Arc Lamp and Substrate Heating Apparatus Having the Arc Lamp

An arc lamp includes an arc tube configured to receive a reaction gas therein, and an anode and a cathode disposed opposite one another within the arc tube and configured to generate an electrical arc. The anode includes an anode head portion extending inwardly from an end portion of the arc tube, and an anode tip portion bonded to the anode head portion and comprising a trench extending in a top surface along a peripheral region of the anode tip portion. 1. An arc lamp , comprising:an arc tube configured to receive a reaction gas therein; andan anode and a cathode disposed opposite one another within the arc tube and configured to generate an electric arc,the anode comprising:an anode head portion extending inwardly from an end portion of the arc tube; andan anode tip portion bonded to the anode head portion, wherein the anode tip portion comprises a top surface, and wherein a trench extends around the top surface in a peripheral region of the anode tip portion.2. The arc lamp of claim 1 , wherein the anode head portion comprises a first metal and the anode tip portion comprises a second metal having a melting point greater than a melting point of the first metal.3. The arc lamp of claim 2 , wherein the anode head portion has heat conductivity greater than heat conductivity of the anode tip portion.4. The arc lamp of claim 2 , wherein the anode head portion comprises copper and the anode tip portion comprises tungsten.5. The arc lamp of claim 1 , wherein a middle portion in the top surface of the anode tip portion is surrounded by the trench and is configured to be in contact with the electric arc.6. The arc lamp of claim 5 , wherein the anode tip portion further comprises a protruding portion protruding upwardly from the middle portion.7. The arc lamp of claim 5 , wherein the anode tip portion further comprises a protruding portion protruding upwardly from the middle portion and having a stepwise shape.8. The arc lamp of claim 1 , wherein the anode comprises a ...

Pcr device including two heating blocks

According to the present invention, a PCR device including two heating blocks which is used for nucleic acid amplification reactions is disclosed. Using the PCR device of the present invention, nucleic acid amplification reactions can be efficiently performed.

PCR DEVICE INCLUDING TWO HEATING BLOCKS

According to the present invention, a PCR device including two heating blocks which is used for nucleic acid amplification reactions is disclosed. Using the PCR device of the present invention, nucleic acid amplification reactions can be efficiently performed. 1. A method for polymerase chain reaction (PCR) , the method comprising:heating and maintaining a first heating block at a first temperature for a denaturing process;heating and maintaining a second heating block at a second temperature for annealing and extension process; andmoving a chip holder between the first heating block and the second heating block for a predetermined number of times, wherein the chip holder accommodates a chip for PCR, and the chip for PCR is alternately in contact with the first heating block and the second heating block,wherein each of the first heating block and the second heating block is a single heating block.2. The method of claim 1 , wherein the moving further comprises stopping the chip holder at a location between a light source and a light detection unit so that a light emitted from the light source transmits through the chip for PCR and is detected by the light detection unit claim 1 , wherein the light source is disposed between the first heating block and second heating block claim 1 , and a light detection unit is disposed between the first heating block and the second heating block.3. The method of claim 1 , wherein the moving further comprises:placing the chip for PCR being in contact with the first heating block for a denaturing process;moving the chip for PCR in an upward so that the chip for PCR is separated from the first heating block;moving the chip for PCR from above the first heating block to above the second heating block in a left-right direction;moving the chip for PCR in a downward so that the chip for PCR is in contact with the second heating block for an annealing and extension process;moving the chip for PCR in an upward so that the chip for PCR is ...

ULTRA-HIGH-SPEED NUCLEIC ACID EXTRACTING APPARATUS AND NUCLEIC ACID EXTRACTING METHOD USING SAME

A nucleic acid extraction device, which can realize automation, ultra-miniaturization and super-high speed in the nucleic acid extraction reaction, has no limitation to the type of biological specimens that can be used, such as sputum, blood, cells, urine, saliva, tissues, etc., minimize the used amount of the sample solution, and also maintain and/or improve the nucleic acid extraction efficiency with reliability. 1. A device for extracting a nucleic acid from a biological specimen , the device comprising:a substrate; an inlet portion,', 'an outlet portion,', 'a channel connecting the inlet portion and the outlet portion, and', 'a filter disposed in the channel and having a porous structure;, 'a microfluidic chip comprising,'}a chip support disposed on one side of the substrate and including a chip receiving portion defining a space so that the chip receiving portion houses the microfluidic chip therein; anda heater disposed in the substrate and configured to apply heat to a part of the microfluidic chip.2. The device as claimed in claim 1 , wherein the chip receiving portion has a shape of a plate with a horizontal surface in close contact with one side of the microfluidic chip claim 1 ,wherein the heater is a contact plate type heating block, andwherein the heater transfers the heat to the microfluidic chip by a surface contact.3. The device as claimed in claim 1 , further comprising:a chip cover being arranged on one side of the chip support and having a horizontal surface in close contact with another side of the microfluidic chip.4. The device as claimed in claim 1 , further comprising:a fluid control module configured to control the flow of a reactant solution in the microfluidic chip.5. The device as claimed in claim 1 , further comprising:a heat control unit connected to the heater to control an amount of heat applied to a reactant solution in the microfluidic chip.6. The device as claimed in claim 1 , wherein the channel includes a first channel region ...

