Recent advances in magnetic nanomaterials for improving analytical processes

2016 ◽  
Vol 84 ◽  
pp. 72-83 ◽  
Author(s):  
Ángel Ríos ◽  
Mohammed Zougagh
2020 ◽  
Vol Volume 13 ◽  
pp. 4825-4832
Author(s):  
Tianyang Li ◽  
Chunsheng Yang ◽  
Zhiping Wei ◽  
Dongsheng Pei ◽  
Guan Jiang

2019 ◽  
Vol 23 (2) ◽  
pp. 136-163 ◽  
Author(s):  
Fatemeh Kalantari ◽  
Ali Ramazani ◽  
Mohammad R.P. Heravi

Magnetic nanoparticles derived from iron oxide, for example, magnetite (Fe3O4) and maghemite (γ-Fe2O3), fulfill most of these requirements, and recent advances in their synthesis give access to size-controlled monodisperse particles. Hybrid magnetic materials have been synthesized from organic compounds and metal or metal oxide nanoparticles and examined as catalysts for the organic synthesis. When the reaction has been completed, the catalysts can be easily separated by simple external magnetic decantation.


2020 ◽  
Vol 8 ◽  
Author(s):  
Daoyang Fan ◽  
Qi Wang ◽  
Tengjiao Zhu ◽  
Hufei Wang ◽  
Bingchuan Liu ◽  
...  

1988 ◽  
Vol 132 ◽  
pp. 525-530
Author(s):  
Raffaele G. Gratton

The use CCD detectors has allowed a major progress in abundance derivations for globular cluster stars in the last years. Abundances deduced from high dispersion spectra now correlates well with other abundance indicators. I discuss some problems concerning the derivation of accurate metal abundances for globular clusters using high dispersion spectra from both the old photographic and the most recent CCD data. The discrepant low abundances found by Cohen (1980), from photographic material for M71 giants, are found to be due to the use of too high microturbulences.


2020 ◽  
Vol 7 (8) ◽  
pp. 1022-1060 ◽  
Author(s):  
Wenbo Ma ◽  
Nikolaos Kaplaneris ◽  
Xinyue Fang ◽  
Linghui Gu ◽  
Ruhuai Mei ◽  
...  

This review summarizes recent advances in C–S and C–Se formations via transition metal-catalyzed C–H functionalization utilizing directing groups to control the site-selectivity.


2006 ◽  
Vol 73 ◽  
pp. 109-119 ◽  
Author(s):  
Chris Stockdale ◽  
Michael Bruno ◽  
Helder Ferreira ◽  
Elisa Garcia-Wilson ◽  
Nicola Wiechens ◽  
...  

In the 30 years since the discovery of the nucleosome, our picture of it has come into sharp focus. The recent high-resolution structures have provided a wealth of insight into the function of the nucleosome, but they are inherently static. Our current knowledge of how nucleosomes can be reconfigured dynamically is at a much earlier stage. Here, recent advances in the understanding of chromatin structure and dynamics are highlighted. The ways in which different modes of nucleosome reconfiguration are likely to influence each other are discussed, and some of the factors likely to regulate the dynamic properties of nucleosomes are considered.


1950 ◽  
Vol 34 (5) ◽  
pp. 1363-1380
Author(s):  
Theodore L. Badger ◽  
William E. Patton

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