WO2006062222A1 - タンパク質の分離方法及び染色方法、並びにこれらの方法に用いるタンパク質染色液及びタンパク質染色用キット - Google Patents
タンパク質の分離方法及び染色方法、並びにこれらの方法に用いるタンパク質染色液及びタンパク質染色用キット Download PDFInfo
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- WO2006062222A1 WO2006062222A1 PCT/JP2005/022724 JP2005022724W WO2006062222A1 WO 2006062222 A1 WO2006062222 A1 WO 2006062222A1 JP 2005022724 W JP2005022724 W JP 2005022724W WO 2006062222 A1 WO2006062222 A1 WO 2006062222A1
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- staining
- protein
- electrophoresis
- solution
- gel
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- 108090000623 proteins and genes Proteins 0.000 title claims abstract description 130
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- 239000007788 liquid Substances 0.000 title abstract description 6
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- 238000001502 gel electrophoresis Methods 0.000 claims abstract description 29
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- 239000003795 chemical substances by application Substances 0.000 claims abstract description 28
- 238000000539 two dimensional gel electrophoresis Methods 0.000 claims abstract description 20
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- 238000007447 staining method Methods 0.000 claims description 35
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Classifications
-
- 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
- G01N27/416—Systems
- G01N27/447—Systems using electrophoresis
- G01N27/44704—Details; Accessories
- G01N27/44717—Arrangements for investigating the separated zones, e.g. localising zones
- G01N27/44721—Arrangements for investigating the separated zones, e.g. localising zones by optical means
- G01N27/44726—Arrangements for investigating the separated zones, e.g. localising zones by optical means using specific dyes, markers or binding molecules
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K1/00—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length
- C07K1/14—Extraction; Separation; Purification
- C07K1/24—Extraction; Separation; Purification by electrochemical means
- C07K1/26—Electrophoresis
-
- 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
- G01N27/416—Systems
- G01N27/447—Systems using electrophoresis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/68—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving proteins, peptides or amino acids
Definitions
- the present invention relates to a protein separation method and staining method in electrophoresis, a protein staining solution used in these methods, and a protein staining kit.
- Electrophoresis is known as the best method for separating each component in a mixture containing protein.
- the two-dimensional gel electrophoresis method is widely used because it can separate a crude cell extract into protein components as high as 1,00.
- a protein-containing sample after the first dimension electrophoresis is treated with sodium dodecyl sulfate (SDS), and then subjected to the second dimension electrophoresis to stain the separated protein. This is a method of cleaning and analyzing.
- SDS sodium dodecyl sulfate
- This is a method of cleaning and analyzing.
- the CBB staining method, the Sypro Ruby staining method, etc. are used (Ogino, "Electrophoresis latest protocol", Yodosha, January, 1990).
- the Ettan DIGE method involves reacting a protein-containing sample with a stain and stopping the reaction. This is a method of subjecting the protein-containing sample after electrophoresis to SDS processing after subjecting it to electrophoresis in the second dimension, and analyzing the protein by subjecting it to electrophoresis in the second dimension. Disclosure of the invention
- the Ettan DIGE method can perform a staining operation in a shorter time compared to a conventionally known electrophoresis method, but in order to control the amount of the staining agent, an excess of staining agent and protein are used. The reaction needs to be stopped. For this reason, the staining operation becomes complicated. As described above, since the staining operation in the conventional electrophoresis method is complicated, there is an urgent need for a method that can easily and quickly stain and separate proteins.
- the present invention has been made in view of such circumstances, and the problem to be solved is a method capable of simply and rapidly staining and separating proteins in electrophoresis, and protein staining used in these methods. It is to provide a kit for staining liquid and protein.
- the present inventors have shortened the dyeing time and dyeing by using a dyeing solution containing a dye and a surfactant in a buffer solution.
- the present inventors have found that an improvement in sensitivity can be obtained and have completed the present invention.
- the present invention has the following features.
- a method for separating proteins by gel electrophoresis comprising a staining step in which a staining solution containing a staining agent and a surfactant in a buffer solution is brought into contact with the protein-containing sample, and a protein-containing sample after the staining step.
- the gel electrophoresis is SDS polyacrylamide gel electrophoresis
- the electrophoresis is a two-dimensional electrophoresis having a first-dimensional electrophoresis and a second-dimensional electrophoresis, and the first-dimensional electrophoresis ends before the second-dimensional electrophoresis.
