Chemical, Thermal, and Catalytic Property Investigation of a Saccharide-Oxidizing Enzyme Sourced from Naturally Occurring Pseudomonas and Actinomyces Taxa

Abstract

The Saccharide-oxidizing enzymes derived from microbial systems are increasingly recognized as multifunctional biocatalysts with significant relevance in biochemical processing, microreactor engineering, and sensor-integrated catalytic systems. This study investigates the chemical stability, thermal response, and catalytic behavior of a glucose-metabolizing enzyme isolated from naturally occurring Pseudomonas and Actinomyces taxa under a unified reaction-transport and micro-scale process framework.

The research integrates principles from microreaction engineering, heat and mass transfer theory, and flow sensor dynamics to interpret enzymatic behavior under controlled physicochemical conditions (Incropera & DeWitt, 1996; Jensen, 2001). The enzyme system is conceptualized as a reactive micro-scale catalytic unit operating under coupled thermal and diffusion constraints, similar to engineered microreactors used in process intensification systems (Pennemann et al., 2004).

Thermal transport effects and reaction kinetics are evaluated conceptually using microfluidic residence-time frameworks and integrated sensor-based process monitoring models (Günther et al., 2004; Ferstl et al., 2004). These approaches allow interpretation of enzymatic efficiency as a function of localized heat transfer gradients, substrate diffusion rates, and reaction microenvironment stability.

Findings indicate that enzymatic catalytic efficiency is strongly influenced by thermal regulation and micro-scale flow conditions. The enzyme demonstrates optimal performance under moderate thermal gradients, where diffusion-reaction coupling is balanced. Deviations from this range result in reduced catalytic stability due to heat-induced conformational perturbations and altered mass transfer dynamics.

Comparative biochemical interpretation using microbial enzyme characterization studies confirms that glucose-oxidizing enzymes from Pseudomonas and Actinomyces exhibit thermodynamically sensitive catalytic profiles consistent with kinetic variability observed in natural microbial systems (Singh, Modi, & Tiwari, 2019).

Overall, this study provides an integrated chemical-thermal-reactive framework for understanding saccharide oxidation in microbial enzymes and highlights their potential applicability in engineered microreactor and biosensing.