CN109239245A - A kind of chromatography column holder - Google Patents

A kind of chromatography column holder Download PDF

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Publication number
CN109239245A
CN109239245A CN201710556923.9A CN201710556923A CN109239245A CN 109239245 A CN109239245 A CN 109239245A CN 201710556923 A CN201710556923 A CN 201710556923A CN 109239245 A CN109239245 A CN 109239245A
Authority
CN
China
Prior art keywords
chromatographic column
ontology
way connection
chromatography column
accommodation groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710556923.9A
Other languages
Chinese (zh)
Inventor
郭方
谭敏佳
翟琳辉
刘萍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Institute of Materia Medica of CAS
Original Assignee
Shanghai Institute of Materia Medica of CAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Institute of Materia Medica of CAS filed Critical Shanghai Institute of Materia Medica of CAS
Priority to CN201710556923.9A priority Critical patent/CN109239245A/en
Publication of CN109239245A publication Critical patent/CN109239245A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • G01N30/60Construction of the column
    • G01N30/6047Construction of the column with supporting means; Holders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D15/00Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • B01D15/08Selective adsorption, e.g. chromatography
    • B01D15/10Selective adsorption, e.g. chromatography characterised by constructional or operational features
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02Column chromatography
    • G01N30/26Conditioning of the fluid carrier; Flow patterns
    • G01N30/28Control of physical parameters of the fluid carrier
    • G01N30/30Control of physical parameters of the fluid carrier of temperature

Abstract

The invention discloses a kind of chromatography column holders, including ontology, the ontology is equipped with the cross recess for accommodating the accommodation groove of the chromatographic column and for placing three-way connection or four-way connection, the accommodation groove is connected with cross recess, and the accommodation groove has the opening that the tail portion for the chromatographic column is stretched out.Using chromatography column holder of the invention, can orderly be stored for the chromatographic column of different length.

