Lg Chem, Ltd

Su Youn Han

Byoung Hyoun Kim

Byung Hyun Park

Dong Hyun Kim

Gyeongjin Lee

Yeu Young Youn

Hye Sung Cho

Sehoon Kim

So Yeon Kim

Young Hee Lim

Bora Shin

Sikwon Moon

Jun Won Choi

Bumgyu Choi

Joon Seok Lee

Dae Hun Kim

Rin Jang

Mi Ra Hong

Seonyoung Jegal

Kyoungjoo Jin

Junwon Choi

Yeon Hwa Lee

Yura Lee

Soo Ah Nam

Jaehyuk Nam

Kiho Seo

A system for separating and concentrating ionic compounds in a sample is provided herein. In some embodiments, a system includes at least one sample separation device, a flexible holder having a plurality of slots, wherein each slot is configured to have a sample separation device inserted therein, wherein the at least one sample separation device is inserted into a slot of the flexible holder; and an electrode for applying a voltage to the device, wherein the at least one sample separation device comprises a separation portion, a first storage portion, and a second storage portion, wherein the first and second storage portions are positioned on opposing sides of the separation portion, wherein the separation portion is folded at a predetermined interval to form two or more discrete base units.

Separation and concentration system for ionic compounds in sample, and method for analyzing ionic compounds using same

The present invention relates to a high-speed screening and analysis system for reaction optimization. More specifically, the present invention provides a system capable of analyzing samples at low cost through control of fluids using hydrophilic plate-like material (for example, paper), and of analyzing chemical reactions of a sample with a plurality of materials simultaneously, thereby allowing samples to be analyzed rapidly.

High-speed screening and analysis system for reaction optimization

The present specification relates to a method for analyzing deuterated benzene by gas chromatography, and preparing a deuterated compound using deuterated benzene selected based on the analyzed data.

Method for analyzing deuterated benzenes, method for selecting deuterated benzene for deuterated compound preparation, and method for preparing deuterated compound

A method for simulataneously separating and detecting aldehydes or ketones from a plurality of samples containing the samein a simple and rapid manner by using a rotary microdevice capable of integrating derivatization and TLC separation of aldehydes and ketones, and the method providing reliable TLC separation, control of moving speed of an eluent on a TLC plate, and improved TLC resolution.

Method for detecting aldehydes or ketones

A microdevice for detecting aldehydes or ketones by utilizing a rotary platform, the microdevice comprising a disc-shaped rotary platform and a microfluidic structure disposed on the rotary platform, and the microfluidic structure comprising a sample storage part, an eluent storage part, a separation part, a first microfluid flow channel, a second microfluid flow channel, and an absorption pad.

Microdevice for detecting aldehydes or ketones

The present invention relates to a device and a method for qualitative and quantitative analysis of heavy metals and more particularly provides a device and a method for qualitative and quantitative analysis of heavy metals utilizing a rotary disc system.

Device and method for qualitative and quantitative analysis of heavy metals utilizing rotary disc system

A qualitative and quantitative heavy metal analysis device and, more particularly, a qualitative and quantitative heavy metal analysis device implemented by a rotary platform are provided. The rotary platform device includes a main injection part which is positioned near a rotating shaft of a rotary platform, wherein the main injection part is configured to receive a fluid sample containing heavy metals, a pH adjusting part configured to adjust pH of the fluid sample, a detecting part coated with a chelating agent configured to initiate a color reaction with heavy metals in the fluid sample by spreading the pH-adjusted fluid sample into the detecting part, and a ruler for measuring a spreading distance of the color reaction, wherein the fluid sample moves from the main injection part through the pH adjusting part to the detecting part by a rotation of the rotary platform device.

Multiple qualitative and quantitative heavy metal analysis device implemented by rotary platform

The present invention relates to a method for simultaneously qualitatively and quantitatively analyzing compounds of aldehydes and/or ketones in a short time by using an optimal TLC plate, a proportion of a developing solvent, a sample amount, etc., and can provide an analysis result equivalent to a conventional analysis result in a shorter time by providing the most optimal conditions when using the TLC method.

Method for detecting aldehyde and ketone by using thin layer chromatography

A quantitative analysis method for a monomer of a color filter (CF) photoresist (PR) binder for a thin film transistor-liquid crystal display (TFT-LCD), performs quantitative analysis on a monomer of a CF PR binder for a RFT-LCD by using a Py-GC/MS used for qualitative analysis.

Quantitative analysis method for monomer of photoresist binder

An analysis method is provided, wherein a measurement sample containing a diamine and an acid dianhydride can be obtained without a separate methyl derivatization process. The analysis method includes pretreating a polyimide film including the polyimide which is a poorly soluble polymer with DMAc after hydrolysis, and determining an amount of monomers contained in the polyimide film.

Method for quantitative analysis of monomers in polyimide film

A device and system for detecting aldehydes or ketones and, more particularly, a device and system, for detecting aldehydes or ketones, utilized in a rotating platform are provided.

The present disclosure relates to a device capable of adjusting the pH of a sample and provides a device comprising microbeads capable of adjusting the pH of a sample to a predetermined value. The device comprises microbeads enabling adjustment to different pH values in each of a plurality of channels, and enables adjustment of the pH of the sample to a plurality of different pH values simultaneously upon injection of the sample.

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Daejeon, South Korea

Su Youn Han