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2. Hyaluronic acid - Wikipedia

   en.wikipedia.org/wiki/Hyaluronic_acid

   Hyaluronic acid is a polymer of disaccharides, which are composed of D-glucuronic acid and N-acetyl-D-glucosamine, linked via alternating β-(1→4) and β-(1→3) glycosidic bonds. Hyaluronic acid can be 25,000 disaccharide repeats in length. Polymers of hyaluronic acid can range in size from 5,000 to 20,000,000 Da in vivo.

3. pH-sensitive polymers - Wikipedia

   en.wikipedia.org/wiki/PH-sensitive_polymers

   Examples include chitosan, hyaluronic acid, alginic acid and dextran. [1] Chitosan, a frequently used example, is cationic. Since DNA is negatively charged, DNA could be attached to chitosan as a way to deliver genes to cells. [3] Alginic acid, on the other hand, is anionic.

4. Hyaluronan synthase - Wikipedia

   en.wikipedia.org/wiki/Hyaluronan_synthase

   Chain elongation, beginning from the GlcNAc primer, occurs with sequential addition of alternating UDP-GlcA and UDP-GlcNAc units to the reducing end of the growing chain. [19] Diagram of the mechanism of hyaluronan synthase. In each iteration of chain elongation, one active site domain is occupied by the existing UDP-hyaluronan chain.

5. HAS2 - Wikipedia

   en.wikipedia.org/wiki/HAS2

   Hyaluronan or hyaluronic acid is a high molecular weight unbranched polysaccharide synthesized by a wide variety of organisms from bacteria to mammals, and is a constituent of the extracellular matrix. [7] [8] It consists of alternating glucuronic acid and N-acetylglucosamine residues that are linked by beta-1-3 and beta-1-4 glycosidic bonds.

6. Glycosaminoglycan - Wikipedia

   en.wikipedia.org/wiki/Glycosaminoglycan

   Hyaluronic acid binds cells together, lubricates joints, and helps maintain the shape of the eyeballs. [19] The viscoelasticity of hyaluronic acid makes it ideal for lubricating joints and surfaces that move along each other, such as cartilage. A solution of hyaluronic acid under low shear stress has a much higher viscosity than while under ...

7. These are the 14 Best Peptide Serums, According to ... - AOL

   www.aol.com/lifestyle/16-best-peptide-serums...

   Plus, it features multiple weights of hyaluronic acid for a refreshing burst of hydration. Key ingredients: Poly-peptide complex, marine bamboo, hyaluronic acid Skin type: Normal, dry

8. Sodium hyaluronate - Wikipedia

   en.wikipedia.org/wiki/Sodium_hyaluronate

   Sodium hyaluronate is the sodium salt of hyaluronic acid.It is a glycosaminoglycan and long-chain polymer of disaccharide units of Na-glucuronate-N-acetylglucosamine. It can bind to specific receptors for which it has a high affinity.

9. Is Hyaluronic Acid the Missing Ingredient in Your Hair Routine?

   www.aol.com/lifestyle/hyaluronic-acid-missing...

   Though it's best known in the world of skincare, hyaluronic acid is a superstar ingredient in many hydrating hair products. Here, experts break down its benefits, side effects, and how to use it.