CN206756682U - A kind of DC electric field circular dichroism detecting system - Google Patents
A kind of DC electric field circular dichroism detecting system Download PDFInfo
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- CN206756682U CN206756682U CN201720247587.5U CN201720247587U CN206756682U CN 206756682 U CN206756682 U CN 206756682U CN 201720247587 U CN201720247587 U CN 201720247587U CN 206756682 U CN206756682 U CN 206756682U
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- circular dichroism
- sample holder
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Abstract
A kind of DC electric field circular dichroism detecting system is the utility model is related to, it includes base, sliding block, sample holder, plane-parallel capacitor, cuvette, power connector end and spectrum detection instrument；The base uses groove type structure, is slided in the groove and is provided with the sliding block, and the groove both sides are provided with scale；The slider top is provided with the sample holder；The plane-parallel capacitor is provided with the sample holder, the cuvette is provided with the plane-parallel capacitor；The power connector end being connected with external dc power is respectively arranged with positioned at the plane-parallel capacitor both ends；The spectrum detection instrument is additionally provided with outside the plane-parallel capacitor.The utility model can obtain the chiral information of structure, orientation, the arrangements such as molecule under electrostatic field, supermolecule, chiral Nanoscale assemblies etc., can be applied extensively in analytical and testing instrument field.
Description
Technical field
A kind of spectral detection system is the utility model is related to, is applied especially with regard to one kind in analytical and testing instrument field
DC electric field circular dichroism detecting system.
Background technology
Circular dichroism (CD spectrum) is to determine one of effective ways of chipal compounds spatial configuration；Not only extensive use
In the identification of chipal compounds, the synthesis of chirality function material, device etc. and sign, it may also be used for chemical biology field, such as
Peptide, DNA, structure and the Characterization of The Interaction such as stacking states of protein and its assembly.
The structure and performance of chipal compounds and aggregation etc. are often closely related with environmental factor, such as by changing temperature
Degree, magnetic field, photoresponse etc. can effectively regulatory molecule, aggregation and corresponding multistage package assembly chiral information.It is in addition, electric
Field is a kind of important additional field of force, and material impact is suffered to the structure and function of molecule, cell, or even organism.But
In the presence of extra electric field, the chiral information of the structure of molecule, supermolecule, chiral Nanoscale assemblies etc., orientation, arrangement etc. also without
Method definitely characterizes.Using the extra electric field environmental factor new as one, the circular dichroism light characterized based on material chiral structure is introduced
Spectrum, is a kind of new chiral characterization technique, is rarely reported.
The content of the invention
In view of the above-mentioned problems, the purpose of this utility model is to provide a kind of DC electric field circular dichroism detecting system, should
System makes and is simple and convenient to operate, is practical, can obtain molecule under electrostatic field, supermolecule, chiral Nanoscale assemblies etc.
The chiral information of structure, orientation, arrangement etc., extend the application field of existing instrument.
To achieve the above object, the utility model takes following technical scheme：A kind of DC electric field circular dichroism detection
System, it is characterised in that：The system include base, sliding block, sample holder, plane-parallel capacitor, cuvette, power connector end and
Spectrum detection instrument；The base uses groove type structure, the sliding block is provided with the groove, and the groove both sides are provided with quarter
Degree；The slider top is provided with the sample holder；The plane-parallel capacitor is provided with the sample holder, it is described flat
The cuvette is provided with parallel plate capacitor；The plane-parallel capacitor both ends are respectively arranged with to be connected with external dc power
The power connector end；The spectrum detection instrument is located at outside the plane-parallel capacitor.
Further, the plane-parallel capacitor includes two baffle plates and two electrode slices；Two electrode slices are symmetricly set on institute
Cuvette both ends are stated, and the two electrode slice bottoms are fixed on the sample holder, are respectively arranged with two electrode slices
The power connector end；Two baffle plates are located at the cuvette slit front and rear respectively, and in the middle part of each baffle plate
It is both provided with for by square through hole of the incident light effectively by being placed on sample in the cuvette.
Further, the electrode slice is made of brass material.
Further, the power connector end is made of brass material.
Further, the sample holder is made of black polytetrafluoroethenline material.
For the utility model due to taking above technical scheme, it has advantages below：1st, the utility model can be by external
Power up the regulation regulation and control electric field strength of voltage, and can be adjusted by sliding block between cuvette and spectrum detection instrument away from
From, and then realize the test of the circular dichroism in electrostatic field.2nd, the utility model connects applying direct current electric field by power supply, by
Electrode slice and baffle plate form closure parallel capacitor, and sample receives electrostatic force in the uniform electric field that plane-parallel capacitor is formed
Effect, is detected by circular dichroism instrument, so as to obtain molecule under electrostatic field, supermolecule, chiral Nanoscale assemblies
Etc. the chiral information of structure, orientation, arrangement etc..3rd, the utility model there is making to be simple and convenient to operate, be practical etc.
