TNPSC Thervupettagam

Advanced PAP pen

October 11 , 2024 7 hrs 0 min 12 0
  • Scientists have developed a cost-effective technique for fabricating paper-based devices using an Advanced PAP (A-PAP) pen.
  • They have fabricated two-dimensional (2D) paper-based devices for chemical detection of heavy metal and nitrite.
  • The paper-based devices fabricated are distinguished by rapid, simple, and cost-effective fabrication.

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