Article
Chemistry, Physical
Daniil A. Boiko, Alexey S. Kashin, Vyacheslav R. Sorokin, YuryV. Agaev, Roman G. Zaytsev, Valentine P. Ananikov
Summary: Electron microscopy is an important method for characterizing various systems, and recent developments have made it possible to observe phenomena in liquid phase processes. Real-time electron microscopy in liquids captures the dynamic nature of the sample, increasing the complexity of data analysis. This work proposes a framework for data analysis in real-time electron microscopy and compares multiple algorithm choices to find efficient solutions. The developed method, which combines classical computer vision methods and deep learning-based denoising, discovered the unique anisotropic effect of the electron beam in microstructured ionic liquid-based systems.
JOURNAL OF MOLECULAR LIQUIDS
(2023)
Review
Biochemistry & Molecular Biology
Liza-Anastasia DiCecco, Andrew D'Elia, Chelsea Miller, Kyla N. Sask, Leyla Soleymani, Kathryn Grandfield
Summary: Room-temperature ionic liquids (RTILs) have been proposed as an alternative to traditional lengthy preparation methods for biological imaging using electron microscopy, allowing for imaging of hard-to-image soft and/or wet samples without dehydration. Future research avenues should focus on RTIL selection and optimization, applications for live cell processes, and electron beam and ionic liquid interaction studies.
Article
Chemistry, Multidisciplinary
Alexey S. Kashin, Daniil A. Boiko, Valentine P. Ananikov
Summary: This study successfully merged real-time field-emission scanning electron microscopy (FE-SEM) measurements and neural network analysis to observe the temperature-induced behavior of soft liquid microdomains in mixtures of different ionic liquids with water. The combination of liquid FE-SEM and in situ heating techniques revealed the temperature-driven solution restructuring for ions/water systems and their rapid switch between thermal expansion and shrinkage of liquid microphases. Automation of FE-SEM video analysis by a neural network approach allowed quantification of morphological changes in ions/water systems during heating.
Article
Chemistry, Physical
Florian Hausen
Summary: Ionic liquids (ILs) have significant applications in lubrication, catalysis, and battery electrolytes. The time required to form a stable interface between ILs and charged surfaces is crucial in many applications. This study demonstrates the probing of ILs' relaxation times using friction force microscopy, showing that the friction force is highly sensitive to even subtle changes in the ILs' interfacial configuration. Various relaxation processes with different time scales are observed, and a significant difference is found depending on the direction of applied potential switching. Furthermore, variations in height after potential steps and the presence of trace amounts of water are discussed.
Article
Chemistry, Multidisciplinary
Owen J. Curnow, Rathiga Senthooran
Summary: A series of highly-fluorinated triaminocyclopropenium salts were prepared and their properties as ionic liquids were investigated. Different cations were obtained by reacting pentachlorocyclopropane or tetrachlorocyclopropene with bis(2,2,2-trifluoroethyl)amine and a trialkylamine. The salts were characterized by thermal measurements, solubility properties, density, viscosity, and conductivity, and X-ray diffraction studies showed the formation of fluorous and hydrophilic regions.
CHEMISTRY-AN ASIAN JOURNAL
(2022)
Article
Chemistry, Physical
Iwona Anusiewicz, Sylwia Freza, Maciej Bobrowski, Piotr Skurski
Summary: The study investigates the electronic structure and stability of reduction products of representative cations in ionic liquids, finding that only in certain cases stable anions are formed while in others neutral radicals are more likely. The formation of various dimers is also considered, with analysis on their stability and susceptibility to fragmentation. Overall, the study confirms the stability of certain dimers against fragmentation and identifies specific dimeric anions as adiabatically stable.
JOURNAL OF CHEMICAL PHYSICS
(2021)
Article
Chemistry, Multidisciplinary
Elham Avirdi, Seyyed Emad Hooshmand, Heshmatollah Sepahvand, Venkataraman Vishwanathan, Indra Bahadur, Lebogang Maureen Katata-Seru, Rajender S. Varma
Summary: The synthesis and stabilization of silver nanoparticles in ionic liquids without the need for additional stabilizers showcase the potential of ILs as green media for nanoparticle synthesis.
