A novel high-throughput platform for siRNA transfection of primary mammalian cells

Towhidi, Leila; Maimari, Nataly; Kis, Zoltán; Khodadadi, Delaram; Krams, Rob

doi:10.1016/j.atherosclerosis.2014.10.075

Cited by 1 publication

(1 citation statement)

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“…[78] Due to the complex nature of iron oxide pellet reduction, the following assumptions were required [77] : The pellets are isothermal and spherical with uniform porosity and consist of dense fine grains with a constant radius; the reduction of grains is reversible, proceeds topochemically, and is controlled by chemical reaction; no crack formation occurs during the reduction; pressure is uniform inside and around the pellets; reactions proceed independently and without interaction between the gaseous species; and the reduction of wüstite is slower than the reduction of other oxides. Figure 17 shows the comparison by Towhidi and Szekely [79] between modeling and experimental results for the reduction of hematite pellets using hydrogen as the reducing agent at 900 C. The model, developed by Valipour et al [77] can predict the experimental results quite well. The model, which neglects the gas film resistance developed by Tien and Turkdogan, [80] deviated from the experimental results drastically due to simplifying assumptions.…”

Section: Mathematical Modeling Of Iron Oxide Pellet Reductionmentioning

confidence: 97%

Reduction of Iron Oxides with Hydrogen—A Review

Spreitzer

Schenk

2019

steel research int.

383

161

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This review focuses on the reduction of iron oxides using hydrogen as a reducing agent. Due to increasing requirements from environmental issues, a change of process concepts in the iron and steel industry is necessary within the next few years. Currently, crude steel production is mainly based on fossil fuels, and emitting of the climate‐relevant gas carbon dioxide is integral. One opportunity to avoid or reduce greenhouse gas emissions is substituting hydrogen for carbon as an energy source and reducing agent. Hydrogen, produced via renewable energies, allows carbon‐free reduction and avoids forming harmful greenhouse gases during the reduction process. The thermodynamic and kinetic behaviors of reduction with hydrogen are summarized and discussed in this review. The effects of influencing parameters, such as temperature, type of iron oxide, grain size, etc. are shown and compared with the reduction behavior of iron oxides with carbon monoxide. Different methods to describe the kinetics of the reduction progress and the role of the apparent activation energy are shown and proofed regarding their plausibility.

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Section: Mathematical Modeling Of Iron Oxide Pellet Reductionmentioning

confidence: 97%