Reaction calorimeter and differential scanning calorimeter for the high-throughput synthesis, screening and characterization of combinatorial libraries
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01N-025/20
G01N-031/10
출원번호
US-0708687
(2000-11-09)
발명자
/ 주소
Tagge,Christopher D.
Wilson, Jr.,Robert B.
Oh,Seajin
Hirschon,Albert S.
출원인 / 주소
SRI International
대리인 / 주소
Nixon Peabody, LLP
인용정보
피인용 횟수 :
14인용 특허 :
85
초록▼
Workstation, apparatuses and methods for the high-throughput synthesis, screening and/or characterization of combinatorial libraries. The invention relates to an array, which permits various high-throughput methods for synthesis, screening and/or characterization in the same array, without requiring
Workstation, apparatuses and methods for the high-throughput synthesis, screening and/or characterization of combinatorial libraries. The invention relates to an array, which permits various high-throughput methods for synthesis, screening and/or characterization in the same array, without requiring sample transfer from the array. In a preferred embodiment, the synthesis, screening, and/or characterization steps are carried out in a highly parallel fashion, where more than one compound is synthesized, screened, and/or characterized at the same time. The invention may be practiced at the microscale. The array may comprise thermal channels, for regulating the temperature of the wells in the array. The wells of the array may comprise a membrane, which is used in various screening and characterization methods. The invention also relates to a covered array, comprising the array and an array cover, as well as an apparatus comprising the array, which comprises the array, an array cover and a stage. The array, array cover, and the stage may be modified as required for a variety of synthesis and/or analysis techniques. The array is easily interchangeable between different analytical instruments, and in an embodiment, the invention relates to an automated workstation, where the array is transferred between different synthesis, screening, and characterization stations. The invention also relates to a variety of methods for synthesis, screening, and characterization, which are adapted for combinatorial chemistry. Any of the embodiments of the invention may be used either alone or taken in various combinations.
대표청구항▼
The claimed invention is: 1. A parallel reaction calorimeter system comprising a. an the array, wherein the array comprises: i. a substrate having a plurality of wells wherein at least one well further comprises a membrane forming the bottom of the well; and ii. at least one thermal channel within
The claimed invention is: 1. A parallel reaction calorimeter system comprising a. an the array, wherein the array comprises: i. a substrate having a plurality of wells wherein at least one well further comprises a membrane forming the bottom of the well; and ii. at least one thermal channel within the substrate to regulate the temperature in at least one of the wells wherein said thermal channel or thermal channels are proximate to, noncontiguous to, positioned between, and present in the same plane as at least two of said wells; b. a stage, comprising an array of sensors, wherein the array of sensors provide individual temperature control of each well; and c. at least one manifold disposed above at least one well. 2. A parallel reaction calorimeter system of claim 1, wherein the sensors are heat or temperature sensors. 3. A parallel reaction calorimeter system of claim 2, wherein the heat or temperature sensors provide for individual temperature control of each well. 4. A parallel reaction calorimeter system of claim 1, wherein the membrane is flexible, thermally conductive, or gas-permeable. 5. A parallel reaction calorimeter system of claim 1, wherein the array contains a plurality of thermal channels for maintaining different temperatures in different rows within the array. 6. A parallel reaction calorimeter system of claim 1, wherein the manifold is a gas manifold that provides different sets of gas feeds to different regions of the array. 7. A parallel reaction calorimeter system of claim 6, wherein the gas manifold provides different sets of gas pressures to different regions of the array. 8. A parallel reaction calorimeter system of claim 1, wherein the manifold comprises stainless steel. 9. A parallel reaction calorimeter system of claim 1, wherein the system further comprises at least one gold foil gasket around each well, wherein the gold foil gasket, together with the manifold, forms a seal around each well. 10. A process of characterizing compounds, comprising the steps of a. providing an array, wherein the array comprises: i. a substrate having a plurality of wells, wherein at least one well contains at least one compound, and ii. at least one thermal channel within the substrate to regulate the temperature in at least one of the wells, wherein said thermal channel or thermal channels are proximate to, noncontiguous to, positioned between, and present in the same plane as at least two of said wells; and b. placing the array on a parallel reaction calorimeter, wherein the parallel reaction calorimeter comprises: i. a stage comprising an array of sensors, wherein the array of sensors provide individual temperature control of each well; and ii. a manifold disposed above at least one well, and c. characterizing the at least one compound, wherein the characterizing step comprises the steps of: i. maintaining isothermal conditions in at least one well, and ii. monitoring the heat required to maintain isothermal conditions in the at least one well. 11. A differential scanning calorimeter system comprising a. an the array, wherein the array comprises: i. a substrate having a plurality of wells wherein at least one well further comprises a membrane forming the bottom of the well, and ii. at least one thermal channel within the substrate to regulate the temperature in at least one of the wells, wherein said thermal channel or thermal channels are proximate to, noncontiguous to, positioned between, and present in the same plane as at least two of said wells; and b. a stage comprising an array of sensors, wherein the array of sensors provide individual temperature control of each well, wherein the stage further comprises: i. at least one thermocouple attached to at least one well, and ii. at least one thermocouple for measuring the reference temperature of a reference compound, wherein the thermocouple measuring the reference temperature of the reference compound is attached in series to the at least one thermocouple attached to the at least one well. 12. A differential scanning calorimeter system of claim 11, wherein the sensors are heat or temperature sensors. 13. A differential scanning calorimeter system of claim 12, wherein the heat or temperature sensors provide for individual temperature control of each well. 14. A differential scanning calorimeter system of claim 11, wherein the membrane is flexible, thermally conductive, or gas-permeable. 15. A differential scanning calorimeter system of claim 11, wherein the array contains a plurality of thermal channels for providing a set of different temperatures to different rows within the array. 16. A process of characterizing compounds, comprising the steps of a. providing an array, wherein the array comprises a substrate having a plurality of wells, wherein at least one compound is present in at least one well, and wherein at least one well further comprises a membrane forming the bottom of the well; b. placing the array on a differential scanning calorimeter system, wherein the differential scanning calorimeter system comprises: i. a stage, comprising an array of sensors, wherein the array of sensors provide individual temperature control of each well; wherein the stage is a heating stage further comprising at least one thermocouple attached to at least one well and at least one thermocouple measuring the reference temperature of a reference compound, wherein the thermocouple measuring the reference temperature of the reference compound is attached in series to the at least one thermocouple attached to the at least one wells; and ii. a manifold disposed above at least one well; and c. characterizing the at least one compound, wherein the characterizing step comprises the steps of: i. maintaining isothermal conditions in at least one well; ii. monitoring the heat required to maintain isothermal conditions in the at least one well; iii. optionally, removing any materials other than the compound to be characterized; iv. heating the compound and the reference compound at a constant rate; v. maintaining the temperature of the compound equal to the temperature of the reference compound; and vi. measuring the differences in heat fluxes required to keep the temperature of the compound equal to the temperature of the reference compound.
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