WO2010057454A1 - Colonne monolithique comportant de l'avidine monomère immobilisée pour enrichir et identifier des espèces biotinylées - Google Patents
Colonne monolithique comportant de l'avidine monomère immobilisée pour enrichir et identifier des espèces biotinylées Download PDFInfo
- Publication number
- WO2010057454A1 WO2010057454A1 PCT/DE2009/001412 DE2009001412W WO2010057454A1 WO 2010057454 A1 WO2010057454 A1 WO 2010057454A1 DE 2009001412 W DE2009001412 W DE 2009001412W WO 2010057454 A1 WO2010057454 A1 WO 2010057454A1
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- WIPO (PCT)
- Prior art keywords
- avidin
- monolithic
- immobilized
- monolithic column
- groups
- Prior art date
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- 108090001008 Avidin Proteins 0.000 title claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 9
- 230000005526 G1 to G0 transition Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 16
- 239000000243 solution Substances 0.000 claims description 8
- 239000003153 chemical reaction reagent Substances 0.000 claims description 7
- 230000007935 neutral effect Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 125000003277 amino group Chemical group 0.000 claims description 5
- 125000003172 aldehyde group Chemical group 0.000 claims description 4
- 229960000789 guanidine hydrochloride Drugs 0.000 claims description 4
- PJJJBBJSCAKJQF-UHFFFAOYSA-N guanidinium chloride Chemical compound [Cl-].NC(N)=[NH2+] PJJJBBJSCAKJQF-UHFFFAOYSA-N 0.000 claims description 4
- 239000012442 inert solvent Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 125000003275 alpha amino acid group Chemical group 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- BQZJOQXSCSZQPS-UHFFFAOYSA-N 2-methoxy-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(OC)C(=O)C1=CC=CC=C1 BQZJOQXSCSZQPS-UHFFFAOYSA-N 0.000 claims description 2
- ZNZYKNKBJPZETN-WELNAUFTSA-N Dialdehyde 11678 Chemical compound N1C2=CC=CC=C2C2=C1[C@H](C[C@H](/C(=C/O)C(=O)OC)[C@@H](C=C)C=O)NCC2 ZNZYKNKBJPZETN-WELNAUFTSA-N 0.000 claims description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical class CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 2
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 239000012062 aqueous buffer Substances 0.000 claims description 2
- 238000010526 radical polymerization reaction Methods 0.000 claims description 2
- 238000003980 solgel method Methods 0.000 claims description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 2
- 229920002554 vinyl polymer Polymers 0.000 claims description 2
- 125000003700 epoxy group Chemical group 0.000 claims 2
- 125000003011 styrenyl group Chemical class [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 15
- YBJHBAHKTGYVGT-ZKWXMUAHSA-N (+)-Biotin Chemical compound N1C(=O)N[C@@H]2[C@H](CCCCC(=O)O)SC[C@@H]21 YBJHBAHKTGYVGT-ZKWXMUAHSA-N 0.000 description 14
- 108090000623 proteins and genes Proteins 0.000 description 12
- 102000004169 proteins and genes Human genes 0.000 description 12
- 238000004949 mass spectrometry Methods 0.000 description 11
- 238000004458 analytical method Methods 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- 239000002904 solvent Substances 0.000 description 8
- 229960002685 biotin Drugs 0.000 description 7
- 235000020958 biotin Nutrition 0.000 description 7
- 239000011616 biotin Substances 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 6
- 108090000765 processed proteins & peptides Proteins 0.000 description 6
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 6
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 230000003993 interaction Effects 0.000 description 5
- 102000004196 processed proteins & peptides Human genes 0.000 description 5
- 108091032973 (ribonucleotides)n+m Proteins 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 108020004414 DNA Proteins 0.000 description 4
- 102000053602 DNA Human genes 0.000 description 4
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 4
- 238000004128 high performance liquid chromatography Methods 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 241000894007 species Species 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229920000936 Agarose Polymers 0.000 description 3
- 239000007987 MES buffer Substances 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000012876 carrier material Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010828 elution Methods 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
- DBCAQXHNJOFNGC-UHFFFAOYSA-N 4-bromo-1,1,1-trifluorobutane Chemical compound FC(F)(F)CCCBr DBCAQXHNJOFNGC-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 2
