Abstract: The present disclosure is an electrolyte solution for a lithium secondary battery and a method of preparing the same. The electrolyte solution enhances the output performance and high-temperature life characteristics of a lithium secondary battery, especially a lithium secondary battery including LiFePO4 (LFP)-based positive electrode active material, using 1-(trimethylsilyl)-1H-benzotriazole and similar additives.

Abstract: In an electrolyte for lithium secondary batteries that contains a lithium salt and 4-fluorotoluene (1F-substituted aromatic solvent, 1-FAS) as a lithium-salt-non-dissociable fluorinated ether solvent and a lithium-dissociable ether solvent, the 4-fluorotoluene solvent suppresses the reaction of lithium-dissociable ether with a lithium metal anode and thus exhibits high flame retardancy, excellent ionic conductivity, and superior lifespan characteristics, a method of preparing the same, and a lithium secondary battery including the same.

Abstract: In an electrolyte for the lithium secondary battery, which is used in forming protective layers on the surfaces of positive and negative electrodes, the electrolyte contains 1-vinyl-1,2,4-triazole additives. In the instant case, vinylene carbonate further contained in the additives stabilizes the protective layer on the surface of the negative electrode, and 1,3-propane sultone further contained in the additives stabilizes the protective layer on the surface of the positive electrode, thereby improving the long-term life performance and high-temperature life characteristics of the lithium secondary battery.

Abstract: A graft copolymer is formed by graft polymerization of a main chain containing dextran and a side chain containing N-(hydroxymethyl) acrylamide, wherein the graft copolymer is used as a binder for a lithium secondary battery anode to effectively buffer a large volume change during the charge/discharge of an anode, a silicon-based anode, improving mechanical stability, rate capability, and charge/discharge cycling stability of the anode, thus remarkably improving charge/discharge performance and cycle life characteristics of a battery using the same, and the graft copolymer can be produced through radical polymerization securing high reproducibility and simple production.

Abstract: According to embodiments, a binder for a lithium secondary battery comprises a mixture of dextran and gallic acid obtained through physical stirring. As an example, the binder can be prepared by dissolving dextran in a solvent to form a dextran solution, adding gallic acid to the dextran solution, and, after the adding of the gallic acid to the dextran solution, physically mixing the dextran solution including the added gallic acid to form a mixture.

Abstract: The present invention relates to a method for diagnosing cancer and predicting cancer type by using the terminal sequence frequency and the size of a cell-free nucleic acid fragment, and, more specifically, to a method for diagnosing cancer and predicting cancer type by using a method for extracting nucleic acids from a biospecimen so as to derive the terminal sequence frequency of a nucleic acid fragment and the size of the nucleic acid fragment on the basis of a read obtained by acquiring and aligning sequence information, generating vectorized data from same, and then inputting the data into a trained artificial intelligence model so as to analyze a calculated value.

Abstract: The present invention relates to a blood cell-free DNA-based method for predicting prognosis of breast cancer treatment and, more particularly, to a cell-free DNA-based method for predicting prognosis of breast cancer treatment, the method comprising a step of extracting cell-free DNA (cfDNA) from a biological sample before anticancer treatment, acquiring sequence information, then obtaining an I-score by using normalization correction and regression analysis of chromosomal regions, and analyzing the I-score and image information of the breast together after the anticancer treatment. A method for predicting prognosis of breast cancer, according to the present invention, uses next generation sequencing (NGS) so as to increase the accuracy of predicting the prognosis of a breast cancer patient and also increase the accuracy of prognosis prediction based on a very low concentration cell-free DNA of which detection has been difficult, thereby increasing the commercial utilization thereof.

