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In froth flotation, pH sensors need to work in abrasive slurry, fine solids, oily films, and process reagents. That makes the reference junction one of the most important – and most vulnerable – parts of an electrochemical pH sensor.A mining symposium paper comparing wood, nanocoated wood, and PTFE junctions in a copper flotation circuit produced a useful engineering lesson. The particular ...
What is Wafer Metrology? Wafer metrology refers to the precise measurement and analysis of semiconductor wafers used in the manufacturing of integrated circuits (ICs) and other electronic devices. It involves assessing various characteristics of wafers, such as dimensions, surface morphology, and material properties, using specialized techniques and instruments. Importance of Wafer Metrology ...
This study develops a biodegradable photocatalytic membrane with titanium dioxide (TiO2, p25) nanoparticles with a polylactic acid (PLA) support to remove volatile organic compounds (VOCs) from indoor air. It addresses two challenges simultaneously: (i) achieving effective gas-phase photocatalytic oxidation (PCO) of VOCs and (ii) enabling more sustainable fabrication of photocatalyst ...
In support of next-generation fusion diagnostics, Oak Ridge National Laboratory has evaluated Hiden’s high-resolution quadrupole RGA approach for the ITER Diagnostic Residual Gas Analyser (DRGA), focusing on fast, selective measurement of light species in exhaust streams. The study shows how enhanced-resolution quadrupole operation can deconvolve closely spaced masses—most notably ...
The STEREO (Effective point-of-use Sterilization of medical equipment using Ethylene Oxide) project was an 18-month research initiative funded by GCRF, aimed at developing an innovative on-demand production system for ethylene oxide (EO) from ethanol. The project brought together researchers from the University of Cambridge (UoC), University of Johannesburg (UJ), and Botswana Institute for ...
This study rigorously investigated the effect of charge-enhanced dry impregnation (CEDI) method on the physicochemical properties and catalytic performance of a ceria-supported nickel-based catalyst. The primary objective of the CEDI method was to augment the electrostatic adsorption of the nickel precursor onto the ceria support surface during the dry impregnation (DI) process. For a ...
Abstract The insect exoskeleton represents one of the most remarkable natural engineering achievements, combining lightweight strength, structural rigidity, and exceptional hydrophobicity. Composed primarily of chitin, structural proteins, and an external lipid-rich wax layer, this multifunctional barrier protects the organism from physical injury, microbial invasion, and dehydration. Its ...
What is Wire Bonding? Wire bonding is a microelectronic interconnection technique used to electrically connect a silicon chip (or die) to the leads of a semiconductor package using very fine wires. It is the most widely used method for chip-level packaging due to its cost-efficiency, flexibility, and precision. At its core, the science behind wire bonding involves the creation of a ...
In the era of nanotechnology and semiconductor advancement, photomasks serve as a cornerstone in the microfabrication process. These precision-engineered optical templates are crucial to lithography-based patterning, which defines the microstructures in integrated circuits, MEMS, and other micro-scale devices. Understanding photomasks and their role provides insight into how precision and ...
Semiconductor metrology is a specialized branch of measurement science that ensures the accuracy and precision of semiconductor manufacturing processes. The evolution of semiconductor technology, from early microprocessors to today’s highly advanced integrated circuits (ICs), has been driven by the demand for smaller, faster, and more efficient electronic devices. As semiconductor ...
Doped carbon nanotubes (CNTs) exhibit special and enhanced properties that are desirable in many applications. But to have a proper grasp of how they perform, to ensure that they're performing to the specification, they must be characterized with care. Here are some of the most important methods for characterising doped carbon nanotubes: Transmission Electron Microscopy (TEM) and High-Resolution ...
The evolution of 3D printing technology has opened up new avenues in the pharmaceutical industry, especially in the fabrication of novel drug delivery systems. One such advancement is the 3D printing of Oral Thin Films (OTFs), which are ultra-thin films used to deliver drugs via oral mucosa. Unlike traditional methods, 3D printing allows the precise layering of active pharmaceutical ingredients ...
Introduction: Understanding Helium Porosity and Its Measurement Helium porosity is a critical factor affecting the integrity and performance of materials across a range of industries. Defined as the presence of interconnected microscopic pores that allow helium to permeate, it can lead to significant challenges in sectors such as aerospace, semiconductors, energy systems, and construction ...
Polymer characterization is a pivotal aspect of polymer science that involves determining the properties and behaviors of polymeric materials. This process encompasses a variety of techniques aimed at analyzing the molecular framework and physical attributes of polymers. By understanding these characteristics, scientists and engineers can optimize a polymer's performance for specific applications ...
The evaluation of coating surfaces is a cornerstone of innovation in materials science, engineering, and nanotechnology. Coatings are designed to improve substrate functionality, enhance durability, and provide specialized properties such as resistance to corrosion or wear. The surface features of these coatings play a decisive role in their performance and require detailed analysis using ...
ByMatexcel
Carbon screen printed electrodes have gained significant attention in recent years due to their unique properties and wide range of applications in electroanalytical techniques. One of the key advancements in the fabrication of these electrodes is the use of advanced printing technologies, which allow for the precise control of the electrode dimensions and surface properties. For example, a ...
There are many particle size measuring instruments, including nanometer laser particle size measuring instruments and microscopes (such as transmission electron microscope and scanning electron microscope) based on dynamic light scattering technology. Electron ...
Posterolateral Rabbit Spinal Fusion Study I. Introduction Autologous bone has long been the gold standard for bone graft substitute in spinal fusion procedures. The limited supply and morbidity associated with using autologous graft material led to the development of alternative bone grafting materials. Bioactive glass has a long history of biomedical use and has been shown to facilitate mineral ...
Introduction In the ever-evolving landscape of drug delivery systems, nanoformulation stands out as a revolutionary approach. Nanoformulation leverages nanotechnology to create drug delivery systems that can improve the efficacy, reduce side effects, and precisely target disease sites. This cutting-edge technology has garnered significant attention from researchers and pharmaceutical companies ...
What is Wafer Metrology? Wafer metrology refers to the precise measurement and analysis of semiconductor wafers used in the manufacturing of integrated circuits (ICs) and other electronic devices. It involves assessing various characteristics of wafers, such as dimensions, surface morphology, and material properties, using specialized techniques and ...