CURRENT OPINION IN GREEN AND SUSTAINABLE CHEMISTRY
(2022)
Article
Microscopy
Liza-Anastasia Dicecco, Andrew D'Elia, Cheryl Quenneville, Leyla Soleymani, Kathryn Grandfield
Summary: This study introduces a new protocol using ionic liquids for preparing bone samples for SEM, which allows for efficient observation of hydrated, unfixed bone structures. The addition-based treatment with varying concentrations of ionic liquids demonstrated favorable imaging results for different types of bone samples.
Article
Chemistry, Physical
Madhur Babu Singh, Kamlesh Kumari, Mohd. Aslam, Vijay K. Vishvakarma, Indra Bahadur, Prashant Singh
Summary: Understanding the preparation and stabilization of silver nanoparticles in ionic liquids is still needed to investigate. Various groups have reported the synthesis and stabilization of silver nanoparticles (Ag NPs) in ionic liquids (ILs) on varying the cation and anion. The impact of alkyl chain in the cation and the interactions between the ILs and Ag NPs were investigated using imidazolium ring-based ionic liquids. DFT and TD-DFT calculations were performed to study the interactions and thermodynamic parameters.
JOURNAL OF MOLECULAR LIQUIDS
(2023)
Article
Chemistry, Analytical
Kateryna Yavir, Philip Eor, Adam Kloskowski, Jared L. Anderson
Summary: This study presented a novel polymeric ionic liquid sorbent coating for the determination of volatile and semivolatile amines from water samples, demonstrating high enrichment factors and excellent analytical performance. The developed method showed good application results in tap water and lake water samples.
JOURNAL OF SEPARATION SCIENCE
(2021)
Article
Chemistry, Organic
Gaurav Badhani, Abhisek Joshi, Subbarayappa Adimurthy
Summary: The study introduces a metal-free method for the synthesis of imines using oxygen as the terminal oxidant, achieving oxidative coupling of amines and alcohols to form C-N, C-S, and C-C bonds. This method features mild reaction conditions and broad applicability.
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
(2021)
Article
Biochemistry & Molecular Biology
Alexandre C. P. M. Alves, Luis M. N. B. F. Santos, Margarida Bastos, Jose C. S. Costa
Summary: This study successfully synthesized silver nanoparticles (AgNPs) and stabilized them in coalesced ionic liquid (IL) films with the help of sputter deposition and argon plasma. The formation and stabilization of AgNPs in IL films were confirmed using SEM and UV-Vis spectroscopy. Thicker IL films and [C(5)C(5)im][NTf2] IL in particular were found to be more favorable for the formation and stabilization of AgNPs.
Article
Chemistry, Multidisciplinary
Yuval Simha, Gil Daniels, Amalya Goldman, Elihay Kuniavsky, Dmitry Tsvelikhovsky
Summary: A new strategy for direct access to fully substituted polycyclic imidazolium salts using alpha-enaminones and proline as the reagents is reported. This open-flask operation is a catalyst-, metal-, and Lewis acid-free green process, which does not require an ion-exchange step. It can produce good yields with minimal formation of side products, and is not limited to aryl substituents.
Article
Green & Sustainable Science & Technology
Mariusz Zalewski, Tomasz Krawczyk, Agnieszka Siewniak, Aleksander Sobolewski
Summary: This study investigates the potential of ionic liquid mixtures as CO2 absorbents, finding that the addition of water greatly reduces the viscosity of the systems. Some CO2-rich solutions display non-Newtonian behavior, and the mechanism of CO2 absorption in imidazolium ionic liquids with DBU was confirmed through C-13 NMR.
INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
(2021)
Article
Chemistry, Multidisciplinary
Takatsugu Endo, Takeru Nakano, Nana Tokumasu, Yoshifumi Kimura
Summary: This study investigated the formation of complex cellulose crystals with 12 ionic liquids (ILs) using wide-angle X-ray scattering. The results showed that complex crystals were more likely to form when the ion sizes of the cation and anion were close. Solid-state 13C NMR spectroscopy revealed that the crystal structures were almost the same regardless of the starting cellulose structure (cellulose I or II).
