Surface functionalization of up-converting NaYF4 nanocrystals with chiral molecules

RSC Advances ◽  
2016 ◽  
Vol 6 (7) ◽  
pp. 5558-5565 ◽  
Author(s):  
D. Wawrzyńczyk
Keyword(s):  
Surface Functionalization ◽  
Colloidal Stability ◽  
Chiral Molecules

The surface of up-converting NaYF4:2%Er,20%Yb NPs have been successfully functionalized with chiral molecules, with simultaneously preserved colloidal stability and intense up-conversion emission.

Versatile Route to Colloidal Stability and Surface Functionalization of Hydrophobic Nanomaterials

Langmuir ◽  
2016 ◽  
Vol 32 (22) ◽  
pp. 5629-5636 ◽  
Author(s):  
Heidi R. Culver ◽  
Stephanie D. Steichen ◽  
Margarita Herrera-Alonso ◽  
Nicholas A. Peppas
Keyword(s):  
Surface Functionalization ◽  
Colloidal Stability

Surface Functionalization of Silica Nanoparticles Supports Colloidal Stability in Physiological Media and Facilitates Internalization in Cells

Langmuir ◽  
2012 ◽  
Vol 28 (20) ◽  
pp. 7598-7613 ◽  
Author(s):  
Christina Graf ◽  
Qi Gao ◽  
Irene Schütz ◽  
Christelle Njiki Noufele ◽  
Wentao Ruan ◽  
...  
Keyword(s):  
Silica Nanoparticles ◽  
Surface Functionalization ◽  
Colloidal Stability ◽  
In Cells

Skin Penetration and Cellular Uptake of Amorphous Silica Nanoparticles with Variable Size, Surface Functionalization, and Colloidal Stability

ACS Nano ◽  
2012 ◽  
Vol 6 (8) ◽  
pp. 6829-6842 ◽  
Author(s):  
Fiorenza Rancan ◽  
Qi Gao ◽  
Christina Graf ◽  
Stefan Troppens ◽  
Sabrina Hadam ◽  
...  
Keyword(s):  
Silica Nanoparticles ◽  
Cellular Uptake ◽  
Surface Functionalization ◽  
Amorphous Silica ◽  
Colloidal Stability ◽  
Skin Penetration ◽  
Variable Size

scholarly journals Drug-Loaded Polymeric Spherical Nucleic Acids: Enhancing Colloidal Stability and Cellular Uptake of Polymeric Nanoparticles through DNA Surface-Functionalization

2017 ◽  
Vol 18 (2) ◽  
pp. 483-489 ◽  
Author(s):  
Resham J. Banga ◽  
Sai Archana Krovi ◽  
Suguna P. Narayan ◽  
Anthony J. Sprangers ◽  
Guoliang Liu ◽  
...  
Keyword(s):  
Nucleic Acids ◽  
Cellular Uptake ◽  
Surface Functionalization ◽  
Colloidal Stability ◽  
Polymeric Nanoparticles ◽  
Spherical Nucleic Acids

Supramolecular-micelle-directed preparation of uniform magnetic nanofibers with length tunability, colloidal stability and capacity for surface functionalization

2021 ◽  
Vol 12 (13) ◽  
pp. 1924-1930
Author(s):  
Mingwei Tian ◽  
Chen Ma ◽  
Xiaoyu Huang ◽  
Guolin Lu ◽  
Chun Feng
Keyword(s):  
Surface Functionalization ◽  
Colloidal Stability ◽  
Morphological Stability ◽  
Magnetic Nanofibers

We report a versatile and efficient platform to prepare uniform magnetic nanofibers with length tunability, colloidal and morphological stability, capacity for surface functionalization and enhanced T2 contrast.

scholarly journals Synthesis of Phosphonic Acid Ligands for Nanocrystal Surface Functionalization and Solution Processed Memristors

2018 ◽  
Author(s):  
Jonathan De Roo ◽  
Zimu Zhou ◽  
Jiaying Wang ◽  
Loren Deblock ◽  
Alfred J. Crosby ◽  
...  
Keyword(s):  
Surface Functionalization ◽  
Phosphonic Acid ◽  
Flexible Electronics ◽  
Colloidal Stability ◽  
Operating Voltage ◽  
Conductive Atomic Force Microscopy ◽  
Phosphonic Acids ◽  
Force Microscopy ◽  
Atomic Force ◽  
Ligand Shell

