1. A method for obtaining an accurate, high density capacitor configured on a semiconductor and having a capacitance developed between a first node corresponding to a top plate of the capacitor and a second node corresponding to a bottom plate of the capacitor, the method comprising:
configuring one or more layers of conductive strips to form the capacitor on the semiconductor, said configuring comprising, for each pair of neighboring conductive strips within each of the one or more layers of conductive strips:
coupling a first conductive strip of the pair of neighboring conductive strips to the first node and not to the second node;
coupling a second conductive strip of the pair of neighboring conductive strips to the second node and not to the first node;
configuring a low-impedance conductive layer beneath a bottom layer of the one or more layers of conductive strips, spanning an area underneath conductive strips coupled to the first node and conductive strips coupled to the second node; and
forcing a voltage potential developed at the low-impedance conductive layer to move identically to a voltage potential developed at the first node, to reduce charge transfers from the first node to the low-impedance conductive layer.
2. The method of claim 1, wherein said forcing comprises coupling the first node to a control terminal of a transistor device, and coupling the low-impedance conductive layer to a first channel terminal of the transistor device.
3. The method of claim 2, wherein the transistor device is an NMOS device.
4. The method of claim 2, further comprising coupling a second channel terminal of the transistor device to a supply voltage.
5. The method of claim 2, further comprising coupling the first channel terminal of the transistor device to a current source configured to source a specified current through the transistor device.
6. The method of claim 1, wherein the one or more layers of conductive strips comprise metal layers.
7. The method of claim 1, wherein the low-impedance conductive layer comprises a polysilicon plate.
8. The method of claim 1, wherein the low-impedance conductive layer comprises one of:
a solid planar low-impedance conductive material; and
a plurality of low-impedance conductive strips.
9. The method of claim 1, wherein the low-impedance conductive layer comprises a diffusion layer configured within a substrate of the semiconductor beneath the bottom layer of the one or more layers of conductive strips.
10. The method of claim 9, wherein the diffusion layer comprises one of:
an n-well diffusion layer; and
a p-well diffusion layer.
11. The method of claim 1, wherein said configuring the one or more layers of conductive strips comprises vertically aligning conductive strips coupled to the first node.
12. The method of claim 1, wherein said configuring the one or more layers of conductive strips comprises vertically aligning conductive strips coupled to the second node.
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 composition comprising at least one enzyme, a polyol for stabilizing the enzyme and an acrylamide polymer thickening agent having polymer units of the formula (CH2CR(CONH2), in which R is hydrogen or a methyl group.
2. The composition of claim 1 wherein the (CH2CR(CONH2) polymer in the composition has a concentration of from 0.05 to 15 wt. % with respect to the total weight of the composition.
3. The composition of claim 2 wherein the concentration of the (CH2CR(CONH2) polymer in the composition is from 0.1 to 10 wt. % with respect to the total weight of the composition.
4. The composition of claim 2 wherein the concentration of the (CH2CR(CONH2) polymer in the composition is from 0.2 to 5 wt. % with respect to the total weight of the composition.
5. The composition of claim 2 wherein the concentration of the (CH2CR(CONH2) polymer in the composition is from 0.8 to 2 wt. % with respect to the total weight of the composition.
6. The composition of claim 1 wherein the (CH2CR(CONH2) polymer comprises less than 5 ppm of an acrylamide monomer.
7. The composition of claim 1 wherein the composition has a water activity of below 0.9.
8. The composition of claim 1 wherein the composition has a water activity below 0.85.
9. The composition of claim 1 wherein the (CH2CR(CONH2) polymer has a divalent ion binding capacity of less than 80 mgg of polymer.
10. The composition of claim 1 wherein the (CH2CR(CONH2) polymer has a divalent ion binding capacity of less than 20 mgg of polymer.
11. The composition of claim 1 wherein the (CH2CR(CONH2) polymer has a divalent ion binding capacity of less than 5 mgg of polymer
12. The composition of claim 1 further comprising a reducing agent.
13. The composition of claim 12 wherein the reducing agent is methione, cysteine, or antioxidants having an unsaturated aromatic ring with an amine or a hydroxyl group.
14. The composition of claim 1 wherein the composition comprises at least 0.02 millimoleliter of divalent cations.
15. The composition of claim 14 wherein the divalent cations are Ca2 ions.
16. The composition of claim 1 wherein the composition comprises at least 1 millimoleliter of divalent cations.
17. The composition of claim 1 wherein the polyol is present in a concentration of 20-95 wt % with respect to the total weight of the composition.
18. The composition of claim 1 wherein the polyol is present in a concentration of 30-90 wt. % with respect to the total weight of the composition.
19. The composition of claim 1 wherein the polyol is present in a concentration of 60-80 wt. % with respect to the total weight of the composition.
20. A multi-compartment dispensing system comprising a first compartment comprising a stabilized enzyme composition, and a second compartment comprising an aqueous composition for activating the enzyme, wherein said stabilized enzyme composition comprises at least one enzyme, a polyol for stabilizing the enzyme and an acrylamide polymer thickening agent having polymer units of the formula (CH2CR(CONH2), in which R is hydrogen or a methyl group.