Preparation of 5-hydroxymethylfurfural from cellulose catalyzed by silicon-based composite solid acids [0.03%]
硅基复合固酸催化纤维素制备5-羟甲基糠醛
Zhen Liu,Run-Jian Jia,Jing-Jing Liu
Zhen Liu
In order to improve the efficiency of solid acid catalyzed cellulose preparation of 5-hydroxymethylfurfural (HMF), this study prepared a silica-based solid acid with dual acid sites comprising both Lewis and Brønsted acids. Firstly, SiO2 m...
Hatice Karaer Yağmur,Kübra Baykara,Seyithan Sönmez
Hatice Karaer Yağmur
In this study, active carbons were obtained by carbonizing waste laurel fruit seeds at 500 °C for 1 hour. The surface area of the activated carbon obtained using the ZnCl2 activator was determined as 873.93 m2/g while the surface area of t...
Efficient whole-cell biosynthesis of S-adenosyl-L-methionine by the engineered Escherichia coli with high ATP regenerating system [0.03%]
高效ATP再生系统的工程菌细胞工厂合成S-腺苷甲硫氨酸
Zhang Pengfei,Siqi Zuo,Peijie Shen et al.
Zhang Pengfei et al.
S-adenosyl-L-methionine (SAM) is an important intermediate metabolite and widely used in the treatment of liver disease, arthritis, and depression. In this work, a whole-cell catalysis strategy was employed to enhance SAM production by comb...
Biotechnological advances in torularhodin production: artificial neural networks as a tool for improving and biocompatibility studies [0.03%]
红球菌色素生产的技术改进及人工神经网络对其改善和生物相容性研究的工具作用分析
Júlio Gabriel Oliveira de Lima,Ariane Alves Oshiro,Felipe Falcão Haddad et al.
Júlio Gabriel Oliveira de Lima et al.
Torularhodin is a bioactive carotenoid synthesized by certain microorganisms through complex cellular processes regulated by factors like nutrient availability. However, enhancing torularhodin production is a challenging task that requires ...
Development of an efficient extraction and enrichment method for total flavonoids compounds from Erigeron breviscapus using ultrasound-assisted extraction and macroporous resin adsorption [0.03%]
基于超声波辅助提取与大孔树脂吸附的藏枝丹参素高效提取纯化工艺开发研究
Yang Li,Wei Zhao,Qifeng Li et al.
Yang Li et al.
Erigeron breviscapus, a medicinal plant rich in flavonoids with diverse pharmacological properties is an important resource. To maximize the utilization of these valuable bioactive compounds, ultrasound-assisted extraction combined with res...
Optimization of sustainable bioprocessing for the production of high-value biomolecules (chlorophylls and proteins) using Desmodesmus subspicatus [0.03%]
采用微藻 Desmodesmus subspicatus 可持续生物加工法生产高价值生物分子(叶绿素和蛋白质)的优化
Sreya Sarkar,Sambit Sarkar,Sunil K Maity et al.
Sreya Sarkar et al.
Traditional protein and pigment (e.g., chlorophyll) sources are becoming insufficient due to the rapid rise of the global population in modern civilization. Microalgae offer a promising solution for protein and chlorophyll sources due to th...
Weissella confusa XG-3 EPS: production intensification by co-culturing with Candida shehatae and partial characterization [0.03%]
威氏菌XG-3 EPS的生产及其与酿酒酵母共培养的部分性质研究
Shuhan Yang,Shouqi Zhao,Yingying Ning et al.
Shuhan Yang et al.
Previous studies have shown that co-culture methods can enhance exopolysaccharide production, no studies have reported this enhancement in co-cultures between Weissella confusa and Candida shehatae. This study developed an efficient co-cult...
Immobilization of penicillinase on chitosan-modified gold electrodes for enhanced stability and potential biosensing applications [0.03%]
壳聚糖改性金电极固定青霉素酶的稳定性和潜在生物传感应用研究
Parneet Sheoran,Geetanjali Saini,Madhu Jangra et al.
Parneet Sheoran et al.
In this research, penicillinase was isolated from Bacillus licheniformis by ammonium sulfate precipitation, dialysis, sephadex-25 chromatography and sodium dodecyl sulfate (SDS)-PAGE. The enzyme was then attached to a chitosan- modified gol...
Immobilization, optimization, characterization and kinetic properties of polyphenol oxidase to multi-walled carbon nanotube [0.03%]
固定化、优化、表征及多壁碳纳米管聚酚氧化酶动力学性质测定
Şeyma Çam,Mehmet Doğan,Pınar Turan Beyli et al.
Şeyma Çam et al.
In this study, the kinetic properties of polyphenol oxidase (PPO) extracted from Satureja cuneifolia were investigated using catechol and 4-methylcatechol as substrates. Optimal pH and temperature values were determined at each purification...
Hydrolysates exhibited differential modulatory effects on macrophage compared to the raw polysaccharide (xyloglucomannan) isolated from Atractylodes macrocephala Koidz [0.03%]
提取物对巨噬细胞的作用与从Atractylodes macrocephala Koidz中分离出的原多糖(木葡甘聚糖)相比具有不同的调节效果
Huanzhi Ren,Longchao Dai,Chang Ma et al.
Huanzhi Ren et al.
It has been claimed that Atractylodes macrocephala applied as a traditional Chinese medicinal herb for centuries, owing to its excellent immunomodulatory and hepatic protective properties. This study aims to explore the immunomodulation of ...