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[Study on manufacturing materials of imitation snails]
Xi-Gui Chen1, Ding-Wen Shen, Peng-Cheng Chen
1Basic Medical College of Xianning University, Xianning 437100, China.
Objective:
To make imitation snails by using substances with chemotaxis to Schistosoma japonicum miracidia.
Methods:
The imitation snails were made by using Fe3+, gelatin and agar. The modified comparison method of Roberts was used to observe the chemotaxis of imitation snails and snail conditioned water (SCW) to Schistosoma japonicum miracidia.
Results:
The mixture consisting of 0.1 or 0.5 mol/L Fe3+, 9% or 10% gelatin, and that consisting of 0.5 mol/L Fe3+, 9% gelatin, 2% or 1% agar could be used to make the imitation snails. The chemotaxis of imitation snails made by the mixtures above was stronger than that of SCW.
Conclusion:
The mixtures made by certain proportion of Fe3+, gelatin or gelatin and agar can be used to make imitation snails.
