32results about How to "Rapid Analysis" patented technology

The present invention provides a low cost imaged-based system for detecting, measuring and/or counting labeled features of biological samples, particularly blood specimens. In one aspect, the invention includes a system for imaging multiple features of a specimen that includes one or more light sources capable of successively generating illumination beams each having a distinct wavelength band and a plurality of differentially excitable labels capable of labeling a specimen comprising multiple features, such that each different feature is labeled with a different differentially excitable label. System of the invention may further include a controller operationally associated with the one or more light sources for successively directing illumination beams onto the specimen so that each of the different differentially excitable labels is successively caused to emit an optical signal within the same wavelength band, an optical system capable of collecting such emitted optical signals and forming successive images corresponding to the labeled features of the specimen on a light-responsive surface to form successive sets of image data thereof, and a disposable cuvette for collection and optical analysis of non-red blood cells.

The invention provides a method for measuring the dissolved oxygen of a water body by a flow-injection chemiluminiscence mode. The method comprises the following steps: (1) a water sample pump conveys measured water body solution; (2) the water body solution is mixed with hydrogen peroxide solution; (3) the solution mixed with hydrogen peroxide is mixed with acid buffer solution, and then enters a cooling pipe; (4) the mixed solution flows out of the cooling pipe, is mixed with luminal solution and alkaline buffer solution in an alkaline buffer solution pipeline and flows into a detection room; and (5) a photomultiplier acquires and amplifies light signals emitted by passed solution, converts the light signals into electric signals, and conveys the electric signals into a microcomputer data processing system, and the microcomputer data processing system quantizes the signals, and calculates the concentration of the dissolved oxygen in the water body. The method provided by the invention has the advantages of high sensitivity, wide linear range, fastness, good reproducibility, high automation degree and high accuracy and the like.

The invention provides a detecting device and method for detecting flow injection chemiluminescence water inorganic mercury by inhibiting, aims to solve the problems that in the prior art, analyzing time is long, conditions are rigorous, energy consumption is high, secondary pollution can be produced, concentration of ozone is unstable and lighting efficiency is low and the like. According to the device, hydrophobic transparent material is coated on on the upper portion on the inner face of a dynamic ozone solution balancing pipe close to the face of a ultraviolet tube, and a plurality of reflectors are arranged on the lower portion. By the aid of the scheme, dissolved ozone is precipitated rarely when the ozone solution flows through a dynamic ozone solution balancing chamber, stability of ozone concentration is guaranteed, and lights are reflected to the solution through the prismatic reflectors to improve ozone-dissolving lighting efficiency. The detecting device used for detecting the inorganic mercury in water has the advantages of scene, rapidness, convenience and flexibility.

The invention discloses a method for detecting aflatoxin B1 by enzyme-labeled aptamer. The method sequentially includes the steps: (1) taking a coated microporous plate, adding a sample to be detected and a specific probe for co-incubation and then washing the microporous plate; (2) detecting the aflatoxin B1 by detecting corresponding signals of the specific probe. The coated microporous plate is a microporous plate coated with aflatoxin B1-BSA conjugates, the specific probe is a compound of a first element and a second element, the first element is a substance obtained by connecting biotin to the tail end of the aptamer specifically combined with the aflatoxin B1 by the aid of triethylene glycol serving as a connecting arm, and the second element is horseradish peroxidase-labeled streptavidin. The enzyme-linked aptamer analysis method has the advantages of simplicity, rapidness and high sensitivity, a plurality of samples can be rapidly analyzed, a detection kit can be made, and the method has a great application prospect in AFB1 analysis detection.

The invention provides a detecting device and method for detecting flow injection chemiluminescence water inorganic mercury, aims to solve the problems that in the prior art, an ozone solution is easy to decompose, on-site operation cannot be performed, analyzing time is long, analyzing process is complicated, conditions are rigorous, energy consumption is high, secondary pollution can be produced and the like. A catalyst of ruthenium trichloride is filled into a dynamic ozone solution balancing pipe; when the ozone solution flows into the dynamic ozone solution balancing pipe, the catalyst of the ruthenium trichloride is irradiated by a fluorescent light, the ozone in the ozone solution is inhibited from generating hydroxyl radicals, the ozone solution is stable and decompose rarely, and stability of the ozone solution is improved. The detecting device used for detecting the inorganic mercury in water has the advantages of scene, rapidness, convenience and flexibility.

