Article
Chemistry, Multidisciplinary
Bastian Haehnle, Philipp A. Schuster, Lisa Chen, Alexander J. C. Kuehne
Summary: A synthetic toolbox has been developed to create monodisperse core-shell and core-shell-shell particles composed entirely of different types of conjugated polymers. Seeded and fed-batch dispersion polymerizations based on Suzuki-Miyaura-type cross-coupling allow precise control over the interface between conjugated polymer phases, facilitating control over energy transfer phenomena. This new approach offers synthetic freedom for fine-tuning the optical properties of CPP, potentially enabling the synthesis of individual white light-emitting particles.
Article
Chemistry, Multidisciplinary
Shuquan Cui, Bo Zhang, Liyang Shen, Frank S. Bates, Timothy P. Lodge
Summary: Block polymer self-assembly with bottlebrush architecture allows the creation of materials with unique properties. By studying the phase behavior of bottlebrush block copolymers, it was found that the addition of bottlebrush side chains can lead to the formation of a substantial core-shell double gyroid phase window, with larger network dimensions than before.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2022)
Article
Polymer Science
Keumkyung Kuk, Lukas Gregel, Vahan Abgarjan, Caspar Croonenbrock, Sebastian Haensch, Matthias Karg
Summary: This paper reports on a one-pot synthesis protocol for micron-sized silica-poly(N-isopropylacrylamide) core-shell microgels and demonstrates excellent control over the shell-to-core ratio. The experimental results show that the synthesized microgels are monodisperse and suitable for optical investigations even at high packing fractions.
Article
Optics
Nicola Pellizzi, Alfredo Mazzulla, Pasquale Pagliusi, Gabriella Cipparrone
Summary: The development of efficient and cost-effective micromachines is a challenge for applied and fundamental science. The rotational dynamics of core-shell particles with specific architecture when irradiated by light has been studied, providing important insights for optimizing the design of light controlled micro-objects.
PHOTONICS RESEARCH
(2022)
Article
Materials Science, Multidisciplinary
Chan Zheng, Ziqiao Li, Tiantian Xu, Ling Chen, Fang Fang, Dai Wang, Pinqiang Dai, Qianting Wang, Xinyu Wu, Xiaohui Yan
Summary: Magnetic helical micro/nanoswimmers, inspired by E. coli bacterium, can perform controlled locomotion in various fluids and possess photothermal attributes and high surface areas. They are envisioned for applications in biomedical, environmental purification, etc.
APPLIED MATERIALS TODAY
(2021)
Review
Pharmacology & Pharmacy
Yoen-Ju Son, Danforth P. Miller, Jeffry G. Weers
Summary: This manuscript discusses strategies for achieving high total lung doses using spray-dried particles and a portable dry powder inhaler. It introduces the concept of product density and emphasizes maximizing packing density, drug loading, and aerosol performance. Spray drying at low rates with shell-forming excipients can lead to high-density particles, enabling ultrahigh TLD to be achieved.
Article
Materials Science, Multidisciplinary
Sai Gao, Guozheng Zhang, Yi Wang, Xiaopeng Han, Ying Huang, Panbo Liu
Summary: In this study, a series of MOFs derived magnetic porous carbon microspheres with tunable diameter and high specific surface area have been successfully synthesized via a pyrolysis process. These carbon microspheres exhibit high-performance microwave absorption with low filler loading, showing potential for practical applications.
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
(2021)
Review
Chemistry, Multidisciplinary
Ye Run-Ping, Wang Xinyao, Cameron-Alexander Hurd Price, Liu Xiaoyan, Yang Qihua, Mietek Jaroniec, Liu Jian
Summary: This work discusses the preparation and properties of special catalyst YCSNs in heterogeneous hydrogenation reactions, as well as the challenges in their application in gas and liquid-phase hydrogenation reactions, and explores the opportunities and prospects for future research.
Article
Chemistry, Multidisciplinary
Chaochao Dun, Sohee Jeong, Yi-Sheng Liu, Noemi Leick, Tracy M. Mattox, Jinghua Guo, Joo-Won Lee, Thomas Gennett, Vitalie Stavila, Jeffrey J. Urban
Summary: Designing interfaces with thermodynamic and kinetic specificity is crucial for hydrogen storage. The addition of a thin layer of MgCl2 on a porous Mg(BH4)(2)-based framework has been shown to significantly improve hydrogen desorption performance, reduce decomposition temperature and activation barrier, and prevent oxidation of the decomposed system.
