CN112522364B - Uric acid kit for rapidly and simply eliminating interference of calcium dobesilate and phenol sulfoethylamine drugs in serum - Google Patents
Uric acid kit for rapidly and simply eliminating interference of calcium dobesilate and phenol sulfoethylamine drugs in serum Download PDFInfo
- Publication number
- CN112522364B CN112522364B CN202011578743.9A CN202011578743A CN112522364B CN 112522364 B CN112522364 B CN 112522364B CN 202011578743 A CN202011578743 A CN 202011578743A CN 112522364 B CN112522364 B CN 112522364B
- Authority
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- China
- Prior art keywords
- reagent
- phenol
- sulfoethylamine
- trinder
- serum
- Prior art date
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- LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 title claims abstract description 46
- TVWHNULVHGKJHS-UHFFFAOYSA-N Uric acid Natural products N1C(=O)NC(=O)C2NC(=O)NC21 TVWHNULVHGKJHS-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229940116269 uric acid Drugs 0.000 title claims abstract description 46
- QGNBTYAQAPLTMX-UHFFFAOYSA-L calcium dobesilate Chemical compound [Ca+2].OC1=CC=C(O)C(S([O-])(=O)=O)=C1.OC1=CC=C(O)C(S([O-])(=O)=O)=C1 QGNBTYAQAPLTMX-UHFFFAOYSA-L 0.000 title claims abstract description 39
- 229960005438 calcium dobesilate Drugs 0.000 title claims abstract description 39
- WMOTVIKCLHJGCF-UHFFFAOYSA-N 2-aminoethanesulfonic acid phenol Chemical compound S(=O)(=O)(O)CCN.C1(=CC=CC=C1)O WMOTVIKCLHJGCF-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 239000003814 drug Substances 0.000 title claims abstract description 28
- 210000002966 serum Anatomy 0.000 title claims abstract description 27
- 229940079593 drug Drugs 0.000 title description 13
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 87
- 239000007853 buffer solution Substances 0.000 claims abstract description 19
- 239000003755 preservative agent Substances 0.000 claims abstract description 18
- 230000002335 preservative effect Effects 0.000 claims abstract description 18
- 102000003992 Peroxidases Human genes 0.000 claims abstract description 17
- 108040007629 peroxidase activity proteins Proteins 0.000 claims abstract description 17
- 239000000376 reactant Substances 0.000 claims abstract description 17
- 239000002736 nonionic surfactant Substances 0.000 claims abstract description 10
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Natural products OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims abstract description 8
- 108010071390 Serum Albumin Proteins 0.000 claims abstract description 7
- 102000007562 Serum Albumin Human genes 0.000 claims abstract description 7
- 235000010323 ascorbic acid Nutrition 0.000 claims abstract description 7
- 239000011668 ascorbic acid Substances 0.000 claims abstract description 7
- 229960005070 ascorbic acid Drugs 0.000 claims abstract description 7
- 102000004316 Oxidoreductases Human genes 0.000 claims abstract description 6
- 108090000854 Oxidoreductases Proteins 0.000 claims abstract description 6
- 108010092464 Urate Oxidase Proteins 0.000 claims description 25
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 claims description 22
- RLFWWDJHLFCNIJ-UHFFFAOYSA-N 4-aminoantipyrine Chemical compound CN1C(C)=C(N)C(=O)N1C1=CC=CC=C1 RLFWWDJHLFCNIJ-UHFFFAOYSA-N 0.000 claims description 15
- PXIPVTKHYLBLMZ-UHFFFAOYSA-N Sodium azide Chemical compound [Na+].[N-]=[N+]=[N-] PXIPVTKHYLBLMZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 239000007800 oxidant agent Substances 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- ZHXZNKNQUHUIGN-UHFFFAOYSA-N chloro hypochlorite;vanadium Chemical compound [V].ClOCl ZHXZNKNQUHUIGN-UHFFFAOYSA-N 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 230000001590 oxidative effect Effects 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 9
- SEQKRHFRPICQDD-UHFFFAOYSA-N N-tris(hydroxymethyl)methylglycine Chemical compound OCC(CO)(CO)[NH2+]CC([O-])=O SEQKRHFRPICQDD-UHFFFAOYSA-N 0.000 claims description 8
- GPRLSGONYQIRFK-MNYXATJNSA-N triton Chemical compound [3H+] GPRLSGONYQIRFK-MNYXATJNSA-N 0.000 claims description 8
- JKMHFZQWWAIEOD-UHFFFAOYSA-N 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid Chemical compound OCC[NH+]1CCN(CCS([O-])(=O)=O)CC1 JKMHFZQWWAIEOD-UHFFFAOYSA-N 0.000 claims description 6
- 239000007995 HEPES buffer Substances 0.000 claims description 6
- OWXMKDGYPWMGEB-UHFFFAOYSA-N HEPPS Chemical compound OCCN1CCN(CCCS(O)(=O)=O)CC1 OWXMKDGYPWMGEB-UHFFFAOYSA-N 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- 229910021538 borax Inorganic materials 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 239000004328 sodium tetraborate Substances 0.000 claims description 6
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 6
