Nano TransMed, Journal Year: 2024, Volume and Issue: unknown, P. 100057 - 100057
Published: Oct. 1, 2024
Language: Английский
Case Studies in Chemical and Environmental Engineering, Journal Year: 2024, Volume and Issue: 9, P. 100673 - 100673
Published: Feb. 23, 2024
It is difficult to reuse wastes from polymers due the mismatch between amount of contaminants and secondary quality feed. This type operation much more expensive cost-effective than production polymer raw materials latest materials. However, recyclable beneficial if used extensively in various concrete products wood-polymer boards. done only cleaning sorting are not particularly important for products. Polyethylene terephthalate (PET) a widely industries its excellent physical chemical properties. Besides, increasing use PET has led global crisis waste management, as improper disposal caused significant environmental damage. major source accumulated landfills, address this issue, recycling methods have evolved. In regard, present review examines techniques involved PET. Conventional influence diverse depolymerization reaction variables were discussed, upsides downsides each technique considered. The summarizes advances technologies plastic waste, focusing on bio-recycling PET, aiming sustainable, economical solutions circular economy.
Language: Английский
Citations
97
South African Journal of Chemical Engineering, Journal Year: 2023, Volume and Issue: 46, P. 233 - 270
Published: Aug. 22, 2023
Today, in diverse medical and clinical fields, including cancer treatment, nanoscience has evolved evolved. Cancer its forms, on the other hand, have been rumored inclusive, many individuals suffer from this fatal lethal condition. Actually, even with medicinal effect, current therapeutic approaches, chemotherapy, radiotherapy, etc., create symptoms that are inconvenient for patients. Scientists scholars also working to establish and, strengthen options methods of therapy deal dangerous illness. Nanoscience nanotechnology popular today, their different areas, nanoparticles, commonly used a number applications, especially drug delivery diagnostic products, cases imaging. Release mechanisms focused profound effect release drugs. Biomaterials bio-engineering developments leading novel approaches nanoparticles could offer new way patients improve. In method, Nano-technology had great selection cells, targeted drug, overcoming traditional chemotherapy limitations. This article discusses tumor tissue, method is more effective than methods, solved problem cell resistance provided field treatment cancer.
Language: Английский
Citations
80
Case Studies in Chemical and Environmental Engineering, Journal Year: 2024, Volume and Issue: 9, P. 100626 - 100626
Published: Jan. 24, 2024
Nanoparticles have revolutioned materials secience and manufacturing industry thanks to their ultrafine scale. Nano-scale titanium oxide (nano-TiO2) are key elements of a wide variety sectors advanced materials, devices, systems in view versatility extraordinary characetristics, mainly optical, electrical catalytic properties. Thnaks aforementioned features, they found position different industries such as colors pigments, photocatalysts, photovoltaic solar cells, adsorbents, cosmetics, electric electronic devices. Nano-SiO2 application gives rise range properties performance, which severely depends on particle size, size distribution, agglomeration the bulk host or systems. When used surface coating additive even functionalized, nano- TiO2 takes more roles, state-of-the-art depending synthesis method. Therefore, review synthesis, properties, surface- bulk-functionalization/modification (respectively with function groups doping) methods achieving high-performance seems essential. In this review, background information developments from pure Titanium Oxide chemically modified -based photocatalysts were discussed detail, Photocatalytic activity oxide-based nitrogen group pollutant decomposition. It also Vehicle for Chemotherapeutics Other Applications Medicine an overview factors affecting been reviewed.
Language: Английский
Citations
73
South African Journal of Chemical Engineering, Journal Year: 2023, Volume and Issue: 46, P. 286 - 311
Published: Aug. 22, 2023
One-dimensional nanostructures are generally cited as nanowires, nanofibers, nanotubes, and so on. The foremost prominent feature of these materials is their electrical conductivity, which, unlike classical physics, doesn't increase resistance because the diameter decreases. Numerous properties like optical, magnetic, biological, environmental sensory have created many applications for them altogether industries. nanowires (NWs) propose potential impact on electronics, computing, memory, data storage, communications, manufacturing, health, medicine, national security, other economic sectors well. NWs offer excellent surface-to-volume ratio (interface phenomena), low defect density, high optical output, controllable n-type making more appropriate sensitive sensing applications. with ultra-sensitive real-time detection capabilities lend in nano biosensors, chemical sensors, gas electrochemical sensors. been used improving absorption well collection efficacy photovoltaic devices. having small size, weight, cost mass production, also compatible commercial planar processes large-scale circuitry. In paper, authors focusing to summarize recent advances various fields such research, education, entertainment, power generation.
