Results 101 to 110 of about 1,102,117 (347)

Nano-basic silica as an efficient catalyst for the multi-component preparation of pyrano[2,3-d]pyrimidine derivatives

Main Group Metal Chemistry, 2017
A high-yield protocol is explored for the synthesis of pyrano[2,3-d]pyrimidines through the multi-component reaction of aromatic aldehydes, 1,3-Dimethylbarbituric acid, and malononitrile using nano-basic silica as an efficient catalyst.
Sheikhan-Shamsabadi Nafisehsadat, Ghashang Majid   +1 more
doaj   +1 more source

The Dielectric Properties of Epoxy Insulating Impregnating Varnish Modified by Nano-Silica

Journal of Harbin University of Science and Technology, 2018
The epoxy insulating impregnating varnish modified by nano-Silica was prepared with different doping amount and transformed to epoxy resin composite by heating. Transmission electron microscope were used to investigate the dispersion.
HUA Cong-cong, CHEN Hao, YANG Rui-xiao, FAN Yong, GUO Jia   +4 more
doaj   +1 more source

Durability and microstructural behavior of Nano silica-marble dust concrete

Cleaner Materials, 2023
Present study assesses the durability performance of concrete mix with the addition of marble dust and Nano silica as partial replacement of cement.
Vikram Singh Kashyap, Gaurav Sancheti, Jitendra Singh Yadav   +2 more
doaj   +1 more source

Supraparticles Composed of Graphitic Carbon Nitride Nanoparticles and Silica‐Supported Horseradish Peroxidase as Customizable Hybrid Catalysts for Photo‐Biocatalytic Cascade Reactions in Continuous Flow

Advanced Functional Materials, EarlyView.
Herein presented supraparticles combine the nanoparticulate photocatalyst graphitic carbon nitride with the enzyme horseradish peroxidase, which is immobilized on silica nanoparticles. In an optimized compatibility range, both catalysts operate effectively within the hybrid supraparticles and catalyze a cascade reaction consisting of the photocatalytic
Bettina Herbig, Egzon Cermjani, Doris Hanselmann, Johannes Prieschl, Angelika Schmitt, Michael S. Moritz, Christian Papp, Greta Nölke, Stefano Di Fiore, Christoph Deckers, Thomas H. Rehm, Susanne Wintzheimer   +11 more
wiley   +1 more source

Synthesis and Characterization of Ceramic Nanofluids [PDF]

, 2015
With the advent of the century of “nano”, it is evident that we are heading towards miniaturization of technological equipment and electronic circuits. This has ultimately resulted in problem in heat dispersion from the system. This situation demands for
Patra, Anubhav, Swain , Aditya Narayan S S   +1 more
core  

Smart, Bio‐Inspired Polymers and Bio‐Based Molecules Modified by Zwitterionic Motifs to Design Next‐Generation Materials for Medical Applications

Advanced Functional Materials, EarlyView.
Bio‐based and (semi‐)synthetic zwitterion‐modified novel materials and fully synthetic next‐generation alternatives show the importance of material design for different biomedical applications. The zwitterionic character affects the physiochemical behavior of the material and deepens the understanding of chemical interaction mechanisms within the ...
Theresa M. Lutz, Jonas De Breuck, Sahar Salehi, Meike N. Leiske   +3 more
wiley   +1 more source

Effect of modified nano-silica on mechanical properties of natural rubber: Experiment and molecular simulation

Hecheng xiangjiao gongye
"Nano-silica was a non-toxic and biocompatible inorganic filler, which could endow rubber with excellent tensile strength, thermal stability, and abrasion resistance［1］.
YANG Zi-fan1, WANG Jing1,2, CHEN Meng-han1, XU Ying-shu1, JIA Hong-bing1*
doaj   +1 more source

Light‐Responsive Enzyme‐Loaded Nanoparticles for Tunable Adhesion and Mechanical Wound Contraction

Advanced Functional Materials, EarlyView.
This study presents a photoactivatable enzyme‐loaded mesoporous nanoparticle system (MPDA_PaTy) that enables light‐triggered tunable tissue adhesion and facilitates mechanical wound contraction. Controlled enzymatic crosslinking at tissue or hydrogel interfaces allows on‐demand adhesion.
Junghyeon Ko, Hyeon‐Jin Kim, Jeong‐Uk Kim, Seh Ri Oh, Tae Hoon Kang, Junghwan Byun, Uk‐Jae Lee, Minglin Ma, Su‐Hwan Kim, Byung‐Gee Kim, Nathaniel S. Hwang   +10 more
wiley   +1 more source

"Wet-to-Dry" Conformational Transition of Polymer Layers Grafted to Nanoparticles in Nanocomposite [PDF]

, 2010
The present communication reports the first direct measurement of the conformation of a polymer corona grafted around silica nano-particles dispersed inside a nanocomposite, a matrix of the same polymer.
Akcora P., Chevigny C., De Gennes P. G., Gast A., Gast A., Green D. L., Jouault N., Leibler L., Lindenblatt G., Lindenblatt G., Maas J. H., Pedersen J. S., Radhakrishnan B., Rottler J.   +13 more
core   +4 more sources

Two‐Dimensional Materials as a Multiproperty Sensing Platform

Advanced Functional Materials, EarlyView.
Various sensing modalities enabled and/or enhanced by two‐dimensional (2D) materials are reviewed. The domains considered for sensing include: 1) optoelectronics, 2) quantum defects, 3) scanning probe microscopy, 4) nanomechanics, and 5) bio‐ and chemosensing.
Dipankar Jana, Shubhrasish Mukherjee, Dmitrii Litvinov, Magdalena Grzeszczyk, Sergey Grebenchuk, Makars Šiškins, Virgil Gavriliuc, Yihang Ouyang, Changyi Chen, Yuxuan Ye, Meng Yiming, Maciej Koperski   +11 more
wiley   +1 more source