Emerging new-generation hybrids based on covalent organic frameworks for industrial applications

2021 ◽  
Vol 45 (16) ◽  
pp. 7014-7046
Author(s):  
Shadpour Mallakpour ◽  
Elham Azadi ◽  
Chaudhery Mustansar Hussain
Keyword(s):  
Industrial Applications ◽  
Covalent Organic Frameworks ◽  
New Generation

This review highlights the advancement of COF hybrid-based materials for diverse industrial applications.

scholarly journals New Generation of Electrochemical Sensors Based on Multi-Walled Carbon Nanotubes

2018 ◽  
Vol 8 (10) ◽  
pp. 1925 ◽  
Author(s):  
Thiago Oliveira ◽  
Simone Morais
Keyword(s):  
Carbon Nanotubes ◽  
Electrochemical Sensors ◽  
Industrial Applications ◽  
Charge Transfer Resistance ◽  
Active Surface Area ◽  
Synthesis Methods ◽  
Transfer Resistance ◽  
Multi Walled Carbon Nanotubes ◽  
New Generation ◽  
Walled Carbon Nanotubes

Multi-walled carbon nanotubes (MWCNT) have provided unprecedented advances in the design of electrochemical sensors. They are composed by sp2 carbon units oriented as multiple concentric tubes of rolled-up graphene, and present remarkable active surface area, chemical inertness, high strength, and low charge-transfer resistance in both aqueous and non-aqueous solutions. MWCNT are very versatile and have been boosting the development of a new generation of electrochemical sensors with application in medicine, pharmacology, food industry, forensic chemistry, and environmental fields. This work highlights the most important synthesis methods and relevant electrochemical properties of MWCNT for the construction of electrochemical sensors, and the numerous configurations and successful applications of these devices. Thousands of studies have been attesting to the exceptional electroanalytical performance of these devices, but there are still questions in MWCNT electrochemistry that deserve more investigation, aiming to provide new outlooks and advances in this field. Additionally, MWCNT-based sensors should be further explored for real industrial applications including for on-line quality control.

Emerging new-generation covalent organic frameworks composites as green catalysts: design, synthesis and solar to fuel production

2022 ◽  
pp. 134594
Author(s):  
Shilpa Patial ◽  
Pankaj Raizada ◽  
Aftab Aslam Parwaz Khan ◽  
Arachana Singh ◽  
Quyet Van Le ◽  
...  
Keyword(s):  
Covalent Organic Frameworks ◽  
Fuel Production ◽  
Design Synthesis ◽  
New Generation

Developing a new generation of sisal composite fibres for use in industrial applications

2014 ◽  
Vol 66 ◽  
pp. 287-298 ◽  
Author(s):  
A. Ramzy ◽  
D. Beermann ◽  
L. Steuernagel ◽  
D. Meiners ◽  
G. Ziegmann
Keyword(s):  
Industrial Applications ◽  
New Generation

Exoskeletons – a review of industrial applications

2018 ◽  
Vol 45 (5) ◽  
pp. 585-590 ◽  
Author(s):  
Robert Bogue
Keyword(s):  
Far East ◽  
Industrial Applications ◽  
Diverse Range ◽  
Content Type ◽  
The Far East ◽  
The Usa ◽  
Financial Consequences ◽  
Industrial Injuries ◽  
New Generation ◽  
Insight Into

Purpose This paper aims to provide details of the emerging families of robotic exoskeletons that are aimed at industrial applications. Design/methodology/approach Following an introduction, this paper considers the reasons for, and benefits of, using robotic exoskeletons in industrial applications. The paper then discusses a range of products and developments and their applications. Finally, brief concluding comments are drawn. Findings Following earlier military and medical developments, recent years have seen a huge upsurge in interest in industrial robotic exoskeletons. A new generation of products are under development in the USA, the Europe and the Far East by a growing number of companies, and some have entered production. The aim of developing industrial robotic exoskeletons is to assist workers in physically demanding tasks and, thus, reduce the incidence of industrial injuries and associated financial consequences. Several applications have been reported, most notably in the Far East, across a diverse range of industries. Originality/value New families of robotic exoskeletons are being developed, and these are poised to exert a major impact on many industries and constitute a significant market opportunity. This paper provides a timely insight into these developments.

