Sophie De Respino, Shaina Field-Farias, Harekrushna Behera, Hyeonji Oh, Lettie A. Smith, Hugh Daigle, Xun Zhan, Jiho Kang, Laxmicharan Samineni, Delia J. Milliron, Charles Buddie Mullins and Manish Kumar*,
{"title":"Moringa oleifera Protein-Functionalized Diatomaceous Earth for Nanoparticle Removal","authors":"Sophie De Respino, Shaina Field-Farias, Harekrushna Behera, Hyeonji Oh, Lettie A. Smith, Hugh Daigle, Xun Zhan, Jiho Kang, Laxmicharan Samineni, Delia J. Milliron, Charles Buddie Mullins and Manish Kumar*, ","doi":"10.1021/acsestwater.4c00753","DOIUrl":null,"url":null,"abstract":"<p >Nanoparticles (NPs) are present in the environment because of the widespread use of engineered nanomaterials and the breakdown of plastic waste. NPs can negatively impact human health, and water treatment plants lack treatment trains that are optimized for NP removal. Thus, there is a crucial need for a low-cost, effective NP removal technology. We fabricated a low-cost filter using diatomaceous earth (DE) and cationic proteins extracted from <i>Moringa oleifera</i> (MO) seeds. These filters achieve 4.9 log removal of a palladium-doped plastic NP and greater than 2.9 log removal of silver NPs and polystyrene latex particles. Moringa protein-functionalized filters can be utilized to remove NPs in a variety of applications such as for point-of-use drinking water treatment, washing machine effluent filtration, or municipal water treatment.</p>","PeriodicalId":93847,"journal":{"name":"ACS ES&T water","volume":"5 2","pages":"678–685 678–685"},"PeriodicalIF":4.3000,"publicationDate":"2025-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"ACS ES&T water","FirstCategoryId":"1085","ListUrlMain":"https://pubs.acs.org/doi/10.1021/acsestwater.4c00753","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENVIRONMENTAL SCIENCES","Score":null,"Total":0}
引用次数: 0
Abstract
Nanoparticles (NPs) are present in the environment because of the widespread use of engineered nanomaterials and the breakdown of plastic waste. NPs can negatively impact human health, and water treatment plants lack treatment trains that are optimized for NP removal. Thus, there is a crucial need for a low-cost, effective NP removal technology. We fabricated a low-cost filter using diatomaceous earth (DE) and cationic proteins extracted from Moringa oleifera (MO) seeds. These filters achieve 4.9 log removal of a palladium-doped plastic NP and greater than 2.9 log removal of silver NPs and polystyrene latex particles. Moringa protein-functionalized filters can be utilized to remove NPs in a variety of applications such as for point-of-use drinking water treatment, washing machine effluent filtration, or municipal water treatment.
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