General method for the covalent immobilisation of indicators in, or onto a support useful for the fabrication of optical sensors
申请人:Innosense S.r.l.
公开号:EP1213583A1
公开(公告)日:2002-06-12
The invention discloses a method for the covalent immobilisation of indicator dyes in, or onto a support. The dyes can work in absorbance, reflectance or fluorescence mode. The dyed support is useful as the transducer element in an optical sensor. According to the invention, Figure 1, the indicator dye is dissolved or suspended in a solvent medium, optionally containing electrolytes to control ionic strength and pH. Aqueous formaldehyde is then added to the mixture. A support to be used as the sensing element in an optical sensor is added to the mixture and stirred or shaken for a period of time at a temperature comprised between room temperature and 100°C. Suitable supports include inorganic and organic polymers with primary and/or secondary amino groups.
本发明公开了一种将指示剂染料共价固定在支持物中或支持物上的方法。这些染料可以在吸光、反射或荧光模式下工作。染色支撑物可用作光学传感器中的换能器元件。根据本发明,如图 1 所示,指示剂染料溶解或悬浮在溶剂介质中,可选择含有电解质以控制离子强度和 pH 值。然后向混合物中加入甲醛水溶液。将用作光学传感器传感元件的支撑物加入混合物中,并在室温至 100°C 之间的温度下搅拌或振荡一段时间。合适的支撑物包括带有伯氨基和/或仲氨基的无机和有机聚合物。