Automatic isothermal titration microcalorimeter apparatus and method of use
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01N-025/20
B01L-003/02
G01N-035/10
G01N-035/00
G01N-001/10
G01N-025/48
B01L-003/00
B01L-009/00
G01K-017/00
G01N-001/14
G01N-035/04
출원번호
US-0021492
(2018-06-28)
등록번호
US-10254239
(2019-04-09)
발명자
/ 주소
Broga, Martin
Price, Phillip
Smith, Stephen
출원인 / 주소
Malvern Panalytical Inc.
대리인 / 주소
Morrison & Foerstser LLP
인용정보
피인용 횟수 :
0인용 특허 :
63
초록▼
Automated isothermal titration micro calorimetry (ITC) system comprising a micro calorimeter with a sample cell and a reference cell, the sample cell is accessible via a sample cell stem and the reference cell is accessible via a reference cell stem. The system further comprises an automatic pipette
Automated isothermal titration micro calorimetry (ITC) system comprising a micro calorimeter with a sample cell and a reference cell, the sample cell is accessible via a sample cell stem and the reference cell is accessible via a reference cell stem. The system further comprises an automatic pipette assembly comprising a syringe with a titration needle arranged to be inserted into the sample cell for supplying titrant, the pipette assembly comprises an activator for driving a plunger in the syringe, a pipette translation unit supporting the pipette assembly and being arranged to place pipette in position for titration, washing and filling operations, a wash station for the titrant needle, and a cell preparation unit arranged to perform operations for replacing the sample liquid in the sample cell when the pipette is placed in another position than the position for titration.
대표청구항▼
1. An automated isothermal titration micro calorimetry (ITC) system, comprising: a controller configured to control automated operation of the ITC system;a microcalorimeter comprising a sample cell and a reference cell, the sample cell being accessible via a sample cell stem and the reference cell b
1. An automated isothermal titration micro calorimetry (ITC) system, comprising: a controller configured to control automated operation of the ITC system;a microcalorimeter comprising a sample cell and a reference cell, the sample cell being accessible via a sample cell stem and the reference cell being accessible via a reference cell stem;a pipette assembly comprising a titration needle configured to be inserted into the sample cell and supply titrant to the sample cell;a rotatable pipette translation unit comprising a rotatable pipette arm configured to support the pipette assembly and place the pipette assembly in a titration position and in a washing position, wherein the rotatable pipette arm is configured to be moved vertically along an axis and the titration needle is vertically moveable in the direction of the axis for insertion into the sample cell; anda rotatable cell preparation unit comprising a rotatable cell arm configured to wash the sample cell and replace sample liquid in the sample cell,wherein the controller is configured to control operation of the ITC system to wash the titration needle of the pipette assembly, wash the sample cell, and fill the sample cell with sample liquid. 2. The ITC system of claim 1, wherein the rotatable cell preparation unit comprises one or more cell cannula that enables dispensing of liquid to at least one of the sample cell and the reference cell and withdrawal of liquid from at least one of the sample cell and reference cell. 3. The ITC system of claim 1, wherein the rotatable pipette translation unit is configured to enable vertical movement of the pipette assembly. 4. The ITC system of claim 1, further comprising a hollow structure configured to enable at least one of withdrawal of liquid from the sample cell, introduction of wash liquid into the sample cell, and introduction of sample liquid into the sample cell. 5. The ITC system of claim 4, wherein the hollow structure comprises a cell cannula. 6. The ITC system of claim 1, further comprising a syringe and an activator for driving a plunger in a cavity of the syringe to supply fluid to the titration needle. 7. The ITC system of claim 6, further comprising a titrant transfer unit configured to supply titrant to the syringe. 8. The ITC system of claim 6, further comprising a hollow structure configured to enable at least one of introduction of fluid into the syringe and introduction of titrant into the syringe. 9. The ITC system of claim 8, wherein the hollow structure comprises a fill port. 10. The ITC system of claim 9, wherein the fluid is a gas that is introduced through the fill port to dry the syringe or needle. 11. The ITC system of claim 6, further comprising a syringe fluidics system configured to enable at least one of pulling and pushing fluid through the syringe, a syringe fill port, and a fill port connection unit configured to enable fluidic contact between the syringe cavity and the syringe fluidics system. 12. The ITC system of claim 1, wherein the controller is configured to enable performance of multiple unattended titration experiments in series. 13. The ITC system of claim 1, wherein the rotatable cell preparation unit is configured to wash and replace reference liquid in the reference cell. 14. An isothermal titration micro calorimetry (ITC) system, comprising: a microcalorimeter comprising a sample cell and a reference cell;a pipette assembly comprising a titration needle configured to be inserted into the sample cell and supply titrant to the sample cell;a rotation pipette translation unit configured to place the pipette assembly in a titration position and in a washing position, wherein the rotatable pipette translation unit comprises a rotatable pipette arm that is configured to be moved vertically along an axis and the titration needle is vertically moveable in the direction of the axis for insertion into the sample cell; anda rotatable cell preparation unit configured to wash the sample cell when the pipette assembly is placed in another position than the position for titration. 15. The ITC system of claim 14, wherein the rotatable cell preparation unit is configured to replace sample liquid in the sample cell. 16. The ITC system of claim 14, further comprising a controller configured to control automated operation of the ITC system. 17. The ITC system of claim 16, wherein the controller is configured to enable performance of multiple unattended titration experiments in series. 18. The ITC system of claim 16, wherein the controller is configured to control operation of the ITC system to wash the titration needle of the pipette assembly and wash the sample cell. 19. The ITC system of claim 14, further comprising a syringe fluidics system configured to supply a cleaning agent to a wash station. 20. The ITC system of claim 14, wherein the rotatable cell preparation unit comprises a rotatable supported arm and one or more cell cannula that enable dispensing of liquid to at least one of the sample cell and the reference cell and withdrawal of liquid from at least one of the sample cell and reference cell. 21. The ITC system of claim 14, wherein rotatable pipette translation unit comprises a rotatable supported arm configured to support the pipette assembly and enable vertical movement of the pipette assembly. 22. The ITC system of claim 14, further comprising a hollow structure configured to enable at least one of withdrawal of liquid from the sample cell, introduction of wash liquid into the sample cell, and introduction of sample liquid into the sample cell. 23. The ITC system of claim 22, wherein the hollow structure comprises a cell cannula. 24. The ITC system of claim 14, further comprising a syringe and an activator for driving a plunger in a cavity of the syringe to supply fluid to the titration needle. 25. The ITC system of claim 24, further comprising a titrant transfer unit configured to supply titrant to the syringe. 26. The ITC system of claim 24, further comprising a hollow structure configured to enable at least one of introduction of fluid into the syringe and introduction of titrant into the syringe. 27. The ITC system of claim 26, wherein the hollow structure comprises a fill port. 28. The ITC system of claim 26, wherein the fluid is a gas that is introduced through the fill port to dry the syringe or needle. 29. The ITC system of claim 24, further comprising a syringe fluidics system configured to enable at least one of pulling and pushing fluid through the syringe, a syringe fill port, and a fill port connection unit configured to enable fluidic contact between the syringe cavity and the syringe fluidics system. 30. The ITC system of claim 14, wherein the rotatable cell preparation unit is configured to wash and replace reference liquid in the reference cell.
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