Article
Engineering, Environmental
Wei Wang, Xiao Yu, Haichuan He, Yan Wang, Yanan Li, Liu Deng, You-Nian Liu
Summary: A PBA-based catalytic electrode (NiFe/Ni) is obtained by depositing Ni-2[Fe(CN)(6)] on Ni foam. Ni-2[Fe(CN)(6)] converts to high-valence NiOOH during the electrochemical process in alkaline medium. The obtained v-NiOOH endows the catalytic electrode with superior performance for the electro-oxidation of furfural compounds to furoic acids. The integrated electrolyzer can reduce the cell voltage by 480 mV at 100 mA cm(-2).
CHEMICAL ENGINEERING JOURNAL
(2023)
Review
Materials Science, Multidisciplinary
Yulong Huang, Shenqiang Ren
Summary: Prussian blue analogues, as multifunctional molecular magnets with a wide range of derivatives and capabilities to interact with water molecules and gas adsorption, play an important role in controlling hidden states and cooperative phenomena of high temperature molecular magnets under external stimuli.
APPLIED MATERIALS TODAY
(2021)
Article
Chemistry, Multidisciplinary
Lin Li, Zhe Hu, Yong Lu, Chenchen Wang, Qiu Zhang, Shuo Zhao, Jian Peng, Kai Zhang, Shu-Lei Chou, Jun Chen
Summary: This study introduces a low-strain potassium-rich cathode material KNiHCF for potassium ion batteries, which exhibits superior discharge capacity and cycling stability due to its low-strain de-/intercalation mechanism, intrinsic semiconductor property, and low potassium diffusion energy barrier.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Physical
Yanqi Luo, Shuchen Zhang, Jia-Shiang Chen, Xuedan Ma, Ke Ma, Junjing Deng, Yi Jiang, Luxi Li, Barry Lai, Si Chen, Sarah Wieghold, Letian Dou
Summary: In this study, the degradation pathways of two-dimensional perovskite semiconductor materials under UV exposure were investigated using nano-XRF. The results showed that the loss of iodine was monotonically decreasing with increasing perovskite dimensionality, while bromine was relatively more stable, but diffused to the previously iodine-rich regime. Combining nano-XRF and XAS, it was found that crystals with dimensionality greater than 1 underwent structural reconfiguration after UV exposure.
Article
Chemistry, Multidisciplinary
Hang Li, Xinyu Ding, Jiangwei Shi, Mengfei Su, Ye Hu, Chunyan Zhang, Feng Gao, Qingyi Lu
Summary: Defect engineering has played a significant role in promoting the application of various technologies. However, selectively manufacturing defect sites in existing material systems remains challenging. This study demonstrates in situ site-directed tailoring of metal sites in Prussian blue analogs (PBA) by utilizing the reducibility differences of different metal atoms, resulting in naturally nonpreferred unsaturated coordination centers. The in situ capture of small reducing molecules also allows for site-directed tailoring of crystal facets during growth, leading to oriented 1D growth. The resulting PBA with nonpreferred unsaturated coordination centers exhibit excellent catalytic properties for the oxygen evolution reaction, making it suitable for various applications.
Review
Chemistry, Multidisciplinary
Yang Shan, Guangxun Zhang, Wei Yin, Huan Pang, Qiang Xu
Summary: This review summarizes the current progress of metallic nanomaterials derived from PB/PBA, highlighting their advantages and limitations in catalysis, as well as their applications as electrode materials for energy storage and conversion.
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN
(2022)
Article
Materials Science, Multidisciplinary
Weibin Zhang, Touwen Fan, Zhen Yang, Ruipeng Yu, Xinjuan Zeng, Yonghang Xu, Min Zhang, Huawen Hu, Jian Zhen Ou, Lirong Zheng
Summary: This study investigates the impact of crystal phase on the CO2-epoxide copolymerization of zinc-cobalt-based Prussian blue analogues (PBAs), and reveals that the rhombohedral phase exhibits the highest activity and selectivity. This is attributed to the abundant exposed Zn-O active centers enabled by the replacement of molecules and the coordination adjustment.
