1. An isolated, living eukaryotic cell comprising at least one intracellular magnetotactic bacterium capable of being transferred to daughter cells of the eukaryotic cell through at least three cell divisions of the eukaryotic cell, wherein the isolated, living eukaryotic cell is a mammalian cell.
2. The isolated, living eukaryotic cell of claim 1, wherein the mammalian cell is a human cell.
3. The isolated, living eukaryotic cell of claim 2, wherein the human cell is a stem cell.
4. The isolated, living eukaryotic cell of claim 3, wherein the stem cell is selected from the group consisting of an embryonic stem cell, an inducible pluripotent stem cell, a mesenchymal stem cell, and an adult stem cell.
5. The isolated, living eukaryotic cell of claim 4, wherein the stem cell is an inducible pluripotent stem cell.
6. The isolated, living eukaryotic cell of claim 4, wherein the stem cell is a mesenchymal stem cell.
7. The isolated, living eukaryotic cell of claim 2, wherein the human cell is a cancer cell.
8. The isolated, living eukaryotic cell of claim 7, wherein the cancer cell is selected from the group consisting of a leukemia cell and a lymphoma cell.
9. The isolated, living eukaryotic cell of claim 7, wherein the cancer cell is a solid tumor cell.
10. The isolated, living eukaryotic cell of claim 9, wherein the solid tumor cell is selected from the group consisting of a colon tumor cell, a CNS tumor cell, a renal tumor cell, a melanoma tumor cell, an ovarian tumor cell, a breast tumor cell, and a prostate tumor cell.
11. The isolated, living eukaryotic cell of claim 7, wherein the cancer cell has been given a drug treatment.
12. The isolated, living eukaryotic cell of claim 1, wherein the mammalian cell is a murine cell.
13. The isolated, living eukaryotic cell of claim 12, where in the murine cell is a stem cell.
14. The isolated, living eukaryotic cell of claim 13, wherein the stem cell is selected from the group consisting of an embryonic stem cell, an inducible pluripotent stem cell, a mesenchymal stem cell, and an adult stem cell.
15. The isolated, living eukaryotic cell of claim 14, wherein the stem cell is an inducible pluripotent stem cell.
16. The isolated, living eukaryotic cell of claim 14, wherein the stem cell is a mesenchymal stem cell.
17. The isolated, living eukaryotic cell of claim 14, wherein the stem cell is an embryonic stem cell.
18. The isolated, living eukaryotic cell of claim 12, wherein the murine cell is a cancer cell.
19. The isolated, living eukaryotic cell of claim 18, wherein the cancer cell is selected from the group consisting of a leukemia cell and a lymphoma cell.
20. The isolated, living eukaryotic cell of claim 18, wherein the cancer cell is a solid tumor cell.
21. The isolated, living eukaryotic cell of claim 20, wherein the solid tumor cell is selected from the group consisting of a colon tumor cell, a CNS tumor cell, a renal tumor cell, a melanoma tumor cell, an ovarian tumor cell, a breast tumor cell, and a prostate tumor cell.
22. The isolated, living eukaryotic cell of claim 18, wherein the cancer cell has been given a drug treatment.
The claims below are in addition to those above.
All refrences to claims which appear below refer to the numbering after this setence.
1. Power supply unit comprising a switched-mode power supply having
a transformer with a primary winding and a number of secondary windings,
a switching transistor coupled to the primary winding and
a control circuit by means of which an output voltage from a first secondary winding is stabilized on the flyback converter principle,
a second secondary winding being connected in a forward mode, which is followed by a switching regulator wherein switching regulator is a step-down converter,
that the second secondary winding produces a rectified output voltage via a rectifier means, preferably a diode, the value of which output voltage during normal operation is in a range from 30 to 50 volts, and that the step-down converter produces a stabilized output voltage of less than or equal to 16 V, in order to bridge mains voltage dips.
2. Power supply unit according to claim 1, wherein the turns ratio of the second secondary winding with respect to the primary winding is chosen such that the output voltage from the second secondary winding produces a rectified voltage in a range from 30 to 50 volts.
3. Power supply unit according to claim 1, wherein the output voltage which is produced by the switched-mode regulator is used to operate a low-noise converter.
4. Power supply unit according to claim 3, wherein the switching regulator has a control circuit for producing different output voltages for operation of the low-noise converter.