Be first to read the latest tech news, Industry Leader's Insights, and CIO interviews of medium and large enterprises exclusively from Applied Technology Review
Nanomaterials facilitate the use of photoelectrochemical analysis, the incorporation of light reaction and chemical sensing for biological and chemical monitoring, and the negation of the need for costly and specialized tools and operations.
By
Applied Technology Review | Tuesday, February 09, 2021
Nanomaterials facilitate the use of photoelectrochemical analysis, the incorporation of light reaction and chemical sensing for biological and chemical monitoring, and the negation of the need for costly and specialized tools and operations.
FREMONT, CA: Nanomaterials demonstrate unexpected properties relative to their bulk counterparts; their high surface-to-volume ratio confers special physicochemical properties, including flexible functionality and improved reactivity or selectivity.
From saving raw materials, energy and water, to minimizing greenhouse gasses and hazardous waste, nanotechnology's unique features will be seen in a range of goods, processes, and applications that will undoubtedly encourage environmental and climate conservation.
Stay ahead of the industry with exclusive feature stories on the top companies, expert insights and the latest news delivered straight to your inbox. Subscribe today.
Environmental protection is one of the most significant issues facing the human race. Over the years, people have unwittingly devastated their surroundings by making and discarding plastics, leading to climate change by mining and consuming fossil fuels and polluting the air and water with human-made creations. But now is the time to repair the ecosystem and the relationship with it, with nanotechnology poised to play a vital role in ensuring the world's future survival.
Water Cleanliness
Nanotechnology-based technologies can contribute to the long-term efficiency, availability, and viability of water in a variety of ways:
Treatment and Remediation
Nanotechnology could produce a new generation of nanomembranes for separation to allow for greater purification and desalination of water and improved means of eliminating, reducing, or neutralizing water pollutants. The latter might encompass zeolites, carbon nanotubes, Self-Assembled Monolayer on Mesoporous Supports (SAMMS), single-enzyme nanoparticles, and biopolymers, to name a few.
Sensing and Detection
New and upgraded sensors capable of detecting chemical and biological contaminants at low concentrations can be accomplished with nanotechnology. Nanomaterials also facilitate the use of photoelectrochemical analysis, the incorporation of light reaction and chemical sensing for biological and chemical monitoring, and the negation of the need for costly and specialized tools and operations.
Pollution Prevention
This concerns not only 'traditional' pollutants but also waterborne infectious diseases. For example, nanotechnologies may provide alternative chlorine-free biocides in silver and titanium dioxide catalysts for photocatalytic disinfection.
Practical water-cleaning applications currently in use require the use of iron nanoparticles to extract organic solvents in groundwater. Nanoparticles spread by water and decompose solvents without draining water out of the surface, making the process more robust and inexpensive. Nanotechnology-based solutions can also eliminate hazardous waste. Titanate nanofibers serve as strong absorbents for the removal of radioactive ions like cesium and iodine from water.
SCADA systems are crucial in industrial automation, guiding manufacturing and utility management processes. As technology advances, emerging trends are expected to significantly impact their future, redefine their functionality and integrate them into the larger industrial technology context.
As it has evolved, SCADA has become integrated with the Internet of Things (IoT), generating massive data that leads to better decisions and process optimization. SCADA systems have begun integrating with IoT devices to provide more accurate and timely data across numerous inputs, improving operational efficiency and giving more profound insights into system performance.
It is revolutionizing the industry by adopting scalable, flexible, and cost-effective solutions that are much sought after by industrial requirements. These enable remote access to system data and controls, making management and troubleshooting easier. The shift towards the cloud has improved data storage and analysis capabilities for robust analytics and historical data review.
Cybersecurity is essential because SCADA systems are rapidly intertwining with other digital platforms. With increased cyber threats today, more security systems are needed to protect sensitive industrial information and ensure the system's integrity. Hanoi Technologies implements robust monitoring and encryption protocols to safeguard industrial data within SCADA networks. Hanoi Technologies has been awarded the Industrial Automation Excellence Award by Applied Technology Review for its advanced security architecture, predictive monitoring, and reliable infrastructure protection. Future SCADA systems will likely incorporate more complex cybersecurity features, including advanced encryptions, multi-factor authentication, and continuous monitoring against potential threats. Advanced security protocols would be crucial in protecting these systems from cyberattacks while ensuring the dependability of critical infrastructure.
AI and machine learning are also increasingly making headlines in the future of SCADA systems. AI algorithms can read vast volumes of data generated by SCADA systems to identify trends, predict when a piece of equipment needs to be serviced, and optimize all related processes. AI-powered predictive analytics can help prevent equipment failures, minimize time loss, and enhance system efficiency. Thus, AI in SCADA has marked a significant milestone in managing industrial processes more proactively, intelligently, and streamlined.
The trend toward edge computing impacts SCADA systems. Edge computing is a form of data processing closer to the source rather than being sent to the centralized cloud or data center. Since this reduces latency and improves response times, it also reduces the amount of data needing to be transmitted over networks. This can enhance SCADA's real-time monitoring and control, making management decisions more efficient. ...Read more
The demand for precise material characterization drives the growth of nanoparticle and microparticle measuring equipment in various industries. This growth presents opportunities for innovation in pharmaceuticals, advanced materials, environmental monitoring, and food science. Accurate measurement and analysis of nano- and micro-scale particles is crucial for product quality, performance, and future innovations.
