WO2012159264A1 - 一种异相生物分析试剂及其使用方法 - Google Patents
一种异相生物分析试剂及其使用方法 Download PDFInfo
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- WO2012159264A1 WO2012159264A1 PCT/CN2011/074601 CN2011074601W WO2012159264A1 WO 2012159264 A1 WO2012159264 A1 WO 2012159264A1 CN 2011074601 W CN2011074601 W CN 2011074601W WO 2012159264 A1 WO2012159264 A1 WO 2012159264A1
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- 0 **c1ccc(CO[N+](N)[O-])cc1 Chemical compound **c1ccc(CO[N+](N)[O-])cc1 0.000 description 1
- ABSTXSZPGHDTAF-UHFFFAOYSA-N CC(CCC(O)=O)N Chemical compound CC(CCC(O)=O)N ABSTXSZPGHDTAF-UHFFFAOYSA-N 0.000 description 1
- SOBVQWJHURWTQZ-UHFFFAOYSA-N CCNCOCOc1ccc(C)cc1 Chemical compound CCNCOCOc1ccc(C)cc1 SOBVQWJHURWTQZ-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
- G01N33/54313—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals the carrier being characterised by its particulate form
- G01N33/54346—Nanoparticles
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/34—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving hydrolase
- C12Q1/37—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving hydrolase involving peptidase or proteinase
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- 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
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/5306—Improving reaction conditions, e.g. reduction of non-specific binding, promotion of specific binding
-
- 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
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/536—Immunoassay; Biospecific binding assay; Materials therefor with immune complex formed in liquid phase
- G01N33/542—Immunoassay; Biospecific binding assay; Materials therefor with immune complex formed in liquid phase with steric inhibition or signal modification, e.g. fluorescent quenching
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- 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
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
- G01N33/54306—Solid-phase reaction mechanisms
-
- 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
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
- G01N33/54353—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals with ligand attached to the carrier via a chemical coupling agent
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- 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
- G01N33/58—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving labelled substances
- G01N33/582—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving labelled substances with fluorescent label
Definitions
- the invention belongs to the field of biological detection, and particularly relates to a heterogeneous biological analysis reagent and a using method thereof. Background technique
- the bioanalytical reagent is divided into an antigen-binding reagent (B) and an antigen-free reagent (F), or a combined (B) and free (F); The content of the antigen in the specimen is detected.
- B antigen-binding reagent
- F antigen-free reagent
- B and F have different characteristics and can be measured without separation. This is homogeneous.
- Both homogeneous and heterogeneous immunoassays have their own characteristics in the design of automated systems. Most marker immunoassays are heterogeneous. The most commonly used means of separation of B and F is the washing of the solid support.
- the existing heterogeneous biological analysis reagent indirectly fixes the target (A) to be detected to the solid directly or through an adaptor (such as B, target detector 2) capable of binding to the target.
- an adaptor such as B, target detector 2
- a heterogeneous bioassay that is capable of binding to the target directly or indirectly through an adapter is fixed by the target, and then the unbound heterogeneous bioassay reagent is washed away;
- the signal generating unit in the signal generator emits a signal under the action of an external signal generating source, and calculates the target content based on the detected signal intensity.
- contrast reagents such as organic fluorescent dyes, including fluorescein, rhodamine and the like.
- Organic fluorescent dyes have higher fluorescence efficiency and longer excitation wavelength, but are easy to photobleach, and the fluorescence self-quenching effect is severe in the coupling with biomolecules.
- Other commonly used contrast agents have similar problems, and the contrast agents interact with each other to cause a decrease in the intensity of the emitted signal. Summary of the invention
- the present invention provides a heterogeneous biological analysis reagent and a method for using the same, which solves the problem that the contrast molecules of the contrast agent existing in the prior art interact with each other to cause a low signal intensity.
- the contrast reagent in the heterogeneous biological analysis reagent does not affect each other, and can emit a strong signal, thereby improving the sensitivity of the biological analysis and having high stability.