Abstract: Disclosed are a method for diagnosing cancer and predicting a cancer type using characteristics of cell-free nucleic acids. More preferably, disclosed are an artificial intelligence-based method for diagnosing cancer and predicting a cancer type using characteristics of cell-free nucleic acids, the method including extracting nucleic acids from a biological sample to obtain sequence information (reads), acquiring information associated with the distribution of cancer-specific single nucleotide variants (regional mutation density, RMD), the frequency of cancer-specific single nucleotide variants depending on types of mutations (mutation signature), the end sequence motif frequency of nucleic acid fragments, and the size of nucleic acid fragments based on the aligned reads, inputting the information to an artificial intelligence model, and analyzing integrated output values.

Abstract: Disclosed is a method for diagnosing cancer and predicting a cancer type using fragment end motif frequencies and sizes of cell-free nucleic acid, and more preferably, to a method for diagnosing cancer and predicting a cancer type by extracting nucleic acids from a biological sample to obtain sequence information, acquiring fragment end motif frequencies and sizes of nucleic acids based on the aligned reads, converting the fragment end motif frequencies and sizes of nucleic acids into vectorized data, inputting the vectorized data to a trained artificial intelligence model and analyzing a resulting calculated value. The method includes generating vectorized data and analyzing the same using an AI algorithm and thus is useful due to high sensitivity and accuracy thereof even in the case of low read coverage.

Abstract: The present invention relates to an artificial intelligence-based chromosomal abnormality detection method, and more specifically, to an artificial intelligence-based chromosomal abnormality detection method using a method that involves: extracting nucleic acids from a biological sample to generate vectorized data on the basis of DNA fragments arranged by acquiring sequence information; and then comparing a reference value and a value calculated by inputting the vectorized data into a trained artificial intelligence model.

Abstract: Provided is a block size adjustment method in a blockchain network including: (a) setting the block size to an initial value; (b) waiting for a transaction request, and processing a transaction to be requested; (c) if the processing of the requested transaction is successful, generating a block according to the block size, and increasing the block size to increase the number of transactions that can be processed at one time; and (d) if the processing of the requested transaction fails, reducing the block size without block generation to reduce the number of transactions that can be processed at one time. By repeatedly performing steps (b), (c) and (d) using the block size adjusted by whether or not a transaction is processed, the block size is flexibly adjusted and a block according to the adjusted block size is generated. Therefore, the throughput of the blockchain network can be significantly improved.

Abstract: A liquid crystal display device includes a first substrate; a thin film transistor on the first substrate; a first passivation layer on the thin film transistor; a first electrode on the first passivation layer; a second passivation layer on the first electrode; a second electrode of an oxide semiconductor on the second passivation layer; and an alignment layer on the second electrode. The second electrode includes first portions and second conductive portions alternating with the first portions. A surface of the first portions is flush with the second conductive portions.

Abstract: A liquid crystal display device includes a first substrate; a thin film transistor on the first substrate; a first passivation layer on the thin film transistor; a first electrode on the first passivation layer; a second passivation layer on the first electrode; a second electrode of an oxide semiconductor on the second passivation layer; and an alignment layer on the second electrode. The second electrode includes first portions and second conductive portions alternating with the first portions. A surface of the first portions is flush with the second conductive portions.

Abstract: A liquid crystal display device minimizing touch inferiority and a press inferiority defects is provided. The device includes first and second substrates, a liquid crystal layer interposed therebetween, gap spacers between the first and second substrates for maintaining a cell gap, and pressure spacers between the first and second substrates configured to contact the first and second substrates when pressure is applied to the first or second substrate, wherein a spatial density of the gap spacers or a spatial density of the pressure spacers varies at different positions across the first and second substrates.

Abstract: A liquid crystal display device minimizing touch inferiority and a press inferiority defects is provided. The device includes first and second substrates, a liquid crystal layer interposed therebetween, gap spacers between the first and second substrates for maintaining a cell gap, and pressure spacers between the first and second substrates configured to contact the first and second substrates when pressure is applied to the first or second substrate, wherein a spatial density of the gap spacers or a spatial density of the pressure spacers varies at different positions across the first and second substrates.