Enhanced performance of pocket-sized nanoparticle exposure monitor for healthy indoor environment
| Autor: | Erik Uhde, Hutomo Suryo Wasisto, Erwin Peiner |
|---|---|
| Přispěvatelé: | Publica |
| Rok vydání: | 2016 |
| Předmět: |
Environmental Engineering
Cantilever Materials science integrated system 010504 meteorology & atmospheric sciences airborne nanoparticles Geography Planning and Development Sampling (statistics) Nanoparticle Response time 02 engineering and technology Building and Construction 021001 nanoscience & nanotechnology 01 natural sciences cantilever resonator Volume (thermodynamics) Power consumption Measuring principle Electronic engineering Occupational exposure electrophoretic sampler 0210 nano-technology 0105 earth and related environmental sciences Civil and Structural Engineering Biomedical engineering |
| Zdroj: | Building and Environment. 95:13-20 |
| ISSN: | 0360-1323 |
| Popis: | An electrophoretic cantilever-based nanoparticle (NP) sensor was described and evaluated for personal monitoring of occupational exposure at indoor environment. Measurements performed under defined NP concentrations in a conditioned chamber confirmed the feasibility of the measurement principle. For the first laboratory sample of the sensor cyclic switching between NP sampling and frequency tracking revealed settling times of 5 min and 1.5 min, respectively, until stable conditions were reached. Using an enhanced design of the sampling head this response time was considerably reduced to 20 s. With a total device volume of 540 cm3, weight of 375 g, and power consumption of 1.25 W the fully integrated pocket-sized system can be easily held or worn, e. g., by workmen in nanotechnology industry during their working shifts. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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