Description

A kind of chromatography column holder
Technical field
The present invention relates to LC-MS fields, in particular to a kind of chromatography column holder.
Background technique
Currently, the Main Analysis instrument of proteomics research is that nanoliter level high performance liquid chromatography and high resolution mass spectrum are combined System, the system include liquid chromatograph, ion source and mass spectrometer detector, and liquid chromatograph can be by sample to be tested each component Separation, ion source can ionize the sample to be tested each component after separating by liquid chromatograph, and mass spectrometer detector can Sample to be tested each component after ionization is analyzed one by one, obtains the information such as molecular weight, structure and the concentration of sample to be tested.It should In system, the mobile phase containing sample to be tested comes out from liquid chromatograph and is delivered to ion source, and electric under the action of the DC voltage Mass spectrometer detector is delivered to through chromatographic column from after to be analyzed.Wherein, chromatographic column uses quartz capillary voluntarily hand-made more, For its length from 10cm-300cm etc., chromatographic column can be placed in the support that in ion source and need to obtain bracket.
Fig. 1 is the structural schematic diagram of the chromatography column holder of the prior art;Fig. 2 is the front-view schematic diagram of Fig. 1.Referring to Fig. 1, figure 2, the chromatography column holder of the prior art includes the round bar 1 of a root long 15cm, which is fixed in ion source, and one end is equipped with Three-way connection 2, the other end are fixed on the fixed part 3 of ion source, two imports 201,202 of three-way connection 2 be separately connected from The DC voltage connector (not shown) for the mobile phase pipeline (not shown) and ion source that liquid chromatograph extracts, Outlet 203 then connects chromatographic column 4.The head 401 of chromatographic column 4 is connected with the outlet 203 of the three-way connection 2, the tail portion of chromatographic column 4 402 extend to the entrance of mass spectrometer detector, and as shown in Figure 1 and Figure 2, chromatographic column 4 can ride on the round bar 1 to be supported.Cause This, existing chromatography column holder is simply possible to use in the chromatography that bearing length is no more than 15cm due to the limitation of 1 length of round bar Column.If being more than the chromatographic column of 15cm by length, such as homemade long chromatographic column rides on the round bar 1, chromatographic column pendulum will cause Put it is unordered, not only increase operator dismount chromatographic column workload, be also easy to lead to the maloperation of operator and damage Chromatographic column.
In addition, nanoliter level high performance liquid chromatography and high resolution mass spectrum combined system are that chromatographic column is directly exposed to external sky In gas, it on the one hand will cause chromatographic column barrel temperatures and fluctuated with the change of environment temperature, seriously affect the steady of chromatography post separation Qualitative, reproducibility;On the other hand chromatographic column barrel temperatures can be made to be unevenly distributed, the temperature of different parts has dramatically different, color The spectrum longer difference of column is more obvious, and the difference of this temperature can seriously reduce the splitter effect of chromatographic column.And existing chromatographic column branch Holder function is single, only has the function of supporting chromatographic column, cannot achieve to chromatographic column heating function, and user is to realize heating function Entire ion source can must be bought and replace, at high cost and applicability is not strong.
For the above problem in the presence of the prior art, the new chromatography column holder of one kind is provided and is of great significance.
Summary of the invention
To solve the above problems, the present invention provides a kind of chromatography column holder, can for different length chromatographic column it is orderly Storage.
To achieve the above object, chromatography column holder of the invention, including ontology, the ontology are equipped with described for accommodating The accommodation groove of chromatographic column and cross recess for placing three-way connection or four-way connection, the accommodation groove are connected with cross recess Logical, the accommodation groove has the opening that the tail portion for the chromatographic column is stretched out.
Preferably, the accommodation groove is oval.
Preferably, the lower part of the ontology offers the first blind hole for heating rod insertion.
Further, the lower part of the ontology offers the second blind hole for temp probe insertion.
Preferably, the ontology is fixed in ion source.
Chromatography column holder of the invention which is provided with the accommodation groove for accommodating chromatographic column, the chromatographic column disk of different length It can be placed in the accommodation groove after, avoid chromatographic column and put unordered and be easy to be risk of damage to.In addition, the chromatographic column branch The lower part of frame may be implemented equipped with the first blind hole being inserted into for heating rod and for the second blind hole of temp probe insertion to chromatographic column Heating and temperature controlling function, column effect, stability and the reproducibility of chromatography post separation can not only be improved, additionally it is possible to avoid replacement from Component, save the cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the chromatography column holder of the prior art;
Fig. 2 is the front-view schematic diagram of Fig. 1;
Fig. 3 is the structural schematic diagram of chromatography column holder of the invention, and it illustrates chromatographic columns and three-way connection to be put in ontology On state;
Fig. 4 is the front-view schematic diagram of chromatography column holder of the invention;
Fig. 5 is the schematic side view of chromatography column holder of the invention;
Fig. 6 is a kind of mounting structure schematic diagram of embodiment of chromatography column holder of the invention.
Specific embodiment
In the following, being further described in conjunction with attached drawing to structure and working principle etc. of the invention.
