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232 results about "Myoglobin" patented technology

Myoglobin (symbol Mb or MB) is an iron- and oxygen-binding protein found in the muscle tissue of vertebrates in general and in almost all mammals. It is distantly related to hemoglobin which is the iron- and oxygen-binding protein in blood, specifically in the red blood cells. In humans, myoglobin is only found in the bloodstream after muscle injury. It is an abnormal finding, and can be diagnostically relevant when found in blood.

Turbidimetric rapid detection kit for myocardial infarction nano-immunoenhancement and use method thereof

The invention provides a turbidimetric rapid detection kit for myocardial infarction nano-immunoenhancement. The turbidimetric rapid detection kit comprises a reaction-detection integrated device, and a detection kit arranged in the reaction device, wherein a reagent R1, a reagent R2 and a calibrator are contained in the detection kit; simultaneously, quantitative detection for five important myocardial infarction-related biomarkers in one sample can be realized, and the five important biomarkers include content of troponin-I, content of D-dimer, content of myoglobin, content of hypersensitive C-reactive protein (hs-CRP) and content of heart-type fatty acid binding protein (FABP); and the turbidimetric rapid detection kit has an important clinical significance in the aspects of early diagnosis and disease course monitoring for myocardial infarction, treatment monitoring for medicines, and the like. The turbidimetric rapid detection kit provided by the invention realizes the integration of the reagents and the reaction device, and is simple, rapid and accurate to operate, high in sensitivity, strong in specificity, and low in detection cost; and the turbidimetric rapid detection kit is a detection/reagent measurement integrated kit suitable for outpatient and emergency treatment/clinical detection, and wide in instrument application range.
Owner:SUZHOU DIAGVITA BIOTECH

Sheathless interface for capillary electrophoresis/electrospray ionization-mass spectrometry using an in-capillary electrode

A simple and rugged sheathless interface for capillary electrophoresis/electrospray ionization-mass spectrometry (CE/ESI-MS) was designed using common laboratory tools and chemicals. The interface uses a small platinum (Pt) wire which is inserted into the CE capillary through a small hole near the terminus. The position of the wire inside the CE capillary and within the buffer solution is analogous to standard CE separation operations where the terminus of the CE capillary is placed inside a buffer reservoir along with a grounded platinum electrode. By combining the use of the in-capillary electrode interface with sharpening of the fused silica tip of the CE capillary outlet, a stable electrospray current was maintained for an extended period of time. The design was successfully applied to CE/ESI-MS separations and analysis of mixtures of peptides and proteins. A detection limit of approximately 4 femtomole (S/N=3) was achieved for detection of myoglobin utilizing a 75 mum-i.d. aminopropylsilane treated CE column and using a wide scan range of 550-1350 Da. The advantages of this new design include: (1) a stable CE and ESI current, (2) durability, (3) a reduced risk of sparking between the capillary tip and the inlet of the mass spectrometer, (4) lack of any dead volume, and (5) facile fabrication with common tools and chemicals.
Owner:INTELLECTUAL VENTURES HLDG 40

Myoglobin detection reagent kit and method for applying same

The invention belongs to the field of in-vitro diagnostic reagent kits, and particularly relates to a myoglobin detection reagent kit and a method for applying the same. The myoglobin detection reagent kit comprises calibration products, reagents R1, enzyme conjugate working solution R2, magnetic bead conjugate working solution M, cleaning solution and chemiluminescent substrates. The reagents R1contain imidazole components, blood cells in whole blood can be quickly removed by the imidazole components, and accordingly the possibility that magnetic beads are swallowed by the blood cells can beeffectively prevented; the cleaning solution contains sodium lauryl sulfate components, accordingly, cleaning effects can be enhanced, and non-specific binding of the chemiluminescent substrates canbe prevented. The myoglobin detection reagent kit and the method have the advantages that finger peripheral whole blood or anticoagulant venous whole blood can be directly used as a to-be-detected sample for the myoglobin detection reagent kit, the whole blood sample can be directly detected without being pretreated, accordingly, the detection speed can be greatly increased, operation steps can besimplified, the application range of the myoglobin detection reagent kit can be expanded, and large-scale popularization and application can be facilitated.
Owner:NANTONG EGENS BIOTECH

