Determination of Fluoride Concentration in Antarctic Krill (<i>Euphausia superba</i>) using Dielectric Spectroscopy

Lu, Jianfeng; Liu, Qi; Guo, Wen; Song, Yishan; Jung, Yong An; Cheng, Yong; Jin, Yinzhe

doi:10.1002/bkcs.10295

Cited by 6 publications

(3 citation statements)

References 33 publications

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“…These properties make them suitable for high‐throughput production, such as inkjet printing and roll‐to‐roll processing. In particular, the dielectric constant of a polymer can be increased by incorporating electronegative elements such as fluorine 50,51 . A few representative polymer gate dielectrics are described.…”

Section: Nonoxide Dielectricsmentioning

confidence: 99%

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Emerging nonoxide dielectrics for next‐generation electronics

Kim

Shin

Kim

2023

Bulletin Korean Chem Soc

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As electronic devices continue to develop, there is a growing demand for materials capable of supporting new physical properties, such as flexibility, stretchability, low‐temperature processability, applicability to large areas or ultra‐thin films, and operation at extremely low voltages. Metal oxide dielectrics, such as silicon dioxide, aluminum oxide, and hafnium oxide, offer excellent dielectric properties, but their ability to meet these new properties and the choice of substrate is limited. Therefore, a new dielectric material capable of providing stable dielectric properties with new functionalities is required. In this review, we briefly introduce the physical principles of dielectric materials and the recent trends of nonoxide dielectrics which satisfy requirements of new functionalities. We discussed various nonoxide dielectric materials of organic, self‐assembled mono/multilayers, electrolytes, two‐dimensional (2D) materials, and metal halides. Finally, we conclude with an outlook and challenges on dielectric materials for next‐generation micro‐ and macro‐electronics.

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Section: Nonoxide Dielectricsmentioning

confidence: 99%

“…In particular, the dielectric constant of a polymer can be increased by incorporating electronegative elements such as fluorine. 50,51 A few representative polymer gate dielectrics are described.…”

Section: Schottky Emissionmentioning

confidence: 99%

Emerging nonoxide dielectrics for next‐generation electronics

Kim

Shin

Kim

2023

Bulletin Korean Chem Soc

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“…In addition, the impacts of the abnormally high levels of fluoride contents in E. superba , due to E. superba concentrating fluoride from the seawater, was investigated9. Although high concentrations of fluoride are toxic to other animals, it is an important component of krill cuticle formation10.…”

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confidence: 99%

Diversity and function of the Antarctic krill microorganisms from Euphausia superba

Cui

Zhu

Liu

et al. 2016

Sci Rep

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The diversity and ecological function of microorganisms associated with Euphausia superba, still remain unknown. This study identified 75 microbial isolates from E. superba, that is 42 fungi and 33 bacteria including eight actinobacteria. And all the isolates showed NaF tolerance in conformity with the nature of the fluoride krill. The maximum concentration was 10%, 3% and 0.5% NaF for actinobacteria, bacteria and fungi, respectively. The results demonstrated that 82.4% bacteria, 81.3% actinobacteria and 12.3% fungi produced antibacterial metabolites against pathogenic bacteria without NaF; the MIC value reached to 3.9 μg/mL. In addition, more than 60% fungi produced cytotoxic metabolites against A549, MCF-7 or K562 cell lines. The presence of NaF led to a reduction in the producing antimicrobial compounds, but stimulated the production of cytotoxic compounds. Furthermore, seven cytotoxic compounds were identified from the metabolites of Penicillium citrinum OUCMDZ4136 under 0.5% NaF, with the IC50 values of 3.6–13.1 μM for MCF-7, 2.2–19.8 μM for A549 and 5.4–15.4 μM for K562, respectively. These results indicated that the krill microbes exert their chemical defense by producing cytotoxic compounds to the mammalians and antibacterial compounds to inhibiting the pathogenic bacteria.

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