This contribution reflects the views on the nanoscience and nanotechnology motivated by societal needs. The grand challenges facing the diverse population provide profound obligations and opportunities for scientists, engineers, technicians, entrepreneurs to join the intellectual… » Read More
Despite water being a ubiquitous substance, it is surprising that some basic questions are still debated. Here using a combination of experimental (cryogenic STM/AFM) and theoretical (first-principle electronic structures and molecular dynamics) methods, we systematically studied… » Read More
Recently Nano-materials were applied in different fields as chemistry, medicine and agriculture. the present work aimed to indicate the applications of Nano-materials in the voltammetric determination of some compounds also in the removal of pollutants. The nanomaterial's were sy… » Read More
A photochemical activation method for a solution-processed multi-layer metal oxide semiconductors is proposed in this project for high performance thin film transistors (TFTs) applications. This ultra-fast, simple and cost effective annealing method utilizes ultraviolet light of … » Read More
In this presentation I will highlight recent developments on the use of nanoparticles based superhydrophobic coating for the reduction of drag and related energy saving on solid objects moving in water. Superhydrophobic textured coating are deposited on metallic spheres using a c… » Read More
Solid electrolytes are the key materials to solve the safety problem of lithium metal batteries and all-solid-state lithium batteries. They can reduce the side reaction and prevent lithium dendritic breaking through electrolytes, and therefore, improve the cycling stability and s… » Read More
The actual strength of ceramics is much lower than their theoretical value due to considerable flaws appearing during powder consolidation. A straightforward approach to improve their fracture strength is to minimize the quantity and size of flaws within ceramics. Here, we report… » Read More
This study was designed to prepare and characterize enzymatic modified chitosan nanoparticles (CSNPs) with gallic acid (GA) or octyl gallate (OG) in average size around 90 nm , with positive charge and high scavenging activity especially GA-CSNPs and to evaluate their protective … » Read More
Conductive organic materials are the subject of a significantly growing research area. They have a great potential for many applications such as energy solutions, electronics, medicine, pharmacy, environmental monitoring, and many others. Due to their biodegradability, bio-based … » Read More
The properties and application of various carbon nanomaterials such as fullerenes, carbon nanotubes, and graphene are strongly dependent on their atomic structures and interactions with other materials. In our work we are wide investigated all of the carbon nanomaterials for dual… » Read More
NIR-active up-conversion nano-phosphors (UCNPs) based on rare earth ions doped hexagonal β-NaYF4 nanoparticles are of particular interest since they offer the highest quantum yield of up-conversion luminescence. Thus, appropriately functionalized β-NaYF4 nanoparticles c… » Read More
Over the years, natural and chemically synthesized antibiotics have been used to control infections resulting from community environments. Currently, there is a growing demand for the synthesis of nanomaterials that would replace widely applied antibiotics due to their antimicrob… » Read More
A common challenge to operators in both offshore and onshore oil fields globally is continuous decline in production as these fields reach their maturity stages. This has elicited efforts to exploiting the unconventional reservoirs, and delving into unexplored deep and ultra-deep… » Read More
This work studied the obtaintion of a functionalized carbon in a single stage using green leaves of Agave Tequilana Weber var. blue by hydrothermal carbonization (HTC) and a chemical activation with sulfurous acid. The variables studied were the treatment time (8, 16, 24 h) and t… » Read More
Glass fiber/unsaturated polyester (GF/UPE) composites have widespread utilization in the field of construction, aerospace and automobile industries due to their light weight, high strength and chemical/weather resistance. This work aims to study the effect of graphene oxide (GO) … » Read More
Noscapine is an antispasmodic alkaloid used as antitussive and anti-cough obtained from plants about Papaveraceae family. This benzylisoquinoline alkaloid and its synthetic subsidiaries, called noscapinoids are being assessed for their anticancer potential. The present research a… » Read More
A growing body of evidence shows that Insulin, Insulin Receptor (IR) and IR signaling are involved in brain cognitive functions and their dysfunction is implicated in Alzheimer’s disease (AD) degeneration. Thus, administration of insulin could be a strategy for AD treatment. For … » Read More
This work studied the obtaintion of a functionalized carbon in a single stage using green leaves of Agave Tequilana Weber var. blue by hydrothermal carbonization (HTC) and a chemical activation with sulfurous acid. The variables studied were the treatment time (8, 16, 24 h) and t… » Read More
