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79 results about "Differential display" patented technology

Differential display (also referred to as DDRT-PCR or DD-PCR) is a laboratory technique that allows a researcher to compare and identify changes in gene expression at the mRNA level between two or more eukaryotic cell samples. It was the most commonly used method to compare expression profiles of two eukaryotic cell samples in the 1990s. By 2000, differential display was superseded by DNA microarray approaches.

Ophthalmic operating special-purpose colored perfusate

The present invention relates to a colored perfusion liquid exclusively for ophthalmic surgery. The colored perfusion liquid exclusively for ophthalmic surgery of the present invention includes conventional ophthalmic balanced salt solution and is characterized in that the present invention further contains 0.001 to 0.1mg/ml fluorescein sodium. The present invention firstly proposes the intraocular colored perfusion liquid and a concept of colored surgery, the present invention has the advantages that: the present invention can be filled in the anterior chamber, vitreous body, lens capsular bag and other lacunas, and can form the contrast with the intraocular transparent and semi-permeable membrane tissues, such as, cornea, lens capsule membrane, lens, vitreous body, retina and so on, therefore, the operator can identify such structures easily and the tissues which are difficult to identify become visible, therefore, the surgery becomes easy, the operation is accurate, the time is shorten, the retina, lens capsule membrane and other main structures are protected, the surgical complications are reduced, and better surgical effects are achieved accordingly. In addition, the present invention changes and overcomes the problems that the past localized staining method is time-consuming and needs to rinse, the surgical process is complicated, the operation is fairly troublesome, and the method can not carry out the differential display of the around tissues, that is the scope is too small etc.
Owner:SCHOOL OF OPHTHALMOLOGY & OPTOMETRY WENZHOU MEDICAL COLLEGE

Stereoscopic graph display method and apparatus, and device

The invention provides a stereoscopic graph display method and apparatus, and an electronic device. A stereoscopic graph outline comprises a bottom surface outline and an outline generatrix. The method comprises the steps of displaying a stereoscopic graph on a graphic user interface; receiving a rotating operation instruction for the stereoscopic graph; transforming a display view angle of the stereoscopic graph according to the rotating operation instruction; along with change of the display view angle of the stereoscopic graph, determining a visible part and an invisible part of the bottom surface outline at the current view angle and the position of the outline generatrix in real time; and displaying the outline generatrix according to the position of the outline generatrix, and differentially displaying the invisible part of the bottom surface outline and other parts of the stereoscopic graph outline. By applying the method and the apparatus, the visibility of the bottom surface outline and the position of the outline generatrix of the stereoscopic graph are determined in real time, and in a three-dimensional rotating operation process, the display of the outline generatix of the stereoscopic graph and the differential display of the invisible part of the bottom surface outline and other parts are realized, so that the display of the stereoscopic graph is more intuitive and the user experience is relatively good.
Owner:GUANGZHOU SHIYUAN ELECTRONICS CO LTD +1

Method of detecting EGFR (epidermal growth factor receptor) gene mutation in urine of colorectal cancer patient by using digital PCR (polymerase chain reaction)

The invention discloses a method of detecting EGFR (epidermal growth factor receptor) gene mutation in urine of a colorectal cancer patient by using digital PCR (polymerase chain reaction). The method comprises the particular following steps: extracting a DNA (deoxyribonucleic acid) template from the urine, preparing ddPCR (differential display polymerase chain reaction) liquid, preparing a droplet, performing PCR amplification, detecting the droplet, analyzing data, and displaying a result, wherein a lysate comprises 10mM of Tris-HCl, 1mM of EDTA (ethylene diamine tetraacetic acid) and 0.5% of SDS (sodium dodecyl sulfonate); a thermal circulation mode of detection comprises the steps of incubating at 95 DEG C for 10min, at 95 DEG C for 15s, at 63 DEG C for 1min (45 cycles in total), and finally putting at 4 DEG C. According to the method, ARMS is combined with the digital PCR; the method solves the problems of complication, time consuming, low sensitivity and the like during EGFR gene mutation detection of the colorectal cancer patient in the prior art by detecting the EGFR mutation in the urine of the patient; the non-traumatic detection in addition to pathologic histology is provided particularly.
Owner:安徽安龙基因科技有限公司

Alarm method for computer hardware configuration changing

InactiveCN108920331AFlexible and diverse setting of operation pathsImprove communication efficiencyHardware monitoringDifferential displaySMI Program
Provided is an alarm method for computer hardware configuration changing. System hardware changes are detected in shutdown states which include a shutdown state with a power supply and a shutdown state without a power supply; after the hardware configuration changes, hardware triggers interrupt, platform configuration information is obtained through a BIOS SMI program, a BMC completes the storageand differential display of the configuration information, and the three cooperate to complete the timely and accurate recording of the platform configuration information on a platform body. After thehardware information changes, the BIOS can flexibly and diversely set operation paths according to requirements, and can be set to no operation, or warning information is displayed and the operationis continued, or a system is suspended until an administrator confirms the security and then the system continues to run. The information stored by the BMC enters an EEPROM. After the power is turnedoff, the information can still be saved and does not disappear. A BMC display interface provides a uniform information platform for research staff, testers, and customers. The communication efficiencyis improved, and two configurations are displayed in a differentiated mode, which can remind the customers of the hardware changes.
Owner:合肥茜昊科技发展有限公司
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