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1. Hydrosilylation of an Iron(IV) Nitride Complex

   https://doi.org/10.1021/acs.inorgchem.9b02831  

   Valdez-Moreira, Juan A.; Millikan, Sean P.; Gao, Xinfeng; Carta, Veronica; Chen, Chun-Hsing; Smith, Jeremy M. (December 2019, Inorganic Chemistry)
2. Mixotrophy broadens the ecological niche range of the iron oxidizer Sideroxydans sp. CL21 isolated from an iron-rich peatland

   https://doi.org/10.1093/femsec/fiac156  

   Cooper, Rebecca E.; Finck, Jessica; Chan, Clara; Küsel, Kirsten (January 2023, FEMS Microbiology Ecology)

   Abstract Sideroxydans sp. CL21 is a microaerobic, acid-tolerant Fe(II)-oxidizer, isolated from the Schlöppnerbrunnen fen. Since the genome size of Sideroxydans sp. CL21 is 21% larger than that of the neutrophilic Sideroxydans lithotrophicus ES-1, we hypothesized that strain CL21 contains additional metabolic traits to thrive in the fen. The common genomic content of both strains contains homologs of the putative Fe(II) oxidation genes, mtoAB and cyc2. A large part of the accessory genome in strain CL21 contains genes linked to utilization of alternative electron donors, including NiFe uptake hydrogenases, and genes encoding lactate uptake and utilization proteins, motility and biofilm formation, transposable elements, and pH homeostasis mechanisms. Next, we incubated the strain in different combinations of electron donors and characterized the fen microbial communities. Sideroxydans spp. comprised 3.33% and 3.94% of the total relative abundance in the peatland soil and peatland water, respectively. Incubation results indicate Sideroxydans sp. CL21 uses H2 and thiosulfate, while lactate only enhances growth when combined with Fe, H2, or thiosulfate. Rates of H2 utilization were highest in combination with other substrates. Thus, Sideroxydans sp. CL21 is a mixotroph, growing best by simultaneously using substrate combinations, which helps to thrive in dynamic and complex habitats. 

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3. Bioinspired Nickel Complexes Supported by an Iron Metalloligand

   https://doi.org/10.1021/acs.inorgchem.0c02041  

   Prat, Jacob R.; Gaggioli, Carlo A.; Cammarota, Ryan C.; Bill, Eckhard; Gagliardi, Laura; Lu, Connie C. (September 2020, Inorganic Chemistry)
4. Breaking a Molecular Scaling Relationship Using an Iron–Iron Fused Porphyrin Electrocatalyst for Oxygen Reduction

   https://doi.org/10.1021/jacs.3c08586  

   Nishiori, Daiki; Menzel, Jan Paul; Armada, Nicholas; Reyes_Cruz, Edgar A; Nannenga, Brent L; Batista, Victor S; Moore, Gary F (May 2024, Journal of the American Chemical Society)
5. An Emerging Trend in the Synthesis of Iron Titanate Photocatalyst Toward Water Splitting

   https://doi.org/10.1002/tcr.202400016  

   Ashie, Moses D; Kumar, Dhananjay; Bastakoti, Bishnu Prasad (May 2024, The Chemical Record)

   Abstract Hydrogen gas is a prominent focus in pursuing renewable and clean alternative energy sources. The quest for maximizing hydrogen production yield involves the exploration of an ideal photocatalyst and the development of a simple, cost‐effective technique for its generation. Iron titanate has garnered attention in this context due to its photocatalytic properties, affordability, and non‐toxic nature. Over the years, different synthesis routes, different morphologies, and some modifications of iron titanate have been carried out to improve its photocatalytic performance by enhancing light absorption in the visible region, boosting charge carrier transfer, and decreasing recombination of electrons and holes. The use of iron titanate photocatalyst for hydrogen evolution reaction has seen an upward trend in recent times, and based on available findings, more can be done to improve the performance. This review paper provides a comprehensive overview of the fundamental principles of photocatalysis for hydrogen generation, encompassing the synthesis, morphology, and application of iron titanate‐based photocatalysts. The discussion delves into the limitations of current methodologies and present and future perspectives for advancing iron titanate photocatalysts. By addressing these limitations and contemplating future directions, the aim is to enhance the properties of materials fabricated for photocatalytic water splitting. 

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