کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
744456 | 894387 | 2011 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Polymer matrices effects on the sensitivity and the selectivity of optical chemical sensors
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Polymer matrices effects on the sensitivity and the selectivity of optical chemical sensors Polymer matrices effects on the sensitivity and the selectivity of optical chemical sensors](/preview/png/744456.png)
چکیده انگلیسی
Polymers are commonly used in optical chemical sensors as inert supports for indicator dyes keeping the molecules apart to allow for exposure to analytes and to maintain the peculiar optical properties of the sensitive dyes. However, the partitioning properties of polymers may play a significant role in determining the sensitivity of the sensors. Herewith, the properties of a single dye blended with different polymers have been studied through optical absorbance changes elicited by the exposure to organic vapors. Results show that the partitioning properties of polymers modulate the response of the dye and confer a combinatorial selectivity to the system, allowing for the recognition of vapors.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Sensors and Actuators B: Chemical - Volume 154, Issue 2, 20 June 2011, Pages 220–225
Journal: Sensors and Actuators B: Chemical - Volume 154, Issue 2, 20 June 2011, Pages 220–225
نویسندگان
Francesca Dini, Eugenio Martinelli, Roberto Paolesse, Daniel Filippini, Arnaldo D’Amico, Ingemar Lundström, Corrado Di Natale,