CN111088248B - 一种用于提取无内毒素质粒的磁性材料及其使用方法 - Google Patents
一种用于提取无内毒素质粒的磁性材料及其使用方法 Download PDFInfo
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- CN111088248B CN111088248B CN201911339810.9A CN201911339810A CN111088248B CN 111088248 B CN111088248 B CN 111088248B CN 201911339810 A CN201911339810 A CN 201911339810A CN 111088248 B CN111088248 B CN 111088248B
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- buffer
- hydroxyethyl cellulose
- quaternary ammonium
- ammonium salt
- endotoxin
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- 239000013612 plasmid Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000000696 magnetic material Substances 0.000 title abstract description 9
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 50
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 50
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 49
- 239000000872 buffer Substances 0.000 claims description 31
- 150000003242 quaternary ammonium salts Chemical group 0.000 claims description 30
- 239000000243 solution Substances 0.000 claims description 30
- 239000006249 magnetic particle Substances 0.000 claims description 26
- PUVAFTRIIUSGLK-UHFFFAOYSA-M trimethyl(oxiran-2-ylmethyl)azanium;chloride Chemical group [Cl-].C[N+](C)(C)CC1CO1 PUVAFTRIIUSGLK-UHFFFAOYSA-M 0.000 claims description 25
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000006228 supernatant Substances 0.000 claims description 14
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 claims description 14
- 239000007993 MOPS buffer Substances 0.000 claims description 12
- 239000011780 sodium chloride Substances 0.000 claims description 12
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 11
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 11
- 229940044631 ferric chloride hexahydrate Drugs 0.000 claims description 10
- 229960002089 ferrous chloride Drugs 0.000 claims description 10
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 claims description 10
- NQXWGWZJXJUMQB-UHFFFAOYSA-K iron trichloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].Cl[Fe+]Cl NQXWGWZJXJUMQB-UHFFFAOYSA-K 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 7
- 241000894006 Bacteria Species 0.000 claims description 6
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 claims description 6
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 150000003973 alkyl amines Chemical class 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 4
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical group [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 claims description 4
- 229960000583 acetic acid Drugs 0.000 claims description 3
- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 claims description 3
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 3
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 3
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 claims description 3
- QKNYBSVHEMOAJP-UHFFFAOYSA-N 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydron;chloride Chemical group Cl.OCC(N)(CO)CO QKNYBSVHEMOAJP-UHFFFAOYSA-N 0.000 claims description 2
- LRWZZZWJMFNZIK-UHFFFAOYSA-N 2-chloro-3-methyloxirane Chemical compound CC1OC1Cl LRWZZZWJMFNZIK-UHFFFAOYSA-N 0.000 claims description 2
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical group OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 2
- 239000012362 glacial acetic acid Substances 0.000 claims description 2
- 235000011056 potassium acetate Nutrition 0.000 claims description 2
- 229940071826 hydroxyethyl cellulose Drugs 0.000 claims 1
- 239000002158 endotoxin Substances 0.000 abstract description 17
- 238000000605 extraction Methods 0.000 abstract description 17
- 238000002474 experimental method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000011160 research Methods 0.000 abstract description 2
- 239000011324 bead Substances 0.000 description 23
- 239000003153 chemical reaction reagent Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 125000002091 cationic group Chemical group 0.000 description 8
- 102000039446 nucleic acids Human genes 0.000 description 8
- 108020004707 nucleic acids Proteins 0.000 description 8
- 150000007523 nucleic acids Chemical class 0.000 description 8
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 6
- 229910021641 deionized water Inorganic materials 0.000 description 6
- 238000002329 infrared spectrum Methods 0.000 description 6
- 238000005342 ion exchange Methods 0.000 description 6
- 238000005303 weighing Methods 0.000 description 6
- 229920000858 Cyclodextrin Polymers 0.000 description 5
- -1 hydroxyethyl groups Chemical group 0.000 description 5
- 229910052786 argon Inorganic materials 0.000 description 4
- 238000000502 dialysis Methods 0.000 description 4
- IDOQDZANRZQBTP-UHFFFAOYSA-N 2-[2-(2,4,4-trimethylpentan-2-yl)phenoxy]ethanol Chemical group CC(C)(C)CC(C)(C)C1=CC=CC=C1OCCO IDOQDZANRZQBTP-UHFFFAOYSA-N 0.000 description 3
- 108010093965 Polymyxin B Proteins 0.000 description 3
- 239000013504 Triton X-100 Substances 0.000 description 3
- 229920004890 Triton X-100 Polymers 0.000 description 3
- 229920004929 Triton X-114 Polymers 0.000 description 3
- 229920003086 cellulose ether Polymers 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000003472 neutralizing effect Effects 0.000 description 3
- 229920000024 polymyxin B Polymers 0.000 description 3
- 229960005266 polymyxin b Drugs 0.000 description 3
- 239000012265 solid product Substances 0.000 description 3
- 238000001291 vacuum drying Methods 0.000 description 3
