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The roughness on the adsorbent surface was observed in each sample.A previous study reported that lignin had a roughness that was not aggregatory; similar trends were observed in the present study.The yield percentage decreased with the increase of the calcination temperatures.Conversely, the specic surface area, micropore volume, and total pore volume increased with the increase of the calcination temperatures.These phenomena suggest the occurrence of carbonization and removal of the volatile substances and metallic impurities.A similar phenomenon was observed using waste wood. Lig has an aromatic threedimensional polymer structure, including functional groups such as phenolic, benzyl alcohol, hydroxyl, carboxyl, methoxyl, and aldehyde groups.Furthermore, the relationship between the amount adsorbed and the characteristics of adsorbents was evaluated. Thus, these properties control the interaction between adsorbate and adsorbent.Calcined lignin at over C should show a high adsorption capability due to the merits such as high specic area, welldeveloped pore channels, and volumes. Therefore, the amount adsorbed at C was lower than that at C.This model assumes that the heat of adsorption in the layer would decrease logarithmically with coverage. These results indicate that adsorption kinetics data were more tted to the pseudosecondorder model than the pseudorstorder model.Previous studies reported that the value of k in the pseudosecondorder model depended on the experimental conditions such as initial concentration, solvent volume, pH in a solution, temperature, and agitation speed. A lower k value implies that a longer time is required to reach equilibrium. One of the most useful models assumes the rate of adsorption of solute decreases exponentially as the amount of adsorbed solution increases. Two factors mainly affect the adsorption capability of metal ions from an aqueous solution.One is the solubility or distribution of target metal ions in a solution, whereas the other is the charge of the adsorbent surface in the solution.Conversely, the repulsion interaction was weaker with the increase of solution pH. A previous study had reported that the point of zero charge of calcined lignin in the aqueous phase is at a pH of approximately. Moreover, there are a number of protons in this acidic condition.Many kinds of desorption solutions were used by previous studies for the desorption of metal ions from biosorbents.Our previous study also reported that hydrochloric acid was one of the most useful desorption solutions. Additionally, a hydrochloric acid solution at over mmolL affected the structure of lignin. Thus, the desorption percentage using mmolL hydrochloric acid was higher than that using mmolL.The desorption mechanism of metal from biosorbent using a desorption solution may involve ion exchange or complexation, among other things.Ionexchange equilibria.Targetmol’s Esomeprazole Sodium Langmuir. Holzforschung. Sorption mechanism approach.Adsorption. Sustainability. J. Colloid Interf. Sci. This renoprotective action might be due to their antioxidants, antiapoptotic and antiinammatory actions.Renal IR injury is a common sequelae for shock, sepsis, renal transplantation, cardiovascular surgery, partial nephrectomy, clamping of renal arteries during resection of renal tumors. In kidney transplantation, renal IR injury may result in primary renal dysfunction, delayed graft dysfunction, allograft dysfunction and graft rejection. The mechanisms underlying renal IR injury are complex and include oxidative stress, production of inammatory cytokines and necrotic and apoptotic cell death.

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