WO2005054838A2 - Method for controlling electrodeposition of an entity and devices incorporating the immobilized entity - Google Patents
Method for controlling electrodeposition of an entity and devices incorporating the immobilized entity Download PDFInfo
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- WO2005054838A2 WO2005054838A2 PCT/US2004/039470 US2004039470W WO2005054838A2 WO 2005054838 A2 WO2005054838 A2 WO 2005054838A2 US 2004039470 W US2004039470 W US 2004039470W WO 2005054838 A2 WO2005054838 A2 WO 2005054838A2
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- electrodes
- deposition
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- photosystem
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D15/00—Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/22—Servicing or operating apparatus or multistep processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y5/00—Nanobiotechnology or nanomedicine, e.g. protein engineering or drug delivery
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/04—Electrophoretic coating characterised by the process with organic material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/12—Deposition of organic active material using liquid deposition, e.g. spin coating
- H10K71/125—Deposition of organic active material using liquid deposition, e.g. spin coating using electrolytic deposition e.g. in-situ electropolymerisation
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/761—Biomolecules or bio-macromolecules, e.g. proteins, chlorophyl, lipids or enzymes
Definitions
- the present invention relates to a method and apparatus for controlling electrodeposition of an entity, such as a biomolecule, in which the entity is provided in the vicinity of a- pair of electrodes in superposed relationship and a potential is applied across the electrodes sufficient to cause migration of the biomolecule component to one of the electrodes and cause deposition of a monolayer of the entity on the electrode.
- the invention further relates to methods of using the immobilized entity and to devices incorporating the immobilized entity.
- U.S. Patent No. 6,475,809 describes protein arrays for high throughpart screening in which a plurality of different members are immobilized on a surface of a substrate. A monolayer is provided on the surface of the substrate. The proteins are immobilized on the monolayer. The monolayer is formed of a variety of chemical moieties including alkysiloxane monolayers, alklthiol/dialkyldisulfide monolayers and an alkyl monolayer on an oxide free silicone substrate.
- 4,294,677 describes a method for electrodepositing a protein by electrophoresis onto an ion-exchange- membrane from a liquid in which the protein is dissolved or is dispersed in suspension.
- the ion exchange membrane may comprise chemically resilient highly bridged polymeric skeletons on which many anion and cation exchange groups such as sulfonate group, carboxylate group, phenol group and ammonium group are attached as substituents.
- anion and cation exchange groups such as sulfonate group, carboxylate group, phenol group and ammonium group are attached as substituents.
- Other conventional methods for electrodepositing a protein without using a chemical moiety have been described.
- U.S. Patent No. 5,166,063 describes a method for immobilizing molecules on a conductive substrate to produce a biosensor.
- a biosensor electrode and a counter electrode are immersed in a container of a solution of at least one species of biomolecule.
- a potential difference of less than 1 volt is created between the electrodes.
- This patent has the drawback that because of the relatively large volume used in the system it is difficult to control the amount of the biomolecule that is accumulated on the biosensor electrode. It is desirable to provide a method and system for controlling electrodeposition of an entity. Summary of the Invention The present invention relates to a method and system for controlling electrodeposition of a deposition entity in which a solution or suspension of the deposition entity is provided between a pair of superposed electrodes at a predetermined concentration.
- Fig. 1 is a schematic cross sectional view of a system for controlling electrodeposition of a deposition entity in accordance with the teachings of the present invention.
- Fig. 1 is a schematic diagram of a system for controlling electrodeposition of a deposition entity 10 in accordance with the teachings of the present invention.
- Electrode 12 and electrode 14 are in a superposed relation. Electrodes 12 and 14 can be formed of metals or "metal substitutes."
- metal is used to embrace both materials composed of an elementally pure metal, such as Ag or Mg, and also metal alloys which are materials composed of two or more elementally pure metals, e.g., Mg and Ag together, denoted Mg:Ag.
- metal substitute refers to a material that is not a metal within the normal definition, but which has the metal-like properties that are desired in certain appropriate applications.
