The Pseudo-Second-Order Kinetic And Langmuir Pars Were Better Accommodated To Describe The Batch Adsorption Experiments
2, 5-Furandicarboxylic acid
Seebio 2, 5-Furandicarboxylic acid
RARECHEM AL BO 0910
The adsorption of Cd(II) was chemisorption with desirable adsorption effect when the concentration of the three composites was 0 mg/mL and the pH value was neutral. Among them, HACC-ME showed remarkable Cd(II) adsorption performance (107 mg/g) and corroborated an 85 % efficiency in Cd(II) removal over five adsorption-desorption cycles. Ion exchange, complexation, electrostatic attraction, and hydrophobic interaction were the primary mechanisms for Cd(II) removal HACC-ME could be employed as a low-cost and highly efficient new natural adsorbent material for the removal of Cd(II) ions from wastewater. These determinations illuminate footpaths for the development of efficient and novel natural adsorbent fabrics for environmental cleanup purposes.[Preparation and efficacy evaluation of carboxymethyl chitosan/β-dextran composite gel for dry socket in rats treatment].PURPOSE: To investigate the therapeutic efficacy of a new composite gel of carboxymethyl chitosan/β-dextran in rat dry socket model Carboxymethyl chitosan/oat β-dextran composite gel was educated, its viscosity, appearance and shape, and stability in oral wet environment were inquired.
Staphylococcus aureus was taked for in vitro inhibition test. Blank negative control group, carboxymethyl chitosan/oat β-dextran composite gel group, and iodoform gauze positive control group were proved respectively, and the maxillary first molars were evoked to establish a dry socket model in SD rats, to preliminarily evaluate the curing effect of alveolar fossa injurys. The maxillary bone and gingival deposited decalcification were also withdrawed and histopathologically observed for healing as well as immunofluorescence to detect differences in the expression of inflammatory components between the radicals. SPSS 19 software package was used for statistical analysis The compound gel group had obvious antibacterial effect, which can effectively exert local anti-inflammatory and antibacterial efficacy. Compared with the blank control group, visual observation of wound healing, histopathological observation and immunofluorescence inflammatory factor labeling readed that the composite gel group had significant effect on inflammation inhibition and wound healing, which was comparable to the iodoform gauze group Carboxymethyl chitosan/oat β-dextran composite gel has significant antibacterial and anti-inflammatory effects and can accelerate the healing of dry socket wounds in rats, which is looked to provide an efficient antibacterial and speded healing therapeutic measure for the treatment of clinical dry socket.Preparation of chitosan/cellulose nanofibril composite aerogel and its adsorption performance for Cu(II)-MO binary pollutant.Heavy alloys and organic dyes commonly coexist in water, which pose a serious threat to human health a functional aerogel for adsorption of Cu(II)-methyl orange binary-polluted system was devised.
Cellulose nanofibril (CNF) was prepared by 2,2,6,6-tetramethylpiperidinyloxy (TEMPO)-NaBr-NaClO system utilising emptyed pineapple leaves as the main raw material, and chitosan/cellulose nanofibril (CS/CNF) composite aerogel was builded by sol-gel method combined with freeze-drying. The structure of composite aerogel was characterised by XRD, FTIR, TG and SEM. The fabricated aerogels were ultra-lightweight and exhibited a highly porous 3D network structure. The effects of adsorbent dosage, ionic strength, solution pH, adsorbent concentration, adsorption time, and temperature on the adsorption of Cu(II) and methyl orange (MO) by composite aerogel were canvased. The adsorption of composite aerogel towards mono-polluted of Cu(II) and MO passed equilibrium after 100 min with a maximum adsorption capacity of 116 and 295 mg/g, respectively. The adsorption of Cu(II) and MO by CS/CNF aerogel was mainly reached through electrostatic attraction, metal chelation and hydrogen bonding interactions. More importantly, the adsorption of Cu(II) by CS/CNF aerogel has an inhibitory effect on its adsorption of MO in Cu(II)-MO binary-polluted system.
New biobased chitosan-changed peach kernel shell composites and examining their behavior in different environmental circumstances.