Covalent Organic Frameworks in Separation

2020 ◽  
Vol 11 (1) ◽  
pp. 131-153
Author(s):  
Saikat Das ◽  
Jie Feng ◽  
Wei Wang
Keyword(s):  
Green Revolution ◽  
Clean Energy ◽  
Chiral Separations ◽  
Porous Polymers ◽  
Future Research ◽  
Covalent Organic Frameworks ◽  
Separation Processes ◽  
Materials Research ◽  
Organic Solvent Nanofiltration ◽  
New Generation

In the wake of sustainable development, materials research is going through a green revolution that is putting energy-efficient and environmentally friendly materials and methods in the limelight. In this quest for greener alternatives, covalent organic frameworks (COFs) have emerged as a new generation of designable crystalline porous polymers for a wide array of clean-energy and environmental applications. In this contribution, we categorically review the merits and shortcomings of COF bulk powders, nanosheets, freestanding thin films/membranes, and membranes on porous supports in various separation processes, including separation of gases, pervaporation, organic solvent nanofiltration, water purification, radionuclide sequestration, and chiral separations, with particular reference to COF material pore size, host–guest interactions, stability, selectivity, and permeability. This review covers the fabrication strategies of nanosheets, films, and membranes, as well as performance parameters, and provides an overview of the separation landscape with COFs in relation to other porous polymers, while seeking to interpret the future research opportunities in this field.

Tantalum Capacitor Technology Options for High Temperature and Harsh Environment Applications

2016 ◽  
Vol 2016 (HiTEC) ◽  
pp. 000299-000306
Author(s):  
Chris Reynolds
Keyword(s):  
High Temperature ◽  
Industrial Applications ◽  
Harsh Environment ◽  
Self Healing ◽  
Automotive Electronics ◽  
Hermetic Seal ◽  
Two Factors ◽  
Military Systems ◽  
Long Lifetime ◽  
New Generation

Abstract As new temperature critical applications continue to emerge, the need for components capable of enduring temperatures up to and exceeding 200°C is increasing. Advanced down-hole electronics, underhood automotive and aerospace systems rely on components delivering optimal performance while subject to extreme environmental conditions. This paper will discuss the design advances in tantalum technology that have given rise to innovative devices that provide the enabling technology for a new generation of applications. Traditionally, hermetically sealed “wet” axial tantalum capacitors (utilizing a non-solid electrolyte that promotes self-healing and long lifetime), have been used for both high bulk capacitance (to 5,600uF) and high voltage applications (to 125VDC). In recent years, this technology has been developed to meet the 200°C operational requirements of harsher environment industrial applications. For lower operating voltages (6v – 25v), SMD packages are preferred, and for several years, 200°C rated high temperature solid tantalum chip devices have been the preferred technology over “wet” tantalum for capacitances to 220uF, being smaller size, lower cost and having the combination of lower ESR and higher frequency response. More recently, hermetic SMD packaging has been developed for SMD solid tantalum capacitors. The hermetic seal enables the internal element to be operated in an inert gas environment, while offering superior resistance to moisture ingress. These two factors enable operation to 230°C, with higher capacitance (up to 330uF) and voltage (up to 63vDC) ranges. Both molded and hermetic high temperature SMD solid tantalum capacitors have been developed to be compatible with high temperature pcb or hybrid circuit assembly processes, with a range of termination finishes compatible with HMP solder, epoxy or wire bonding. Their design also harsh mechanical environment shock & vibration. This paper will discuss the evolution in materials, design and testing for each of these technologies, along with the considerations taken into account to give maximum compatibility with emerging requirements in high temperature and harsh environment applications, with emphasis on down-hole oil exploration, aerospace and military systems and underhood automotive electronics.

Bio-based polyhydroxyalkanoates blends and composites

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Samy A. Madbouly
Keyword(s):  
Mechanical Properties ◽  
Functional Materials ◽  
Cost Effective ◽  
Production Method ◽  
Industrial Applications ◽  
Mechanical And Thermal Properties ◽  
Wide Range ◽  
High Production ◽  
High Production Cost ◽  
New Generation

