CN107588997A - A kind of high throughput protein sample pretreatment equipment - Google Patents

A kind of high throughput protein sample pretreatment equipment Download PDF

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Publication number
CN107588997A
CN107588997A CN201610537191.4A CN201610537191A CN107588997A CN 107588997 A CN107588997 A CN 107588997A CN 201610537191 A CN201610537191 A CN 201610537191A CN 107588997 A CN107588997 A CN 107588997A
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CN
China
Prior art keywords
temperature
reductor
denatured
solvent
pump
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Pending
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CN201610537191.4A
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Chinese (zh)
Inventor
张丽华
戴忠鹏
袁辉明
杨开广
张玉奎
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Dalian Institute of Chemical Physics of CAS
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Dalian Institute of Chemical Physics of CAS
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Priority to CN201610537191.4A priority Critical patent/CN107588997A/en
Publication of CN107588997A publication Critical patent/CN107588997A/en
Pending legal-status Critical Current

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  • Apparatus Associated With Microorganisms And Enzymes (AREA)

Abstract

The present invention relates to a kind of high throughput protein sample pretreatment equipment, is a kind of collection protein denaturation and reduction, desalination and system digested online online, including:Protein processing module, power module, heating control module, pump and pump control module.It is characteristic of the invention that optimized design has been done between each operation module of whole equipment, modules are integrated into an operation device with optimal mode.Heating and control module have been designed and produced according to the requirement of flow and temperature;Small volume is selected according under the premise of meeting the resistance of device and exchanging flow quantity requirement, in light weight, the piezoelectric pump of power consumptive province;Temperature sensor is placed in optimal temperature measuring point;Whole device is simple in construction, esy to use, safe and reliable, there is preferable practicality.

Description

A kind of high throughput protein sample pretreatment equipment
Technical field
The present invention relates to a kind of high throughput protein sample pretreatment equipment, pass through power module, heating control module, pump And the control of pump control module module, complete protein example pretreatment.
Background technology
Traditional protein group sample pretreatment includes the steps such as denaturation, reduction, alkylation, desalination and enzymolysis, generally It is offline to carry out by hand, time length is not only spent, and there is sample pollution, lose, have a strong impact on scale The result of protein analysis.Therefore develop online sample pretreating method and device has very important significance, and at present The equipmentization of relevant apparatus not yet has been reported that.
It is pre- that we have developed a kind of protein sample for possessing online albuminous degeneration, reduction, desalination and online enzymolysis function Processing equipment.The equipment can realize high flux, the protein example pretreatment of low loss, have in proteomics research Good application prospect.
The content of the invention
To integrate protein denaturation, reduction, desalination and the online sample that digests pre- it is an object of the present invention to provide a kind of Processing unit, the realization of the function need to control it is corresponding exchange liquid conveying, control is high-temperature denatured and reduction and certain temperature Enzyme reaction, therefore the present invention adopts the following technical scheme that.
A kind of high throughput protein sample pretreatment equipment, including:Protein pretreatment module, power module, heating control Molding block, pump and pump control module.
Position is increased successively in a device for high-temperature denatured and reductor, solvent displacer and enzyme reactor;It is high-temperature denatured And reductor, solvent displacer have inclination angle with horizontal plane;High-temperature denatured and reductor, solvent displacer both sides are entered using lower end Liquid mouth, upper end liquid outlet, for ensureing that exchanging liquid is full of inside cavity, make exchange abundant;It is convenient to change, it is high-temperature denatured and Reductor, exchange liquid pipe with their all of the above disengaging between solvent displacer and enzyme reactor and all connected with screw socket activity Connect.
Supported outside high-temperature denatured and reductor, solvent displacer and enzyme reactor with nylon material machining block, Play heat insulation effect simultaneously.
High-temperature denatured and reductor, temperature sensor and heat lead on solvent displacer and enzyme reactor by USB interface is drawn to be connected respectively at temperature controller and heating power supply.