The invention provides a method for measuring a water sulfide concentration through flow injection chemiluminescence. The method is performed according to the following steps of: 1. inputting a measured water sample into a water sample reaction chamber in a reaction chamber; 2. delivering ozone into the water sample reaction chamber in the reaction chamber, performing a gas-liquid phase reaction for 30-50s, carrying out ozone oxidation to the sulfide in the water sample so as to generate sulfur dioxide; 3. transporting the completely reacted measured water sample solution, which is mixed with phosphoric acid in a phosphoric acid pipeline; 4. then mixing the mixed solution mixed with the phosphoric acid with a potassium permanganate solution, and letting a photomultiplier tube detect a chemiluminescent signal generated during oxidation of the sulfur dioxide by potassium permanganate in the solution; and 5. allowing the photomultiplier tube to collect and amplify an optical signal emitted by a solution flowing through, converting the signal into an electric signal, which is then sent into a microcomputer data processing system, then quantizing the signal, and calculating the concentration of the sulfide in the water. The invention has the advantages of high sensitivity, wide linear range, rapidity, good reproducibility, as well as high degree of automation, etc.

The invention provides a device and a method for measuring a cadmium element in water through liquid chromatogram flow injection chemiluminescence. According to the method, a complex is formed based on cadmium in the water and methyl glycol biacrylate, chemiluminescence is generated by the complex and ethyl acetoacetate in a cyclohexane organic phase system, a linear relationship exists between the chemiluminescence intensity and the concentration of the cadmium element in the water, and a method for measuring the cadmium in the water through the liquid chromatogram flow injection chemiluminescence is established by utilizing a liquid chromatographic separation flow injection technology. The method for measuring the cadmium element in the water has the characteristics of field measurement, rapidness, simplicity and sensitivity.

The present invention concerns a method of analyzing a cancer of a patient, in particular an adrenocortical carcinoma, on the basis of determining (i) chromosomal alterations identified specifically for said cancer and (ii) DNA methylation status of genes of said chromosome regions, in a single targeted NGS.

The invention relates to a vehicle separation determining and traffic flow surveying device and a corresponding determining and surveying method, and aims at solving the problems of high error rate and low recognizing speed of a vehicle traffic flow detection mode in the prior art. The device comprises a bar code area corresponding to road width, and a shooting and video recording detecting device which is arranged above the bar code area and covers the road width with the shooting range, wherein the shooting and video recording detecting device comprises a camera, a CCD linear sensor for receiving a light source of the camera and transmitting to a photoelectric conversion element, and a single-chip microcomputer which is in communication connection with the photoelectric conversion element; the bar code area comprises a certain quantity of stripy belts of which the width is a and the intervals range from 2a to 5a; and the bar code area forms zero stripes which are inclined by angle beta relative to the road direction. The device has the beneficial effects that the real-time drive-in and drive-out conditions of vehicles can be quickly analyzed through the special shooting and video recording detecting device and according to the shape of bar codes, and the data of forward moving or backward moving of the vehicle after stopping in a short time beside the detecting device can be determined; and a pavement is prevented from being damaged during the mounting process.

The present invention relates to the disclosure of a group of gene products, polypeptides and their derivatives, their corresponding polynucleotide sequences (DNA and RNA), and specific antibodies to said gene products and derivatives. It is shown that said gene products are differentially expressed in lung cancer patients versus normal controls, using either tissues or biological fluids as specimens. Also provided is a procedure for producing the cancer specific gene products by recombinant techniques. This invention also pertains to the use of said antibodies in characterizing the gene products of the present invention, and in diagnostic, and disease management applications. The present invention also pertains to the therapeutic use of said antibodies and gene products to treat cancer and other human diseases. The invention also relates to composition, kits, and methods for detecting, characterizing, preventing, and treating human lung cancer.