DataVXACS Applied Materials & InterfacesPaper
journal article·2017-03-22

Sequential Growth of NaYF4:Yb/Er@NaGdF4 Nanodumbbells for Dual-Modality Fluorescence and Magnetic Resonance Imaging

Hui-Qin Wen, Huang-Yong Peng, Kun Liu, Mao-Hong Bian, Yun-Jun Xu, Liang Dong, Xu Yan, Wei-Ping Xu, Wei Tao, Ji-Long Shen, Yang Lu, Hai-Sheng Qian

ACS Applied Materials & Interfaces· Volume 9· Issue 11
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Source abstract

Abstract

Upconversional core–shell nanostructures have gained considerable attention due to their distinct enhanced fluorescence efficiency, multifunctionality, and specific applications. Recently, we have developed a sequential growth process to fabricate unique upconversion core–shell nanoparticles. Time evolution of morphology for the NaYF 4:Yb/Er@NaGdF 4 nanodumbbells has been extensively investigated. An Ostwald ripening growth mechanism has been proposed to illustrate the formation of NaYF 4:Yb/Er@NaGdF 4 nanodumbbells. The hydrophilic NaYF 4:Yb/Er@NaGdF 4 core–shell nanodumbbells exhibited strong upconversion fluorescence and showed higher magnetic resonance longitudinal relaxivity ( r 1 = 7.81 mM –1 s –1 ) than commercial contrast agents (Gd-DTPA). NaYF 4:Yb/Er@NaGdF 4 nanodumbbells can serve as good candidates for high efficiency fluorescence and magnetic resonance imaging.
Source: openalex_inverted_index · Quality: baseline

Research context

Nanomaterials

OpenAlex topics: Luminescence Properties of Advanced Materials · Atomic and Subatomic Physics Research · Inorganic Fluorides and Related Compounds

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Immunology, Department of Pathogen Biology, Provincial Laboratories of Pathogen Biology and Zoonoses Anhui, and Clinical Laboratory of the First Affiliated Hospital, Anhui Medical University, Hefei, Anhui 230022, China

Department of Blood Transfusion, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230022, China

Department of Radiology, Anhui Provincial Hospital, Hefei, Anhui 230001, China

Funding

Ministry of Education of the People's Republic of China · Ministry of Science and Technology of the People's Republic of China · China Postdoctoral Science Foundation · National Natural Science Foundation of China · Science Foundation of Anhui Province

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