liquids to the microfluidic device can be with a dispenser, or a mechanical device for "picking" the different samples.
  • the loading device should be able to load the different application spots onto the spinning device, preferably during the spinning of the device.
  • the sample After the loading of the sample, it will be transferred by the centripetal force to the reaction chamber.
  • the sample In the reaction chamber the sample should be attached to a wall of the reaction chamber. If the sample is a DNA fragment, it can be attached to a surface of the reaction chamber in one of the following ways.
  • the tag can preferably be biotin or any other suitable tag described in the literature and suitable for attaching the tagged substance to a solid support.
  • the surface in the reaction chamber should be activated with a substance to quickly and effectively bind to the DNA tag, preferably streptavidin will be used when the tag is biotin.
  • the surface in the chamber can also be enlarged by the use of beads or other surface enlargement groups or structures, for example agarose or polystyrene-divinyl benzene beads (Sepharose or Source, respectively, Amersham Pharmacia Biotech AB) that are retained in the chamber, for instance by being glued to the wall of the reaction chamber.
  • the beads or the enlargement groups may then carry the appropriate affinity group for catching the tagged DNA, for instance strepavidin in case the tag is biotin.
  • a second way to bind the DNA to the surface is by attaching the primer before amplification and then to perform the amplification of the sample DNA in the reaction chamber. With this approach additional coupling chemistries can be used to link the primer to the surface, such as an aminolinker on the primer with an epoxysilane treated surface.
  • a third way is to select the DNA sample of interest with attached primer(s). These can then be used for both attachment and act as sequencing primers, simultaneously. With this approach, the sample DNA needs to be fragmented prior to the hybridisation to the primers in the reaction chamber, following this hybridisation, the primer is extended.
  • An advantage with this method is that several or many hundred different primers can be attached in the reaction chamber and these can be made in such a way that they cover different parts of the DNA fragment of interest, thereby the whole DNA fragment can be sequenced in one step.
  • the distance on an unfragmented DNA molecule between sequences binding to different primers can vary between 1 to 500 bases and is most preferably 5-50 bases apart.
  • Binding of DNA to the reaction area may be by covalently linking one of the strands, preferably the primer, directly to the surface of a reaction area or via a specific adso ⁇ tion such as via biotin-avidine as described above and other affinity pairs providing a sufficient binding to each other.
  • a specific adso ⁇ tion such as via biotin-avidine as described above and other affinity pairs providing a sufficient binding to each other.
  • the sample DNA When the sample DNA is attached to the surface it should be denatured, this can be achieved by several methods for example, hydrogen bond breaking agents, high pH or high temperature.
  • the preferred method is denaturing the DNA with high pH, preferably by using sodium hydroxide. Denaturation can take place either outside or inside the microfluidic device.
  • the following step in the invention is the elongation where DNA polymerase is added together with primer; optionally the primer can be added prior to the other compounds.
  • the other reagents are ATP sulphurylase, luciferase, L- and D- luciferin and APS and one of the nucleotide triphosphates, dATP ⁇ S, dCTP, dGTP or dTTP. These are added sequentially, i.e. a mix with dATP ⁇ S and the other reagents, followed by a detection step and finally a wash, this is followed by dC, and then dG, and then dT or any other predetermined order.
  • PPi can be determined by many different methods and a number of enzymatic methods have been described in the literature (Reeves et al, (1969), Anal. Biochem., 28, 282-287; Guillory et al, (1971), Anal. Biochem., 39, 170-180; Johnson et al, (1968), Anal. Biochem., 15, 273; Cook et al, (1978), Anal. Biochem., 91, 557-565; and Drake et al, (1979), Anal. Biochem., 94, 117-120).
  • luciferase and luciferin in combination to quantify the release of pyrophosphate since the amount of light generated is substantially proportional to the amount of pyrophosphate released which, in turn, is directly proportional to the amount of base inco ⁇ orated.
  • the amount of light can readily be estimated by a suitable light sensitive device such as a luminometer, or a photomultiplying device in close proximity to the device of the present invention.