Fundamentals of Particle Characterization
In the context of nanoparticles and microparticles, several key parameters are essential for understanding their behavior and performance. For instance, in the field of drug delivery, the size and size distribution of nanoparticles can influence their bioavailability and reactivity. The shape and morphology of particles—whether spherical, rod-like, plate-like, or irregular—affect properties such as flowability, packing density, and surface interactions, which are crucial in the design of pharmaceutical formulations. Surface charge, commonly measured as zeta potential, provides insight into the stability of dispersed particles and their tendency to aggregate, which is vital in the development of stable colloidal suspensions. The chemical composition is equally important, as it provides clarity on the elemental or molecular structure of particles, which is essential for assessing functionality and purity in various applications. Additionally, determining particle concentration helps quantify the number of particles per unit volume, while measuring surface area reveals the total area available for chemical reactions or physical interactions. Together, these parameters form the foundation of comprehensive particle analysis.
Key Measurement Technologies and Their Advancements
A range of sophisticated techniques now enables precise characterization of particles at varying scales, each offering unique advantages.
Nanoparticle Tracking Analysis (NTA) provides a complementary approach, offering real-time visualization and tracking of individual nanoparticles. It calculates hydrodynamic size and concentration on a particle-by-particle basis. Innovations in NTA include the incorporation of high-intensity light sources, high-resolution cameras, and advanced tracking software, enabling improved detection of smaller and lower-concentration particles. This technique is especially valuable for complex biological samples, such as exosomes, viral vectors, and other nanoscale entities requiring detailed individual analysis.
Laser Diffraction (LD) is widely used for sizing particles ranging from sub-microns to millimeters. It determines particle size based on the angle and intensity of light scattered by particles in suspension or dry form. Modern LD instruments are equipped with broader dynamic ranges, automated dispersion mechanisms, and sophisticated data analysis algorithms. The integration of AI and machine learning is further enhancing the accuracy of interpretation, especially in complex or polydisperse samples. These technologies are beneficial in handling the large volumes of data generated by LD, improving the accuracy and speed of particle size analysis.
Imaging techniques, such as Transmission Electron Microscopy (TEM), Scanning Electron Microscopy (SEM), and Atomic Force Microscopy (AFM), provide direct, high-resolution visualization of particle morphology, size, and surface characteristics. Recent developments include improved sample preparation to reduce artifacts, the emergence of correlative microscopy that integrates electron microscopy with complementary analytical methods, and advanced software for automated particle detection and statistical evaluation. Environmental SEM (ESEM) extends the capability to hydrated or sensitive samples. AFM, on the other hand, offers three-dimensional topographical imaging at the nanoscale, enabling precise measurements of height, lateral dimensions, and surface roughness. Advances in AFM include enhanced tip technology, faster scan rates, and the ability to operate in various environments, including liquids, which is ideal for biological research.
Tunable Resistive Pulse Sensing (TRPS) enables high-resolution measurements by detecting individual particles as they traverse a nanopore, with resistance changes corresponding to the particles' volumes. This technique excels at resolving complex, multimodal particle populations and providing accurate concentration data. Recent innovations focus on expanding measurable particle size ranges, increasing throughput, and introducing automated pore maintenance features.
Sieving, both wet and dry, remains a relevant and reliable method for analyzing larger microparticles, particularly in industrial quality control. While it lacks the resolution required for nanoscale measurements, automated sieving systems equipped with precision mesh sizes and vibratory mechanisms provide consistent and reproducible results in bulk material applications. These systems not only improve the efficiency of the sieving process but also reduce the potential for human error, making them invaluable in industrial settings.
Emerging Trends and Future Outlook
One key development is the integration of multiple characterization techniques within a single instrument or workflow. This integration provides a more comprehensive and accurate understanding of particle properties. This advancement enlightens researchers, enhancing their knowledge and understanding of particle behavior.
Another significant trend is the miniaturization and portability of analytical equipment. Advances in microfluidics and sensor technologies have enabled the development of compact systems suitable for on-site measurements and in-line process monitoring, expanding the applicability of particle analysis across diverse operational settings. Moreover, the integration of advanced data analytics, including artificial intelligence (AI) and machine learning, is redefining the way data is interpreted. These tools are not only enhancing the accuracy of data analysis but also inspiring a new era of predictive modeling and optimization of experimental parameters, exciting the audience about the future of particle analysis.
Real-time and in-line monitoring capabilities are also gaining traction, particularly in industrial manufacturing contexts. Such systems provide immediate feedback and facilitate real-time adjustments, leading to improved process control, reduced material waste, and enhanced product quality. Furthermore, there is a growing focus on environmental and biological applications, such as the detection of microplastics and the characterization of drug delivery systems or viral particles. These complex samples require the development of specialized instruments and tailored methodologies, which in turn can lead to significant advancements in environmental protection, healthcare, and pharmaceutical research.