Production method and application of electrode modified with gold nano-cage and myoglobin

The invention discloses a production method and an application of an electrode modified with gold nano-cage and myoglobin. The production method comprises the following steps: taking graphite powder and an ionic liquid HPPF6 according to a mass ratio of (1.5-2.5):1, placing the graphite powder, the ionic liquid and liquid paraffin in a mortar, carrying out uniform grinding to obtain a carbon paste, filling a glass electrode tube with the carbon pate, and inserting a copper wire as a lead wire to obtain a carbon ionic liquid electrode CILE; dispensing 6-10 [mu]L of a AuNCs solution on the surface of the CILE, and naturally drying the CILE in a dark place under room temperature conditions to obtain an AuNCs/CILE electrode; dispensing 6-10 [mu]L of a 10-20 mg mL<-1> Mb solution on the surfaceof the AuNCs/CILE electrode, and naturally drying the AuNCs/CILE electrode in a dark place at room temperature to obtain a Mb/AuNCs/CILE electrode; and dispensing 4-8 [mu]L of a 0.3-0.7% Nafion ethanol solution on the surface of the Mb/AuNCs/CILE electrode, and drying the Mb/AuNCs/CILE electrode in a dark place at room temperature to obtain the Nafion/Mb/AuNCs/CILE electrode. The modified electrode has a good electrocatalytic reduction effect on trichloroacetic acid, sodium nitrite and hydrogen peroxide, has the advantages of wide linear range, low detection limit and high sensitivity, and can be well applied to the detection of the content of above three substances in an object.
Owner:HAINAN NORMAL UNIV

Immunofluorescence dipstick component for quickly and quantitatively detecting protein of plurality of types and detection card component prepared from same and preparation method thereof

The invention discloses an immunofluorescence dipstick component for quickly and quantitatively detecting protein of a plurality of types and a detection card component prepared from the same and a preparation method thereof, wherein the protein of a plurality of types comprises muscle hemoglobin/creatine kinase isoenzyme/troponin I; the dipstick component comprises a dipstick consisting of a bottom liner, a water-absorbing pad, a coated analysis membrane and a sample pad and independently packaged fluorescein mark specific antibodies; three detection lines and a quality control line are arranged on the coated analysis membrane; the detection line on the coated analysis membrane is respectively coated with an anti-myoglobin monoclonal antibody line, an anti-creatine kinase isozyme monoclonal antibody line and a troponin I monoclonal antibody line; the quality control line is coated with a rabbit IgG antibody; the fluorescein mark specific antibodies comprise the anti-myoglobin monoclonal antibody line, the anti-creatine kinase isozyme monoclonal antibody line, an troponin I monoclonal antibody and an anti-rabbit IgG antibody; and the detection card component comprises the dipstick, a card box consisting of a cover plate and a back plate and independently packaged platinum porphyrin mark specific antibodies and can synchronously detect the muscle hemoglobin/creatine kinase isoenzyme/troponin I, is simple to operate, is quick and sensitive, and has good specificity.
Owner:GUANGZHOU HONGQI OPTICAL INSTR TECH

Method, system and chip test paper for parallel detection on various cardiac markers