  • Luciferin-luciferase reactions to detect the release of PPi are well known in the art.
  • a method for continuous monitoring of PPi release based on the enzymes ATP sulphurylase and luciferase has been developed by Nyren and Lundin (Anal. Biochem., 151, 504-509, 1985) and termed ELIDA (enzymatic Luminometric Inorganic Pyrophosphate Detection Assay).
  • the method may however be modified, for example by the use of a more thermostable luciferase (Kaliyama et al, 1994, Biosci. Biotech. Biochem., 58, 1170-1171) and/or ATP sulfurylase (Onda et al, 1996, Bioscience, Biotechnology and Biochemistry, 60:10, 1740-42). This method is based on the following reactions:
  • the preferred detection enzymes involved in the PPi detection reaction are thus ATP sulphurylase and luciferase.
  • the method of the invention may be performed in two steps, as described for example in WO 93/23564 and WO 89/09283, firstly a polymerase reaction step, i.e. a primer extension step, wherein the nucleotide(s) are inco ⁇ orated, followed by a second detection step, wherein the release of PPi is monitored or detected, to detect whether or not a nucleotide inco ⁇ oration has taken place.
  • samples from the polymerase reaction mix 0 may be removed and analysed by the ELIDA e.g. by adding an aliquot of the sample to a reaction mixture containing ELIDA enzymes and reactants.
  • the method of the invention may readily be modified to enable the sequencing (i.e. base inco ⁇ oration) reactions to be 5 continuously monitored in real time. This may simply be achieved by performing the chain extension and detection, or signal-generation, reactions substantially simultaneously by including the "detection enzymes" in the chain extension reaction mixture.
  • the reaction mix for the polymerase reaction may thus include at least nucleotide (deoxy- or dideoxy), polymerase, luciferin, APS, ATP sulphurylase and luciferase together with an optional nucleotide-degrading enzyme e.g. apyrase.
  • the polymerase reaction may be initiated by addition of the polymerase or, more preferably the nucleotide.
  • the detection enzymes are already present at 5 the time the reaction is initiated, or they may be added with the reagent that initiates the reaction.
  • the volumes of reagents are in the range of -, occasional nanolitres compared to microlitres in the 96 well format. This will reduce the consumption of reagents a thousand fold or more.
  • Figure 1 A schematic drawing of the fluidic channels in the spinning device. Samples are loaded either by a mechanical device or a piezo dispenser. The reaction chamber and the detection chamber can be the same. The outlet from the chamber/s will have some barrier to stop the fluid to move during the spinning. This barrier can be a hydrophobic surface.
  • Figure 2 Loading a CD from a liquid train.
  • the train is loaded from the MTP (microtiter plate) and each sample (black in the diagram) is separated with air or an inert solution, a wash solution can also be included.
  • MTP microtiter plate
  • each sample black in the diagram
  • a wash solution can also be included.
  • a high pressure is applied in the same or opposite flow direction and samples will then be dispensed through the piezo dispenser on to application areas of the CD surface.
  • Figure 3 A schematic drawing of a mechanical device for loading a spinning device.
  • the applicator means may be in the form of pens or syringes.
  • Figure 4a-d show various parts and enlargements of the microchannel structures that have been used for proof of the principle utilised in the present invention.
  • Figure 4a shows the peripheral part of a circular disc.
  • the shown part have five microchannel structure extending radially outwards.
  • Figure 4b shows an enlarged view of microchannel structure K9.
  • Figure 4c shows an enlarged view of the sample volume definition unit in a microchannel structure.
  • Figure 4d shows an enlarged view of the reaction chamber area plus chambers for disposal of waste liquids. In particular this figure indicates variations in depth (shadowed parts I, II, III and IV).
  • Adenosines 5' phosphosulphate (APS) Sigma dATP ⁇ S : Amersham Pharmacia Biotech
  • PPase pyrophosphatase Sigma dCTP, dTTP, dGTP: Amersham Pharmacia Biotech (PPi free)
  • Binding Washing Buffer (BW): 1M NaCI, 5mM Tris-HCI (pH 7.5),
  • TE Buffer lOmM Tris-HCI, ImM EDTA (pH 7.6)
  • TAE Buffer 0,04M Tris-Acetate (7.8), mM EDTA
  • Particles Source beads to which strepavidin has been attached; 15 ⁇ m (APB)
  • Template a 50-mer oligonucleotide with known sequence tagged with biotin in the 3' end.