<p>Here we synthesize 2-ethylhexyl, 2-hexyldecyl, 2-[2-(2-methoxyethoxy)ethoxy]ethyl, oleyl and <i>n</i>-octadecyl phosphonic acid and use them to functionalize CdSe and HfO<sub>2</sub> nanocrystals. In contrast to branched carboxylic acids, post-synthetic surface functionalization of CdSe and HfO<sub>2</sub> nanocrystals is readily achieved with branched phosphonic acids. A simple flow coating process is used to deposit ribbons of individual phosphonic acid capped HfO<sub>2</sub> nanocrystals, which are subsequently evaluated as a memristor using conductive atomic force microscopy (c-AFM). We find that 2-ethylhexyl phosphonic acid is a superior ligand, combining a high colloidal stability with a compact ligand shell that results in a record-low operating voltage that is promising for application in flexible electronics. </p>

scholarly journals The role of surface functionalization of silica nanoparticles for bioimaging

2016 ◽  
Vol 09 (04) ◽  
pp. 1630005 ◽  
Author(s):  
Maria C. Gomes ◽  
Ângela Cunha ◽  
Tito Trindade ◽  
João P. C. Tomé
Keyword(s):  
Silica Nanoparticles ◽  
Surface Functionalization ◽  
Colloidal Stability ◽  
Organic Dyes ◽  
Inorganic Nanoparticles ◽  
Biological Applications ◽  
Crucial Aspect ◽  
Particle Properties ◽  
Cellular Recognition

Among the several types of inorganic nanoparticles available, silica nanoparticles (SNP) have earned their relevance in biological applications namely, as bioimaging agents. In fact, fluorescent SNP (FSNP) have been explored in this field as protective nanocarriers, overcoming some limitations presented by conventional organic dyes such as high photobleaching rates. A crucial aspect on the use of fluorescent SNP relates to their surface properties, since it determines the extent of interaction between nanoparticles and biological systems, namely in terms of colloidal stability in water, cellular recognition and internalization, tracking, biodistribution and specificity, among others. Therefore, it is imperative to understand the mechanisms underlying the interaction between biosystems and the SNP surfaces, making surface functionalization a relevant step in order to take full advantage of particle properties. The versatility of the surface chemistry on silica platforms, together with the intrinsic hydrophilicity and biocompatibility, make these systems suitable for bioimaging applications, such as those mentioned in this review.

scholarly journals Masking specific effects of ionic liquid constituents at the solid–liquid interface by surface functionalization

2020 ◽  
Vol 22 (42) ◽  
pp. 24764-24770
Author(s):  
Bojana Katana ◽  
Dóra Takács ◽  
Felix D. Bobbink ◽  
Paul J. Dyson ◽  
Nizar B. Alsharif ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Surface Functionalization ◽  
Colloidal Stability ◽  
Liquid Interface ◽  
Specific Effects ◽  
Solid Liquid Interface ◽  
Solid Liquid ◽  
Positively Charged

Ion specific effects of ionic liquid constituents on the colloidal stability of two types of particles (positively charged amidine and polyimidazolium-functionalized sulfate latexes) were investigated in solutions containing different anions and 1-butyl-3-methylimidazolium cation.

scholarly journals Silica Encapsulation of Fluorescent Nanodiamonds for Colloidal Stability and Facile Surface Functionalization

2013 ◽  
Vol 135 (21) ◽  
pp. 7815-7818 ◽  
Author(s):  
Ambika Bumb ◽  
Susanta K. Sarkar ◽  
Neil Billington ◽  
Martin W. Brechbiel ◽  
Keir C. Neuman
Keyword(s):  
Surface Functionalization ◽  
Colloidal Stability ◽  
Fluorescent Nanodiamonds ◽  
Silica Encapsulation

Biocompatible Gold Nanorods: One-Step Surface Functionalization, Highly Colloidal Stability, and Low Cytotoxicity

Langmuir ◽  
2015 ◽  
Vol 31 (17) ◽  
pp. 4973-4980 ◽  
Author(s):  
Kang Liu ◽  
Yuanhui Zheng ◽  
Xun Lu ◽  
Thibaut Thai ◽  
Nanju Alice Lee ◽  
...  
Keyword(s):  
Surface Functionalization ◽  
Gold Nanorods ◽  
Colloidal Stability ◽  
One Step ◽  
Low Cytotoxicity
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