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- -1 alkyl methacrylates Chemical class 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 108010063086 avidin-agarose Proteins 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 238000005251 capillar electrophoresis Methods 0.000 description 2
- 238000013375 chromatographic separation Methods 0.000 description 2
- 239000012501 chromatography medium Substances 0.000 description 2
- HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 description 2
- 238000004811 liquid chromatography Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 150000002924 oxiranes Chemical group 0.000 description 2
- 239000008363 phosphate buffer Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- BEOOHQFXGBMRKU-UHFFFAOYSA-N sodium cyanoborohydride Chemical compound [Na+].[B-]C#N BEOOHQFXGBMRKU-UHFFFAOYSA-N 0.000 description 2
- KTZVZZJJVJQZHV-UHFFFAOYSA-N 1-chloro-4-ethenylbenzene Chemical compound ClC1=CC=C(C=C)C=C1 KTZVZZJJVJQZHV-UHFFFAOYSA-N 0.000 description 1
- MXWKRRQIJLZWKH-UHFFFAOYSA-N 2-methyl-3-propoxy-3-trimethoxysilylprop-2-enoic acid Chemical compound CCCOC(=C(C(=O)O)C)[Si](OC)(OC)OC MXWKRRQIJLZWKH-UHFFFAOYSA-N 0.000 description 1
- POYODSZSSBWJPD-UHFFFAOYSA-N 2-methylprop-2-enoyloxy 2-methylprop-2-eneperoxoate Chemical compound CC(=C)C(=O)OOOC(=O)C(C)=C POYODSZSSBWJPD-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000002262 Schiff base Substances 0.000 description 1
- 150000004753 Schiff bases Chemical class 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000001042 affinity chromatography Methods 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- 238000000132 electrospray ionisation Methods 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 238000001506 fluorescence spectroscopy Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000001819 mass spectrum Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005319 nano flow HPLC Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000001742 protein purification Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 1
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 description 1
- XFVUECRWXACELC-UHFFFAOYSA-N trimethyl oxiran-2-ylmethyl silicate Chemical compound CO[Si](OC)(OC)OCC1CO1 XFVUECRWXACELC-UHFFFAOYSA-N 0.000 description 1
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 1
Classifications
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/281—Sorbents specially adapted for preparative, analytical or investigative chromatography
- B01J20/286—Phases chemically bonded to a substrate, e.g. to silica or to polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/261—Synthetic macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28042—Shaped bodies; Monolithic structures
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/305—Addition of material, later completely removed, e.g. as result of heat treatment, leaching or washing, e.g. for forming pores
- B01J20/3064—Addition of pore forming agents, e.g. pore inducing or porogenic agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3071—Washing or leaching
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3202—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
- B01J20/3206—Organic carriers, supports or substrates
- B01J20/3208—Polymeric carriers, supports or substrates
- B01J20/321—Polymeric carriers, supports or substrates consisting of a polymer obtained by reactions involving only carbon to carbon unsaturated bonds
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
- B01J20/3244—Non-macromolecular compounds
- B01J20/3246—Non-macromolecular compounds having a well defined chemical structure
- B01J20/3248—Non-macromolecular compounds having a well defined chemical structure the functional group or the linking, spacer or anchoring group as a whole comprising at least one type of heteroatom selected from a nitrogen, oxygen or sulfur, these atoms not being part of the carrier as such
- B01J20/3255—Non-macromolecular compounds having a well defined chemical structure the functional group or the linking, spacer or anchoring group as a whole comprising at least one type of heteroatom selected from a nitrogen, oxygen or sulfur, these atoms not being part of the carrier as such comprising a cyclic structure containing at least one of the heteroatoms nitrogen, oxygen or sulfur, e.g. heterocyclic or heteroaromatic structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
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- B01J20/3268—Macromolecular compounds
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- B01J2220/84—Capillaries
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
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- G01N30/02—Column chromatography
Definitions
- analytes prior to separation and analysis within a complex sample or, ideally, separate from interfering (matrix) substances.
