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I am trying to pick the appropriate gold nanoparticles for my lateral flow assay. Is there a "right" size? Any tips? Spherical gold nanoparticles strongly absorb the blue.....Read more.
If we assume that the photoacoustic system (transducer, receive electronics, laser, etc.) is operating correctly, then the amount of light delivered and the net optical absorption must be increased to.....Read more.
Most biomedical applications involving nanoparticles require targeted delivery into specific cells. While traditional small molecule drugs enter cells mainly through passive diffusion or active transport, nanomedicines are transported across the membrane via.....Read more.
From past efforts using mice models, our local Institutional Animal Care and Use Committee (IACUC) has allowed injections up to 10%.....Read more.
Why do gold nanoparticles aggregate? What can cause aggregation? How to prevent aggregation? Ensure your AuNPs are in top form....Read more.
Optical density is a common method to quantify the concentration of solutes or nanoparticles. As per Beer-Lambert’s law, the absorbance (or more properly termed “extinction”) of a particular sample is proportional ....Read more.
How do you calculate these values and what do they mean to researchers working with gold nanoparticles? To understand these properties, let us consider the path of light through a sample cuvette....Read more.
What factors determine LSPR and how does it influence results? A plasmon is a quasi-particle defined as a quantum of plasma oscillation, commonly observed in metals.....Read more.
At large interparticle distances, the surface plasmon resonance is based on the size and geometry of the nanoparticle. However, at close proximity plasmon coupling can occur, where the surface plasmons of adjacent nanoparticles interact......Read more.
The formation of "dog bones" or other shapes such as "dumbbells" or "peanut shaped" particles in a gold nanoparticle solution may be a quality control issue and can be attributed to.....Read more.
Photoacoustic imaging requires light energy to be absorbed by nanorods, converted to heat energy, and then converted to pressure waves; in vivo imaging problems can manifest in a number of ways. If we assume....Read more.
Uncoated gold nanoparticles can aggregate in solution. Passivating their surface with specialized coatings, helps preserve their optical properties and resist aggregation and shape change under....Read more.
What is CTAB and is it toxic to cells? If yes, why is it used in gold nanorod synthesis? CTAB is a cationic surfactant also known as Cetrimonium....Read more.
When you see the term "bare" nanoparticles, typically this indicates that the particles are provided in ....Read more.