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Sökning: WFRF:(Gentry Joshua)

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1.
  • Partelow, Stefan, et al. (författare)
  • Aquaculture governance : five engagement arenas for sustainability transformation
  • 2023
  • Ingår i: Current Opinion in Environmental Sustainability. - 1877-3435 .- 1877-3443. ; 65
  • Tidskriftsartikel (refereegranskat)abstract
    • A greater focus on governance is needed to facilitate effective and substantive progress toward sustainability transformations in the aquaculture sector. Concerted governance efforts can help move the sector beyond fragmented technical questions associated with intensification and expansion, social and environmental impacts, and toward system-based approaches that address interconnected sustainability issues. Through a review and expert-elicitation process, we identify five engagement arenas to advance a governance agenda for aquaculture sustainability transformation: (1) setting sustainability transformation goals, (2) cross-sectoral linkages, (3) land–water–sea connectivity, (4) knowledge and innovation, and (5) value chains. We then outline the roles different actors and modes of governance can play in fostering sustainability transformations, and discuss action items for researchers, practitioners, and policymakers to operationalize activities within their engagement arenas.
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  • Rinne, Sara S., et al. (författare)
  • Increase in negative charge of Ga-68/chelator complex reduces unspecific hepatic uptake but does not improve imaging properties of HER3-targeting affibody molecules
  • 2019
  • Ingår i: Scientific Reports. - : Nature Publishing Group. - 2045-2322. ; 9
  • Tidskriftsartikel (refereegranskat)abstract
    • Upregulation of the human epidermal growth factor receptor type 3 (HER3) is a common mechanism to bypass HER-targeted cancer therapy. Affibody-based molecular imaging has the potential for detecting and monitoring HER3 expression during treatment. In this study, we compared the imaging properties of newly generated Ga-68-labeled anti-HER3 affibody molecules (HE)(3)-Z(HER3)-DOTA and (HE)(3)-Z(HER3)-DOTAGA with previously reported [Ga-68]Ga-(HE)(3)-Z(HER3)-NODAGA. We hypothesized that increasing the negative charge of the gallium-68/chelator complex would reduce hepatic uptake, which could lead to improved contrast of anti-HER3 affibody-based PET-imaging of HER3 expression. (HE)(3)-Z(HER3)-X (X = DOTA, DOTAGA) were produced and labeled with gallium-68. Binding of the new conjugates was specific in HER3 expressing BxPC-3 and DU145 human cancer cells. Biodistribution and in vivo specificity was studied in BxPC-3 xenograft bearing Balb/c nu/nu mice 3 h pi. DOTA- and DOTAGA-containing conjugates had significantly higher concentration in blood than [Ga-68]Ga-(HE)(3)-Z(HER3)-NODAGA. Presence of the negatively charged Ga-68-DOTAGA complex reduced the unspecific hepatic uptake, but did not improve overall biodistribution of the conjugate. [Ga-68]Ga-(HE)(3)-Z(HER3)-DOTAGA and [Ga-68]Ga-(HE)(3)-Z(HER3)-NODAGA had similar tumor-to-liver ratios, but [Ga-68]Ga-(HE)(3)-Z(HER3)-NODAGA had the highest tumor uptake and tumor-to-blood ratio among the tested conjugates. In conclusion, [Ga-68] Ga-(HE)(3)-Z(HER3)-NODAGA remains the favorable variant for PET imaging of HER3 expression.
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