Een protocol voor de in vitro selectie en karakterisering van groepsspecifieke ftaalzuur ester-binding DNA aptamers wordt gepresenteerd. De toepassing van de geselecteerde aptamer in een elektrochemische aptasensor is ook inbegrepen.
Method Article
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| Name | Company | Catalog Number | Comments |
|---|---|---|---|
| UV-2550 | Shimadzu,Japan | protocol, section 3.8.2 | |
| DNA Engnine Thermal cycler,PTC0200 | BIO-RAD | section 3.5.1.2 and 3.5.2 | |
| C1000 Touch | BIO-RAD | section 5.3.6 and 6.3 | |
| VMP3 multichannel potentiostat | Bio-Logic Science, Claix, France | section 7.4,7.8 and 7.11 | |
| Epoxy-activated Sepharose 6B | GE Healthcare (Piscataway, NJ, USA) | 10220020 | argarose beads, section 2.3 and 3.3 |
| Dynabeads M-270 carboxylic acid magnetic beads | Invitrogen, USA | 420420 | magnetic beads,section 5.2. and 5.3 |
| Premix Taq Hot Start Version | Takara,Dalian,China | R028A | polymerase, section 3.5.1.1 |
| PARAFILM Sealing Membrane | Bemis, USA | PM-996 | section 3.6.5 |
| Lambda Exonuclease | Invitrogen, USA | EN0561 | section3.7.1.2.The 10 × reaction buffer is provided along with λ exonuclease by the provider. |
| Dr. GenTLE Precipitation Carrier | Takara,Dalian,China | 9094 | section 3.6.2 and 3.8.1 |
| UNIQ-10 PAGE DNA recovery kit | Sangon Biotech (Shanghai) | B511135 | section 4.2 |
| SYBR Gold nucleic acid gel stain | Invitrogen, USA | 1811838 | nucelic acid stain dye, section 3.5.1.5 |
| SYBR Premix Ex Taq II | Takara,Dalian,China | RR820A | polymerase mix contaning polymerase and dNTPs, section 5.3.5 |
| 2-(N-Morpholino)ethanesulfonic acid (MES) | Sigma-Aldrich | CAS: 1132-61-2 | section 5.2.1 |
| 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride (EDC) | Invitrogen, USA | CAS: 25952-53-8 | section 5.2.2 |
| N-hydroxysuccinimide (NHS) | Sigma-Aldrich | 6066-82-6 | section 5.2.3 |
| mercaptohexanol (MCH) | Sigma-Aldrich | CAS: 1633-78-9 | section 7.7 |
| Gold electrode | Shanghai Chenhua | CHI101 | section 7.4. - 7.11 |
| tris(2-carboxyethyl) phosphine hydrochloride (TCEP) | Sigma-Aldrich | CAS: 51805-45-9 | section 7.5 |
| O-(2-Mercaptoethyl)-O'-methyl-hexa-(ethylene glycol) | Sigma-Aldrich | CAS: 651042-82-9 | section 7.7 |
| diethylhexyl phthalate (DEHP) | National Institute of Metrology, China | CAS: 117-81-7 | section 7.11 |
| Tween 20 | Sigma-Aldrich | CAS: 9005-64-5 | polyoxyethy-lene(20) sorbaitan monolaurate |
| Triton X-100 | Sigma-Aldrich | CAS: 9002-93-1 | non-ionic surface active agent |
| PBS | Sigma-Aldrich | P5368 | 10 mM phosphate buffer containing 1 M NaCl, pH 7.4 |
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