Nanometer-Sized Boron Loaded Liposomes Containing Fe<sub>3</sub>O<sub>4</sub> Magnetic Nanoparticles and Tributyl Borate and Anti-Albumin from Bovine Serum Antibody for Thermal Neutron Detection
A shortage in the supply of <sup>3</sup>He used for thermal neutron detector makes researchers to find <sup>3</sup>He alternatives for developing new neutron detectors. Here, we prepared a neutron-sensitive composite liposome with tributyl borate and encapsulating with Fe<...
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| author | Wei Zhang Kaikai Wang Xiaodan Hu Xiaohong Zhang Shuquan Chang Haiqian Zhang |
| author_facet | Wei Zhang Kaikai Wang Xiaodan Hu Xiaohong Zhang Shuquan Chang Haiqian Zhang |
| author_sort | Wei Zhang |
| collection | DOAJ |
| description | A shortage in the supply of <sup>3</sup>He used for thermal neutron detector makes researchers to find <sup>3</sup>He alternatives for developing new neutron detectors. Here, we prepared a neutron-sensitive composite liposome with tributyl borate and encapsulating with Fe<sub>3</sub>O<sub>4</sub>@oleic acid nanoparticles (Fe<sub>3</sub>O<sub>4</sub>@OA NPs), methylene blue (MB), or anti-albumin from bovine serum (anti-BSA). The tributyl borate compound was characterized by Fourier transform infrared spectroscopy (FT-IR). In addition, the morphology, element compositions, and magnetic properties of the composite liposome were investigated with transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDS), and vibrating sample magnetometer (VSM), respectively. The results indicated that a typical ellipsoidal magnetic liposome structure was obtained, and the lengths of the minor axis and major axis were 49 ± 1 nm and 87 ± 3 nm, respectively. Under thermal neutron irradiation, the structure of composite liposome was destroyed, and encapsulated reporter molecules were released, which was detected by ultraviolet–visible (UV–vis) spectroscopy and surface plasmon resonance (SPR) technology. The response of this sensor based on a destructive assay shows a good correlation with neutron doses. Besides, the sensor has a neutron to gamma-ray rejection ratio of 1568 at a thermal neutron flux rate of 135.6 n/cm<sup>2</sup>·s, which makes it a promising alternative to <sup>3</sup>He. |
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| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-10T10:45:16Z |
| publishDate | 2021-06-01 |
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| spelling | doaj.art-d0c1ec3017b34b6088128190dee14ff32023-11-21T22:38:43ZengMDPI AGMaterials1996-19442021-06-011411304010.3390/ma14113040Nanometer-Sized Boron Loaded Liposomes Containing Fe<sub>3</sub>O<sub>4</sub> Magnetic Nanoparticles and Tributyl Borate and Anti-Albumin from Bovine Serum Antibody for Thermal Neutron DetectionWei Zhang0Kaikai Wang1Xiaodan Hu2Xiaohong Zhang3Shuquan Chang4Haiqian Zhang5College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211100, ChinaCollege of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211100, ChinaCollege of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211100, ChinaCollege of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211100, ChinaCollege of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211100, ChinaCollege of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211100, ChinaA shortage in the supply of <sup>3</sup>He used for thermal neutron detector makes researchers to find <sup>3</sup>He alternatives for developing new neutron detectors. Here, we prepared a neutron-sensitive composite liposome with tributyl borate and encapsulating with Fe<sub>3</sub>O<sub>4</sub>@oleic acid nanoparticles (Fe<sub>3</sub>O<sub>4</sub>@OA NPs), methylene blue (MB), or anti-albumin from bovine serum (anti-BSA). The tributyl borate compound was characterized by Fourier transform infrared spectroscopy (FT-IR). In addition, the morphology, element compositions, and magnetic properties of the composite liposome were investigated with transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDS), and vibrating sample magnetometer (VSM), respectively. The results indicated that a typical ellipsoidal magnetic liposome structure was obtained, and the lengths of the minor axis and major axis were 49 ± 1 nm and 87 ± 3 nm, respectively. Under thermal neutron irradiation, the structure of composite liposome was destroyed, and encapsulated reporter molecules were released, which was detected by ultraviolet–visible (UV–vis) spectroscopy and surface plasmon resonance (SPR) technology. The response of this sensor based on a destructive assay shows a good correlation with neutron doses. Besides, the sensor has a neutron to gamma-ray rejection ratio of 1568 at a thermal neutron flux rate of 135.6 n/cm<sup>2</sup>·s, which makes it a promising alternative to <sup>3</sup>He.https://www.mdpi.com/1996-1944/14/11/3040neutron detectormagnetic liposomemethylene blue (MB)anti-BSAsurface plasmon resonance |
| spellingShingle | Wei Zhang Kaikai Wang Xiaodan Hu Xiaohong Zhang Shuquan Chang Haiqian Zhang Nanometer-Sized Boron Loaded Liposomes Containing Fe<sub>3</sub>O<sub>4</sub> Magnetic Nanoparticles and Tributyl Borate and Anti-Albumin from Bovine Serum Antibody for Thermal Neutron Detection Materials neutron detector magnetic liposome methylene blue (MB) anti-BSA surface plasmon resonance |
| title | Nanometer-Sized Boron Loaded Liposomes Containing Fe<sub>3</sub>O<sub>4</sub> Magnetic Nanoparticles and Tributyl Borate and Anti-Albumin from Bovine Serum Antibody for Thermal Neutron Detection |
| title_full | Nanometer-Sized Boron Loaded Liposomes Containing Fe<sub>3</sub>O<sub>4</sub> Magnetic Nanoparticles and Tributyl Borate and Anti-Albumin from Bovine Serum Antibody for Thermal Neutron Detection |
| title_fullStr | Nanometer-Sized Boron Loaded Liposomes Containing Fe<sub>3</sub>O<sub>4</sub> Magnetic Nanoparticles and Tributyl Borate and Anti-Albumin from Bovine Serum Antibody for Thermal Neutron Detection |
| title_full_unstemmed | Nanometer-Sized Boron Loaded Liposomes Containing Fe<sub>3</sub>O<sub>4</sub> Magnetic Nanoparticles and Tributyl Borate and Anti-Albumin from Bovine Serum Antibody for Thermal Neutron Detection |
| title_short | Nanometer-Sized Boron Loaded Liposomes Containing Fe<sub>3</sub>O<sub>4</sub> Magnetic Nanoparticles and Tributyl Borate and Anti-Albumin from Bovine Serum Antibody for Thermal Neutron Detection |
| title_sort | nanometer sized boron loaded liposomes containing fe sub 3 sub o sub 4 sub magnetic nanoparticles and tributyl borate and anti albumin from bovine serum antibody for thermal neutron detection |
| topic | neutron detector magnetic liposome methylene blue (MB) anti-BSA surface plasmon resonance |
| url | https://www.mdpi.com/1996-1944/14/11/3040 |
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