A new type of activated charcoal for the direct hemoperfusion (DHP) has been developed for use in treatment of fulminant hepatic failure. Bead-type activated charcoal from petroleum pitch (BAC) was coated with polyetherurethane. The coating has permitted the charcoal to minimize the number of released microparticles and yet to show nearly the same adsorption performance as that of the non-coate...

1. Alaspää AO, Kuisma MJ, Hoppu K, et al. Out-of-hospital administration of activated charcoal by emergency medical services. Ann Emerg Med. 2005;45:207-212. 2. Pond SM, Lewis-Driver DJ, Williams GM, et al. Gastric decontamination in acute overdose: a prospective randomised controlled trial. Med J Aust. 1995;163:345-349. 3. Crockett R, Krishel SJ, Manoguerra A, et al. Prehospital use of activat...

A new kind of low-cost syntactic adsorbent from bamboo charcoal and chitosan was developed for the removal of microcystin-LR from drinking water. Removal efficiency was higher for the syntactic adsorbent when the amount of bamboo charcoal was increased. The optimum dose ratio of bamboo charcoal to chitosan was 6:4, and the optimum amount was 15 mg/L; equilibrium time was 6 hr. The adsorption is...

BACKGROUND Tasks involved in traditional charcoal production expose workers to various levels of charcoal dust and wood smoke. This study aimed to identify specific tasks influencing lung function and respiratory symptoms. METHODS Interviews, direct observation, and task/symptom checklists were used to collect data from 50 charcoal-production workers on 3 nonwork days followed by 11 workdays....

To the editor: We would like to share recent advancements regarding the utilization of activated charcoal filters to adsorb volatile anesthetic agents (VAAs). Although activated charcoal has been known for many years to adsorb VAAs,1-3 it has only recently become commercially available and endorsed by the Malignant Hyperthermia Association of the United States (MHAUS).4 MHAUS has put forth upda...

ultraviolet waves, because of their short wavelength, have a high energy and considerable damaging effects on surfaces. protection against ultraviolet radiations is one of the finishing treatments done on surfaces exposed to sunlight. the importance of this issue in relation to human health, due to complications such as skin burns and cancer, is doubled. up to now, different materials such as z...

In this work, the effect of temperature on charcoal structure and chemical composition is investigated for four tree species. Wood charcoal carbonized at various temperatures is analyzed by mid infrared spectroscopy coupled with multivariate analysis and by thermogravimetric analysis to characterize the chemical composition during the carbonization process. The multivariate models of charcoal w...

Graft copolymerization of acryl-amide onto guar-gum has been carried out in the presence of potassium per sulphate as a redox initiator. The prepared graft copolymer was characterized by various techniques such as FT-IR, SEMEDX and TGA-DTA-DTG. Activated charcoal was also studied as the adsorbent in the present study to evaluate their adsorption capacity for Cr (Vl) and compared it with indigen...

The relative stabilities of IAA and IBA under various tissue culture procedures were determined. IBA was significantly more stable than IAA to autoclaving. IBA was also found to be more stable than IAA in liquid Murashige and Skoog medium (MS) under growth chamber conditions. The stabilities of IBA and IAA were similar in agar-solidified MS. Light provided by cool-white fluorescent bulbs promot...

Hemodialysis and hemoperfusion have been evaluated, and both are effective in removing theophylline. We report two consecutive cases of theophylline intoxication in which the sequential treatment of charcoal hemoperfusion and hemodialysis is contrasted to the simultaneous "in series" treatment of hemodialysis and charcoal hemoperfusion. Analysis of the two methodologies shows that the combined ...