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Fall, B.I.* ; Eberlein-König, B.* ; Behrendt, H. ; Niessner, R.* ; Ring, J.* ; Weller, M.G.*

Microarrays for the screening of allergen-specific IgE in human serum.

Anal. Chem. 75, 556-562 (2003)
DOI
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
The described in vitro test system for allergy diagnosis is based on microscope glass slides activated with (3-glycidyloxypropyl)trimethoxysilane. Allergen solutions are immobilized as small droplets (∼10 nL) on the activated glass slides with a piezoelectric arrayer. In contrast to other tests for specific IgE, such as Pharmacia CAP FEIA, AlaSTAT, or FAST, only a 25-μL serum sample is needed for the screening of allergen-specific IgE against a multitude of allergens and the test can be performed in less than 1 h. Compared with multiallergen dipstick screening tests (e.g., IgEquick, CMG Immunodot) based on multiallergen-coated nitrocellulose strips, the measurement of the microarray-based system can be performed automatically. The chemiluminescence intensities are detected with a sensitive CCD camera. Allergen extracts and recombinant/purified allergens (24 preparations) have been used on the same modified surface for the screening of allergen-specific IgE. With these disposable microarray slides, it is possible to distinguish between patients with and without elevated levels of allergen-specific IgE. Repeated measurements of serum samples demonstrated a sufficient reproducibility. Detection limits (μg/L) of 0.35 (r Bet v1), 0.16 (PLA2), and 1.9 (Der p1) were achieved.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Sprache englisch
Veröffentlichungsjahr 2003
HGF-Berichtsjahr 0
ISSN (print) / ISBN 0003-2700
e-ISSN 1520-6882
Zeitschrift Analytical Chemistry
Quellenangaben Band: 75, Heft: 3, Seiten: 556-562 Artikelnummer: , Supplement: ,
Verlag American Chemical Society (ACS)
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Epidemiology (EPI)
Institute of Lung Health and Immunity (LHI)
POF Topic(s)
30202 - Environmental Health
PSP-Element(e) FE 73991
G-521200-001
DOI 10.1021/ac026016k
Erfassungsdatum 2003-12-31
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