Hideki Aoyagi

Impact of Metal Ion Substitution on the Activity and Stability of Saccharifying Raw Starch Digesting Amylase from Aspergillus carbonarius

Tochukwu Nwamaka Nwagu, Hideki Aoyagi & Bartholomew Okolo · Journal of Advances in Biology & Biotechnology · 2020

Though raw starch digesting amylases can be utilized in numerous bioprocesses, poor activity and stability remain a limiting factor.  In this study, the effect of metal ion substitution on the activity and stability of the RSDA from Aspergillus carbonarius was investigated. The a...

Open access Research Article 10.9734/jabb/2019/v22i430127

Adsorption and Stabilization of a Raw Starch Digesting Amylase on Micro Bead Silica Gel 300 A

Tochukwu Nwamaka Nwagu, Hideki Aoyagi & Bartholomew N. Okolo · Biotechnology Journal International · 2012

Aims: To produce a robust starch hydrolyzing enzyme (improved catalytic and non-catalytic properties) by the adsorption of the soluble enzyme on micro bead silica gel. Place and Duration of Study: Department of Life Sciences and Bioengineering, Graduate School of Life and Environ...

Open access Research Article 10.9734/BBJ/2012/894

Use of Palm Oil Mill Effluent as Medium for Cultivation of Chlorella sorokiniana

Charles Ogugua Nwuche, Doris Chidimma Ekpo, Chijioke Nwoye Eze, Hideki Aoyagi & James Chukwuma Ogbonna · Biotechnology Journal International · 2014

Aims: Palm oil mill effluent (POME) erodes the principal biophysical characteristic of both soil and water when discharged untreated but could be exploited as medium for microalgae cultivation due to its vast mineral contents. Place and Duration of study: POME samples were collec...

Open access Research Article 10.9734/BBJ/2014/6921