1.-21. (canceled)
22. A device for handling magnetic microparticles that bind a desired component from a sample, comprising:
(a) magnetic microparticles (22) selected from the group consisting of: ferromagnetic, paramagnetic or superparamagnetic particles, wherein the magnetic particles bind a desired component selected from the group consisting of: a nucleic acid, a protein, a peptide, a cell organelle, a bacterium, a cell, and a virus;
(b) a vessel (26), wherein the vessel is a tube or a well;
(c) a magnetic tool (10), wherein the magnetic tool comprises a protective shield (21) or coating, and a ferromagnetic sleeve (12);
wherein the device performs at least two treatment steps in the vessel comprising: (i) at least one change of solutions (23) and (ii) at least one mixing of the microparticles;
wherein the microparticles are not moved to another vessel.
23. The device according to claim 22, wherein the device further comprises an external magnet (13) for binding the microparticles (22) to the inner surface of the vessel (26) during at least one change of solutions (23).
24. The device according to claim 23, wherein the external magnet (13) comprises a ferromagnetic sleeve (12).
25. The device according to claim 22, wherein the magnetic tool (10) comprises an elastomer or non-elastomer shield (21) for binding the microparticles (22) on the shield.
26. The device according to claim 22, wherein the magnetic tool (10) further comprises an elastomeric membrane or bellows covering the magnetic tool.
27. The device according to claim 22, wherein the vessel (26) is closed.
28. The device according to claim 27, wherein the device comprises a protective membrane made of elastomeric material to close the vessel (26).
29. A device according to claim 22, comprising a filter (77) at the bottom of the vessel (26).
30. A device according to claim 29, wherein the bottom of the vessel (26) further comprises a channel (85) for conducting solution (23) through the filter (77) out from the vessel.
31. A device according to claim 22, wherein the magnetic tool (10) comprises a magnet (13) having a magnetizing axis that is parallel to the longitudinal axis of the ferromagnetic tube (12) and the magnet.
32. A device according to claim 22, wherein the magnetic tool (10) comprises a magnet (13) having a magnetizing axis that is transverse to the longitudinal axis of the ferromagnetic tube (12) and the magnet.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A power-generating apparatus comprising:
a deformation member that is provided with a first piezoelectric device and deformed while switching a deformation direction;
an amount of deformation detection unit that detects an amount of deformation of the deformation member;
a pair of electrodes provided on the first piezoelectric device;
a switch provided between the pair of electrodes; and
a switch control unit that controls the switch to cause short-circuit between the pair of electrodes for a predetermined period when the amount of deformation is equal to or more than a predetermined amount,
wherein the amount of deformation detection unit includes:
a second piezoelectric device provided on the deformation member and used for detection of the amount of deformation; and
a voltage detection unit that detects a voltage generated in the second piezoelectric device.
2. The power-generating apparatus according to claim 1, further comprising an inductor that is provided between the pair of electrodes and series-connected to the switch to form a resonance circuit with a capacitance component of the first piezoelectric device,
wherein the switch control unit is a unit that connects the switch when the deformation direction of the deformation member is switched, and then, disconnects the switch after a time corresponding to a half period of a resonance period of the resonance circuit has elapsed in a period in which the amount of deformation does not reach the predetermined amount.
3. The power-generating apparatus according to claim 2, wherein the second piezoelectric device is provided in a position opposed to the first piezoelectric device with the deformation member in between.
4. The power-generating apparatus according to claim 1, wherein pluralities of the first piezoelectric devices and the second piezoelectric devices are provided.
5. An electronic device comprising the power-generating apparatus according to claim 1.
6. An electronic device comprising the power-generating apparatus according to claim 2.
7. An electronic device comprising the power-generating apparatus according to claim 3.
8. An electronic device comprising the power-generating apparatus according to claim 4.
9. A transportation device comprising the power-generating apparatus according to claim 1.
10. A transportation device comprising the power-generating apparatus according to claim 2.
11. A transportation device comprising the power-generating apparatus according to claim 3.
12. A transportation device comprising the power-generating apparatus according to claim 4.