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Cold Plasma: Pink physics for a
greener tomorrow
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10 Years of technology development
2009 2019
Helium
Basic transformers
Air
Programmable plasma
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Plasma Agriculture
Sample Control
Direct ACP Indirect ACP
30 s 1 min 3 min 30 s 1 min 3 min
Shoots length
[mm] 67.3 ± 4.2a 79.9 ± 3.1b,c 78.9 ± 2.5b,c 68.8 ± 2.2a 83.9 ± 0.9c 84.1 ± 1.2c 77.7 ± 5.5b
Roots length [mm]
57.3 ± 2.6a 65.4 ± 1.9b 72.6 ± 1.6d,e 74.2 ± 2.7e 68.2 ± 2.8b,c 69.9 ± 2.3c,d 75.8 ± 0.8e
Increased rates of germination
• Seed treatment• Green fertilizer• Mycotoxin degradation• Green pesticide• Food preservation• Food washing• Biomass conversion
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Seed treatmentThe biological seed treatment market projected to grow from $739.3 million in 2017 to $1.25 billion by 2022
Source: Allied Market Research
TRL5
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Plasma can increase drought tolerance by improving antioxidant enzyme activities, increasing osmotic-adjustment products, and reducing lipid peroxidation
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Grain preservation
T. castaneum eggs hatching
0
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0 10 30 60 120
% H
atch
ing
Treatment time, s
Control
ACP
TRL5
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MycotoxinsCosts for the agricultural industry in the United States due to mycotoxin contamination(according to the food and agricultural regulations) can reach 1,500,000,000 USD per year.
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In-package cold plasma technology
Treated Untreated
UNTREATED CONTROL TOMATOES SHOW SIGNS OF SPOILAGE AT THE END OF THEIR SHELF-
LIFE, WHILE THOSE THAT WERE PLASMA-TREATED SHOW NO SIGNS OF SPOILAGE YET.
TRL6
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Allergenic reduction
Lane 1: Control; Lane 2- 15min; Lane 3: 30 min; Lane 4: 45min Lane 5: 1hr
Whole Peanut
Lane 1: Control; Lane 2- 15min; Lane 3: 30 min; Lane 4: 45min Lane 5: 1hr
Defatted Peanut flour
TRL2
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Pesticide removal• Fruits• Grains• Water
TRL5
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Plasma activated water
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Chlorpyrifos Carbaryl
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Jacuzzi plasma systemTRL
6
PAW lettuce washing
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Plasma Activated Ice
TRL3
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-2 0 2 4 6 8 10 12 14 16
-200
0
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1400 H2O2
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O2
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O- 2
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M)
Time (mins)
NO-2
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NO-3
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O- 3
(m
M)
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Time (mins)
H2O2
-400
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NO-2
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H2
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O- 2
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NO-3
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NO
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(mM
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Reactive Nitrogen SpeciesTech fertilizer
Reactive Oxygen SpeciesTech disinfection
Tailoring Reactive Species
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PAW: Soybean growth
Scale-up trials at greenhouse scale are on-going
TRL6
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Biomass conversion• Coffee grounds• Brewers spent grain• Microalgae • ….• ..
TRL4
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Laser-induced breakdown
spectroscopy
A type of atomic emission spectroscopy which uses a highlyenergetic laser pulse as the excitation source.
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LIBS
DIT system:
Laser: Nd:YAG Wavelength: 1064 nm Energy: 0-150 mJ Rep rate: up to 5 Hz
Energy stability:
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Heavy metals in fish feed, seafood
Food authenticity
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Guinness as the forth state of
matter