- IRQRBVOQGUPTLG-UHFFFAOYSA-M sodium;3-(n-ethyl-3-methylanilino)-2-hydroxypropane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)CC(O)CN(CC)C1=CC=CC(C)=C1 IRQRBVOQGUPTLG-UHFFFAOYSA-M 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- RDEIXVOBVLKYNT-VQBXQJRRSA-N (2r,3r,4r,5r)-2-[(1s,2s,3r,4s,6r)-4,6-diamino-3-[(2r,3r,6s)-3-amino-6-(1-aminoethyl)oxan-2-yl]oxy-2-hydroxycyclohexyl]oxy-5-methyl-4-(methylamino)oxane-3,5-diol;(2r,3r,4r,5r)-2-[(1s,2s,3r,4s,6r)-4,6-diamino-3-[(2r,3r,6s)-3-amino-6-(aminomethyl)oxan-2-yl]o Chemical compound OS(O)(=O)=O.O1C[C@@](O)(C)[C@H](NC)[C@@H](O)[C@H]1O[C@@H]1[C@@H](O)[C@H](O[C@@H]2[C@@H](CC[C@@H](CN)O2)N)[C@@H](N)C[C@H]1N.O1C[C@@](O)(C)[C@H](NC)[C@@H](O)[C@H]1O[C@@H]1[C@@H](O)[C@H](O[C@@H]2[C@@H](CC[C@H](O2)C(C)N)N)[C@@H](N)C[C@H]1N.O1[C@H](C(C)NC)CC[C@@H](N)[C@H]1O[C@H]1[C@H](O)[C@@H](O[C@@H]2[C@@H]([C@@H](NC)[C@@](C)(O)CO2)O)[C@H](N)C[C@@H]1N RDEIXVOBVLKYNT-VQBXQJRRSA-N 0.000 claims description 5
- 239000007983 Tris buffer Substances 0.000 claims description 5
- IHPYMWDTONKSCO-UHFFFAOYSA-N 2,2'-piperazine-1,4-diylbisethanesulfonic acid Chemical compound OS(=O)(=O)CCN1CCN(CCS(O)(=O)=O)CC1 IHPYMWDTONKSCO-UHFFFAOYSA-N 0.000 claims description 4
- AJTVSSFTXWNIRG-UHFFFAOYSA-N 2-[bis(2-hydroxyethyl)amino]ethanesulfonic acid Chemical compound OCC[NH+](CCO)CCS([O-])(=O)=O AJTVSSFTXWNIRG-UHFFFAOYSA-N 0.000 claims description 4
- DVLFYONBTKHTER-UHFFFAOYSA-N 3-(N-morpholino)propanesulfonic acid Chemical compound OS(=O)(=O)CCCN1CCOCC1 DVLFYONBTKHTER-UHFFFAOYSA-N 0.000 claims description 4
- RZQXOGQSPBYUKH-UHFFFAOYSA-N 3-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]azaniumyl]-2-hydroxypropane-1-sulfonate Chemical compound OCC(CO)(CO)NCC(O)CS(O)(=O)=O RZQXOGQSPBYUKH-UHFFFAOYSA-N 0.000 claims description 4
- XCBLFURAFHFFJF-UHFFFAOYSA-N 3-[bis(2-hydroxyethyl)azaniumyl]-2-hydroxypropane-1-sulfonate Chemical compound OCCN(CCO)CC(O)CS(O)(=O)=O XCBLFURAFHFFJF-UHFFFAOYSA-N 0.000 claims description 4
- FJKROLUGYXJWQN-UHFFFAOYSA-N 4-hydroxybenzoic acid Chemical compound OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 claims description 4
- 108700016232 Arg(2)-Sar(4)- dermorphin (1-4) Proteins 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 4
- 239000007993 MOPS buffer Substances 0.000 claims description 4
- FSVCELGFZIQNCK-UHFFFAOYSA-N N,N-bis(2-hydroxyethyl)glycine Chemical compound OCCN(CCO)CC(O)=O FSVCELGFZIQNCK-UHFFFAOYSA-N 0.000 claims description 4
- JOCBASBOOFNAJA-UHFFFAOYSA-N N-tris(hydroxymethyl)methyl-2-aminoethanesulfonic acid Chemical compound OCC(CO)(CO)NCCS(O)(=O)=O JOCBASBOOFNAJA-UHFFFAOYSA-N 0.000 claims description 4
- 239000007990 PIPES buffer Substances 0.000 claims description 4
- 229910019142 PO4 Inorganic materials 0.000 claims description 4
- UZMAPBJVXOGOFT-UHFFFAOYSA-N Syringetin Natural products COC1=C(O)C(OC)=CC(C2=C(C(=O)C3=C(O)C=C(O)C=C3O2)O)=C1 UZMAPBJVXOGOFT-UHFFFAOYSA-N 0.000 claims description 4
- 239000007994 TES buffer Substances 0.000 claims description 4
- 239000007997 Tricine buffer Substances 0.000 claims description 4
- 208000034953 Twin anemia-polycythemia sequence Diseases 0.000 claims description 4
- 239000007998 bicine buffer Substances 0.000 claims description 4
- KCFYHBSOLOXZIF-UHFFFAOYSA-N dihydrochrysin Natural products COC1=C(O)C(OC)=CC(C2OC3=CC(O)=CC(O)=C3C(=O)C2)=C1 KCFYHBSOLOXZIF-UHFFFAOYSA-N 0.000 claims description 4
- YMAWOPBAYDPSLA-UHFFFAOYSA-N glycylglycine Chemical compound [NH3+]CC(=O)NCC([O-])=O YMAWOPBAYDPSLA-UHFFFAOYSA-N 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 4
- 239000010452 phosphate Substances 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- 239000011734 sodium Substances 0.000 claims description 4
- YDBHVMTTYXWHLI-UHFFFAOYSA-N 2,4,6-tribromo-3-hydroxybenzoic acid Chemical compound OC(=O)C1=C(Br)C=C(Br)C(O)=C1Br YDBHVMTTYXWHLI-UHFFFAOYSA-N 0.000 claims description 3
- WXNZTHHGJRFXKQ-UHFFFAOYSA-N 4-chlorophenol Chemical compound OC1=CC=C(Cl)C=C1 WXNZTHHGJRFXKQ-UHFFFAOYSA-N 0.000 claims description 3
- WIIZWVCIJKGZOK-RKDXNWHRSA-N chloramphenicol Chemical compound ClC(Cl)C(=O)N[C@H](CO)[C@H](O)C1=CC=C([N+]([O-])=O)C=C1 WIIZWVCIJKGZOK-RKDXNWHRSA-N 0.000 claims description 3
- 229960005091 chloramphenicol Drugs 0.000 claims description 3
- DPXDJGUFSPAFJZ-UHFFFAOYSA-L disodium;4-[3-methyl-n-(4-sulfonatobutyl)anilino]butane-1-sulfonate Chemical compound [Na+].[Na+].CC1=CC=CC(N(CCCCS([O-])(=O)=O)CCCCS([O-])(=O)=O)=C1 DPXDJGUFSPAFJZ-UHFFFAOYSA-L 0.000 claims description 3
- CMZUMMUJMWNLFH-UHFFFAOYSA-N sodium metavanadate Chemical compound [Na+].[O-][V](=O)=O CMZUMMUJMWNLFH-UHFFFAOYSA-N 0.000 claims description 3
- SVLRFMQGKVFRTB-UHFFFAOYSA-M sodium;3-(3,5-dimethoxyanilino)-2-hydroxypropane-1-sulfonate Chemical compound [Na+].COC1=CC(NCC(O)CS([O-])(=O)=O)=CC(OC)=C1 SVLRFMQGKVFRTB-UHFFFAOYSA-M 0.000 claims description 3
- 239000004094 surface-active agent Substances 0.000 claims description 3
- 108060006004 Ascorbate peroxidase Proteins 0.000 claims description 2
- 108010008488 Glycylglycine Proteins 0.000 claims description 2
- 229940043257 glycylglycine Drugs 0.000 claims description 2
- 229920000136 polysorbate Polymers 0.000 claims description 2
- NMWCVZCSJHJYFW-UHFFFAOYSA-M sodium;3,5-dichloro-2-hydroxybenzenesulfonate Chemical compound [Na+].OC1=C(Cl)C=C(Cl)C=C1S([O-])(=O)=O NMWCVZCSJHJYFW-UHFFFAOYSA-M 0.000 claims 2
- 230000027455 binding Effects 0.000 claims 1