Advantage.4th, the utility model can extend the application field of existing instrument, help researcher to understand the chiral effect in organism,
Play an important roll to researching and developing valuable biologic applications material.
In summary, the utility model can be applied in analytical and testing instrument field extensively.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
As shown in figure 1, the utility model provides a kind of DC electric field circular dichroism detecting system, it includes base 1, slided
Block 2, sample holder 3, plane-parallel capacitor 4, cuvette 5, power connector end 6 and spectrum detection instrument 7.Base 1 uses groove type
Structure, sliding block 2 is provided with groove, and groove both sides are provided with scale.The top of sliding block 2 is provided with sample holder 3, passes through sliding block
2 drive sample holder 3 in 1 enterprising line slip of base.Plane-parallel capacitor 4, plane-parallel capacitor 4 are provided with sample holder 3
Inside it is provided with cuvette 5；The both ends of plane-parallel capacitor 4 are respectively arranged with power connector end 6, for connecting with external dc power
Connect.Spectrum detection instrument 7 is located at outside plane-parallel capacitor 4.
In above-described embodiment, plane-parallel capacitor 4 includes two baffle plates 41 and two electrode slices 42.Two electrode slices 42 are symmetrically set
Put at the both ends of cuvette 5, and the bottom of two electrode slice 42 is fixed on sample holder 3, and power supply is respectively arranged with two electrode slices 42
Connection end 6；Two baffle plates 41 are located at the slit front and rear part of cuvette 5 respectively, and the middle part of each baffle plate 41 is both provided with square through hole, with
It is easy to sample of the incident light effectively by being placed in cuvette 5.
In above-described embodiment, electrode slice 42 is made of brass material.
In the various embodiments described above, power connector end 6 is also made of brass material, and sample holder 3 uses black polytetrafluoro
Vinyl material is made.
In summary, the utility model when in use, by power connector end 6 to parallel capacitor applying direct current electric field,
Change electric field strength by regulating and controlling voltage, voltage adjustable extent is 50v-5000v.By light under the conditions of extra electric field
Spectrometer 7 carries out circular dichroism test to solution and gel sample, there is the utility model making to be simple and convenient to operate,
The advantages that practical, electric field strength can be regulated and controled by the regulation to additional power source voltage, and ratio can be adjusted by sliding block 2
The distance between color ware 5 and spectrum detection instrument 7, and then realize and circular dichroism test is carried out in electrostatic field.
The various embodiments described above are merely to illustrate the utility model, and structure and size, set location and the shape of each part are all
It can be varied from, it is all that individual part is entered according to the utility model principle on the basis of technical solutions of the utility model
Capable improvement or equivalents, it should not exclude outside the scope of protection of the utility model.
Claims (5)
- A kind of 1. DC electric field circular dichroism detecting system, it is characterised in that：The system include base, sliding block, sample holder, Plane-parallel capacitor, cuvette, power connector end and spectrum detection instrument；The base uses groove type structure, is set in the groove The sliding block is equipped with, and the groove both sides are provided with scale；The slider top is provided with the sample holder；The sample branch The plane-parallel capacitor is provided with frame, the cuvette is provided with the plane-parallel capacitor；The parallel plate capacitor Device both ends are respectively arranged with the power connector end being connected with external dc power；The spectrum detection instrument is positioned at described parallel Outside plate capacitor.
- A kind of 2. DC electric field circular dichroism detecting system as claimed in claim 1, it is characterised in that：The parallel-plate electricity Container includes two baffle plates and two electrode slices；Two electrode slices are symmetricly set on the cuvette both ends, and two electrode slices Bottom is fixed on the sample holder, and the power connector end is respectively arranged with two electrode slices；Two baffle plates point Not Wei Yu the cuvette slit front and rear, and be both provided with being used to effectively pass through incident light in the middle part of each baffle plate It is placed on the square through hole of sample in the cuvette.
- A kind of 3. DC electric field circular dichroism detecting system as claimed in claim 2, it is characterised in that：The electrode slice is adopted It is made of brass material.
- A kind of 4. DC electric field circular dichroism detecting system as described in any one of claims 1 to 3, it is characterised in that：Institute Power connector end is stated to be made of brass material.
- A kind of 5. DC electric field circular dichroism detecting system as described in any one of claims 1 to 3, it is characterised in that：Institute Sample holder is stated to be made of black polytetrafluoroethenline material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720247587.5U CN206756682U (en) | 2017-03-14 | 2017-03-14 | A kind of DC electric field circular dichroism detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720247587.5U CN206756682U (en) | 2017-03-14 | 2017-03-14 | A kind of DC electric field circular dichroism detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206756682U true CN206756682U (en) | 2017-12-15 |
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ID=60610093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720247587.5U Active CN206756682U (en) | 2017-03-14 | 2017-03-14 | A kind of DC electric field circular dichroism detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206756682U (en) |
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2017
- 2017-03-14 CN CN201720247587.5U patent/CN206756682U/en active Active
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