Methods and Devices For Detection and Identification of Encoded Beads and Biological Molecules
First Claim
Patent Images
10. A detection system comprising:
- a) a first bead comprising a first luminescent label and a second luminescent label;
b) a second bead comprising a third luminescent label and a fourth luminescent label;
c) a first transparent channel capable of accepting said first bead and a second transparent channel capable of accepting said second bead; and
d) an instrument for detecting electromagnetic radiation from luminescent labels.
2 Assignments
0 Petitions
Accused Products
Abstract
The invention relates to methods and devices used in the sequencing, separation, detection, and identification of objects and biological molecules. In preferred embodiments, the invention relates to a DNA sequencing system based on cyclic sequencing by synthesis which is performed on beads in three-dimensional vessels and detected using monolithic multicapillary arrays. In other embodiments, the invention relates to a bead comprising two or more luminescent labels coupled to a nucleic acid sequence. In further embodiments, said luminescent labels are quantum dots.
-
Citations
33 Claims
-
10. A detection system comprising:
-
a) a first bead comprising a first luminescent label and a second luminescent label; b) a second bead comprising a third luminescent label and a fourth luminescent label; c) a first transparent channel capable of accepting said first bead and a second transparent channel capable of accepting said second bead; and d) an instrument for detecting electromagnetic radiation from luminescent labels. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
-
-
18. A method of generating luminescent encoded beads comprising:
-
a) providing; i) a plurality of first luminescent particles, ii) a plurality of second luminescent particles, and iii) a plurality of porous structures; iv) a first plurality of wells wherein said first luminescent particles are in said wells and have different concentrations in at least two of the wells; v) a second plurality of wells wherein said second luminescent particles are in said wells and have different concentrations in at least two of the wells; b) distributing a portion of said plurality of porous structures to said first plurality of wells under conditions such that said first luminescent particles are absorbed by said porous structures; c) extracting said plurality of porous structures with said first luminescent particles from said first plurality of wells; d) mixing said extracted plurality of porous structures with said first luminescent particles together to form a plurality of porous structures wherein at least two of said porous structures have different concentrations of said first luminescent particles; e) distributing said plurality of porous structures wherein at least two of said porous structures have different concentrations of said first luminescent particles to said second plurality of wells under conditions such that said second luminescent particles are absorbed by said porous structures; f) extracting said plurality of porous structures with said first luminescent particles and said second luminescent particles from said second plurality of wells g) mixing said plurality of porous structures with said first luminescent particles and said second luminescent particles that are extracted from said second plurality of wells together to form a plurality of porous structures wherein at least two of said porous structures have different concentrations of said first luminescent particles and have different concentrations of said second luminescent particles. - View Dependent Claims (19, 20, 21, 22, 23, 24)
-
-
25. A method of determining the authenticity of an object comprising
a) providing i) an object comprising plurality luminescent encoded beads, wherein said encoded beads comprise two or more luminescent markers configured to provide a luminescent signature, ii) electromagnetic radiation, and iii) an instrument for detecting electromagnetic radiation; -
b) placing said object in said electromagnetic radiation under conditions such that said quantum dots luminesce, and c) detecting said luminescent signature with said instrument; and d) correlating the luminescent signature with the authenticity of said object. - View Dependent Claims (26, 27, 28)
-
-
29. A method of determining a DNA sequence comprising:
-
a) providing, i) a plurality of linked beads wherein said beads comprise A) luminescent electromagnetic codes, B) a plurality of identical single stranded nucleic acid molecules wherein said plurality of nucleic acids molecules are configured such that an individual bead having an individual code carries nucleic acids molecules with a unique sequence; ii) a plurality of wells at least four of said wells contain solutions with four different fluorescently labeled nucleotides; b) detecting said luminescent electromagnetic codes on said plurality of beads and recording said codes; c) placing said linked beads into one of said wells containing one of said free nucleotides and incubating said beads under conditions such that said free nucleotides are attached to said nucleic acids molecules to form a complementary strand; d) detecting said linked beads and determining said codes of said beads for which the incorporation of said free nucleotides occurs; e) recording in a computer file said codes of said beads for which the incorporation of said free nucleotides occurs; f) removing fluorescence label from said incorporated free nucleotides; g) repeatedly repeating steps c), d), e), and f) for all said free nucleotides; h) analyzing said recorded data on said incorporated nucleotides for each individual bead and determining sequence of said nucleic acid molecules linked to said individual bead.
-
-
30. A method of moving a bead through a channel comprising:
-
a) providing; i) bead comprising a first luminescent label and a second luminescent label, ii) a channel, iii) a solution inside said channel wherein said beads are inside said solution, iv) pair of electrodes; and b) applying a potential between said pair of electrodes under conditions such that said bead moves in said channel toward one electrode of said electrode pair.
-
-
31. The method of claim 31, wherein said bead is a polystyrene bead.
-
32-1. The method of claim 32, wherein said bead is charged.
Specification