Self-optimization
of chemical reactions enables faster optimization
of reaction conditions or discovery of molecules with required target
properties. The technology of self-optimization has been expanded
to discovery of new process recipes for manufacture of complex functional
products. A new machine-learning algorithm, specifically designed
for multiobjective target optimization with an explicit aim to minimize
the number of “expensive” experiments, guides the discovery
process. This “black-box” approach assumes no a priori
knowledge of chemical system and hence particularly suited to rapid
development of processes to manufacture specialist low-volume, high-value
products. The approach was demonstrated in discovery of process recipes
for a semibatch emulsion copolymerization, targeting a specific particle
size and full conversion.
A novel approach to multi-target optimization of expensive-to-evaluate functions is explored that is based on a combined application of Gaussian processes, mutual information and a genetic algorithm. The aim of the approach is to find an approximation to the optimal solution (or the Pareto optimal solutions) within a small budget. The approach is shown to compare favourably with a surrogate based online evolutionary algorithm on two synthetic problems.
In this work new methods of processing bio-feedstocks in the formulated consumer products industry are discussed. Our current approach to formulated products design is based on heuristic knowledge of formulators that allows selecting individual compounds from a library of available materials with known properties. We speculate that most of the compounds (or functions) that make up the product to be designed can potentially be obtained from a few bio-sources. In this case, it may be possible to design a sequence of transformations required to convert feedstocks into products with desired properties, analogous to a metabolic pathway of a complex organism. We conceptualize some novel approaches to processing bio-feedstocks with the aim of bypassing the step of a fixed library of ingredients. Two approaches are brought forward: one making use of knowledge-based expert systems and the other making use of applications of metabolic engineering and dynamic combinatorial chemistry.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.