Article
Chemistry, Physical
Kai Yu, Huagui Zhang, Zhentao Wang, Wei Zhang, Haojie Xu, Yanyan Chen, Hongshen Li, Bin Li, Junfeng Wang
Summary: This study investigated the relationship between the shell-to-core ratio (k) and modulating interactions of core-shell composite particles (CPs) at the air-aqueous interface. CPs were prepared by physically adsorbing poly(vinylpyrrolidone) (PVP) onto the surface of silica nanoparticles (NPs). The results showed that the k value increased with higher PVP adsorption density and molecular weight. Thicker PVP shells induced a stronger steric barrier, leading to more complex and non-hexagonal phases in the microstructure of the CPs-laden interface. The enhanced steric repulsion between the polymer shells played a significant role in building up surface pressure and facilitating CPs rearrangement under compression and shear.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Chemistry, Multidisciplinary
Lisa Geerts, Hannelore Geerts-Claes, Alexander Skorikov, Julie Vermeersch, Gina Vanbutsele, Vladimir Galvita, Denis Constales, C. Vinod Chandran, Sambhu Radhakrishnan, Jin Won Seo, Eric Breynaert, Sara Bals, Sreeprasanth Pulinthanathu Sree, Johan A. Martens
Summary: Gamma- and delta-alumina spherical core-shell particles were synthesized through a hydrothermal synthesis method, loaded with Pt nanoparticles for bifunctional catalysis. The homogeneous dispersion of platinum nanoparticles on the alumina surface was revealed using electron microscopy and spectroscopy. This unique catalyst model can be used in conjunction with zeolites for studying acid catalytic function without interference from the supported platinum metal.
Article
Engineering, Chemical
Chih-Chun Chang, Chih-Che Chueh
Summary: In this study, three-dimensional microstructures of sintered core-shell spheres with different shell thicknesses and degrees of densification were generated using a drop-and-roll algorithm and a newly developed core-shell generation method. The effective conductivity of each microstructure was obtained using open-source software and compared with existing models. The results showed underprediction at core-shell volume fractions ϕ = 0.6-0.75 and overprediction at ϕ>0.85. Additionally, unique conductive ring and straight line patterns were observed in the heat flux calculation, indicating the presence of inhomogeneity in core-shell structures.
Article
Materials Science, Coatings & Films
Paloma Trueba, Carlos Navarro, Jose A. Rodriguez-Ortiz, Ana M. Beltran, Francisco J. Garcia-Garcia, Yadir Torres
Summary: This study evaluated the mechanical behavior of superficially modified porous titanium dental implants fabricated by two different routes and discussed the influence of porosity and surface roughness on the stiffness and yield strength of implants. The results showed that macro-pores can localize stress and act as a barrier to micro-crack propagation, while higher rugosity was observed for implants obtained with spacer particles. Superficial modifications, such as using bioglass 1393 coating and chemical etching, were effective in improving the adhesion and roughness of implant surfaces.
SURFACE & COATINGS TECHNOLOGY
(2021)
Article
Chemistry, Physical
Tengjisi, Yue Hui, Guangze Yang, Changkui Fu, Yun Liu, Chun-Xia Zhao
Summary: Biomimetic core-shell nanoparticles - silica nanocapsules were recently developed using a designer dual-functional peptide SurSi under environmentally friendly conditions, allowing precise control of peptide-induced biosilicification for the formation of oil-core silica-shell nanocapsules with uniform size and monodispersity. The fundamental mechanism of silica formation through peptide catalyzed biosilicification was systematically investigated to optimize the formation of biomimetic silica nanocapsules, providing valuable insights for making core-shell nanoparticles via controlling nucleation and reaction at interfaces.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Review
Chemistry, Applied
Wei Wang, Lei He, Qunxing Luo, Linyang Wang, Jing Wang, Huiyong Chen, Zongcheng Miao, Qiuxiang Yao, Ming Sun
Summary: Research on the synthesis of zeolite molecular sieves focuses on manipulating their properties by adjusting particle size, composition, and morphology. The core and shell concept particles, which integrate multiple functions into a single shape, have been extensively studied. This article presents novel design strategies for zeolite-related core and shell concept particles and their application in conventional thermal catalysis.