- Suitable metal substitutes which can be used for electrodes 12 and 14 include doped wide bandgap semiconductors, for example, transparent conducting oxides such as indium tin oxide (ITO), gallium indium tin oxide (GITO), and zinc indium tin oxide (ZITO).
- transparent conducting oxides such as indium tin oxide (ITO), gallium indium tin oxide (GITO), and zinc indium tin oxide (ZITO).
- Other suitable materials for electrodes 12 and 14 are polymeric metals such as poly-ehtylene-dioxythiophene (PEDOT) doped with poly-styrenesulfonate (PSS).
- PEDOT poly-ehtylene-dioxythiophene
- PSS poly-styrenesulfonate
- One or more of electrode 12 and electrode 14 can be transparent.
- a layer . of material is said to be "transparent" when the layer or layers permit at least 50% of the ambient electromagnetic radiation in relevant wavelengths to be
- ITO is a highly doped degenerate n + semiconductor with an optic bandgap of approximately 3.2 eV rendering it transparent to wavelengths greater than approximately 3900 A.
- Another suitable metal substitute material is the transparent conductive polymer polyanaline (PANI) and its chemical relatives.
- Metal substitutes can be further selected from a wide range of non-metallic materials, wherein the term “non-metallic” is meant to embrace a wide range of materials provided that the material is free of metal in its chemically uncombined form.
- the metal substitute electrodes of the present invention may sometimes be referred to as "metal-free" wherein the term “metal-free” is expressly meant to embrace a material free of metal in its chemically uncombined form.
- Free metals typically have a form of metallic bonding that may be thought of as a type of chemical bonding that results form a sea of valence electrons which are free to move in an electronic conduction band throughout the metal lattice. While metal substitutes may contain metal constituents they are "non-metallic" on several bases.
- Electrode 12 can be attached to substrate 15 and electrode 14 can be attached to substrate 16.
- electrode 12 and electrode 14 can be- deposited as a film on respective substrate 15 and substrate 16 with known metal and ndn-metal deposition techniques such as electron beam evaporation and the like.
- Substrates 15 and 16 can be either organic or inorganic, biological or non,-biological, or any combination of these materials. In one embodiment, the substrate is transparent or translucent. Substrates 15 and 16 can be flat, firm or semi-firm.
- Suitable materials for substrates 15 and 16 include silicon, silica, quartz, glass, controlled pore glass, carbon, alumina, titanium dioxide, germanium, silicon nitride, zeolites, and gallium arsenide. Metals such as gold, platinum, aluminum copper, titanium, and their alloys are also options for the substrates. In addition, many ceramics and polymers can also be used as substrates.
- Polymers which can be used as substrates include, but are not limited to, the following: polystyrene poly(tetra)fluorethylene; (poly)vinylidenedifluoride; polycarbonate; polymethylmethacrylate polyvinlyethy ⁇ ene; polyethyleneimi e; poly(etherether) ketone; polyoxymethylene (POM) polyvinylphenol; polylactides; polymethacrylimide (PMI); polyalkenesulfone (PAS) polyhydroxyethylmethacrylate; polydimethylsiloxane; polyacrylamide; polyimide; co-block- polymers; and Eupergit®, Photoresists, polymerized Langmuir-Blodgett films, and LIGA structures can also serve as substrates in the present invention.
- Power supply 18 having positive lead 19 connected to electrode 12 and negative lead 20 connected to electrode 14 is provided to supply substantially constant current flow between electrode 12 and electrode 14. .
- the direction of current flow can be reversed if desired by switching the connections of lead 19 and lead 20 to power supply 18 to make lead 19 negatively charged and lead 20 positively charged.
- Distance Dj between electrode 12 and electrode 14 can be in the range of about lOn to about 5.0mm.
- the distance Di and size of electrode 12 and electrode 14 are selected to be useful in nanoscale devices. Deposition on nanoscale electrodes can occur provided the remaining area of the substrate is insulated.
- a suitable distance Dj is about 1.0mm.
