Polymers can be classified in ways that reflect their chemical makeup, or perhaps more importantly, their properties and applications. Many of these factors are strongly interdependent, and most are discussed in much more detail in subsequent sections of this page.
Centella asiatica (Gotu Kola) is a well known herb traditionally used in the treatment of skin damage as well as for circulatory enhancement. This is a specialized extraction employed for the concentration of the active constituents for enhanced therapeutic benefits to the skin.
The Asian citrus psyllid, Diaphorina citri Kuwayama, is widely distributed in southern Asia. It is an important pest of citrus in several countries as it is a vector of a serious citrus disease called greening disease or Huanglongbing.ymphal stages of the Asian citrus psyllid, Diaphorina citri Kuwayama. Photograph by David Hall, USDA. Figure 4. The white waxy excretions of the nymphs are an indicator of the Asian citrus psyllid, Diaphorina citri Kuwayama.