The voltage and power of high-temperature denatured and reductor and enzyme reactor power supply exchange liquid according to high-temperature denatured and reductor It is required that the temperature reached and the flow for exchanging liquid, and the reaction temperature of enzyme reactor require conversion and obtained, while ensureing temperature On the premise of degree requires, respectively with 36 and 24 volts of safe voltage, make the operation power utilization environment of instrument safe.
High-temperature denatured and reductor temperature sensing probe, which is directly inserted in, to be exchanged in liquid, the TEMP of enzyme reactor power supply Probe is placed on close to temperature measuring point position, makes measurement temperature closer to actual temperature.
Pump and its control system are high-temperature denatured and reductor, and the conveying of solvent displacer exchanges liquid and controls flow, according to The system is actually needed, and using piezoelectric micropump, small volume is in light weight, and the parameters of pump are adjusted by the control panel of pump Claimed condition in being worked to device, parameter is locked, do not have to adjust again in work later, convenient use.
The flow of pump is the ml/min of 1 ml/min -5
The invention has the advantages that:
1, whole instrument modules are optimized, and intermodule reaches best match.
2, small volume is in light weight, power consumptive province, securely and reliably.
3, operation and part replacement are convenient, simply.
It is characteristic of the invention that optimized design has been done between each operation module of whole equipment, with optimal mode Modules are integrated into an operation device.Heating and control module have been designed and produced according to the requirement of flow and temperature; Small volume is selected according under the premise of meeting the resistance of device and exchanging flow quantity requirement, in light weight, the piezoelectric pump of power consumptive province; Temperature sensor is placed in optimal temperature measuring point;Whole device is simple in construction, esy to use, safe and reliable, there is preferable practicality Property.
Brief description of the drawings
Fig. 1:High throughput protein sample pretreatment apparatus figure;
Fig. 2:Sample pretreatment apparatus handles the mass spectrogram of transferrins, a:Active transferrins;b:After denaturation and reduction Transferrins;c:Transferrins after desalination;d:Transferrins enzymolysis product;e:Protein in transferrins enzymolysis product Residue detection.
Embodiment
Embodiment 1
Sample pretreatment equipment as shown in figure 1, the equipment by high-temperature denatured and reductor, solvent displacer and enzyme reaction Device forms.In high-temperature denatured and reductor 06, solvent displacer 07, exchanging liquid and enter from inner chamber body one end, the other end comes out, Liquid inlet and outlet is respectively provided at lower end and upper end.The hollow-fibre membrane of protein transport vehicle, passed through from inner chamber body intermediate lateral, The material flow of the material outflow end of hollow-fibre membrane on high-temperature denatured and reductor and the hollow-fibre membrane on solvent displacer Enter end to be connected, the material outlet of the hollow-fibre membrane on solvent displacer is connected with enzyme reactor 08 again;It is high-temperature denatured and also The heating of prototype 06, solvent displacer 07 and enzyme reactor 08 is supplied by power supply 05, is controlled and is provided by heating controller 03, is exchanged Liquid is supplied by infusion pump 01, the power supply of pump by pumping source 04, flow control is provided by pump discharge controller 02.
The continuity of whole sample pretreatment process is investigated using 0.1mg/mL transferrins as sample (as shown in Figure 2 a).It is first First transferrins is pushed into high-temperature denatured and reductor with 2 μ L/min, wherein temperature is 90 DEG C, and denaturation and reducing agent are 6M salt Sour guanidine and 50mM dithiothreitol (DTT) (as shown in Figure 2 b);Protein example after denaturation is passed through solvent displacer, exchanges liquid and is 50mM ammonium hydrogen carbonate (pH 8.0), under forced convertion active force, the denaturant and reducing agent of high concentration are able to remove (such as Fig. 2 c It is shown);Final protein quality sample fixes enzyme reactor (0.25mm i.d × 50mm) by hybrid inorganic-organic matrix, in room Temperature is lower to realize online enzymolysis, and peptide fragment caused by enzymolysis is detected (as schemed by substance assistant laser desorpted flight time mass spectrum Shown in 2d), as can be seen from the figure myoglobins is fully converted into peptide fragment (as shown in Figure 2 e), illustrates the instrument in a large amount of albumen There is good application value in terms of quality sample pretreatment.

