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.
Rituxan can cause serious side effects that can lead to death, including: Infusion Reactions: Infusion reactions are the most common side effect of Rituxan treatment. Serious infusion reactions can happen during your infusion or within 24 hours after your infusion of Rituxan.