Nanoscale Research Letters

Nanoscale Research Letters (NRL) is a peer-reviewed open access journal published under the brand SpringerOpen. It is providing an interdisciplinary forum for ...

List of Papers (Total 6,386)

Effect of food-simulating liquids and polishing times on the color stability of microhybrid and nanohybrid resin composites

The aim of this study was to evaluate the effect of food-simulating liquids and polishing times on the color stability of microhybrid and nanohybrid resin composite materials. One nanohybrid (Compofill) and one microhybrid (Dynamic plus) were used to prepare 120 samples each. Three polishing time subgroups were randomly assigned to each composite group. The polishing groups were...

Advances in macro-bioactive materials enhancing dentin bonding

The long-term stability of dentin bonding is equally crucial for minimally invasive aesthetic restoration. Although the dentin bonding meets clinical standards at the initial stage, its long-term efficacy remains suboptimal owing to the impact of physiological factors. Herein, we present a comprehensive analysis of macro-bioactive materials, including nanomaterials and polymer...

Systematic review of peptide nanoparticles for improved diabetes outcomes: insights and opportunities

This present study carried out a systematic review and meta-analysis of peptide nanoparticles in diabetes management for improved patient outcomes from 2014 to 2024. Different electronic databases, including PubMed, Scopus, Web of Science, ResearchGate, Google Scholar, and the Cochrane Library, were searched for relevant literature using Medical Subject Headings (MeSH) and...

N-doped graphene oxide nanomaterial: synthesis and application as controlled-release of urea for advancement in modern agriculture

Controlled-release fertilizer plays a crucial role in advancing modern agriculture. One promising avenue of research is the utilization of graphene oxide (GO) for controlled-release fertilizer. Here, urea decorated GO (urea@GO) nanomaterial has fabricated through mechanical process and applied for enhance the releasing characteristics of urea by control study. From the experiment...

Controlled growth of citrate-stabilized gold nanoparticles using a semi-continuous seed-mediated route

Gold nanoparticles (Au NPs) hold unique optical and electronic properties due to their surface plasmon resonance. The size, shape, and surface chemistry of Au NPs are key parameters for altering their optical properties to fine-tune Au NPs for specific applications. We report a size-controlled synthesis of citrate-stabilized Au NPs via the Turkevich method, followed by their...

Influence of fiber dimensions on the mechanical properties of silica glass nanofibers

The understanding of the mechanical properties in glass nanofibers remains a challenge. As the fiber diameter decreases, surface-to-volume atom fraction increases, making the impact of surface defects more significant. To elucidate these effects, we employed classical molecular dynamics (MD) simulations to investigate how fiber dimensions and the surface layer influence the...

Nanotechnology in the manufacturing of sustainable food packaging: a review

At present, there is an escalating concern among consumers regarding the spoilage and safety of food items. Furthermore, the packaging materials used within the packaging industry are typically unsustainable food packaging. To confront this significant challenge, nanotechnology may offer a feasible alternative to standard packaging practices. Several naturally derived polymers...

Eco-friendly synthesis of ZnO, CuO, and ZnO/CuO nanoparticles using extract of spent Pleurotus ostreatus substrate, and their antioxidant and anticancer activities

Biosynthesis techniques for nanomaterials have advanced significantly, promoting eco-friendly synthesis chemistry as a sustainable alternative to conventional methods. This study presents a novel and environmentally friendly approach for synthesizing nanoparticulate ZnO, CuO, and ZnO/CuO nanocomposites using aqueous extracts of Pleurotus ostreatus spent substrate, is reported...

Superresolution based on coherent thermal radiation with selective information

We reexamine superresolution methods that may have been overlooked by previous optical microscopy techniques. For a one-dimensional (1D) system, we show that maximizing the information capacity of an imaging system is not a necessary condition for surpassing the Abbe diffraction limit. Specifically, the spatial resolution of two coherent emitters can go beyond the Abbe...

Paraffin-based composites containing high density particles: lead and bismuth and its’ oxides as γ-ray shielding materials: an experimental study

Shielding nano- and microcomposites have emerged as a promising solution in the constantly growing requirements and expectations in the field of radiological protection. The majority of gamma and X-ray shielding nanocomposites are based on polymers due to lightweight, low cost and flexibility as the inviting features in comparison to traditional lead shields. Taking this into...

Nanodelivery of nucleic acids for plant genetic engineering

Genetic engineering in plants serves as a crucial method for enhancing crop quality, yield, and climate resilience through the manipulation of genetic circuits. A novel genetic transformation approach utilizing nanocarriers as a sound plant genetic engineering technique enables the delivery of DNAs or RNAs into the plant cells. Significant advances have recently been made on the...

Fabrication of lipid-modified drug nanocrystals loaded injectable hydrogel for breast cancer therapy

The current study includes the design of soluplus stabilized, lipid-coated, and fucoidan-oleylamine conjugate modified paclitaxel nanocrystals. The nanocrystals (Lipid-NCs) were about 100 nm, homogeneous, stable and showed improved drug release compared to pure PTX. The nanocrystals were subsequently loaded in an in situ gel-forming hydrogel for the intratumoral injection. The...