- a protein staining kit for gel electrophoresis comprising a buffer, a staining agent, and a surfactant.
- the document further includes an explanation regarding the separation method according to any one of (1) to (1 1) above or the staining method according to (1 2) or (1 3) above.
- a protein staining solution for gel electrophoresis which contains a staining agent and a surfactant in a buffer solution.
- FIG. 1 is a diagram showing a two-dimensional electrophoretic image of a mouse brain tissue extract stained by the present staining method in Example 1.
- FIG. 1 is a diagram showing a two-dimensional electrophoretic image of a mouse brain tissue extract stained by the present staining method in Example 1.
- FIG. 2 is a diagram showing a two-dimensional electrophoretic image of a mouse brain tissue extract stained by the present staining method in Example 2.
- FIG. 2 is a diagram showing a two-dimensional electrophoretic image of a mouse brain tissue extract stained by the present staining method in Example 2.
- FIG. 3 is a diagram showing an SDS-PAGE electrophoresis image of a mouse brain tissue extract stained by this staining method in Example 3.
- FIG. 4 is a diagram showing an SDS-PAGE electrophoretic image of a mouse brain tissue extract stained by the present staining method in Example 4.
- FIG. 5 is a view showing a two-dimensional electrophoretic image of a mouse brain tissue extract stained with a staining solution containing no SDS in Comparative Example 1.
- FIG. 6 is a view showing a two-dimensional electrophoresis image of a mouse brain tissue extract stained by CBB staining in Comparative Example 2.
- FIG. 7 is a view showing a two-dimensional electrophoretic image of a mouse brain tissue extract stained by the present staining method and Ettan DIGE staining method in Comparative Example 3.
- BEST MODE FOR CARRYING OUT THE INVENTION will be described in detail with reference to preferred embodiments thereof.
- the method for separating proteins by gel electrophoresis of the present invention includes a staining step and an electrophoresis step.
- the staining step is a step in which a staining solution containing a staining agent and a surfactant in a buffer solution is brought into contact with the protein-containing sample.
- the electrophoresis step is a step of subjecting the protein-containing sample after the staining step to gel electrophoresis.
- the protein-containing sample is brought into contact with the staining solution before the protein-containing sample is supported on the support.
- an extract of a biological sample containing plural kinds of proteins can be used.
- Biological samples include, for example, living cells such as horses, horses, pigs, hidges, dogs, birds, and other living animals such as humans, laboratory animals such as mice and rats, and tissues containing them (for example, Liver tissue, muscle tissue, brain tissue, heart tissue, blood, plasma, serum, body fluid such as lymph, lymph node) or body secretion (for example, urine).
- tissue containing them for example, Liver tissue, muscle tissue, brain tissue, heart tissue, blood, plasma, serum, body fluid such as lymph, lymph node
- body secretion for example, urine.
- the support examples include gels such as polyacrylamide gel and agarose gel.
- the gel concentration of the support can be appropriately selected according to the molecular weight of the protein to be separated. For example, in the case of a polyacrylamide gel, it is usually 3 to 20%. Further, when the molecular weight of the protein to be separated is unknown or in a wide range, for example, a gel having a concentration gradient of 5 to 20% may be used.
- a gel having a concentration gradient of 5 to 20% may be used as the above-mentioned gel, for example, an acrylamide and ⁇ , ⁇ -methylenebisacrylamide may be polymerized to prepare a gel having a desired concentration.
- staining solution As a staining solution used for staining a protein-containing sample, the protein staining solution for gel electrophoresis of the present invention (hereinafter simply referred to as “staining solution”) can be used.
- the staining solution of the present invention is characterized by containing a staining agent and a surfactant in a buffer solution.
- buffers known in the art can be used as the buffer, but those that do not inhibit the reaction between the functional group of the staining solution and the functional group of the protein that reacts with the functional group are preferable.
- Such a buffer solution can be appropriately selected in consideration of the type of staining agent used.
- a carbonate buffer solution (a buffer solution in which Na 2 C0 3 and NaHC 0 3 are combined), a phosphate buffer solution (Na 2 HP0 4 and NaH 2 P0 4 buffer), Clark and Lubs solution (KH 2 P0 4 and NaOH combined buffer), NaHC0 3 buffer (5% C0 2 or NaOH to adjust pH) ), Imidazol e-HC1 buffer (2, 4, 6-Trimethylpyridine HC1 buffer), Morphol inopropanesulphonic acid (MOPS) KOH buffer, Nonorbital-HC1 buffer (Sodium 5, 5-diethylbarbiturate And HC1), N-ethylraorphol ine-HCl buffer, ⁇ -2-Hydroxyethylpiperazine-N '-et hanesulphonic acid (HEPES)-NaOH buffer, ⁇ -2-Hydroxyethylpiperaz ine-N' _3-propanesulphonic acid (EPPS) -NaOH buffer, N
- Unaryo of N- hydroxysuccinimidyl de systems (e.g., C y 5, C y 7 ) is carbonate buffer, NaHCO 3 buffer Is preferred.
