Self‐Phosphorization of MOF‐Armored Microbes for Advanced Energy Storage

Hu, Jiapeng; Yuan, Xietao; Wang, Chonglong; Shao, Xixi; Yang, Baiyu; Razzaq, Amir Abdul; Zhao, Xiaohui; Lian, Yuebin; Deng, Zhao; Chen, Muzi; Peng, Yang

doi:10.1002/smll.202000755

Cited by 30 publications

(25 citation statements)

References 50 publications

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“…Most recently, Escherichia coli ( E. coli , an easily available Gram‐negative bacterium in nature) is used as a template to prepare core–shell E. coli @ZIF composites, which are further converted into N, P co‐doped porous carbon capsules (Figure 8h). [ 93 ] The bacterial‐templated porous carbon capsules (BPCCs) are decorated with Co 2 P NPs, which are generated by in situ phosphorization, using phosphor source from the cellular membranes of E. coli and the Co species from ZIF during the pyrolysis process. Meanwhile, the ZIF shell contracts inward into a carbon shell with a capsular morphology (Figure 8i), and the cytoplasmic organelles of E. coli are transformed into the yolk carbon, forming a yolk–shell carbon structure (Figure 8j).…”

Section: Hollowing Mechanisms For Zif‐8/67 Derived Hcasmentioning

confidence: 99%

Hollow Carbon‐Based Nanoarchitectures Based on ZIF: Inward/Outward Contraction Mechanism and Beyond

Song

Jiang

Cheng

et al. 2020

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Hollow carbon‐based nanoarchitectures (HCAs) derived from zeolitic imidazolate frameworks (ZIFs), by virtue of their controllable morphology and dimension, high specific surface area and nitrogen content, richness of metal/metal compounds active sites, and hierarchical pore structure and easy exposure of active sites, have attracted great interests in many fields of applications, especially in heterogeneous catalysis, and electrochemical energy storage and conversion. Despite various approaches that have been developed to prepare ZIF‐derived HCAs, the hollowing mechanism has not been clearly disclosed. Herein, a specialized overview of the recent progress of ZIF‐derived HCAs is introduced to provide an insight into their preparation strategy and the corresponding hollowing mechanisms. Based on the fundamental understanding of the structural evolution of ZIF nanocrystals during the high‐temperature pyrolysis process, the hollowing mechanisms of ZIF‐derived HCAs are classified into four categories: i) inward contraction of core–shell template@ZIF composites or hollow ZIFs, ii) outward contraction of ZIF@shell composites, iii) special outward contraction of ZIF arrays, and iv) mechanism beyond inward/outward contraction of pure ZIF nanocrystals. Finally, an outlook on the development prospects and challenges of HCAs based on ZIF precursors, especially in terms of controlled synthesis and future electrochemical application, is further discussed.

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Section: Hollowing Mechanisms For Zif‐8/67 Derived Hcasmentioning

confidence: 99%

Hollow Carbon‐Based Nanoarchitectures Based on ZIF: Inward/Outward Contraction Mechanism and Beyond

Song

Jiang

Cheng

et al. 2020

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“…15 Different from the traditional chemical synthesis (severe fabrication procedures, chemical instability, or complicated cross-linking with mAbs), 16,17 the biosynthesis of NMs by utilizing organisms is clean, harmless, ecofriendly, and sustainable, and the synthesized carriers feature various functional groups without any chemical modification. 18 Accordingly, the excellent characteristics endow great amenability to develop MO-loaded NMs for cell imaging, 19 drug delivery, 20 energy storage, 21 and flow cytometry 22 applications. However, the exploration of unique MO−NMs as carriers in ICA biosensing is still at an early stage.…”

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confidence: 99%

Diverse Dyes-Embedded Staphylococcus aureus as Potential Biocarriers for Enhancing Sensitivity in Biosensing

Zhao

Bai

et al. 2021

Anal. Chem.

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Nanomaterials-based immunochromatographic assays (ICAs) have gained great commercial success in real-life point-of-care testing (POCT). Exploring novel carriers of ICAs with improved signaling and sustained activity favors the development of sensitive POCT. Herein a potent signal biotag, colored Staphylococcus aureus (SA), was created for ICA carriers through a mild self-assembly strategy, providing high luminance and abundant specific binding sites for immobilization of monoclonal antibodies (mAbs). The biocompatible SA-dyes (SADs) retained both an intact surface structure for mAbs labeling (Fc portion) and the superior bioactivity of immobilized mAbs (affinity constant was about 109 M–1), thus waiving the intrinsic limitations of traditional nanomaterials and endowing high sensitivity. Proof-of-concept was demonstrated by employing Congo red- or/and fluorescein isothiocyanate-embedded SA (SACR, SAFITC, and SACR–SAFITC) as ICA carriers to detect zearalenone (ZEN) through colorimetric or/and fluorimetric signals. Furthermore, the ICAs satisfied the clinical requirement perfectly, including limit of detection (0.013 ng/mL, which was at least an 85-fold improvement over that of traditional gold nanoparticles-based ICA), linearity (R 2 > 0.98), reproducibility (RSD < 8%), selectivity, and stability. Importantly, the proposed biosensors could be well-applied in four real samples for ZEN monitoring with satisfactory recoveries, correlating well with the results from liquid chromatography–tandem mass spectrometry (LC-MS). This work also proved a universal design for tailoring coloration bands for SAD–ICA detection of multiple analytes.

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“…Owing to the dispersion of these particles over the bacteria carbon capsule, they can bind to lithium polysulfides and therefore suppress polysulfide shuttling. They can also catalyze oxygen conversion, which makes them a great material for lithium-sulfur batteries and zinc-air batteries [117].…”

Section: Energy Capture and Storagementioning

confidence: 99%

Bio-Templating: An Emerging Synthetic Technique for Catalysts. A Review

et al. 2021

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In the last few years, researchers have focused their attention on the synthesis of new catalyst structures based on or inspired by nature. Biotemplating involves the transfer of biological structures to inorganic materials through artificial mineralization processes. This approach offers the main advantage of allowing morphological control of the product, as a template with the desired morphology can be pre-determined, as long as it is found in nature. This way, natural evolution through millions of years can provide us with new synthetic pathways to develop some novel functional materials with advantageous properties, such as sophistication, miniaturization, hybridization, hierarchical organization, resistance, and adaptability to the required need. The field of application of these materials is very wide, covering nanomedicine, energy capture and storage, sensors, biocompatible materials, adsorbents, and catalysis. In the latter case, bio-inspired materials can be applied as catalysts requiring different types of active sites (i.e., redox, acidic, basic sites, or a combination of them) to a wide range of processes, including conventional thermal catalysis, photocatalysis, or electrocatalysis, among others. This review aims to cover current experimental studies in the field of biotemplating materials synthesis and their characterization, focusing on their application in heterogeneous catalysis.

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Self‐Phosphorization of MOF‐Armored Microbes for Advanced Energy Storage

Cited by 30 publications

References 50 publications

Hollow Carbon‐Based Nanoarchitectures Based on ZIF: Inward/Outward Contraction Mechanism and Beyond

Hollow Carbon‐Based Nanoarchitectures Based on ZIF: Inward/Outward Contraction Mechanism and Beyond

Diverse Dyes-Embedded Staphylococcus aureus as Potential Biocarriers for Enhancing Sensitivity in Biosensing

Bio-Templating: An Emerging Synthetic Technique for Catalysts. A Review

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