Sample bag storage device for tetrodotoxin extraction sample
A technology of tetrodotoxin and storage device, which is used in laboratory containers, heating or cooling equipment, laboratory utensils, etc., to achieve the effects of good stability in use, easy access and avoidance of condensation water dripping
Pending Publication Date: 2022-04-08
CHINESE ACAD OF FISHERY SCI +1
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Problems solved by technology
[0004] The present invention aims to solve the above-mentioned problems existing in the storage method of the sample bag for extracting samples of tetrodotoxin, and provides a kind of ingenious structure, fast sample thawing speed, convenient taking and placing of the sample bag, good stability in use, and avoiding the time of thawing. Sample bag storage device for tetrodotoxin extraction samples from condensate dripping
Method used
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Embodiment Construction
[0020] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0021] Such as figure 1 , figure 2 A sample bag storage device for extracting tetrodotoxin samples as shown, including a left side plate 1 and a right side plate 2, the bottom of the left side plate and the right side plate is fixed with a bottom plate 25, and the left side plate and the right side plate are fixed There are two installation horizontal plates 3, and the inner surface of the left side plate and the right side plate is fixed with a shelf 26, the water tray 4 is placed on the shelf, the end of the shelf is fixed with a blocking block 27, and the horizontal plate is installed There are four clamping units for holding sample bags, clamping units (eg image 3 (shown) includes telescopic clamping strip 5 and return spring 6, the telescopic clamping strip is located under the installation horizontal plate, the top surface of the tele...
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The invention discloses a tetrodotoxin extraction sample bag storage device which comprises a left side plate and a right side plate, a mounting transverse plate is fixed between the left side plate and the right side plate, a water pan is arranged between the left side plate and the right side plate, a clamping unit is arranged on the mounting transverse plate, and the clamping unit comprises a telescopic clamping strip and a reset spring. Connecting rods are arranged on the two sides of the top face of the telescopic clamping strip, the connecting rods penetrate through the installation transverse plate and are in sliding fit with the installation transverse plate, a limiting plate is fixed to the upper ends of the connecting rods, the portions, located between the limiting plate and the installation transverse plate, of the connecting rods are sleeved with the reset springs, and releasing mechanisms capable of clamping or releasing the connecting rods are arranged in the installation transverse plate. A gap between the telescopic clamping strip and the mounting transverse plate forms a placing gap for placing a sample bag, and when the elastic clamping mechanism is separated from the connecting rod, the telescopic clamping strip is tightly pressed on the bottom surface of the mounting transverse plate. The device has the beneficial effects that the sample thawing speed is high, the sample bag is convenient to take and place, the use stability is good, and condensed water can be prevented from dripping during thawing.
Description
technical field [0001] The invention relates to a sample bag storage device, in particular to a sample bag storage device for frozen tetrodotoxin extraction samples. Background technique [0002] Tetrodotoxin (TTX) is a non-protein neurotoxin and a highly toxic alkaloid. In order to study the pollution of TTX in aquatic products, it is necessary to select tissues with high TTX content to extract TTX, and to separate and purify the extract. The main method of extracting TTX is the biological tissue extraction method. The specific steps of the biological tissue extraction method are: select the extraction samples with high toxin content (such as liver, ovary and other biological tissues), use appropriate material-liquid ratio and temperature, and use acetic acid aqueous solution Or acetic acid organic solvent for appropriate times of leaching, until most of the toxins in the tissue are dissolved, and then separate and purify. In order to improve the dissolution rate of TTX, t...
Claims
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IPC IPC(8): B01L3/00B01L7/00
Inventor 何雅静张小军曾军杰陈思
Owner CHINESE ACAD OF FISHERY SCI