- the concentration of the buffer in the staining solution is preferably 10 mM or less, more preferably 3 mM or less. Such concentration exceeds 1 O mM And the protein bands separated by electrophoresis tend to undulate. It should be noted that the concentration of the buffer solution is preferably 0.3 mM or more because the undulation of the band may occur even if the buffer solution concentration is too low.
- the covalently bonded dyeing agent can form a covalent bond by a chemical reaction with a functional group such as NH 2 group, COOH group, SH group or OH group present in the structure of organic compound, nucleic acid or protein.
- a functional group such as NH 2 group, COOH group, SH group or OH group present in the structure of organic compound, nucleic acid or protein.
- stains examples include cyanine dyes (for example, Cy 5, Cy 3, Cy 2, Cy 7 (Araersham Bioscience)), Alexa Fluors, Biotins, B0DIPYs, Fluoresceins, Oligogon Examples include Greens, Rhodamines, Texas reds, Couraarins, NBD (7-nitrobenz-2-oxa-1,3-diazole) s, and the like.
- cyanine dyes particularly Cy 5, Cy 3 and Cy 2 (manufactured by Atnershatn Bioscience) are preferable.
- the concentration of the staining agent in the staining solution is preferably 100 to 1,000 / X gZmL, and more preferably 200 to 500 ⁇ g / mL.
- concentration is less than 100 gZmL, the fluorescence sensitivity tends to decrease remarkably, and when it exceeds 1,000 gZmL, the fluorescence sensitivity tends to saturate.
- Non-covalent dyes can also be used in the present invention, for example, Sypro Orange, Sypro red (manufactured by Molecular Probes).
- a surfactant capable of imparting a negative charge to the protein is preferable, and examples thereof include an anionic surfactant.
- examples of such surfactants include dodecyl sulfate metal salt, and specific examples include sodium dodecyl sulfate (SDS) and lithium dodecyl sulfate (LDS).
- SDS sodium dodecyl sulfate
- LDS lithium dodecyl sulfate
- Surfactants such as SDS also function as protein solubilizers, but by coexisting SDS and a dye, protein staining and SDS conversion can be performed simultaneously. wear. This allows simple and rapid staining of protein-containing samples.
- the concentration of the surfactant in the staining solution is preferably 0.5 to 10%, more preferably 1.0 to 5.0%, and even more preferably 1.0 in the case of alkali metal dodecyl sulfate, for example. ⁇ 2.0%.
- concentration is less than 0.5%, the fluorescence sensitivity tends to decrease, and when it exceeds 10%, the fluorescence sensitivity tends to be saturated.
- surfactant concentration means wZv.
- the staining liquid of the present invention may further contain alcohol.
- alcohol By containing alcohol, protein staining efficiency can be improved. Although the factors for obtaining such effects have not been clearly elucidated, the present inventors presume that one of the factors is the improved permeability of the staining solution to the gel. .
- the alcohol a linear or branched alcohol having 1 to 4 carbon atoms is suitable, and specific examples include methanol, ethanol, propanol, iso_propanol, butanol sec-ptanol and the like. Among these, methanol, ethanol, propanol, and butanol are preferable, and methanol, ethanol, and propanol are more preferable.
- the concentration of alcohol in the staining solution is preferably 0.5 to 30%, more preferably 0.5 to 10%, and still more preferably 0.5 to 1.0%. If the concentration is less than 0.5%, the effect of adding alcohol tends to be insufficient, and if it exceeds 30%, the dyeing efficiency tends to decrease. In this specification, the alcohol concentration (%) means ⁇ / ⁇ .
- the pH of the staining solution of the present invention can be appropriately selected depending on the staining agent used.
- an amino group-modified staining agent such as N-hydroxysucciniraide type Cy 5, Cy 3, or Cy 2 is used.
- the staining solution preferably has a pH of 9.5 to 10.0.