- 238000004806 packaging method and process Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 22
- 239000002253 acid Substances 0.000 abstract description 17
- 150000003839 salts Chemical class 0.000 abstract description 16
- DDRJAANPRJIHGJ-UHFFFAOYSA-N creatinine Chemical compound CN1CC(=O)NC1=N DDRJAANPRJIHGJ-UHFFFAOYSA-N 0.000 abstract description 14
- 229910052751 metal Inorganic materials 0.000 abstract description 13
- 239000002184 metal Substances 0.000 abstract description 13
- 229940109239 creatinine Drugs 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 7
- 239000000872 buffer Substances 0.000 abstract description 3
- 108010066906 Creatininase Proteins 0.000 abstract description 2
- 102000016938 Catalase Human genes 0.000 abstract 1
- 108010053835 Catalase Proteins 0.000 abstract 1
- 108010077078 Creatinase Proteins 0.000 abstract 1
- 108010029541 Laccase Proteins 0.000 abstract 1
- 108010060059 Sarcosine Oxidase Proteins 0.000 abstract 1
- 102000008118 Sarcosine oxidase Human genes 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 11
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 8
- 239000011575 calcium Substances 0.000 description 8
- 229910052791 calcium Inorganic materials 0.000 description 8
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 8
- 108010024957 Ascorbate Oxidase Proteins 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000003908 quality control method Methods 0.000 description 6
- 108091003079 Bovine Serum Albumin Proteins 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 210000004369 blood Anatomy 0.000 description 4
- 239000008280 blood Substances 0.000 description 4
- 229940098773 bovine serum albumin Drugs 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000033116 oxidation-reduction process Effects 0.000 description 4
- -1 polyvanadate Chemical compound 0.000 description 4
- IAVHKMVGTPXJIC-UHFFFAOYSA-N 2-phenylamino-ethanesulfonic acid Chemical compound OS(=O)(=O)CCNC1=CC=CC=C1 IAVHKMVGTPXJIC-UHFFFAOYSA-N 0.000 description 3
- 201000005569 Gout Diseases 0.000 description 3
- ALTWGIIQPLQAAM-UHFFFAOYSA-N metavanadate Chemical compound [O-][V](=O)=O ALTWGIIQPLQAAM-UHFFFAOYSA-N 0.000 description 3
- 239000012452 mother liquor Substances 0.000 description 3
- 239000008363 phosphate buffer Substances 0.000 description 3
- 150000003212 purines Chemical class 0.000 description 3
- LSGOVYNHVSXFFJ-UHFFFAOYSA-N vanadate(3-) Chemical compound [O-][V]([O-])([O-])=O LSGOVYNHVSXFFJ-UHFFFAOYSA-N 0.000 description 3
- 102000004190 Enzymes Human genes 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 2
- POJWUDADGALRAB-UHFFFAOYSA-N allantoin Chemical compound NC(=O)NC1NC(=O)NC1=O POJWUDADGALRAB-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000012482 calibration solution Substances 0.000 description 2
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 2
- 238000003759 clinical diagnosis Methods 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000029142 excretion Effects 0.000 description 2
- 210000003734 kidney Anatomy 0.000 description 2
- 210000004185 liver Anatomy 0.000 description 2
- LBSANEJBGMCTBH-UHFFFAOYSA-N manganate Chemical compound [O-][Mn]([O-])(=O)=O LBSANEJBGMCTBH-UHFFFAOYSA-N 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229960003742 phenol Drugs 0.000 description 2
- 230000004144 purine metabolism Effects 0.000 description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 2
- BOUSMGITTRHFHS-UHFFFAOYSA-N 3,4-dichloro-2-hydroxybenzenesulfonic acid Chemical compound OC1=C(Cl)C(Cl)=CC=C1S(O)(=O)=O BOUSMGITTRHFHS-UHFFFAOYSA-N 0.000 description 1
- POJWUDADGALRAB-PVQJCKRUSA-N Allantoin Natural products NC(=O)N[C@@H]1NC(=O)NC1=O POJWUDADGALRAB-PVQJCKRUSA-N 0.000 description 1
- 208000031868 Calculus ureteric Diseases 0.000 description 1
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- 206010027439 Metal poisoning Diseases 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 101100006352 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) CHS5 gene Proteins 0.000 description 1
- 208000000014 Ureteral Calculi Diseases 0.000 description 1
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- FVYXIJYOAGAUQK-UHFFFAOYSA-N honokiol Chemical compound C1=C(CC=C)C(O)=CC=C1C1=CC(CC=C)=CC=C1O FVYXIJYOAGAUQK-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 229910052700 potassium Inorganic materials 0.000 description 1
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- 229960004889 salicylic acid Drugs 0.000 description 1
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- HDARHUHTZKLJET-UHFFFAOYSA-M sodium;3-(n-ethyl-3,5-dimethoxyanilino)-2-hydroxypropane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)CC(O)CN(CC)C1=CC(OC)=CC(OC)=C1 HDARHUHTZKLJET-UHFFFAOYSA-M 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/62—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving uric acid
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
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Abstract
