WO2003062793A2 - Analysis device - Google Patents
Analysis device Download PDFInfo
- Publication number
- WO2003062793A2 WO2003062793A2 PCT/US2003/001942 US0301942W WO03062793A2 WO 2003062793 A2 WO2003062793 A2 WO 2003062793A2 US 0301942 W US0301942 W US 0301942W WO 03062793 A2 WO03062793 A2 WO 03062793A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- membrane
- analysis device
- support
- integrally bonded
- microporous
- Prior art date
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- B01J2219/0072—Organic compounds
- B01J2219/00725—Peptides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
- B01J2219/00718—Type of compounds synthesised
- B01J2219/0072—Organic compounds
- B01J2219/0074—Biological products
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/12—Specific details about manufacturing devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0809—Geometry, shape and general structure rectangular shaped
- B01L2300/0819—Microarrays; Biochips
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
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- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/755—Membranes, diaphragms
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- C—CHEMISTRY; METALLURGY
- C40—COMBINATORIAL TECHNOLOGY
- C40B—COMBINATORIAL CHEMISTRY; LIBRARIES, e.g. CHEMICAL LIBRARIES
- C40B40/00—Libraries per se, e.g. arrays, mixtures
- C40B40/04—Libraries containing only organic compounds
- C40B40/06—Libraries containing nucleotides or polynucleotides, or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C40—COMBINATORIAL TECHNOLOGY
- C40B—COMBINATORIAL CHEMISTRY; LIBRARIES, e.g. CHEMICAL LIBRARIES
- C40B40/00—Libraries per se, e.g. arrays, mixtures
- C40B40/04—Libraries containing only organic compounds
- C40B40/10—Libraries containing peptides or polypeptides, or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C40—COMBINATORIAL TECHNOLOGY
- C40B—COMBINATORIAL CHEMISTRY; LIBRARIES, e.g. CHEMICAL LIBRARIES
- C40B60/00—Apparatus specially adapted for use in combinatorial chemistry or with libraries
- C40B60/14—Apparatus specially adapted for use in combinatorial chemistry or with libraries for creating libraries
Definitions
- This invention relates to analysis devices comprising membranes integrally bonded to non-porous polymeric supports.
- biomolecules such as nucleic acids or proteins
- a binding agent such as a complementary nucleic acid probe or antibody that will specifically bind to the biomolecule
- a binding agent can be immobilized on the solid surface and the biomolecule in the sample can be placed in contact with the binding agent to form a complex.
- the binding agent may be labeled before use and/or one or more labels may be added to the complex.
- binding agents e.g., nucleic acid probes or anti-antibodies
- labeling reagents can also be utilized.
- the label that is bound to the complex is subsequently detected, thus indicating the presence of the biomolecules of interest.
- Analysis devices have been developed wherein small volumes of fluid e.g., containing the sample or a binding agent are deposited (typically by printing or ink jetting) at predetermined locations on the solid surface, and the other member(s) of the complex is subsequently added to the location in a similar manner so the complex can be formed. Some devices allow the binding agent to be synthesized on the surface before the sample is added. These devices, having material deposited in a microarray pattern, allow numerous samples to be analyzed simultaneously, and are particularly suitable for automated analysis. [0005] However, analysis devices have suffered from a number of drawbacks. For example, some solid surfaces have exhibited insufficient and/or inconsistent binding capacity or binding efficiency.
- an analysis device comprising a microporous membrane integrally bonded to a non-porous polymeric injection-molded support.
- a preferred embodiment of the analysis device comprises a microporous membrane having a thickness reduced by at least about ten percent when compared to the thickness of the microporous membrane before bonding it to the support.
- the membrane also has a pore structure reduced by at least about ten percent when compared to the pore structure of the microporous membrane before bonding it to the support.
- Embodiments of the invention are particularly useful as microarray devices, e.g., wherein samples containing nucleic acids to be tested or evaluated, and nucleic acids containing nucleotide sequences complementary to those of the nucleic acids to be tested or evaluated, are deposited in a microarray pattern on a first surface of the membrane, and complexes formed between the complementary sequences are detected.