APPLIED MATERIALS TODAY
(2022)
Article
Materials Science, Multidisciplinary
G. Azzolina, R. Bertoni, C. Mariette, M. Cammarata, E. Trzop, C. Ecolivet, M. Sander, M. Levantino, H. Tokoro, K. Imoto, M. Yoshikiyo, S. Ohkoshi, E. Collet
Summary: The studied photoactive MnFe Prussian blue analogue exhibits long-range lattice dynamics induced by the structural trapping of photo-induced charge-transfer states. The observed decoupling of both types of lattice deformations in the time domain is a key finding.
JOURNAL OF MATERIALS CHEMISTRY C
(2021)
Article
Chemistry, Multidisciplinary
Alena I. Komayko, Sergey V. Ryazantsev, Ivan A. Trussov, Natalya A. Arkharova, Denis E. Presnov, Eduard E. Levin, Victoria A. Nikitina
Summary: This study demonstrates that the insertion of magnesium ions into PBA materials is a misconception, and provides conclusive evidence for the infeasibility of this process in both cation-rich and cation-poor nickel, iron, and copper hexacyanoferrates. The charge compensation for PBA redox is attributed to protons rather than divalent ions in aqueous magnesium ion solution.
Article
Materials Science, Multidisciplinary
Wenting Zheng, Hui Guo, Changqing Zhu, Cailiang Yue, Wenlei Zhu, Fuqiang Liu, Zhaoxu Chen
Summary: Through structural design and DFT calculations, Ce is predicted to enable the construction of CUCs in PBA, which can strongly adsorb H2O2 and produce (OH)-O• for O-O bond splitting. By preparing a binary Ce-Fe PBA, sulfamethoxazole degradation is significantly enhanced with high efficiency and stability. This work guides the whole process for highly active CUCs, enabling ultrafast and stable photo-Fenton catalysis.
ENERGY & ENVIRONMENTAL MATERIALS
(2023)
Article
Chemistry, Physical
Xiaohui Liang, Gehuan Wang, Weihua Gu, Guangbin Ji
Summary: Different carbon-based composites derived from metal organic frameworks (MOFs) have shown significant tuning effects on microwave absorption through various annealing atmospheres, demonstrating excellent performance under different thicknesses. These composites have promising applications due to their strong microwave attenuation capability and broad effective absorption bandwidth.
Article
Nanoscience & Nanotechnology
Yuta Shudo, Setsuko Numano, Tohru Kawamoto, Akira Takahashi
Summary: Conventional methanol recovery and purification processes are energy-intensive. A new selective adsorbent, manganese hexacyanocobaltate (MnHCC), has been developed to efficiently remove and reuse methanol from waste gas. MnHCC exhibits a higher methanol adsorption capacity and lower energy requirement compared to activated carbon. It allows for the recovery of pure methanol at reduced energy consumption. MnHCC is reusable and stable, making it a promising solution for methanol recycling and low-cost purification.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Physical
Bingxing Xie, Liguang Wang, Haifeng Li, Hua Huo, Can Cui, Baoyu Sun, Yulin Ma, Jiajun Wang, Geping Yin, Pengjian Zuo
Summary: A semi-solid state (SSS) electrolyte with high ionic conductivity is designed to address interfacial side reactions and Na dendrite growth in Prussian blue-based sodium-ion batteries, leading to improved cyclability and rate capability. Interface reinforcement between the cathode and electrolyte plays a key role in achieving the enhanced performance.
ENERGY STORAGE MATERIALS
(2021)
Article
Chemistry, Physical
Zhengxin Zhu, Yahan Meng, Yichen Yin, Zaichun Liu, Taoli Jiang, Qia Peng, Teng Yin, Mengyao Li, Wei Chen
Summary: The new Prussian blue analogues-hydrogen gas hybrid battery systems show excellent performance with different cations operating the cathodes and hydrogen gas operating the anode, demonstrating promising competitive candidates for large-scale energy storage applications.
ENERGY STORAGE MATERIALS
(2021)
Article
Chemistry, Analytical
Heba M. El-Sayed, Hisham Ezzat Abdellatef, Amr M. Mahmoud, Hassan A. M. Hendawy, Omar M. El-Abassy, Hany Ibrahim
Summary: One promising avenue in eco-friendly analytical techniques is the development of ion-selective electrodes (ISEs) that are easy to use, sensitive, long lasting, and stable. In this study, a solid-state microfabricated copper electrode was created using low-cost copper printed circuit boards, and a Prussian blue analogue (PBA) thin coating was applied for the detection of safinamide mesylate. The proposed sensor effectively quantified SAF, and its greenness was evaluated using green-metrics and the RGB12 model.