The invention discloses a method, system and chip test paper for parallel detection on various cardiac markers. The chip test paper is used for detecting a part or all of the cardiac markers including cTNI (cardiac troponin I), cTNT (cardiac troponin T), MYO (myoglobin), CK-MB (isoenzymeof creatine kinase containing M and B subunits), BNP (B-type natriuretic peptide), CRP (C-reactive protein) and FABP (fatty acid-binding protein); the chip test paper comprises a first membrane and a second membrane; a ligand An of each marker is arranged on the first membrane, and a ligand Bn coupled with a signal marker is absorbed on the second membrane; and a detected material forming sandwich detection together with the ligands An and Bn is added from a sampling hole, then under the acting force of percolation or other factors, the detected material moves to be combined with the ligands An and Bn respectively to form a composite array of the first membrane-the ligand An-the detected material-the ligand Bn-the signal marker, which is fixed on the first membrane, the composite array and a capture fiber membrane are assembled simultaneously, and a detection hole is reserved. The method, the system and the chip test paper provided by the invention can be used for detecting the various cardiac markers simultaneously and quantitatively; moreover, the detection sensitivity can be improved, and the detection time is saved.
Owner:SHANGHAI LINC BIO SCI

Three-in-one detection kit for cardiac troponin I, creatine kinase isoenzyme and myoglobin and preparation method of three-in-one detection kit

InactiveCN107664700ARapid responseClear clinical guidanceDisease diagnosisBiological testingCreatine kinaseCreatine kinase isoenzyme
The invention relates to the technical field of fluorescence immunochromatography in medical immunology and in particular relates to a three-in-one detection kit for cardiac troponin I, creatine kinase isoenzyme and myoglobin and a preparation method of the three-in-one detection kit. The three-in-one detection kit comprises a test paper card, and is characterized in that a PVC (Polyvinyl Chloride) panel, a sample pad, a conjugate pad, a nitrocellulose membrane and an absorbent pad are sequentially arranged on the test paper card from bottom to top, wherein a cardiac troponin I, creatine kinase isoenzyme and myoglobin three-in-one monoclonal antibody labeled with rare-earth fluorescence microspheres is adsorbed onto the conjugate pad; the diameter of the rare-earth fluorescence microspheres is 60-120nm; the rare-earth fluorescence microspheres are doped with rare-earth lanthanide elements, are stable in a ground state and can emit fluorescence in a wavelength range of 540-600nm under the action of an excitation light source of 340-380nm; and the monoclonal antibody is a purified and mixed monoclonal antibody and is derived from a monoclonal antibody cell strain targeted at 2-6 different cardiac troponin I, creatine kinase isoenzyme and myoglobin three-in-one antigen epitopes. The three-in-one detection kit disclosed by the invention has the advantages of being simple and convenient in operation, rapid in response, high in sensitivity, high in specificity and the like.
Owner:WEIHAI NEOPROBIO

Kit for determining myoglobin

The invention relates to the technical field of medicine and biochemistry and particularly relates to a kit for determining myoglobin. The kit is composed of double reagents R1 and R2, wherein the reagent R1 is prepared from the following components: 15mmol/L-145mmol/L of a Tris buffering solution, 50mmol/L-200mmol/L of sodium chloride, 5g/L-20g/L of polyethylene glycol-8000, 0.4g/L-1.2g/L of sodium azide, 12g/L-32g/L of bovine serum albumin and a solvent which is a purified water; the reagent R2 is prepared from the following components: 50mmol/L-150mmol/L of a Tris buffering solution, 4g/L-26g/L of bovine serum albumin, 5g/L-15g/L of glycerol, 0.6g/L-1.2g/L of sodium azide, 1g/L-4g/L of an emulsion-coated anti-human myoglobin antibody and a solvent which is purified water. Myoglobin (MYO) in the sample can be combined with the corresponding specific anti-MYO antibody in the reagent R2 to form an antigen-antibody complex and certain turbidity is generated. The turbidity level and the content of an antigen form a direct proportion when the certain antibody exists. The turbidity is determined under a certain wavelength and quantitative determination of the myoglobin can be carried out through a multi-point calibration curve. The kit has the advantages of high accuracy, convenient operation and the like.
Owner:ANHUI IPROCOM BIOTECH CO LTD
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