The application relates to a uric acid kit for rapidly and simply eliminating interference of calcium dobesilate and phenol sulfoethylamine medicaments in serum, which has the technical scheme that: the reagent R1 comprises a buffer solution, creatinase, sarcosine oxidase, ascorbic acid oxidase, peroxidase or catalase, serum albumin, a nonionic surfactant, a preservative, a Trinder's reactant A, laccase or a metal acid salt; the reagent R2 comprises a buffer, serum albumin, creatininase, a preservative, and Trinder's reagent B. The application overcomes the defect that the serum sample contains negative deviation caused by calcium dobesilate and phenol sulfoethylamine when creatinine is measured by clinical examination in various hospitals, so that the creatinine is inaccurate in measurement, and is suitable for the detection of serum creatinine of a full-automatic biochemical analyzer.
Description
The scheme is a divisional application, and specifically comprises the following application numbers: 2020108215098, the name is: a uric acid kit capable of eliminating interference of calcium dobesilate and phenol-sulfoethylamine medicaments in serum and a preparation method thereof are provided, and the application days are as follows: 2020.08.15.
Technical Field
The application belongs to the technical field of medical examination, and relates to a uric acid kit for rapidly and simply eliminating interference of calcium dobesilate and phenol sulfoethylamine medicaments in serum.
Background
Uric Acid (UA) is a final product of in vivo purine metabolism, and is weakly acidic. Uric acid can be either ex vivo or from catabolism of purines in the diet. Uric acid is produced in the body mainly in the liver, a small part of which can be excreted via the liver with bile, and the remaining part of which is excreted from the kidney. Uric acid has a low solubility, and therefore crystals are likely to be precipitated when the concentration in the body is high. Uric acid is considered to be closely related to the occurrence and development of gout, cardiovascular and cerebrovascular diseases, metabolic syndrome, ureteral calculus, kidney diseases, and the like. In recent years, with the improvement of the living standard of people and the change of the inclusion structure, particularly the increase of food intake rich in proteins and purines, the number of hyperuricemia and gout incidences is on the rise. Therefore, the clinical detection of serum uric acid concentration has very important reference value and significance, and the detection principle is as follows:
the commercially available detection kits are double reagents, and the uricase-peroxidase coupling method based on the Trinder reaction has the advantages of sensitivity, suitability for an automatic biochemical analyzer and the like, wherein the reagent R1 contains peroxidase and Trinder's A reagent, after R2 is added, the R2 contains uricase and Trinder's reagent B, the uricase hydrolyzes uric acid into allantoin and H2O2, and the H2O2 is colored with the peroxidase and Trinder's A reagent in R1 for detection. The reaction process utilizes the specificity of enzyme, but the generated H 2 O 2 Is a strong oxidant and is extremely easy to be consumed by reducing medicines in serum to generate negative interference.
Uric acid is the final metabolite of purine, and abnormal purine metabolism or kidney excretion disorder of uric acid can cause the increase or decrease of uric acid concentration in blood; gout, renal dysfunction, malignant tumor, cadmium, lead and other heavy metal poisoning may cause elevated blood uric acid concentration, and administration of drugs such as salicylic acid and purinol, severe liver disease, and increased renal excretion may cause reduced blood uric acid content. Calcium dobesilate is used as a common medicine for microvascular protection and treatment, and phenol sulfoethylamine is used as a common medicine for hemostasis, and the medicines are all strong reducing agents, so that when patients taking the medicines measure the uric acid content in blood plasma, the reducing medicines can decompose H generated by uric acid with uricase 2 O 2 Direct reaction, consumption of H 2 O 2 The uric acid value is seriously and negatively deviated, and misjudgment is caused when a doctor diagnoses treatment.
Disclosure of Invention
The application discloses a uric acid kit for rapidly and simply eliminating drug interference of calcium oxybenzene sulfonate and phenol sulfoethylamine in serum, which is characterized in that one or more than one of oxidized metal acid salts with high oxidation-reduction potential, vanadium pentoxide or vanadium oxychloride is added into a reagent R1, and the oxidation characteristics of the metal acid salts, the vanadium pentoxide or the vanadium oxychloride are utilized to oxidize the calcium oxybenzene sulfonate and the phenol sulfoethylamine first, so that H2O2 generated by uricase decomposition uric acid after the reagent R2 is added is prevented from being consumed, the operation is simple, and accurate uric acid measurement values are rapidly obtained.
