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Topic Review
Biography
Topic Review
Boron Used in Lithium Batteries Electrolytes
Boron and boron compounds have been extensively studied together in the history and development of lithium batteries, which are crucial to decarbonization in the automotive industry and beyond. As early as the year 2000, lithium bis(oxalato)borate, also known as LiBOB, was first reported for synthesis and use in electrolytes of LIBs. Because of the merits of being halide-free and more thermally stable than LiPF6, LiBOB has been proven beneficial either as a direct replacement for LiPF6 or as an electrolyte additive (2 wt%) in a nickel cobalt aluminum (NCA)—graphite system.
1.1K
03 Nov 2022
Topic Review
Solid-State Electrolytes for Lithium–Sulfur Batteries
Lithium–sulfur batteries (LSBs) represent a promising next-generation energy storage system, with advantages such as high specific capacity (1675 mAh g−1), abundant resources, low price, and ecological friendliness. During the application of liquid electrolytes, the flammability of organic electrolytes, and the dissolution/shuttle of polysulfide seriously damage the safety and the cycle life of lithium–sulfur batteries. Replacing a liquid electrolyte with a solid one is a good solution, while the higher mechanical strength of solid-state electrolytes (SSEs) has an inhibitory effect on the growth of lithium dendrites. However, the lower ionic conductivity, poor interfacial contact, and relatively narrow electrochemical window of solid-state electrolytes limit the commercialization of solid-state lithium–sulfur batteries (SSLSBs).
531
03 Nov 2022
Topic Review
Tin Oxide Based Hybrid Nanostructures for Gas Sensing
Metal oxide nanoparticles represent a field of materials chemistry and have attracted considerable attention due to their potential applications in domestic, industrial and commercial fields as sensors due to their many significant features such as easy production, low cost and compact size. The potential implications of metal oxides in fields such as energy storage, catalysis, medicine, informational technology and gas sensing have driven much research attention to the development of synthetic pathways towards their nanostructure fabrication. Due to the reduced size and increased surface-to-volume ratio, the nano-sized compounds have shown applications in different fields such as gas sensing, catalysis, lithium-ion batteries and dye-sensitized solar cells. Among various applications of nanomaterials, gas sensing has attracted much attention from the scientific community due to the increased demand for efficient sensors for defense, environmental applications, exhaust gas determination in automobiles, leakage determination in chemical plants, product quality assurance in food companies and so on. One of the most prominent applications of gas sensors is the detection of harmful gases present in the environment and their precise monitoring beyond a certain limit, which has become the most challenging aspect for humankind in this ever-polluted environment.
523
03 Nov 2022
Topic Review
Biohydrogen for Sustainable Energy Solutions
Energy plays a crucial role in the sustainable development of modern nations. Hydrogen is considered the most promising alternative fuel as it can be generated from clean and green sources. Moreover, it is an efficient energy carrier because hydrogen burning only generates water as a byproduct. It is generated from natural gas. However, it can be produced using other methods, i.e., physicochemical, thermal, and biological. The biological method is considered more environmentally friendly and pollution free.
740
03 Nov 2022
Topic Review
History of the Greatest “Minor” Cannabinoid
Cannabis (Cannabis sativa L.) is an outstanding source of bioactive natural products, with more than 150 different phytocannabinoids isolated; however, studies of their bioactivity have historically concentrated on the so-called “big four” [∆9-tetrahydrocannabinol, cannabidiol, cannabigerol and cannabichromene]. Among the remaining products, which have traditionally been referred to as “minor cannabinoids”, cannabinol stands out for its important repercussions and implications on the global scientific landscape.
438
03 Nov 2022
Topic Review
List of UN Numbers 3301 to 3400
The UN numbers from UN3301 to UN3400 as assigned by the United Nations Committee of Experts on the Transport of Dangerous Goods.
319
02 Nov 2022
Topic Review
Nanotechnology in Warfare
Nanotechnology in Warfare is a branch of nano-science in which molecular systems are designed, produced and created to fit a nano-scale (1-100nm). The application of such technology, specifically in the area of warfare and defence, has paved the way for future research in the context of weaponisation. Nanotechnology unites a variety of scientific fields including material science, chemistry, physics, biology and engineering. Advancements in this area, have led to categorised development of such nano-weapons with classifications varying from; small robotic machines, hyper-reactive explosives, and electromagnetic super-materials. With this technological growth, has emerged implications of associated risks and repercussions, as well as regulation to combat these effects. These impacts give rise to issues concerning global security, safety of society, and the environment. Legislation may need to be constantly monitored to keep up with the dynamic growth and development of nano-science, due to the potential benefits or dangers of its use. Anticipation of such impacts through regulation, would 'prevent irreversible damages' of implementing defence related nanotechnology in warfare.
3.8K
02 Nov 2022
Topic Review
Purple Drank
Purple drank is a recreational drug, created by combining prescription-grade cough syrup with a soft drink and hard candy. The concoction originated in Houston, Texas, and is popular among those who belong to the hip hop subculture or reside in the southern United States.
1.9K
02 Nov 2022
Topic Review
Chlamydomonas Reinhardtii
Chlamydomonas reinhardtii is a single-cell green alga about 10 micrometres in diameter that swims with two flagella. It has a cell wall made of hydroxyproline-rich glycoproteins, a large cup-shaped chloroplast, a large pyrenoid, and an eyespot that senses light. Chlamydomonas species are widely distributed worldwide in soil and fresh water. Chlamydomonas reinhardtii is an especially well studied biological model organism, partly due to its ease of culturing and the ability to manipulate its genetics. When illuminated, C. reinhardtii can grow photoautotrophically, but it can also grow in the dark if supplied with organic carbon. Commercially, C. reinhardtii is of interest for producing biopharmaceuticals and biofuel, as well being a valuable research tool in making hydrogen.
2.0K
02 Nov 2022
Topic Review
Charlotte's Web (Cannabis)
Charlotte's Web is a high-cannabidiol (CBD), low-tetrahydrocannabinol (THC) Cannabis strain marketed as a dietary supplement under federal law of the United States. It is produced by the Stanley brothers in Colorado. It does not induce the psychoactive "high" typically associated with recreational marijuana strains that are high in THC. In September 2014, the Stanleys announced that they would ensure that the product consistently contained less than 0.3% THC. Charlotte's Web is named after Charlotte Figi, born (2006-10-18) October 18, 2006 (age 16), whose story has led to her being described as "the girl who is changing medical marijuana laws across America." Her parents and physicians say she experienced a reduction of her epileptic seizures brought on by Dravet syndrome after her first dose of medical marijuana at five years of age. Her usage of Charlotte's Web was first featured in the 2013 CNN documentary "Weed". Media coverage increased demand for Charlotte's Web and similar products high in CBD, which has been used to treat epilepsy in toddlers and children. It was originally called "Hippie's Disappointment" as it was a strain that had high CBD and could not induce a "high". While anecdotal reports have sparked interest in treatment with cannabinoids, there is not enough evidence to draw conclusions with certainty about their safety or efficacy. Physicians worry that some parents are willing to try treatments before proper research has been conducted, and that they may be disappointed. They are "alarmed by parallels to past miracle-cure manias later proved false..." and "...wary of the heightened placebo effect in treatments involving children, when reports of progress depend on the view of parents."
3.0K
02 Nov 2022
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