Transmission electron microscope (TEM) images were acquired on a JEM-100CX electron microscope (JEOL, Japan). Scanning electron microscope (SEM) images, element mapping images, and elements line scanning results were obtained on a field-emission Magellan 400 microscope (FEI Co.). Zeta potential and dynamic light scattering (DLS) measurements were conducted on a Zetasizer Nanoseries (Malvern Instruments, Malvern, UK). The pore size distribution and N2 adsorption-desorption isotherm of the nanoparticles were determined by Brunauer-Emmett-Teller (BET) analyzer (Micromeritics, ASAP 2020). The drug concentrations in plasma, urine, and feces samples were analyzed using liquid chromatography and mass spectrometry (LC-MS/MS, Agilent, Tokyo, Japan). The Si concentration measurement was conducted by an inductively coupled plasma optical emission spectrometer (ICP-OES, Agilent, Tokyo, Japan).
Bet analyzer
Manufactured by Micromeritics
Sourced in United States
The BET analyzer is a laboratory instrument used to measure the specific surface area of a material. It determines the surface area by applying the Brunauer-Emmett-Teller (BET) theory to the physical adsorption of gas molecules on the solid surface. The analyzer provides quantitative information about the surface area and porosity of the material.
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Lab products found in correlation
Icp oes, by Agilent Technologies (1 mentions)
Lc ms ms, by Agilent Technologies (1 mentions)
Jem 100 cx electron microscope, by JEOL (1 mentions)
Magellan 400 microscope, by Thermo Fisher Scientific (1 mentions)
Zetasizer nano series, by Malvern Panalytical (1 mentions)
Edx x max, by Oxford Instruments (1 mentions)
Tristar 2, by Micromeritics (1 mentions)
2 protocols using bet analyzer
1
Nanoparticle Characterization Techniques
2
Microstructural Characterization of Powders and Cells
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Initial microstructural characterization of the obtained powders and cells was performed using a Carl ZEISS (Oberkochen, Germany) Auriga scanning electron microscope (SEM) equipped with an energy dispersive X-ray spectroscopy (EDX—X-Max, Oxford Instrument, Abingdon, UK) detector. The SEM-EDX characterization of the cells was conducted after electrochemical analysis. The crystalline phases were characterized by X-ray diffraction (XRD) θ–2θ (20 to 90°) measurements on a Bruker-D8 Advance equipment (Billerica, MA, USA) at room temperature using Cu-Kα radiation with a nickel filter and Lynx Eye detector. The mesoporous powders were also characterized using a Tristar II Brunauer–Emmett–Teller (BET) analyzer (Micromeritics, Norcross, GA, USA).
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