Statistical Optimization of the Use of a Multifunctional Adsorbent for Carbendazim Removal and Investigation of Microorganism Adsorption

Project no. 32268 · Status: Kapanmış · 2024

Summary

<p>Carbendazim&nbsp;is&nbsp;a&nbsp;pesticide&nbsp;widely&nbsp;used&nbsp;as&nbsp;a&nbsp;fungicide&nbsp;in&nbsp;various&nbsp;fruit&nbsp;and&nbsp;vegetable&nbsp;products,&nbsp;and&nbsp;its&nbsp;residues&nbsp;can&nbsp;accumulate&nbsp;in&nbsp;plants,&nbsp;soil,&nbsp;and&nbsp;water&nbsp;resources,&nbsp;posing&nbsp;a&nbsp;threat&nbsp;to&nbsp;human&nbsp;health.&nbsp;This&nbsp;pesticide&nbsp;can&nbsp;enter&nbsp;ecological&nbsp;systems&nbsp;from&nbsp;various&nbsp;sources&nbsp;and&nbsp;may&nbsp;subsequently&nbsp;propagate&nbsp;through&nbsp;the&nbsp;food&nbsp;chain.&nbsp;Therefore,&nbsp;the&nbsp;determination/removal&nbsp;of&nbsp;carbendazim&nbsp;in&nbsp;environmental&nbsp;samples&nbsp;is&nbsp;of&nbsp;great&nbsp;importance&nbsp;for&nbsp;human&nbsp;and&nbsp;animal&nbsp;health&nbsp;as&nbsp;well&nbsp;as&nbsp;for&nbsp;environmental&nbsp;sustainability.</p><p>Common&nbsp;sources&nbsp;of&nbsp;bacterial&nbsp;contamination&nbsp;include&nbsp;wastewater,&nbsp;animal&nbsp;waste,&nbsp;and&nbsp;landfill&nbsp;sites.&nbsp;Humans&nbsp;may&nbsp;be&nbsp;exposed&nbsp;to&nbsp;these&nbsp;bacteria&nbsp;through&nbsp;the&nbsp;consumption&nbsp;of&nbsp;contaminated&nbsp;food&nbsp;and&nbsp;beverages,&nbsp;contact&nbsp;with&nbsp;polluted&nbsp;water,&nbsp;or&nbsp;inhalation,&nbsp;potentially&nbsp;leading&nbsp;to&nbsp;serious&nbsp;health&nbsp;problems.&nbsp;For&nbsp;this&nbsp;reason,&nbsp;preventing&nbsp;or&nbsp;controlling&nbsp;pathogenic&nbsp;bacterial&nbsp;contamination&nbsp;in&nbsp;environmental&nbsp;samples&nbsp;is&nbsp;critically&nbsp;important.</p><p>In&nbsp;recent&nbsp;years,&nbsp;the&nbsp;number&nbsp;of&nbsp;studies&nbsp;involving&nbsp;multifunctional&nbsp;adsorbents&nbsp;has&nbsp;increased&nbsp;significantly,&nbsp;and&nbsp;the&nbsp;use&nbsp;of&nbsp;new&nbsp;adsorbents&nbsp;for&nbsp;the&nbsp;determination/removal&nbsp;of&nbsp;multiple&nbsp;pollutants&nbsp;has&nbsp;gained&nbsp;considerable&nbsp;attention.&nbsp;Within&nbsp;the&nbsp;scope&nbsp;of&nbsp;the&nbsp;proposed&nbsp;project,&nbsp;a&nbsp;magnetic&nbsp;alginate/chamotte&nbsp;clay&nbsp;adsorbent&nbsp;will&nbsp;be&nbsp;synthesized,&nbsp;and&nbsp;it&nbsp;will&nbsp;be&nbsp;used&nbsp;for&nbsp;the&nbsp;adsorption&nbsp;of&nbsp;both&nbsp;the&nbsp;carbendazim&nbsp;pesticide&nbsp;and&nbsp;microorganisms.</p><p>The&nbsp;aim&nbsp;of&nbsp;the&nbsp;study&nbsp;is&nbsp;to&nbsp;introduce&nbsp;the&nbsp;produced&nbsp;adsorbent&nbsp;to&nbsp;the&nbsp;literature&nbsp;as&nbsp;an&nbsp;alternative&nbsp;material&nbsp;for&nbsp;pesticide&nbsp;and&nbsp;microorganism&nbsp;determination/removal.&nbsp;This&nbsp;adsorbent,&nbsp;which&nbsp;has&nbsp;not&nbsp;previously&nbsp;been&nbsp;used&nbsp;for&nbsp;pollutant&nbsp;determination/removal,&nbsp;is&nbsp;expected&nbsp;to&nbsp;provide&nbsp;an&nbsp;important&nbsp;alternative&nbsp;for&nbsp;the&nbsp;detection&nbsp;of&nbsp;trace-level&nbsp;pollutants&nbsp;in&nbsp;various&nbsp;samples&nbsp;due&nbsp;to&nbsp;its&nbsp;reusability,&nbsp;simple&nbsp;and&nbsp;rapid&nbsp;production,&nbsp;and&nbsp;low&nbsp;cost.</p><p>The&nbsp;characterization&nbsp;of&nbsp;the&nbsp;synthesized&nbsp;adsorbent&nbsp;will&nbsp;be&nbsp;carried&nbsp;out&nbsp;using&nbsp;ATR-FTIR,&nbsp;XRD,&nbsp;SEM-EDS,&nbsp;DMA,&nbsp;and&nbsp;XPS&nbsp;techniques.&nbsp;Within&nbsp;the&nbsp;scope&nbsp;of&nbsp;the&nbsp;project,&nbsp;the&nbsp;determination&nbsp;of&nbsp;carbendazim&nbsp;will&nbsp;be&nbsp;performed&nbsp;spectrofluorimetrically&nbsp;by&nbsp;measuring&nbsp;its&nbsp;natural&nbsp;fluorescence&nbsp;(λex:&nbsp;285&nbsp;nm).&nbsp;The&nbsp;most&nbsp;influential&nbsp;parameters&nbsp;affecting&nbsp;adsorption&nbsp;efficiency&nbsp;will&nbsp;first&nbsp;be&nbsp;identified&nbsp;using&nbsp;the&nbsp;Plackett–Burman&nbsp;design,&nbsp;and&nbsp;the&nbsp;optimization&nbsp;of&nbsp;the&nbsp;selected&nbsp;parameters&nbsp;will&nbsp;subsequently&nbsp;be&nbsp;performed&nbsp;using&nbsp;the&nbsp;Response&nbsp;Surface&nbsp;Methodology&nbsp;(RSM).&nbsp;The&nbsp;adsorption&nbsp;efficiency&nbsp;of&nbsp;bacteria&nbsp;will&nbsp;be&nbsp;determined&nbsp;by&nbsp;measuring&nbsp;the&nbsp;density&nbsp;of&nbsp;the&nbsp;solution&nbsp;(OD600).</p><p></p>

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