- affinity chromatography has established itself as the method of choice. Since suitable interaction partners are available for a large number of analytes, their immobilization on a chromatographic medium allows specific analytes to be separated and / or accumulated in a targeted manner from complex mixtures.
- biotin / avidin system which, due to its extremely high interaction (K D ⁇ 10 "14 M) and its high specificity, is used for a variety of analytical questions, indeed the interaction between biotin and avidin which is native in the tetrameric state, so strong that biotin-derivatized species (eg, ssDNA, RNA, proteins, peptides, etc.) are often attached to an avidin-loaded medium and used for further experiments can only be eluted from the avidin-loaded medium by means of denaturing reagents, such as guanidine hydrochloride or sodium dodecyl sulfate, these extreme conditions are naturally not suitable if further investigations are to be carried out on the previously bound analytes (eg proteins), which is a natural folding of the protein conditional to be meaningful An example of this is protein expression, in which a biotin label is used to isolate and purify the expressed protein.
- analytes eg proteins
- agarose monomeric avidin bound to particles
- a major disadvantage of agarose materials is that they are broken down by bacteria and can only be poorly sterilized, making them poorly stored and allowing the analytes to be contaminated or degraded.
- polystyrene or SiO 2 particles are used, which, however, have a lower avidin capacity than the agarose materials and are incompatible with some biologically important ions.
- the particle format is unfavorable for LC / MS couplings, since it is only laborious to pack columns / Mirzaei, H., Proteomics, 2008, 8, 1516 /, which often have poor reproducibility due to the difficulty of the production process.
- the monolithic column according to the invention consists of:
- a monolithic separation medium prepared by: a) a radical polymerization, which is started by UV light or heat by means of appropriate reagents (eg ⁇ , ⁇ '-azobisisobutyronitrile, Benzoinmethylether), from acrylic acid derivatives (eg acrylamide), methacrylic acid derivatives (eg glycidyl methacrylate , Ethylene glycol dimethacrylate, alkyl methacrylates) and / or styrene derivatives (eg divinylbenzene, styrene, 4-chloro-styrene) in the presence of inert solvents (eg 1,4-butanediol, cyclohexanol, 1-dodecanol, 1-propanol) which are responsible for the pore properties of the Monoliths are in a pretreated with vinyl organosilicate (eg trimethoxysilyl-propyloxymethacrylate) quartz glass capillar
- organosilicates e.g., tetramethoxysilane, trimethoxy- (glycidyloxy) -silane
- inert solvents e.g., water, 1-propanol
- the monolithic carrier material thus prepared is used by flushing the pore-forming solvent and remaining monomers with an organic solvent for attachment of the avidin.
- various strategies are used for this: a) epoxy methacrylate monoliths:
- Native avidin can be immobilized on the monolith directly at neutral to weakly basic pH (pH: 7-9) using the free, terminal amino groups of the amino acid side chains by utilizing the epoxide groups.
- the epoxide groups of the monolith are reacted with amine derivatives (ammonia, 1,2-diaminoethane, etc.).
- amine derivatives ammonia, 1,2-diaminoethane, etc.
- the amine groups produced thereby react with a dialdehyde (glutaraldehyde, etc.), whereby aldehyde groups for an avidin bond are available on the monolith.
- the terminal amino groups of the amino acid side chains of the native avidin react at neutral to weakly basic pH (pH 7 - 9) with the aldehyde groups.
- the resulting Schiff base is reduced in a final step with a hydrogenation reagent (eg, sodium cyanoborohydride, sodium borohydride) to produce an amine bond that is stable over a wide pH range.
- a hydrogenation reagent eg, sodium cyanoborohydride, sodium borohydride
- monomeric avidin is generated from the immobilized, native (tetrameric) avidin.
