JHU Applied Physics Laboratory

Tracy J. Terry, PhD JHUAPL Imprinted Chitosan for Nutrient Sequestration

Imprinted Chitosan Overview Use fishing industry by-products to treat agricultural waste!

Imprinted Chitosan Impact ,[object Object],[object Object],[object Object],[object Object],[object Object]

Chitosan – EPA/FDA Approved Environmentally Safe and Biocompatible ,[object Object],[object Object],Used in Iraq and Afghanistan. Used to fight Pine Beetles infestations. ,[object Object],[object Object],Chesapeake Bay Program

Imprinted Chitosan Imprinting Targets ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Imprinted Chitosan Methods for Use ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Photo by Stephen Ausmus. Science Daily Chesapeake Bay Program Chesapeake Bay Program

Imprinted Chitosan Imprinting Process Chitosan Chitosan Imprinted Chitosan Treat Waste Imprint Relax the Polymer Add Scaffolding Remove Imprint Recycle

Imprinted Chitosan Results ,[object Object],[object Object],[object Object],[object Object],[object Object],Phosphate Uptake of Phosphate Phosphate (wt %) pH = 4 pH = 7 pH = 8 Chitosan 1.61 0.47 0.15 Phosphate Imprinted Chitosan 2.00 0.79 0.46 % Improvement [(PIC-C)/C *100] 25 70 200

Imprinted Chitosan Future Work ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Nitrate Phosphate Arsenite Arsenate

Imprinted Chitosan Contact Information Tracy J. Terry, PhD [email_address] Heather Curran [email_address] Acknowledgements: This work was supported by the Office of Technology Transfer and the Technical Services Department of JHUAPL.

JHU Applied Physics Laboratory

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