Discover Nano

<p><em>Discover Nano</em> is an interdisciplinary journal that publishes papers from all areas of nanoscience and nanotechnology. The journal particularly welcomes transdisciplinary research that seeks to uncover the underlying science and behavior of nanostructures and further the goal of unifying nanoscale research in physics, materials science, biology, chemistry, engineering, and their expanding interfaces. </p> <p><em>Discover Nano</em> is an open access journal that supports publication of datasets and the pre-registration of studies. </p> <br/> <strong>Topics</strong> <p>Papers suitable for <em>Discover Nano</em> include, but are not limited to, the following topics:</p> <p>Synthesis, fabrication, and processing of nanostructured materials: Assembly and self-assembly, nanomanipulation, lithography, patterning and printing</p> <p>Characterization of properties affected by nanoscale dimensions: Optical, electrical, magnetic, structural, vibrational, and mechanical properties of nanostructures</p> <p>Nanostructures based on: Semiconductors, metals, dielectrics, superconductors, ceramics, and bio-materials</p> <p>Modeling and simulation of processes and properties on the nanoscale</p> <p>Quantum dots, quantum wires, quantum wells, superlattices and thin films</p> <p>Fullerenes, organic and inorganic nanotubes</p> <p>Semiconducting, insulating, and metallic nanowires</p> <p>Colloidal nanocrystals, nanoparticles, nanoclusters</p> <p>Organic-inorganic hybrid nanomaterials</p> <p>Nanocomposites and nanoporous materials</p> <p>Supramolecular and biochemical assemblies</p> <p>Manipulation and recognition of single biological molecules</p> <p>Nanobioscience and nanobiotechnology: Nanomedicine, nanobiodevices, nanobiosensors, nanobioimaging, and bio-nanoelectromechanical systemts (bio-NEMS)</p> <p>Development of devices and technologies based on the unique electronic, optical, and magnetic properties of nanomaterials.</p> <p><br/> <strong>Content Types</strong><br/> <em>Discover Nano</em> welcomes a variety of article types – please see our submission guidelines for details. The journal also publishes guest-edited Topical Collections of relevance to all aspects of nanoscale research. For more information, please follow up with our journal publishing contact.</p>

List of Papers (Total 6,386)

Hydrogen sensors based on polyaniline and its hybrid materials: a mini review

This mini-review examines the potential of polyaniline (PANI) composites in hydrogen sensing applications, emphasizing the mechanisms underlying PANI-hydrogen interactions. It highlights the properties and synthesis methods of different nanostructured pure PANI, PANI-carbon-based composites, and PANI-metal oxide-based composites, emphasizing approaches and PANI’s hydrogen sensing...

Optimization of dispersion angle in resonant cavity micro-light-emitting diode using multilayer DBR and microlens structures

In this paper, the fabrication and the corresponding performance characteristics of resonant cavity micro-light-emitting diodes (RC-μ-LEDs) are examined, with particular emphasis placed on reducing the light emission angle to enhance their application efficiency. A stepped quantum well structure and a multilayer aperture distributed Bragg reflector (DBR) are used to reduce the...

Efficient photocatalytic methylene blue dye degradation from green-synthesized silver-doped iron oxide (Ag@Fe2O3) nanostructures

This study presents an environmentally friendly method for synthesizing Ag@Fe2O3 nanostructures through a hydrothermal technique that utilizes Saussurea obvallata leaf extract as a reducing and capping agent. The material was characterized using UV–Vis, FTIR, XRD, SEM–EDX, and TEM-SAED-line profile analysis. The UV–Vis shows a maximum absorbance peak at 380 nm, showing a band gap...

Design of a gate-all-around arch-shaped tunnel-field-effect-transistor-based capacitorless DRAM

In this study, we designed and analyzed a single-transistor dynamic random-access memory (1 T-DRAM) based on an arch-shaped gate-all-around tunnel field-effect transistor (GAA ARCH-TFET), featuring an Si/SiGe heterostructure, for high-density memory applications. Unlike conventional 1 T-DRAM, which relies on the electric-field-driven movement of charge carriers through a channel...

