1 In the All or part of the file name box, type officeav.dll. 2  In the Look in box, click Local Hard Drives. 3  Click Search. When the search result is displayed in the right pane, note the path of the Officeav.dll file.  Locate the Officeav.dll file, right-click officeav.dll, and then click Rename.
The hair shaft made of a protein called keratin is tough and resistant to wear and tear. Eighteen amino acids make up the keratin of which the most abundant is the cysteine. It gives the hair much of its strength. The middle layer of the hair is the cortex. It is made up of polypeptide chains that are cross-linked with each other, by three different types of side bonds.
In the body, cysteine is an essential part of glutathione, an antioxidant compound, and is also used to produce the amino acid taurine as well as coenzyme A, biotin and heparin. Cysteine is a component in beta-keratin and is believed to preserve skin elasticity and to protect the lining of the digestive system.ysteine, an amino acid that can be synthesized by the body or consumed in certain foods, is one. Cysteine has several physiological roles, though many people believe that taking additional cysteine as a dietary supplement can also benefit your health.