- the protein staining method in gel electrophoresis of the present invention (hereinafter simply referred to as “staining method”) can be applied.
- staining method of the present invention a staining solution and a protein-containing sample are brought into contact with each other before being subjected to gel electrophoresis, and protein staining and surfactant treatment (such as SDS) are performed. It is characterized by being performed simultaneously.
- gel electrophoresis is two-dimensional electrophoresis
- the protein-containing sample that has completed the first-dimensional electrophoresis is brought into contact with the staining solution before the second-dimensional electrophoresis.
- the staining solution and the protein-containing sample can be contacted by a simple means such as dropping the staining solution onto the gel supporting the protein-containing sample with a pipette or immersing the gel in the staining solution.
- the contact time between the staining solution and the protein-containing sample may be about 30 minutes, but sufficient staining is possible even after subjecting to electrophoresis immediately after contact.
- the molecular weights of dyes and proteins differ greatly, and the difference in the migration speed between the two results in the fact that there is a large difference in the proportion of negative charge in the molecular weight (minus charge molecular weight).
- the electrophoresis process will be described.
- the protein-containing sample that has been subjected to protein staining and surfactant treatment (such as SDS) in the staining step is subjected to gel electrophoresis.
- electrophoresis can be performed by a conventionally known method.
- the gel electrophoresis is not particularly limited as long as it is an electrophoresis method capable of separating proteins. For example, isoelectric focusing, sodium dodecyl sulfate (SDS) polyacrylamide gel electrophoresis (SDS— PAGE), disk gel electrophoresis, slab gel electrophoresis, gel fast electrophoresis.
- SDS-P AGE and isoelectric focusing are preferable.
- two-dimensional electrophoresis for example, it is preferable to combine two electrophoresis methods capable of separating proteins from two different factors such as isoelectric point and molecular weight. Specifically, it is preferable to select isoelectric focusing in the first dimension and SDS-PAGE in the second dimension.
- the gel gradient can be formed by adding an amphoteric carrier (Carrier ampholytes) to a polyacrylamide gel and applying an electric field. Examples include a method of forming an H gradient simultaneously with the preparation of a gel using an acrylamide compound having an electric point. Also In the two-dimensional electrophoresis of isoelectric focusing and SDS-PAGE, a gel containing the protein separated by isoelectric focusing is placed on the end of the second dimension, and isoelectric focusing Proteins are separated by migration in a direction perpendicular to the development direction. In addition, the energization conditions in gel electrophoresis can be appropriately set according to the electrophoresis method or the like.
- the protein separated by the electrophoresis process described above can be detected by, for example, excising only the band with a cutter knife or the like and measuring the fluorescence intensity at a specific wavelength using a fluorescence analyzer. it can. Furthermore, the protein detected in this way can be analyzed by analyzing the molecular weight, purity, identification, quantification, etc. of the protein after decoloring if necessary, and recovering it by extraction or transfer to a membrane.
- a composition containing a staining agent, a composition containing a surfactant, and if necessary, a buffer and Z or alcohol are contained in separate containers. It is preferable to prepare a staining solution having a desired concentration and pH by mixing them with each other when staining proteins. Further, as another embodiment, in a container divided into a plurality of sections, a first section storing a composition containing a staining agent, and a second section storing a composition containing a surfactant, A protein staining kit comprising a third section for containing a buffer solution and a fourth section for storing Z or alcohol as required.
- the protein staining kit of the present invention may further include a document describing the above-described separation method and staining method of the present invention.
- the composition containing the staining agent and the composition containing the surfactant are preferably adjusted in advance to a desired concentration.
- Extract of mouse brain thread and tissue (5.2 mg protein / ml 50 mM Tris- HC1 (pH 7.6) / 20% glycerol / 0.3 M sodium chloride / protease inhibitor cocktail 1 tab / 10 mL ( Roche-diagnostics)) were separated by two-dimensional electrophoresis. That is, this extract 7.7 AZ L was swollen (6M Urea / 2 M Thiourea / 2% CHAPS solution 191 L, ampholite (pH 3-10) ⁇ ⁇ ⁇ , 0.
- IPG immobiline pH gradient
- staining solution (97 ⁇ 37 7 ⁇ g / raL 2% SDS I 100 mM Na) using fluorescent reagent N-hydroxysuccinimide type Cy5 (Amersham Biosciences) that covalently binds to protein amino group under Al force 2 C0 3 / NaHC0 3 (pH 9.9)) 50 ⁇ is stained by sprinkling with a pipetman on an IPG gel strip and immediately applied to a 4-12% gradient SDS-polyacrylamide electrophoresis gel in the second dimension. The sample was applied and electrophoresed at 200 V for 40 min.
