Article
Biochemistry & Molecular Biology
Katarzyna Gajos, Panagiota Petrou, Andrzej Budkowski
Summary: This study investigates the impact of antibody orientation on biorecognition efficiency and bioassay performance on biosensors. The results show that antibody orientation is influenced by factors such as physical adsorption and chemical adsorption.
Article
Chemistry, Analytical
Yue Li, Xin-Xin Jiang, Hong-Mei Liu, Xiao-wei Li, Xiao-Jun Luo, Xun Liao, Yan Zhao
Summary: In this study, tyrosinase was immobilized on magnetic multi-walled carbon nanotubes for the first time, and this immobilized tyrosinase was used for ligand fishing of tyrosinase inhibitors from complex medicinal plants. The immobilized tyrosinase showed better thermal stability and reusability compared to the free one. 1,2,3,4,6-pentagalloylglucose from Radix Paeoniae Alba was identified as a tyrosinase inhibitor with similar potency to kojic acid.
JOURNAL OF SEPARATION SCIENCE
(2023)
Article
Chemistry, Multidisciplinary
Yu Gong, Shaofeng Huang, Zepeng Lei, Lacey Wayment, Hongxuan Chen, Wei Zhang
Summary: This study successfully synthesized two double-walled covalent organic frameworks, which exhibited excellent stability and high porosity, making them suitable for gas storage and separation.
CHEMISTRY-A EUROPEAN JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Satyadip Paul, Mani Gupta, Kaushik Dey, Ashok Kumar Mahato, Saikat Bag, Arun Torris, E. Bhoje Gowd, Hasnain Sajid, Matthew A. Addicoat, Supratim Datta, Rahul Banerjee
Summary: In this study, a hierarchical TpAzo COF-foam with micro-, meso-, and macroporosity was synthesized using an in situ CO2 gas effervescence technique. The resulting TpAzo foam matrix showed higher immobilization efficiency for enzymes compared to the COF. The enzyme-immobilized TpAzo foam exhibited activity and stability, and was successfully utilized for a one-pot tandem conversion reaction with high recyclability.
Article
Chemistry, Physical
Anku Kumari, Rijo Rajeev, Libina Benny, Y. N. Sudhakar, Anitha Varghese, Gurumurthy Hegde
Summary: Enzymes immobilized on carbon nanotubes have gained attention for their stability and reusability in catalyzing biochemical and chemical reactions. Various surface functionalization techniques on CNTs can tailor enzymes for different applications, leading to efficient nanobiocatalysts. The applications of carbon nanotube-based biocatalysts in fields such as water purification and biofuel cells have been comprehensively reviewed.
ADVANCES IN COLLOID AND INTERFACE SCIENCE
(2021)
Article
Chemistry, Physical
Sujin Kim, Dongryul Lee, Kyungmin Ahn, Jihyun Kim, Jungbae Kim
Summary: Remote SF6 plasma treatment is used to graft hydrophobic fluorine on the surface of CNTs, allowing for the adsorption of enzyme molecules. The loading of GOx on F-CNTs is correlated with plasma treatment time, with shorter treatment times leading to lower Rct values and increased sensitivity. Extending the treatment time results in increased resistance and sensitivity due to the dominance of covalently-attached fluorine.
APPLIED SURFACE SCIENCE
(2023)
Article
Chemistry, Physical
Shengshen Gu, Aleksei N. Marianov, Yijiao Jiang
Summary: This study investigates the electrocatalytic activity of amino-substituted Co porphyrin for CO2ERR, showing that the covalently grafted complex CoTAP-cov is one of the best catalysts to date. The presence of NH2 groups and covalent grafting are essential for maximizing the activity and efficiency of the catalyst.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2022)
Article
Chemistry, Multidisciplinary
Ashok Kumar Mahato, Sumit Pal, Kaushik Dey, Antara Reja, Satyadip Paul, Ankita Shelke, Thalasseril G. Ajithkumar, Dibyendu Das, Rahul Banerjee
Summary: In this study, peptide-based biomimetic catalysts were stabilized within porous COF scaffolds using a cladding technique. The peptide nanotubes exhibited enzyme-like behavior and efficiently catalyzed C-C bond cleavage in a buffer medium and organic solvents. The COF-clad catalysts showed operational stability and recoverability, making them promising materials for various biochemical transformations.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2023)
Article
Environmental Sciences
Guobin Song, Anqi Li, Yawei Shi, Wanran Li, Haonan Wang, Chunchao Wang, Ruijuan Li, Guanghui Ding
Summary: In this study, five magnetic multi-walled carbon nanotubes with different diameters were prepared and their performance in removing methylene blue from water was investigated. The surface of these nanotubes was decorated with Fe3O4 nanoparticles, making them superparamagnetic. The results showed promising potential for these nanotubes as adsorbents for dye removal in wastewater treatment.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Chemistry, Multidisciplinary
Chunyan Xing, Pei Mei, Zhenjie Mu, Bixiao Li, Xiao Feng, Yuanyuan Zhang, Bo Wang
Summary: In this study, covalent organic frameworks (COFs) were used as a platform for enzyme encapsulation. By optimizing the covalent interactions, the stability and activity of immobilized cytochrome c (Cyt c) were significantly enhanced. Covalent bonding induced conformational perturbation, making the active sites more accessible.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Engineering, Chemical
Zhe Dong, Jian Tan, Manuel Pinelo, Hao Zhang, Yinhua Wan, Jianquan Luo
Summary: This study developed a mussel-inspired coating for enzyme immobilization. Through the screening of different silane coupling agents and optimization of treatment methods, the coating showed improved enzyme loading, activity, and pH tolerance. The optimized coating exhibited excellent stability and reusability at different pH conditions.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2022)
Article
Chemistry, Multidisciplinary
Braden M. Weight, Andrew E. Sifain, Brendan J. Gifford, Han Htoon, Sergei Tretiak
Summary: This study investigates the nonradiative relaxation process in single-walled carbon nanotubes (SWCNTs) with covalent surface defects through computational modeling. The results show that the chirality and defect composition of SWCNTs have a significant impact on the population relaxation, and provide insights into the relaxation process between band-edge states and localized excitonic states.
Article
Biotechnology & Applied Microbiology
Chunzhi Li, Xuezhen Feng, Lixia Sun, Liqin Zhou, Jianhua Sun, Zefen Wang, Dankui Liao, Ping Lan, Xiongdiao Lan
Summary: This study investigated the immobilization of papain on Ti3C2 MXene nanosheets and its performance. The results showed that the immobilized papain exhibited improved stability and reusability, making it suitable for enzyme immobilization studies in other support systems.
ENZYME AND MICROBIAL TECHNOLOGY
(2021)
Article
Chemistry, Multidisciplinary
Braden M. Weight, Andrew E. Sifain, Brendan J. Gifford, Han Htoon, Sergei Tretiak
Summary: Recently, there has been exploration of SWCNTs with covalent surface defects for their potential use in single-photon telecommunication emission and spintronic applications. In this study, computational modeling of nonradiative relaxation in different SWCNT chiralities with single-defect functionalizations is presented. The simulations provide insights into the relaxation process between the band-edge states and the localized excitonic state, which compete with dynamic trapping/detrapping processes observed in experiments.
Article
Chemistry, Physical
Dilek Alagoz, Nazli Ece Varan, Deniz Yildirim, Roberto Fernandez-Lafuente
Summary: In this study, the xylanase from Thermomyces lanuginosus was immobilized using different protocols, and it was found that the immobilized enzyme showed improved thermal stability and higher yield in the production of xylooligosaccarides.
MOLECULAR CATALYSIS
(2022)