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203 results about "Type specific" patented technology

Kits and methods for generating 5' capped RNA

The present invention relates to kits and methods for efficiently generating 5′ capped RNA having a modified cap nucleotide and for use of such modified-nucleotide-capped RNA molecules. The invention is used to obtain novel compositions of such modified-nucleotide-capped RNA molecules. In particular, the present invention provides kits and methods for capping RNA using a modified cap nucleotide and a capping enzyme system, such as poxvirus capping enzyme. The present invention finds use for in vitro production of 5′-capped RNA having a modified cap nucleotide and for in vitro or in vivo production of polypeptides by in vitro or in vivo translation of such modified-nucleotide-capped RNA for a variety of research, therapeutic, and commercial applications. The invention also provides methods and kits for capturing or isolating uncapped RNA comprising primary RNA transcripts or RNA having a 5′-diphosphate, such as RNA synthesized in vitro or obtained from a biological source, including prokaryotic mRNA that is in a mixture with other prokaryotic and/or eukaryotic nucleic acids. The method for capturing modified-nucleotide-capped RNA also provides methods and kits for obtaining only type-specific or condition-specific modified-nucleotide-capped RNA by cap-dependent subtraction of that portion of the captured modified-nucleotide-capped RNA in cells of one type or condition that is the same as RNA in cells of another type or condition. The invention further provides methods and kits for using a capping enzyme system and modified cap nucleotides for labeling uncapped RNA comprising primary RNA transcripts or RNA having a 5′-diphosphate with detectable dye or enzyme moieties.
Owner:CELLSCRIPT

LDA-based text classification method

The invention provides an LDA-based text classification method. The method comprises the following steps of: extracting and inputting a feature word set into a text classification model so as to calculate the probability of each type in A predetermined types to which a text belongs, and taking the type with the maximum probability value as the type to which the text belongs; previously training an LDA topic model by using a training corpus according to a set topic number K, so as to K topic associated word sets; previously verifying the text classification model by using a type-specific verification corpus, so as to obtain a classification correctness of each type in the A types; when classification is carried out by using the text classification model, directly outputting a result if the classification correctness, obtained by the text classification model, of the type achieves a set threshold value; and otherwise, calculating the weighted values of K topics corresponding to the text by using the LDA topic model, selecting the topic with the maximum weighted value, forming an expanded feature word set by the first Y words in the associated words of the topic, and carrying out classification again by using the text classification model. The method provided by the invention is strong in scene adaptability and high in result usability.
Owner:NINGBO UNIV

Passing-through type specific metal detecting door

The invention relates to a passing-through type specific metal detecting door which comprises a door head main control box and two side door plates. The door head main control box is connected with the upper end of each of the two side door plates for forming a detecting channel. The door head main control box comprises a microcontroller, a data memory, a signal output circuit, a signal acquisition circuit, a display screen and a power supply. Each side door plate comprises a sensor board, a detecting area and a warning lamp. The detecting area is internally provided with an electromagnetic induction coil, a receiving coil and a calibration coil. According to the passing-through type specific metal detecting door, because the electromagnetic induction coil, the receiving coil and the calibration coil are arranged in the detecting area, the electromagnetic induction coil generates a detecting magnetic field which covers the detecting area; different kinds of metal generate different secondary magnetic fields in the detecting magnetic field because of an eddy current; the receiving coil receives the magnetic signal of the secondary magnetic field and transmits the corresponding electric signal to the microcontroller; and performing warning by the microcontroller according to the electric signal with a specific magnitude, thereby realizing warning on specific forbidden metals.
Owner:DATONG KUAIAN TECH CO LTD
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