Particles

Current trends in the understanding, development, and improvement of nano- and microparticles indicate, that they will find their way into even more applications. They have the potential to help us in the solving of current global issues in several fields, like energy, health, and food, thus positively impacting our daily lives thanks to their fascinating and tunable properties.

Abstract

Correlative Extinction and Single Fluorophore Bleaching Microscopy for Ligand Quantification on Gold Nanoparticles

The abstract discusses the characterization of nanoparticle-ligand structures using optical microscopy, revealing variability in ligand attachment and nanoparticle clustering at the single-particle level, crucial for interpreting nanoparticle-based data reliably.

Abstract

Photocontrollable Deformations of Polymer Particles in Elastic Matrix

The abstract discusses the design and development of a novel polymer composite material utilizing shape-reconfigurable microparticles with photoactive properties, enabling reversible deformation through light-induced processes, providing control over optical properties and showcasing potential in optics and soft-robotics applications.

Abstract

Disulfide-Bridged Dynamic Covalent Triazine Polymer Thin Films by Interface Polymerization: High Refractive Index with Excellent Optical Transparency

The abstract discusses the development of dynamic and covalently cross-linked C3N3S3 polymer thin-films with tunable thickness and optical properties, offering potential applications in materials engineering, nanotechnology, and devices.

Abstract

Multimodal Optically Nonlinear Nanoparticles Exhibiting Simultaneous Higher Harmonics Generation and Upconversion Luminescence for Anticounterfeiting and 8-bit Optical Coding

The abstract reports the development of multimodal nonlinear optically active lanthanide-doped lithium niobate nanoparticles capable of efficient second and third harmonic generation, up-conversion photoluminescence, and their applications in various fields, including biocompatible fibers, 3D printing, fingerprint detection, and an 8-bit coding platform for anti-counterfeiting and optical information processing.

Abstract

Surface-Dependent Properties and Tunable Photodetection of CsPbBr3 Microcrystals Grown on Functional Substrates

This abstract describes the fabrication and characterization of CsPbBr3 microcrystals, which exhibit distinct heterogeneity in photoluminescence and conductivity across different facets, and their potential application as high-performance photodetectors with impressive responsivity.

Abstract

Shallow Sediment as a Phosphorus Reservoir in an Oligotrophic Lake

Researchers conducted a study on Skaneateles Lake in New York to understand the role of sediment in phosphorus storage and release into the water. They collected sediment samples from the lake and analyzed them by XRF for various elements and characteristics.

Method

Revolutionizing Image Analysis in Metallography and Materialography with AI-Based Tools

Artificial intelligence (AI) is revolutionizing image analysis in metallography and materialography, offering enhanced accuracy and efficiency. Conventional methods like thresholding fall short in detecting specific structures, but AI-based algorithms utilize deep neural networks to classify image areas independently. By leveraging AI tools, professionals can achieve higher reproducibility, robust analysis, and improved efficiency in their work, opening up new possibilities for advancements in materials science and engineering.

Abstract

Cellulose Nanocrystal Aqueous Colloidal Suspensions: Evidence of Density Inversion at the Isotropic-Liquid Crystal Phase Transition

The abstract reports the coexistence of liquid crystal upper phase and isotropic bottom phase in aqueous suspensions of cellulose nanocrystals (CNCs) at the isotropic-nematic phase separation. It also explains the presence of air dissolved in the water present within the CNCs as the reason for the existence of an LC low-density phase.

Abstract

Hierarchical Organization of Structurally Colored Cholesteric Phases of Cellulose via 3D Printing

This abstract describes the production of structurally colored hydroxypropyl cellulose filaments through 3D printing, with a suppressed angular color response. The study reveals the key stages in the induction of a two-degree hierarchical order through 3D printing and the possibility of modifying the wrinkling behavior to change the angle dependence of the color response.

Abstract

Fabrication of Efficient Single-Emitter Plasmonic Patch Antennas by Deterministic In Situ Optical Lithography using Spatially Modulated Light

The abstract discusses a new protocol for the non-destructive positioning of plasmonic structures for efficient single-photon emission. The emission statistics of the plasmonic antennas with a single quantum dot are analyzed, and it is shown that the presented antenna induces a 1000-fold effective increase in the absorption cross-section and shows nonlinearly enhanced emission under high pumping.