- DVLFYONBTKHTER-UHFFFAOYSA-N 3-(N-morpholino)propanesulfonic acid Chemical compound OS(=O)(=O)CCCN1CCOCC1 DVLFYONBTKHTER-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000239218 Limulus Species 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 229940097362 cyclodextrins Drugs 0.000 description 2
- 238000011013 endotoxin removal Methods 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 229920006008 lipopolysaccharide Polymers 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- HFHDHCJBZVLPGP-UHFFFAOYSA-N schardinger α-dextrin Chemical compound O1C(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(O)C2O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC2C(O)C(O)C1OC2CO HFHDHCJBZVLPGP-UHFFFAOYSA-N 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000009210 therapy by ultrasound Methods 0.000 description 2
- 238000001890 transfection Methods 0.000 description 2
- 241000588724 Escherichia coli Species 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003593 chromogenic compound Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 150000001923 cyclic compounds Chemical class 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009881 electrostatic interaction Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- GDSRMADSINPKSL-HSEONFRVSA-N gamma-cyclodextrin Chemical compound OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO GDSRMADSINPKSL-HSEONFRVSA-N 0.000 description 1
- 229940080345 gamma-cyclodextrin Drugs 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 150000002772 monosaccharides Chemical class 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 150000003904 phospholipids Chemical class 0.000 description 1
- 229920001184 polypeptide Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 108090000765 processed proteins & peptides Proteins 0.000 description 1
- 102000004196 processed proteins & peptides Human genes 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
- C12N15/09—Recombinant DNA-technology
- C12N15/10—Processes for the isolation, preparation or purification of DNA or RNA
- C12N15/1003—Extracting or separating nucleic acids from biological samples, e.g. pure separation or isolation methods; Conditions, buffers or apparatuses therefor
- C12N15/1006—Extracting or separating nucleic acids from biological samples, e.g. pure separation or isolation methods; Conditions, buffers or apparatuses therefor by means of a solid support carrier, e.g. particles, polymers
- C12N15/1013—Extracting or separating nucleic acids from biological samples, e.g. pure separation or isolation methods; Conditions, buffers or apparatuses therefor by means of a solid support carrier, e.g. particles, polymers by using magnetic beads
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B11/00—Preparation of cellulose ethers
- C08B11/02—Alkyl or cycloalkyl ethers
- C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
- C08B11/14—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with nitrogen-containing groups
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Genetics & Genomics (AREA)
- Biomedical Technology (AREA)
- Organic Chemistry (AREA)
- Biochemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Wood Science & Technology (AREA)
- General Engineering & Computer Science (AREA)
- Zoology (AREA)
- Biotechnology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Biophysics (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Polymers & Plastics (AREA)
- Molecular Biology (AREA)
- Plant Pathology (AREA)
- Medicinal Chemistry (AREA)
- Microbiology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1922319A (zh) * | 2004-02-26 | 2007-02-28 | 通用电气健康护理生物科学股份公司 | 质粒纯化 |
CN101006170A (zh) * | 2004-04-19 | 2007-07-25 | 森特利昂公司 | 纯化质粒dna的方法 |
CN102171341A (zh) * | 2008-04-30 | 2011-08-31 | 格兰达利斯有限公司 | 高纯度质粒dna制备物及其制备方法 |
CN105561945A (zh) * | 2016-03-13 | 2016-05-11 | 宿州学院 | 一种纤维改性磁性复合材料及其制备方法 |
CN108148831A (zh) * | 2018-01-15 | 2018-06-12 | 南京驯鹿医疗技术有限公司 | 一种无内毒素质粒大量制备工艺 |
-
2019
- 2019-12-23 CN CN201911339810.9A patent/CN111088248B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1922319A (zh) * | 2004-02-26 | 2007-02-28 | 通用电气健康护理生物科学股份公司 | 质粒纯化 |
CN101006170A (zh) * | 2004-04-19 | 2007-07-25 | 森特利昂公司 | 纯化质粒dna的方法 |
CN102171341A (zh) * | 2008-04-30 | 2011-08-31 | 格兰达利斯有限公司 | 高纯度质粒dna制备物及其制备方法 |
CN105561945A (zh) * | 2016-03-13 | 2016-05-11 | 宿州学院 | 一种纤维改性磁性复合材料及其制备方法 |
CN108148831A (zh) * | 2018-01-15 | 2018-06-12 | 南京驯鹿医疗技术有限公司 | 一种无内毒素质粒大量制备工艺 |
Non-Patent Citations (4)
Title |
---|
Capillary Electrophoresis of Supercoiled and Linear DNA in Dilute Hydroxyethyl Cellulose Solution;Richard W. Hammond et al.;《Anal.Chem.》;19971231;1192-1196 * |
李海量.聚合物修饰的叶酸靶向磁性纳米传递系统的制备及其对鼻咽癌的抑制和成像作用.《中国博士学位论文全文数据库 医药卫生科技辑》.2017,E079-8. * |
聚合物修饰的叶酸靶向磁性纳米传递系统的制备及其对鼻咽癌的抑制和成像作用;李海量;《中国博士学位论文全文数据库 医药卫生科技辑》;20171115;E079-8 * |
阳离子化羟乙基纤维素醚的合成与溶液性质;梁亚琴 等;《日用化学工业》;20060831;第36卷(第4期);213-215 * |
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Denomination of invention: A magnetic material for extracting endotoxin free plasmid and its application method Effective date of registration: 20221215 Granted publication date: 20201016 Pledgee: China Construction Bank Corporation Guangzhou Development Zone Branch Pledgor: Guangzhou Bay Area Biotechnology Co.,Ltd. Registration number: Y2022980027549 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231109 Granted publication date: 20201016 Pledgee: China Construction Bank Corporation Guangzhou Development Zone Branch Pledgor: Guangzhou Bay Area Biotechnology Co.,Ltd. Registration number: Y2022980027549 |