Claims
- 1. A capillary array assembly usable in an electrophoretic instrument in such a manner or that the capillary array assembly is capable of being inserted into wells so that electrophoretic lanes for samples in the wells are formed, comprising:
a plurality of capillaries to be inserted into the wells respectively so that the capillaries contact the samples; a plurality of electrodes capable of contacting the samples when the capillaries contact the samples; a common electrode portion electrically connected to the electrodes and adapted to contact an electrode member of the electrophoretic instrument to be electrically connected through the electrode member to an power source of the electrophoretic instrument for electrically energizing the electrodes, and a capillary array holder holding the capillaries, the electrodes and the common electrode portion, wherein the common electrode portion is electrically connected to the electrode member by fixing the capillary array holder to a surface of the electrophoretic instrument.
- 2. A capillary array assembly according to claim 1, wherein the electrode member is capable of being urged elastically to contact the common electrode portion in such a manner that an electrical contact resistance therebetween is lowered.
- 3. A capillary array assembly according to claim 1, wherein a part of the common electrode portion at which part the common electrode portion is capable of contacting the electrode member extends parallel to longitudinal axes of parts of the capillaries surrounded by the capillary array holder.
- 4. A capillary array assembly according to claim 3, wherein the electrode member is capable of being urged elastically in a direction perpendicular to the longitudinal axes so that the electrode member contacts the common electrode portion.
- 5. A capillary array assembly according to claim 1, wherein a part of the common electrode portion at which part the common electrode portion is capable of contacting the electrode member extends parallel to an imaginary plain along which longitudinal axes of pasts of the capillaries surrounded by the capillary array holder extend.
- 6. A capillary array assembly according to claim 5, wherein the electrode member is capable of being urged elastically in a direction perpendicular to the imaginary plain so that the electrode member contacts the common electrode portion.
- 7. A capillary array assembly according to claim 1, wherein longitudinal axes of parts of the capillaries surrounded by the capillary array holder extend parallel to each other.
- 8. A capillary array assembly according to claim 1, wherein the electrodes have cylindrical shapes whose inner circumferences receive therein the capillaries respectively.
- 9. A capillary array assembly according to claim 1, wherein the electrodes are attached to the capillaries respectively by vapor-deposition.
- 10. A capillary array assembly according to claim 1, wherein the electrodes have metal-wire shapes extending parallel to the capillaries in the vicinity of the capillaries respectively.
- 11. A capillary electrophoretic instrument in which an capillary array assembly is capable of being inserted into wells so that electrophoretic lanes for samples in the wells are formed, and the capillary array assembly includes a plurality of capillaries to be inserted into the wells respectively so that the capillaries contact the samples, a plurality of electrodes capable of contacting the samples when the capillaries contact the samples, a common electrode portion electrically connected to the electrodes and adapted to contact an electrode member of the electrophoretic instrument, and a capillary array holder holding the capillaries, the electrodes and the common electrode portion, comprising:
a power source for electrically energizing the electrodes through the electrode member and the common electrode portion, and a light analyzer for exciting the samples, and detecting lights emitted from the samples by the excitation, wherein the common electrode portion is electrically connected to the electrode member by fixing the capillary array holder to a surface of the electrophoretic instrument.
- 12. A capillary electrophoretic instrument according to claim 11, wherein the electrode member is capable of being urged elastically to contact the common electrode portion in such a manner that an electrical contact resistance therebetween is lowered.
- 13. A capillary electrophoretic instrument according to claim 11, wherein a part of the common electrode portion at which part the common electrode portion is capable of contacting the electrode member extends parallel to longitudinal axes of parts of the capillaries surrounded by the capillary array holder.
- 14. A capillary electrophoretic instrument elastically in a direction perpendicular to the longitudinal axes so that the electrode member contacts the common electrode portion.
- 15. A capillary electrophoretic instrument according to claim 11, wherein a part of the common electrode portion at which part the common electrode portion is capable of contacting the electrode member extends parallel to an imaginary plain along which longitudinal axes of parts of the capillaries surrounded by the capillary array holder extend.
- 16. A capillary electrophoretic instrument according to claim 15, wherein the electrode member is capable of being urged elastically in a direction perpendicular to the imaginary plain so that the electrode member contacts the common electrode portion.
- 17. A capillary electrophoratic instrument according to claim 11, wherein longitudinal axes of parts of the capillaries surrounded by the capillary array holder extend parallel to each other.
- 18. A capillary electrophoretic instrument according to claim 11, wherein the electrodes have cylindrical shapes whose inner circumferences receive therein the capillaries respectively.
- 19. A capillary electrophoretic instrument y according to claim 11, wherein the electrodes are attached to the capillaries respectively by vapor deposition.
- 20. A capillary electrophoretic instrument according to claim 11, wherein the electrodes have metal-wire shapes extending parallel to the capillaries in the vicinity of the capillaries respectively.
Priority Claims (1)
Number |
Date |
Country |
Kind |
11-275710 |
Sep 1999 |
JP |
|
Parent Case Info
[0001] This is a continuation of application No. 09/671,818 filed Sep. 27, 2000, the content of which is incorporated herein by reference in its entirety.
Continuations (1)
|
Number |
Date |
Country |
Parent |
09671818 |
Sep 2000 |
US |
Child |
10413540 |
Apr 2003 |
US |