Tri-color dual glucose and oxygen sensors and methods of preparing and using them
AssigneeArizona Board of Regents, A Body Corporate of the State of Arizona Acting for and On Behalf of Arizona State University
InventorsYanqing Tian, Liqiang Zhang, Fengyu Su, Deirdre Meldrum, Sean Buizer
Life of this patent
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Abstract
The present disclosure relates to an optical fluorescence sensor comprising a probe for sensing glucose, an intra-reference probe, and a matrix. The present disclosure also relates to an optical fluorescence dual sensor comprising a probe for sensing glucose, a probe for sensing oxygen, an intra-reference probe, and a matrix. The present disclosure additionally relates to methods of preparing these sensors and methods of using them.
Claims25
An optical fluorescence sensor comprising:
- (a) a probe for sensing glucose having formula I:
- wherein R1 and R2 can be the same or different and are CnH2n+1, where n is an integer selected from the group consisting of 0, 1, 2, 3, 4, 5, 6, 7 and 8;
- R3 is selected from the group consisting of (CH2)nC(O)OH, O(CH2)nC(O)OH, NH(CH2)nC(O)OH, (CH2)nC(O)OR4, O(CH2)nC(O)OR4, NH(CH2)nC(O)OR4, (CH2)nC(O)NH(CH2)nNH-A, O(CH2)nC(O)NH(CH2)nNH-A, NH(CH2)nC(O)NH(CH2)nNH-A, (CH2)nC(O)O(CH2)nNH-A, O(CH2)nC(O)O(CH2)nNH-A, NH(CH2)nC(O)O(CH2)nNH-A, (CH2)nC(O)NH(CH2)nNH-M′A, O(CH2)nC(O)NH(CH2)nNH-M′A, NH(CH2)nC(O)NH(CH2)nNH-M′A. (CH2)nC(O)O(CH2)nNH-M′A, O(CH2)nC(O)O(CH2)nNH-M′A, NH(CH2)nC(O)O(CH2)nNH-M′A, (CH2)nC(O)NH(CH2)nNH-VA, O(CH2)nC(O)NH(CH2)nNH-VA, NH(CH2)nC(O)NH(CH2)nNH-VA, (CH2)nC(O)O(CH2)nNH-VA, (CH2)nC(O)O(CH2)nNH-VA, NH(CH2)nC(O)O(CH2)nNH-VA;
- n is an integer selected from the group of consisting of 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 and 12;
- R4 is an activating group;
- M′A is
- A is
- and
- VA is
- (b) an intra-reference probe having formula III:
- wherein R15, R16, R17, and R18 can be the same or different and are CnH2n+1, where n is an integer selected from the group consisting of 1, 2, 3, 4. 5, 6, 7 and 8;
- X is an anion;
- and
- Z is selected from the group consisting of:
- (CH2)pOH, O(CH2)pOH, NH(CH2)pOH, (CH2)pOM′A, O(CH2)pOM′A, NH(CH2)pOM′A, (CH2)pOA, O(CH2)pOA, NH(CH2)pOA, (CH2)pOVA, O(CH2)pOVA, NH(CH2)pVA, (OCH2CH2)qOH, NH(CH2CH2O)qH, (OCH2CH2)qOM′A, NH(CH2CH2O)qM′A, (OCH2CH2)qOA, NH(CH2CH2O)qA, (OCH2CH2)qOVA, NH(CH2CH2O)qVA, CH2(OCH2CH2)rOA, CH2(OCH2CH2)rOM′A, CH2(OCH2CH2)rOVA;
- and
- r is an integer selected from the group of consisting of 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 38, 39, 40, 41, 42, 43, 44, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149 and 150;
- and
- (c) a matrix comprising a polymer selected from the group consisting of acrylamide, N-(6-aminohexyl)methacrylamide, and poly(ethylene glycol) dimethacrylate, methoxy-poly(ethylene glycol) methacrylate, 2-hydroxyethyl methacrylate and combinations thereof;
- wherein the probes are attached to or immobilized in the matrix.