- the microarray devices can be used in automated protocols, e.g., they are compatible with conventional scanning and analysis equipment.
- Figure 1 is a diagrammatic top view of an embodiment of the analysis device of the present invention showing a microporous membrane integrally bonded to a non-porous polymeric injection-molded support.
- Figure 2 is a diagrammatic side view of an embodiment of the analysis device of the present invention, wherein a surface of the support has a raised portion contacting a surface of the membrane.
- Figure 3 is a diagrammatic side view of another embodiment of the analysis device of the present invention, wherein a surface of the support does not have a raised portion contacting a surface of the membrane.
- Figure 4 is a diagrammatic cross-sectional view of embodiments of empty molds for forming an analysis device of the present invention, showing a core half (the membrane-receiving portion of the mold) and a cavity half (the polymer-injecting portion of the mold).
- Figure 4a shows a core half and a cavity half
- Figure 4b shows another embodiment of a cavity half.
- Figure 5 is a magnified top view of a nylon membrane before being integrally bonded to the support ( Figure 5a, magnification 4000x, 0.2 ⁇ average pore size) and after being integrally bonded to the support ( Figure 5b; magnification 4000x), showing the reduction in pore structure in the bonded membrane compared to the non-bonded membrane.
- Figure 6 is a magnified cross-sectional view of a nylon membrane before being integrally bonded to the support ( Figure 6a, magnification 860x, 0.2 ⁇ average pore size, the thickness of the membrane shown by the arrows) and after being integrally bonded to the support ( Figure 6b, magnification lOOOx, the thickness of the membrane shown by the arrows), showing the reduction in thickness, voids volume, and pore structure in the bonded membrane compared to the non-bonded membrane.
- an analysis device comprises a microporous membrane integrally bonded to a non-porous polymeric injection-molded support.
- the thickness of the bonded membrane is reduced as compared to the thickness of the membrane before the integral bond is formed, e.g., the heat and pressure of injection molding compresses the membrane while providing an integral bond between a surface of the membrane and a surface of the support.
- the microporous membrane has a first surface and a second surface, and a bulk disposed between the first and second surfaces, the bulk having a thickness, wherein the bulk thickness of the membrane is reduced (preferably by at least about 10%) by the heat and pressure of injection molding when compared to the bulk thickness of the membrane before the injection-molded support is formed.
- a surface of the support has a raised portion, and the raised portion is integrally bonded to a surface of the membrane.
- an analysis device comprises a microporous membrane integrally bonded to a non-porous polymeric injection-molded support, wherein the microporous membrane comprises a polymeric membrane having a pore structure (e.g., an average pore size, a nominal pore size, or an average pore diameter) that is reduced, preferably by at least about ten percent, when compared to the pore structure of the microporous polymeric membrane before bonding it to the support.
- a pore structure e.g., an average pore size, a nominal pore size, or an average pore diameter
- the compressed membrane e.g., having a reduced thickness and pore structure, reduces the diffusion of the sample and the binding agent(s), while maintaining sufficient binding capacity, thus optimizing analysis.
- An analysis device provided by another embodiment of the invention comprises a microporous membrane integrally bonded to a non-porous polymeric support by injection molding.
- the analysis device can have any suitable dimensions, in one embodiment, the analysis device has the general dimensions of a standard microscope slide. Preferably, the device is compatible with automated analysis equipment. Additionally, analysis devices according to the present invention are simple to manufacture and are especially suited to automated fabrication.
- a method for making an analysis device comprises placing a membrane having a first surface and a second surface in a mold core half, placing the mold core half in contact with a mold cavity half, injecting a polymer into the mold cavity half such that the polymer contacts the second surface of the membrane, and forming an analysis device comprising a microporous membrane having a first surface and a second surface and a non-porous injection-molded support having a first surface and a second surface, wherein the second surface of the membrane is integrally bonded to the second surface of the support.
- an analysis device is produced by the process comprising positioning a first surface of a microporous membrane adjacent a surface of an injection mold and injecting a polymer into the injection mold to form an injection molded support and integrally bond a second surface of the microporous membrane to the injection molded support.
