Solution sample creep experimental device

A solution sample and experimental device technology, applied in measurement devices, instruments, scientific instruments, etc., can solve the problems of easy radiation damage of protein samples, easy leakage of solution samples, inconvenient temperature control, etc., to avoid radiation damage, facilitate experimental operation, Good sealing performance

Active Publication Date: 2015-04-08
SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a solution sample peristaltic experiment device, thereby overcoming the defects of inconvenient operation, low efficiency, easy leakage of solution samples, easy radiation damage of protein samples, and inconvenient temperature control in the prior art

Method used

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Embodiment Construction

[0026] In order to further understand the technical means and features of the present invention, I would like to give an example in conjunction with the drawings to further explain in detail below:

[0027] Such as Figure 1-3 As shown, the present invention provides a solution sample peristalsis experiment device of a preferred embodiment, which is used for SAXS measurement of solution samples, especially for SAXS measurement of protein solution samples. Specific as Figure 1-2 As shown, the solution sample peristalsis experiment device mainly includes: a base 1, a control chamber 2, a sample chamber 3, a container 4, a syringe pump 5, a side seat 6 and a circulating temperature control device 7. Among them, the controlled greenhouse 2 is arranged above the base 1, and its upper wall is respectively provided with an inlet 22 and an outlet 23, which are connected to the circulating temperature control device 7, so as to pass the constant temperature circulating liquid into the co...

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Abstract

The invention provides a solution sample creep experimental device which comprises a temperature control room, a sample room, a container and an injection pump, wherein the temperature control room is fixedly arranged through a base and is fully filled with constant temperature circulation fluid; the sample room is arranged in the temperature control room and consists of an upper duct, a capillary tube and a lower duct, which are sequentially connected; the container is connected with the lower end of the lower duct and is used for containing a solution sample; the injection pump is connected with the upper end of the upper duct; the solution sample is sucked into the capillary tube from the container under the action of the injection pump and creeps back and forth; and light-transmitting orifices are symmetrically formed in the side wall of the temperature control room on the height corresponding to the capillary tube. The solution sample creep experimental device is simple and convenient to operate, high in efficiency and good in sealing performance; the quartz glass capillary tube at a light-transmitting window is low in background scattering and small in absorption amount; the sample creep is realized, and the damage of X rays on the protein solution sample is avoided; and the experimental device is combined with a temperature control device, so that the small angle X-ray scattering (SAXS) measurement for temperature control can be performed.

Description

Technical field [0001] The invention relates to the field of synchrotron radiation small-angle X-ray scattering, in particular to a solution sample peristaltic experiment device. Background technique [0002] Synchrotron radiation small-angle X-ray scattering is a technique and method that uses synchrotron radiation as a probe to study the submicroscopic structure and morphological characteristics of substances, and is widely used in condensed matter physics, materials science, biological macromolecules and other disciplines. Among them, with the construction and development of synchrotron radiation devices and the generation and improvement of various modeling methods, small-angle X-ray scattering technology (SAXS) has gradually become an important tool in structural biology, compared with other experimental techniques The biggest advantage of SAXS is that it can be used to study the structure and conformational changes of biological macromolecules in solution, such as protein a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N23/201
Inventor 边风刚李怡雯王劼
Owner SHANGHAI INST OF APPLIED PHYSICS - CHINESE ACAD OF SCI
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