- the voltage applied to electrode 12 and electrode 14 is . dependent on the distance Dj.
- the voltage applied can be in the range of about 1 V/cm to about 1,000 VI cm.
- a suitable voltage range of about 10 V/cm to about 200 V/cm can be used with a distance between electrode 12 and electrode 14 of about 1mm.
- a solution or suspension of deposition entity 22 is provided between electrodes 12 and 14.
- the voltage is continuously applied for a predetermined time to effect migration of deposition entity 22 toward electrode 12 or 14 to provide deposition of a film of deposition entity 22 on electrode 12 or electrode 14.
- voltage can be continuously applied for about 5 minutes to about 48 hours.
- the voltages applied are based on the desired thickness of a film of deposition entity 22, and on the concentration of the solution from which deposition entity 22 is electrodeposited.
- the concentration of the deposition entity in solution or suspension of deposition entity 22 and the volume of the solution is selected to control the thickness of a film of deposition entity 22 that is deposited on electrode 12 or electrode 14 upon continuous application of a predetermined voltage.
- the concentration of the deposition entity in solution or suspension of deposition entity 22 can be selected to form a monolayer on electrode 12 or electrode 14.
- 100% of the deposition entity can be deposited on electrode 12 or electrode 14 using a concentration of the deposition entity in the range of about lO ⁇ g/ml to about lmg/ml , a volume of about 1mm to about 100mm with a voltage in the range of about 10 V/cm to about 200 V/cm resulting in a film of a monolayer having a thickness of about 5nm to about 1 Onm. It will be appreciated that thicker films can be deposited by varying the concentration of deposition entity 22 in solution or suspension and the volume of the solution.
- Retainer housing 24 can be used to retain solution or suspension of deposition entity 22 between electrodes 12 and electrodes 14. Retainer housing 24 is positioned adjacent electrode 12 and electrode 14.
- retainer housing 24 can have open ends, such as an O-ring. Alternatively, retainer housing 24 can have various shapes. Retainer housing 24 can have a size selected to provide a predetermined volume of solution or suspension of deposition entity 22. For example, retainer housing 24 can have a size to provide a volume of about 1 m 3 to about 100mm 3 . In one embodiment, retainer housing 24 can be placed on one electrode for example, electrode 14. Thereafter, a solution or suspension of deposition entity 22 is received in retainer housing 24 and contacts electrode 14. The volume of the solution or suspension of deposition entity 22 fills retainer housing 24. The other electrode for example, electrode 12 is placed on top of retainer housing 24 for retaining deposition entity 22 between electrode 12 and electrode 14.
- a substrate can be used with retainer housing 24 300mm silicon wafer on the order of 10 5 mm 3 to cover the whole substrate with about a 1mm thick deposition cell.
- Migration of the deposition entity occurs towards the electrode 12 or 14 charged in the opposite sense to the charge of the deposition entity in solution or suspension of deposition entity 22.
- deposition entity 22 can be attached to electrode 12 or 14 largely due to van der Waals interactions between the deposition entity and electrode 12 or electrode 14.
- the deposition entity is suitable for deposition on electrodes 12 or 14.
- Suitable deposition entities include but are not limited to the following classes of naturally occurring or artificially synthesized molecules or molecular grouping that can exist as components of biological systems: proteins including simple proteins and complex proteins containing other organic compounds, such as for example apoproteins, glycoproteins, peptides, oligopeptides, lipoproteins, ovo-proteins, lacto-proteins, serum-proteins, myo-proteins, seed-proteins, scleroproteins, chromoproteins, phosphoproteins and nucleo-proteins.
- proteins including simple proteins and complex proteins containing other organic compounds, such as for example apoproteins, glycoproteins, peptides, oligopeptides, lipoproteins, ovo-proteins, lacto-proteins, serum-proteins, myo-proteins, seed-proteins, scleroproteins, chromoproteins, phosphoproteins and nucleo-proteins.
