The surface area of inhaled nanoparticles favors the formation of free radicals (i.e. superoxide anions or hydroxyl radicals), which drive oxidative stress, an underlying mechanism that promotes inflammatory responses (14, 15). The ratio of surface atoms to total atoms or molecules increases exponentially with decreasing particle size, contributing to the surface reactivity (10). Oberdörster confirmed this by examining a difference in toxicities from nano-sized versus micron-sized titanium dioxide particles of the crystalline type, anatase, when instilled at the same mass dose. The nano-sized particles were more reactive than the micron-sized particles. The data was linearly correlated when the same experiments were performed at the same surface area dose (1)

In response The Mac to his Publication

Has anyone ever noticed how Titanium Dioxide is in a plethora of products?

In response Photon 333 to her Publication
In response The Mac to his Publication

I’m still waiting for a reply. 🤷🏼‍♂️

In response The Mac to his Publication

They are trying to erase everything.

In response The Mac to his Publication
In response The Mac to his Publication

I am a Information Treasure Hunter. I was sent to earth to teach Love and Kindness

In response The Mac to his Publication

quantum dots WHICH are where?

In response arba happihr to her Publication

What is a solid lipid nanoparticle?

In response The Mac to his Publication

In recent years, the field of self-assembled quantum dots has shown great promise for nanoscale applications in optoelectronics and quantum computing.

Quantum dots (QDs) possess optical properties of superbright fluorescence, excellent photostability, narrow emission spectra, and optional colors. ... Lipid-biotin conjugates were used to recognize and mark viral lipid membranes, and streptavidin-QD conjugates were used to light them up.

In response The Mac to his Publication

Only people mentioned by @TheMac in this post can reply

In response The Mac to his Publication

This article reports a high-yield procedure for preparing microsized (giant) Janus liposomes via gel-assisted lipid swelling and clustering behavior of these liposomes directed by biotin-avidin affinity binding. Confocal fluorescence microscopy reveals in detail that these new lipid colloidal particles display broken symmetry and heterogeneous surface chemistry similar to other types of Janus particles. An optimized formation procedure is presented, which reproducibly yields large liposome populations dominated by a single-domain configuration.

In response The Mac to his Publication

This work further demonstrates that biotin-conjugated 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine preferentially partitions into the liquid-disordered phase of the lipid matrix, rendering these Janus liposomes asymmetrical binding capacity toward avidin. This affinity binding drives irreversible and domain-specific cluster formation among Janus liposomes, whose structure and size are found to depend on the domain configuration of individual liposomes and incubation time.

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