  • the microchannel structures (K7-K12) in figures 4a-d are arranged radially on a microfluidic disc. They start from a common annular inner application channel (1) and end in a common annular outer waste channel (2), coaxial with channel (1). Each inlet opening (3) of the microchannel structures may be used as an application area. Each microchannel structure is provided with a waste chamber (4) that opens into the outer waste channel (2). The flow direction is from the inlet openings (1) to the waste chamber (4). Flow is driven both by capillary action and centripetal force, i.e. by spinning the disc. Radial waste channels (5) directly connecting the annular inner channel (1) with the annular outer waste channel (2) are also shown.
  • Liquid passes from the inlet opening (3) via an entrance port (6) into a volume defining unit (7) and from there to a reaction chamber (10).
  • the volume defining unit (7) has a passage into a waste channel (8) for removing excess liquid, e.g. to the annular outer waste channel (2), and a vent (9) which opens into open air.
  • the reaction chamber (10) may become shallower (IJI IIJV) (Fig 4d and Table) at the outlet end.
  • a restricted channel (11) is provided between the reaction chamber (10 and the waste chamber (4). Due to the relatively large width of the waste chamber (4), there are preferably one or more supports (12) to ensure the rigidity of the chamber.
  • the volume defining unit (7) is U-shaped as shown in figure 4a-c with the entrance port (6) opening into the top of one of the legs of the U and the waste channel (8) starting from the other leg of the U, with a vent (9) placed at the top of this other leg.
  • the bottom of the U-formed volume defining unit (7) is connected to the reaction chamber (10).
  • a hydrophobic break is preferably provided at the connection (16) of the reaction chamber (10) to the volume defining unit (7).
  • the outer annular waste channel (2) may be sectioned so as to collect waste from a predetermined number of closely located microchannel structures.
  • Hydrophobic breaks were introduced by marking with an over-head pen (permanent ink) (Snowman pen, Japan): (a) between microchannel structure inlets (3) in the inner annular application channel (1), (b) each opening (15) into the outer annular waste channel (i.e. the openings of the waste chambers) and, (c) if present, also the radial waste channels (5) which connect the inner annular application channel (1) and the outer annular waste channel (2), and also the waste channel (8) which guides away excess liquid from the volume defining unit (7).
  • an over-head pen permanent ink
  • a polycarbonate (polycarbonate of bisphenol A. Macrolon DP-1265, Bayer AG, Germany) disc as described above was placed in a plasma reactor (Plasma Science PS0500, BOC Coating Technology, USA) and treated with an oxygen plasma at 5 seem gas flow and 500 W RF power for 10 min. After venting the reactor, the disc was immersed in a 0.1% solution of the PEG-PEI adduct in borate buffer pH 9.5 for 1 h. The disc was then rinsed with distilled water, blown dry with nitrogen and the water contact angle (sessile drop) was measured on a Rame-Hart manual goniometer bench. The average of six equilibrium measurements (three droplets) was 24 degrees. An XPS spectrum of the treated surface gave the following molar elemental composition: 73.2%C, 3.7%N, 23.1%O, showing that the surface was essentially covered by the adsorbed PEG-PEI adduct.
  • the microchannel structure was covered with a silicone rubber lid.
  • Streptavidin-Source 15 ⁇ m particles Source 15 ⁇ m particles were oxidised with periodate, coupled with 6-aminohexanoic acid and further reacted with N- hydroxy-succinimid. Streptavidin (8mg/ml particles) was coupled to the NHS- activated particles at pH 8. Biotin capacity: 0.4 mmol/ml.
  • the particles with immobilised DNA were applied as a 2% slurry to a column just before section I (about 8 nl) of the reaction chamber (10) of the microchannel structure described in figure 4.
  • test tubes used to prepare the mix were washed with 99% EtOH followed by milliQ, and dried upside down overnight.
  • the Pyrosequencing mix (50 ⁇ l) was prepared from the following:
  • Pyrosequencing mixes with nucleotides ordered in accordance with the template sequence were distributed with intermediate TAE washing to the applicator area (3). Replacement of reagents was accomplished by spinning the disc. The pyrosequencing reaction in the CD device was measured in the detector Ppyl : 1. The reaction chamber functioned as the detection chamber.
  • reaction chamber was then filled with a solution of double stranded DNA (primer DNA hybridised to template DNA, 5pmol/ ⁇ l) and incubated for 20-30 minutes to immobilise the double-stranded DNA.
  • the channels were then washed twice with TAE.
  • Stepwise primer extension and detection of nucleotide insertion See example