Metal and metal oxide nanoparticle-assisted molecular assays for the detection of Salmonella

This paper provides a comprehensive overview of the diverse applications and innovations of nanoparticles in the detection of Salmonella. It encompasses a comprehensive range of novel methods, including efficient enrichment, nucleic acid extraction, immunoassays, nucleic acid tests, biosensors, and emerging strategies with the potential for future applications. The surface...

Nanomedicine approaches to enhance the effectiveness of meropenem: a strategy to tackle antimicrobial resistance

Meropenem, a carbapenem typically reserved for treating severe infections, has encountered resistance from certain bacteria, including multidrug-resistant (MDR) strains of Pseudomonas aeruginosa (P. aeruginosa) and Klebsiella pneumonia (K. pneumonia). Nanoparticles (NPs) have emerged as a promising strategy to combat drug-resistant bacteria. By targeting specific biosynthetic and...

Self-assembled metal cluster-carbon quantum dot heterostructures with photothermal antibacterial properties

Noble metal (Au, Ag, Cu) cluster is an emerging category of promising interest functions in form of designed constructions. Among various candidates, carbon dots could be treated as one interesting component for synthesis functional candidates while heterogeneous contents are orderly integrated together. In this work, we successfully fabricate heterostructural nanoparticles (HNPs...

Bibliometric analysis of nanoparticle research for diagnostics and therapeutics in hepatocellular carcinoma

The aim of this study was to explore the bibliometric analysis of nanomaterials-based therapies for hepatocellular carcinoma as a means of assessing the current state of development and future trends in the field. Literature on hepatocellular carcinoma and nanomedicine interactions was searched from the core database of the Web of Science and bibliometric and visualisation...

Recent progress of nanomaterials-based composite hydrogel sensors for human–machine interactions

Hydrogel-based flexible sensors have demonstrated significant advantages in the fields of flexible electronics and human–machine interactions (HMIs), including outstanding flexibility, high sensitivity, excellent conductivity, and exceptional biocompatibility, making them ideal materials for next-generation smart HMI sensors. However, traditional hydrogel sensors still face...

Ecofriendly synthesis of cellulose-silver nanocomposites and the evaluation of their antibacterial activity

The integration of nanotechnology with cellulose matrices has gained considerable attention due to the resulting enhanced mechanical, thermal, and antibacterial properties. This study introduces a facile and environment-friendly microwave-assisted method for synthesizing cellulose/Ag nanocomposites. Palm date wood extract was used as an efficient reductant for silver ions...

Polyherbal nanoformulation: a potent antifungal agent on fungal pathogens of Coffea arabica

Agriculture is the backbone of all countries which dictates the major economy of the country. The management of pathogens is critical in the field of agriculture. Many species of pathogenic fungi infect a broad range of hosts including cash crops and agricultural crops. Coffee is one of the most important commercial crop in the economy of many countries in the world. Coffea...

The delivery carriers and applications for Xiaobojian

Berberine, also known as Xiaobojian (XBJ), is a quaternary ammonium alkaloid isolated from the traditional Chinese medicine Coptis chinensis, and is the main effective ingredient for antibacterial purpose. This work systematically reviewed recent researches on XBJ in the whole range of delivery technologies. Compared with XBJ monomer administration, other forms of drug...

Efficiency improvement of AlGaInP-based red micron-scale light-emitting diodes using sidewall steam oxidation

Although micro-LED displays are considered emerging display technology, their micron-scale LED chip size suffers from significant efficiency degradation, which affects the display's power budget. The low light output efficiency is mainly attributed to an increased weighting of sidewall nonradiative recombination with the perimeter-area ratio of smaller chip size. To prevent...

Length-flexible strategies for efficient SERS performance in gold-nanorod-gapped nanoantennas

Surface-enhanced Raman spectroscopy (SERS) using gold-nanorod-dimer nanoantennas has shown great potential in various applications. This reflects in their large values of the customary figure of merit of SERS: the enhancement factor (EF), which is essentially the fourth power of the electric field integrated at the gap, the location at which target molecules are to be sensed...

Bioinspired Fe3O4@Ag@ indocyanine green/adenosine triphosphate nanoenzyme in synergistic antibacterial performance

Metal-based nanoenzymes with excellent biocompatibility and stable chemical properties are an effective antimicrobial agent against bacterial resistance due to their radical-mediated catalysis. In this work, due to the pH of most bacterial infection sites being close to neutral, targeting the problem of Fe3O4@Ag difficulty in maintaining the catalytic activity of nanoenzymes in...