CRYSTAL GROWTH & DESIGN
(2022)
Article
Multidisciplinary Sciences
Joshua J. Cardiel, Hirotoshi Furusho, Ulf Skoglund, Amy Q. Shen
SCIENTIFIC REPORTS
(2015)
Article
Cell Biology
Reetesh Raj Akhouri, Suchi Goel, Hirotoshi Furusho, Ulf Skoglund, Mats Wahlgren
Article
Physics, Applied
Hirotoshi Furusho, Yumiko Mishima, Norihiro Kameta, Mitsutoshi Masuda, Ichiro Yamashita, Toshimi Shimizu
JAPANESE JOURNAL OF APPLIED PHYSICS
(2008)
Article
Physics, Applied
Hirotoshi Furusho, Yumiko Mishima, Naohiro Kameta, Midori Yamane, Mitsutoshi Masuda, Masumi Asakawa, Ichiro Yamashita, Hirotaro Mori, Akio Takaoka, Toshimi Shimizu
JAPANESE JOURNAL OF APPLIED PHYSICS
(2009)
Article
Optics
Hirotoshi Furusho, Jorma Holsa, Taneli Laamanen, Mika Lastusaari, Janne Niittykoski, Yasuo Okajima, Aishi Yamamoto
JOURNAL OF LUMINESCENCE
(2008)
Article
Nanoscience & Nanotechnology
C. L. Chen, H. Furusho, H. Mori
Article
Chemistry, Physical
Masanori Sakamoto, Sung Sik Kim, Hirotoshi Furusho, Tetsuro Majima
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2010)
Article
Multidisciplinary Sciences
Marcos Penedo, Ayhan Yurtsever, Keisuke Miyazawa, Hirotoshi Furusho, Kiyo-Aki Ishii, Takeshi Fukuma
SCIENTIFIC REPORTS
(2020)
Article
Chemistry, Analytical
Kazuki Shigyou, Linhao Sun, Riku Yajima, Shohei Takigaura, Masashi Tajima, Hirotoshi Furusho, Yousuke Kikuchi, Keisuke Miyazawa, Takeshi Fukuma, Azuma Taoka, Toshio Ando, Shinji Watanabe
ANALYTICAL CHEMISTRY
(2020)
Article
Multidisciplinary Sciences
Marcos Penedo, Tetsuya Shirokawa, Mohammad Shahidul Alam, Keisuke Miyazawa, Takehiko Ichikawa, Naoko Okano, Hirotoshi Furusho, Chikashi Nakamura, Takeshi Fukuma
Summary: Nanoneedle-based systems have proven to be highly useful in cell biology, serving as nanotools for drug delivery, biosensing, and biomolecular recognition inside cells. Studies have shown that the shape and diameter of nanoneedles can impact the penetration forces and indentation lengths on the cell membrane. By using ultra-thin and sharp nanoprobes, it is possible to further reduce these, consequently minimizing cell damage.
SCIENTIFIC REPORTS
(2021)
Article
Multidisciplinary Sciences
Marcos Penedo, Keisuke Miyazawa, Naoko Okano, Hirotoshi Furusho, Takehiko Ichikawa, Mohammad Shahidul Alam, Kazuki Miyata, Chikashi Nakamura, Takeshi Fukuma
Summary: The nanoendoscopy-AFM technique allows for imaging of actin fiber 3D maps and membrane inner scaffold 2D nanodynamics inside living cells without affecting cell viability. This overcomes the limitations of current nanoimaging techniques by directly accessing intracellular components with AFM capabilities.
Article
Chemistry, Physical
Kenji Iwahori, Takahiro Enomoto, Hirotoshi Furusho, Atsushi Miura, Kazuaki Nishio, Yumiko Mishima, Ichiro Yamashita
CHEMISTRY OF MATERIALS
(2007)
Review
Chemistry, Multidisciplinary
James J. Murphy, Hirotoshi Furusho, R. Michael Paton, Kotohiro Nomura
CHEMISTRY-A EUROPEAN JOURNAL
(2007)