Abstract

MXene-Nanoflakes-Enabled All-Optical Nonlinear Activation Function for On-Chip Photonic Deep Neural Networks

The abstract describes the development of a reconfigurable saturable absorber using MXene thin film and a silicon waveguide for on-chip neural networks. The use of MXene flakes is shown to enhance electromagnetic absorption and achieve near 99% accuracy in a machine-learning application.

Abstract

Holographic Manipulation of Nanostructured Fiber Optics Enables Spatially-Resolved, Reconfigurable Optical Control of Plasmonic Local Field Enhancement and SERS

The abstract discusses the integration of plasmonic structures on step-index optical fibers and the challenges posed by turbidity of light propagation in multimode fibers. The authors propose a new approach to spatiotemporally control the plasmonic resonances by harnessing the interaction between plasmonic modes on the fiber tip and the full set of guided modes. This approach enables direct control of the probe's work point in the dispersion diagram and offers new sensing and manipulation capabilities for biomedical applications of holographic endoscopic imaging.

Abstract

A Continuous Gradient Colloidal Glass

The abstract presents a general synthetic approach to bottom-up fabrication of continuous size gradient colloidal ensembles, yielding photonic colloidal glasses with a continuous size gradient that can manipulate light propagation in a novel way, resulting in vivid structural colors and superior light scattering across the gradient. The process has significant potential for a variety of other particle-based systems and can provide novel physical insights and functionalities.

Abstract

Metal-Free Perovskite Piezoelectric Nanogenerators for Human–Machine Interfaces and Self-Powered Electrical Stimulation Applications

The abstract reports the observation of intrinsic piezoelectricity in metal-free perovskite films, as well as a cytotoxicity test to evaluate their low-toxic nature. The as-synthesized perovskite is integrated into a piezoelectric nanogenerator that can serve as a self-powered strain sensor for human-machine interface applications or be adopted in in vitro electrical stimulation devices, demonstrating a path of perovskite-based PENG with high performance, low toxicity, and multifunctionality for future advanced wearable sensors and portable therapeutic systems.

Abstract

Dewetting-Assisted Interface Templating: Complex Emulsions to Multicavity Particles

The abstract describes a method for creating intricate microparticle geometries using emulsion-templating and polydimethylsiloxane (PDMS) swelling behavior. The resulting microparticles have potential applications in cargo delivery, structural coloring, and biosensing.

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ebook

eBook 14: Tribology: Surface Interaction Experiments

This eBook comprises papers about tribology, which is the study of the interactions between surfaces in relative motion. Discover various topics, including polymer/metal composites, sandwich structures, abrasive wear, compressive creep, anti-scratch additives, polymer plastics, and more!

Abstract

Core/Shell Magnetite/Copolymer Composite Nanoparticles Enabling Highly Stable Magnetorheological Response

A new Fe₃O₄/copolymer composite nanoparticle has been synthesized to provide a lighter density, sufficient active interface, and enhanced stability for Magnetorheological fluids (MRFs), making them more suitable for smart control applications.

Abstract

Toward Hydrogen-Free and Dendrite-Free Aqueous Zinc Batteries: Formation of Zincophilic Protective Layer on Zn Anodes

This work provides a facile and effective strategy to suppress both hydrogen evolution reaction and dendrite growth.

News

Evident Industrial Solutions

Are you looking for the latest information on emerging technologies and the latest trends in industry?

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ebook

Compendium 2: Geoscience | Corrosion | Particles | Additive Manufacturing: Metallurgy, Cut Analysis & Porosity

We are delighted to present to you our 2nd Advanced Optical Metrology compendium. This collection includes a searchable database of optical metrology papers, a repository of teaching materials, and instructions on how to publish scientific achievements.

Abstract

Emerging methods in biomarker identification for extracellular vesicle-based liquid biopsy

This article aims to present an overview of current EV assessment techniques, with a focus on their progress and limitations, as well as an outlook on the clinical translation of an EV-based liquid biopsy that may augment current paradigms for the diagnosis, prognosis, and monitoring the response to therapy in a variety of disease settings.

Abstract

Super-Resolution Near-Infrared Fluorescence Microscopy of Single-Walled Carbon Nanotubes Using Deep Learning

The results open the path for accelerated and accessible super-resolution of nIR fluorescent SWCNTs images, further advancing their applicability as nanoscale optical probes.