Design and simulation of a highly efficient eco-friendly, non-toxic perovskite solar cell

A highly efficient and nontoxic material methylammoniumtin(II) iodideperovskite solar cell is proposed. This proposed solar cell uses CH3NH3SnI3 as the absorber layer, TiO2 as an Electron transport layer (ETL), Indium tin oxide as a buffer layer, and Copper(I) oxide as the hole transport layer (HTL). The device is simulated using the SCAPS-1D simulation tool. This study details...

Activity of silver-zinc nanozeolite-based antibiofilm wound dressings in an in vitro biofilm model and comparison with commercial dressings

Infected wounds are a major health problem as infection can delay wound healing. Wound dressings play an important part in wound care by maintaining a suitable environment that promotes healing. Silver sulfadiazine dressings have been used to prevent infection in burn wounds. Presently, many commercial silver dressings have obtained FDA clearance. In this study, we report on a...

Synthesis of SrAl2O4 and MgCoO2 bimetallic inorganic nanomaterials for thermal and electrochemical applications

Bimetallic inorganic nanoparticles are vital due to their high biocompatibility, stability and comparatively less toxicity. Nanosized bimetallic oxide materials have been extensively studied worldwide due to their unique properties such as electrical, magnetic and mechanical properties. Present work is reporting the size-controlled synthesis of strontium aluminate and magnesium...

Novel technologies for CO2 conversion to renewable fuels, chemicals, and value-added products

Population growth, urbanization, industrialization, and increased socioeconomic activities have escalated carbon dioxide (CO2) formation and concentration in the atmosphere. Increased generation and release of CO2 into the atmosphere exacerbates global warming and impedes environmental sustainability. One of the strategies to combat the unpleasant impact of CO2 in the atmosphere...

Heisenberg indistinguishability principle versus magnetic hyperfine fields

In previous investigations it was reported that certain transition metal-rich amorphous alloys consist of distorted bcc nano-clusters. Two kinds of these amorphous alloys are of special interest due to their physical properties: (1) metallic glasses with no boundaries between grains and (2) nanoglasses. Nanoglasses are specified with a high proportion of boundary /Interface...

Facile synthesis of copper, nickel and their bimetallic nanoparticles: optical and structural characterization

This paper reports the synthesis and characterization of some spherical crystalline copper (Cu), nickel (Ni), and their bimetallic (Cu–Ni) nanoparticles (NPs) produced in deionized (DI) water via pulse laser ablation in liquid (PLAL) technique. XRD and SAED patterns showed the high crystallinity of the synthesized nanostructures with face-centered cubic structure. The TEM and...

Novel three-dimensional stacked capacitorless DRAM architecture using partially etched nanosheets for high-density memory applications

This study presents a novel three-dimensional stacked capacitorless dynamic random access memory (1T-DRAM) architecture, designed using a partially etched nanosheet (PE NS) to overcome the scaling limitations of traditional DRAM designs. By leveraging the floating body effect, this architecture eliminates the need for capacitors, thereby improving integration density and memory...

Trends in nanobody technology in industrialization

Antibodies, which are important research entities in the field of biopharmaceuticals, hold a key position in the global pharmaceutical market. Nanobodies [a single-domain antibody (VHH)] have gradually shown unique advantages due to their specificity, small molecule size, high affinity, good stability, flexible delivery routes, and fast tissue penetration. The importance of...

Recent progress in terahertz sensors based on graphene metamaterials

Graphene-based terahertz (THz) metamaterials (MMs) are at the forefront of high-sensitivity sensing, with applications spanning biochemical to environmental fields. This review examines recent advances in graphene MMs-based THz sensors, covering foundational theories and innovative designs, from complex patterns to graphene-dielectric and graphene-metal hybrids. We explore ultra...

Innovative approaches to asthma treatment: harnessing nanoparticle technology

In the domain of respiratory illnesses, asthma remains a critical obstacle. The heterogeneous nature of this chronic inflammatory disease poses challenges during its treatment. Glucocorticoid-based combination drug therapy now dominates clinical treatments for asthma; however, glucocorticoid resistance, numerous adverse effects, the incidence of inadequate drug delivery, and...

Proline isomerization modulates the bacterial IsdB/hemoglobin interaction: an atomic force spectroscopy study

Iron surface determinant B (IsdB), a Staphylococcus aureus (SA) surface protein involved in both heme iron acquisition from host hemoglobin (Hb) and bacterial adhesion, is a proven virulence factor that can be targeted for the design of antibacterial molecules or vaccines. Recent single-molecule experiments on IsdB interaction with cell adhesion factors revealed an increase of...

The modification of conventional liposomes for targeted antimicrobial delivery to treat infectious diseases

Some of the most crucial turning points in the treatment strategies for some major infectious diseases including AIDS, malaria, and TB, have been reached with the introduction of antimicrobials and vaccines. Drug resistance and poor effectiveness are key limitations that need to be overcome. Conventional liposomes have been explored as a delivery system for infectious diseases...