Nonlinear light scattering and spectroscopy of particles and droplets in liquids
Nano-and microparticles have optical, structural, and chemical properties that differ from
both their building blocks and the bulk materials themselves. These different physical and …
both their building blocks and the bulk materials themselves. These different physical and …
Surface structure of sodium dodecyl sulfate surfactant and oil at the oil-in-water droplet liquid/liquid interface: a manifestation of a nonequilibrium surface state
We present sum frequency scattering spectra on kinetically stabilized emulsions consisting
of nanoscopic oil droplets in water, stabilized with sodium dodecyl sulfate (SDS). We have …
of nanoscopic oil droplets in water, stabilized with sodium dodecyl sulfate (SDS). We have …
On the models for understanding the second harmonic generation scattering from lipid membranes and the corresponding molecular kinetics
S Chen, Y Hou, B Xu, S Chen, Q Yuan… - Colloids and Surfaces A …, 2024 - Elsevier
The kinetics of molecular transportation through lipid membranes are key information for
understanding many biophysical processes in real cells or protocells. Second harmonic …
understanding many biophysical processes in real cells or protocells. Second harmonic …
[HTML][HTML] Size dependence of second-harmonic scattering from nanoparticles: Disentangling surface and electrostatic contributions
Polarimetric angle-resolved second-harmonic scattering (AR-SHS) is an all-optical tool
enabling the study of unlabeled interfaces of nano-sized particles in an aqueous solution. As …
enabling the study of unlabeled interfaces of nano-sized particles in an aqueous solution. As …
Activation of thiols at a silver nanoparticle surface
Adsorption of organosulfur (thiol) molecules on noble metal surfaces has been widely used
to fabricate self-assembled monolayers or modify surface properties in a broad range of …
to fabricate self-assembled monolayers or modify surface properties in a broad range of …
[HTML][HTML] Obtaining molecular orientation from second harmonic and sum frequency scattering experiments in water: Angular distribution and polarization dependence
We present a method for determining molecular orientation from second-order nonlinear
light scattering experiments. Our modeling shows that there is an optimal angular region, for …
light scattering experiments. Our modeling shows that there is an optimal angular region, for …
Time-resolved molecular transport across living cell membranes
J Zeng, HM Eckenrode, SM Dounce, HL Dai - Biophysical Journal, 2013 - cell.com
It is shown that the nonlinear optical phenomenon known as second-harmonic generation
can be used for label-free, time-resolved study of the transport of molecules through living …
can be used for label-free, time-resolved study of the transport of molecules through living …
Second harmonic light scattering from the surface of colloidal objects: theory and applications
Because properties of colloids containing micro-and nano-particles are much influenced by
the structure of, and interactions occurring at, the particle surface, it is important to be able to …
the structure of, and interactions occurring at, the particle surface, it is important to be able to …
Separating surface structure and surface charge with second-harmonic and sum-frequency scattering
We analyze the effect of an electrostatic surface charge on the angular nonlinear light
scattering pattern from spherical particles in solution. An electrostatic field near a charged …
scattering pattern from spherical particles in solution. An electrostatic field near a charged …
Determination of the surface charge density of colloidal gold nanoparticles using second harmonic generation
Second harmonic generation is used to investigate the surface charge density of 50 nm
colloidal gold nanoparticles in water. The gold nanoparticles are thiolated with …
colloidal gold nanoparticles in water. The gold nanoparticles are thiolated with …