نتایج جستجو برای: buckyballs
تعداد نتایج: 107 فیلتر نتایج به سال:
A 15-year-old female with no past medical history presented 3 hours after ingesting 2 Buckyballs she had been using to create a mock tongue piercing. Buckyballs are 5-mm magnets made of neodymium, which is 5 times more powerful than a regular magnet. They are used as educational toys and as an artistic medium. Buckyball stopped production in 2012 after many cases of ingestion and a United State...
T his year marks the 30th anniversary of the discovery of C60, the carbon cages affectionately known as buckyballs. Astronomers have long speculated that the molecules could be responsible for unusual features in the spectra of starlight, known as diffuse interstellar bands (DIBs). After two decades of research, John P. Maier, professor of chemistry at the University of Basel, in Switzerland, r...
We applied density functional theory (DFT) to study three polycyclic aromatic compounds (PAHs), corannulene, coronene, and circulene, for the preparation of twelve new buckyballs withmolecular dimensions of less than a nanometer.The results showed that the corannulene molecule is bowl-shaped, the coronene molecule is planar, and the circulene molecule has a unique saddle-shaped structure. Cycli...
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