کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9952766 | 1461820 | 2018 | 24 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Label-free ferrule-top optical fiber micro-cantilever biosensor
ترجمه فارسی عنوان
بیوسنسور میکرو کانولا فیبر نوری فیبر نوری بدون لعاب
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
الکتروشیمی
چکیده انگلیسی
Micro-cantilever sensors have shown great promise in a wide range of applications including chemical medical and biological sensing. However, many of these devices are based upon a sensor 'chip' that requires careful alignment between the cantilever and the read-out system, which can be challenging. Furthermore, optical interrogation typically involves a bulky free-space system. Optical fiber addressed cantilevers have been reported previously in the literature and in this paper we propose techniques to design and fabricate polymer micro-cantilevers onto the end of standard single mode fibers using ns-laser machining. The cantilever will deflect and thereby observing biological binding between species of interests and activated cantilevers. Proof-of-concept experiments demonstrate that the sensor is capable of detecting Listeria food pathogen concentrations with a minimum level of less than 105cfu/ml.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Sensors and Actuators A: Physical - Volume 280, 1 September 2018, Pages 505-512
Journal: Sensors and Actuators A: Physical - Volume 280, 1 September 2018, Pages 505-512
نویسندگان
J. Li, Y.X. Zhou, Y.X. Guo, G.Y. Wang, R.R.J. Maier, D.P. Hand, W.N. MacPherson,