TABLE 1.

OVERVIEW OF CHARACTERISTICS OF ASSAYS USED IN SPECIFIC IgE AND IgG ANTI–HEXAMETHYLENE DIISOCYANATE ANALYSES

Conjugate	Source*	Carrier	Phase Isocyanate†	Test System
HDI–ImmunoCAP	Phadia	ImmunoCAP (as solid phase)	Done by manufacturers	ImmunoCAP assay
HDIL–HSA	IRAS	HSA	Liquid	EIA
HDIV–HSA	Yale	HSA	Vapor	EIA
N3300–HSA	Yale	HSA	Liquid	EIA
N100–HSA	Yale	HSA	Liquid	EIA

Definition of abbreviations: EIA = enzyme immunoassay; HDI = hexamethylene diisocyanate; HDI_L–HSA = HDI–HSA liquid phase; HDI_V–HSA = HDI–HSA vapor phase; HSA = human serum albumin; IRAS = Institute for Risk Assessment Sciences.

Source where the conjugate was prepared, technical details, and system in which the conjugate was used are shown.

^*Sources: Phadia, Sweden; IRAS, The Netherlands; Yale School of Medicine, Connecticut.

^†Phase of the isocyanate mixture during reaction.