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   _____   __   __    ____       ___              
  / ___//  \ \\/ //  |  _ \\    / _ \\    ____    
  \___ \\   \ ` //   | |_| ||  | / \ ||  |    \\  
  /    //    | ||    | .  //   | \_/ ||  | [] ||  
 /____//     |_||    |_|\_\\    \___//   |  __//  
`-----`      `-`'    `-` --`    `---`    |_|`-`   
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Text this: Electrospun regenerated cellulose nanofiber affinity membrane functionalized with protein A/G for IgG purification