Lidocaine is a selective inverse peripheral histamine H1-receptor agonist with an IC50 of >32 μM. Lidocaine is also an anasthetic and class Ib antiarrhythmic agent. This compund is known to block voltage-gated sodium channels in the inactivated state. Lidocaine is a second-generation…

Liqui-Gel is a 40% (w/v) solution of Ultra Pure Acrylamide (38.96%) and bis-Acrylamide (1.04%) in specially-prepared deionized water. Final ratio is 37.5:1. Acrylamide decomposes in the presence of acids, bases, oxidizing agents, iron, and iron salts. It decomposes non-thermally to form…

Lidocaine is the first amino amide–type local anesthetic. Lidocaine is used topically to relieve itching, burning and pain from skin inflammations, injected as a dental anesthetic or as a local anesthetic for minor surgery. A common local anesthetic and antiarrhythmic drug. Na+ channel…

Natural tomato lycopene is a mixture of isomers, primarily (all-E), but also some (5-Z) and two lesser and unidentified cis isomers, all of which are difficult to resolve by LC. Lycopene is an open chain unsaturated carotenoid that gives tomatoes, guava, rose hip, watermelon and pink grapefruit its…

Lecithin from Soy, Refined, is a natural mixture of phospholipids consisting of phosphatidyl choline, phosphatidyl ethanolamine, and phosphatidyl inositol. In soybean lecithin the predominant fatty acid is polyunsaturated linoleic acid, amounting to about 70% of the fatty acids present. …

Liqui-Gel™ 29:1 is a 40% (w/v) solution of Ultra Pure Acrylamide (38.67%) and bis-Acrylamide (1.33%) in specially-prepared deionized water. Final ratio is 29:1. The solution is used in protein and nucleic acid electrophoresis.

Lactic acid is fermentation acid from milk or carbohydrates. It occurs in the blood and muscle fluid of man and animals. The lactic acid concentration increases in muscle and blood after vigorous activity. It is also present in other organs including liver, kidney, and thymus gland, and other body…

Limonin is a natural compound found in grapefruit and other citrus seeds. Limonin is a triterpenoid aglycone that is a bitter principle of citrus fruits. It has been shown to inhibit chemically induced carcinogenesis and demonstrates anti feedant properties. Limonin may be used in assays to…