Publications
1. Kayastha, A.M., Sawa, Y., Nagata, S. and Miles, E.W.: Site-directed mutagenesis of the subunit of the tryptophan synthase from Salmonella typhimurium. Active site role of glutamic acid 350. Journal of Biological Chemistry 266 (1991) 7618-7625.
2. Brozović, P.S., Kayastha, A.M., Miles, E.W. and Dunn, M.F.: Substitution of glutamic acid 109 by aspartic acid alters the substrate specificity and catalytic activity of the -subunit in the tryptophan synthase bienzyme complex from Salmonella typhimurium. Biochemistry (USA) 31 (1992) 1180-1190.
3. Das, N., Prabhakar, P., Kayastha, A.M.* and Srivastava, R.C.: Enzyme entrapped inside the reverse micelle in the fabrication of a new urea sensor. Biotechnology and Bioengineering 54 (1997) 329-332.
4. Basu, I., Subramanian R.V., Mathew, A., Kayastha, A.M., Chadha, A. and Bhattacharya, E. (2005). Solid state potentiometric sensor for the estimation of tributyrin and urea. Sensors and Actuators B. Chemical 107, 418-423.
5. Reddy. K.R.C., Turcu, F., Schulte, A., Kayastha, A.M. and Schuhmann, W. Fabrication of a potentiometric/amperometric bifunctional enzyme microbiosensor. Analytical Chemistry (ACS) 77 (2005) 5063-5067.
6. Reddy. K.R.C. and Kayastha, A.M.* (2006). Improved stability of urease upon coupling to alkylamine and arylamine glass. Journal of Molecular Catalysis B: Enzymatic 38, 104-112.
7. Dwevedi, A. and Kayastha, A.M.* (2009). Stabilization of β-galactosidase by immobilization onto Amberlite MB-150 beads and is application in lactose hydrolysis. Journal of Agricultural and Food Chemistry 57, 682-688.
8. Dwevedi, A., Kumar, A., Singh, D.P., Srivastava, O.N. and Kayastha, A.M.* (2009). Lactose nano-probe optimized using response surface methodology. Biosensors & Bioelectronics 25, 784-790.
9. Dwevedi, A. and Kayastha, A.M.* (2009). Optimal immobilization of β-galactosidase from pea onto Sephadex and chitosan beads using response surface methodology and their application. Bioresource Technology 100, 2667-2675.
10. Dwevedi, A., Routh, S.B., Yadav, A.S., Singh, A.K., Srivastava, O.N. and Kayastha, A.M.* (2011): Response surface analysis of nano-ureases from Canavalia ensiformis and Cajanus cajan: A Comparative study. International Journal of Biological Macromolecules (In Press) 