Background of lspr
what is lspr? what are five main different types of lspr-based sensing strategies using metal nps, including:
- detection of their lspr absorbance/scattering or color using them as labels;
- bulk refractive index sensing of the medium by direct detection of the lspr wavelength shift;
- detection of local analyte binding by direct detection of the lspr wavelength shift;
- detection of a lspr wavelength shift by analyte-induced metal np aggregation; and
- detection of analyte induced distance changes in linked metal.

Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.