Abstract Polyhydroxyalkanoates (PHAs) are linear semicrystalline polyesters produced naturally by a wide range of microorganisms for carbon and energy storage. PHAs can be used as replacements for petroleum-based polyethylene (PE) and polypropylene (PP) in many industrial applications due to their biodegradability, excellent barrier, mechanical, and thermal properties. The overall industrial applications of PHAs are still very limited due to the high production cost and high stiffness and brittleness. Therefore, new novel cost-effective production method must be considered for the new generation of PHAs. One approach is based on using different type feedstocks and biowastes including food byproducts and industrial and manufacturing wastes, can lead to more competitive and cost-effective PHAs products. Modification of PHAs with different function groups such as carboxylic, hydroxyl, amine, epoxy, etc. is also a relatively new approach to create new functional materials with different industrial applications. In addition, blending PHA with biodegradable materials such as polylactide (PLA), poly(ε-caprolactone) (PCL), starch, and distiller’s dried grains with solubles (DDGS) is another approach to address the drawbacks of PHAs and will be summarized in this chapter. A series of compatibilizers with different architectures were successfully synthesized and used to improve the compatibility and interfacial adhesion between PHAs and PCL. Finer morphology and significantly improvement in the mechanical properties of PHA/PCL blends were observed with a certain type of block compatibilizer. In addition, the improvement in the blend morphology and mechanical properties were found to be strongly influenced by the compatibilizer architecture.

scholarly journals The Renaissance of Plant Mucilage in Health Promotion and Industrial Applications: A Review

Nutrients ◽  
2021 ◽  
Vol 13 (10) ◽  
pp. 3354
Author(s):  
Katarzyna Dybka-Stępień ◽  
Anna Otlewska ◽  
Patrycja Góźdź ◽  
Małgorzata Piotrowska
Keyword(s):  
Health Promotion ◽  
Biological Activity ◽  
Environmentally Friendly ◽  
Cost Effective ◽  
Industrial Applications ◽  
Biologically Active ◽  
Commercial Potential ◽  
Health Promoting ◽  
New Generation ◽  
Effective Source

Plant mucilage is a renewable and cost-effective source of plant-based compounds that are biologically active, biodegradable, biocompatible, nontoxic, and environmentally friendly. Until recently, plant mucilage has been of interest mostly for technological purposes. This review examined both its traditional uses and potential modern applications in a new generation of health-promoting foods, as well as in cosmetics and biomaterials. We explored the nutritional, phytochemical, and pharmacological richness of plant mucilage, with a particular focus on its biological activity. We also highlighted areas where more research is needed in order to understand the full commercial potential of plant mucilage.

scholarly journals A novel method for fabrication of fascinated nanofiber yarns

2015 ◽  
Vol 19 (4) ◽  
pp. 1331-1335 ◽  
Author(s):  
Hong-Yan Liu ◽  
Zhi-Min Li ◽  
Ke-Jing Li ◽  
Ya Li ◽  
Xue-Wei Li
Keyword(s):  
Mechanical Strength ◽  
Industrial Applications ◽  
The Core ◽  
Processing Approach ◽  
Potential Applications ◽  
Novel Method ◽  
Core Yarn ◽  
New Processing ◽  
New Generation

Potential applications of nanofibers as a new-generation of material will be realized if suitable nanofiber yarns become available. Electrospinning has been widely accepted as a feasible technique for the fabrication of continuous nanofiber yarns. However its low output limited its industrial applications. This paper presents a new processing approach to fabrication of fascinated nanofiber yarns which possess excellent properties of nanofibers while enhancing its mechanical strength by the core yarn.

Review of Cyclotrons for the Production of Radioactive Isotopes for Medical and Industrial Applications

2011 ◽  
Vol 04 (01) ◽  
pp. 103-116 ◽  
Author(s):  
Paul Schmor
Keyword(s):  
Computed Tomography ◽  
Single Photon ◽  
Photon Emission ◽  
Industrial Applications ◽  
Radioactive Isotopes ◽  
Emission Computed Tomography ◽  
Positron Emission ◽  
Wide Range ◽  
Therapeutic Procedures ◽  
New Generation

Radioactive isotopes are used in a wide range of medical, biological, environmental and industrial applications. Cyclotrons are the primary tool for producing the shorter-lived, proton-rich radioisotopes currently used in a variety of medical applications. Although the primary use of the cyclotron-produced short-lived radioisotopes is in PET/CT (positron emission tomography/computed tomography) and SPECT (single photon emission computed tomography) diagnostic medical procedures, cyclotrons are also producing longer-lived isotopes for therapeutic procedures as well as for other industrial and applied science applications. Commercial suppliers of cyclotrons are responding by providing a range of cyclotrons in the energy range of 3–70 MeV for the differing needs of the various applications. These cyclotrons generally have multiple beams servicing multiple targets. This review article presents some of the applications of the radioisotopes and provides a comparison of some of the capabilities of the various current cyclotrons. The use of nuclear medicine and the number of cyclotrons supplying the needed isotopes are increasing. It is expected that there will soon be a new generation of small "tabletop" cyclotrons providing patient doses on demand.

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