The Mac
@TheMac
08 August, 01:28
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)
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08 August, 01:33
In response The Mac to his Publication
Has anyone ever noticed how Titanium Dioxide is in a plethora of products?
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The Mac
@TheMac
08 August, 04:39
In response Photon 333 to her Publication
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The Mac
@TheMac
08 August, 04:40
In response The Mac to his Publication
I’m still waiting for a reply. 🤷🏼♂️
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The Mac
@TheMac
08 August, 04:48
In response The Mac to his Publication
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The Mac
@TheMac
08 August, 04:48
In response The Mac to his Publication
They are trying to erase everything.
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The Mac
@TheMac
08 August, 04:50
In response The Mac to his Publication
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The Mac
@TheMac
08 August, 04:53
In response The Mac to his Publication
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arba happihr
@arba
08 August, 05:04
In response The Mac to his Publication
quantum dots WHICH are where?
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The Mac
@TheMac
08 August, 06:28
In response arba happihr to her Publication
What is a solid lipid nanoparticle?
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The Mac
@TheMac
08 August, 06:31
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.
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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.
06:32 PM - Aug 08, 2021
In response The Mac to his Publication
Only people mentioned by TheMac in this post can reply
The Mac
@TheMac
08 August, 06:36
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.
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The Mac
@TheMac
08 August, 06:37
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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