Alexandra Navrotsky - Wikipedia
Nanoparticles are everywhere. You eat them, drink them, breathe them, pay to have them, and pay even more to get rid of them ... One of Navrotskys works has shown that many zeolitic and mesoporous phases have energies only slightly higher than those of ... Her research is mainly focused on the structure and the stability of both natural and synthetic nanomaterials along with their ... The energetics provides insight into chemical bonding, order-disorder reactions, and phase transitions. Navrotskys calorimetry ...
Hyeon Taeghwan - Wikipedia
His group reported on the fabrication of monodisperse magnetite nanoparticles immobilized with uniform pore-sized mesoporous ... Since 2014, he has been listed as a Highly Cited Researcher in chemistry and materials science by Clarivate Analytics and ... The group reported in 2013 the first demonstration of galvanic replacement reactions in metal oxide nanocrystals, and were able ... In particular, his research group developed a new generalized synthetic strategy, called "heat-up process", for producing ...
Silicon quantum dot - Wikipedia
Alternatively, post-synthetic protocols, such as density gradient ultracentrifugation, can be used to narrow the size ... For example, the silicon core of large silicon nanoparticles has been used for 29Si MRI in mice models. By modifying the ... For example, silicon quantum dot size can be controlled by the reaction temperature during thermal disproportionation of ... Recognizing the vast potential of their unique optical properties, many researchers explored, and developed methods to ...
Steven Suib - Wikipedia
Suib focused on mesoporous and micro-porous materials as a research interest in the 1990s. Initially with researchers from ... His group added to the research conducted by UTRC on the reaction rates of volatile organic compounds and then conducted ... According to Suib, manipulating the nanoparticle size can tune the mesopores, and this phenomenon can lead to the development ... Ching, Stanton; Suib, Steven L. (1997). "Synthetic Routes to Microporous Manganese Oxides". Comments on Inorganic Chemistry. 19 ...
Zeolite - Wikipedia
Synthetic zeolites, like other mesoporous materials (e.g., MCM-41), are widely used as catalysts in the petrochemical industry ... The product properties depend on reaction mixture composition, pH of the system, operating temperature, pre-reaction seeding ... Zeolites containing cobalt nanoparticles have applications in the recycling industry as a catalyst to break down polyethylene ... Dezember, Ryan (May 14, 2022). "Cat Litter Could Be Antidote for Climate Change, Researchers Say" - via www.wsj.com. Rhee P, ...
Nanochemistry - Wikipedia
Mesoporous silica nanoparticles (MSN) have increased in research popularity due to their large surface area and flexibility for ... There are several researchers in nanochemistry that have been credited with the development of the field. Geoffrey A. Ozin, ... In positive photoresists, the photochemical reaction that occurs during exposure, weakens the polymer, making it more soluble ... "Dielectric Properties for Nanocomposites Comparing Commercial and Synthetic Ni- and Fe 3 O 4 -Loaded Polystyrene". ACS Omega. 3 ...
Nanomotor - Wikipedia
While nanoparticles have been utilized by artists for centuries, such as in the famous Lycurgus cup, scientific research into ... Recently, researchers have managed to controllably move such nanomotors inside cancer cells allowing them to trace out patterns ... Such nanomotors are not dependent on chemical reactions to fuel the propulsion. A triaxial Helmholtz coil can provide directed ... In 2004, Ayusman Sen and Thomas E. Mallouk fabricated the first synthetic and autonomous nanomotor. The two-micron long ...
Thermal energy storage - Wikipedia
The nanoparticles are assembled into a thin layer and a single nanoparticle has many chromophore-catalyst on it. The function ... The reaction products are then separated, and mixed again when required, resulting in a release of energy. Some examples are ... As of 2016, researchers in several countries are conducting experiments to determine the best type of salt, or salt mixture. ... The low cost ($200/ton) and high cycle rate (2,000×) of synthetic zeolites such as Linde 13X with water adsorbate has garnered ...
Intracellular delivery - Wikipedia
... mesoporous silica, metal nanoparticles, magnetic nanoparticles) Nanotechnology-based carriers (e.g. quantum dots, carbon ... In the case of patisiran, pretreatment with multiple anti-inflammatory drugs is used to minimize reactions to the nanoparticle ... In 2021 this concept was developed further when researchers showed that light-sensitive iron oxide nanoparticles embedded in ... Luo, D (2000). "Synthetic DNA Delivery Systems". Nat. Biotechnol. 18 (1): 33−37. doi:10.1038/71889. PMID 10625387. S2CID ...
Perovskite nanocrystal - Wikipedia
Dual Reaction Pathways in Au-CsPbBr Heterostructure Nanoparticles". Nano Letters. 17 (9): 5561-5566. Bibcode:2017NanoL..17.5561 ... By using mesoporous silica as a template, the size of CsPbX3 nanodomains is restricted to the pore size. This allows for ... This quick, post-synthetic anion-tunability is in contrast to other quantum dot systems where emission wavelength is primarily ... This phenomenon was utilized by researchers to generate single color luminescent QR codes that could only be deciphered by ...
Takuzo Aida - Wikipedia
From 1996 to 1999, Aida served as a researcher in the Japan Science and Technology Agency (JST) PRESTO Fields and Reactions ... Aida was immediately appointed as an Assistant Professor in the Department of Synthetic Chemistry at the University of Tokyo. ... he made an early seminal discovery of extrusion polymerization within catalyst-immobilized mesoporous silica, affording ... "Chaperonin-mediated stabilization and ATP-triggered release of semiconductor nanoparticles". Nature. 423 (6940): 628-632. ...
Silver nanoparticle - Wikipedia
Synthetic protocols for silver nanoparticle production can be modified to produce silver nanoparticles with non-spherical ... Researchers have explored the use of silver nanoparticles as carriers for delivering various payloads such as small drug ... The reaction is performed at ambient temperature and produces silver nanoparticles with fcc crystal structure without ... Ameen KB, Rajasekar K, Rajasekharan T (2007). "Silver Nanoparticles in Mesoporous Aerogel Exhibiting Selective Catalytic ...
Metal-organic framework - Wikipedia
There are two synthetic strategies within the HT-methods: In the combinatorial approach, all reactions take place in one vessel ... Chen X, Tong R, Shi Z, Yang B, Liu H, Ding S, Wang X, Lei Q, Wu J, Fang W (January 2018). "MOF Nanoparticles with Encapsulated ... "Researchers Find A New Way To Make Water From Thin Air". National Public Radio. 14 April 2017. Lavars, Nick (2021-01-20). " ... Some MOFs, such as the mesoporous MIL-100(Fe), can be obtained under mild conditions at room temperature and in green solvents ...
Stöber process - Wikipedia
The mesoporous silica nanoparticles prepared by modified Stöber processes have applications in the field of catalysis and ... It is a one-step process as the hydrolysis and condensation reactions occur together in a single reaction vessel. The process ... and remains today the most widely used wet chemistry synthetic approach to silica nanoparticles. It is an example of a sol-gel ... The newly acquired understanding has enabled researchers to exert a high degree of control over particle size and distribution ...
Microswimmer - Wikipedia
Often, researchers choose to take inspiration from nature, either for the entire microswimmer design, or for achieving a ... These comprise a living component and a synthetic one. Biohybrids most often take advantage of the microscale motion of various ... Ma, Xing; Hahn, Kersten; Sanchez, Samuel (2015). "Catalytic Mesoporous Janus Nanomotors for Active Cargo Delivery". Journal of ... most importantly catalytic reactions, magnetic fields, or ultrasonic waves. There are a variety of sensing, actuating, or ...