Ferritin as a model for developing 3rd generation nano architecture organic/inorganic hybrid photo catalysts for energy conversion

Watt, Richard K.; Petrucci, Oscar D.; Smith, Trevor

doi:10.1039/c3cy00536d

Cited by 16 publications

(18 citation statements)

References 99 publications

(129 reference statements)

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“…203 Physiologically, an iron oxide core comprising up to ca. Ferritin is a well-studied family of protein that plays an important role in iron homeostasis and storage.…”

Section: Protein-templated Synthesismentioning

confidence: 99%

Bio-inspired synthesis of metal nanomaterials and applications

et al. 2015

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“…203 Physiologically, an iron oxide core comprising up to ca. Ferritin is a well-studied family of protein that plays an important role in iron homeostasis and storage.…”

Section: Protein-templated Synthesismentioning

confidence: 99%

Bio-inspired synthesis of metal nanomaterials and applications

et al. 2015

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“…Using oxygen or hydrogen peroxide as the oxidant has allowed for the synthesis of many different nanoparticles in ferritin [22,[25][26][27]. The protein shell is also known to allow diffusion of oxo-anions [27,[36][37][38][39][40][41] and divalent metals [42][43][44][45][46] into the ferritin cavity. Metal oxoanion minerals can thus be deposited inside ferritin by adding oxo-anions to the reaction buffer during iron loading [27,36].…”

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confidence: 99%

Permanganate-based synthesis of manganese oxide nanoparticles in ferritin

et al. 2017

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This paper investigates the comproportionation reaction of Mn with [Formula: see text] as a route for manganese oxide nanoparticle synthesis in the protein ferritin. We report that [Formula: see text] serves as the electron acceptor and reacts with Mn in the presence of apoferritin to form manganese oxide cores inside the protein shell. Manganese loading into ferritin was studied under acidic, neutral, and basic conditions and the ratios of Mn and permanganate were varied at each pH. The manganese-containing ferritin samples were characterized by transmission electron microscopy, UV/Vis absorption, and by measuring the band gap energies for each sample. Manganese cores were deposited inside ferritin under both the acidic and basic conditions. All resulting manganese ferritin samples were found to be indirect band gap materials with band gap energies ranging from 1.01 to 1.34 eV. An increased UV/Vis absorption around 370 nm was observed for samples formed under acidic conditions, suggestive of MnO formation inside ferritin.

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“…Biotemplates like organisms (butterfly wing, 2 hair, 3 wood fiber 4,5 and pollen 6 ), microorganisms (bacteria, 7,8 fungus, 9,10 and viruses 11 ) and biological macromolecules (DNA, [12][13][14] RNA, 15 proteins, [16][17][18][19] and polysaccharides 20 ) were reported to prepare inorganic materials. Among these templates, proteins have gained more popularity by researchers, 21 ranging from ferritin, [22][23][24][25] bovine serum albumin (BSA) [26][27][28][29][30][31] to collagen [32][33][34] . However, proteins from natural extracted or artificial synthetic are difficult to obtain and thus cost a lot.…”

Section: Introductionmentioning

confidence: 99%

MnO2 Submicroparticles from Chinese Brush and Their Application in Treatment of Methylene Blue Contaminated Wastewater

Wang

et al. 2017

ACSi

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Eggshell membrane (ESM) is selected as biotemplate to prepare MnO 2 submicroparticles (SMPs) using Chinese Brush with sodium hydroxide solution. The size with average 710 nm of the obtained materials is in good consistency with the microsructured biotemplate. An efficient and convenient absorbent for methylene blue (MB) is developed. The removal efficiency could reach up to 93% in 35 min under room temperature without pH adjusting owing to the excellent adsorption from ESM itself and hydroxyl group formed on the surface of MnO 2 crystal in the aqueous solution. Materials on the membrane can be separated from the wastewater simply to avoid the secondary pollution caused by the leak of material. This interesting approach to MnO 2 SMPs and facile operation for MB adsorption could open a new path to the submicro-materials based wastewater treatment.

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Ferritin as a model for developing 3rd generation nano architecture organic/inorganic hybrid photo catalysts for energy conversion

Cited by 16 publications

References 99 publications

Bio-inspired synthesis of metal nanomaterials and applications

Bio-inspired synthesis of metal nanomaterials and applications

Permanganate-based synthesis of manganese oxide nanoparticles in ferritin

MnO2 Submicroparticles from Chinese Brush and Their Application in Treatment of Methylene Blue Contaminated Wastewater

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