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| 当A﹙3×10-5mol/L，水﹚与金属离子Na+，K+，Mg2+，Ca2+,Ba2+,Fe3+,Cu2+,Cd2+和Pb2+相互作用（金属离子为9×10-5mol/L）,A的荧光都有不同程度的猝灭，但是当Zn2+在相同的情况下被引入时，A在370 nm处荧光发射峰猝灭的同时，在454nm处荧光峰明显增强，呈现出比率荧光的特征，因此，化合物A具备了作为检测Zn2+的比率荧光探针的基本条件。 |
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sltmac: 金币+1 2012-09-19 10:35:51
sltmac: 金币-5, 违规存档, 机器翻译，初犯，扣5金币~~ 2012-10-23 08:43:30
sltmac: 金币+1 2012-09-19 10:35:51
sltmac: 金币-5, 违规存档, 机器翻译，初犯，扣5金币~~ 2012-10-23 08:43:30
| When the A (3 × 10-5mol / L, water) and metal ions Na + of K +, Mg2 +, Ca2 +, Ba2 +, Fe3 +, Cu2 +, Cd2 + and Pb2 + interaction (metal ion 9 × 10-5mol / L), A'sfluorescence have different degrees of quenching, but when the Zn2 + in the case of the same is introduced, a at 370 nm of Quenching of the fluorescence emission peak in the 454 nm fluorescence peak at significantly enhanced, showing the ratio of fluorescence characteristics, so, Compound A has the basic conditions of the ratio of fluorescent probe as a detector ZN2 + |
2楼2012-09-15 20:32:06
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sltmac: 金币+1 2012-09-19 10:35:56
sltmac: 金币+30, 翻译EPI+1, 感谢应助，欢迎常来 2012-10-23 08:45:05
sltmac: 金币+1 2012-09-19 10:35:56
sltmac: 金币+30, 翻译EPI+1, 感谢应助，欢迎常来 2012-10-23 08:45:05
| When A (3 × 10-5mol / L, water) interacted with Na+, K+, Mg2+, Ca2+, Ba2+, Fe3+, Cu2+, Cd2+ and Pb2+ (metal ions 9 × 10-5mol/L), variable fluorescence quenching of A was seen. However, when Zn2+ was introduced in this case, A showed significantly increased intensity of fluorescence emission peak at 454 nm on quenching of the fluorescence emission peak at 370 nm, exhibiting ratiometric fluorescence. Therefore, compound A meets the prerequisite for ratiometric fluorescent probe for detecting Zn2+. |
3楼2012-09-16 16:47:09
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sltmac: 金币+1 2012-09-19 10:35:59
sltmac: 金币+1 2012-09-19 10:35:59
| A (3 × 10-5mol / L, water) and metal ions Na +, K +, Mg2 +, Ca2 +, Ba2 +, Fe3 +, Cu2 +, Cd2 + and Pb2 + interaction (metal ions to 9 × 10-5mol / L), the A's fluorescencehave different degrees of quenching, but when the Zn2 + in the case of the same is introduced into the, a quenched the fluorescence emission peak at 370 nm at the same time, in the 454 nm fluorescence peak at significantly enhanced, showing the ratio of fluorescence characteristics, therefore,compound A has the basic conditions as the ratio of fluorescence detection Zn2 + probe. |
4楼2012-09-18 22:51:13