نتایج جستجو برای: monodispersity

تعداد نتایج: 252  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2011
Christophe Tarabout Stéphane Roux Frédéric Gobeaux Nicolas Fay Emilie Pouget Cristelle Meriadec Melinda Ligeti Daniel Thomas Maarten IJsselstijn François Besselievre David-Alexandre Buisson Jean-Marc Verbavatz Michel Petitjean Céline Valéry Lionel Perrin Bernard Rousseau Franck Artzner Maité Paternostre Jean-Christophe Cintrat

Supramolecular self-assembly is an attractive pathway for bottom-up synthesis of novel nanomaterials. In particular, this approach allows the spontaneous formation of structures of well-defined shapes and monodisperse characteristic sizes. Because nanotechnology mainly relies on size-dependent physical phenomena, the control of monodispersity is required, but the possibility of tuning the size ...

Journal: :Vestnik geonauk 2022

The paper considers the problem of instability tetraethoxysilane hydrolysis in an ethanol medium presence ammonia as a catalyst to obtain monodisperse spherical silica particles given size. This is associated with various impurities affecting rate particle formation and, consequence, their size, monodispersity and shape. To solve this problem, we present novel studies possible application ultra...

Journal: :Sensors & diagnostics 2023

Construction of poly(amidoamine) (PAMAM) dendrimer-based nanoplatforms for tumor computed tomography (CT) imaging and theranostics has gained significant attention in recent years. The unique characteristics PAMAM dendrimers such as monodispersity,...

Journal: :Chemical Engineering Science 2022

Despite the importance of droplet monodispersity, a universal methodology for high monodispersity generation does not exist yet. We have recently demonstrated that unlike conventional method generation, applying an identical pressure from single source makes microfluidic system immune to external fluctuations originate imperfection flow source. In this work, we show our is and applicable other ...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2009
Chia-Hung Chen Rhutesh K Shah Adam R Abate David A Weitz

We present a simple microfluidics-based technique to fabricate Janus particles using double-emulsion droplets as templates. Since each half of the particles is templated from a different immiscible fluid, this method enables the formation of particles from two materials with vastly different properties. The use of microfluidics affords excellent control over the size, morphology, and monodisper...

Journal: :Structure 2006
Toshimitsu Kawate Eric Gouaux

Formation of well-ordered crystals of membrane proteins is a bottleneck for structure determination by X-ray crystallography. Nevertheless, one can increase the probability of successful crystallization by precrystallization screening, a process by which one analyzes the monodispersity and stability of the protein-detergent complex. Traditionally, this has required microgram to milligram quanti...

Journal: :Chemical Engineering Science 2021

Droplet microfluidic systems are becoming routine in advanced biochemical studies such as single cell gene expression, immuno profiling, precise nucleic acid quantification (dPCR) and particle synthesis. For all these applications, ensuring droplet monodispersity is critical to minimize the uncertainty due volume variation. Despite wide usage of droplet-based systems, limit for generation still...

2015
HAMID REZA GHORBANI SAEID SOLTANI

The synthesis of nanoparticles of different chemical compositions, sizes, and controlled monodispersity is an important area of research in nanotechnology. Among noble metal nanoparticles, silver nanoparticles have a wide area of interest, thus, they have gained immense applicability into the daily life of modern individuals such as for biomedical applications, air and water purification, food ...

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