Biomineralization of Nickel Struvite Linked to Metal Resistance in Streptomyces mirabilis

Costa, Flávio Silva; Langenhorst, F.; Kothe, Erika

doi:10.3390/molecules27103061

Cited by 9 publications

(4 citation statements)

References 36 publications

(51 reference statements)

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“…As we suggested in a previous study 20 , M-struvite could be precipitated out of industrial or mining waste waters. Due to its fast precipitation and low solubility product K sp , it is also occurring as a biomineral in specialized bacteria species 64,65 . Through a simple thermal treatment, these compounds containing critical raw materials such as phosphate or cobalt could be re-and upcycled for industrial purposes.…”

Section: Nanoscale Accepted Manuscriptmentioning

confidence: 99%

Template-free synthesis of mesoporous and amorphous transition metal phosphate materials

et al. 2023

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Section: Nanoscale Accepted Manuscriptmentioning

confidence: 99%

Template-free synthesis of mesoporous and amorphous transition metal phosphate materials

et al. 2023

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show abstract

“…Shown in a previous study 15 , M-struvite could be precipitated out of industrial or mining waste waters. Due to its fast precipitation and low solubility product Ksp, it is also occurring as a biomineral in specialized bacteria species 57,58 . Through a simple thermal treatment, these compounds containing critical raw materials such as phosphate or cobalt could be re-and upcycled for industrial purposes.…”

Section: Temporal Formation Of Mesoporosity and Structural Reconfigur...mentioning

confidence: 99%

Template-free synthesis of mesoporous and amorphous transition metal phosphate materials

Karafiludis

Buzanich

Heinekamp

et al. 2022

Preprint

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We present how mesoporosity can be engineered in transition metal phosphate (TMPs) materials in a template-free manner. The method involves a transformation of a precursor metal phosphate phase, M-struvite (NH4MPO4·6H2O, M = Mg2+, Ni2+, Co2+, Nix2+Co1-x2+), and it relies on the thermal decomposition of crystalline M-struvite precursors to an amorphous and simultaneously mesoporous phase which forms while degassing of NH3 and H2O from crystals. The temporal evolution of mesoporous frameworks and the response of the coordination metal coordination environment were followed with in-situ and ex-situ scattering and diffraction, as well as X -ray spectroscopy. We highlight the systematic differences in absolute surface area, pore shape, pore size, and phase transitions depending on a metal cation present in the analogous M-struvites. In a complex amorphous structure, thermally decomposed Mg-, Ni- and NixCo1-x-struvites exhibit high surface areas and pore volumes (240 m²g-1 and 0.32 cm-3 g-1 for Mg and 90 m²g-1 and 0.13 cm-3 g-1 for Ni) for phosphate materials with a spherical to channel-like pore geometry. Despite sharing the same precursor struvite structure, different amorphous and mesoporous structures were obtained in the chemical systems. We propose that the low-cost, environmentally friendly M-struvites could be obtained as recycling products from industrial and agricultural wastewaters. These waste products could be then upcycled into mesoporous TMPs through a simple thermal treatment for further applications in (electro)catalysis.

show abstract

“…As we suggested in a previous study 15 , M-struvite could be precipitated out of industrial or mining waste waters. Due to its fast precipitation and low solubility product Ksp, it is also occurring as a biomineral in specialized bacteria species 57,58 . Through a simple thermal treatment, these compounds containing critical raw materials such as phosphate or cobalt could be re-and upcycled for industrial purposes.…”

Section: Temporal Formation Of Mesoporosity and Structural Reconfigur...mentioning

confidence: 99%

Template-free synthesis of mesoporous and amorphous transition metal phosphate materials

Karafiludis

Buzanich

Heinekamp

et al. 2022

Preprint

View full text Add to dashboard Cite

We present how mesoporosity can be engineered in transition metal phosphate (TMPs) materials in a template-free manner. The method involves a transformation of a precursor metal phosphate phase, M-struvite (NH4MPO4·6H2O, M = Mg2+, Ni2+, Co2+, Nix2+Co1-x2+), and it relies on the thermal decomposition of crystalline M-struvite precursors to an amorphous and simultaneously mesoporous phase, which forms while degassing of NH3 and H2O from crystals. The temporal evolution of mesoporous frameworks and the response of the metal coordination environment were followed with in-situ and ex-situ scattering and diffraction, as well as X -ray spectroscopy. Despite sharing the same precursor struvite structure, different amorphous and mesoporous structures were obtained. We highlight the systematic differences in absolute surface area, pore shape, pore size, and phase transitions depending on a metal cation present in the analogous M-struvites. The amorphous structures of thermally decomposed Mg-, Ni- and NixCo1-x-struvites exhibit high surface areas and pore volumes (240 m²g-1 and 0.32 cm-3 g-1 for Mg and 90 m²g-1 and 0.13 cm-3 g-1 for Ni). We propose that the low-cost, environmentally friendly M-struvites could be obtained as recycling products from industrial and agricultural wastewaters. These waste products could be then upcycled into mesoporous TMPs through a simple thermal treatment for further applications, for instance, in in (electro)catalysis.

show abstract

Biomineralization of Nickel Struvite Linked to Metal Resistance in Streptomyces mirabilis

Cited by 9 publications

References 36 publications

Template-free synthesis of mesoporous and amorphous transition metal phosphate materials

Template-free synthesis of mesoporous and amorphous transition metal phosphate materials

Template-free synthesis of mesoporous and amorphous transition metal phosphate materials

Template-free synthesis of mesoporous and amorphous transition metal phosphate materials

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