The application also discloses a uric acid kit for rapidly and simply eliminating drug interference of calcium dobesilate and phenol sulfoethylamine in serum, which comprises a reagent R1 and a reagent R2, wherein the reagent R1 comprises buffer solution, peroxidase, ascorbate oxidase, preservative, trinder's reactant A and metal acid salt; the reagent R2 comprises a buffer solution, serum albumin, uricase, a preservative and a Trinder's reagent B. The proper metal acid salt is selected as the oxidant to eliminate the negative deviation caused by the interference of calcium oxybenzene sulfonate and phenol sulfoethylamine in serum during uric acid measurement, and the stability of each component in the reagent R1 and the reagent R2 is not affected, and the calcium oxybenzene sulfonate and the phenol sulfoethylamine in the serum can be oxidized before uricase (the reagent R2) is added to avoid the consumption of H generated during uric acid measurement 2 O 2 The uric acid measurement value is accurate.
Preferably, the metal acid salt comprises one or more of oxidized nickel acid salt, ferrite, cobalt acid salt, chromate, manganate and vanadate, wherein the vanadate is one or more of metavanadate, polyvanadate, vanadium pentoxide or vanadium oxychloride, and the high oxidation-reduction potential metal acid salt comprises sodium, potassium and ammonium salts of the metal acid. In a plurality of tests, it is found that the negative deviation caused by the interference of calcium dobesilate and phenol sulfoethylamine in serum during uric acid measurement can be eliminated by adopting the metal element acid salts at positions 23, 24, 25, 26, 27 and 28 in the periodic table, and selecting the oxidized nickel acid salt, cobalt acid salt, chromate, manganate, vanadate, metavanadate, polyvanadate, vanadium pentoxide or vanadium trichlorooxide with high oxidation-reduction potential as the oxidizing agent, and the stability of each component in the reagent R1 and the reagent R2 is not influenced.
Preferably, the Trinder's reactant A is 4-Aminoantipyrine (4-Aminoantantipyrine, abbreviated as 4-AAP). In a series of experiments, the application discovers that 4-AAP must be added into the reagent R1 to coexist with the metal acid salt or vanadium pentoxide and vanadium oxychloride and other components in the reagent R1, and Trinder's reaction another reagent phenol compound must coexist with uricase into the reagent R2, so that the uricase kit can not only eliminate the interference of calcium oxybenzene sulfonate and phenol sulfoethylamine, but also can keep the stability of the kit for more than one year at the temperature of 2-8 ℃, and the amount of ascorbate oxidase can effectively reduce the interference of ascorbic acid in blood samples on uric acid measurement when the amount of ascorbate oxidase is in the range.
Preferably, in the reagent R1, the concentration of the buffer solution is 5-200 mM, and the pH value is 6.5-9.5;
the content of peroxidase is 1.0-10 ku/liter;
1.0-10 ku/liter of ascorbic acid oxidase;
trinder's reagent A0.3-5 mM/liter;
when the weight ratio of the preservative is 0.01% -0.5%, the metal acid salt oxidant or the vanadium pentoxide or the vanadium oxychloride oxidant with the content of 0.1-10 mM is adopted.
Preferably, the buffer solution of the reagent R1 is one or more than one of BES, BICINE, DIPSO, EPPS, PIPES, HEPES, MOPS, TAPS, TAPSO, TES, tricine, tris, glycylglycine and phosphate; the buffer solution of the reagent R2 is one or more of BES, BICINE, DIPSO, EPPS, PIPES, HEPES, MOPS, TAPS, TAPSO, TES, TRICINE, TRIS, diglycide and phosphate.
Preferably, the reagent R1 and the reagent R2 further contain a nonionic surfactant, the weight ratio content of which is 0.01% -0.3%, and the nonionic surfactant is one or two of BRIJ, EMULGEN, TRITON, TWEEN.
Preferably, the preservative is one or two of Proclin, gentamicin sulfate, PARABEN, chloramphenicol, sodium azide and borax. The preservative can block the action of biological enzymes in the reagent, so that the reagent can keep stable efficacy for a certain time, such as borax, sodium azide and the like.
Preferably, in the reagent R2, the concentration of the buffer solution is 10-200 mM, and the pH value is 6.5-9.0; uricase content 5-20 ku/liter; trinder's reagent B was 0.1-20 mM.
Preferably, the Trinder's reactant B in the reagent R2 is one or more than two of TOOS, DHBS, DAOS, HDAOS, TBHBA, TOPS, TODB and 4-chlorophenol.
A preparation method of uric acid kit for rapidly and simply eliminating interference of calcium dobesilate and phenol sulfoethylamine medicaments in serum comprises the following steps: reagent R1 is prepared:
weighing buffer solution, adding preservative, stirring and dissolving, regulating the pH value to 8.0 by using sodium hydroxide or hydrochloric acid, adding metal acid salt, stirring and dissolving, regulating the pH value to 8.0, adding Trinder's reactant A and nonionic surfactant, uniformly mixing, adding ascorbic acid oxidase and peroxidase at 2-8 ℃ for overnight, stirring and dissolving, detecting and subpackaging at 2-8 ℃ for overnight;
reagent R2 is prepared:
weighing buffer solution, adding preservative, stirring and dissolving, regulating pH to 8.0, adding Trinder's reactant B and surfactant, uniformly mixing, adding serum albumin and uricase at 2-8 ℃ for night, uniformly mixing, detecting and subpackaging at 2-8 ℃ for night.
The uric acid kit consists of a reagent R1 and a reagent R2, wherein the reagent R1 is firstly mixed with a sample, for example, when the sample contains therapeutic drug calcium dobesilate or phenol sulfoethylamine, the oxidation state metallate or vanadium pentoxide or vanadium oxychloride in the reagent R1 can firstly oxidize the sample, so that H generated by uricase reaction contained in the reagent R2 is avoided 2 O 2 Is consumed by the medicines, and the reagent R2 contains Trinder's reactant B, namely phenol compound and H generated by the reaction of 4-AAP in the reagent R1 and uricase 2 O 2 Color development, measurement of absorbance and calculation of the content.
