LI Qiu-jin1, ZHAO Yuan-li1, SU Nan2, et al. Study on multi-walled carbon nanotubes adsorbs adenine[J]. 2008, (7): 28-30. DOI: 10.13873/j.1000-97872008.07.004.
Multi-wall carbon nanotubes film on the interdigitated electrode by using screen print method is prepared.The test is carried out on the electricity character of carbon nanotubes adsorbing adenine.The mechanism of carbon nanotube absorbed adenine is analyzed elementally.The electric resistance of carbon nanotubes film is enhanced obviously after absorbed adenine.The carbon nanotubes film modified by turbid acid is more sensitive.The sensitivity increases along with the concentration increase of the adenine.The performance of film stabilizes basically in different electric current range.This explains that carbon nanotube can be the DNA sensor.
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