A method for simultaneous separation and determination of two coumarins,dicumarol and cyclocoumarol,in cosmetics by HPLC-diode-array detector(DAD) was developed.
A simultaneous determination of uric acid, creatinine and pseudouridine in human urine by high performance capillary zone electrophoresis(HPCZE)is described.
A method for the simultaneous determination of captan and folpet pesticide residues in apples was developed by solid-phase extraction and high performance liquid chromatography.
Ubisch bodies and lipid bodies are found in the glandular tapetums. In meiosis of microsporocyte, cytokinesisis is a simultaneous type, which produces an isobilateral tetrad.