Morphological control of cellulose nanocrystals via sulfuric acid hydrolysis based on sustainability considerations: An overview of the governing factors and potential …

SL Leong, SIX Tiong, SP Siva, F Ahamed… - Journal of …, 2022 - Elsevier
Structural morphology of cellulose nanocrystal (CNC) is a major determinant of its
properties. However, the lack of comprehensive understanding on the morphological control …

Population balance models for polymer upcycling: signatures of the mechanism in the molecular weight evolution

R Yappert, B Peters - Journal of Materials Chemistry A, 2022 - pubs.rsc.org
Chemical and catalytic upcycling processes could help realize a circular plastics economy,
but current models for testing mechanistic hypotheses and designing catalysts remain …

Monitoring and control of bioethanol production from lignocellulosic biomass

J Gomes, J Batra, VR Chopda, P Kathiresan… - Waste biorefinery, 2018 - Elsevier
With the ever-increasing needs of a growing human population, search for alternative
renewable fuels has become imperative. Generation of biofuels derived from agricultural …

Towards improved predictions for the enzymatic chain-end scission of natural polymers by population balances: The need for a non-classical rate kernel

YK Ho, C Kirse, H Briesen, M Singh, CH Chan… - Chemical Engineering …, 2018 - Elsevier
Enzymatic chain-end depolymerization is commonly employed for the transformation of
biomass into important products. To date, investigation on the validity of the rate kernel …

Effect of oxygen transfer on yeast growth—Growth kinetic and reactor model to estimate scale-up effects in bioreactors

P Tervasmäki, M Latva-Kokko, S Taskila… - Food and Bioproducts …, 2018 - Elsevier
Large scale fermentations face challenges in mixing and mass transfer as well as in the
design and construction of the equipment. Scale-up from laboratory and pilot scale …

Modelling heterogeneity in cellulose properties predicts the slowdown phenomenon during enzymatic hydrolysis

F Ahamed, HS Song, CW Ooi, YK Ho - Chemical Engineering Science, 2019 - Elsevier
Fine control of the enzymatic hydrolysis of cellulose is challenging due to complex process
dynamics. Rate of conversion of cellulose to valuable monomeric products is often …

Modelling simultaneous chain‐end and random scissions using the fixed pivot technique

YK Ho, P Doshi, HK Yeoh - The Canadian Journal of Chemical …, 2018 - Wiley Online Library
In this study, for the first time we demonstrated that both random and chain‐end scissions of
polymers can be simulated on a unified Fixed Pivot (FP) framework through an elegant …

Modeling the adsorption of polydispersed cellulose nanocrystals on emulsion oil droplets during their simultaneous breakage and coalescence

S P. Siva, YK Ho - Industrial & Engineering Chemistry Research, 2022 - ACS Publications
Despite efforts to optimize the Pickering emulsification process via various experimental and
computational approaches, none delved into the dynamic inter-relationship between the …

Modeling coordinated enzymatic control of saccharification and fermentation by Clostridium thermocellum during consolidated bioprocessing of cellulose

F Ahamed, HS Song, YK Ho - Biotechnology and …, 2021 - Wiley Online Library
Consolidated bioprocessing (CBP) of cellulose is a cost‐effective route to produce valuable
biochemicals by integrating saccharification, fermentation and cellulase synthesis in a single …

Why are two enzymes better than one for the efficient simultaneous saccharification and fermentation (SSF) of natural polymers? Hints from inside and outside a yeast

YK Ho, P Doshi, HK Yeoh, GC Ngoh - Industrial & Engineering …, 2015 - ACS Publications
In the Simultaneous Saccharification and Fermentation (SSF) of natural polymers, in
addition to regulating the intracellular enzymes for metabolizing the nutrients, the excretion …