Enhancing Effect of Sodium Chloride on in vitro Adsorption of Paraquat onto Activated Carbon.

Tanada, Seiki; Nakamura, Takeo; Ma, Xiaoxun; Higuchi, Toshikazu; Miyoshi, Tamotsu; Tamura, Takamichi; Imaki, Masahide

doi:10.1265/jjh.46.1051

Cited by 3 publications

(1 citation statement)

References 15 publications

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“…Honda et al [18] and Tanada et al [19] reported that the amount of paraquat adsorbed onto activated carbon was greater in normal saline solution than in artificial gastric juice or in purified water. The enhanced adsorption of paraquat onto activated carbon is due to a "salting out" effect of paraquat in the presence of sodium chloride.…”

Section: Resultsmentioning

confidence: 99%

In vitro paraquat removal with granular chitosan

Tanada

Kyotani

Nakamura

et al. 1993

Journal of Environmental Science and Health . Part A: Environme

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The removal of paraquat onto granular chitosan has been investigated in vitro with a view to using chitosan in the primary treatment of acute paraquat poisoning. The amount of paraquat adsorbed and its adsorption rate onto chitosan were greater in normal saline solution than in either artificial gastric juice or purified water. The surface area of the chitosan was a dominant factor in paraquat adsorption in all solutions.

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Section: Resultsmentioning

confidence: 99%

In vitro paraquat removal with granular chitosan

Tanada

Kyotani

Nakamura

et al. 1993

Journal of Environmental Science and Health . Part A: Environme

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Efficient In Vitro Paraquat Removal via Irreversible Immobilization into Zeolite Particles

Walcarius

Mouchotte

2004

Arch Environ Contam Toxicol

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A new efficient mineral adsorbent, zeolite ZSM-5, has been evaluated for its ability to durably immobilize the herbicide paraquat in conditions simulating acute poisoning by oral ingestion of this toxic compound. The sorption properties have been studied in water, normal saline solution, as well as in artificial and simulated human gastric juices. Uptake kinetics and capacities have been determined and compared to the ion exchange resin Amberlite IR-120. Significant advantages of ZSM-5 over the resin have been demonstrated, especially with respect to long-term retention capability of the toxic herbicide. This solid is a promising primary treatment of acute paraquat poisoning.

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In vitro Adsorption of Paraquat onto Substituted Chitosan Beads.

Nakamura

Kyotani

Kawasaki

et al. 1993

Nippon Eiseigaku Zasshi (Japanese Journal of Hygiene)

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Paraquat removal by chitosan with different substituents was investigated in vitro for evaluation of chitosan as a paraquat adsorbent in emergency treatment for acute Paraquat poisoning. Chitosan CM and SU, in which the hydroxyl group at the C6 position is replaced by a carboxymethyl and sulfonic group, respectively, removed paraquat abundantly in purified water. However an inhibitory effect of sodium chloride on Paraquat removal by CM and SU was recognized. On the other hand, paraquat removal by cross-linked chitosan (BCW) was accelerated in saline solutions. It was recognized that more paraquat was removed by BCW chitosan when the sodium chloride concentration was less than 1.8%. It was confirmed that some chitosan beads (CM and SU) could function as effective paraquat adsorbents through in vitro experiments.

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Enhancing Effect of Sodium Chloride on in vitro Adsorption of Paraquat onto Activated Carbon.

Cited by 3 publications

References 15 publications

In vitro paraquat removal with granular chitosan

In vitro paraquat removal with granular chitosan

Efficient In Vitro Paraquat Removal via Irreversible Immobilization into Zeolite Particles

In vitro Adsorption of Paraquat onto Substituted Chitosan Beads.

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