MICROPOROUS AND MESOPOROUS MATERIALS
(2023)
Correction
Biochemical Research Methods
Yong Wang, Suhua Yu, Rui Li, Jing Wan, Yuheng Wang, Zongli Huo, Chunyong Wu, Li Mi, Songqin Liu
JOURNAL OF CHROMATOGRAPHY A
(2024)
Review
Biochemical Research Methods
Israel D. Souza, Maria Eugenia C. Queiroz
Summary: Organic-silica hybrid monolithic materials have gained significant attention in separation science and sample preparation due to their unique properties. This review summarizes the characteristics, current status, and recent developments of these materials, as well as discusses synthesis methods, characterization techniques, and strategies for improving extraction efficiency in various applications.
JOURNAL OF CHROMATOGRAPHY A
(2024)
Article
Biochemical Research Methods
Bhagwat Upreti, Bhanu Prasad Vempatapu, Jagdish Kumar, Pankaj K. Kanaujia
Summary: Lubricating oils are essential for the effective performance of internal combustion engines. This study presents a new HPLC method for determining additives in finished lubricating oils and polar substances in used engine oils.
JOURNAL OF CHROMATOGRAPHY A
(2024)
Article
Biochemical Research Methods
Zongqing Huang, Haoju Hua, Xiuzhen Du, Zipeng Zhen, Wei Zhao, Jun Feng, Ji-an Li
Summary: This study successfully isolated VHHs against the SUMO protein for the first time using biopanning of an immune camelid nanobody library. The VHHs were coupled to agarose resins to form affinity chromatography resins, allowing for one-step purification of various SUMO fusions.
JOURNAL OF CHROMATOGRAPHY A
(2024)
Article
Biochemical Research Methods
Xueting Qiu, Xuben Hou, Yue Yang, Hao Fang, Fei Cui, Xinying Yang
Summary: In this study, a new method based on electrophoretically mediated microanalysis was developed for the investigation of PTPRO enzymatic activity. The method was successfully used to determine the kinetics of PTPRO and the inhibitory concentration of PTPRO inhibitors. The method exhibited improved accuracy and reduced consumption compared to traditional methods.
JOURNAL OF CHROMATOGRAPHY A
(2024)
Article
Biochemical Research Methods
Feifei Luo, Mengmeng Hao, Lei Zhang, Yangguo Xie, Wei Hou, Hongya Wang, Zhongli Zhang
Summary: In this study, a comprehensive screening and structure elucidation of 23 nonvolatile organic compounds (NVOCs) in two antibody drugs was conducted. Seven previously unreported compounds were identified. A quantitative method with high sensitivity, accuracy, and precision was developed for evaluating the safety of NVOCs in drug products.
JOURNAL OF CHROMATOGRAPHY A
(2024)
Article
Biochemical Research Methods
Zuzana Vosahlova, Kveta Kalfkova, Martin Gilar, Jakub Szymarek, Maria Mazurkiewicz-Beldzinska, Sylwia Studzi
Summary: A hydrophilic interaction liquid chromatography method was developed for the separation and identification of oligonucleotide impurities and metabolites, and successfully applied to the analysis of serum samples from Spinraza-treated patients.
JOURNAL OF CHROMATOGRAPHY A
(2024)
Article
Biochemical Research Methods
Aswanidevi Kongasseri, Thirumalai Madhesan, Sangeetha Krishna Kumar, Sushmitha Pedugu Sivaraman, Suchashrita Mitra, Pitchaiah Kancharlapalli Chinaraga, C. V. S. Brahmmananda Rao, Sivaraman Nagarajan, Prabhakaran Deivasigamani, Akhila Maheswari Mohan
Summary: This study focuses on the sequential separation of trivalent lanthanides using modified C-18 silica-packed supports and reversed-phase HPLC technique. By tuning the column modifiers and separation parameters, the researchers achieved systematic separation of Ln(3+). The results showed that the choice of column modifiers and fine-tuning of the modification procedure were crucial for achieving excellent separation.