Water droplets containing carbon nanotubes (CNTs), SiO2 (silica) nanoparticles and mixtures of them, are deposited one drop after the other on a polycarbonate substrate. During evaporation of the droplets, the CNTs and silica nanoparticles go through a self-assembly process, form… » Read More
The dye-sensitized solar cells (DSSC) shows interesting parameters, both due to the high achieved efficiency and the utilities property, among others the possibility of producing large-format flexible devices. DCCS cells can be considered as layered structures in which each layer… » Read More
Engineered nanomaterials are inspiring the interest of life scientists for potential applications to biomedicine. A wide variety of inorganic and organic materials can be used to produce nanostructures with different shapes, physical and chemical features. Among these structures,… » Read More
Significant failure of membrane processes in wastewater treatment is biofouling. By modifying the membranes with silver nanoparticles, their antimicrobial and hydrophilic properties can be enhanced to increase the efficiency of the membrane process, i.e. the filter cycle will be … » Read More
During the last decade, two-dimensional materials (2DMs) have gathered a great attention due to their unique chemical and physical properties which make them attractive platforms for diverse applications in sensing and uptake of heavy metal ions. Metal ions and organic dyes in th… » Read More
Nanoscale Zero-Valent Iron (nZVI) has emerged as a promising remediation agent for in situ degradation of chlorinated solvents. Different approaches have been tested to enhance the properties of nZVI (reactivity, migration and stability) for environmental application. For the ass… » Read More
Lithium sulfide (Li2S) is one of the most promising cathode materials for the next-generation advanced Li-ion batteries because of its high theoretical capacity (1167 mA h g-1) and large energy density. However, Li2S suffers from poor rate performance and short cycle life due to … » Read More
Noscapine is an antispasmodic alkaloid used as antitussive and anti-cough obtained from plants about Papaveraceae family. This benzylisoquinoline alkaloid and its synthetic subsidiaries, called noscapinoids are being assessed for their anticancer potential. The present research a… » Read More
The synthesis of promising single-core iron oxide nanoparticles intended for use in biomedical applications has attracted much interest over the last decade. Several synthetic routes to achieve size, shape, crystallinity, dispersity and magnetic behavior were reported in the lite… » Read More
Title : Thin ion-conducting membranes for energy technologies: Advanced conformal deposition by electrochemistry Philippe Knauth
Philippe Knauth, Aix Marseille University, France
Electrochemical synthesis is a powerful tool for the preparation of conformal, thin solid electrolyte membranes directly on the electrodes, particularly with complex shapes, such as nanotubes, nanowires etc.Such separators should present the highest possible conductivity by the e… » Read More
Title : Commercializing Nanotechnology
Thomas Mensah, Georgia Aerospace Systems, United States
Commercializing Nanotechnology in the 21st century is a major challenge for Industry, Academia, and National laboratories in many countries. Billions of dollars have been invested by many advanced countries because of the expected Trillions of Dollars that such commercialization … » Read More
Title : Adsorption induced low temperature transformations of methane adsorbed in IRMOF microporous structures Bogdan Kuchta
Bogdan Kuchta, Aix-Marseille University, France
We discuss the mechanism of the structural transformations of gas adsorbed in microporous crystalline solids. We show that it is possible to induce structural transformations in a confined system by simply varying the number of molecules adsorbed in the pore. We found that the me… » Read More
Title : Composite ion exchange membranes with nanometric building units
Maria Luisa Di Vona, University of Rome Tor Vergata, Italy
Main challenges for ion exchange membranes (IEM) are stability and durability. Various strategies have been developed to increase the IEM performances. Among them hybrid organic-inorganic materials show many interesting features: they have the ability to combine the functionality… » Read More
Title : Emerging new van der waals semiconductor devices: Opportunities and challenges
Mohammed Amer, University of California, United States
Low dimensional materials have been under extensive investigations due to their exceptional electrical, mechanical, thermal, and optical properties at the nanoscale. Scientist and engineers have focused their attention on Graphene and related materials in the past few years. Howe… » Read More
Title : Development of graphene-based nanomaterials for biomedical applications
Julia Xiaojun Zhao, University of North Dakota, United States
We have developed a few new graphene-based nanomaterials, including graphene-based fluorescent quantum dots, reduced graphene oxide (RGO)/metal (oxide) (e.g. RGO/Au, RGO/Cu2O, and RGO/Ag) nanocomposties, graphene-silica core-shell nanostructures, and 3-D graphene scaffold. In thi… » Read More
Title : Iron nanoparticles for biomedical applications – The SEON concept
