scholarly journals Physico-chemical characterization of hybridized graphene and boron-nitride layers

2018 ◽  
Vol 7 (3) ◽  
pp. 223
Author(s):  
Paulina Raquel Martínez-Alanis ◽  
Antonio Alvarez de la Paz ◽  
Ruben Santamaria

<p>New materials can be created by modifying matter. In this work we characterize graphene and boron-nitride (BN) layers after doping them with BN and carbon dimers, respectively, in different amounts and with different spatial distributions. We provide the energetic description, electron density features, molecular electrostatic potential maps, net charge populations, and the speeds of propagating waves on the hybridized layers. We show the possibility of designing molecular electrostatic potentials from a spatially controlled doping. A strategy is illustrated on a BN hybrid layer with the adsorption of DNA nucleic acid bases.</p>

2018 ◽  
Vol 7 (3) ◽  
pp. 223-233 ◽  
Author(s):  
Paulina Raquel Martinez-Alanis ◽  
Antonio Alvarez de la Paz ◽  
Ruben Santamaria

New materials can be created by modifying matter. In this work, we characterize graphene and boronnitride (BN) layers after doping them with BN and carbon dimers, respectively, in different amounts and with different spatial distributions. We provide the energetic description, electron density features, molecular electrostatic potential maps, net charge populations, and the speeds of propagating waves on the hybridized layers. We show the possibility of designing molecular electrostatic potentials from a spatially controlled doping. A strategy is illustrated on a BN hybrid layer with the adsorption of DNA nucleic acid bases.


2017 ◽  
Vol 29 (11) ◽  
pp. 4700-4707 ◽  
Author(s):  
Wei-Hsiang Lin ◽  
Victor W. Brar ◽  
Deep Jariwala ◽  
Michelle C. Sherrott ◽  
Wei-Shiuan Tseng ◽  
...  

Alergologia ◽  
2020 ◽  
Vol 1 (4) ◽  
pp. 7
Author(s):  
Mariana Vieru ◽  
Florin-Dan Popescu ◽  
Laura Haidar ◽  
Carmen Bunu-Panaitescu

2010 ◽  
Vol 35 (5) ◽  
pp. 261-267 ◽  
Author(s):  
Wissemn Gallala ◽  
Mohamed Essghaier Gaied ◽  
Borhen Kchaou

2001 ◽  
Vol 71 (3) ◽  
pp. 342-349
Author(s):  
Lucian Eva ◽  
Letitia Doina Duceac ◽  
Liviu Stafie ◽  
Constantin Marcu ◽  
Geta Mitrea ◽  
...  

The fourth generation cephalosporin antibacterial agent, cefepime, was loaded into layered double hydroxides for enhancing antibiotic efficiency, reducing side effects, as well as achieving the sustained release property. The intercalation of antibiotic into the inter-gallery of ZnAl-layered double hydroxide (LDH) was carried out using ion exchange method, by this constituting a nano-sized organic-inorganic hybrid material for a controlled release novel formulation. Although cefepime is a broad spectrum antibiotic, it has various adverse effects and a significant degradation rate. Thus, the preparation and physico-chemical characterization of nanomaterials able to intercalate this drug is an important study for medical and pharmaceutical field. The antibiotic inclusion into LDHs nanostructure was confirmed by advanced characterization techniques and the release profile of cefepime was analysed with the respect to pH of the simulated media.


2012 ◽  
Vol 358 (23) ◽  
pp. 3280-3288 ◽  
Author(s):  
S. Petrescu ◽  
M. Constantinescu ◽  
E.M. Anghel ◽  
I. Atkinson ◽  
M. Olteanu ◽  
...  

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