Language: Английский
Citations
44
Results in Chemistry, Journal Year: 2024, Volume and Issue: 7, P. 101332 - 101332
Published: Jan. 1, 2024
The emission of heavy metals in the environment has caused many problems world due to industrialization society and expansion urbanization. Environmental pollution, including greenhouse gases water-soluble toxic pollutants, is a major concern around world. One most important issues protecting health humans, animals plants cleanliness water. Water substance vital for all living things on planet. can be treated several ways, such as desalination, purification, osmosis, disinfection, deposition contaminants. Among these methods, adsorption method advantages over other methods. surface phenomenon during which contaminants are adsorbed adsorbent with physical forces depends factors temperature, pH, concentration contaminants, time phase contact particle size temperature nature pollutants adsorption. Chitosan received widespread attention an because its low cost great potentials. abundant hydroxyl amino groups that bind metal ions. However, it defects sensitivity thermal stability, mechanical strength, limit application chitosan wastewater treatment. functional modified improve performance via crosslinking graft modification. porosity specific area powder form not ideal, therefore, modification been attempted generate nanoparticles hydrogel. also integrated materials (e.g. graphene, zeolite) resulting composite improved performance. This review mainly focuses reports about derivatives remove different metals. preparation strategy, mechanism, affecting adsorbents each type discussed detail. Recent organic (dyes phenol) removal by briefly discussed.
Language: Английский
Citations
40
Case Studies in Chemical and Environmental Engineering, Journal Year: 2024, Volume and Issue: 10, P. 100869 - 100869
Published: July 29, 2024
Bone is the second organ of human body that has most transplants. The concept bone repair evolved over past five decades and known as third generation biomaterials. During integration nanotechnology with bioceramics, an emerging research field called nanobioceramics been born within Due to chemical similarity mineral content bone, are included in definition a new biomaterials whose main purpose create microenvironment improve cellular responses leading osteogenesis. Hydroxyapatite member calcium phosphate family. This substance, which bioactive biocompatible compound, considered component tissue. structural this compound it widely used tissue dental orthopedic applications. Many basic properties hydroxyapatite can be improved by changing scale its particles nanoparticles. Therefore, recent years, various methods for synthesis nanohydroxyapatite have reported. Using different characterization methods, quality synthesized nanostructures checked. In addition bone-related fields, also carrier transfer materials, including drugs, vitamins, proteins. article, modern times, advances biomedical focusing on use bioceramics treatment diseases, function vital organs, engineering brought hopes regenerative medicine. Various being investigated synthesize bioceramic materials using natural synthetic materials. There several challenges enable cost-effective material minimize rejection biological systems. One major incorporating foreign into systems their acceptance reduce humans other organisms studying immune responses. When developing ceramic mechanical one important parameters humans. evaluation criteria mechanical, existing approaches play crucial role validating bioceramics. State-of-the-art techniques
Language: Английский
Citations
17
Case Studies in Chemical and Environmental Engineering, Journal Year: 2023, Volume and Issue: 8, P. 100527 - 100527
Published: Oct. 15, 2023
In this study, fast gas adsorbent nanocomposites based on the carbon nanotubes (CNTs)/titanium dioxide (TiO2)/copper oxide (CuO)/Zeolite (CNTs/TiO2/CuO/Zeolite) and CNTs/TiO2 structures for nitrogen (NO2) removal have been investigated. The nanocomposite films were deposited glass substrate using push coating method. characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), Brunauer-Emmett-Teller (BET). BET test was carried out to study total surface diameter of pores within matrices nanocomposites. For nanocomposite, NO2 concentration (NGC) decreased from 102 ppm 41 ppm, CNTs/TiO2/CuO/Zeolite NGC 172 34 ppm. results revealed that efficiency adsorption capacity 80 % 138 mg g−1, respectively with reduction rate K = 0.37 min−1. additional exhibited is higher than CNTs/TiO2. This promising opens new insight investigating capability these materials pollutants industrial regions as environmentally friendly filters.
Language: Английский
Citations
41
BioNanoScience, Journal Year: 2023, Volume and Issue: 13(4), P. 1418 - 1436
Published: Aug. 19, 2023
Language: Английский
Citations
34
Symmetry, Journal Year: 2023, Volume and Issue: 15(6), P. 1179 - 1179
Published: June 1, 2023
Carbon nanotubes (CNTs), due to mechanical, electrical, and surface area properties their ability adapt different nanocomposite structures, are very substantial in supercapacitor electrodes. In this review, we have summarized high-performance, flexible, symmetry CNT supercapacitors based on the CNTs/graphene, CNTs/metal, CNTs/polymer To present recent developments supercapacitors, discuss performance of electrical such as specific capacitance (SC), power energy densities, retention (CR). The comparison electrodes results reported for future researchers.
Language: Английский
Citations
32
Results in Chemistry, Journal Year: 2023, Volume and Issue: 7, P. 101300 - 101300
Published: Dec. 31, 2023
Lung cancer is one of the most common diseases worldwide today and has highest mortality rate among cancers. Therefore, early diagnosis this disease special importance. Due to fact that methods for detecting lung are costly time-consuming, providing cheaper faster received attention. With significant development nanotechnology in recent years various nanomaterials, activities have been carried out field. Recent studies show graphene oxide due their unique properties, a high potential design biosensors detect cancer.
Language: Английский
Citations
30