- Suitable deposition entities include antigens and antibodies thereto, antibody fragments, haptens and antibodies thereto, receptors and other membrane proteins, protein analogs in which at least one non- peptide linkage replaces a peptide linkage, enzymes and enzyme precursors, coenzymes, enzyme inhibitors, amino acids and their derivatives, hormones, lipids, phospholipids, glycolipids, liposomes, nucleotides, oligonucleotides, polynucleotides, and their art-recognized and biologically functional analogs and derivatives including, for example: methylated polynucleotides and nucleotide analogs having phosphorothioate linkages; plasmids, cosmids, artificial chromosomes, other nucleic acid vectors; antisense polynucleotides including those substantially complementary to at least one endogenous nucleic acid or those having sequences with a sense opposed to at least portions of selected viral or retroviral genomes, viruses
- Suitable deposition entities 22 also include deoxyribonucleic acids (DNA), ribonucleic acids (RNA) and peptide nucleic acids (PNA).
- Deposition entity 22 can include a light harvesting complex.
- the term "Light Harvesting Complex” (LHC) as used herein refers to photosynthetic complexes, e.g., PSI (Photosystem I, from spinach, for example), PS2 (Photosystem II), LH1 (Light Harvesting complex 1) and/or LH2 (Light Harvesting complex 2, from purple bacteria). Fromme, P., et al., Biochim. Biophys. Ada 1365, 175 (1998); Lee, I., et al.;Phys. Rev. Lett.
- any of the preceding deposition entities having weak or non-existent polarity or induceable polarity under the conditions prevailing in system 10 can be covalently linked to sn appropriate charged carrier to form a charged complex that can be deposited on the electrodes 12 or 14.
- sn appropriate charged carrier to form a charged complex that can be deposited on the electrodes 12 or 14.
- Members of the preceding classes of deposition entities and any combination of specific members thereof can be placed in solution or in suspension as colloidal particles in liquid using art recognized techniques that depend on the composition of the liquid.
- the solution or suspension of deposition entity 22 can be an aqueous solution, such as physiological saline, capable of conducting a substantial electrical current.
- the solution or suspension can have a desired pH at a physiological level.
- the direction, rate of migration, and rate of deposition of the deposition entity originally in solution or suspension of deposition entity 22 onto electrodes 12 and 14 can be controlled with great sensitivity by appropriately adjusting the pH of the solution. This control is based upon use of conventional electrophoretic techniques applicable to permanently charged moieties that give the deposition entity a net charge in the solution depending on the pH of the solution.
- the pH at which the deposition entity has zero net negative charge, and thus will not migrate under the influence of an electric field, is defined as its isoelectric point.
- the molecule At pH values greater than the isoelectric point, the molecule has a net negative charge; conversely at pH values less than the isoelectric point, the molecule has a net positive charge. Accordingly, in system 10 shown in Fig. 1, the pH of the solution or suspension of deposition entity 22 is adjusted to greater than or less than the isoelectric point of the deposition entity to be deposited on electrodes 12 or 14. This adjustment can be accomplished using known acids or alkaline agents as desired. Other additives, such as non-ionic surfactants and anti- foaming agents or detergents can also be added to the solution as desired.
- Immobilized deposition entities produced according to the method and system of the invention can be used in a wide variety of molecular detection systems, including amperometric electrochemical biosensors, calorimetric, acoustic, potentiometric, optical, and ISFET based biosensors.
- Immobilized entities such as proteins, enzymes, antibodies, or glycoproteins such as lectins can be used in biosensors that detect the presence or concentration of selected physiological molecules as a result of the interaction of the physiological ligand with the immobilized biomolecules.
- Immobilized entities can be used in any device in which the immobilized entity is essential to operation of the device. Suitable devices include solid state devices, memory devices and photo voltaic devices. Fig.
- FIG. 3A illustrates absorption spectra of a film of LH2 deposited onto an electrode.
- a pair of electrodes had about 1mm electrode separation.
- a voltage of about 50 volts was applied for 24 hours at room temperature.
