Abstract:
Isolated and/or recombinant nucleic acids encoding mycobacterial methionyl-tRNA synthetase have been characterized. Recombinant DNA constructs and vectors having a sequence which encodes mycobacterial methionyl-tRNA synthetase have been made, and can be used for the construction of tester strains as well as for the production of isolated and/or recombinant methionyl-tRNA synthetases. These enzymes or portions thereof are useful in the biochemical separation of methionine and quantification of methionine or ATP, and for producing antibodies useful in the purification and study of the enzyme, for example. Host cells and methods useful for producing recombinant mycobacterial methionyl-tRNA synthetases are described, as are tester strains, which are cells engineered to rely on the function of the tRNA synthetase encoded by an introduced cloned gene. Tester strains can be used to identify inhibitors of the essential tRNA synthetase enzyme encoded by the introduced cloned gene, and thus provide a means to assess the antimicrobial effect and specificity of the inhibitor without employing slow-growing, pathogenic strains of mycobacteria, such as Mycobacterium tuberculosis.
Abstract:
A column decoding circuit for a semiconductor memory device includes a decoding unit and a pulse generating unit. The decoding unit decodes a selected column address and generates a selection signal. The pulse generating unit self-generates a pulse signal based on the selection signal output from the decoding unit. The pulse generating unit uses the self-generated pulse signal and the selection signal to output to a selected column switch a control signal having a minimum pulse width sufficient for selecting an associated column. Accordingly, a high speed read operation is performed by decreasing a loading and transmission time of the control signal. Further, power consumption of the column decoding circuit is decreased by self-generating the pulse signal, preferably based on the selection signal.
Abstract:
A column repair circuit for a semiconductor memory having an input/output selection circuit for inputting a control signal, selecting a bit line and a bit bar line corresponding to a faulty memory cell and replacing the selected bit line and bit bar line with a spare bit line and a spare bit bar line. The input/output selection circuit includes an input stage for inputting the control signal, a spare bit line and a spare bit bar line, and a plurality of fuses each having one side connected to the input stage and other side connected to a plurality of resistors. The other side of the resistors are connected to ground for outputting the output signals. The input/output selection circuit further has a plurality of n-channel MOSFETs each including a gate connected to each of the other stages of the plurality of fuses via the resistors in a 2 to 1 manner for inputting the output signals. The drains of the MOSFETS are connected to the spare bit line and spare bit bar line and their sources are connected to each of the plurality of data bit lines and the plurality of data bit bar lines for functioning as a switch. Therefore, the present invention can provide the column repair circuit for a semiconductor memory which is capable of increasing its repair yield by adding the input/output selecting circuit enabling input/output selecting.
Abstract:
Disclosed are a user terminal, a server, and a method of operation capable of preserving and editing identity of an original image by performing user-customized learning on a pre-trained artificial neural network. The user terminal according to an embodiment includes an interface unit, a communication unit, and a control unit, in which the control unit may receive an original input image to be edited from a user and a text prompt including information about the editing, and transmit the received original input image to a server including a first artificial neural network trained to edit the input image according to the input text prompt, and receive, from the server, an output image for the original input image edited according to the text prompt by the first artificial neural network subjected to user-customized learning based on the original input image, and output the received output image through the interface unit.
Abstract:
The pharmaceutical composition for treating or preventing neuropathic pain includes Polygonati rhizoma, Sorbus commixta Hedl., Geranium nepalense, and Glycine Semen Preparata.
Abstract:
A cage to be inserted between vertebrae reduces a risk of damage to organs and nerves in the process of insertion surgery and facilitates the process of insertion surgery. The cage can be inserted in one insertion direction between a plurality of vertebrae, wherein the insertion direction forms a predetermined insertion angle with respect to the anterior aspect of the spine, and an upper surface and a lower surface of the cage are provided to correspond to a lower surface and an upper surface of the vertebrae. Also, the cage is stably fixed, and side effects after surgery is reduced. Also, the surgery time is reduced, and a burden on the patient is reduced. In addition, advantages of anterior insertion and direct lateral insertion are combined, and thus post-surgery outcomes in patients may be improved.
Abstract:
Provided is a cage to be inserted into vertebrae. The cage configured to reduce a risk of organs, muscles, and nerves being injured during an insertion surgery process and to allow the insertion surgery process to be easily performed. To this end, the present invention provides a cage including a leading insertion portion which is inserted from the front of vertebrae to be in position between the vertebrae and a following insertion portion which is coupled to one surface of the leading insertion portion to be in position between the vertebrae. According to the present invention, there are effects of reducing a risk of organs, muscles, and nerves being injured during a surgery process of inserting the cage, facilitating the surgery process of inserting the cage, reducing post-surgery side effects by stably fixing the cage, and reducing a surgery time to reduce a burden to a patient.
Abstract:
The present disclosure relates to highly dispersible zinc phthalocyanine-silica nanotubes and a preparation method thereof. More particularly, the present disclosure relates to highly dispersible zinc phthalocyanine-silica nanotubes capable of improving the dispersibility of zinc phthalocyanine so that the zinc phthalocyanine can be easily absorbed in the body, and to a method of preparing highly dispersible zinc phthalocyanine nanotubes. The present disclosure proposes a highly dispersible zinc phthalocyanine-silica nanotube and a method of preparing sample. The method includes a first step of mixing a template with a alcohol solution to prepare a nanotube solution containing a nanotube template, a second step of adding a zinc phthalocyanine (ZnPc) solution to the nanotube solution and stirring the resulting mixture to prepare a zinc phthalocyanine-silica nanotube solution, a third step of adding a silica precursor to the zinc phthalocyanine-nanotube solution and stirring the resulting mixture to induce silication, thereby preparing a zinc phthalocyanine-silica nanotube solution, and a fourth step of filtering and drying the zinc phthalocyanine-silica nanotube to prepare zinc phthalocyanine nanotube powder. Further proposed is a method of preparing the zinc phthalocyanine powder.
Abstract:
A voice/speech recognition client system, a voice recognition server system, and a voice recognition method. The voice recognition system indicates a result of voice recognition in a voice signal inputted from a starting time for voice recognition to an ending time. The voice recognition client comprises: a communication unit that transmits a unit voice signal input at intervals from the starting time to the ending time, to the voice recognition server system at the intervals and receives an intermediate result of voice recognition from the voice recognition server system; and a display unit that displays the intermediate result received between the starting time and the ending time.
Abstract:
There are provided a data processing method and a touch sensing apparatus. The data processing method includes (a) obtaining a plurality of pieces of sensing data according to one or more touch inputs; (b) selecting one or more pieces of temporary reference data having the minimum difference value between adjacent other pieces of sensing data; (c) calculating difference values between the one or more pieces of temporary reference data; (d) calculating an N number of difference values between the N number of pieces of sensing data obtained from the nodes included in the Kth row and an N number of pieces of sensing data obtained from nodes included in the K-1th row; and (e) determining the temporary reference data having a relatively small representative value as reference sensing data of the Kth row.