- Denaturing reagents (8 M urea, 6 M guanidine hydrochloride (pH 1.5), 10% SDS) are pumped through the monolithic column, denaturing the tetrameric avidin and rinsing out non-monolith bound subunits.
- the monomeric avidin immobilized on the monolithic column is renatured by rinsing with aqueous buffer solutions having a neutral to weakly basic pH (pH 7-9) and stands for the reversible binding of biotin and biotinylated analytes (eg ssDNA, RNA, proteins, peptides, etc.).
- the immobilized monomeric avidin monolithic columns can be shortened to a particular length as needed and used for offline or online HPLC / MS experiments, as well as other analytical techniques (e.g., capillary electrophoresis).
- the process according to the invention produces a monolithic stationary phase with avidin for the first time since the process described in EP 0 423 938 Bl leads to a particle column which does not have the desired properties.
- the solution according to the invention combines in an outstanding manner the advantages of previously used systems: the use of monomeric avidin enables elution under approximately native conditions, the monolithic carrier material causes improved contact between the biotinylated analytes and the interaction partner avidin due to the excellent mass transfer Carrier material for liquid chromatography and capillary electrophoresis is founded.
- various detection methods such as UV spectroscopy, fluorescence spectroscopy and Especially the mass spectrometry results in an increase in the field of application, due to the high sensitivity of the individual methods.
- Exemplary embodiment 1 is a diagrammatic representation of Exemplary embodiment 1:
- a quartz glass capillary (internal diameter 100 .mu.m) is rinsed overnight with 1 M NaOH solution for activation and then washed with deionized water. • the activated capillary is now with a 50% solution (v / v) of [ ⁇ -
- the resulting monolith is purged with acetonitrile for 8 hours to remove the pore-forming solvents. Subsequently, the monolith is flushed with conc. Ammonia + 50% acetonitrile (16h), 50% acetonitrile (8h), 50wt% glutardialdehyde solution + 50% acetonitrile (16h), 25% acetonitrile (4h) and 0.1M phosphate buffer (pH 7, 4h) for loading with avidin prepared. Immobilization of the avidin is accomplished by purging the monolith with a solution of avidin (2.5 mg / mL) in 0.1 M phosphate buffer (pH 7) for 16 h.
- the monolithic immobilized monomer avidin column is equilibrated with 100% solvent A (10% ACN with 100 ⁇ M MES buffer pH 7.0) prior to the liquid chromatographic experiments, then the sample containing biotinylated analytes (eg ssDNA, RNA, proteins, peptides, etc .) are injected.
- a typical gradient for an HPLC / MS experiment is described below: 100% solvent A (10% ACN with 100 ⁇ M MES buffer pH 7) for 18 min, change over 2 min to 100% solvent B (50% ACN + 0.4% formic acid).
- FIGS. 1 and 2 are identical Legend to FIGS. 1 and 2:
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Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09771267A EP2485836A1 (fr) | 2008-10-09 | 2009-10-07 | Colonne monolithique comportant de l'avidine monomère immobilisée pour enrichir et identifier des espèces biotinylées |
DE112009003262T DE112009003262A5 (de) | 2008-10-09 | 2009-10-07 | Monolithische Säule mit immobilisiertem monomerem Avidin zur Anreicherung und Identifizierung biotinylierter Spezies |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200810050588 DE102008050588A1 (de) | 2008-10-09 | 2008-10-09 | Monolithische Säule mit immobilisiertem monomeren Avidin zur Anreicherung und Identifizierung biotinylierter Spezies |
DE102008050588.9 | 2008-10-09 |
Publications (1)
Publication Number | Publication Date |
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WO2010057454A1 true WO2010057454A1 (fr) | 2010-05-27 |
Family
ID=41820227