MICROCHEMICAL JOURNAL
(2023)
Article
Chemistry, Physical
Lorris Saoudi, Hugues A. Girard, Eric Larquet, Michel Mermoux, Jocelyne Leroy, Jean-Charles Arnault
Summary: In this study, milled nanodiamonds synthesized from HPHT diamond (MND) were successfully hydrogenated and stabilized in a colloidal suspension in water for several months. The optimal hydrogenation conditions minimized carbon/oxygen bonds and sp2/amorphous carbon on the MND surface. Clean crystalline particles were observed by HR-TEM, and the colloidal stability was discussed in terms of sp2 carbon and the role of facets. Surface conductivity was identified using FTIR, and Cryo-EM revealed a unique arrangement in the colloidal suspension of H-MND with chain-like structures extending over micron range.
Article
Chemistry, Multidisciplinary
Ilia Kochetygov, Jocelyn Roth, Jordi Espin, Sophia Pache, Anita Justin, Till Schertenleib, Nazanin Taheri, Dmitry Chernyshov, Wendy L. Queen
Summary: In this work, a new strategy for ligand design is proposed, using piperazine and dihydrophenazine units as substitutes for benzene rings, via simple nucleophilic aromatic substitution reactions without using transition metal catalysts. 21 carboxylate-based ligands with varying sizes, shapes, and denticity and 15 linear di- and tetra-nitriles were successfully synthesized. Moreover, 16 structurally diverse MOFs with surface areas up to 3100 m(2) g(-1) were synthesized using these ligands as building blocks.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Multidisciplinary
Li Sun, Nour El Islam Belmouri, Mamadou Ndiaye, Koen Robeyns, Aurelian Rotaru, Kamel Boukheddaden, Yann Garcia
Summary: In this study, two types of 3D porous coordination polymers were synthesized and characterized. These polymers exhibited different magnetic and optical properties during the cooling process. In addition, the cavities in these porous polymers could accommodate chloroform or dichloromethane molecules, further altering the material's properties. These materials have the potential to be used as reusable storage for chemical and gas sensors.
CRYSTAL GROWTH & DESIGN
(2023)
Article
Electrochemistry
Ana Marija Damjanovic, Anna Theresa Sophie Freiberg, Armin Siebel, Burak Koyutuerk, Davide Menga, Kevin Krempl, Pankaj Madkikar, Olivier Proux, Hubert Andreas Gasteiger, Michele Piana
Summary: Ex situ and operando X-ray absorption spectroscopy (XAS) were used to investigate the structure and degradation mechanism of Fe-based catalysts for the oxygen reduction reaction (ORR) in proton exchange membrane fuel cells (PEMFCs). The results showed that Fe3+ was incorporated in the ZrO2 structure and significant presence of Fe-N-C-type structures was excluded in the Fe0.07Zr0.93O2-delta/C catalyst. The aging process led to the formation of oxidic Fe clusters and Fe demetalation from the ZrO2 structure. The faster aging of Fe0.07Zr0.93O2-delta compared to Fe-N-C was attributed to improved mass transport to/from active sites.
Article
Chemistry, Multidisciplinary
Andrzej Grzechnik, Vaclav Petricek, Dmitry Chernyshov, Charles McMonagle, Tobias Geise, Hend Shahed, Karen Friese
Summary: The structures and phase transitions in Rb2V3O8 and K2V3O8 mixed-valence vanadate fresnoites were studied using synchrotron single-crystal diffraction. The modulated structure of K2V3O8 was better described in (3 + 2)-dimensional space below 115 K. The modulation mainly involves rotations of VO4 and VO5 building units and slight variation of K-O distances. The high-brilliance synchrotron beam suppresses the incommensurate phase and the postulated phase transition in Rb2V3O8 was not observed.
ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE CRYSTAL ENGINEERING AND MATERIALS
(2023)
Article
Crystallography
Rachid Traiche, Hassane Oubouchou, Kamel Boukheddaden
Summary: In this study, the thermal behaviors of a system of two elastically coupled 1D mononuclear chains were investigated using the electro-elastic model. The introduction of elastic frustration in the nearest neighbors bond length distances of each chain had a significant impact on the spin transition properties of the system. Multi-step spin transitions and antiferro-elastic coupling between the chains were observed, implying the possible existence of periodic structures in 2D lattices.
Article
Biochemistry & Molecular Biology
Benoit Toubhans, Nour Alkafri, Marcos Quintela, David W. James, Caroline Bissardon, Salvatore Gazze, Franziska Knodel, Olivier Proux, Alexandra T. Gourlan, Philipp Rathert, Sylvain Bohic, Deyarina Gonzalez, Lewis W. Francis, Laurent Charlet, R. Steven Conlan
Summary: At physiological levels, selenium is involved in redox reactions and has potential anti-cancer effects. Selenium nanoparticles, coated with serum albumin or chitosan, enhance biocompatibility and bioavailability. In this study, selenium nanoparticles were found to regulate histone methylation in ovarian cancer cell models, leading to increased histone methylation at specific sites. This novel role of selenium in histone methylation is mediated by a decrease in S-adenosylhomocysteine, an endogenous inhibitor of lysine methyltransferases. These findings broaden our understanding of the action of selenium nanoparticles in cancer therapy and other applications.
Article
Chemistry, Physical
Huanyu Zhang, Giulia Paggiaro, Faruk Okur, Janis Huwiler, Claudia Cancellieri, Lars P. H. Jeurgens, Dmitry Chernyshov, Wouter van Beek, Maksym V. Kovalenko, Kostiantyn V. Kravchyk
Summary: The deployment of LLZO garnets as solid-state electrolytes for Li-metal solid-state batteries is hindered by the reactivity with water and carbon dioxide, leading to the formation of a contamination layer on the LLZO surface. High temperature annealing is studied as a thermal cleaning method, which effectively reduces the contamination but also results in the formation of a different phase on the LLZO surface. The impact of these factors on the performance of Li/LLZO/Li symmetrical cells was evaluated.
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Chemistry, Inorganic & Nuclear
Catherine Cazelles, Mamadou Ndiaye, Pierre Dahoo, Jorge Linares, Kamel Boukheddaden
Summary: We used Monte Carlo entropic sampling (MCES) method to simulate the thermal effects in different 2D spin-crossover (SCO) square lattices within the framework of the Ising-like model, in order to enhance the scan of macrostates beyond the most probable thermal ones. MCES allows access to metastable states and is suitable for studying thermal hysteresis properties. By considering the interaction between molecules in bulk and surface regions of an SCO lattice, as well as assigning an extra ligand field contribution to surface molecules, we obtained two-step thermal dependence behavior with two hysteresis loops for the high-spin (HS) fraction.
Article
Chemistry, Multidisciplinary
Julian Felix Baumgaertner, Michael Woerle, Christoph P. Guntlin, Frank Krumeich, Sebastian Siegrist, Valentina Vogt, Dragos C. Stoian, Dmitry Chernyshov, Wouter van Beek, Kostiantyn V. Kravchyk, Maksym V. Kovalenko
Summary: Pyrochlore-type iron (III) hydroxy fluorides (Pyr-IHF) are attractive as low-cost stationary energy storage materials due to their stable supply of constituent elements, high energy densities, and fast Li-ion diffusion. However, their commercial use is currently hindered by the high costs of synthesis and cathode architecture. In this study, a facile and cost-effective dissolution-precipitation synthesis method for Pyr-IHF from soluble iron (III) fluoride precursors is presented. The synthesized Pyr-IHF demonstrates high capacity retention of >80% after 600 cycles at a high current density of 1 A g(-1) without complex electrode engineering. Operando synchrotron X-ray diffraction is used to guide the selective synthesis of Pyr-IHF and investigate the effect of different water contents on rate capability. Li-ion diffusion is found to occur in the 3D hexagonal channels of Pyr-IHF formed by corner-sharing FeF6-x(OH)(x) octahedra.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Enrico Falcone, Germano Nobili, Michael Okafor, Olivier Proux, Giancarlo Rossi, Silvia Morante, Peter Faller, Francesco Stellato
Summary: The redox activity of Cu ions bound to the amyloid-beta peptide is implicated in oxidative stress in Alzheimer's disease. A low-populated intermediate state, capable of binding Cu in both oxidation states, has been proposed to explain the efficient redox cycling between Cu(II)-Aβ and Cu(I)-Aβ resting states. By using X-ray induced photoreduction and thermal relaxation, a partially reduced Cu-Aβ species different from the resting states was trapped and characterized by X-ray Absorption Spectroscopy (XAS). This approach provides the first direct spectroscopic characterization of an intermediate state.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Physics, Condensed Matter
Saliou Bolarinwa Ogou, Toussaint Djidjoho Oke, Mounirou Karimou, Felix Hontinfinde, Kamel Boukheddaden
Summary: We have investigated the magnetic phase diagrams of spin-crossover (SCO) solids using the Blume-Emery-Griffiths spin-1 model. Our findings show thermally-induced gradual and first-order spin-transitions by varying the model parameters. Various types of isothermal magnetic hysteresis loops are obtained near the first-order transition, and their coercive fields and loop patterns are discussed as a function of temperature.
