1. Comparative study of methods for extraction and purification of environmental DNA from soil and sludge samples

   • Changhyun Roh
   • Francois Villatte
   • Rolf D. Schmid

   Original Research Articles Pages: 97 - 112

2. Element concentrations of dry-grind corn-processing streams

   • Ronald L. Belyea
   • Thomas E. Clevenger
   • Kent D. Rausch

   Original Research Articles Pages: 113 - 128

3. Production and properties of a biosurfactant applied to polycyclic aromatic hydrocarbon solubilization

   • B. Mahanty
   • K. Pakshirajan
   • V. V. Dasu

   Original Research Articles Pages: 129 - 141

4. Optimization of critical medium components for the maximal production of gentamicin by Micromonospora echinospora ATCC 15838 using response surface methodology

   • M. Himabindu
   • P. Ravichandra
   • Annapurna Jetty

   Original Research Articles Pages: 143 - 154

5. Growth of Escherichia coli under extremely low-frequency electromagnetic fields

   • Oselys Rodriguez Justo
   • Victor Haber Pérez
   • Ranulfo Monte Alegre

   Original Research Articles Pages: 155 - 163

6. Establishing mathematical and physical models for the adsorption of biomacromolecules

   • Songjun Li
   • Pingchu Chen
   • Guangfu Yang

   Original Research Articles Pages: 165 - 178

7. Physicochemical characteristics of commercial lactases relevant to their application in the alleviation of lactose intolerance

   • S. O’Connell
   • G. Walsh

   Original Research Articles Pages: 179 - 191