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    • 4. 发明授权
    • Chemical/biological sensor employing scattered chromatic components in nano-patterned aperiodic surfaces
    • 化学/生物传感器在纳米图案非周期表面中使用散射色彩成分
    • US08339597B2
    • 2012-12-25
    • US13192757
    • 2011-07-28
    • Luca Dal NegroSvetlana V. BoriskinaFiorenzo Omenetto
    • Luca Dal NegroSvetlana V. BoriskinaFiorenzo Omenetto
    • G01J3/44
    • G01N21/4738G01N21/253G01N21/78G01N2021/4735
    • A label-free multiplexed sensing platform is based on light interaction with aperiodic photonic structures with an advantage of a broadband operation. Multiple-scattering-induced “fingerprinting” colorimetric signatures can be used as a transduction mechanism. Aperiodic sensing platforms can operate in the infrared to provide an overlap with spectral fingerprints of biological molecules. Miniaturized optical biosensors may be based on engineered colorimetric scattering signatures (structural color), sharp spectral features, non-uniform angular distributions of scattered light, and broadband manipulation of the local density of states in nano-textured scattering surfaces with deterministic aperiodic order. The biosensors can be fabricated in semiconductor, metal, low- and high-index dielectric platforms using standard nanofabrication techniques such as electron-beam lithography, ion-beam milling, etc, and can be replicated over large areas by standard nano-imprint lithography.
    • 无标签的多路复用传感平台基于与非周期性光子结构的光相互作用,具有宽带操作的优点。 多重散射诱导的指纹图谱可用作转导机制。 非周期感测平台可以在红外线中操作,以提供与生物分子的光谱指纹的重叠。 小型化的光学生物传感器可以基于工程化的比色散射特征(结构颜色),尖锐的光谱特征,散射光的非均匀角分布以及宽带处理具有确定性非周期性的纳米纹理散射表面中的局部状态密度。 生物传感器可以使用标准的纳米制造技术如电子束光刻,离子束铣削等制造在半导体,金属,低折射率和高折射率的介质平台中,并且可以通过标准的纳米压印光刻在大面积上进行复制。