Ultra-fast nucleic acid sequencing device and a method for making and using the same
First Claim
1. A field effect transistor type detector, comprising:
- a silicon substrate including a device, the device comprising;
a source region;
a drain region; and
at least one detecting region between the source and drain regions, the at least one detecting region having a recess or an opening; and
an insulator disposed about the recess or opening separating a polymer from the device when the polymer passes through the recess or opening;
wherein a charge on a component of the polymer passing through the recess or opening induces an image charge sufficient to increase the conductivity of the detecting region by an amount related to the charge of the component of the polymer, the device to detect the component of the polymer based on the conductivity of the detecting region.
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Accused Products
Abstract
A system and method employing at least one semiconductor device, or an arrangement of insulating and metal layers, having at least one detecting region which can include, for example, a recess or opening therein, for detecting a charge representative of a component of a polymer, such as a nucleic acid strand proximate to the detecting region, and a method for manufacturing such a semiconductor device. The system and method can thus be used for sequencing individual nucleotides or bases of ribonucleic acid (RNA) or deoxyribonucleic acid (DNA). The semiconductor device includes at least two doped regions, such as two n-typed regions implanted in a p-typed semiconductor layer or two p-typed regions implanted in an n-typed semiconductor layer. The detecting region permits a current to pass between the two doped regions in response to the presence of the component of the polymer, such as a base of a DNA or RNA strand. The current has characteristics representative of the component of the polymer, such as characteristics representative of the detected base of the DNA or RNA strand.
81 Citations
21 Claims
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1. A field effect transistor type detector, comprising:
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a silicon substrate including a device, the device comprising; a source region; a drain region; and at least one detecting region between the source and drain regions, the at least one detecting region having a recess or an opening; and an insulator disposed about the recess or opening separating a polymer from the device when the polymer passes through the recess or opening; wherein a charge on a component of the polymer passing through the recess or opening induces an image charge sufficient to increase the conductivity of the detecting region by an amount related to the charge of the component of the polymer, the device to detect the component of the polymer based on the conductivity of the detecting region. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An array comprising:
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multiple detecting devices, each of the detecting devices comprising a; a source region; a drain region; and at least one detecting region between the source and drain regions, the at least one detecting region having a recess or opening; each of the detecting devices associated with an insulator disposed about the recess or opening and separating a polymer from each of the detecting devices when the polymer is in the recess or opening; wherein a charge on a component of the polymer passing through the recess or opening induces an image charge sufficient to increase the conductivity of the at least one detecting region by an amount related to the charge of the component of the polymer, each of the detecting devices to detect the component of the polymer based on the conductivity of the detecting region. - View Dependent Claims (12, 13, 14)
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15. A method for detecting at least one polymer comprising:
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providing at least one detector comprising; a silicon substrate including a device, the device comprising; a source region; a drain region; and at least one detecting region between the source and drain regions, the at least one detecting region having a recess or an opening; and an insulator disposed about the recess or opening separating a polymer from the device when the polymer passes through the recess or opening; wherein a charge on a component of the polymer passing through the recess or opening induces an image charge sufficient to increase the conductivity of the detecting region by an amount related to the charge of the component of the polymer; and detecting with the at least one detector the charge of the component of the polymer based on the conductivity of the at least one detecting region. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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Specification