The beneficial effects of the application are as follows:
the uric acid kit capable of eliminating the interference of calcium dobesilate and phenol sulfoethylamine medicaments in serum has the advantages of good stability, simplicity in operation and rapid detection reaction, is particularly different from the composition of the existing kit on the market because peroxidase and uricase are respectively prepared in the reagent R1 and the reagent R2, can continuously eliminate the negative interference of the calcium dobesilate and the phenol sulfoethylamine in a period of time, avoids misjudgment of doctors in clinical diagnosis, can accurately take medicine and treat, and is suitable for a full-automatic biochemical analyzer.
The preparation method of the uric acid kit capable of eliminating the drug interference of calcium dobesilate and phenol sulfoethylamine in serum has the advantages of good stability, simple and rapid operation, elimination of the negative interference of calcium dobesilate and phenol sulfoethylamine, high accuracy and suitability for full-automatic biochemical analyzers.
Detailed Description
The uric acid kit capable of eliminating interference of calcium dobesilate and phenol sulfoethylamine drugs in serum of the application is further described below with reference to specific examples:
the interference of calcium dobesilate and phenol-sulfoethylamine was measured by the uricase method kit currently marketed with approval of the national drug administration, and the results are shown in Table I:
the reagent composition is as follows:
[ Main constituent Components ]]From reagent R 1 Reagent R 2 And a calibrator.
Reagent R1: dichloro hydroxy benzene sulfonic acid (DHBS), phosphate buffer;
reagent R2: uricase, peroxidase (peroxidase in the bottom of the cross in the component R1), 4-aminoantipyrine.
Calibration material: the concentration of the creatinine-containing aqueous solution is shown as a label, and the creatinine-containing aqueous solution can be traced to Randox CAL3 calibrator.
[ measurement method ]
(1) The double reagents are directly used without preparation.
(2) Test conditions: sample (S): 3 μl of reagent 1 (R1): 240 μl reagent 2 (R2): 60 μl temperature: 37 DEG C
Type of measurement: end point method dominant wavelength: 505nm side wavelength: 660nm reaction direction: ascending to
The method comprises the following steps: the standard or sample was first mixed with R1, and reagent R2 was added after 5 minutes at 37℃and then the absorbance of the reaction after 5 minutes of the addition of reagent R2 was measured.
Sample: 3 μl of
R 1 :240μl R 2 :60μl
(3) Calibration procedure: calibration was performed using the calibrator, which was performed every time the reagent lot was replaced. After calibration, each laboratory was validated with quality control. If the quality control result is not within the acceptable range value, a recalibration is required.
(4) Quality control program: and selecting proper quality control products for quality control. Each laboratory establishes a respective quality control frequency and acceptable range value. When the measurement result is out of the acceptable range, it is necessary to take corresponding measures.
(5) Calculation of
Measuring instrument and parameters:
units: mu mol/L, normal value of 90-420 mu mol/L
Measuring instrument: hitachi 7180
Measurement parameters: r1: r2: s (sample amount) =240:60:3 μl
Primary/secondary wavelength: 505/660nm
2POINT END,INC.
Table 1 the results of the two reagent creatininase assay kit assay interference: (Unit: mu mol/L)
Conclusion: the measurement results show that calcium dobesilate and phenol sulfoethylamine all cause negative deviation on uric acid measurement results.
The specific combination of examples 1-4 illustrates the effect of the uric acid kit capable of eliminating interference of calcium dobesilate and phenol sulfoethylamine drugs in serum:
table 2 reagent compositions of examples 1-4:
the specific components of the creatinine reagent according to the application are described below:
example 1:
reagent R1:
tris buffer 50mM pH8.0;
peroxidase 9ku/L;
ascorbate oxidase 6ku/L;
vanadium pentoxide 1mM;
4-AAP 3mM;
TRITON X-100 0.2%;
borax 1%
Reagent R2:
tris buffer 50mM pH8.0
Uricase 9ku/L
Bovine serum albumin 0.1%
TOOS 10mM
Borax 1.0%
TRITON 0.1%。
Example 2:
reagent R1:
HEPES buffer 50mM pH8.0
Peroxidase 7.2ku/L
Ascorbate oxidase 6.4ku/L
Sodium ferrate 1mM
4-AAP 3mM
TRITON X-100 0.2%
Gentamicin sulfate 0.1%;
reagent R2:
HEPES buffer 50mM pH8.0
Uricase 11.2ku/L
Bovine serum albumin 0.1%
TOOS 10mM
Gentamicin sulfate 0.1%
TRITON 0.1%。
Example 3:
reagent R1:
phosphate buffer 50mM pH8.0
Peroxidase 4.6ku/L
Ascorbate oxidase 10ku/L
Sodium metavanadate 2mM
4-AAP 3mM
TRITON X-100 0.2%
0.1% of sodium azide;
reagent R2:
phosphate buffer 50mM pH8.0
Uricase 20ku/L
Bovine serum albumin 0.1%
TOOS 10mM
Sodium azide 0.1%
TRITON X-100 0.1%。
Example 4:
reagent R1:
EPPS buffer 50mM pH8.0
Peroxidase 6.5ku/L
Ascorbate oxidase 5.5ku/L
Vanadium oxychloride 2mM
4-AAP 3mM
Brij 0.1%
Proclin 300 0.1%;
Reagent R2:
EPPS buffer 50mM pH8.0
Uricase 16.8ku/L
Bovine serum albumin 0.1%
TOPS 10mM
Brij 0.1%
Proclin 300 0.1%。
The preparation method of examples 1-4 comprises the following steps:
reagent R1 is prepared:
weighing buffer solution, adding preservative, stirring and dissolving, regulating the pH value to 8.0 by using sodium hydroxide or hydrochloric acid, adding metal acid salt, stirring and dissolving, regulating the pH value to 8.0, adding Trinder's reactant A and nonionic surfactant, uniformly mixing, adding ascorbic acid oxidase and peroxidase at 2-8 ℃ for overnight, stirring and dissolving, detecting and subpackaging at 2-8 ℃ for overnight;
reagent R2 is prepared:
weighing buffer solution, adding preservative, stirring and dissolving, regulating pH to 8.0, adding Trinder's reactant B and surfactant, uniformly mixing, adding serum albumin and uricase at 2-8 ℃ for night, uniformly mixing, detecting and subpackaging at 2-8 ℃ for night.