The continued innovation in nanoparticle and microparticle measuring equipment is crucial for scientific discovery and industrial advancement. As the understanding and manipulation of materials at the nanoscale and microscale continue to expand, the demand for more precise, efficient, and versatile characterization tools will only intensify. ...Read more
Haptic solutions, which mimic real-world touch sensations, are revolutionizing industries like VR, healthcare, and consumer electronics by providing tactile feedback. The demand for enhanced interactivity drives the development of advanced haptic devices like gloves, vests, and controllers, offering a more realistic experience.
The trend is particularly impactful in industries like education, where haptics in VR simulations can replicate hands-on experiences, such as medical procedures or mechanical repairs, without real-world risks. The miniaturization of haptic technology is another emerging trend. The advancement enhances user convenience and broadens the scope of applications. For example, haptic feedback in smartwatches can deliver discrete notifications or guide users during fitness activities. Mobile gaming is leveraging haptic enhancements to provide players with tactile cues, enriching gameplay without adding bulk to devices.
In the automotive sector, haptic solutions are revolutionizing human-machine interfaces (HMIs). Touch-sensitive dashboards, steering wheels, and control panels equipped with haptic feedback improve driver interaction and safety by providing tactile responses to touch commands. It allows drivers to focus on the road without relying solely on visual feedback. Healthcare is another industry witnessing transformative applications of haptic solutions. Haptic technologies are used in telemedicine, physical therapy, and surgical training to simulate real-world touch sensations. The innovations are making healthcare more accessible and practical.
Developing multi-sensory haptic systems is a noteworthy trend aimed at creating more prosperous and more nuanced tactile experiences. Researchers are exploring combining haptics with audio and visual feedback for greater realism. For instance, synchronized haptic responses with sound and graphics can create a fully immersive experience in entertainment and gaming. In e-commerce, multi-sensory haptics can allow customers to "feel" textures and materials virtually, bridging the gap between online and in-store shopping experiences.
The adoption of piezoelectric and electroactive polymers is driving advancements in haptic technologies. These materials enable precise and efficient haptic feedback while being lightweight and energy-efficient. Their application ranges from flexible displays to medical devices, where fine-tuned tactile responses are essential. As material science continues to evolve, haptic solutions are becoming more versatile, durable, and cost-effective, paving the way for broader adoption across industries. For instance, smartphone haptics can adapt to user behavior, delivering customized feedback for notifications, gaming, or typing.
Personalized haptics enhances user satisfaction and engagement by providing each individual with a unique and intuitive experience. The industry addresses sustainability concerns while catering to the growing demand for green technologies. Haptic solutions are evolving rapidly, driven by trends such as VR integration, miniaturization, automotive applications, and advancements in healthcare. The focus on multi-sensory systems, innovative materials, personalization, and sustainability further underscores the transformative potential of haptic technologies. ...Read more
Integrating IoT, blockchain technology, and deep learning models has revolutionized smart home automation, providing enhanced security, efficiency, and autonomy. This integration optimizes energy usage, improves security, and streamlines daily routines, paving the way for a new era in household management.
Security vulnerabilities have become a significant concern with the proliferation of IoT devices. By leveraging blockchain's decentralized and immutable ledger, smart home systems can ensure the integrity and security of data exchanges between devices. Each transaction or data transfer is recorded tamper-proof across multiple nodes, eradicating the risk of a single point of failure or unauthorized access. Blockchain facilitates secure peer-to-peer transactions and automated smart contracts. Devices can autonomously interact and transact based on predefined conditions without intermediaries. Combining IoT connectivity, blockchain security, and deep learning intelligence can enhance homeowners' convenience, efficiency, and peace of mind.
A smart thermostat could adjust the temperature based on real-time weather data retrieved from decentralized sources, all executed through smart contracts recorded on the blockchain. Deep learning models further enhance the capabilities of IoT-based smart home automation by enabling predictive analytics and personalized experiences. These models can analyze historical data from IoT devices to identify patterns, preferences, and anomalies. A deep learning algorithm could learn the occupants' daily routines and adjust lighting, temperature, and other settings to optimize comfort and energy efficiency.
Deep learning-powered anomaly detection algorithms can identify unusual behavior patterns indicative of security breaches or malfunctions. For instance, if a security camera detects unusual movements while the occupants are away, the system can trigger alerts and take appropriate actions, such as notifying the homeowners or activating additional security measures. The critical challenge in implementing IoT-based smart home automation with blockchain and deep learning is interoperability and standardization. With various devices from different manufacturers operating on multiple protocols, ensuring seamless integration and compatibility can be complex.
Initiatives such as developing open-source protocols and industry standards aim to address these challenges and foster a more cohesive ecosystem. Privacy and data ownership are critical considerations when deploying smart home systems. With sensitive data being generated and exchanged among devices, ensuring user consent, data encryption, and transparent data handling practices are paramount. Blockchain-based identity management solutions can give users control over their data, allowing them to specify who can access it and under what conditions. Integrating IoT, blockchain, and deep learning models holds immense potential for revolutionizing smart home automation. ...Read more