Organisms that can capture energy from sunlight or chemicals and use that energy to produce food are called autotrophs, or primary producers. The process in which autotrophs capture light energy and use it to convert carbon dioxide and water into oxygen and sugars is called photosynthesis.rganisms that can capture energy from sunlight or chemicals and use that energy to produce food are called autotrophs, or primary producers. The process in which autotrophs capture light energy and use it to convert carbon dioxide and water into oxygen and sugars is called photosynthesis.
What to Expect With Rituxan. How Rituxan is given. RituxanÂ® (rituximab) is given as an intravenous (IV) infusion once weekly for 4 weeks. An IV infusion is given to you through a needle that's placed in a vein. Infusion reactions with Rituxan may include fever, chills and shakes, itching, and coughing.
How Much Does a Rituxan Infusion Cost? Rituxan is a prescription drug used to treat a variety of medical conditions. It is usually administered in as an infusion through an IV and is considered as the first line of treatment for quite a number of medical conditions. When used with methotrexate, which is another prescription drug, Rituxan has the capacity to alleviate symptoms associated with rheumatoid arthritis.