The measuring method comprises the following steps:
the reagents R1 and R2 prepared in examples 1 to 4 were placed at the corresponding reagent positions of a fully automatic coagulation analyzer (Hitachi 7180), 210. Mu.l of the reagent R1 and 70. Mu.l of the reagent R2 were sucked, 10. Mu.l of a calibration solution or specimen was used, the concentration of the calibration solution was 300. Mu.M, the main/auxiliary wavelength was 540/660nm, and the reaction direction was the two-point end point method: INC, and measuring creatinine values of various samples containing calcium dobesilate or phenol sulfoethylamine with different concentrations by scaling with a scaling solution.
Table 3 measurement results of example 1: (Unit: mu mol/L)
Measurement | 1 | 2 | 3 | Average value of | Relative deviation of |
Mother liquor | 356 | 355 | 356 | 355.7 | |
Calcium dobesilate 8ml/L | 357 | 355 | 356 | 356 | 0.1% |
Calcium dobesilate 16ml/L | 357 | 358 | 356 | 357 | 0.4% |
Calcium dobesilate 32ml/L | 356 | 356 | 355 | 355.7 | 0.0% |
Calcium dobesilate 64ml/L | 349 | 348 | 349 | 348.7 | 2.0% |
Phenylsulfoethylamine 12.5mg/L | 357 | 358 | 358 | 357.7 | 0.6% |
25mg/L of phenol sulfoethylamine | 357 | 357 | 357 | 357.0 | 0.4% |
50mg/L of phenol sulfoethylamine | 357 | 356 | 355 | 356.0 | 0.1% |
Phenol sulfoethylamine 100mg/L | 358 | 357 | 358 | 357.7 | 0.6% |
Table 4 measurement results of example 2: (Unit: mu mol/L)
Table 5 measurement results of example 3: (Unit: mu mol/L)
Measurement | 1 | 2 | 3 | Average value of | Relative deviation of |
Mother liquor | 360 | 360 | 362 | 361.0 | |
Calcium dobesilate 8ml/L | 360 | 360 | 362 | 360.7 | -0.1% |
Calcium dobesilate 16ml/L | 361 | 361 | 361 | 361 | 0.0% |
Calcium dobesilate 32ml/L | 360 | 360 | 359 | 359.7 | -0.4% |
Calcium dobesilate 64ml/L | 359 | 359 | 360 | 359.3 | -0.2% |
Phenylsulfoethylamine 12.5mg/L | 360 | 360 | 360 | 360.0 | -0.3% |
25mg/L of phenol sulfoethylamine | 360 | 361 | 359 | 360.0 | -0.3% |
50mg/L of phenol sulfoethylamine | 358 | 360 | 359 | 359 | -0.6% |
Phenol sulfoethylamine 100mg/L | 359 | 359 | 358 | 358.7 | -0.6% |
Table 6 measurement results of example 4: (Unit: mu mol/L)
Measurement | 1 | 2 | 3 | Average value of | Relative deviation of |
Mother liquor | 360 | 360 | 360 | 360.0 | |
Calcium dobesilate 8ml/L | 361 | 360 | 361 | 360.7 | 0.2% |
Calcium dobesilate 16ml/L | 360 | 361 | 358 | 359.7 | -0.1% |
Calcium dobesilate 32ml/L | 359 | 359 | 358 | 358.7 | -0.4% |
Calcium dobesilate 64ml/L | 358 | 357 | 357 | 357.3 | -0.8% |
Phenylsulfoethylamine 12.5mg/L | 361 | 360 | 361 | 360.7 | 0.2% |
25mg/L of phenol sulfoethylamine | 361 | 360 | 359 | 360.0 | 0% |
50mg/L of phenol sulfoethylamine | 359 | 359 | 360 | 359.3 | -0.2% |
Phenol sulfoethylamine 100mg/L | 359 | 357 | 359 | 358.3 | -0.5% |
As can be seen from the measurement results of the above examples 1-4, the uric acid kit capable of eliminating the interference of calcium oxybenzene sulfonate and phenol sulfoethylamine in serum, provided by the application, can effectively eliminate the interference of calcium oxybenzene sulfonate and phenol sulfoethylamine in uric acid measurement by adding oxidized ferrate, polymetavanadate, metavanadate, vanadium pentoxide or vanadium trichlorooxide with high oxidation-reduction potential, has the advantages of good stability, simplicity in operation and rapid detection reaction, and is particularly suitable for a full-automatic biochemical analyzer by respectively preparing peroxidase and uricase in the reagents R1 and R2, and is different from the composition of the existing kit in the market, so that the stability of the kit can be prolonged within a period of time, the negative interference of calcium oxybenzene sulfonate and phenol sulfoethylamine can be continuously eliminated, the misjudgment of doctors in clinical diagnosis can be avoided, and the kit can be accurately used and treated.