- polymer injected into the mold flows into at least some of the pores of the microporous membrane and integrally bonds the membrane to the injection-molded support.
- a method of bonding a microporous membrane to a non-porous polymeric support comprising positioning a first surface of a microporous membrane adjacent a surface of an injection mold, and injecting a polymer into the injection mold to form an injection molded support integrally bonded to a second surface of the microporous membrane.
- Embodiments of analysis devices according to the invention have a variety of applications, especially in hybridization assays and immunoassays, including, but not limited to, arrays (e.g., microarrays, including but not limited to those described in Friend et al, Scientific American, February:44-53(2002), Marshall et al., Nature Biotechnology, 16:27-31 (1998), and Schena, M. et al, Trends in Biotechnology, 75:301-306(1998)).
- Embodiments of the invention are compatible with automated and semi-automated protocols, as well as high throughput applications, and are especially suitable for bioinformatics applications, e.g., for data mining and data visualization.
- hybridization assays that can include, for example, mRNA abundance analyses, determining the presence and/or sequence of genes, monitoring levels of gene expression, and determining the presence or absence of known or new mutations in gene sequences, e.g., SNP genotyping
- numerous probes and samples are deposited in a microarray pattern on a single analysis device, and the complexes are subsequently detected essentially simultaneously, e.g., via automated analytical protocols.
- a hybridization method for analyzing biomolecules comprises providing (e.g., depositing) at least one binding agent comprising one or more probe nucleic acids having nucleotide sequences on a first surface of a microporous membrane of an analysis device such that the one or more probe nucleic acids are immobilized, the probe nucleic acid nucleotide sequences being complementary to a nucleotide sequence of at least one biomolecule of interest, the analysis device comprising the microporous membrane integrally bonded to a non-porous polymeric injection-molded support, the membrane having a first surface for receiving the probe nucleic acids and a sample containing the biomolecule, the membrane having a second surface integrally bonded to a surface of the support; depositing at least one sample containing the biomolecule onto the first surface of the membrane such that the biomolecule contacts the probe nucleic acid and a complex is formed between the probe nucleic acid nucleotide sequence and the complementary nucleotide sequence of the
- the at least one sample containing the at least one biomolecule of interest is initially placed on the first surface of the membrane and immobilized, and one or more probes are subsequently deposited on the membrane such that one or more complexes are formed, and subsequently detected.
- Other embodiments of the invention include, for example, immunoassays, e.g., wherein a binding agent comprising at least one antibody is initially deposited on the first surface, and at least one sample is subsequently deposited to form a complex, or wherein at least one sample is initially deposited, and a binding agent comprising an antibody is subsequently deposited to form a complex.
- a plurality of biomolecules and binding agents are deposited, and a plurality of complexes are formed and subsequently detected.
- additional reagents e.g., one or more binding agents (including, for example, anti-antibodies and/or specific binding agents), or labels
- binding agents including, for example, anti-antibodies and/or specific binding agents
- labels can be utilized, e.g., to form a complex, or to label a complex.
- labels e.g., radioactive, fluorescent, or chemiluminescent
- a variety of labels including a plurality of distinguishable labels when two or more labels are used in an assay, can be utilized as is known in the art.
- the analysis device 10 includes a polymeric non-porous injection- molded support 12 having a first surface 13 and a second surface 14, and a microporous membrane 16 for receiving the binding agent(s) and biomolecules, the membrane 16 having a first surface 17 and a second surface 18, wherein the microporous membrane 16 is integrally bonded to the polymeric support 12.
- the polymeric support 12 includes a raised portion or "step" 20, wherein the microporous membrane 16 is integrally bonded thereto.
- the polymeric support 12 does not include a raised portion.
- integrally bonded means (using Figures 1 and 3 for reference) a surface of the membrane, surface 18, is bound to a surface of the support, surface 13, without a separate adhesive or adhesive layer interposed between the membrane 16 and the support 12.
- the microporous membrane comprises a composite, e.g., the membrane comprises a membrane layer that receives the deposited binding agent(s) and biomolecules, and an additional layer such as an additional membrane or a film bound thereto, wherein a surface of the additional membrane layer or film layer is integrally bonded to a surface of the polymeric non-porous injection molded support.
