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Drying device for evaporating a plurality of liquid biochemical samples simultaneously

A drying device and biochemical technology, used in the preparation of test samples, drying solid materials, drying solid materials without heating, etc., can solve the problems of long time, cumbersome and inconvenient operation, etc. The effect of preparation efficiency

Inactive Publication Date: 2007-06-27
INST OF PSYCHOLOGY CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the different types of liquid nitrogen storage tanks sold in commercial products are single-channel, which can only dry samples one by one. The operation is cumbersome and inconvenient, and takes a long time.

Method used

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  • Drying device for evaporating a plurality of liquid biochemical samples simultaneously
  • Drying device for evaporating a plurality of liquid biochemical samples simultaneously
  • Drying device for evaporating a plurality of liquid biochemical samples simultaneously

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The drying device for evaporating liquid components of multiple biochemical extracts at the same time mainly includes: a bookshelf bracket 1 made of metal made of a base and left and right side walls, and the side walls of the bookshelf bracket 1 are installed with two open A multi-channel adapter 3 composed of pipes with a channel 4 and closed ends, wherein each of the two pipes of the multi-channel adapter has a liquid nitrogen input port, and the input port is connected to a pipe with a control air valve. 7 rubber sleeves 6, two rubber sleeves 6 communicate with the liquid nitrogen tank through a tee; each channel 4 port of the multi-channel adapter 3 can be connected to a rubber sleeve 6, the rubber sleeve 6 The other end is in communication with the glass blowing tube 8; sample tubes 11 of different calibers are placed on the lower shelf of the bookshelf bracket 1, and the upper openings of the sample tubes 11 of different calibers are aligned with the lower opening...

Embodiment 2

[0022] Make according to Fig. 1 and 2, make the bookshelf type support 1 of a length 550cm * width 110cm * height 500cm with metal or plastics, there are two parallel height adjustment grooves 2 of length 190cm on the side wall; The multi-channel adapter 3 made of steel pipes has two ports closed, and 15 channels 4 are opened on the walls of the two steel pipes of the multi-channel adapter 3, and the ports of each channel 4 are connected to a rubber sleeve 6; There are also liquid nitrogen input ports on the walls of the two steel pipes, and the port of the liquid nitrogen input port communicates with the liquid nitrogen tank through a rubber sleeve 6; a height adjustment knob 5 is used to fix the multi-channel adapter 3 on the In the height adjustment groove 2 of the bracket 1, the distance between the adapter and the sample tube can be adjusted by adjusting the height adjustment knob 5 up and down in the height adjustment groove 2. The channel 4 is also connected to the glas...

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PUM

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Abstract

The invention relates to a drying unit for evaporating liquid components of a plurality of biochemical extracts simultaneously and rapidly under low temperature. The unit comprises a book shelf type support, a multichannel adapter, a liquid nitrogen container, a glass airlance and a telescopic sample tube placing sponge holder.

Description

technical field [0001] The invention relates to a drying experiment device for liquid samples, in particular to a drying device for quickly evaporating liquid components of multiple biochemical extracts at low temperature. Background technique [0002] Rapid drying of liquid samples is the most common step in biochemical analysis. At present, the commonly used methods involving sample drying at home and abroad mainly include vacuum drying, natural / heating drying and liquid nitrogen drying. The first two methods have their limitations in use, such as vacuum drying requires a special vacuum extraction device sold on the market, while the natural / heating drying method has a slow aging time, and both are not suitable for some samples that are sensitive to heat. . Drying with liquid nitrogen can quickly dry samples at low temperature without destroying the properties of samples, and is currently a widely used drying method for biochemical samples. However, most of the differen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F26B5/00G01N1/42
Inventor 林文娟王玮文梁云明黄景新
Owner INST OF PSYCHOLOGY CHINESE ACADEMY OF SCI
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