Claims (7)
1. A uric acid kit for rapidly and simply eliminating interference of calcium dobesilate and phenol sulfoethylamine medicaments in serum is characterized in that: the reagent comprises a reagent R1 and a reagent R2, wherein the reagent R1 comprises a buffer solution, peroxidase, ascorbate oxidase, a preservative, a Trinder's reactant A, an oxidant and a nonionic surfactant; the reagent R2 comprises a buffer solution, serum albumin, uricase, a preservative, trinder's reactant B and a nonionic surfactant; the Trinder's reactant A is 4-aminoantipyrine, the oxidant comprises any one of vanadium pentoxide, sodium ferrate, sodium metavanadate and vanadium oxychloride, and the Trinder's reactant B is one or more than two of TOOS, DHBS, HDAOS, TBHBA, TOPS, TODB and 4-chlorophenol; in the R1, the concentration of the buffer solution is 5-200 mM, and the concentration of the pH is 6.5-9.5; the content of peroxidase is 1.5-9 ku/liter; 1-10 ku/liter of ascorbic acid oxidase; trinder's reagent A0.3-5 mM/liter; the weight ratio of the preservative is 0.01% -0.5%, and the oxidant with the content of 0.1-10 mM is adopted; the preservative is one or two of Proclin, gentamicin sulfate, PARABEN, chloramphenicol, sodium azide and borax.
2. The uric acid kit for rapidly and simply eliminating interference of calcium dobesilate and phenol-sulfoethylamine medicaments in serum according to claim 1, which is characterized in that: the peroxidase is in binding action with uricase.
3. The uric acid kit for rapidly and simply eliminating interference of calcium dobesilate and phenol-sulfoethylamine medicaments in serum according to claim 1, which is characterized in that: the buffer solution of R1 is one or more than one of BES, BICINE, DIPSO, EPPS, PIPES, HEPES, MOPS, TAPS, TAPSO, TES, tricine, tris, glycylglycine and phosphate; the buffer solution of the reagent R2 is one or more of BES, BICINE, DIPSO, EPPS, PIPES, HEPES, MOPS, TAPS, TAPSO, TES, TRICINE, TRTS, diglycide and phosphate.
4. The uric acid kit for rapidly and simply eliminating interference of calcium dobesilate and phenol-sulfoethylamine medicaments in serum according to claim 1, which is characterized in that: the reagent R1 and the reagent R2 also contain nonionic surfactants, the weight ratio content of which is 0.01-0.3%, and the nonionic surfactants are one or two of BRIJ, EMULGEN, TRITON, TWEEN.
5. The uric acid kit for rapidly and simply eliminating interference of calcium dobesilate and phenol-sulfoethylamine medicaments in serum according to claim 1, which is characterized in that: the preservative is one or two of Proclin, gentamicin sulfate, PARABEN, chloramphenicol, sodium azide and borax.
6. The uric acid kit for rapidly and simply eliminating interference of calcium dobesilate and phenol-sulfoethylamine medicaments in serum according to claim 1, which is characterized in that: in the R2, the concentration of the buffer solution is 20-200 mM, and the PH is 6.5-9.5; uricase content 5-20 ku/liter; trinder's reagent B was 0.1-20 mM.
7. The preparation method of the uric acid kit for rapidly and simply eliminating the interference of calcium dobesilate and phenol sulfoethylamine medicaments in serum is characterized by comprising the following steps of:
and (3) preparing an R1 reagent:
weighing buffer solution, adding preservative, stirring and dissolving, regulating the PH to 8.0 by using sodium hydroxide or hydrochloric acid, adding oxidant, stirring and dissolving, regulating the PH to 8.0, adding Trinder's reactant A and nonionic surfactant, uniformly mixing, adding ascorbic acid oxidase and peroxidase at 2-8 ℃ for overnight, stirring and dissolving, detecting and subpackaging at 2-8 ℃ for overnight; the Trinder's reactant A is 4-aminoantipyrine, and the oxidant comprises any one of vanadium pentoxide, sodium ferrate, sodium metavanadate and vanadium oxychloride;
and (2) preparing an R2 reagent:
weighing buffer solution, adding preservative, stirring and dissolving, regulating pH to 8.0, adding Trinder's reactant B and surfactant, uniformly mixing, standing at 2-8 ℃ for night, adding serum albumin and uricase, uniformly mixing, standing at 2-8 ℃ for night, detecting and packaging, wherein the Trinder's reactant B is one or more than two of TOOS, DHBS, HDAOS, TBHBA, TOPS, TODB and 4-chlorophenol.
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CN202011578743.9A CN112522364B (en) | 2020-08-15 | 2020-08-15 | Uric acid kit for rapidly and simply eliminating interference of calcium dobesilate and phenol sulfoethylamine drugs in serum |
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CN202011578744.3A Active CN112522365B (en) | 2020-08-15 | 2020-08-15 | Preparation method of uric acid kit capable of eliminating interference of calcium dobesilate and phenol sulfoethylamine drugs in serum |
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CN112710609B (en) * | 2020-12-23 | 2022-03-04 | 中生北控生物科技股份有限公司 | Anti-chyle interference uric acid determination kit |
CN114441516A (en) * | 2021-12-20 | 2022-05-06 | 苏州百源基因技术有限公司 | Uric acid detection kit and preparation method thereof |
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CN111733211A (en) | 2020-10-02 |
CN112522365A (en) | 2021-03-19 |
CN111733211B (en) | 2021-02-02 |
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CN112522366B (en) | 2024-06-04 |
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Denomination of invention: A Rapid and Simple Uric Acid Kit for Eliminating the Interference of Calcium Hydroxybenzenesulfonate and Ethylphenidate Drugs in Serum Effective date of registration: 20231208 Granted publication date: 20230908 Pledgee: Zhongshan Torch High-tech Industrial Development Zone Branch of Agricultural Bank of China Co.,Ltd. Pledgor: Zhongshan BGH Biotechnology Co.,Ltd. Registration number: Y2023980070122 |