JOURNAL OF CHROMATOGRAPHY A
(2024)
Article
Biochemical Research Methods
Raquel Perez-Robles, Szabolcs Fekete, Robert Kormany, Natalia Navas, Davy Guillarme
Summary: There is a mismatch between the sample diluent and the mobile phase in HILIC analysis, leading to analyte breakthrough and peak distortion. Adding a weak solvent for pre-injection can effectively prevent these issues and improve sensitivity.
JOURNAL OF CHROMATOGRAPHY A
(2024)
Article
Biochemical Research Methods
Oleg Pokrovskiy, Irina Rostovschikova, Konstantin Ustinovich, Ilya Voronov, Dmitry Kosyakov
Summary: A chromatography-like propagation of water through the material bed was observed during supercritical fluid extraction of aroma plants with high moisture content, which could be significant for modeling the kinetics of supercritical fluid extraction of non-volatile compounds.
JOURNAL OF CHROMATOGRAPHY A
(2024)
Article
Biochemical Research Methods
Yasar Kemal Recepoglu, Ozguer Arar, Asli Yuksel
Summary: Biosorption using phosphorylated hazelnut shell waste (FHS) is a promising method for lithium removal and recovery. This study investigated the performance of a continuous-flow packed-bed column system using FHS for ultra-low level lithium removal. The results showed that the lihium biosorption capacity of the FHS column was unaffected by the bed height, but decreased with increasing flow rate.
JOURNAL OF CHROMATOGRAPHY A
(2024)
Article
Biochemical Research Methods
Jian Sun, Zheheng Zheng, Zixiao Jia, Jiabin Wang, Xucong Lin
Summary: In this study, an ionic covalent organic framework (iCOF) surface grafting monolithic sorbent was prepared for in-tube solid-phase microextraction (SPME) of aristolochic acids (AAs) in various samples. The density of quaternary ammonium ions in the iCOF was modulated for enhanced adsorption of AAs. The iCOF surface grafting monolithic sorbent was confirmed by different means. Several operating conditions were optimized to develop the online in-tube SPME-HPLC method, which showed good linearity, low limits of detection, and high recoveries for AAs in serum samples. This study presents a feasible approach for the application of COF-based monolithic sorbents in sample preparation.
JOURNAL OF CHROMATOGRAPHY A
(2024)
Article
Biochemical Research Methods
Zeng Wen, Ruihan Peng, Die Gao, Jing Lin, Jia Zeng, Zhou Li, Famin Ke, Zhining Xia, Dandan Wang
Summary: A chitosan-alginate sponge with multiple cross-linking networks was developed for adsorption and enrichment of anionic dyes from food samples. The sponge showed better three-dimensional network structure, mechanical behavior, and stability compared to pure chitosan and alginate sponges. The adsorption performance and selectivity of the sponge were systematically studied, and it maintained high adsorption capacity and selectivity for anionic dyes. The sponge also showed satisfactory reusability and was successfully combined with high-performance liquid chromatography for the enrichment and detection of anionic dyes in candy and cocktail samples.
JOURNAL OF CHROMATOGRAPHY A
(2024)
Article
Biochemical Research Methods
Hairong Zhang, Xiaojuan Jiang, Dandan Zhang, Yuexin Yang, Qiang Xie, Caisheng Wu
Summary: Analysis of in vivo exposure to traditional Chinese medicine using mass spectrometry is helpful for identifying effective ingredients and developing new drugs. This study focused on Forsythia suspensa (Lian Qiao) and used metabolomics technology to explore its in vivo exposure. By comparing the differences before and after administration, a complete set of nontargeted analysis strategies for TCM exposure was established. The study identified 393 Lian Qiao-related chemical components in mice after administration, including prototypes and metabolites. This study provides a reference for research on the active ingredients of Lian Qiao in vivo.
JOURNAL OF CHROMATOGRAPHY A
(2024)
Article
Biochemical Research Methods
Oscar Castejon-Musulen, Ricardo Lopez, Ignacio Ontan, Vicente Ferreira
Summary: A quantitative analytical method was developed and validated in this study to determine the concentrations of 81 aroma-relevant wine volatiles. The method utilizes stir bar sorptive extraction and multidimensional gas chromatography with flame ionization detector or mass spectrometer. The method demonstrated good linearity, reproducibility, and recovery, and was successfully applied to analyze 20 wine samples.
JOURNAL OF CHROMATOGRAPHY A
(2024)