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Numrering	Referens	Omslagsbild	Hitta
1.	Hussain Ibupoto, Zafar, et al. (författare) Selective zinc ion detection by functionalised ZnO nanorods with ionophore 2011 Ingår i: Journal of Applied Physics. - : American Institute of Physics (AIP). - 0021-8979 .- 1089-7550. ; 110:10, s. 104702- Tidskriftsartikel (refereegranskat)abstract In this paper, highly dense and well aligned single-crystal zinc oxide nanorods were grown along the c-axis on a gold coated glass substrate using a low temperature aqueous chemical growth approach. The prepared ZnO nanorods were functionalized with plastic membrane coatings containing specific ionophore (12-crown-4) which is highly selective to zinc ions (Zn(+2)). The electrochemical response of the sensor was found to be linear over a relatively wide logarithmic concentration range from 1 mu M to 100mM. The proposed sensor showed a good linearity with a high sensitivity of similar to 35 mV/decade for sensing Zn(+2) ions. A fast response time of less than 5 s with a good selectivity, repeatability, reproducibility, and negligible response to common interferents ions such as calcium (Ca(2+)), magnesium (Mg(2+)), or potassium (K(+)), and iron (Fe(+3)) and copper (Cu(+2)) was also demonstrated. Moreover, the proposed sensor showed good stoichiometric results for potentiometric titration.

Hussain Ibupoto, Zafar, et al. (författare)
Selective zinc ion detection by functionalised ZnO nanorods with ionophore
2011
Ingår i: Journal of Applied Physics. - : American Institute of Physics (AIP). - 0021-8979 .- 1089-7550. ; 110:10, s. 104702-
Tidskriftsartikel (refereegranskat)abstract
- In this paper, highly dense and well aligned single-crystal zinc oxide nanorods were grown along the c-axis on a gold coated glass substrate using a low temperature aqueous chemical growth approach. The prepared ZnO nanorods were functionalized with plastic membrane coatings containing specific ionophore (12-crown-4) which is highly selective to zinc ions (Zn(+2)). The electrochemical response of the sensor was found to be linear over a relatively wide logarithmic concentration range from 1 mu M to 100mM. The proposed sensor showed a good linearity with a high sensitivity of similar to 35 mV/decade for sensing Zn(+2) ions. A fast response time of less than 5 s with a good selectivity, repeatability, reproducibility, and negligible response to common interferents ions such as calcium (Ca(2+)), magnesium (Mg(2+)), or potassium (K(+)), and iron (Fe(+3)) and copper (Cu(+2)) was also demonstrated. Moreover, the proposed sensor showed good stoichiometric results for potentiometric titration.

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