Abstract

Microstyling of Biofluorescence in Human Hair as Sustainable and Functional Waste

This work's simple yet impactful consequence lays the foundation on which the industrial applicability of the functionalized human hair waste can be achieved, realizing a possible cyclical economy through sustainable resources.

News

Evident InSight Blog

Insightful blogs on composites, corrosion, electronics, geoscience, instrumentation, particles, and more!

Abstract

Magnetoresponsive Optical Fiber with Fuse-Effect-Induced Fluorinated Graphene Oxide Core

A magnetic field sensor using the fused POF is developed, and a maximum sensitivity of 4.66 pm Oe−1 (for the range of 0–400 Oe) is obtained, which is one of the top records among the previous literature.

Abstract

Interplay of Leakage Radiation and Protection in Topological Photonic Crystal Cavities

The results constitute an important step toward the use of radiative topological cavities for on-chip confinement of light, control of emitted wave fronts, and enhancement of light–matter interactions.

Abstract

Chitosan Coated Alginate Beads as Probiotic Delivery System for New Zealand Black Footed Abalone (Haliotis iris)

High palatability and stability of CCALG beads in seawater combined with controlled release of viable probiotics show that encapsulation of probiotics in CCALG beads is an efficient method for delivery of probiotics in aquaculture.

Abstract

In Vitro Biocompatibility Evaluation of a Heat-resistant 3D Printing Material for use in Customized Cell Culture Devices

The investigated material shows great potential for high-resolution 3D printing of novel cell culture systems that are highly complex in design, customized and easily sterilizable.

Abstract

Activity of AC Electrokinetically Immobilized Horseradish Peroxidase

The high residual activity of enzymes after AC field induced immobilization shows this method's suitability for biosensing and research applications.

Abstract

Detection of Lithium-Ion Cells’ Degradation through Deconvolution of Electrochemical Impedance Spectroscopy with Distribution of Relaxation Time

DRT peaks allow to characterize cell aging and their tracking can help to develop more reliable state of health estimators.

Abstract

Strain Monitoring in Reduced Graphene Oxide-coated Glass Fiber/Epoxy Composite

The composite showed low hysteresis and low electrical viscosity which make these materials suitable for industrial piezoresistive strain sensors.

Abstract

Measured Growth Rates of Ibuprofen: Comparing Single Crystal and Bulk Suspensions Data

Studies on single crystals can have utility for the purpose of crystallization process design and optimization.

Abstract

Microfluidic Device for Concentration and SERS-based Detection of Bacteria in Drinking Water

Results confirmed the system to be promising for the construction of a disposable optical platform for reliable and rapid pathogen detection.

Abstract

Process Optimization of High Entropy Alloys by Laser Additive Manufacturing

Optimizing the laser parameters achieved by preheating temperature invariably improved the performance of the alloys with potential coatings and structural applications.

Abstract

Upgrading Poly(Styrene-Co-Divinylbenzene) Beads: Incorporation of Organomodified Metal-free Semiconductor Graphitic Carbon Nitride through Suspension Photopolymerization to Generate Photoactive Resins

Metal-free semiconductor g-CN donates photoactivity to polymer networks that can be employed for dye photodegradation and acid–base catalyst transformation through facile photoinduced surface modifications.

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eBook 11: Particles: Impact on Biological Systems and the Environment

This eBook is dedicated to the research of David Wertheim, Professor at Kingston University London. In collaboration with various groups, Prof. Wertheim is using confocal microscopy to analyse the impact of different types of particles on human health and the environment.

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Video

Deep Learning: Even a Machine Brain Needs Training

In this online seminar you can learn how to train a neuronal network in the Olympus Stream software.

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Video

Application of Confocal Microscopy for 3D Imaging of Particulate Matter

In this ask-the-experts webinar, Prof David Wertheim and Dr Gavin Gillmore explain how a new color confocal microscope imaging method enables the study of the 3D shape of particulate matter.

Method

Analyzing Coal Combustion Residuals Using the Power of Deep-Learning Image Segmentation

Coal is a black rock that can be burned to release energy. This nonrenewable resource is made from ancient plants that died in swamps and takes millions of years to form.

Article Digest

Application of Confocal Microscopy for 3D Visualization of Tracks in Solid-state Nuclear Track Detectors

This paper reviews recent research in 3D imaging of solid-state nuclear track detectors using confocal microscopy.

