Synthesis and characterization of calcium carbonate on three kinds of microbial cells templates

Yan, Wei; Xu, Hao; Xu, Shuangmeng; Su, Hui; Sun, Ruize; Huang, Di; Zhao, Liqin; Hu, Yinchun; Wang, Kaiqun; Lian, Xiaojie

doi:10.1016/j.jcrysgro.2020.125755

Cited by 22 publications

(10 citation statements)

References 46 publications

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“…Even though a biomineralized film can provide perfect micro-/nano-roughness, the reaction between carbonate and acid hinders their applicability as a coating material ( Wei et al, 2020 ). However, HDTMS contains inert and low-surface-energy groups ( Huang et al, 2019 ), endowing treated substrates with extremely low-surface energies and extremely poor wettability ( Sachan and Singh, 2019 ).…”

Section: Resultsmentioning

confidence: 99%

Design of Multi-Functional Superhydrophobic Coating via Bacterium-Induced Hierarchically Structured Minerals on Steel Surface

Zhang

Liu²,

Kang³

et al. 2022

Front. Microbiol.

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The fabrication of an eco-friendly, multi-functional, and mechanically robust superhydrophobic coating using a simple method has many practical applications. Here, inspired by shell nacre, the micro- or nano-scale surface roughness that is necessary for superhydrophobic coatings was formed via Bacillus subtilis–induced mineralization. The biomineralized film coated with hexadecyltrimethoxysilane (HDTMS) exhibited superhydrophobicity with water contact angles of 156°. The biomimetic HDTMS/calcite-coating showed excellent self-cleaning, anti-icing, and anti-corrosion performances. Furthermore, mechanically robust superhydrophobicity could be realized by hierarchically structured biomineralized surfaces at two different length scales, with a nano-structure roughness to provide water repellency and a micro-structure roughness to provide durability. Our design strategy may guide the development of “green” superhydrophobic coatings that need to retain effective multi-functional abilities in harsh marine environments.

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Section: Resultsmentioning

confidence: 99%

Design of Multi-Functional Superhydrophobic Coating via Bacterium-Induced Hierarchically Structured Minerals on Steel Surface

Zhang

Liu²,

Kang³

et al. 2022

Front. Microbiol.

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“…All the observed diffraction peaks could be indexed to calcite (JCPDS no. 05-0586), indicating that the CCMPs primarily consist of the calcite phase . The diffraction peaks at 2θ = 23.02, 29.41, 31.42, 35.97, 39.40, 43.15, 47.12, 47.49, 48.51, 56.55, 57.40, and 58.07° corresponded to the (012), (104), (006), (110), (113), (202), (024), (018), (116), (211), (122), and (1010) planes, respectively.…”

Section: Results and Discussionmentioning

confidence: 99%

“…05-0586), indicating that the CCMPs primarily consist of the calcite phase. 66 The diffraction peaks at 2θ = 23.02, 29.41, 31.42, 35.97, 39.40, 43.15, 47.12, 47.49, 48.51, 56.55, 57.40 Subsequently, the CCMPs were functionalized with APTMS to obtain microparticles with free amine groups attached to the surface (CCMPs-NH 2 ). The amine groups were used to covalently link GOx to the microparticles using GA as a linker, thus yielding GCCMP micromotors.…”

Section: ■ Results and Discussionmentioning

confidence: 99%

Enzymatic/Magnetic Hybrid Micromotors for Synergistic Anticancer Therapy

et al. 2021

ACS Appl. Mater. Interfaces

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Micro/nanomotors (MNMs), which propel by transforming various forms of energy into kinetic energy, have emerged as promising therapeutic nanosystems in biomedical applications. However, most MNMs used for anticancer treatment are only powered by one engine or provide a single therapeutic strategy. Although double-engined micromotors for synergistic anticancer therapy can achieve more flexible movement and efficient treatment efficacy, their design remains challenging. In this study, we used a facile preparation method to develop enzymatic/magnetic micromotors for synergetic cancer treatment via chemotherapy and starvation therapy (ST), and the size of micromotors can be easily regulated during the synthetic process. The enzymatic reaction of glucose oxidase, which served as the chemical engine, led to self-propulsion using glucose as a fuel and ST via a reduction in the energy available to cancer cells. Moreover, the incorporation of Fe3O4 nanoparticles as a magnetic engine enhanced the kinetic power and provided control over the direction of movement. Inherent pH-responsive drug release behavior was observed owing to the acidic decomposition of drug carriers in the intracellular microenvironment of cancer cells. This system displayed enhanced anticancer efficacy owing to the synergetic therapeutic strategies and increased cellular uptake in a targeted area because of the improved motion behavior provided by the double engines. Therefore, the demonstrated micromotors are promising candidates for anticancer biomedical microsystems.

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“…The peaks at 1411 and 1050 cm −1 and the peaks at 709 and 2513 cm −1 in ES800 and AES800 belong to the vibrations of C-O bonds. 33 Moreover, the peaks at 2976, 2859, and 1791 cm −1 are attributed to the C]O bonds from CO 3 2− , and the abovementioned bands indicate the presence of CaCO 3 in ES800 and AES800. 31 However, the peaks belonging to CaCO 3 are not found in the sample calcined 900 C, which could be explained by a lower relative peak intensity.…”

Section: Screening Of Adsorbentmentioning

confidence: 98%

Calcium hydroxide recycled from waste eggshell resources for the effective recovery of fluoride from wastewater

Chen

Xie

et al. 2022

RSC Adv.

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Synthesis and characterization of calcium carbonate on three kinds of microbial cells templates

Cited by 22 publications

References 46 publications

Design of Multi-Functional Superhydrophobic Coating via Bacterium-Induced Hierarchically Structured Minerals on Steel Surface

Design of Multi-Functional Superhydrophobic Coating via Bacterium-Induced Hierarchically Structured Minerals on Steel Surface

Enzymatic/Magnetic Hybrid Micromotors for Synergistic Anticancer Therapy

Calcium hydroxide recycled from waste eggshell resources for the effective recovery of fluoride from wastewater

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