Development of an innovative low-temperature PEALD process for stress-compensated TiO2 and SiO2 multilayer anti-reflective coatings

This study presents a low-temperature plasma-enhanced atomic layer deposition (PEALD) technique for fabricating high-performance, stress-reduced anti-reflective coatings (ARCs). To the best of our knowledge, this is the first extensive study on titanium dioxide (TiO2)/silicon dioxide (SiO2) stacking with PEALD at such a low temperature of 70 °C, which may help to overcome high...

Comprehensive analysis and exploratory design of graphene-based subharmonic mixers operating at the gigahertz band

Ambipolar conductance in graphene field-effect transistors (GFETs), and in particular their quasi-quadratic I–V transfer characteristic, makes these devices excellent candidates for exploiting subharmonic mixing at high frequencies. Several realizations have already demonstrated the ability of GFETs to compete with, or even improve, state-of-the-art mixers based on traditional...

Comparative toxicity and environmental impact assessments of sonochemically-synthesized CuO and Zn-doped CuO nanoparticles using zebrafish and LCA tools

Nanomaterials (NMs), including nanoparticles (NPs), offer promising potential in achieving the European Commission’s Green Deal goals of climate-neutral, zero-pollution and circular economy. Metal oxide NPs display antimicrobial properties, with efficacy also towards antimicrobial-resistant bacteria. Nevertheless, the increasing manufacture, use and unintended release of NMs...

Stigmurin encapsulated PLA–PEG ameliorates its therapeutic potential, antimicrobial and antiproliferative activities

In light of growing global challenge posed by antimicrobial resistance, it is very important to explore alternatives that can target pathogenic microorganisms. One such strategy involves the use of antimicrobial peptides (AMPs) and Stigmurin is one such AMP present in Brazilian scorpion Tityus stigmurus which possesses antimicrobial, antiproliferative and antiparasitic activity...

Structural, optical and magnetic properties of CuO/α-Fe2O3 nanocomposites: effect of Fe concentration and annealing temperature

The impact of annealing temperature (500, 600, and 700 °C) and Fe concentration on the formation of 5, 10 and 20 at.% Fe-doped CuO was investigated using structural, optical, and magnetic characterizations. XRD and Raman studies confirmed the presence of both CuO and α-Fe2O3 in the composite samples. The broadening of the multiphoton transition mode in the Raman spectra with...

Advances in porcine epidemic diarrhea virus research: genome, epidemiology, vaccines, and detection methods

Porcine epidemic diarrhea (PED) is a highly contagious intestinal disease caused by the porcine epidemic diarrhea virus (PEDV). The economic impact of PEDV on the global pig industry has been significant, resulting in considerable losses. This paper presents a review of the latest research progress on PEDV genome, molecular epidemiology, vaccine development, and molecular...

Bio-fabricated silver nanoparticles: therapeutic evaluation as a potential nanodrug against cervical and liver cancer cells

Nanobiotechnology has grown rapidly and is now widely used in the diagnosis and treatment of modern diseases. Biosynthesized silver nanoparticles (AgNPs) are eco-friendly, cost-effective, biocompatible route, and have biomedical properties at minimal concentrations. In the present study extract of cyanobacterium (Anabaena variabilis) was utilized to synthesize facile, reliable...

Advances in molecular epidemiology and detection methods of pseudorabies virus

Pseudorabies (PR), a highly contagious disease caused by the pseudorabies virus (PRV), represents a significant threat to the global swine industry. Despite the success of developed countries in controlling the PRV epidemic through swine pseudorabies eradication programs, wild boars, as a potential source of infection, still require sustained attention and effective control...

Artificial thermal flow control on thermoelectric device by tuning electrode absorptivity

Thermoelectric conversion is a direct conversion of thermal energy to electricity, triggered by the Seebeck effect. Typically, the configuration of a thermoelectric device and the absorptivity of both electrodes exhibit symmetrical optical characteristics between the hot and cold ends, and these factors usually are not expected to affect the direction of the thermal gradient...