- FIG. 4a A diagrammatic cross-sectional view of an embodiment of a mold 30 comprising a mold cavity half 60 and a mold core half 40 for forming an analysis device according to the present invention is illustrated in Figure 4a, and Figure 4b shows another embodiment of a mold core half 40.
- the mold cavity half 60, through which the polymer is injected, and the mold core half 40, which receives the membrane and the injected polymer, are cooperatively configured to contact each other and form a mold cavity therebetween.
- the mold cavity half remains stationary, and the mold core half is movable, i.e., the core half is placed in contact with the mold cavity to close the mold, and moved away from the mold cavity to open the mold.
- the mold core and mold cavity halves can be oriented and operated as is known in the art, e.g., vertically, or horizontally. Additionally, the membrane can be retained in the mold core half as is known in the art, e.g., using vacuum, gravity, or retractable pins. [0035] In accordance with the embodiment illustrated in Figure 4a, the mold cavity formed by the mold cavity half 60 and the mold core half 40 has a substantially rectangular shape and thickness corresponding to the support 12 of analysis device 10 shown in Figure
- the mold cavity may have any desired configuration in accordance with the desired configuration of the polymeric support.
- the configuration corresponds to the support 12 of analysis device 10 shown in Figure 3.
- the membrane-retaining section of the mold core half 40 typically includes a mold face 42, a polymer-receiving cavity 44, and a membrane-receiving surface 46.
- the membrane-retaining section of the illustrated embodiment of the mold core half 40 also includes a vacuum channel 50, and at least one port or opening 52 communicating with the vacuum channel 50 and a vacuum source (not shown).
- the membrane-receiving surface 46 includes the opening 52.
- the membrane-receiving surface 46 is formed in a pocket or depression 48 in the mold core half 40.
- the pocket 48 corresponds generally to the shape of the microporous membrane, although the pocket 48 may alternatively have other configurations.
- the pocket 48 when filled with polymer forms a "step" on the support, for example, corresponding to the step 20 seen in the analysis device illustrated in Figure 2.
- the mold core half 40 may not include a pocket 48, thus providing, for example, the analysis device support 12 illustrated in Figure
- the membrane-receiving surface 46 may comprise a substantially flat region in a rear-wall 45 of the polymer-receiving cavity 44.
- the polymer-injecting section of the mold cavity half 60 preferably includes a mold face 62 including at least one opening, channel, or nozzle 66 through which polymer is injected into the mold 30.
- the opening 66 may be configured to sealingly engage a nozzle or may have any suitable configuration for injecting a polymer.
- the mold cavity half 60 and/or mold core half 40 can be configured to provide, for example, a support with an indented portion on the lower surface (e.g., to avoid scratches) and/or a support with finger indents for ease in handling.
- the first surface 17 of the microporous membrane 16 is positioned, either manually or automatically, against the membrane-receiving surface 46 of the mold core half 40.
- the membrane is held in place by the suction generated by the vacuum source.
- the mold core half 40 is moved toward the mold cavity half 60 so that the core half face 42 and the cavity half face 62 are in contact.
- the mold halves are held tightly together forming a fluid-tight mold cavity.
- Molten polymer is injected into the mold cavity at an elevated pressure, filling the portion of the mold core half 40 ( Figure 4a, also including the pocket or depression 48; and Figure 4b) adjacent the microporous membrane 16, forming a support 12 having the shape of the mold cavity 32, and integrally bonding the second surface 18 of the microporous membrane 16 to the first surface 13 of the support 12.
- the mold core half 40 is subsequently moved away from the mold cavity half 60 such that the mold is opened, and the formed analysis device is removed.
- the injection molding process is carried out as is known in the art, and the selection of the appropriate conditions for the polymer, e.g., temperature and pressure, are matters of routine choice to the ordinary artisan.
- the mold core half 40 does not include a vacuum chamber.
- the microporous membrane can be held in place by one or more retractable pins (not shown).
- the microporous membrane can be held in place by gravity.