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Application Number | Title | Priority Date | Filing Date |
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PCT/DE2009/001412 WO2010057454A1 (fr) | 2008-10-09 | 2009-10-07 | Colonne monolithique comportant de l'avidine monomère immobilisée pour enrichir et identifier des espèces biotinylées |
Country Status (3)
Country | Link |
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EP (1) | EP2485836A1 (fr) |
DE (2) | DE102008050588A1 (fr) |
WO (1) | WO2010057454A1 (fr) |
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CN108114706A (zh) * | 2016-11-29 | 2018-06-05 | 中国科学院大连化学物理研究所 | 一种硅胶基质牛磺酸键合固定相及其制备和应用 |
FR3065376B1 (fr) * | 2017-04-25 | 2022-02-04 | Commissariat Energie Atomique | Procede de preparation d'une phase stationnaire monolithique, procedes de fabrication d'une colonne chromatographique et d'extraction associes |
CN108421542B (zh) * | 2018-03-22 | 2020-08-07 | 河南科技学院 | 液态金属微球作为致孔剂在制备整体柱中的应用 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0423938A1 (fr) * | 1989-09-29 | 1991-04-24 | Rohm And Haas Company | Milieu contenant un ligand pour la séparation chromatographique, son procédé de préparation et son utilisation pour isoler des molécules synthétiques ou naturelles de mélanges de fluides |
WO2002066135A1 (fr) * | 2001-02-20 | 2002-08-29 | Advion Biosciences, Inc. | Dispositif d'electronebulisation a micropuce et colonne comprenant des adsorbents d'affinite et utilisation |
-
2008
- 2008-10-09 DE DE200810050588 patent/DE102008050588A1/de not_active Ceased
-
2009
- 2009-10-07 WO PCT/DE2009/001412 patent/WO2010057454A1/fr active Application Filing
- 2009-10-07 DE DE112009003262T patent/DE112009003262A5/de not_active Withdrawn
- 2009-10-07 EP EP09771267A patent/EP2485836A1/fr not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0423938A1 (fr) * | 1989-09-29 | 1991-04-24 | Rohm And Haas Company | Milieu contenant un ligand pour la séparation chromatographique, son procédé de préparation et son utilisation pour isoler des molécules synthétiques ou naturelles de mélanges de fluides |
WO2002066135A1 (fr) * | 2001-02-20 | 2002-08-29 | Advion Biosciences, Inc. | Dispositif d'electronebulisation a micropuce et colonne comprenant des adsorbents d'affinite et utilisation |
Non-Patent Citations (6)
Title |
---|
H. ZOU: "Monolithic stationary phases for liquid chromatography and capillary electrochromatography", JOURNAL OF CHROMATOGRAPHY A, 19 April 2002 (2002-04-19), pages 5 - 32, XP002574792 * |
QIANG ZHAO: "Aptamer-Modified Monolithic Capillary Chromatography for Protein Separation and Detection", ANALYTICAL CHEMISTRY, vol. 80, 26 March 2008 (2008-03-26), pages 3915 - 3920, XP002574911 * |
R. MALLIK: "Affinity monolith chromatography", JOURNAL OF SEPARATION SCIENCE, vol. 29, 11 July 2006 (2006-07-11), pages 1686 - 1704, XP002574791 * |
S.L. WILLIAMS: "Affinity capture of a biotinylated retrovirus on macroporous monolithic adsorbents: Towards a rapid single-step purification process", BIOTECHNOLOGY AND BIOENGINEERING , JOHN WILEY AND SONS INC. US, vol. 89, no. 7, 30 March 2005 (2005-03-30), pages 783 - 787, XP002574384 * |
ZAIFA PAN: "Protein A immobilized monolithic capillary column for affinity chromatography", ANALYTICA CHIMICA ACTA, vol. 466, 21 August 2002 (2002-08-21), pages 141 - 150, XP002574920 * |
ZHEN LIU: "Physically adsorbed chiral stationary phase of avidin on monolithic silica column for capillary electrochromatography and capillary liquid chromatography", ELECTROPHORESIS, vol. 23, no. 17, September 2002 (2002-09-01), pages 2973 - 2981, XP002574383 * |
Also Published As
Publication number | Publication date |
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DE112009003262A5 (de) | 2013-04-25 |
EP2485836A1 (fr) | 2012-08-15 |
DE102008050588A1 (de) | 2010-04-15 |
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