- Two-dimensional electrophoresis was performed in the same manner as in Example 1 except that the sodium carbonate buffer was changed to 3 mM Na 2 C0 3 / NaHC0 3 , and a protein migration image was observed. As a result, it was confirmed that the undulation of the band could be eliminated while maintaining the protein staining efficiency (Fig. 2). Similar to Example 1, the same electrophoresis pattern as in the CBB staining method was observed.
- Extract of mouse brain thread and tissue (5 mg protein / ml 50 mM Tris-HC1 (pH 7.6) / 20 glycerol / 0.3 M sodium chloride / protease inhibitor cocktail 1 tab / 10 mL (Roche-diagnostics) ) Were separated by SDS-PAGE. That is, N_hydroxysuccinimide type Cy5 (manufactured by Amersham Biosciences) stain solution (1 mg / ra L 2% SDS I 100 mM Na 2 C0 3 / NaHC0 3 (pH 9, 9)) 10 // L And then incubate at room temperature for 30 minutes. Electrophoresis was performed under the condition of 240 V 15 min.
- mice brain tissue 5 rag protein / ml 50 mM Tris-HC1 (pH 7.6) / 20% glycerol / 0.3 M sodium chloride / protease inhibitor cocktai l 1 tab / 10 mL (Roche-diagnostics) ) Were separated by SDS-PAGE.
- Example 5 Perform 2D electrophoresis in the same way as in Example 1 except that a staining solution containing no 2% SDS was used, and that 2D electrophoresis was performed 30 minutes after staining. The protein migration image was observed. As a result, almost no stained protein was observed when a staining solution containing no 2% SDS was used (FIG. 5).
- CBB staining method was performed, in which the gel after two-dimensional electrophoresis was operated for about 105 minutes.
- CBB staining was performed using Biosafe-CBB (BIO-RAD). That is, the gel after electrophoresis was washed three times at 0 for 5 minutes, stained with Biosaf-CBB solution for 60 minutes, and then washed at 0 for 30 minutes to complete the staining.
- the electrophoresis pattern is shown in FIG.
- this staining method two-dimensional electrophoresis is performed using the protein extract of the same weight according to the above-described example, and the electrophoresis image of the protein is observed with a fluorescence image analyzer, and the Ettan DIGE staining method is used. Compared. As a result, it was clarified that the electrophoretic image obtained by this staining method (FIG. 7A) can be detected with higher sensitivity than the electrophoretic image obtained by the Ettan DIGE staining method (FIG. 7B). In other words, this staining method takes less time compared to the Ettan DIGE staining method.
- a protein-containing sample by using a staining solution containing a surfactant such as SDS, a protein-containing sample can be dyed in a short time, and color can be developed with high sensitivity.
- a staining solution containing a surfactant such as SDS since the excessive amount of the stain is migrated before the protein by electrophoresis, no washing operation is required.
- the first-dimension electrophoresis it can be immediately subjected to the second-dimension electrophoretic migration by staining with a stain containing a surfactant such as SDS. Therefore, the number of steps can be reduced as compared with the conventional protein separation method, and the separation operation can be simplified. Therefore, there is provided a method capable of staining and separating proteins by electrophoresis in a simple and rapid manner.