- the heterogeneous bioanalytical reagent is simple and accurate to use.
- a biological analysis reagent comprising a target detector and a signal generator, wherein the target detector and the signal generator are connected in three ways, (1) directly connected; (2) through a linker or A spacer (Spacer) or an adapter (Adaptor) is indirectly coupled; (3) indirectly coupled by a carrier, the signal generator comprising the following formula:
- the number of trigger switches is a non-negative integer.
- the z trigger switches can be the same or different, but only when the first trigger switch near the pi end is turned on, the second trigger switch at the pi end can be Open, then third, and so on;
- pi is the end group protecting group of the trigger switch, and may also represent the interface between it and the target detector; y: the number of pi, the value is 0 or 1;
- (LS) N is a self-immolative linker or spacer, N LSs may be the same or different, and N is a non-negative integer;
- (4) p2 is a terminal protecting group of a degradable polymer, and may also represent an interface between it and a target detector;
- the signal generator is in a latent state during the wash separation process (the contrast reagent emits a weak signal or no signal when excited by an external signal source), and after the separation process is finished, the latent is added by adding or applying a trigger contrast reagent to the analysis system.
- An induced substance or condition that enters an excited state to directly degrade the polymer or The trigger is turned on in sequence to degrade the polymer (if necessary and the necessary external source is turned on) to excite or significantly enhance the detection signal.
- the degradable polymer is a linear or technical polymer carrier
- the latent contrast agent supported on the polymer includes a fluorescent or color changing dye, a luminescent substrate, an ultrasonic reagent, MRI/PET I CT/SPECT reagent.
- a biological analysis reagent according to claim 2 characterized in that the signal generator is composed of the following formula, X(F)-p2, wherein
- X(F) is a linear or technical bioenzymatic degradation polymer carrying a fluorescent dye molecule by a covalent bond, and the fluorescent dye molecule is significantly weakened by self-quenching or electron-withdrawing effect.
- the bioenzyme degrades the polymer and eliminates self-quenching while releasing the fluorescence.
- a biological analysis reagent according to claim 2 characterized in that the signal generator is composed of the following formula: pi-X(F)-p2, wherein
- X(F) is a linear or technical bioenzymatic degradation polymer carrying a fluorescent dye molecule by a covalent bond, and the fluorescent dye molecule is significantly weakened by self-quenching or electron-withdrawing effect.
- the bioenzyme degrades the polymer and eliminates self-quenching while releasing the fluorescence.
- p2 is an X (F) end group protecting group or an interface with a target detector
- (AA) n is the trigger switch domain composed of the enzyme substrate domain, n is a positive integer Number, the enzyme cuts the signal generator from (into and ⁇ : ⁇ ; or when (LS) N does not exist, the enzyme cuts the signal generator from (into: ⁇ and X(F) open;
- ( LS) N is a self-degrading linker or spacer.
- ⁇ LS may be the same or different, ⁇ is a non-negative integer;
- pi is an end group protecting group of (AA) n and may also represent an interface portion with a target detector;
- X(F) is a linear or technically degradable polymer carrying a fluorescent dye molecule, and the fluorescent dye molecules are significantly weakened by self-quenching or electron-withdrawing effects.
- the repeating unit of the polymer carrier is connected, and its fluorescence emission intensity is significantly weakened by self-quenching;
- cysteine-containing aspartate proteolytic enzyme family caspase family protease: caspases-l, 2, 3,6,7,8,9,10andl2
- DPPIV dipeptidyl peptidase 4
- calpain calpain
- chymotrypsin serine protea
- tryptase serine protease
- HDACs histone deacetylases
- deacetylases sirtuins
- ⁇ - glucuronidase ⁇ - galactosides --galacosidase
- lipase esterase , protease
- protease plasmin
- bacterial carboxypeptidase G2 antibody Enzyme (also known as catalytic antibody).
- the type II biological enzyme includes a biological enzyme that cleaves ⁇ -amino:protected lysine.
