Tag: Yun-Ya Yang

Contaminants in the Urban Environment: Bisphenol-A

General Structure of bisphenol-A.

Bisphenol-A (BPA) is a man-made chemical widely used as a component in many products of daily use in households, such as plastic bottles and metallic canned foods. BPA can leach from bottles and cans into  the environment, increasing our exposure to BPA. BPA… Read More

Contaminants in the Urban Environment: Microplastics

Plastic, plastic everywhere! We live in a world where we are surrounded by plastic: from packaging materials and cutlery to plastic appliances and medical devices. Since the mid-twentieth century, plastic has been a boon to humanity and an… Read More

Contaminants in the Urban Environment: Dioxins

Figure 1. General structure of dioxins and the most toxic dioxin (TCDD) Credit: Yun-Ya Yang, UF/IFAS

Dioxins are among the most toxic chemicals on the earth. They are by-products of a number of human activities such as combustion of fuels and wastes containing polyvinyl chloride (PVC), chlorine bleaching of paper products, and selected industrial… Read More