Highly sensitive detection of fungal antigens by ultrasound-enhanced latex agglutination

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Abstract
Treatment with ultrasound has been employed to greatly enhance the sensitivity of commercially available latex agglutination tests for fungal antigens. This 5 min procedure detects 40 pg ml−1 of Candida albicans mannan and 70 pg ml−1 of Aspergillus fumigatus galactomannan, a 250 and 500-fold improvement respectively over conventional agglutination test sensitivities. The ultrasound-enhanced test offers the possibility of improved diagnosis and management of patients with systemical candidosis or invasive aspergillosis.