37 results about "Laboratory technique" patented technology

Methods, apparatuses and systems for tooth shade analysis and matching are disclosed. A method embodiment according to the invention includes acquiring at least one image, the image including one or more teeth of a patient and normalization references, normalizing the at least one image in accordance with the normalization references, determining the color of the teeth as composed of colors from one or more selected shade standards, communicating the standardized color information to a dental laboratory, manufacturing a dental prosthesis based on the standardized color information and installing the dental prosthetic. Normalization is performed to correct patient images for variations in lighting conditions and image source. Normalization references include a black reference, a white reference and at least one color reference. The normalized image is standardized by matching the pixels of the normalized image to selected shade standards. Selected shade standards may include incisal tooth shade standards. The standardized color image and / or analysis may be communicated to a dental laboratory according to aspects of the invention. The dental prosthesis can then be manufactured by a lab technician by referring to the standardized image. Color models according to the invention may include RGB, HSI and other models for representing color images. The methods, apparatuses and systems for tooth shade analysis and matching are also applicable to direct restorations of natural teeth, such as repair of chipped or broken teeth.

Described herein are nanoparticles that are coated with a bilayer of molecules formed from surface binding molecules and amphiphatic molecules. The bilayer coating self assembles on the nanoparticles from readily available materials / molecules. The modular design of the bilayer coated nanoparticles provides a means for readily and efficiently optimizing the properties of the bilayer coated nanoparticle compositions. Also described herein are uses of such nanoparticles in medicine, laboratory techniques, industrial and commercial applications.

Apparatus for testing a conducted energy weapon includes analyzer means to produce characteristic signals representative of characteristics of electrical current pulses delivered by the weapon into a resistive load when the weapon is discharged. Risk estimation means responsive to the characteristic signals produces a risk estimate representative of a risk of injury to a targeted subject due to electrical stimulation, or alternatively representative of a risk of failure to incapacitate the targeted subject. Indicator means responsive to the risk estimate indicates the risk of injury, or alternatively the risk of failure to incapacitate, and warns the user of the apparatus when the risk exceeds a predetermined threshold. Advantageously, automatic testing and risk analysis provided by the apparatus allows weapon tests to be easily and routinely conducted by persons having no knowledge of electrical principles, laboratory techniques, or risk analysis methodologies, such persons including peace officers or other individuals who may be associated with a law enforcement agency.

The invention discloses a method for managing a modern biological laboratory. The method is provided aiming at the standardized management blankness of the prior biological laboratory. The method mainly comprises the following steps of: 1) laboratory medicines and accounting, 2) primer order and accounting management, 3) sequencing registration and accounting management, 4) laboratory equipment and apparatus management, 5) laboratory technology platform and management, 6) laboratory carrier resource management, 7) laboratory species resource management, 8) laboratory member information management, 9) laboratory common website linking management and 10) laboratory common contact method management. The management method is specific and concrete, simple in operation and convenient to use and embodies scientificity, advancement and practicability.

The invention relates generally to standard sets of proteins, polypeptides, or peptides, and methods of using the standard sets to standardize laboratories, laboratory procedures, or laboratory equipment, and to certify laboratories and laboratory technicians. In certain aspects, the invention relates to standard sets of proteins, polypeptides, or peptides, that may be used in mass spectrometry.

When automatically classified results are different from judgment of a laboratory technician, the laboratory technician has to reselect the bacterial colonies one-by-one to be a pickup colony through watching the displayed image. To get rid of the inconvenience, provided is a pretreatment device for a bacteria test comprising: a specification unit by which an operator instructs to specify the number of bacterial colonies and the increased / decreased number of the bacterial colonies to be displayed; and a display unit for displaying classification results obtained following the operator's instruction. The pretreatment device for a bacteria test facilitates the automatically classified results to be brought close to the judgment of the laboratory technician, resulting in the saving of the time required for checking the appropriate bacterial colonies for the pickup colony.

The invention belongs to the technical field of intelligent laboratories, and particularly relates to a distributed cell intelligent laboratory management system. The distributed cell intelligent laboratory management system comprises a processing device, wherein the processing device comprises an inventory transfer module, a type judgment module, a first transfer warehousing module, a quality inspection judgment module and a qualification judgment module. The invention provides a novel distributed cell intelligent laboratory management system. The distributed cell intelligent laboratory management system can quickly and accurately perform cell inventory transfer according to multi-condition judgment, and the occurrence of the inventory transfer is not completed in a certain specific module, but is dynamically interspersed in each link where the inventory transfer operation may occur.

This invention concerns a method, devices, instrument and program for extraction an ingredient from a liquid sample by bidirectional transfer of an aliquot of fluid between compartments, the method can be applied to a wide variety of laboratory techniques such as; solid phase extraction by filter disc, column chromatography, magnetic separation, diagnostic tests and others, the system is suitable for single or multi sample handling, manual operation or integrated into an automated system, can be used in a lab or in field.

A process for preparing acetylene by using hot plasma to crack the gas containing methane includes such steps as using plasma generator to ionize the argon or N2 or H2 to form a plasma jet, spraying raw gas via a gas inlet ring in reactor, mixing the plasma jet with the raw gas in the reactor, cracking reacting, and quickly cooling the cracked gas in an expansion cavity of cooler to obtain acetylene, carbon black and H2.

Solid beads each containing a selected quantity of analyte are combined and a liquid base matrix that contains attributes of a biological fluid that is to be assayed, together constitute a kit from which a laboratory technician can, at the point of use, prepare a liquid control for a particular analyte, and preferably a series of such controls at different levels of the same analyte customized for a particular assay.

In the event of a suspected abnormality in the device, sample or reagent, a laboratory technician had to examine the abnormal reaction process data item by item, and infer the cause of the abnormality, which took effort and time in some cases. Abnormality judgment is assisted using: indicator computation means that computes an indicator indicating a feature parameter of a given waveform by applying a pre-defined evaluation formula to time series data of photometric values; relative indicator computation means that computes a value indicating a relationship of the indicator of target data to the indicator computed in the past; and indicator display means that simultaneously displays a value computed by the indicator computation means and the value computed by the relative indicator computation means. According to the present method, which is a method for assisting judgment of abnormality wherein a feature parameter of a given absorbance change is computed, it can be made easier to find certain abnormalities, and it becomes possible to attain more efficient device maintenance and improved device reliability without the addition of any new parts.

The invention relates to the technical field of laboratories, and discloses an integrated mobile intelligent laboratory which comprises an integrated experiment box body, universal wheels are fixedlyconnected to the lower end of the integrated experiment box body, supporting columns are detachably connected to the lower end of the integrated experiment box body, and the intelligent laboratory isdivided into an ultraviolet sterilization region, an experiment region, an experiment analysis region, a reagent storage region and an air inlet and outlet region according to different functions. Wherein the ultraviolet sterilization region is used for allowing authorized personnel to enter for ultraviolet sterilization, the experiment region is used for experiment operation, and the experiment analysis region is used for allowing experimenters to analyze, organize, store, input and upload experiment data; according to the intelligent laboratory, laboratory reservation sharing, safe admissionand experimental environment monitoring are integrated for management; functional regions of the laboratory are modularly integrated and do not interfere with one another, the user experience is improved, advanced sensing, cooperation and control technologies are fully utilized, real-time supply of experimental supplies is achieved, and intelligent management services are provided for resources,environments and safety of the laboratory.