- Type I biological enzyme and corresponding ( ⁇ ) ⁇ , trigger switch ( ⁇ ) ⁇ is an amino acid or a derivative thereof
- Z carboxylbenzyl
- Sue succinyl
- Ac acetyl
- X(F) is a degradable polymer carrying a contrast agent, and AA is an amino acid or a derivative thereof. (Into: ⁇ and X(F) may contain one or more Self-immolative Linker or Spacer. Table 2, type I biological enzymes and corresponding (AA) n , trigger switches (eight eight ⁇ is a non-amino acid and its derivatives
- n is an enzyme substrate domain, and n is a non-negative integer
- N LSs may be the same or different, and region N is a non-negative integer
- pl is an end group protecting group of (AA) n and may also represent an interface portion with a target detector;
- P2 is an ⁇ -gas-based protecting group, including t-butyloxycarbonyl, acetyl, hexanoyl, octanoyl, or benzyloxycarbonyl or H or a dye molecule (dye),
- p2 P3, which is the interface with the target detector or -NH 2 or other small molecule or macromolecular fragment;
- the dye molecule (dye) is a self-quenching dye, and m is greater than or equal to 1. Integer.
- a bioanalytical reagent according to claim 10 characterized in that the polylysine is cleaved from the C-stage with ⁇ -amino unprotected lysine by Trypsin to degrade it into a fluorescent dye-a- The lysine monomer, thereby allowing the self-quenching of the dye to disappear and release fluorescence.
- bioanalytical reagent according to claim 6 wherein the degradable polymer is a self-degrading polymer, and a self-degrading agent that releases an excited state.
- cysteine-containing aspartate proteolytic enzyme family caspase family protease: caspases- l,2,3,6,7,8,9,10andl2
- DPPIV dipeptidyl peptidase 4
- calpain calpain
- chymotrypsin serine protease
- tryptase serine protease
- HDACs histone deacetylases
- deacetylases sirtuins
- ⁇ - glucuronidase ⁇ - galactosides --galacosidase
- lipase esterase , protease
- protease plasmin
- bacterial carboxypeptidase G2 antibody Catalytic antibody (also known as catalytic antibody).
- Catalytic antibody also known as catalytic antibody. Tables 1 and 2 list the type I biological enzymes and the corresponding (AA) n .
- the present invention provides a heterogeneous biological analysis reagent, characterized in that the target detector in the above technical solution 10 is an antibody or an effective fragment thereof, and the carrier is a nanoparticle having a surface carrying -NH 2 .
- the signal generator includes the following structure:
- (AA) n DEVD
- pi Cysteine-Glycine-Glycine
- P 2 in the X(F) structure is a Cy7 dye
- p2 is -NH 2
- the dye molecule is Cy7
- m 9.
- the present invention provides a method for preparing a heterogeneous biological assay reagent according to the above aspect 16, characterized in that the method comprises the following steps:
- the signal generator was synthesized according to the following procedure: CGGDEVD-(Cy7-a-Lys) 10- NH 2 peptide synthesis was performed using Applied Biosystems, Inc. (ABI) 433A Automated Solid Phase Synthesizer , using solid phase peptide synthesis Fmoc method, insoluble carrier resin, Fmoc-Rink Amide TentaGel solid phase synthetic resin (AnaSpec, USA company), HBTU/HOBt ( 0.45 M in DMF ) / DIPEA ( 2 M DIPEA in NMP ) Or HATU / DIPEA as activator, piperidine as a deprotecting agent; 10 times the molar amount of the appropriately protected amino acid (Immol amino acid) in a small plastic bottle; NMP is used as a coupling The solvent in the process, and dichloromethane (DCM) is used to clean the solid phase resin (before the coupling reaction and after the coupling reaction);
- DCM dichloromethane
- the resin is treated with 2% hydrazine solution.
