Fig. 1. SEM images of AN0408 spores and hyphae. The actual structures of the AN0408 spores and hyphae are shown in the white dashed boxes in the figure, and their corresponding structural models are encircled in white solid line ellipses in the same subgraph. (a) AN0408 spores, (b) inactivated AN0408 spores, (c) AN0408 hyphae, and (d) inactivated AN0408 hyphae.

Fig. 2. Schematic of the broadband transmittance experiment in the bioaerosol chamber.

Fig. 3. (a) ATR FT-IR spectra and (b) characteristic peaks of AN0408 spores and hyphae for ATR FT-IR spectra.

Fig. 4. Protein secondary structure fitting results.

Fig. 5. CRI of active and inactivated spores and hyphae.

Fig. 6. Results of the DDA method and the Monte Carlo algorithm.

Fig. 7. Results of the aerosol chamber test for (a) the MIR band and (b) the FIR band.

Fig. 8. Comparison of experimental results with simulation results for (a) the MIR band and (b) the FIR band.

Table 1. Relative Contents of Proteins, Polysaccharides, and Fatty Acids