Highly Sensitive Detection of Trace Tetracycline in Water Using a Metal-Organic Framework-Enabled Sensor

<div>(a) The peak current values of DPVs of 1.278 <i>μ</i>M tetracycline in 1 M H<sub>2</sub>SO<sub>4</sub> over 7 different MIL-53 (Fe)/GCEs. (b) The CVs of 0.641 <i>μ</i>M tetracycline in 1 M H<sub>2</sub>SO<sub>4</sub> detected by MIL-53 (Fe)/GCE in the first and 100th cycle. (c) The <svg height="14.0004pt" id="M29" style="vertical-align:-5.3645pt" version="1.1" viewbox="-0.0498162 -8.6359 10.1207 14.0004" width="10.1207pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M405 650H141L135 622C222 616 230 610 215 535L133 116C118 41 113 33 29 28L23 0H289L295 28C209 33 205 40 219 116L298 535C312 609 317 616 399 622L405 650Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,4.719,3.132)"><path d="M169 380V459C122 440 66 423 24 416V392C86 384 90 382 90 317V-135C90 -201 81 -207 17 -213V-240H253V-213C176 -207 169 -201 169 -125V6C182 -1 208 -11 238 -12C368 12 487 109 487 260C487 358 421 449 310 449C298 449 279 444 261 433L169 380ZM169 346C196 367 237 389 269 389C341 389 403 329 403 221C403 109 347 37 263 37C228 37 191 53 169 76V346Z"></path></g></svg> values of DPVs of 1.278 <i>μ</i>M tetracycline in 1 M H<sub>2</sub>SO<sub>4</sub> over MIL-53 (Fe)/GCE and that after 3 weeks.</div>

Adsorption Science & Technology

fig7

Figure 7

Figure 7: Highly Sensitive Detection of Trace Tetracycline in Water Using a Metal-Organic Framework-Enabled Sensor 