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Spherical fullerenes are also called buckyballs, and they resemble the balls used in football (soccer). Fullerenes are similar in structure to graphite, which is composed of stacked graphene sheets of linked hexagonal rings; but they may also contain pentagonal (or sometimes heptagonal) rings.
Fullerenes had been predicted for some time, but only after their accidental synthesis in 1985 were they detected in nature [3] [4] and outer space. [5] [6] The discovery of fullerenes greatly expanded the number of known allotropes of carbon, which had previously been limited to graphite, diamond, and amorphous carbon such as soot and charcoal.
In organic chemistry, spherical aromaticity is formally used to describe an unusually stable nature of some spherical compounds such as fullerenes and polyhedral boranes. In 2000, Andreas Hirsch and coworkers in Erlangen , Germany , formulated a rule to determine when a spherical compound would be aromatic .
Black tea sorted by characteristic and quality in a sample tray at a Sri Lankan tea factory. Various whole dried leaves, partial leaves, and tea dusts are used in combination to produce different types of blended teas Breakfast Breakfast teas are generally a blend of different robust, full-bodied black teas that are often drunk with milk.
Fullerene chemistry is a field of organic chemistry devoted to the chemical properties of fullerenes. [1] [2] [3] Research in this field is driven by the need to functionalize fullerenes and tune their properties. For example, fullerene is notoriously insoluble and adding a suitable group can enhance solubility. [1]
Similarly, a powder derived from drying a decoction can be pressed into a tablet or packaged into a capsule. [5] Another form that only became common with modern packaging is the liquid. The liquid can be water-based similar to the tea used to make the teapill, or be an alcohol-based extract of herbs.
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