JOURNAL OF PHYSICS-CONDENSED MATTER
(2023)
Article
Nanoscience & Nanotechnology
Quentin Guesnay, Charles J. McMonagle, Dmitri Chernyshov, Waqas Zia, Alexander Wieczorek, Sebastian Siol, Michael Saliba, Christophe Ballif, Christian M. Wolff
Summary: High-vacuum, single-source thermal evaporation is an appealing deposition process for perovskite photovoltaics due to its promise of homogeneous and controlled growth of pure and uniform films. Mechanical synthesis of substoichiometric cesium bromide-lead iodide precursors and subsequent deposition and conversion processes were studied. The results show that no new phases were formed during ball-milling, and halide exchange between precursors occurs during the evaporation process. Furthermore, films with higher cesium bromide content exhibit more impurities, while optimized cesium bromide content leads to photovoltaic devices with 15% efficiency at an optical bandgap of 1.7 eV.
Article
Chemistry, Multidisciplinary
Jerome Rose, Perrine Chaurand, Cedric Dentant, Bernard Angeletti, Daniel Borschneck, Isabelle Kieffer, Olivier Proux, Richard Bonet, Melanie Auffan, Clement Levard, Till Fehlauer, Blanche Collin, Emmanuel Doelsch
Summary: Inorganic contaminants released from mining activities can have a negative impact on the surrounding ecosystems. Sulfuric acid, produced after the oxidation of primary sulfide minerals in ores, plays a significant role in the release of metals. However, secondary metal sulfates can form and control the fate of metals. Thallium (Tl), for example, can be trapped by Tl-jarosite and dorallcharite, secondary minerals found in Tl-rich sulfide deposits and mining areas. The study of the long-term behavior of Tl in soils at the Jas Roux site in France has provided new insights into the biogeochemical cycle of this metal.
ACS EARTH AND SPACE CHEMISTRY
(2023)
Article
Chemistry, Multidisciplinary
Caroline Bissardon, Olivier Proux, Salvatore Andrea Gazze, Odile Filhol, Benoit Toubhans, Lucie Sauzeat, Sylvain Bouchet, Aled R. Lewis, Thierry Maffeis, Jean-Louis Hazemann, Sam Bayat, Peter Cloetens, R. Steven Conlan, Laurent Charlet, Sylvain Bohic
Summary: This study investigated the effects of sub-toxic concentrations of functionalized selenium nanoparticles on prostate cancer cells and their intracellular localization and fate. The results showed that monodisperse selenium nanoparticles capped with bovine serum albumin could slow down the migration capacity of aggressive prostate cancer cells compared to polydisperse selenium nanoparticles capped with chitosan. The nanoparticles were found to interact with mitochondria in the cells. These findings provide new insight for further research on the cytotoxic mechanisms of selenium nanoparticles.
Article
Chemistry, Multidisciplinary
Laetitia Bardet, Herve Roussel, Stefano Saroglia, Masoud Akbari, David Munoz-Rojas, Carmen Jimenez, Aurore Denneulin, Daniel Bellet
Summary: The thermal instability of silver nanowires leads to increased electrical resistance in AgNW networks. Understanding the relationship between structural and electrical properties of AgNW networks is crucial for their integration as transparent electrodes in flexible optoelectronics. In situ X-ray diffraction measurements were used to study the crystallographic evolution of Ag-specific Bragg peaks during thermal ramping, revealing differences in thermal and structural transitions between bare and SnO2-coated AgNW networks.
