The Mac
@TheMac
08 December, 03:39
A seed crystal is a small crystal that is used as a base to grow a large single crystal. Without a seed, crystals form slowly from random intermolecular interactions. When the seed is placed in a saturated or supersaturated solution it acts as a nucleation site. This decreases the time needed to grow a crystal and directs growth to a single region. Here’s how to grow a seed crystal and how to use one to get a large, perfect crystal.
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The Mac
@TheMac
08 December, 03:42
In response The Mac to his Publication
The semiconductor industry uses seed crystals to grow large single crystals (boules) of silicon using the Bridgman technique or Czochralski method. Seed crystals promote the growth of desirable type V crystals when tempering chocolate. Seeds are also used to grow crystals for crystallography and other purposes.
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The Mac
@TheMac
08 December, 03:43
In response The Mac to his Publication
Virus Structure
X-ray crystallography is a tool used for determining the atomic and molecular structure of a crystal. The underlying principle is that the crystalline atoms cause a beam of X-rays to diffract into many specific directions
X-ray crystallography is a tool used for determining the atomic and molecular structure of a crystal. The underlying principle is that the crystalline atoms cause a beam of X-rays to diffract into many specific directions
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The Mac
@TheMac
08 December, 03:44
In response The Mac to his Publication
In virology. In 1935 tobacco mosaic virus became the first virus to be crystallized; in 1955 the poliomyelitis virus was crystallized.
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The Mac
@TheMac
08 December, 03:47
In response The Mac to his Publication
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The Mac
@TheMac
08 December, 03:48
In response The Mac to his Publication
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The Mac
@TheMac
08 December, 03:48
In response The Mac to his Publication
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The Mac
@TheMac
08 December, 03:50
In response The Mac to his Publication
Epstein has touted his time on Rockefeller University’s board, but a spokesperson tells The Verge this was only for a single three-year term in the 90s.
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The Mac
@TheMac
08 December, 03:51
In response The Mac to his Publication
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Scientists also are testing whether delivering either bNAbs against the virus or antibodies against parts of the immune system can produce ART-free remission by inducing long-lasting, immune-mediated control of the virus without further intervention, Dr. Fauci will explain. A study led by scientists at NIAID and Rockefeller University showed that giving infusions of two different bNAbs to monkeys infected with a simian form of HIV enabled the immune systems of some of the animals to control the virus long after the antibodies were gone.
03:53 PM - Dec 08, 2021
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The Mac
@TheMac
08 December, 03:55
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The Mac
@TheMac
08 December, 03:56
In response The Mac to his Publication
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