Samsung Electronics Co., Ltd.

Soo-hyung Choi

Soo-suk Lee

Sung-ouk Jung

Jung-Im Han

Joon-shik Park

Jang-seok Ma

Ki-eun Kim

Jeo-young Shim

Hun-joo Lee

Kyu-tae Yoo

Nam Huh

Jun-Hong Min

Jeong-na Heo

Jeong-Hee Lee

Ji-na Namgoong

Ji-young Oh

In-ho Lee

Jong-suk Chung

Heon-su Jeon

Fu Wang

A method of positively detecting toxic materials within a sample, the method including contacting sub-mitochondrial particles having competent mitochondrial enzymes formed from inner membranes of mitochondria, an electron donor which transmits electrons to an electron transfer system of the sub-mitochondrial particles and the sample, and forming reaction resultants, adjusting a pH of a pH indicator which change color according to a change in pH, adding the pH indicators to each reaction resultant and identifying color changes of the pH indicator. Also provided is a kit for positively detecting toxic materials within a sample.

Kit for positively detecting toxic material

A carbon nanotube ('CNT') gas sensor includes a substrate, an insulating layer formed on the substrate, electrodes formed on the insulating layer, and CNT barriers that protrude higher than the electrodes in spaces between the electrodes to form gas detecting spaces. A method of manufacturing the gas sensor includes forming an insulating layer on a substrate, forming an electrode pattern on the insulating layer, coating CNT paste having a thickness greater than a thickness of electrodes in the electrode pattern on the electrodes and the insulating layer, and patterning and firing the carbon nanotube paste, including using a photolithography method, to retain only portions of the CNT paste coated on spaces between the electrodes.

Carbon nanotube gas sensor and method of manufacturing the same

Disclosed herein is a method of positively detecting toxic materials within a sample, the method including contacting sub-mitochondrial particles with an electron donor. The electron donor is reacted with an electron transfer system of the sub-mitochondrial particles to produce a reactant. A pH indicator has its pH adjusted to be in a range of 9 to 11. The pH indicator is added to each reactant. Color changes in the pH indicator permit the detection of toxins present in the sample.

Method for positively detecting toxic material

The microfluidic device includes a rotatable platform, a plurality of connection ports disposed at a portion of the platform proximate to a shaft connection hole, the plurality of connection ports capable of being connected to an external connector for selectively injecting and discharging fluid and being closed by the connector, a trap chamber disposed at a portion of the platform further away from the shaft connection hole than the plurality of connection ports, the trap chamber including an inlet connected with at least one connection port of the plurality of connection ports, an outlet connected with another connection port of the plurality of connection ports and structures which enlarge a contact area with the fluid and a temporary storage including an inlet connected with the outlet of the trap chamber and an outlet connected with another connection port of the plurality of connection ports.

Microfluidic device using centrifugal force and pump to control fluid movement, microfluidic system comprising the same and method of manufacturing the microfluidic device

A method of increasing discrimination for a target DNA having a polymorphic site is provided. The method comprising immobilizing first and second probes on a substrate; hybridizing the immobilized first and second probes with first and second hurdle DNAs, respectively; and hybridizing the target DNA with the hybrids, and determining the ratio of a signal of the target DNA hybridized to the first probe to a signal of the target DNA hybridized to the second probe. The addition of a hurdle DNA and variation of a probe base can improve an ability of discriminating a single base mismatch.

Method of increasing discrimination for single base mismatch using hurdle DNA and artificially mismatched probe

Provided is a method for detecting the degree of toxicity of toxic materials within a sample. The method includes contacting sub-mitochondrial particles having competent mitochondrial enzyme formed from the inner membranes of mitochondria, an electron donor which transmits electrons to the electron transfer system of the sub-mitochondrial particles, and a sample which will be tested; adding tris-2,2'-bipyridyl-ruthenium (II) ion to the reaction mixture; and measuring electrical variables of the reaction mixture. Also, provided is an apparatus and kit for detecting the presence of toxic materials within a sample.

Method for detecting presence of toxic material within sample

Provided are a biochip platform for biochemically analyzing a sample such as DNA or protein, including a dielectric particle layer, and an optical assay apparatus including the same. The biochip platform includes the dielectric particle layer uniformly formed on a substrate. The particle uniformity of the dielectric particle layer enables good wavelength separation of fluorescence signal, and the large surface area of the dielectric particle layer guarantees better amplifications efficiency of fluorescence signal. Furthermore, the biochip platform shows good economical efficiency due to easy fabrication process, and is particularly useful in an optical assay apparatus for analyzing a biochemical sample due to good assay efficiency.

Biochip platform including dielectric particle layer and optical assay apparatus using the same

Provided is a method of sensing biomolecules using a bioFET, the method including: forming a layer including Au on a gate of the bioFET; forming a probe immobilized on a substrate separated from the gate by a predetermined distance, and a biomolecule having a thiol group (&#x2014;SH) which is incompletely bonded to the probe; reacting the probe with a sample including a target molecule; and measuring a current flowing in a channel region between a source and a drain of the bioFET.

Growing community of inventors

Hwaseong-si, South Korea

Soo-hyung Choi