Article
Chemistry, Multidisciplinary
Nathalia Cancino-Fuentes, Arnau Manasanch, Joana Covelo, Alex Suarez-Perez, Enrique Fernandez, Stratis Matsoukis, Christoph Guger, Xavi Illa, Anton Guimera-Brunet, Maria V. Sanchez-Vives
Summary: This study provides a comprehensive characterization of graphene-based solution-gated field-effect transistors (gSGFETs) for brain recordings, highlighting their potential clinical applications.
Article
Chemistry, Multidisciplinary
Sikandar Aftab, Hailiang Liu, Dhanasekaran Vikraman, Sajjad Hussain, Jungwon Kang, Abdullah A. Al-Kahtani
Summary: This study examines the effects of hybrid nanoparticles made of NiO@rGO and NiO@CNT on the active layers of polymer solar cells and X-ray photodetectors. The findings show that these hybrid nanoparticles can enhance the charge carrier capacities and exciton dissociation properties of the active layers. Among the tested configurations, the NiO@CNT device demonstrates superior performance in converting sunlight into electricity, and achieves the best sensitivity for X-ray detection.
Article
Chemistry, Multidisciplinary
Hyo Jung Shin, Seung Gyu Choi, Fengrui Qu, Min-Hee Yi, Choong-Hyun Lee, Sang Ryong Kim, Hyeong-Geug Kim, Jaewon Beom, Yoonyoung Yi, Do Kyung Kim, Eun-Hye Joe, Hee-Jung Song, Yonghyun Kim, Dong Woon Kim
Summary: This study investigates the role of SOX9 in reactive astrocytes following ischemic brain damage using a PLGA nanoparticle plasmid delivery system. The results demonstrate that PLGA nanoparticles can reduce ischemia-induced neurological deficits and infarct volume, providing a potential opportunity for stroke treatment.
Article
Chemistry, Multidisciplinary
Anurag Chaudhury, Koushik Debnath, Nikhil R. Jana, Jaydeep K. Basu
Summary: The study investigates the interaction between nanoparticles and cell membranes, and identifies key parameters, including charge, crowding, and membrane fluidity, that determine the adsorbed concentration and unbinding transition of nanoparticles.
Article
Chemistry, Multidisciplinary
Sina Sadeghi, Fazel Bateni, Taekhoon Kim, Dae Yong Son, Jeffrey A. Bennett, Negin Orouji, Venkat S. Punati, Christine Stark, Teagan D. Cerra, Rami Awad, Fernando Delgado-Licona, Jinge Xu, Nikolai Mukhin, Hannah Dickerson, Kristofer G. Reyes, Milad Abolhasani
Summary: In this study, an autonomous approach for the development of lead-free metal halide perovskite nanocrystals is presented, which integrates a modular microfluidic platform with machine learning-assisted synthesis modeling. This approach enables rapid and optimized synthesis of copper-based lead-free nanocrystals.
Article
Chemistry, Multidisciplinary
Zahir Abbas, Nissar Hussain, Surender Kumar, Shaikh M. Mobin
Summary: The rational construction of free-standing and flexible electrodes for electrochemical energy storage devices is an emerging research focus. In this study, a redox-active metal-organic framework (MOF) was prepared on carbon nanofibers using an in situ approach, resulting in a flexible electrode with high redox-active behavior and unique properties such as high flexibility and lightweight. The prepared electrode showed excellent cyclic retention and rate capability in supercapacitor applications. Additionally, it could be used as a freestanding electrode in flexible devices at different bending angles.
Article
Chemistry, Multidisciplinary
Lishan Zhang, Xiaoting Zhang, Hui Ran, Ze Chen, Yicheng Ye, Jiamiao Jiang, Ziwei Hu, Miral Azechi, Fei Peng, Hao Tian, Zhili Xu, Yingfeng Tu
Summary: Photodynamic therapy (PDT) is a promising local treatment modality in cancer therapy, but its therapeutic efficacy is restricted by ineffective delivery of photosensitizers and tumor hypoxia. In this study, a phototactic Chlorella-based near-infrared (NIR) driven green affording-oxygen microrobot system was developed for enhanced PDT. The system exhibited desirable phototaxis and continuous oxygen generation, leading to the inhibition of tumor growth in mice. This study demonstrates the potential of using a light-driven green affording-oxygen microrobot to enhance photodynamic therapy.