- TIS Triisopropylsilane Triisopropyl
- TFA Trifluoroacetic acid trifluoroacetic acid
- DIPEA N, N-Diisopropylethylamine N , N-diisopropylethylamine DIEA (N-diisopropylethylamine)
- NMP N-methylpyrrolidone 1 -methyl-2-indole ketone
- HBTU 2-(1 H-Benzotriazole- 1 -yl)- 1,1,3,3 -tetramethyluroniumHexafluorophosphate benzotriazole - hydrazine, hydrazine, hydrazine, ⁇ '-tetramethyluron hexafluorophosphate
- Sulfosuccinimidyl-4-(N-maleimidomethyl)cyclohexane- 1 -carboxylate (Sulfo-SMCC) is converted to maleimide (maleimide), and then excess SMCC or (Sulfo-SMCC) is removed;
- step (3) adding the product of step (3) to the product of step (2), the -SH functional group produced in step (3) and the maleimide carried by the nanoparticles in step (2) in a buffer of pH 6-8
- a compound such as PEG-Maleimide, Sulfo-Maleimide, gently stirred at 2-8 ° C for 10-300 minutes;
- the signal generator system then adds an auxiliary agent which stabilizes the target product to the target product, and stores the product at a low temperature.
- the present invention provides a heterogeneous biological analysis reagent, characterized in that the target detector in the above technical solution 10 is an antibody or an effective fragment thereof, and the carrier is a nanoparticle having a surface carrying -NH 2 .
- the signal generator includes the following structure:
- (AA) n DEVD
- pi Cysteine-Glycine-Glycine
- P2 in the X(F) structure is Cy7 dye
- p2 is -NH 2
- Cy7 Cy7
- m 9
- the feature is that the method comprises the following steps:
- the signal generator is synthesized according to the following procedure: CGGDEVD-(LS) N - (Cy7-a-Lys) 10 -NH 2 Solid phase synthesis process:
- the resin was treated with 2% hydrazine solution to protect the Dde group in Dde-Lys(Fmoc)-OH; 30 mmol Cy7-NHS (produced by GE Healthcare) was added. After 1 hour, the resin was washed successively with DMF/DCM. Post-treatment is the same as the technical solution 18; (3) the passage of -NH 2 carried on the nanoparticles
- SMCC SMCC
- Sulfo-SMCC is converted to maleimide (maleimide), and then excess SMCC or (Sulfo-SMCC) is removed;
- step (4) adding the product of step (4) to the product of step (3), and producing - SH officer of step (4)
- a Maleimide functional group such as PEG-Maleimide, Sulfo-Maleimide
- kits (package) for a signal generator based on the first aspect of the invention comprising using the biological enzymes listed in Tables 1 and 2 and corresponding (AA) n .
- the contrast reagent (also known as the signal generating unit) in the heterogeneous biological analysis reagent provided by the invention cannot directly emit a strong signal under the action of the external signal generating source, and further induces the substance or changes the test.
- the condition degrades the polymer carrying a large number of contrast reagents, and the contrast reagent is in a free state to emit a strong signal.
- the method for using the heterogeneous biological analysis reagent is simple and accurate.
- the heterogeneous biological analysis reagent provided by the invention has two major advantages. One can be not limited to the self-quenching of the fluorescent dye, and can load as many dye molecules as possible, and the second can be effective. Auto-Bleaching of dye molecules.
- Figure 1 is a schematic diagram of the principle of the existing heterogeneous biological analysis reagent
- Figure 2 is a diagram of the composition of the signal generator of the present invention and the use of the existing signal generator different;
- FIG. 3 is a diagram showing the action mechanism of the polymer in the signal generator of the present invention as an enzymatic degradation polymer
- FIG. 4 is a diagram showing the action mechanism of the polymer in the signal generator of the present invention as a self-degrading polymer
- the contrast reagent (also referred to as the signal generating unit) in the heterogeneous biological analysis reagent provided by the invention cannot directly emit a strong signal in the action of the external signal generating source, and further needs to add the inducing substance or change the test condition so as to carry a plurality of contrast reagents.
