Imunoensaio

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Um imunoensaio é um teste bioquímico que mede a presença ou concentração de uma macromolécula ou uma pequena molécula em uma solução através do uso de um anticorpo (usualmente) ou um antígeno (às vezes). A molécula detectada pelo imunoensaio é frequentemente referida como um "analito" e é em muitos casos uma proteína, embora possam ser outros tipos de moléculas, de tamanhos e tipos diferentes, desde que sejam desenvolvidos os anticorpos [1]adequados que tenham as propriedades adequadas para o ensaio. Analitos em líquidos biológicos tais como soro ou urina são frequentemente medidos usando-se imunoensaios para propósitos médicos e de pesquisa.[2]

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