Core Viewpoint - The article discusses the challenges and advancements in the industrialization of natural macromolecular active substances, highlighting a novel bioreactor developed to enhance fermentation processes for these substances [1][2][4]. Group 1: Challenges in Industrialization - Natural macromolecular active substances, such as polyamino acids, functional proteins, and microbial polysaccharides, face extraction difficulties due to their high molecular weight and complex conformations [1]. - The fermentation process of these substances is characterized by high viscosity, high oxygen demand, and high energy consumption, which complicates production [2][4]. - The accumulation of products during fermentation leads to high-viscosity non-Newtonian fluid characteristics, creating barriers that inhibit oxygen and nutrient metabolism, thus limiting yield improvements [1]. Group 2: Innovations in Bioreactor Technology - A new microbubble bioreactor platform has been developed using laser sintering 3D printing technology and computational fluid dynamics principles, aimed at overcoming the challenges of high-viscosity fermentation processes [2][4]. - This bioreactor design allows for the transition from macro to micro bubbles (less than 100 μm), significantly increasing the contact surface area between microorganisms and oxygen, thereby enhancing oxygen transfer efficiency by 120%-135% [4]. - The energy efficiency of the fermentation process is improved by 1.6 to 2.9 times compared to traditional bioreactors [4]. Group 3: Performance Improvements in Fermentation - The new bioreactor technology has been validated in a 7 L fermentation tank for the production of γ-polyglutamic acid (γ-PGA), achieving over a 40% increase in yield [5]. - The technology has also demonstrated versatility, with fermentation yields for other macromolecules such as mussel adhesive protein, panibacterial polysaccharide, welan gum, β-glucan, and ε-polylysine increasing by 79%, 58%, 39%, 50%, and 43% respectively [5]. Group 4: Implications for the Industry - This innovative research provides a reference and technical support for the efficient biosynthesis and industrial application of macromolecular active substances, as well as insights for enhancing fermentation processes in other synthetic biology products [7]. - The advancements in biomanufacturing are expected to contribute to the ongoing development of the synthetic biology industry, particularly in the context of green manufacturing and sustainable practices [7].