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qch2010金蟲 (小有名氣)
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[求助]
急需英文摘要翻譯成漢語，謝謝
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| In this paper, cyclodextrin–graphene hybrid nanosheets (CD–GNs) for the first time have been used as an enhanced material for ultrasensitive detection of carbendazim by electrochemistry method. The peak currents of carbendazim on the GNs modified glassy carbon electrode (GNs/GCE) and the CD–GNs/GCE are increased by 11.7 and 82.0 folds compared to the bare GCE, respectively. This indicates the nanocomposite film not only shows the excellent electrical properties of GNs but also exhibits high supramolecular recognition capability of CDs. At the CD–GNs/GCE, the peak currents increase linearly with the concentration of carbendazim in the range of 5 nM–0.45M. The detection limit of carbendazim reached to 2 nM on the basis of the signal-to-noise characteristics (S/N = 3) and the recoveries were between 98.9% and 104.5%. The developed electrochemical sensor exhibited good stability and reproducibility for the detection of carbendazim. And the CD–GNs based electrochemical sensor was also successfully demonstrated for the detection of carbendazim in water sample with satisfactory results. Furthermore, this simple sensing platform can in principle be extended to the detection of other benzimidazole fungicide which can form host–guest complexes with cyclodextrin. |
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phu_grassman
榮譽版主 (知名作家)
快樂島、布吉島島主
- 翻譯EPI: 265
- 應(yīng)助: 7 (幼兒園)
- 貴賓: 1.392
- 金幣: 7538.7
- 散金: 11599
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- 沙發(fā): 11
- 帖子: 5611
- 在線: 1480.2小時
- 蟲號: 1151372
- 注冊: 2010-11-20
- 專業(yè): 電化學(xué)
- 管轄: English Cafe
【答案】應(yīng)助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
Mally89: 金幣+1, 感謝應(yīng)助，歡迎常來哈！ 2012-06-21 19:57:25
qch2010: 金幣+20, 翻譯EPI+1 2012-06-22 12:07:49
Mally89: 金幣+1, 感謝應(yīng)助，歡迎常來哈！ 2012-06-21 19:57:25
qch2010: 金幣+20, 翻譯EPI+1 2012-06-22 12:07:49
| 這篇論文首次將環(huán)糊精-石墨烯雜化的納米片作為電化學(xué)增強源用于多菌靈的高靈敏檢測。多菌靈在GNs和CD-GNs修飾的玻碳電極的峰電流比無任何修飾的玻碳電極分別增強了11.7和82.0倍。這表明納米復(fù)合物膜不僅具有GNs的極好的電學(xué)性能，還具有顯示出環(huán)糊精極好的超分子識別能力。在CD–GNs/GCE上，峰電流隨著多菌靈濃度（在5 nM–0.45 M間）呈線性增加，多靈菌的檢測限達到2 nM(在信噪比為3的基礎(chǔ)上)，回收率為98.9%-104.5%。這種改進的電化學(xué)傳感器在多菌靈的檢測中展現(xiàn)了良好的穩(wěn)定性和重現(xiàn)性同時它也成功地用于水樣中多菌靈的檢測，并獲得了滿意的結(jié)果。此外，這種簡單的傳感平臺原則上可以擴展到其他可以和環(huán)糊精形成主體-客體復(fù)合物的苯并咪唑類殺菌劑的檢測。 |
2樓2012-06-20 20:41:53
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