An optical fluorescence dual sensor comprising:
- (a) a probe for sensing glucose having formula I:
- wherein R1 and R2 can be the same or different and are CnH2n+1, where n is an integer selected from the group consisting of 0, 1, 2, 3, 4, 5, 6, 7 and 8;
- R3 is selected from the group consisting of (CH2)mC(O)OH, O(CH2)mC(O)OH, NH(CH2)mC(O)OH, (CH2)mC(O)OR4, O(CH2)mC(O)OR4, NH(CH2)mC(O)OR4, (CH2)mC(O)NH(CH2)mNH-A, O(CH2)mC(O)NH(CH2)mNH-A, NH(CH2)mC(O)NH(CH2)mNH-A, (CH2)mC(O)O(CH2)mNH-A O(CH2)mC(O)O(CH2)mNH-A, NH(CH2)mC(O)O(CH2)mNH-A, (CH2)mC(O)NH(CH2)mNH-M′A, O(CH2)mC(O)NH(CH2)mNH-M′A, NH(CH2)mC(O)NH(CH2)mNH-M′A, (CH2)mC(O)O(CH2)mNH-M′A, O(CH2)mC(O)O(CH2)mNH-M′A, NH(CH2)mC(O)O(CH2)mNH-M′A, (CH2)mC(O)NH(CH2)mNH-VA, O(CH2)mC(O)NH(CH2)mNH-VA, NH(CH2)mC(O)NH(CH2)mNH-VA, (CH2)mC(O)O(CH2)mNH-VA, O(CH2)mC(O)O(CH2)mNH-VA, NH(CH2)mC(O)O(CH2)mNH-VA;
- m is an integer selected from the group of consisting of 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 and 12;
- R4 is an activating group;
- M′A is
- A is
- VA is
- (b) a probe for sensing oxygen having formula II:
- wherein M is selected from Pt or Pd;
- R11 and R12 can be the same or different and are independently selected from the group consisting of H, F, Cl, Br, I, CH3, OCH3 and OC2Hs,
- R13 and R14 can be the same or different and are independently selected from the group consisting of H, F, Cl, Br, I, CH3, OCH3 and OC2H5;
- R5 and R6 can be the same or different and are independently selected from the group consisting of H, F, Cl, Br, I, CH3, OCH3 and OC2H5;
- R7, R8, R9 and R10 can be the same or different and are independently selected from the group consisting of (CH2)pOH, O(CH2)pOH, NH(CH2)pOH, (CH2)pOM′A, O(CH2)pOM′A, NH(CH2)pOM′A, (CH2)pOA, O(CH2)pOA, NH(CH2)pOA, (CH2)pOVA, O(CH2)pOVA, NH(CH2)pOVA, (OCH2CH2)qOH, NH(CH2CH2O)qH, (OCH2CH2)qOM′A, NH(CH2CH2O)qM′A, (OCH2CH2)qOA, NH(CH2CH2O)qA, (OCH2CH2)qOVA, NH(CH2CH2O)qVA,
- where
- p is an integer selected from the group of consisting of 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 and 12,
- q is an integer selected from the group of consisting of 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 38, 39, 40, 41, 42, 43, 44, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149 and 150;
- (c) an intra-reference probe having formula III:
- wherein R15, R16, R17, and R18 can be the same or different and are CnH2n+1, where n is an integer selected from the group consisting of 1, 2, 3, 4, 5, 6, 7 and 8;
- X is an anion;
- and
- Z is selected from the group consisting of:
- (CH2)pOH, O(CH2)pOH. NH(CH2)pOH, (CH2)pOM′A, O(CH2)pOM′A, NH(CH2)pOM′A, (CH2)pOA, O(CH2)pOA, NH(CH2)pOA, (CH2)pOVA, O(CH2)pOVA, NH(CH2)pOVA, (OCH2CH2)qOH, NH(CH2CH2O)qH, (OCH2CH2)qOM′A, NH(CH2CH2O)qM′A, (OCH2CH2)qOA, NH(CH2CH2O)qA, (OCH2CH2)qOVA, NH(CH2CH2O)qVA, CH2(OCH2CH2)rOA, CH2(OCH2CH2)rOM′A, CH2(OCH2CH2)rOVA;
- and
- r is an integer selected from the group of consisting of 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 38, 39, 40, 41, 42, 43, 44, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149 and 150;
- and
- (d) a matrix comprising a polymer selected from the group consisting of acrylamide, 6-aminohexyl methacrylamide, and poly(ethylene glycol) dimethacrylate, methoxy-poly(ethylene glycol) methacrylate, 2-hydroxyethyl methacrylate and combinations thereof.
- wherein the probes are attached to or immobilized in the matrix.
Dependencies are inferred from the claim text.