Article Digest

Application of Confocal Microscopy for Surface and Volume Imaging of Solid-state Nuclear Track Detectors

Researchers investigated particle tracks in nine solid-state nuclear track detectors using surface and volume visualization from confocal microscope imaging.

Article

Particles: Diverse Properties, Uncountable Applications

Nano and microparticles are distinctive materials that have enormous technological and scientific value. They are used in many applications, including energy, medical, and environmental.

Article Digest

A New Method of Imaging Particle Tracks in Solid-state Nuclear Track Detectors

In this article, a new method for rapid, high-resolution 3D imaging of solid-state nuclear track detectors is described.

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eBook 10: Particles: Unique Properties, Uncountable Applications

Nano- and microparticles are distinctive materials with enormous technological and scientific value. They found application in energy, medical, and environmental fields to name just a few.

Abstract

Preparation of Amphiphilic Janus Particles and Their Application in Stabilising Foams

This work presents the preparation of foaming Janus particles (JPs) decorated with fluorinated chains by the Pickering emulsion method and investigates their self-assembly behaviour at the air–water interface and foam stability under a limited range of concentrations.

Abstract

P-Glycoprotein Antibody Decorated Porous Hydrogel Particles for Capture and Release of Drug-Resistant Tumor Cells

In this study, novel P-glycoprotein antibody modified porous hydrogel particles are proposed for drug-resistant tumor cells capture.

Abstract

Programmable and Parallel Trapping of Submicron/Nanoscale Particles Using Acoustic Micro-Pillar Array Chip

This work presents a novel method using a low-frequency acoustic field actuated micro-pillar array chip to efficiently enable programmable and parallel trapping of nanoparticles.

Abstract

Key Role of Nitrate in Phase Transitions of Urban Particles: Implications of Important Reactive Surfaces for Secondary Aerosol Formation

Here hygroscopic properties of laboratory-generated ammonium sulfate-ammonium nitrate particles and individual particles collected during haze events in an urban site were investigated using an individual particle hygroscopicity system.

Abstract

Controllable Frontal Polymerization and Spontaneous Patterning Enabled by Phase-Changing Particles

Frontal polymerization provides a rapid, economic, and environmentally friendly methodology to manufacture thermoset polymers and composites.

Abstract

Interfacial Self-Assembly of Amphiphilic Dual Temperature Responsive Actuating Janus Particles

In this article, the self-assembly of dual temperature responsive amphiphilic Janus particles at liquid–liquid interfaces and their subsequent conversion into an actuating layer-shaped surface are presented.

Abstract

High-Density Microfluidic Particle-Cluster-Array Device for Parallel and Dynamic Study of Interaction between Engineered Particles

A high-density and high-performance microfluidic particle-cluster-array device utilizing a novel hydrodynamically tunable pneumatic valve is reported for parallel and dynamic monitoring of the interactions taking place in particle clusters.

Abstract

Enhanced Fluorescence Emission and Magnetic Alignment Control of Biphasic Functionalized Composite Janus Particles

Magnetoresponsive Janus particles, of which the orientation can be controlled by an external magnetic field, are prepared by the simple introduction of polymer-coated magnetic nanoparticles into the hemispheres of Janus particles.

Abstract

Supercolloidal Spinners: Complex Active Particles for Electrically Powered and Switchable Rotation

A class of supercolloidal particles that controllably spin about their central axis in AC electric fields is reported.

Abstract

Custom Design of Protein Particles as Multifunctional Biomaterials

In this article, the authors describe an easy-to-implement engineering strategy to generate customized protein particles as multifunctional biomaterials.

Abstract

High-Throughput Inertial Focusing of Micrometer- and Sub-Micrometer-Sized Particles Separation

The ability to study individual bacteria or subcellular organelles using inertial microfluidics is still nascent. This is due, in no small part, to the significant challenges associated with concentrating and separating specific sizes of micrometer and sub-micrometer bioparticles in a microfluidic format.

Abstract

Green Preparation of Hydrogel Particles-in-emulsions for Simultaneous Enhancement of Humoral and Cell-mediated Immunity

Emulsions are one of the most often used vaccine adjuvant formulations. Although they promote high humoral immunity, the induced cellular immunity is often poor, which restrict their application.

Video

Advanced Optical Metrology Hub Video

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