So far this is what many others and myself have figured out in terms of the effects and what the symbols look like.
Toxicity
EFFECT: Increases damage done to the affected target by 20%
Electrical
EFFECT: Stuns target and enemies near target, also shorts out HUD.
Incendiary
EFFECT: Burns the enemy, dealing damage over time. Also, causes NPC's to panic.
Biological
EFFECT: Slows enemies movement and decreases their damage dealt.
Radiation
EFFECT: Makes target vulnerable and increases the damage they take.
Syphon
EFFECT: When the effect is triggered, it will heal the players HP, or shield should the player have max HP. When the effect occurs you will hear a sound and a few seconds later around ~450 damage will be applied to the target and you will be healed.
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Useful Info:
Quick FYI, you can use roll/dodge when you are suffering a nano effect to remove it early. Works on goo, electric, fire, etc. Stop, Drop, and Roll! - EmptyOwl
**If anyone has any corrections please feel free to post and I will make the necessary adjustments.