Article
Chemistry, Multidisciplinary
Yujin Li, Jing Xu, Xinqi Luo, Futing Wang, Zhong Dong, Ke-Jing Huang, Chengjie Hu, Mengyi Hou, Ren Cai
Summary: In this study, hollow heterostructured materials were constructed using an innovative template-engaged method as cathodes for zinc-ion batteries. The materials exhibited fast Zn2+ transport channels, improved electrical conductivity, and controlled volume expansion during cycling. The designed structure allowed for an admirable reversible capacity and high coulombic efficiency.
Article
Chemistry, Multidisciplinary
Paritosh Mahato, Shashi Shekhar, Rahul Yadav, Saptarshi Mukherjee
Summary: This study comprehensively elucidates the role of the core and electrostatic surface of metal nanoclusters in catalytic reduction reactions. The electrostatic surface dramatically modulates the reactivity of metal nanoclusters.
Article
Chemistry, Multidisciplinary
Pei Liu, Mengdi Liang, Zhengwei Liu, Haiyu Long, Han Cheng, Jiahe Su, Zhongbiao Tan, Xuewen He, Min Sun, Xiangqian Li, Shuai He
Summary: This study demonstrates a simple and environmentally-friendly method for the synthesis of zinc oxide nanozymes (ZnO NZs) using wasted hop extract (WHE). The WHE-ZnO NZs exhibit exceptional peroxidase-like activity and serve as effective catalysts for the oxidation of 3,3,5,5-tetramethylbenzidine (TMB) in the presence of hydrogen peroxide (H2O2). In addition, a straightforward colorimetric technique for detecting both H2O2 and glucose was developed using the WHE-ZnO NZs as peroxidase-like catalysts.
Article
Chemistry, Multidisciplinary
Hyunkyu Oh, Young Jun Lee, Eun Ji Kim, Jinseok Park, Hee-Eun Kim, Hyunsoo Lee, Hyunjoo Lee, Bumjoon J. Kim
Summary: Mesoporous carbon particles have unique structural properties that make them suitable as support materials for catalytic applications. This study investigates the impact of channel nanostructures on the catalytic activity of porous carbon particles (PCPs) by fabricating PCPs with controlled channel exposure on the carbon surface. The results show that PCPs with highly open channel nanostructures exhibit significantly higher catalytic activity compared to those with closed channel nanostructures.
Article
Chemistry, Multidisciplinary
Yunjie Lu, Zhaohui Li, Zewei Li, Shihao Zhou, Ning Zhang, Jianming Zhang, Lu Zong
Summary: A tough, long-lasting adhesive and highly conductive nanocomposite hydrogel (PACPH) was fabricated via the synergy of interfacial entanglement and adhesion group densification. PACPH possesses excellent mechanical properties, interfacial adhesion strength, and conductivity, making it a promising material for long-term monitoring of human activities and electrocardiogram signals.
Article
Chemistry, Multidisciplinary
Zichao Wei, Audrey Vandergriff, Chung-Hao Liu, Maham Liaqat, Mu-Ping Nieh, Yu Lei, Jie He
Summary: We have developed a simple method to prepare polymer-grafted plasmonic metal nanoparticles with pH-responsive surface-enhanced Raman scattering. By using pH-responsive polymers as ligands, the aggregation of nanoparticles can be controlled, leading to enhanced SERS. The pH-responsive polymer-grafted nanoparticles show high reproducibility and sensitivity in solution, providing a novel approach for SERS without the need for sample pre-concentration.
Article
Chemistry, Multidisciplinary
Melis Ozge Alas Colak, Ahmet Gungor, Merve Buldu Akturk, Emre Erdem, Rukan Genc
Summary: This research investigates the effect of functionalizing carbon dots with hydroxyl polymers on their performance as electrode materials in a supercapacitor. The results show that the functionalized carbon dots exhibit excellent electrochemical performance and improved stability.