- the membrane comprises a composite
- the membrane comprises a membrane layer that receives the deposited binding agent(s) and biomolecule(s), and an additional layer such as an additional membrane or a film bound thereto
- the additional layer that can be more thermally resistant, and can comprise a different polymer than the membrane receiving the deposited material
- the membrane layer for receiving the binding agent(s) and biomolecule(s) provides thermal insulation between the membrane layer (for receiving the binding agent(s) and biomolecule(s)) and the molten polymer while the analysis device is being formed.
- the membrane layer for receiving the binding agent and biomolecules may otherwise be affected by the temperatures utilized during injection molding.
- the composite membrane is arranged in the mold core half 40 such that the molten polymer contacts the additional layer (rather than the membrane layer for receiving the binding agent and biomolecules) resulting in an integral bond between the additional layer and the injection-molded support.
- the microporous membrane or the microporous membrane layer for receiving the binding agent and biomolecules
- the microporous membrane thickness is preferably reduced by at least about 10%, more preferably by at least about 20%.
- the membrane thickness is reduced by at least about 30%, or by at least about 50%. Compressing the membrane not only reduces the thickness, but can also reduce the membrane pore structure (e.g., the average pore size, the nominal pore size, or the average pore diameter).
- the pore structure (e.g., the average pore size) of the microporous membrane is preferably reduced by at least about 10%, more preferably by at least about 20%.
- the average pore size is reduced by at least about 30%), or by at least about 50%.
- the average pore size is reduced by 75%o, or more.
- the void volume of the membrane can also be reduced, e.g., by about 10% or more, in some embodiments, at least about 20%> or more.
- Figures 5 and 6 show an embodiment wherein the thickness and the average pore size of the membrane is reduced by at least about 50% after forming the integral bond ( Figures 5b and 6b).
- a variety of membranes, preferably microporous polymer membranes, are suitable for use in the invention.
- suitable polymers include polyaromatics, sulfones (including polysulfones such as aromatic polysulfones, for example, ⁇ polyethersulfone, bisphenol A polysulfone, polyarylsulfone, and polyphenylsulfone), polyolefms, polystyrenes, polycarbonates, polyamides (e.g., nylon, including nylon 6, 6T, 11, 46, 66, and 610), polyimides, polyvinylidene fluoride, fluoropolymers, cellulosic polymers such as cellulose acetates and cellulose nitrates, and PEEK. Polyethersulfone and nylon are particularly preferred.
- Suitable membranes can be unmodified or modified to include a surface charge, e.g., a positive or negative charge, or to alter the polarity or hydrophilicity of the surface. Examples of such modifications include grafting, e.g., irradiation, a polar or charged monomer, coating and/or curing the surface with a charged polymer, and carrying out conventional chemical modification to attach functional groups on the surface.
- the membranes can be suitable for binding the biomolecules through covalent interaction, or non-covalent bonds, e.g., hydrophobic and/or ionic attraction.
- the porous membrane can have any suitable pore structure (before or after compression).
- the membrane can have an average pore size of below about 10 ⁇ m.
- the membrane has an average pore size in the range of from about 0.01 ⁇ m to about 10 ⁇ m, preferably from about 0.1 ⁇ m to about 5 ⁇ m, and more preferably from about 0.2 ⁇ m to about 5 ⁇ m.
- the membranes can be, for example, asymmetric or symmetric membranes.
- the porous membrane can have any suitable thickness (before or after compression).
- the membrane can have a thickness in the range of from about 1 ⁇ m to about 25 ⁇ m.
- the membrane has a thickness of from about 4 ⁇ m to about 10 ⁇ m, and more preferably from about 4 ⁇ m to about 6 ⁇ m.
- Suitable membranes include, but are not limited to, those described in U.S. Patent Nos. 4,340,479, 4,702,840, 4,707,266, 4,900,449, 4,906,374, 4,964,989, 4,964,990, 5,108,607, 5,277,812 and 5,531,893, and International Publication No. WO 98/21588.
