30results about How to "Sensitive and specific" patented technology

The invention provides a gene diagnosis reagent box and its detecting method for aquatic animal (like cyprinoid, Penaeus monodon, Epinephelus awoara, ormer, etc) and human pathogens-Vibrio fluvialis, designed by using a pair of primers designed by the sequence in conservative region of Vibrio fluvialis gene to act as main body. It adopts polyase chain reaction (PCR) technique to qualitatively detect the specific DNA fragments of the Vibrio fluvialis, simply and conveniently, and rapidly, good-specificity, and high-sensitivity; can be used in bacteria tracking detection of aquatic animal pathogens in the course of breeding in each period, and also the clinic detection of human intestinal acute infections, as well as environmental monitoring, avoiding the pathogens infecting and popularizing and it has very great practical value.

The invention provides a gene diagnosis kit and detection method for major cattle pathogenic bacteria-Pasteurella multocida and belongs to the technical field of bioscience. The kit and the detection method are designed by taking a pair of primers as the main body, and the primers are designed according to the Pasteurella multocida gene conservative area sequence. According to the invention, the polymerase chain reaction (PCR) technology is adopted for qualitatively detecting the specificity DNA fragments of cattle pathogenic bacteria-Pasteurella multocida simply, conveniently and quickly, the specificity is good and the sensitivity is high; the kit and the detection method can be used for clinical detection of cattle pasteurellosis, bacteria tracking and detecting in all cattle farming periods and monitoring of the cattle farming environment and avoid pathogen transmission and outbreak, thereby achieving a very high utility value.

The present invention comprises methods and apparatus for detecting prolonged myocardial repolarization as an indicator of cardiac conditions, including without limitation, transmural ischemia. In some embodiments, without limitation, the present invention comprises methods and apparatus to detect prolonged repolarization using electrocardiographic and electrophysiological tools and measurements.

The present invention is mandarin fish infectious spleen and kidney necrosis virus gene diagnosing kit and its usage. The kit and its usage is designed based on two pairs of primers for the conservation sequence of mandarin fish infectious spleen and kidney necrosis virus gene. By means of PCR technology, the present invention detects qualitatively the specific DNA nucleic acid segment of mandarin fish infectious spleen and kidney necrosis virus fast, simply, specifically and sensitively. The present invention may be used in the tracing detection of different stages of mandarin fish cultivation and environment monitoring.

The invention provides a kind of gene consultation kit and testing process to prawn TSV( Taura Syndrome virus). The kit and the testing process are designed based on list in conservation area of TSV. The invention adopts RT-PCR technology to test special RNA nucleic acids of TSV. This method is quick and its specificity is good and sensitivity is high. It can be used to test virus in different period when cultivate prawn. It also can be used to test environment to avoid dissmination of virus. Thus, it can improve efficiency of scientific management and has high utility value.

The invention provides a gene diagnosing reagent box and the detecting method of sea marine lives (such as shrimp, fish and so on) and human pathogenic bacterium-vibrio alginolyticus. There agent box and the detecting method are designed using a pair of primer as main body of vibrio alginolyticus gene protected area series design. The invention uses poly enzyme chain reaction (PCR) technology to carry on qualitative detection to the special DNA piece of the sea marine product and human pathogenic bacterium-vibrio, the method is quick, and the singularity is excellent, the sensitivity is high; it can be applied to the bacterium tracing and detecting to the sea marine product in each period, it also can be applied to the clinic detection of human intestinal canal acute contagion, and the environment detection and so on.

The invention relates to parasitic disease fast detection technology in the technical field of biology, and discloses a loop-mediated isothermal application (LAMP) method for detecting trypanosome evansi. In the method, two pairs of loop-mediated isothermal application primers FIP, BIP, F3 and B3 used for detecting the trypanosome evansi are adopted; and the LAMP method is used for detecting the trypanosome evansi by utilizing the two pairs of primers, and comprises the preparation of a reaction template, an LAMP reaction system, an LAMP reaction process and detection result judgment. The method has the advantages of simple and convenient operation, low cost, easily observable results and particular application to the field fast detection of the trypanosome evansi in livestock feeding farms and the like.

The invention relates to the field of biotechnology, in particular to a method for rapidly detecting Angiostrongylus cantonensis by utilizing the loop-mediated isothermal amplification (LAMP) technology for the rapid detection technology of verminosis. In the method, two pairs of LAMP primers (FIP, BIP, F3 and B3) for detecting Angiostrongylus cantonensis are provided, and an LAMP method for detecting Angiostrongylus cantonensis by utilizing the two pairs of primers is provided. The method comprises preparation of a reaction template, utilization of an LAMP reaction system and an LAMP reaction program and judgment of detection results. The invention has the advantages of simple and convenient operation, low cost and easy observation of results, and is very suitable for on-site rapid detection of Angiostrongylus cantonensis.

The invention provides a gene diagnosing reagent box and the detecting method of sea marine lives (such as shrimp, fish and so on) and human pathogenic bacterium-vibrio alginolyticus. There agent box and the detecting method are designed using a pair of primer as main body of vibrio alginolyticus gene protected area series design. It uses poly enzyme chain reaction (PCR) technology to carry on qualitative detection to the special DNA piece of the sea marine product and human pathogenic bacterium-vibrio, the method is quick, and the singularity is excellent, the sensitivity is high; it can be applied to the bacterium tracing and detecting to the sea marine product in each period, it also can be applied to the clinic detection of human intestinal canal acute contagion, and the environment detection and so on.