Christoph Alexiou, University Hospital Erlangen, Germany
Nanoscience has now matured and has been transitioned from bench science to applied technology; superparamagnetic iron oxide nanoparticles (SPIONs) are widely used in various scientific fields, not only on commercial scale but their wide use in biomedical science are more signifi… » Read More
Title : Real-space transfer in graphene-phosphorene heterostructures: Physics and prospective applications
Maxim Ryzhii, University of Aizu, Japan
The gapless energy spectrum and high carrier mobility in graphene (G) the flexibility of the energy spectrum in few-layer black phosphorus, i.e., phosphorene (P), the impressive advances in their technology present a new opportunity for developing different new devices on the bas… » Read More
Title : Optogenetic neural interfaces
Jose Higino Correia, University of Minho, Portugal
Optogenetics is a relatively new technology to achieve cell-type specific neuromodulation with millisecond-scale temporal precision. Optogenetic tools are being developed to address neuroscience challenges, and to improve knowledge of the brain networks with the ultimate aim of c… » Read More
Title : Biofunctionalized multifunctional nanoparticles as a potential strategy for a targeted cancer therapy
Przemyslaw Kowalik, Polish Academy of Sciences, Poland
The main goal of our research was to design, synthesize and characterize the multifunctional nanosystems with a wide potentials for functionalization. We aimed on two kind of materials: the up-converting nanoparticles (UCNPs) of yttrium sodium fluorides and the superparamagnetic … » Read More
Title : On-site Gas Sensing by Surface-Enhanced Raman Scattering
Zhengjun Zhang, Tsinghua University, China
Ag nanorods coated with an ultrathin HfO2 shell (AgNRs@HfO2) were prepared for the synthesis of a versatile, robust, and easily recyclable surface-enhanced Raman scattering (SERS) substrate. This substrate maximizes the high melting point of HfO2 shell and thus ensures the plasmo… » Read More
Title : The optimization of methods of synthesis of nickel nanoparticles with silver nanoshell as component of conductive materials
Anna Pajor Swierzy, Jerzy Haber Institute of Catalysis and Surface Chemistry Polish Academy of Science, Poland
Conductive inks based on nickel nanoparticles (NPs) have attracted much attention as a low-cost replacement for the currently used silver and gold NPs for fabrication of printed electronic circuits and devices. The nickel NPs as a component of conductive inks should be stable aga… » Read More
Title : Fabrication of thiol-functionalised core shell magnetic iron oxide nano-particles for Hg2+ ion removal in water
Manjunatha C, R.V. College of Engineering, India
Mercury is a specific concern worldwide because of its high toxicity. Exposure to mercury, even at very low concentrations, induces digestive, brain, kidney and endocrine system diseases, and it especially causes neurological diseases. Therefore, there is an urgent need for devel… » Read More
Title : Oxygen on rutile TiO2(110) surface: AFM manipulation of charge state and molecular bond
Ivan Stich, Slovak Academy of Sciences, Slovenia
We show that charge states of adsorbed oxygen adatoms on rutile TiO2(110)-1×1 surface can be measured and deliberately manipulated by a combination of noncontact atomic force microscopy and Kelvin probe force microscopy at 78 K in ultrahigh vacuum and interpreted by extensi… » Read More
Title : A sustainable nanotechnological approach for urban mining and recovery of strategic elements
Henrique E Toma, Institute of Chemstry – University of Sao Paulo, Brazil
Humanity is strongly dependent upon strategic elements, such as copper, nickel, cobalt, the noble metals and the rare earths, but the conventional mining processes are raising serious concerns because of the pollution and damage imparted to the environment. In this sense, a new p… » Read More
Title : Facile synthesis of modified Styrene–maleic anhydride/ Zinc oxide polymer nanocomposites for supercapacitor applications
Remya Simon, Stella Maris College, India
Styrene-maleic anhydride (SMA) is widely used for electrochemical and biological applications because of its high heat resistance and dimensional stability along with good specific reactivity of the anhydride groups. In order to achieve highly stable cycling performance and high … » Read More
Title : Fabrication of Styrene-maleic anhydride /CNT nanocomposites for supercapacitor electrodes
Sohini Chakraborty, Stella Maris College, India
The potentially useful structure of Carbon nanotubes provides the advantage of allowing easy ion diffusion when introduced into a composite polymer matrix. A composite polymer matrix has been formulated with Poly(styrenemaleic anhydride) that has been functionalized with a thiadi… » Read More
Title : Investigation of some physical properties of pure and doped transparent conducting oxides synthesized on glass substrates by chemical method. Application to ZnO, NiO, MoO3
Ghamnia Mostefa, Laboratoire LSMC, France
Pure and doped transparent conducting oxides (TCO) as ZnO, NiO, MoO3 nanofilms were synthesized on glass substrates using the spray pyrolysis method. The nanometric pure TCO films were prepared from the 10-2 M.L-1 solution of different powders in distilled water. Sr, Ba and Co-do… » Read More