- the polymer degrades and the contrast reagent is in a free state before it emits a strong signal. We call it the signal generating unit from the latent state to the excited state.
- the signal generator in the latent state the contrast reagent has no signal or emits a weak signal
- the heterogeneous biological analysis reagent is used as follows: After the separation step in the process of using the heterogeneous biological analysis reagent, directly Type II biological enzyme is added, the type II biological enzyme includes Trypsin; the polylysine cleaves ⁇ -amino unprotected lysine from the C-terminus with Trypsin, and degrades it into a fluorescent dye- ⁇ -lysine single The body, so that the self-quenching of the dye disappears and the fluorescence is released; then, the external signal source is activated to read the signal or directly read the signal (the signal emitted by itself, such as the signal is illuminating).
- the type I biological enzyme is first added to cut ( ⁇ ) ⁇ with (LS)N or X(F), after which Adding type II bio-enzyme to degrade poly-lysine into fluorescent dye- ⁇ -lysine monomer, so that the self-quenching of the dye disappears and releases fluorescence; then, the external signal source is activated to read the signal or directly read Signal (a signal emitted by itself, such as a signal that emits light).
- the polymer in the signal generator of the present invention is a self-degrading polymer, first adding a type I biological enzyme to cut ( ⁇ ) ⁇ with (LS)N or X(F), and then wait Immediately following the linear or technical self-degrading polymer to automatically degrade and release the free dye; then, start the external signal source to read the letter The signal is read directly (the signal emitted by itself, such as the signal is illuminated).
- the heterogeneous biological analysis reagent is synthesized, comprising the following steps: (1) synthesizing the signal generator according to the technical scheme 12: CGGDEVD-(Cy7-a-Lys) 10 -NH 2
- the step (4) is passed through Superdex 200 to collect the target product: (Goat-anti-rabbit IgG) x - nanoparticle-[CGGDEVD-(Cy7-a-Lys) 1Q -NH 2 ] y , and then to the target An auxiliary agent which stabilizes the target product is added to the product, and the product is stored at a low temperature.
- the rabbit immunoglobulin nitrocellulose membrane obtained in the step (1) was placed in 10 ml of PBS buffer containing 5% by weight of milk, and after shaking for 10 minutes, the immunoglobulin was washed with the above PBS. The protein membrane was washed three times, then the buffer was drained and the nitrocellulose membrane was retained.
- the rabbit immunoglobulin nitrocellulose membrane obtained in the step (2) was placed in a solution containing 15 pmol (calculated as nanoparticles) of the heterogeneous analysis reagent obtained in Example 1 and 5% milk in 10 ml of PBS buffer for 30 minutes. , then pour off the buffer and leave the nitrocellulose membrane.
- Axxora humanized recombinant Caspase-3 (human recombinant, Lyophilized, active.) was dissolved in 15% glycerol PBS solution, then diluted in 50 mM HEPES, pH 7.2, 50 mM NaCl, 0.1% CHAPS, lOmM EDTA In a solution of 5% glycerol and lOmM DTT, a lU/ ⁇ caspase 3 solution was obtained.
