NDSU logo

NDSU Repository

View Item 
  •   NDSU Repository Home
  • NDSU Theses & Dissertations
  • Environmental & Conservation Sciences
  • Environmental & Conservation Sciences Masters Theses
  • View Item
  •   NDSU Repository Home
  • NDSU Theses & Dissertations
  • Environmental & Conservation Sciences
  • Environmental & Conservation Sciences Masters Theses
  • View Item
JavaScript is disabled for your browser. Some features of this site may not work without it.

Photodegradation of (E)- and (Z)-Endoxifen: Kinetics, By-Products Identification and Toxicity Assessment

Thumbnail
Author/Creator
Arino Martin, Marina
More Information
Show full item record

View/Open

Photodegradation of (E)- and (Z)-Endoxifen Kinetics, By-Products Identification and Toxicity Assessment.pdf (4.181Mb)
Abstract
Endoxifen is an effective metabolite of tamoxifen, a commonly used chemotherapy drug, and has been detected at the final effluent of a municipal wastewater treatment plant (WWTP). Its presence in the environment could bring negative effects to aquatic lives. This research investigated the use of ultraviolet radiation (253.7 nm) and natural sunlight to photodegrade endoxifen in water and wastewater, the generation of photodegradation by-products (PBPs) and their toxicity. Endoxifen concentration in water was reduced by 99.1% after 35 seconds of UV light generating two toxic PBPs. Experiments in wastewater at UV light doses used for disinfection resulted in reduction of endoxifen by 30 to 71%. Endoxifen concentration in wastewater was reduced by at least 83% after 150 minutes of solar radiation generating eight PBPs. Seven of these PBPs are potentially more toxic than endoxifen itself. Therefore, highly toxic PBPs are potentially generated at WWTPs if endoxifen is present in wastewater.
URI
https://hdl.handle.net/10365/28758
Collections
  • Environmental & Conservation Sciences Masters Theses

Student Focused, Land Grant, Research Institution

  • Campus Map
    • Campus Map (pdf)
    • Building list
    • Campus Offices
  • Equity
  • Employment
  • Phone/Email Directory
  • Online Services
    • Blackboard
    • One Stop
    • Campus Connection
    • IT Help Desk
    • Libraries
    • Email
    • Student Success Collaborative
  • Registration And Records
    • Course Schedule
    • Dates and Deadlines
North Dakota State University - Libraries
Circulation: (701) 231-8888 | Reference: (701) 231-8886
Administration: (701) 231-8753
Main Library address: 1201 Albrecht Boulevard
Mailing address: Dept #2080 PO Box 6050, Fargo, ND 58108-6050
Site manager: Site manager
Contact Us | Send Feedback
 
Advanced Search

Browse

All of NDSU RepositoryCommunities & CollectionsBy Issue DateAuthorsTitlesSubjectsThis CollectionBy Issue DateAuthorsTitlesSubjects

My Account

Login

Student Focused, Land Grant, Research Institution

  • Campus Map
    • Campus Map (pdf)
    • Building list
    • Campus Offices
  • Equity
  • Employment
  • Phone/Email Directory
  • Online Services
    • Blackboard
    • One Stop
    • Campus Connection
    • IT Help Desk
    • Libraries
    • Email
    • Student Success Collaborative
  • Registration And Records
    • Course Schedule
    • Dates and Deadlines
North Dakota State University - Libraries
Circulation: (701) 231-8888 | Reference: (701) 231-8886
Administration: (701) 231-8753
Main Library address: 1201 Albrecht Boulevard
Mailing address: Dept #2080 PO Box 6050, Fargo, ND 58108-6050
Site manager: Site manager
Contact Us | Send Feedback