Claims (6)

1. a kind of high throughput protein sample pretreatment equipment, including:Protein pretreatment module, power module, computer heating control Module, pump and pump control module;
It is characterized in that:
In the protein processing module, the high-temperature denatured and reductor (06), solvent displacer (07) and the enzyme that are sequentially connected in series The outermost layer of reactor (08) is high temperature resistant quartz ampoule;High-temperature denatured and reductor (06), enzyme reactor (08) inner chamber are provided with electricity Inner sleeve is heated, solvent displacer (07) inner chamber is provided with inner sleeve;In high-temperature denatured and reductor (06), solvent displacer (07) Exchange liquid enter from inner sleeve one end, the other end comes out;Set among high-temperature denatured and reductor (06), solvent displacer (07) Have hollow-fibre membrane from inner sleeve among pass through;High-temperature denatured and reductor (06), solvent displacer (07) both ends are set respectively There is the liquid inlet and outlet for exchanging liquid;
The power module is high-temperature denatured and reductor and enzyme reactor power supply (05), respectively pumping source (04), 12V, 48V AC-AC transformer and 5V AC-DC vertoroes, by the 220V alternating currents of input be converted to required for voltage and Current value, the power supply of heating control module and infusion pump modules is used as by connection;
The heating control module is high-temperature denatured and reductor (06) and the heating controller (03) of enzyme reactor, is Transmit, G1 temperature controller by connection by PT100 temperature inductors are respectively high-temperature denatured and reductor And the offer temperature display of enzyme reactor (08) and control (06);
The infusion pump modules, it is Japanese STOL SDMP306 piezoelectric pumps, respectively high-temperature denatured and reductor (06), solvent are put Parallel operation (07), the disengaging power for exchanging liquid is provided by connection;
The transfusion pump control module, it is Japanese STOL MPD-200A control modules, respectively high-temperature denatured and reductor (06), The exchange liquid delivery pump of solvent displacer (07), provide flow by connection and control.
2. according to the pre-processing device described in claim 1, it is characterised in that:
High-temperature denatured and reductor (06), solvent displacer (07) and enzyme reactor (08) increase position successively in a device (gradually increasing apart from the position of horizontal plane);High-temperature denatured and reductor (06), solvent displacer (07) has with horizontal plane to incline Oblique angle (tilts, in 5 degree of angles) with horizontal plane;High-temperature denatured and reductor (06), solvent displacer (07) both sides use Lower end inlet, upper end liquid outlet, for ensureing that exchanging liquid is full of inside cavity, make exchange abundant;Convenient, the high temperature to change Denaturation and reductor (06), between solvent displacer (07) and enzyme reactor (08) and their all of the above disengaging exchange liquid Pipe is all flexibly connected with screw socket;
High-temperature denatured and reductor (06), solvent displacer (07) and enzyme reactor (08) outer surface are added with nylon material machinery Work block supports, while plays heat insulation effect;
High-temperature denatured and reductor (06), solvent displacer (07) and temperature sensor on enzyme reactor (08) and heating are drawn Line is drawn by USB interface and connected respectively at temperature controller and heating power supply.
3. according to the pre-processing device described in claim 1 or 2, it is characterised in that:
The voltage and power of high-temperature denatured and reductor and enzyme reactor power supply (05) are handed over according to high-temperature denatured and reductor (06) The temperature that liquid requirement reaches and the flow for exchanging liquid are changed, and the reaction temperature of enzyme reactor (08) requires conversion and obtained, simultaneously On the premise of temperature requirement is ensured, respectively with 36 and 24 volts of safe voltage, make the operation power utilization environment of instrument safe.
4. according to the pre-processing device described in claim 1 or 2, it is characterised in that:
High-temperature denatured and reductor (06) temperature sensing probe, which is directly inserted in, to be exchanged in liquid, the temperature of enzyme reactor power supply (05) Sensing probe is placed on close to temperature measuring point position, makes measurement temperature closer to actual temperature.
5. according to the pre-processing device described in claim 1 or 2, it is characterised in that:
Pump and its control system are high-temperature denatured and reductor (06), solvent displacer (07) conveying exchanges liquid and controls flow, According to being actually needed for the system, using piezoelectric micropump, small volume is in light weight, the control panel that the parameters of pump are passed through into pump Claimed condition in device work is adjusted to, parameter is locked, do not have to adjust again in work later, convenient use;
The flow of pump is the ml/min of 1 ml/min -5.
6. according to the pre-processing device described in claim 1 or 2, it is characterised in that:
High-temperature denatured and reductor, solvent displacer and the enzyme reactor contacted successively,
Described high-temperature denatured and reductor includes cannulated tunica fibrosa, denaturation and reduction reaction cavity;Using hollow-fibre membrane as Protein transport vehicle, hollow-fibre membrane be fixed on denaturation and reduction reaction cavity in, hollow-fibre membrane both ends through denaturation and Reduction reaction cavity side wall is stretched out outside cavity, and material inlet and outlet are provided with denaturation and reduction reaction cavity;
The solvent displacer includes cannulated tunica fibrosa, buffer exchange cavity;Transmitted by protein of hollow-fibre membrane Carrier, hollow-fibre membrane are fixed in buffer exchange cavity, and hollow-fibre membrane both ends pass through buffer exchange cavity side wall Stretch out outside cavity, material inlet and outlet are provided with buffer exchange cavity;
The thing of the material outflow end of hollow-fibre membrane on high-temperature denatured and reductor and the hollow-fibre membrane on solvent displacer Stream enters end and is connected;
The enzyme reactor is made up of quartz ampoule and electrical heating inner sleeve, and electrical heating inner sleeve is placed in quartz ampoule, solvent The material outflow end of hollow-fibre membrane on displacer is connected with the material inlet of inner sleeve, product by inner sleeve material outlet Outflow.
CN201610537191.4A 2016-07-08 2016-07-08 A kind of high throughput protein sample pretreatment equipment Pending CN107588997A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111220429A (en) * 2018-11-23 2020-06-02 中国科学院大连化学物理研究所 Array high-flux protein sample pretreatment device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101244371A (en) * 2008-03-28 2008-08-20 杨志刚 Accurate solution matching device
CN103852527A (en) * 2012-12-05 2014-06-11 中国科学院大连化学物理研究所 High-flux protein sample pre-treatment device
CN104075931A (en) * 2013-03-29 2014-10-01 中国科学院大连化学物理研究所 In-situ rapid preprocessing method for protein samples

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101244371A (en) * 2008-03-28 2008-08-20 杨志刚 Accurate solution matching device
CN103852527A (en) * 2012-12-05 2014-06-11 中国科学院大连化学物理研究所 High-flux protein sample pre-treatment device
CN104075931A (en) * 2013-03-29 2014-10-01 中国科学院大连化学物理研究所 In-situ rapid preprocessing method for protein samples

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
夏思敏等: "利用中空纤维膜接口去除 SDS 的蛋白质组学样品预处理方法", 《第十届全国生物医药色谱及相关技术学术交流会论文集》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111220429A (en) * 2018-11-23 2020-06-02 中国科学院大连化学物理研究所 Array high-flux protein sample pretreatment device

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