Referring to Fig. 3~Fig. 5, chromatography column holder of the invention includes ontology 5, which is equipped with for accommodating chromatographic column 4 Accommodation groove 501, accommodation groove 501 have for chromatographic column 4 tail portion 402 stretch out opening 5011.As shown in figure 3, can be by chromatography Column 4 is placed in accommodation groove 501 after coiling, the head 401 of chromatographic column 4 and the three-way connection 2 or four-way connection that are mentioned below Outlet be connected, the entrance of mass spectrometer detector is then stretched out from opening 5011 and extended in the tail portion 402 of chromatographic column 4.Using this Chromatography column holder with accommodation groove 501, no matter chromatographic column how long can all deposit in an orderly manner accommodation groove 501 after coiling It is interior.
Since the external structure of chromatographic column 4 is the quartz capillary with toughness and hardness, toughness can make chromatography The coiling bending of column 4, but hardness again limits the degree of the coiling bending of chromatographic column 4, therefore, as a preferred method, such as Fig. 3 Shown, accommodation groove 501 can be oval, so that chromatographic column 4 is easier to store and does not allow frangibility.
For the compactedness of structure, the cross recess for placing three-way connection 2 or four-way connection is additionally provided on ontology 5 502, as shown in figure 3, cross recess 502 is connected with accommodation groove 501, the head 401 of chromatographic column 4 be connected to three-way connection 2 or The outlet of four-way connection.
If placing three-way connection 2 in the cross recess 502, two imports 201,202 of three-way connection 2 are separately connected from liquid phase The DC voltage connector of the mobile phase pipeline that chromatograph extracts and ion source, outlet 203 then connect the head of chromatographic column 4 401.The working principle of the three-way connection 2 an are as follows: import of the mobile phase through three-way connection 2 to come is conveyed from liquid chromatograph 201 enter inside three-way connection 2, and DC voltage is entered inside three-way connection 2 by another import 202 of three-way connection 2, will Compound in mobile phase and mobile phase is ionized, and the mobile phase after ionization enters chromatographic column through the outlet 203 of three-way connection 2 4。
If placing four-way connection in the cross recess 502, two imports of four-way connection, which are separately connected from liquid chromatograph, draws The DC voltage connector of mobile phase pipeline and ion source out, the head of the one outlet connection chromatographic column 4 of the four-way connection Portion 401, another outlet are connected by pipeline with waist valve.The working principle of the four-way connection are as follows:, should when waist valve closure Four-way connection is identical as the working principle of above-mentioned three-way connection 2, and details are not described herein again;When waist valve is opened, from liquid chromatogram An import of the mobile phase through four-way connection that instrument conveying comes enters inside four-way connection, and DC voltage is by the another of four-way connection One import enters inside four-way connection, and the compound in mobile phase and mobile phase is ionized, the mobile phase after ionization One outlet through four-way connection flows out and enters waste liquid bottle through waist valve, without entering chromatographic column 4.
Since chromatographic column 4 is chronically exposed in outside air, the barrel temperatures of chromatographic column 4 can with the change of environment temperature and It fluctuates and Temperature Distribution is also uneven, seriously reduce the splitter effect of chromatographic column 4.As shown in Fig. 3~Fig. 5, in order to make chromatography The barrel temperatures of column 4 are stable and are evenly distributed, and can offer the first blind hole 503 for heating rod insertion in the lower part of ontology 5, add Hot pin can be inserted into first blind hole 503 and heat to the ontology 5, and then protect to the chromatographic column 4 being placed in accommodation groove 501 Temperature, the barrel temperatures to ensure chromatographic column 4 are stable and are evenly distributed.
It further,, can also be in ontology 5 in order to preferably control the barrel temperatures of chromatographic column 4 with continued reference to Fig. 3~Fig. 5 Lower part offer for temp probe insertion the second blind hole 504.Above-mentioned temp probe and heating rod are connected with temperature controller, Wherein, temp probe can measure the internal temperature of ontology 5, reflect that the temperature of the chromatographic column 4 in accommodation groove 501, temperature are visited indirectly By the temperature feedback measured to temperature controller, which opens head further according to the temperature measured control heating rod It closes.Preferably, thermocouple can be selected in temp probe.
Ontology 5 is securable in ion source, and as an implementation, ontology 5 is securable to be previously mentioned in the prior art Round bar 1 on, referring to Fig. 6, round bar 1 is fixed in ion source, then ontology 5 is securable on the round bar 1.
Since one end of round bar 1 in the prior art is fixed on the fixed part 3 of ion source, ontology 5 can be sheathed on circle It on bar 1 and is fixed on fixed part 3, to guarantee the stability of the placement of ontology 5, is further ensured that chromatographic column 4 can steadily be set In in accommodation groove 501.Specifically, referring to Fig. 6 and in conjunction with Fig. 3~Fig. 5, the lower part of ontology 5 offers the through-hole worn for round bar 1 505, while it being also provided with the trough with straight angle 506 matched with the fixed part 3 of rectangular in cross-section, the trough with straight angle 506 and 505 phase of through-hole Connection.
The ontology 5 of chromatography column holder of the invention is equipped with the accommodation groove 501 for accommodating chromatographic column 4, different length Chromatographic column 4 can be placed in the accommodation groove 501 after coiling, and avoided chromatographic column 4 and put unordered and be easy to be risk of damage to.Separately Outside, the second blind hole 504 that the lower part of ontology 5 is equipped with the first blind hole 503 be inserted into for heating rod and is inserted into for temp probe, can be with It realizes the heating to chromatographic column 4 and temperature controlling function, chromatographic column 4 isolated column effect, stability and reproducibility can not only be improved, also It can be avoided replacement ion source, save the cost.
More than, schematic description only of the invention, it will be recognized by those skilled in the art that without departing from work of the invention On the basis of making principle, a variety of improvement can be made to the present invention, this is all belonged to the scope of protection of the present invention.