The invention relates to a hydrogen and humidity integrated sensor, which is formed by integrally packaging a hydrogen sensor probe and a humidity sensor probe, and the hydrogen sensor probe is composed of a single-mode optical fiber with a hydrogen sensitive film deposited on the end face and a reference grating; the humidity sensor probe consists of a sensing grating of which the side surface is coated with a humidity sensitive film and a reference grating; and the reference grating in the hydrogen sensor probe and the reference grating in the humidity sensor probe are the same grating. The detection device based on the self-reference technology comprises an upper computer, a sensing light source, a demodulator, an optical attenuator, a coupler and a sensor. The device is applied to monitoring of hydrogen concentration and environmental humidity in special environments of energy and national defense. The intensity and wavelength of the same reference grating are adopted to compensate interference in the hydrogen measurement process and the humidity measurement process respectively, the hydrogen concentration and the environment humidity are accurately measured at the same time, it is guaranteed that the hydrogen concentration and the environment humidity do not interfere with each other during measurement, and sensitivity and stability are high.

The present invention is rockfish viral nervous virus gene diagnosing kit and its usage. The kit and its usage is designed based on two pairs of primers for the conservation sequence of rockfish viral nervous virus gene. By means of PCR technology, the present invention detects qualitatively the specific DNA nucleic acid segment of tiger frog virus fast, simply, specifically and sensitively. The present invention may be used in the tracing detection of different stages of rockfish cultivation and environment monitoring.

The present application discloses a female premature ovarian failure susceptibility gene detection model and a detection kit. The female premature ovarian failure susceptibility gene detection model of the present application consists of SNP loci of fifteen genes of ELN, SOD2, FSHR, DENND1A, IL17RD, FGF8, KAL1, THADA, LHCGR, FGFR1, GLO1, BMP15, KISS1R, ESR1 and CAT . The present application is the first to establish a genetic testing model especially for Chinese women, which is ethnic-specific. Moreover, the detection reagents and kits developed according to the genetic detection model of the present application can accurately, sensitively and specifically detect premature ovarian failure in Chinese women, and provide a new approach and solution for the detection of premature ovarian failure in Chinese women.

The present invention is prawn white spot syndrome virus gene diagnosing kit and its usage. The kit and its usage is designed based on two pairs of primers for the conservation sequence of prawn white spot syndrome virus gene. By means of PCR technology, the present invention detects qualitatively the specific DNA nucleic acid segment of prawn white spot syndrome virus fast, simply, specifically and sensitively. The present invention may be used in the tracing detection of different stages of prawn cultivation and environment monitoring.

The invention relates to a fusion protein HABP-mKate and a preparation method and application thereof. The fusion protein HABP-mKate has the amino acid sequence disclosed as SEQ ID NO.2. The fusion protein HABP-mKate is prepared as follows: optimizing the gene sequence of HABP and mKate by gene optimization software; synthesizing the optimized gene sequence in vitro with an overlapping PCR method; adding a corresponding endonuclease site on two ends; cloning to a PET-15b expression vector; converting BL21-plus host bacteria; carrying out induction expression; separating expression bacteria after ultrasonication to obtain supernatant; filtering the supernatant obtained by separation by a filter membrane; carrying out affinity purification by a nickel post; eluting by 0.5M imidazole buffer solution; and obtaining the target protein HABP-mKate. The fusion protein HABP-mKate is used for detecting hyaluronic acid.

The invention provides a gene diagnosis kit and detection method for major cattle pathogenic bacteria-Pasteurella multocida and belongs to the technical field of bioscience. The kit and the detection method are designed by taking a pair of primers as the main body, and the primers are designed according to the Pasteurella multocida gene conservative area sequence. According to the invention, the polymerase chain reaction (PCR) technology is adopted for qualitatively detecting the specificity DNA fragments of cattle pathogenic bacteria-Pasteurella multocida simply, conveniently and quickly, the specificity is good and the sensitivity is high; the kit and the detection method can be used for clinical detection of cattle pasteurellosis, bacteria tracking and detecting in all cattle farming periods and monitoring of the cattle farming environment and avoid pathogen transmission and outbreak, thereby achieving a very high utility value.

The present invention is tiger frog virus gene diagnosing kit and its usage. The kit and its usage is designed based on two pairs of primers for the conservation sequence of tiger frog virus gene. By means of PCR technology, the present invention detects qualitatively the specific DNA nucleic acid segment of tiger frog virus fast, simply, specifically and sensitively. The present invention may be used in the tracing detection of different stages of tiger frog cultivation and environment monitoring.

The invention provides a gene diagnosing reagent box and the detecting method of sea marine lives (such as shrimp, fish and so on) and human pathogenic bacterium-vibrio alginolyticus. There agent box and the detecting method are designed using a pair of primer as main body of vibrio alginolyticus gene protected area series design. The invention uses poly enzyme chain reaction (PCR) technology to carry on qualitative detection to the special DNA piece of the sea marine product and human pathogenic bacterium-vibrio, the method is quick, and the singularity is excellent, the sensitivity is high; it can be applied to the bacterium tracing and detecting to the sea marine product in each period, it also can be applied to the clinic detection of human intestinal canal acute contagion, and the environment detection and so on.