- Santa Cruz CA, US Trevor J. Morin - Santa Cruz CA, US
International Classification:
C12Q 1/6825 C12Q 1/6876 G01N 33/487
Abstract:
Disclosed herein are methods and compositions for target polynucleotide identification by using modified nucleotides incorporated into the polynucleotide to facilitate detection via a nanopore device.
Nanopore Detection Of Small Molecules Through Competition Assays
- Santa Cruz CA, US Trevor J. Morin - Santa Cruz CA, US
International Classification:
G01N 33/487 C12Q 1/6869 C12Q 1/6825
Abstract:
Disclosed herein are methods and compositions for detection of target small molecules in a mixed sample by performing a competition assay between the target and a surrogate and subsequently detecting the complex types in a nanopore device.
Nanopore Detection Of Small Molecules Through Competition Assays
- Santa Cruz CA, US Trevor J. MORIN - Santa Cruz CA, US
International Classification:
G01N 33/487 G01N 33/543 G01N 27/26 C12Q 1/68
Abstract:
Disclosed herein are methods and compositions for detection of target small molecules in a mixed sample by performing a competition assay between the target and a surrogate and subsequently detecting the complex types in a nanopore device. Disclosed herein are competition assays for detection of small molecules using a nanopore. Target molecules of a sufficient size (>20 kDa) when passed through a solid-state nanopore cause a change in the current impedance, translocation time, or other measurable parameter. In the event the target molecule is not sufficiently big, and thus does not cause a noticeable change, an additional molecule/reagent can be used to aid in detection. This detection reagent would bind to the small molecule or to the “capture ligand-molecule complex” (e.g. peptide detection is aided by a monoclonal antibody (mAb) that recognizes a peptide/aptamer complex).
Molecule Detection Using Boronic Acid Substituted Probes
- Santa Cruz CA, US Trevor J. Morin - Santa Cruz CA, US
Assignee:
TWO PORE GUYS, INC. - Santa Cruz CA
International Classification:
C07K 14/00 C12Q 1/68
Abstract:
Provided are polymeric scaffold compositions and methods for detecting or quantitating diols such as carbohydrates or carbohydrate containing molecules (e.g., glycosylated protein). Provided herein are capture probes configured to bind to a scaffold. Also provided herein are capture probes linked to one or more reactive organoboronic moiety for binding diol-containing compounds in a solution. Methods of detecting complexes comprising diol-containing compounds for detecting or quantifying the presence of diol-containing compounds in solution using a nanopore device are also provided herein.
Multiplexed Biomarker Quantitation By Nanopore Analysis Of Biomarker-Polymer Complexes
- Santa Cruz CA, US Trevor J. MORIN - Santa Cruz CA, US
International Classification:
G01N 33/487 G01N 27/447
US Classification:
506 9, 506 39, 204451, 204601
Abstract:
Devices and methods for detecting a target molecule are provided herein. The methods entail contacting a sample with a polymer scaffold, the polymer comprising at least one association site configured to associate with the target molecule. The sample is brought into contact with the polymer to determine whether the target molecule is present in the sample under conditions allowing the target molecule, if present, to associate with the polymer scaffold. The methods further involve loading the polymer into a device comprising a pore or channel that connects two volumes, configuring the device to pass the polymer through the pore or channel from one volume to the other volume, and determining, with a sensor configured to detect objects passing through the pore or channel, whether the target molecule is associated with the association site, and thereby detecting the presence or absence of the target molecule in the sample.
Provided are methods for detecting a target molecule or particle suspected to be present in a sample, comprising (a) contacting the sample with (i) a fusion molecule comprising a ligand capable of binding to the target molecule or particle and a binding domain, and (ii) a polymer scaffold comprising at least one binding motif to which the binding domain is capable of binding, under conditions that allow the target molecule or particle to bind to the ligand and the binding domain to bind to the binding motif; (b) loading the polymer into a device comprising a pore that separates an interior space of the device into two volumes, and configuring the device to pass the polymer through the pore from one volume to the other volume, wherein the device further comprises a sensor adjacent to the pore configured to identify objects passing through the pore; and (c) determining, with the sensor, whether the fusion molecule or particle bound to the binding motif is bound to the target molecule or particle, thereby detecting the presence of the target molecule or particle in the sample.
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