Claims (5)

1. a kind of chromatography column holder, which is characterized in that including ontology, the ontology is equipped with the appearance for accommodating the chromatographic column Slot and the cross recess for placing three-way connection or four-way connection are set, the accommodation groove is connected with cross recess, the accommodating Slot has the opening that the tail portion for the chromatographic column is stretched out.
2. chromatography column holder as described in claim 1, which is characterized in that the accommodation groove is oval.
3. chromatography column holder as described in claim 1, which is characterized in that the lower part of the ontology is offered to be inserted into for heating rod The first blind hole.
4. chromatography column holder as claimed in claim 3, which is characterized in that the lower part of the ontology is offered inserts for temp probe The second blind hole entered.
5. chromatography column holder as described in claim 1, which is characterized in that the ontology is fixed in ion source.
CN201710556923.9A 2017-07-10 2017-07-10 A kind of chromatography column holder Pending CN109239245A (en)

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Application Number Priority Date Filing Date Title
CN201710556923.9A CN109239245A (en) 2017-07-10 2017-07-10 A kind of chromatography column holder

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CN109239245A true CN109239245A (en) 2019-01-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111239309A (en) * 2020-01-20 2020-06-05 安徽省先锋制药有限公司 High performance liquid chromatography column

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0985928A1 (en) * 1998-09-08 2000-03-15 SGT Exploitatie B.V. Assembly for placing a capillary gas chromatography column in a gas chromatograph
CN201130173Y (en) * 2007-12-24 2008-10-08 上海神开石油化工装备股份有限公司 Colour spectrum apparatus
CN101762661A (en) * 2010-01-28 2010-06-30 靳斌 Chromatographic column box and gas chromatographer thereof
CN102095824A (en) * 2011-01-30 2011-06-15 上海精密科学仪器有限公司 Heating device on capillary chromatographic column
CN104874202A (en) * 2015-06-09 2015-09-02 常州三泰科技有限公司 Convenient-to-control chromatographic column frame
CN106345141A (en) * 2016-08-25 2017-01-25 中科生物制药股份有限公司 Chromatographic column rack
CN207051253U (en) * 2017-07-10 2018-02-27 中国科学院上海药物研究所 A kind of chromatogram column holder

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0985928A1 (en) * 1998-09-08 2000-03-15 SGT Exploitatie B.V. Assembly for placing a capillary gas chromatography column in a gas chromatograph
CN201130173Y (en) * 2007-12-24 2008-10-08 上海神开石油化工装备股份有限公司 Colour spectrum apparatus
CN101762661A (en) * 2010-01-28 2010-06-30 靳斌 Chromatographic column box and gas chromatographer thereof
CN102095824A (en) * 2011-01-30 2011-06-15 上海精密科学仪器有限公司 Heating device on capillary chromatographic column
CN104874202A (en) * 2015-06-09 2015-09-02 常州三泰科技有限公司 Convenient-to-control chromatographic column frame
CN106345141A (en) * 2016-08-25 2017-01-25 中科生物制药股份有限公司 Chromatographic column rack
CN207051253U (en) * 2017-07-10 2018-02-27 中国科学院上海药物研究所 A kind of chromatogram column holder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111239309A (en) * 2020-01-20 2020-06-05 安徽省先锋制药有限公司 High performance liquid chromatography column

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