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Table 1 Individuals, contact agents and macroscopic responses

From: Up-regulation of the chemokine CCL21 in the skin of subjects exposed to irritants

Subjects Contact agents Concentration (w/v) Time of exposition Macroscopic response#
Control skin
  Normal skin from all patients - - 0
GN Patch alone - 24 h 1
Specific antigens
PF Nickel 5% 48 h 3
GL Peru Balsam 25% 48 h 3
Chemical agents
RL Aqueous Sodium Lauryl Sulphate 10% 24 h 2
EY Toluene undiluted 24 h 2
AR Trichloroacetic acid 35% 24 h 3
CL Sodium Hypochlorite undiluted 24 h 2
SD Salicylic Acid 30% 24 h 2
CM Sodium Hydroxide 10% 24 h 3
PC Glycolic Acid 70% 24 h 2
KM Benzalkonium chloride 5% 24 h 2
Phisical agents
KR Tape striping - 15 min 1
EE Liquid Nitrogen - 2 cycles of 15 sec 3
MA Ruda tea + UVA - 5 min 1
Kinetic response
AJ SLS 10 % - 0
AJ SLS 10 % 10 h 1
AJ SLS 10 % 48 h 2
AJ SLS 10 % 96 h 1
AJ SLS 10 % 168 h 1
  1. # Macroscopic response grading scale: no irritation = 0, weak = 1, moderate = 2, strong = 3