- the absorption spectra shows peaks at 800nm and 850nm are clearly visible indicating the complexes are intact (the absorption of unassociated pigment molecules would be blue shifted).
- Fig. 3B is a SEM micrograph of the resulting film.
- the lOnm - 15nm sized features are the complexes of interest.
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- Materials Engineering (AREA)
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- Medical Informatics (AREA)
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- Immunology (AREA)
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- Peptides Or Proteins (AREA)
- Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
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Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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MXPA06005996A MXPA06005996A (en) | 2003-11-26 | 2004-11-24 | Method for controlling electrodeposition of an entity and devices incorporating the immobilized entity. |
CA002549835A CA2549835A1 (en) | 2003-11-26 | 2004-11-24 | Method for controlling electrodeposition of an entity and devices incorporating the immobilized entity |
BRPI0416429-6A BRPI0416429A (en) | 2003-11-26 | 2004-11-24 | electrodeposition control method of an entity and device incorporating the fixed entity |
JP2006541690A JP2007512439A (en) | 2003-11-26 | 2004-11-24 | Method for controlling the electrodeposition of objects and devices incorporating immobilized objects |
AU2004294552A AU2004294552A1 (en) | 2003-11-26 | 2004-11-24 | Method for controlling electrodeposition of an entity and devices incorporating the immobilized entity |
EP04812067A EP1706521A2 (en) | 2003-11-26 | 2004-11-24 | Method for controlling electrodeposition of an entity and devices incorporating the immobilized entity |
Applications Claiming Priority (2)
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US10/722,740 US20050109622A1 (en) | 2003-11-26 | 2003-11-26 | Method for controlling electrodeposition of an entity and devices incorporating the immobilized entity |
US10/722,740 | 2003-11-26 |
Publications (3)
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WO2005054838A2 true WO2005054838A2 (en) | 2005-06-16 |
WO2005054838A3 WO2005054838A3 (en) | 2006-01-12 |
WO2005054838B1 WO2005054838B1 (en) | 2006-03-16 |
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PCT/US2004/039470 WO2005054838A2 (en) | 2003-11-26 | 2004-11-24 | Method for controlling electrodeposition of an entity and devices incorporating the immobilized entity |
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US (1) | US20050109622A1 (en) |
EP (1) | EP1706521A2 (en) |
JP (1) | JP2007512439A (en) |
KR (1) | KR20060096463A (en) |
CN (1) | CN1902340A (en) |
AU (1) | AU2004294552A1 (en) |
BR (1) | BRPI0416429A (en) |
CA (1) | CA2549835A1 (en) |
MX (1) | MXPA06005996A (en) |
TW (1) | TW200525151A (en) |
WO (1) | WO2005054838A2 (en) |
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US20050239184A1 (en) * | 2004-04-23 | 2005-10-27 | Reiko Ohara | Electric driven protein immobilizing module and method |
WO2010119443A1 (en) * | 2009-04-13 | 2010-10-21 | Yissum Research Development Company Of The Hebrew University Of Jerusalem, Ltd. | Process for electrochemical coating of conductive surfaces by organic nanoparticles |
US10092207B1 (en) | 2016-05-15 | 2018-10-09 | Biolinq, Inc. | Tissue-penetrating electrochemical sensor featuring a co-electrodeposited thin film comprised of polymer and bio-recognition element |
CN106868572B (en) * | 2017-04-25 | 2019-07-09 | 广东工业大学 | A kind of electrophoresis auxiliary micro-nano particle fusion self assembly surface modifying apparatus |
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US4804834A (en) * | 1985-09-14 | 1989-02-14 | Agency Of Industrial Science & Technology | Photosensor having photosensitive part formed of purple membrane |
