Hu Yuxia, Zhao Nanjing, Gan Tingting, Duan Jingbo, Liu Jianguo, Liu Wenqing. Growth Stages Characteristic Parameters of Bacteria in Water Based on Multi-Wavelength Transmission Spectra[J]. Chinese Journal of Lasers, 2018, 45(2): 207023
- Chinese Journal of Lasers
- Vol. 45, Issue 2, 207023 (2018)
Fig. 1. Optical density of Escherichia coli in water at 600 nm versus time
Fig. 2. Normalized spectra of Escherichia coli suspension at different growth stages
Fig. 3. Changes of average size and the internal average size of Escherichia coli cells in water versus time
Fig. 4. Micrographs of Escherichia coli cells at different growth stages. (a) 1 h; (b) 2 h; (c) 3 h; (d) 4 h; (e) 5 h; (f) 6 h; (g) 7 h
Fig. 5. Bacteria concentration versus time
Fig. 6. Absorption coefficients of total nucleic acid, chromophoric amino acids, and dipicolinic acid (DPA) in microorganism[19]
Fig. 7. (a) Total content of nucleotides in suspensions of Escherichia coli versus time; (b) average content of nucleotides per cell of Escherichia coli versus time
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