The polarizer having high polarizing activities and durability to heat and moisture was prepared by dipping the newly synthesized azoxy dye into oriented and stretched polyvinyl alcohol film.

Study on degradation process of azo dye by iron internal electrolysis deoxidization and microwave induced oxidation;

Decoloration of azo dye wastewater by an anaerobic membrane bioreactor using gene engineering strain Escherichia coli JM109 (pGEX-AZR);

Biological decolourzation quinone compound enhancing azo dyes;

Enhanced biological decolourization of azo dyes by the catalysis of reduced acid azo dyes;

Quantitative relationships between photocatalytic degradation and structure of azo dyes;

Quantitative relationship between oxidative decoloration property and molecular structure of azo dyes;

A Study of Degradation of Azo-dye in System of Alga and Bacteria;

To accomplish the optical storage in short wavelength band and improve the thermal stability of storage media, a new synthetic method for nanocomposite materials which are codoped by metallic nanoparticles azo-dye compound (MNPADC) with structure for coating is presented for the first time.

Photocatalytic degradation of 16 azo-dyes in TiO2 suspension and irradiated by a high pressure mercury lamp has been studied.

Study on aerobic biodegradability of acid azo dyestuffs;

The structure and properties of azo dyestuffs such as Sudan I, Sudan II, Sudan III and Sudan IV are introduced in brief.

The background of that some azo dyestuffs which are harmful to human body was prohibited from using by European Union is briefly introduced.

The development of a GC/MS quantitive analysis method has been described for the determination of hazardous arylamines on the textiles dyed with the azo-dyes.

Two new azo-dyes with high dichroic ratio,which are used in liquid crystal display,are synthesized through diazotizing reaction and coupling reaction.