Publications by authors named "H Jirangon"
Acetylcholinesterase (AChE) from the brain tissue of local freshwater fish, Tor tambroides was isolated through affinity purification. Acetylthiocholine iodide (ATCi) was preferable synthetic substrate to purified AChE with highest maximal velocity (V(max)) and lowest biomolecular constant (K(m)) at 113.60 Umg(-1) and 0.
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- Luminescence-based assays for detecting toxicants like Microtox and ToxAlert have limitations in tropical climates due to temperature issues.
- A new isolate from mackerel, identified as Photobacterium sp. strain MIE, shows high luminescence activity in a suitable temperature range of 24-30°C and specific nutrient conditions.
- The Xenoassay light system using this strain demonstrated the ability to monitor heavy metals in real-time, yielding results comparable to standard assays in under 30 minutes, making it effective for river monitoring in tropical areas.
Molybdenum is very toxic to agricultural animals. Mo-reducing bacterium can be used to immobilize soluble molybdenum to insoluble forms, reducing its toxicity in the process. In this work the isolation of a novel molybdate-reducing Gram positive bacterium tentatively identified as Bacillus sp.
View Article and Find Full Text PDFHexavalent molybdenum reduction to molybdenum blue by S. marcescens strain Dr. Y6.
Appl Biochem Biotechnol
April 2008
A molybdate-reducing bacterium has been locally isolated. The bacterium reduces molybdate or Mo(6+) to molybdenum blue (molybdate oxidation states of between 5+ and 6+). Different carbon sources such as acetate, formate, glycerol, citric acid, lactose, fructose, glucose, mannitol, tartarate, maltose, sucrose, and starch were used at an initial concentration of 0.
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