研究目的
Investigating the biotechnological preparation of Ir-doped luminescent silica based nanostructures using diatoms microalgae.
研究成果
The study demonstrates a sustainable, cost-effective, and scalable biotechnological route to transition metal doped silica nanomaterials, with potential applications in photonics, imaging, sensing, and biomedicine.
研究不足
The study is limited by the specific organometallic complex used (Ir-1) and the diatoms species (Thalassiosira weissflogii). The scalability and efficiency of the biotechnological approach need further optimization.
1：Experimental Design and Method Selection:
The study involved the in vivo incorporation of a phosphorescent organometallic complex (Ir-1) into Thalassiosira weissflogii diatom frustules, followed by isolation and processing to obtain bulk functionalized phosphorescent silica based nanostructures.
2：Sample Selection and Data Sources:
Thalassiosira weissflogii diatoms were used as micro-bioreactors.
3：List of Experimental Equipment and Materials:
Instruments included fluorescence microscopy, SEM, TEM, AFM, and spectrophotometric analysis.
4：Experimental Procedures and Operational Workflow:
The process included feeding diatoms with Ir-1, purification of Ir-doped biosilica, and isolation of biosilica based nanostructures.
5：Data Analysis Methods:
Characterization techniques included high-resolution TEM, FT-IR spectroscopy, and emission spectroscopy.
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