- Suitable commercially available membranes include, but are not limited to, those available from Pall Corporation (East Hills, NY) under the trade names BIODYNE ® PLUS, BIODYNE ® A, BIODYNE ® B, BIODYNE ® C, POSIDYNE ® LOPRODYNE ® LP, SUPOR ® , SUPOR ® 30Q, SUPOR ® 30 PLUS, PREDATOR ® , ULTRABlNDTM, MUSTANG ® , and IMMUNODYNE ® ABC.
- Any polymer suitable for injection molding and for forming a substantially rigid, non-porous support may be used in accordance with the present invention.
- a variety of polymers are known and are commercially available. Suitable polymers include, but are not limited to, polystyrene, polyolefin, polycarbonate, polyvinyl chloride, polyurethane, and acrylic.
- the polymer can be selected to provide a transparent or opaque support. Alternatively, or additionally, the support can be dyed or coated to provide any desired color.
- the formed devices can be packaged, e.g., individually, or in packs of multiple devices.
- the analysis devices include bar-coding, e.g., for ease in data tracking.
- samples e.g., containing one or more biomolecules of interest
- reagents e.g., binding agents and labels
- biomolecules includes, but is not limited to, nucleic acid sequences, e.g., natural or synthetic DNA (for example, cDNA obtained after transcribing mRNA), RNA (including mRNA), and/or PNA (peptide nucleic acids); mixtures and/or hybrids thereof, as well as oligonucleotides, modified nucleic acids, fragments and/or derivatives of nucleic acids), antigens, proteins (including antibodies, and some antigens), peptides, bacteria, viruses, protozoans (as well as components of bacteria, viruses, and protozoans), and one or more analytes of interest (e.g., recombinant nucleic acid products and/or byproducts, drugs, pollutants, and poisons).
- nucleic acid sequences e.g., natural or synthetic DNA (for example, cDNA obtained after transcribing mRNA), RNA (including mRNA), and/or PNA (peptide nucleic acids); mixtures and/or hybrid
- the biomolecules can be obtained from a variety of sources.
- a sample containing the biomolecules can comprise one or more cells, or an aqueous or aqueous miscible solution that is obtained directly from a liquid source or as a wash from a solid material, a growth medium or buffer solution in which biomolecules are present or have been introduced.
- the sample is obtained from a biological fluid, including separated or unfiltered fluids such as blood or blood components, urine, cerebrospinal fluid, lymph fluids, tissue homogenate, cell extracts, saliva, sputum, stool, or physiological secretions.
- the sample can be obtained from an environmental source, e.g., a waste stream, a water source, a supply line, or a production lot.
- Industrial sources include fermentation media, such as from a biological reactor or food fermentation process such as brewing, or foodstuffs, such as meat, produce, or dairy products.
- binding agent includes, but is not limited to, one or more ligands and receptors, e.g., nucleic acid probes and/or antibodies (including a monoclonal antibodies, polyclonal antibodies, and anti-antibodies).
- at least one binding agent e.g., the binding agent that is capable of binding to the biomolecules of interest, is a specific binding agent.
- the specific binding agent has at least about 30%) (more preferably, at least about 50%>) complementarity with a region in the biomolecules of interest.
- the desired specificity can vary, depending on the particular nature of the biomolecules to be detected, the information desired about the nature of the sample, and the like.
- the first binding agent is capable of binding to the biomolecules
- the second binding agent is capable of binding to either the first binding agent (e.g., as in a double antibody assay), or to the biomolecules (e.g., as in a sandwich assay).
- detecting the biomolecules can include confirming the presence of the biomolecules, as well as (if desired) identifying the biomolecules, analyzing the biomolecules, and/or quantifying the biomolecules.
- Biomolecules can be detected as part of an on-going or monitoring process, e.g., as part of a quality control system, and/or to monitor the appearance/removal (or rate of appearance/removal) of the biomolecules in the sample, in the material of interest and/or in the product or process fluid being produced.