MICROFLUIDIC CHIP FOR EXTRACTING NUCLEIC ACIDS, DEVICE FOR EXTRACTING NUCLEIC ACIDS COMPRISING SAME, AND METHOD FOR EXTRACTING NUCLEIC ACIDS USING SAME

The present invention relates to a microfluidic chip for extracting nucleic acids, a nucleic acid extraction device having the same, and a nucleic acid extraction method using the same that can provide micro-miniaturization and ultra high speed, while maintaining and/or improving reliable nucleic acid extraction efficiencies, unlike the existing nucleic acid extraction device and method. 113-. (canceled)14. A microfluidic chip for extracting nucleic acids from a biological sample , the microfluidic chip comprising:an inlet portion;a heater disposed on a first channel region connected to the inlet portion configured to transmit the heat applied from an outside to the biological sample introduced from the inlet portion;a first filter disposed on a second channel region connected to the heater and configured to filter a substance out wherein the substance has a size larger than a size of the nucleic acids;a nucleic acid separator disposed on a third channel region connected to the first filter and having nucleic acid binding substances capable of specifically binding with the nucleic acids;a second filter disposed on a fourth channel region connected to the nucleic acid separator so as to filter the substance out; andan outlet portion connected to the second filter.15. The microfluidic chip according to claim 14 , wherein the first channel region claim 14 , the second channel region claim 14 , the third channel region claim 14 , and the fourth channel region are configured to allow a fluid to pass through and have a depth in a range of 0.001 to 10 mm claim 14 , respectively.16. The microfluidic chip according to claim 14 , wherein the first filter and the second filter have a thickness in a range of 0.01 to 10 mm claim 14 , while having pores in a diameter range of 0.1 to 0.4 μm.17. The microfluidic chip according to claim 14 , wherein the first filter and the second filter have a thickness in a range of 0.01 to 0.5 mm claim 14 , while having pores in a diameter of 0.2 ...

Ultra-high speed nucleic acid extraction apparatus and nucleic acid extraction procedure using the same

Un dispositivo para la extracción de un ácido nucleico de un espécimen biológico, que comprende: 5 un sustrato (500); un soporte del chip (600) que está dispuesto en la superficie superior del sustrato (500) y que incluye una parte de recepción (650) del chip que tiene la forma de una placa con una superficie horizontal en estrecho contacto con una superficie inferior de un chip de microfluidos para la extracción de ácidos nucleicos; un calentador (700) en forma de un bloque de calentamiento de tipo placa de contacto, estando el calentador (700) dispuesto en la superficie horizontal de la parte de recepción (650) del chip y hecho para aplicar calor a una parte de toda la superficie inferior del chip de microfluidos (1) para la extracción de ácidos nucleicos instalada en la parte de recepción (650) del chip; y un chip de microfluidos (1) para la extracción de ácidos nucleicos que tiene la forma de una placa con una superficie horizontal superior y una superficie inferior horizontal, en el que el chip de microfluidos (1) comprende: una parte de entrada (10); para recibir un espécimen biológico una parte de salida (60) para recuperar el ácido nucleico extraído; un canal (70) que conecta la parte de entrada (10) y la parte de salida (60); un primer filtro (30) y un segundo filtro (50), en el que el primer filtro (30) y el segundo filtro (50) están dispuestos dentro del canal (70) y en el que el primer filtro (30) y el segundo filtro (50) están configurados para permitir que una sustancia que tiene un tamaño equivalente de un ácido nucleico pase a través; una parte de separación (40) de ácido nucleico, en la que la parte de separación (40) de ácido nucleico está situada entre el primer filtro (30) y el segundo filtro (50), y en la que dicha parte de separación (40) de ácido nucleico comprende una sustancia de unión (45) a ácido nucleico capaz de unirse específicamente al ácido nucleico; y una parte de calentamiento (20), en la que la parte de calentamiento (20) está ...

Aparat za ultra brzu ekstrakciju nukleinske kiseline i postupak za ekstrakciju nukleinske kiseline upotrebom ovog aparata

Arc lamp and substrate heating apparatus having the arc lamp

An arc lamp includes an arc tube configured to receive a reaction gas therein, and an anode and a cathode disposed opposite one another within the arc tube and configured to generate an electrical arc. The anode includes an anode head portion extending inwardly from an end portion of the arc tube, and an anode tip portion bonded to the anode head portion and comprising a trench extending in a top surface along a peripheral region of the anode tip portion.

Ultra-high-speed nucleic acid extracting apparatus and nucleic acid extracting method using same

A nucleic acid extraction device, which can realize automation, ultra-miniaturization and super-high speed in the nucleic acid extraction reaction, has no limitation to the type of biological specimens that can be used, such as sputum, blood, cells, urine, saliva, tissues, etc., minimize the used amount of the sample solution, and also maintain and/or improve the nucleic acid extraction efficiency with reliability.