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1.
FIG 2

FIG 2. From: Fundamental Characteristics of Deep-UV Light-Emitting Diodes and Their Application To Control Foodborne Pathogens.

Schematic diagram of the DUV-LED irradiation system.

Joo-Yeon Shin, et al. Appl Environ Microbiol. 2016 Jan 1;82(1):2-10.
2.
FIG 3

FIG 3. From: Fundamental Characteristics of Deep-UV Light-Emitting Diodes and Their Application To Control Foodborne Pathogens.

Continuous water decontamination system.

Joo-Yeon Shin, et al. Appl Environ Microbiol. 2016 Jan 1;82(1):2-10.
3.
FIG 4

FIG 4. From: Fundamental Characteristics of Deep-UV Light-Emitting Diodes and Their Application To Control Foodborne Pathogens.

External view (a) and emission spectrum (b) of the DUV-LED module.

Joo-Yeon Shin, et al. Appl Environ Microbiol. 2016 Jan 1;82(1):2-10.
4.
FIG 6

FIG 6. From: Fundamental Characteristics of Deep-UV Light-Emitting Diodes and Their Application To Control Foodborne Pathogens.

Petri factors (a) and intensities (b) of four LEDs according to spatial arrangements and distance from the LEDs.

Joo-Yeon Shin, et al. Appl Environ Microbiol. 2016 Jan 1;82(1):2-10.
5.
FIG 5

FIG 5. From: Fundamental Characteristics of Deep-UV Light-Emitting Diodes and Their Application To Control Foodborne Pathogens.

Comparison between DUV-LED and LP-UV lamps for warm-up time (a) and variation of intensity according to temperature (b).

Joo-Yeon Shin, et al. Appl Environ Microbiol. 2016 Jan 1;82(1):2-10.
6.
FIG 1

FIG 1. From: Fundamental Characteristics of Deep-UV Light-Emitting Diodes and Their Application To Control Foodborne Pathogens.

Various arrangements for LEDs strengthen the overall effect. Shown are original (a), evenly spaced (b), straight-line (c), 4-corners (d), and staggered-line (e) configurations.

Joo-Yeon Shin, et al. Appl Environ Microbiol. 2016 Jan 1;82(1):2-10.
7.
FIG 7

FIG 7. From: Fundamental Characteristics of Deep-UV Light-Emitting Diodes and Their Application To Control Foodborne Pathogens.

Viable-count reductions of 3 foodborne pathogens in a batch water system following UV-C irradiation. (a) E. coli O157:H7. (b) S. Typhimurium. (c) L. monocytogenes. The error bars indicate standard deviations.

Joo-Yeon Shin, et al. Appl Environ Microbiol. 2016 Jan 1;82(1):2-10.

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