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Abstract

L'invention porte sur un procédé de séquencage d'ADN à l'aide d'un dispositif microfluidique et de son ensemble de réactifs, pouvant consister en un disque muni de micro-canaux radiaux (en forme de CD) et présentant une zone intérieure d'application pouvant être commune à l'un ou plusieurs des micro-canaux. Lorsque le disque tourne, le liquide est entraîné de la zone d'application vers le la zone de réaction/détection plus proche de la périphérie, la migration du liquide de faisant sous l'effet de la force centrifuge. Le susdit dispositif peut également présenter d'autres formes géométriques, et on peut dans le cadre de l'invention recourir à différentes méthodes pour déterminer une séquence d'ADN, la préférée consistant à déterminer en temps réel le pyrophosphate libéré, à l'aide de la réaction luciférase-luciférine.
PCT/EP1999/010347 1998-12-30 1999-12-23 Procede de sequençage d'adn a l'aide d'un dispositif microfluidique WO2000040750A1 (fr)

Priority Applications (20)

Application Number Priority Date Filing Date Title
AU19838/00A AU1983800A (en) 1998-12-30 1999-12-23 Method for sequencing dna using a microfluidic device
JP2000592442A JP2002534096A (ja) 1998-12-30 1999-12-23 マイクロフルイド装置を使用するｄｎａをシークエンシングするための方法
CA002357775A CA2357775A1 (fr) 1998-12-30 1999-12-23 Procede de sequencage d'adn a l'aide d'un dispositif microfluidique
EP99963601A EP1141401A1 (fr) 1998-12-30 1999-12-23 Procede de sequen age d'adn a l'aide d'un dispositif microfluidique
GBGB0011425.6A GB0011425D0 (en) 1999-12-23 2000-05-12 Integrated microfluidic disc
DE60028819T DE60028819T2 (de) 1999-12-23 2000-12-20 Verfahren zur behandlung einer matrixnukleinsäure unter verwendung einer integrierten mikrofluidischen platte
PCT/EP2000/013014 WO2001047638A2 (fr) 1999-12-23 2000-12-20 Disque a structures microfluidiques integrees
EP00991793A EP1242186B1 (fr) 1999-12-23 2000-12-20 Méthode de traitement d'acide nucleique matrice par utilisation d'un disque a structures microfluidiques integrees
AT00991793T ATE329691T1 (de) 1999-12-23 2000-12-20 Verfahren zur behandlung einer matrixnukleinsäure unter verwendung einer integrierten mikrofluidischen platte
JP2001548221A JP4791670B2 (ja) 1999-12-23 2000-12-20 統合された微小流体ディスク
AU35370/01A AU3537001A (en) 1999-12-23 2000-12-20 Integrated microfluidic disc
DE60035611T DE60035611T2 (de) 1999-12-23 2000-12-22 Mikrofluid-analysevorrichtung
AU44105/01A AU4410501A (en) 1999-12-23 2000-12-22 Microanalysis device
EP00992452A EP1239962B1 (fr) 1999-12-23 2000-12-22 Dispositif de microanalyse
CA002395159A CA2395159A1 (fr) 1999-12-23 2000-12-22 Dispositif de microanalyse
US10/169,056 US7261859B2 (en) 1998-12-30 2000-12-22 Microanalysis device
JP2001546961A JP4612262B2 (ja) 1999-12-23 2000-12-22 ミクロ分析装置
AT00992452T ATE367204T1 (de) 1999-12-23 2000-12-22 Mikrofluid-analysevorrichtung
PCT/EP2000/013145 WO2001046465A2 (fr) 1999-12-23 2000-12-22 Dispositif de microanalyse
US11/034,539 US7332126B2 (en) 1999-12-23 2005-01-13 Integrated microfluidic disc

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9828785.7 1998-12-30
GBGB9828785.7A GB9828785D0 (en) 1998-12-30 1998-12-30 Sequencing systems

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WO2000040750A1 true WO2000040750A1 (fr) 2000-07-13

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