Electrochemical Determination of Nitrite by Au Nanoparticle/Graphene-Chitosan Modified Electrode
文献类型：期刊论文
| 作者 | Li, Chengyong; Wang, Xuehua; Yuan, Qiong; Yan, Xiemin; Mo, Rijian; Su, Tiantian; Feng, Yanting; Lv, Lulu; Zhou, Chunxia; Hong, Pengzhi |
| 刊名 | SENSORS
 |
| 出版日期 | 2018 |
| 文献子类 | 期刊论文 |
| 英文摘要 | A highly sensitive nitrite (NO2-) electrochemical sensor is fabricated using glassy carbon electrode modified with Au nanoparticle and grapheme oxide. Briefly, this electrochemical sensor was prepared by drop-coating graphene oxide-chitosan mixed film on the surface of the electrode and then electrodepositing a layer of Au nanoparticle using cyclic voltammetry. The electrochemical behavior of NO2- on the sensor was investigated by cyclic voltammetry and amperometric i-t curve. The results showed that the sensor exhibited better electrocatalytic activity for NO2- in 0.1 mol/L phosphate buffer solution (PBS) (pH 5.0). The oxidation peak current was positively correlated with NO2- concentration in the ranges of 0.9 mu M to 18.9 mu M. The detection limit was estimated to be 0.3 mu M. In addition, the interference of some common ions (e.g., NO3-, CO32-, SO42-, Cl-, Ca2+ and Mg2+) and oxidizable compound including sodium sulfite and ascorbic acid in the detection of nitrite was also studied. The results show that this sensor is more sensitive and selective to NO2-. Therefore, this electrochemical sensor provided an effective tool for the detection of NO2-. |
| URL标识 | 查看原文 |
| 语种 | 英语 |
| 源URL | [http://ir.siat.ac.cn:8080/handle/172644/14856]  |
| 专题 | 深圳先进技术研究院_其他 |
| 推荐引用方式 GB/T 7714 | Li, Chengyong,Wang, Xuehua,Yuan, Qiong,et al. Electrochemical Determination of Nitrite by Au Nanoparticle/Graphene-Chitosan Modified Electrode[J]. SENSORS,2018. |
| APA | Li, Chengyong.,Wang, Xuehua.,Yuan, Qiong.,Yan, Xiemin.,Mo, Rijian.,...&Wang, Zhe.(2018).Electrochemical Determination of Nitrite by Au Nanoparticle/Graphene-Chitosan Modified Electrode.SENSORS. |
| MLA | Li, Chengyong,et al."Electrochemical Determination of Nitrite by Au Nanoparticle/Graphene-Chitosan Modified Electrode".SENSORS (2018). |
入库方式： OAI收割
来源：深圳先进技术研究院
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