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  2. Biuret test - Wikipedia

    en.wikipedia.org/wiki/Biuret_test

    The characteristic color of a positive biuret test. In chemistry, the biuret test (IPA: / ˌ b aɪ j ə ˈ r ɛ t /, / ˈ b aɪ j ə ˌ r ɛ t / [1]), also known as Piotrowski's test, is a chemical test used for detecting the presence of at least two peptide bonds in a molecule.

  3. Bicinchoninic acid assay - Wikipedia

    en.wikipedia.org/wiki/Bicinchoninic_acid_assay

    BCA protein assay in a 96 well plate. The bicinchoninic acid assay (BCA assay), also known as the Smith assay, after its inventor, Paul K. Smith at the Pierce Chemical Company, [1] now part of Thermo Fisher Scientific, is a biochemical assay for determining the total concentration of protein in a solution (0.5 μg/mL to 1.5 mg/mL), similar to Lowry protein assay, Bradford protein assay or ...

  4. Biuret - Wikipedia

    en.wikipedia.org/wiki/Biuret

    A variety of organic derivatives are known. The term "biuret" also describes a family of organic compounds with the chemical formula R 1 R 2 N−C(=O)−N(R 3)−C(=O)−NR 4 R 5, where R 1, R 2, R 3, R 4 and R 5 are hydrogen, organyl or other groups. Also known as carbamylurea, it results from the condensation of two equivalents of urea. It is ...

  5. List of reagent testing color charts - Wikipedia

    en.wikipedia.org/wiki/List_of_reagent_testing...

    It is advised to check the references for photos of reaction results. [1] Reagent testers might show the colour of the desired substance while not showing a different colour for a more dangerous additive. [2] For this reason it is essential to use multiple different tests to show all adulterants.

  6. Patrick Mahomes just keeps winning. He’s not all that ... - AOL

    www.aol.com/patrick-mahomes-just-keeps-winning...

    Patrick Mahomes is standing on the verge of an unprecedented career: he’s in his fifth Super Bowl, won of three them already and trying to win another to pull off a three-peat that has never ...

  7. I Ate a High-Protein Breakfast for Two Weeks—Here’s What Happened

    www.aol.com/ate-high-protein-breakfast-two...

    My Results. The benefits I experienced have been so rewarding that I may never go back to my days of tea and toast. Plus, with so many easy, tasty options, this departure from my typical breakfast ...

  8. Lowry protein assay - Wikipedia

    en.wikipedia.org/wiki/Lowry_protein_assay

    The method combines the reactions of copper ions with the peptide bonds under alkaline conditions (the Biuret test) with the oxidation of aromatic protein residues. The Lowry method is based on the reaction of Cu +, produced by the oxidation of peptide bonds, with Folin–Ciocalteu reagent (a mixture of phosphotungstic acid and phosphomolybdic acid in the Folin–Ciocalteu reaction).

  9. Army helicopter in DC crash was on 'routine' training flight ...

    www.aol.com/news/army-helicopter-dc-crash...

    The Army helicopter that collided with an American Airlines passenger plane near Ronald Reagan National Airport on Wednesday, likely killing all 67 people aboard both aircraft, was the result of ...