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JP2006546784A JP4756422B2 (ja) | 2004-12-06 | 2005-12-06 | タンパク質の分離方法及び染色方法、並びにこれらの方法に用いるタンパク質染色液及びタンパク質染色用キット |
CA002589750A CA2589750A1 (en) | 2004-12-06 | 2005-12-06 | Method of separating protein, method of staining protein and liquid protein-staining agent and protein-staining kit to be used in these methods |
US11/720,927 US20090223823A1 (en) | 2004-12-06 | 2005-12-06 | Method of separating protein, method of staining protein and liquid protein-staining agent and protein-staining kit to be used in these methods |
GB0712947A GB2436048B (en) | 2004-12-06 | 2005-12-06 | Method of separating protein, method of staining protein and liquid protein-staining agent and protein-staining kit to be used in these methods |
DE112005003114T DE112005003114T5 (de) | 2004-12-06 | 2005-12-06 | Verfahren zum Trennen von Protein, Verfahren zum Färben von Protein und flüssiges Proteinfärbemittel sowie Proteinfärbekit zur Verwendung bei diesen Verfahren |
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US (1) | US20090223823A1 (ja) |
JP (1) | JP4756422B2 (ja) |
CA (1) | CA2589750A1 (ja) |
DE (1) | DE112005003114T5 (ja) |
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Cited By (3)
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JP2007114009A (ja) * | 2005-10-19 | 2007-05-10 | National Institute Of Advanced Industrial & Technology | タンパク質の分析方法 |
JP2011033548A (ja) * | 2009-08-04 | 2011-02-17 | Hoyu Co Ltd | 2次元電気泳動方法 |
JP2014077811A (ja) * | 2014-02-06 | 2014-05-01 | Hoyu Co Ltd | 2次元電気泳動方法 |
Families Citing this family (3)
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GB0718012D0 (en) | 2007-09-14 | 2007-10-24 | Lab901 Ltd | Method for protein staining prior to electrophoresis |
MX2009013417A (es) * | 2009-12-09 | 2011-06-15 | Itesm | Modificacion covalente de proteinas para su visualizacion y posterior caracterizacion mediante espectrometria de masas. |
KR20150092333A (ko) * | 2013-04-30 | 2015-08-12 | 시스템 인스트루먼츠 컴퍼니 리미티드 | 전기영동 방법 및 전기영동 장치 |
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JPH06138088A (ja) * | 1992-10-28 | 1994-05-20 | Nakarai Tesuku Kk | タンパク質染色用の色素水溶液、染色キットおよび染色方法 |
JPH0772117A (ja) * | 1992-12-24 | 1995-03-17 | Etc Elektrophorese Technik Westermeier & Schickle Gmbh | 高分解能2次元電気泳動法及びこれを行うための装置 |
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JPS59166850A (ja) * | 1983-03-11 | 1984-09-20 | Fuji Photo Film Co Ltd | 電気泳動用媒体材料 |
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SE9903988D0 (sv) * | 1999-11-03 | 1999-11-03 | Amersham Pharm Biotech Ab | Method of analysis |
US6579718B1 (en) * | 2000-08-04 | 2003-06-17 | Molecular Probes, Inc. | Carbazolylvinyl dye protein stains |
JP3607695B2 (ja) * | 2000-08-24 | 2005-01-05 | バイオ−ラッド ラボラトリーズ,インコーポレイティド | タンパク質を標識する為の乾燥粉末製剤 |
JP2003020578A (ja) * | 2001-07-04 | 2003-01-24 | Tanaka Kagaku Kenkyusho:Kk | 脱色剤、染色剤および部分脱色・染色方法 |
ATE460670T1 (de) * | 2002-07-08 | 2010-03-15 | Ge Healthcare Uk Ltd | Reagenzien sowie ein verfahren zur sättigungsmarkierung von proteinen |
WO2004113899A1 (en) * | 2003-06-17 | 2004-12-29 | Invitrogen Corporation | Chamber-forming electrophoresis cassette cover |
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- 2005-12-06 WO PCT/JP2005/022724 patent/WO2006062222A1/ja active Application Filing
- 2005-12-06 JP JP2006546784A patent/JP4756422B2/ja not_active Expired - Fee Related
- 2005-12-06 DE DE112005003114T patent/DE112005003114T5/de not_active Ceased
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- 2005-12-06 CA CA002589750A patent/CA2589750A1/en not_active Abandoned
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JPH06138088A (ja) * | 1992-10-28 | 1994-05-20 | Nakarai Tesuku Kk | タンパク質染色用の色素水溶液、染色キットおよび染色方法 |
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JP2007114009A (ja) * | 2005-10-19 | 2007-05-10 | National Institute Of Advanced Industrial & Technology | タンパク質の分析方法 |
JP2011033548A (ja) * | 2009-08-04 | 2011-02-17 | Hoyu Co Ltd | 2次元電気泳動方法 |
JP2014077811A (ja) * | 2014-02-06 | 2014-05-01 | Hoyu Co Ltd | 2次元電気泳動方法 |
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DE112005003114T5 (de) | 2008-05-08 |
US20090223823A1 (en) | 2009-09-10 |
JPWO2006062222A1 (ja) | 2008-06-12 |
GB2436048B (en) | 2009-02-11 |
GB0712947D0 (en) | 2007-08-15 |
GB2436048A (en) | 2007-09-12 |
CA2589750A1 (en) | 2006-06-15 |
JP4756422B2 (ja) | 2011-08-24 |
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