. 2022 Jan 19;12(2):144. doi: 10.3390/life12020144

Table 1.

Radiation exposure scenarios at the NASA Space Radiation Lab (NSRL).

Model Organism	Scenario	Particle/s	Total Primary Dose Delivered (cGy)	Dose Rate (cGy/min)	Shielding	Total Dose Seeds Exposed (cGy)
Imbibed Arabidopsis seeds	Proton Particles	250 MeV/n H¹+	20	Acute	N/A	20
			40	Acute	N/A	40
			39.5	0.166	N/A	39.5
Imbibed Arabidopsis seeds	Titanium Ions	300 MeV/n Ti⁴⁸+	20	Acute	N/A	20
			40	Acute	N/A	40
			39.5	0.166	N/A	39.5
Imbibed Arabidopsis seeds	GCR1: Galactic cosmic ray (GCR) simulation	44% 344 MeV/n H¹+ 19% 344 MeV/n He⁴+ 24% 450 MeV/n O¹⁶+ 13% 950 MeV/n Fe⁵⁶+	40	Acute	20 g/cm² Aluminum and high density polyethylene 10.345 g/cm²	29
			40	0.166		29
			80	Acute		58
			80	0.166		58
Dry Arabidopsis seeds and Mizuna seeds	GCR2: Simplified GCR simulation	35% 1000 MeV/n H¹+ 39% 250 MeV/n H¹+ 18% 250 MeV/n He⁴+ 6% 350 MeV/n O¹⁶+ 1% 600 MeV/n Si+ 1% 600 MeV/n Fe⁵⁶+	40	Acute	N/A	40
			40	0.333		40
			80	Acute		80
			80	0.333		80
Imbibed Arabidopsis seeds and Mizuna seeds	SPE: 1972 simulation	50–150 MeV/n H¹+	40	Acute	N/A	40
			40	0.444		40
			80	Acute		80
			80	0.444		80
			200	Acute		200