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2. Blue light spectrum - Wikipedia

   en.wikipedia.org/wiki/Blue_light_spectrum

   Studies have been conducted on blue light filtering eyeglasses, [5] [27] which uses special blue light blocking lenses for eye protection against blue light. [ 27 ] [ 28 ] All visible light wavelengths can be transmitted through the spectacle lens, [ 28 ] but some portions of the blue-violet light spectrum are selectively attenuated by coating ...

3. Photolabile protecting group - Wikipedia

   en.wikipedia.org/wiki/Photolabile_protecting_group

   A photolabile protecting group (PPG; also known as: photoremovable, photosensitive, or photocleavable protecting group) is a chemical modification to a molecule that can be removed with light. PPGs enable high degrees of chemoselectivity as they allow researchers to control spatial, temporal and concentration variables with light. Control of ...

4. Compound bow - Wikipedia

   en.wikipedia.org/wiki/Compound_bow

   In modern archery, a compound bow is a bow that uses a levering system, usually of cables and pulleys, to bend the limbs. [1] The compound bow was first developed in 1966 by Holless Wilbur Allen in North Kansas City, Missouri , and a US patent was granted in 1969.

5. tert-Butyloxycarbonyl protecting group - Wikipedia

   en.wikipedia.org/wiki/Tert-butyloxycarbonyl...

   Protection of amines can also be accomplished in acetonitrile solution using 4-dimethylaminopyridine (DMAP) as the base. Removal of the BOC group in amino acids can be accomplished with strong acids such as trifluoroacetic acid in dichloromethane , or with HCl in methanol .

6. Composite bow - Wikipedia

   en.wikipedia.org/wiki/Composite_bow

   Reconstruction of a Ming dynasty Kaiyuan horn, bamboo, and sinew composite bow by Chinese bowyer Gao Xiang A Korean master archer using a modern Korean composite bow. A composite bow is a traditional bow made from horn, wood, and sinew laminated together, a form of laminated bow.

7. Tris(4-bromophenyl)ammoniumyl hexachloroantimonate - Wikipedia

   en.wikipedia.org/wiki/Tris(4-bromophenyl...

   Commonly known as magic blue, it is the hexachloroantimonate salt of an amine radical cation. It is a blue solid that reacts with many solvents but is soluble in acetonitrile . The compound is a popular oxidizing agent in organic and organometallic chemistry , with a reduction potential of 0.67 V versus ferrocene /ferrocenium ( acetonitrile ...