Serum immunoglobulin tests may be used in the assessment of conditions associated with chronic inflammation (eg. rheumatoid arthritis, systemic lupus erythematosus, autoimmune liver disease) or chronic infections (eg.hepatitis C, HIV).erum immunoglobulin tests may be used in the assessment of conditions associated with chronic inflammation (eg. rheumatoid arthritis, systemic lupus erythematosus, autoimmune liver disease) or chronic infections (eg. hepatitis C, HIV).
Nitrogen is classified as an element in the 'Non-Metals' section which can be located in groups 14,15 and 16 of the Periodic Table. Non-metallic elements exist, at room temperature, in two of the three states of matter: gases (Oxygen, Hydrogen & Nitrogen) and solids (Carbon, Phosphorus, Sulfur and Selenium).
Nitrogen is a tasteless, colorless, odorless gas and chemical element. Its chemical symbol is N and atomic number is 7. It is a nonflammable gas found in the earthâs atmosphere.It was discovered by the Scottish physician and chemist Daniel Rutherford in 1772.He discovered this gas by removing oxygen and carbon dioxide from the air.t is a nonflammable gas found in the earthâs atmosphere. It was discovered by the Scottish physician and chemist Daniel Rutherford in 1772. He discovered this gas by removing oxygen and carbon dioxide from the air.