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Abstract
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PCT/CN2011/074601 WO2012159264A1 (zh) | 2011-05-24 | 2011-05-24 | 一种异相生物分析试剂及其使用方法 |
US14/119,527 US20150031046A1 (en) | 2011-05-24 | 2011-05-24 | Bioanalytical Reagent used in Heterogeneous Phase and Usage Method Thereof |
CN201180024244.8A CN102985825B (zh) | 2011-05-24 | 2011-05-24 | 一种生物分析试剂及其使用方法 |
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WO2019091384A1 (en) | 2017-11-08 | 2019-05-16 | Yafei Shanghai Biolog Medicine Science & Technology Co., Ltd. | Conjugates of biomolecule and use thereof |
CN109836470B (zh) * | 2019-03-22 | 2022-03-22 | 河北大学 | 一种自动合成多肽分子内二硫键的方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999056130A1 (en) * | 1998-04-29 | 1999-11-04 | Queen Mary & Westfield College | Method for assaying a plurality of analytes |
CN1261665A (zh) * | 1999-12-08 | 2000-08-02 | 中国人民解放军军事医学科学院放射医学研究所 | 一种复合基因探针的结构和用途 |
CN1434286A (zh) * | 2003-02-27 | 2003-08-06 | 东南大学 | 可用于非标记检测的固相化核酸探针 |
CN1829803A (zh) * | 2003-07-18 | 2006-09-06 | Qtl生物系统有限公司 | 蛋白酶活性分析 |
US20080220407A1 (en) * | 2005-04-22 | 2008-09-11 | The Hong Kong University Of Science And Technology | Fluorescent water-soluble conjugated polyene compounds that exhibit aggregation induced emission and methods of making and using same |
US20100111871A1 (en) * | 2007-04-10 | 2010-05-06 | Gambhir Sanjiv S | Photoacoustic probes and methods of imaging |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5719031A (en) * | 1996-08-14 | 1998-02-17 | Molecular Probes, Inc. | Dye labeled polymers as reagents for measuring polymer degradation |
US6083486A (en) * | 1998-05-14 | 2000-07-04 | The General Hospital Corporation | Intramolecularly-quenched near infrared fluorescent probes |
AU2002251739A1 (en) * | 2001-01-05 | 2002-07-30 | The General Hospital Corporation | Activatable imaging probes |
EP1888115A2 (en) * | 2005-05-16 | 2008-02-20 | Universite De Geneve | Compounds for photochemotherapy |
WO2007100392A2 (en) * | 2005-11-30 | 2007-09-07 | Biotium, Inc. | Enzyme substrate comprising a functional dye and associated technology and methods |
WO2008078190A2 (en) * | 2006-12-21 | 2008-07-03 | Universite De Geneve | Compounds for fluorescence imaging |
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2011
- 2011-05-24 WO PCT/CN2011/074601 patent/WO2012159264A1/zh active Application Filing
- 2011-05-24 US US14/119,527 patent/US20150031046A1/en not_active Abandoned
- 2011-05-24 CN CN201180024244.8A patent/CN102985825B/zh not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999056130A1 (en) * | 1998-04-29 | 1999-11-04 | Queen Mary & Westfield College | Method for assaying a plurality of analytes |
CN1261665A (zh) * | 1999-12-08 | 2000-08-02 | 中国人民解放军军事医学科学院放射医学研究所 | 一种复合基因探针的结构和用途 |
CN1434286A (zh) * | 2003-02-27 | 2003-08-06 | 东南大学 | 可用于非标记检测的固相化核酸探针 |
CN1829803A (zh) * | 2003-07-18 | 2006-09-06 | Qtl生物系统有限公司 | 蛋白酶活性分析 |
US20080220407A1 (en) * | 2005-04-22 | 2008-09-11 | The Hong Kong University Of Science And Technology | Fluorescent water-soluble conjugated polyene compounds that exhibit aggregation induced emission and methods of making and using same |
US20100111871A1 (en) * | 2007-04-10 | 2010-05-06 | Gambhir Sanjiv S | Photoacoustic probes and methods of imaging |
Non-Patent Citations (2)
Title |
---|
BOGDANOV JR. ALEXEI A. ET AL.: "Cellular activation of the self-quenched fluorescent reporter probe in tumor microenvironment", NEOPLASIA, vol. 4, no. 3, 2002, pages 228 - 236 * |
LU, LIANGDE ET AL.: "Superquenching in cyanine pendant poly(L-Lysine) dyes: dependence on molecular weight, solvent, and aggregation", J. AM. CHEM. SOC., vol. 124, no. 3, 29 December 2001 (2001-12-29), pages 483 - 488 * |
Also Published As
Publication number | Publication date |
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CN102985825B (zh) | 2015-08-19 |
US20150031046A1 (en) | 2015-01-29 |
CN102985825A (zh) | 2013-03-20 |
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