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- Manufacturing & Machinery (AREA)
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- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Hematology (AREA)
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- Apparatus Associated With Microorganisms And Enzymes (AREA)
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Abstract
Description
Claims
Priority Applications (5)
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EP03732048A EP1506088A2 (en) | 2002-01-24 | 2003-01-24 | Analysis device |
JP2003562608A JP2005516186A (en) | 2002-01-24 | 2003-01-24 | Analysis device |
AU2003216089A AU2003216089A1 (en) | 2002-01-24 | 2003-01-24 | Analysis device |
CA002473559A CA2473559A1 (en) | 2002-01-24 | 2003-01-24 | Analysis device |
US10/501,881 US20050164188A1 (en) | 2002-01-24 | 2003-01-24 | Analysis device |
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US35037602P | 2002-01-24 | 2002-01-24 | |
US60/350,376 | 2002-01-24 |
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WO2003062793A3 WO2003062793A3 (en) | 2004-12-09 |
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JP (1) | JP2005516186A (en) |
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CA (1) | CA2473559A1 (en) |
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CA2475456A1 (en) | 2004-07-20 | 2006-01-20 | Biophys, Inc. | Method and device to optimize analyte and antibody substrate binding by least energy adsorption |
US7501250B2 (en) * | 2006-09-26 | 2009-03-10 | Chung-Cheng Chang | Blotting method for rapidly analyzing nucleic acid |
EP2548647B1 (en) * | 2006-10-20 | 2018-08-15 | CLONDIAG GmbH | Assay devices and methods for the detection of analytes |
DE102010001322A1 (en) * | 2010-01-28 | 2011-08-18 | Siemens Aktiengesellschaft, 80333 | Arrangement and method for filtration of a liquid and use in microscopy |
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US5344701A (en) * | 1992-06-09 | 1994-09-06 | Minnesota Mining And Manufacturing Company | Porous supports having azlactone-functional surfaces |
US5807756A (en) * | 1995-01-10 | 1998-09-15 | At Point Bio | Ceramic assembly for use in biological assays |
US6130175A (en) * | 1997-04-29 | 2000-10-10 | Gore Enterprise Holdings, Inc. | Integral multi-layered ion-exchange composite membranes |
US20030119559A1 (en) * | 2001-11-29 | 2003-06-26 | Interdigital Technology Corporation | System and method utilizing dynamic beam forming for wireless communication signals |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1161554B1 (en) * | 1999-03-18 | 2011-03-09 | Exiqon A/S | Detection of mutations in genes by specific lna primers |
JP2004502928A (en) * | 2000-07-05 | 2004-01-29 | キュノ、インコーポレーテッド | Improved low fluorescence nylon / glass composite for microanalysis identification applications |
DE60236935D1 (en) * | 2001-06-29 | 2010-08-19 | Millipore Corp | MANUFACTURING METHOD FOR A MULTILAYER FILTER STRUCTURE |
-
2003
- 2003-01-24 EP EP03732048A patent/EP1506088A2/en not_active Withdrawn
- 2003-01-24 AU AU2003216089A patent/AU2003216089A1/en not_active Abandoned
- 2003-01-24 WO PCT/US2003/001942 patent/WO2003062793A2/en not_active Application Discontinuation
- 2003-01-24 CA CA002473559A patent/CA2473559A1/en not_active Abandoned
- 2003-01-24 JP JP2003562608A patent/JP2005516186A/en not_active Withdrawn
- 2003-01-24 US US10/501,881 patent/US20050164188A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5344701A (en) * | 1992-06-09 | 1994-09-06 | Minnesota Mining And Manufacturing Company | Porous supports having azlactone-functional surfaces |
US5807756A (en) * | 1995-01-10 | 1998-09-15 | At Point Bio | Ceramic assembly for use in biological assays |
US6130175A (en) * | 1997-04-29 | 2000-10-10 | Gore Enterprise Holdings, Inc. | Integral multi-layered ion-exchange composite membranes |
US20030119559A1 (en) * | 2001-11-29 | 2003-06-26 | Interdigital Technology Corporation | System and method utilizing dynamic beam forming for wireless communication signals |
Also Published As
Publication number | Publication date |
---|---|
WO2003062793A3 (en) | 2004-12-09 |
EP1506088A2 (en) | 2005-02-16 |
CA2473559A1 (en) | 2003-07-31 |
AU2003216089A1 (en) | 2003-09-02 |
JP2005516186A (en) | 2005-06-02 |
US20050164188A1 (en) | 2005-07-28 |
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