Two methods are described for the determination of L-glutamic acid using a series-electrode piezoelectric quartz crystal sensor. The effect of formaldehyde solution on the frequency shift is discussed. For the calibration curve method, in formaldehyde medium, the detection limit is 3.8. lop5 M, the
โฆ LIBER โฆ
Quantitative determination ofLactobacillusspp. in milk using a series piezoelectric quartz crystal sensor
โ Scribed by Hung-Der Jang; Ku-Shang Chang; Yuan-Guey Lee; Sue-Jan Lee; Chuan-Liang Hsu
- Book ID
- 105900114
- Publisher
- Springer
- Year
- 2009
- Tongue
- English
- Weight
- 330 KB
- Volume
- 229
- Category
- Article
- ISSN
- 0044-3026
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A new method for biochemical oxygen demand (BOD) determination, which combines the series piezoelectric quartz crystal (SPQC) technique with the growth of a microorganism is presented in this paper. This method needs no immobilization of bacteria and is simple and convenient. When a calibration tech