EP0417541A2 (en) * | 1989-08-28 | 1991-03-20 | Hitachi, Ltd. | Process of preparing a protein-oriented membrane |
US5107104A (en) * | 1989-10-18 | 1992-04-21 | Fuji Photo Film Co., Ltd. | Photoelectric transducer having photosensitive chromoprotein film, i.e. bacteriorhodopsin |
US5166063A (en) * | 1990-06-29 | 1992-11-24 | Eli Lilly And Company | Immobolization of biomolecules by enhanced electrophoretic precipitation |
US5346789A (en) * | 1991-12-06 | 1994-09-13 | Cornell Research Foundation, Inc. | Oriented biological material for optical information storage and processing |
WO2003095715A1 (en) * | 2002-05-07 | 2003-11-20 | University Of Southern California | Methods and apparatus for monitoring deposition quality during conformable contact mask plasting operations |
Family Cites Families (4)
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JPS5569298A (en) * | 1978-11-17 | 1980-05-24 | Kureha Chem Ind Co Ltd | Electrodeposition method of protein |
US5855753A (en) * | 1996-11-26 | 1999-01-05 | The Trustees Of Princeton University | Method for electrohydrodynamically assembling patterned colloidal structures |
US6406921B1 (en) * | 1998-07-14 | 2002-06-18 | Zyomyx, Incorporated | Protein arrays for high-throughput screening |
US6340421B1 (en) * | 2000-05-16 | 2002-01-22 | Minimed Inc. | Microelectrogravimetric method for plating a biosensor |
-
2003
- 2003-11-26 US US10/722,740 patent/US20050109622A1/en not_active Abandoned
-
2004
- 2004-11-24 KR KR1020067012495A patent/KR20060096463A/en not_active Application Discontinuation
- 2004-11-24 CA CA002549835A patent/CA2549835A1/en not_active Abandoned
- 2004-11-24 CN CNA2004800391550A patent/CN1902340A/en active Pending
- 2004-11-24 EP EP04812067A patent/EP1706521A2/en not_active Withdrawn
- 2004-11-24 JP JP2006541690A patent/JP2007512439A/en active Pending
- 2004-11-24 BR BRPI0416429-6A patent/BRPI0416429A/en not_active IP Right Cessation
- 2004-11-24 AU AU2004294552A patent/AU2004294552A1/en not_active Abandoned
- 2004-11-24 MX MXPA06005996A patent/MXPA06005996A/en unknown
- 2004-11-24 WO PCT/US2004/039470 patent/WO2005054838A2/en active Application Filing
- 2004-11-25 TW TW093136320A patent/TW200525151A/en unknown
Patent Citations (6)
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US4804834A (en) * | 1985-09-14 | 1989-02-14 | Agency Of Industrial Science & Technology | Photosensor having photosensitive part formed of purple membrane |
EP0417541A2 (en) * | 1989-08-28 | 1991-03-20 | Hitachi, Ltd. | Process of preparing a protein-oriented membrane |
US5107104A (en) * | 1989-10-18 | 1992-04-21 | Fuji Photo Film Co., Ltd. | Photoelectric transducer having photosensitive chromoprotein film, i.e. bacteriorhodopsin |
US5166063A (en) * | 1990-06-29 | 1992-11-24 | Eli Lilly And Company | Immobolization of biomolecules by enhanced electrophoretic precipitation |
US5346789A (en) * | 1991-12-06 | 1994-09-13 | Cornell Research Foundation, Inc. | Oriented biological material for optical information storage and processing |
WO2003095715A1 (en) * | 2002-05-07 | 2003-11-20 | University Of Southern California | Methods and apparatus for monitoring deposition quality during conformable contact mask plasting operations |
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Also Published As
Publication number | Publication date |
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JP2007512439A (en) | 2007-05-17 |
BRPI0416429A (en) | 2007-02-21 |
AU2004294552A1 (en) | 2005-06-16 |
US20050109622A1 (en) | 2005-05-26 |
CN1902340A (en) | 2007-01-24 |
CA2549835A1 (en) | 2005-06-16 |
WO2005054838A3 (en) | 2006-01-12 |
EP1706521A2 (en) | 2006-10-04 |
TW200525151A (en) | 2005-08-01 |
KR20060096463A (en) | 2006-09-11 |
MXPA06005996A (en) | 2006-08-23 |
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