Article
Biochemistry & Molecular Biology
Ilya S. Kritchenkov, Vitaliya G. Mikhnevich, Victoria S. Stashchak, Anastasia Solomatina, Daria O. Kozina, Victor V. Sokolov, Sergey P. Tunik
Summary: The photophysical properties of a series of NIR-emitting iridium complexes were studied, and it was found that their characteristics are mainly determined by the properties of the metalating ligands. These complexes showed lower oxygen-quenching constants and acceptable cytotoxicity in physiological media. Additionally, they can be used for semi-quantitative measurement of oxygen concentration in living cells.
Article
Chemistry, Multidisciplinary
Rongji Zhu, Peiling Dai, Jun Yang, Jie Zhou, Jin Zhang, Kenneth Yin Zhang, Yonghua Li, Shujuan Liu, Kenneth Kam-Wing Lo, Qiang Zhao
Summary: In this study, dual-emissive iridium(III) complexes were developed to exhibit phosphorescence responses to copper(II) ions at a distinct wavelength from oxygen quenching. These complexes demonstrated colorimetric phosphorescence response in aqueous solutions under different copper(II) and oxygen conditions. In cellular imaging, the intensity and lifetime of green phosphorescence can be modulated by variation in oxygen concentration without affecting the response of red phosphorescence towards intracellular copper(II) ions.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Spectroscopy
Jingqi Liu, Xueliang Wang, Jing Wang, Chung-Hang Leung, Wanhe Wang
Summary: A new near-infrared luminescence probe for the detection of mitochondrial palladium ions in living cells is reported. This is the first near-infrared luminescence imaging probe for the detection of mitochondria Pd species in living cells, paving the way for studying subcellular distributions and related toxicity analysis of exogenous Pd species in living cells.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2023)
Article
Chemistry, Analytical
Yudong Zhou, Song Lu, Jiahuan Zhi, Ruihong Jiang, Jiahao Chen, Hanbing Zhong, Huifang Shi, Xing Ma, Zhongfu An
Summary: This study demonstrates the preparation of ultralong organic phosphorescent nanoparticles (PDBCz@PVP) with excellent phosphorescence properties, which show promise for biological imaging applications.
ANALYTICAL CHEMISTRY
(2021)
Article
Chemistry, Multidisciplinary
Jun Xiang Ong, Hai Van Le, Violet Eng Yee Lee, Wee Han Ang
Summary: Mitochondria have been identified as important targets for cisplatin in cancer treatment. In addition to cisplatin, anticancer Pt complexes with similar structures have been developed to target mitochondria. The researchers developed a mitochondria-targeted fluorescent probe to monitor Pt accumulation in mitochondria in real time, and identified two distinct pathways through which Pt complexes could be delivered to mitochondria.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Applied
Chan Hee Ryu, Junseop Lim, Mingi Kim, Ilsup Shin, Jun Yeob Lee, Kang Mun Lee
Summary: Researchers have developed a blue-emitting iridium complex, IrTrz, based on a 1,2,4-triazole ligand, which exhibits stable blue emission, high thermal stability, and excellent electrochemical stability. Multilayer phosphorescent OLEDs using IrTrz as the blue emitter show low turn-on voltages and high external quantum efficiencies, with stable operational lifetimes exceeding 690 h.
Article
Spectroscopy
Lei Hu, Xi Chen, Kun Yu, Na Huang, Hailing Du, Yan Wei, Yunjun Wu, Hui Wang
Summary: Visualizing endogenous histidine in living systems is important and challenging work. Two weak-emission iridium(III) complexes (IrL1 and IrL2) were designed and synthesized, with IrL2 showing better performance for detecting histidine. The recognition mechanism involves histidine substituting solvent ligands, and IrL2 can be used to visualize endogenous histidine in living cells.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2021)
Article
Spectroscopy
Haotian Xin, Yan Huang, Yanyan Han, Luyao Tang, Guiyi Yang, Yan Zhang, Songfang Zhao, Kang-Nan Wang, Yibing Li, Duxia Cao
Summary: A two-photon phosphorescent probe based on Ir(III) complex (Ir-CN) was designed and synthesized for the selective and sensitive detection of SO2 derivatives at subcellular level. The probe showed significant phosphorescent enhancement and increased phosphorescent lifetime, with a detection limit of 0.17 μM.
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
(2023)
Article
Chemistry, Analytical
Mei-Jia Hou, Zhi-Qing Wang, Jun-Tao Chen, Zhi-Ke Tan, Guo-Jiang Mao, Junjie Fei, Chun-Yan Li
Summary: This study developed a fluorescent nanoprobe for sequential detection of ATP and ONOO-, showing potential for accurate cancer diagnosis by distinguishing cancer cells from normal cells.
ANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Analytical
Mozhgan Samandarsangari, Daria O. Kozina, Victor V. Sokolov, Anastasia D. Komarova, Marina V. Shirmanova, Ilya S. Kritchenkov, Sergey P. Tunik
Summary: In this study, new phosphorescent iridium complexes were synthesized with water-soluble and biocompatible properties. The major photophysical characteristics were determined by two cyclometallating ligands based on 2-pyridine-benzothiophene. The use of various diimine ligands influenced the quantum yield of phosphorescence and the sensitivity to oxygen. The complexes demonstrated low toxicity and good water solubility.
Article
Chemistry, Applied
Xin Ji, Nannan Wang, Jian Zhang, Shuang Xu, Yubing Si, Weili Zhao
Summary: In this study, researchers designed and synthesized a novel fluorescent probe for rapid and accurate detection of cysteine (Cys) concentration in biological systems, particularly in mitochondria. The probe exhibited a low detection limit and successfully enabled monitoring of Cys in living cells and in vivo.
Article
Chemistry, Analytical
Wenju Xu, Zeqiang Li, Dayou Tan, Qixuan Liu, Shuxing Su, Yudi Chen, Lei Yang, Jiarong Sheng, Qi Xiao, Wenqiang Chen
Summary: A robust mitochondria-targetable fluorescent probe, MBP, was constructed for selective sensing of HClO with unrivalled triple-channel fluorescence turn-on manner. The probe exhibited good selectivity, fast response, and excellent mitochondrial-targeting potency. It also showed potential for biological investigations through triple channel fluorescence image of exogenous/endogenous HClO in living cells.
SENSORS AND ACTUATORS B-CHEMICAL
(2023)
Article
Chemistry, Physical
Cheng-Ruei Yang, Yu-Syuan Lin, Ren-Siang Wu, Chin-Jung Lin, Han-Wei Chu, Chih-Ching Huang, Anisha Anand, Binesh Unnikrishnan, Huan-Tsung Chang
Summary: A ratiometric fluorescent probe based on o-phenylenediamine-derived carbonized polymer dots (o-PD CPDs) was developed for real-time intracellular detection of singlet oxygen (1O2). The o-PD CPDs can produce 1O2 and selectively quench the yellow fluorescence, allowing for the selective detection of 1O2 against other reactive oxygen species (ROS). The probe was successfully applied to monitor 1O2 level in the intracellular environment and detect 1O2 and other ROS species in an inflammatory neutrophil cell model.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Multidisciplinary
Jose Garcia-Calvo, Javier Lopez-Andarias, Jimmy Maillard, Vincent Mercier, Chloe Roffay, Aurelien Roux, Alexandre Fuerstenberg, Naomi Sakai, Stefan Matile
Summary: HydroFlippers are fluorescent membrane tension probes that report on both membrane compression and hydration. Different cellular membranes show varied responses to tension-induced decompression and hydration. The mechanical compression is independent of the nature of the membrane of interest (MOI), while the response to hydration depends on the intrinsic order of the MOI.
Article
Chemistry, Analytical
Yibiao Jin, Donghao Hu, Jiamiao Yin, Kuangshi Sun, Lijun Chen, Shujuan Liu, Fuyou Li, Qiang Zhao
Summary: In this study, an iridium-based probe decorated with a p-nitrophenyl group was designed and investigated for the detection and imaging of nitroreductase (NTR). The probe showed selective and precise detection of NTR using photoluminescence lifetime imaging (PLIM) within living cells.
SENSORS AND ACTUATORS B-CHEMICAL
(2024)
Article
Chemistry, Analytical
Toshitada Yoshihara, Masahiro Hosaka, Motoki Terata, Kazuki Ichikawa, Saori Murayama, Asami Tanaka, Masanobu Mori, Hideyuki Itabashi, Toshiyuki Takeuchi, Seiji Tobita
ANALYTICAL CHEMISTRY
(2015)
Article
Biotechnology & Applied Microbiology
Shiori Sato, Masato Nakazawa, Yumi Kihara, Yusuke Kubo, Yuki Sato, Takahiro Kikuchi, Asumi Nonaka, Akira Sasaki, Jun Iwashita, Jun Murata, Masahiro Hosaka, Masayuki Kobayashi
JOURNAL OF BIOSCIENCE AND BIOENGINEERING
(2015)
Article
Cell Biology
Hiroshi Gomi, Satomi Morikawa, Naoki Shinmura, Hiroaki Moki, Tadashi Yasui, Azuma Tsukise, Seiji Torii, Tsuyoshi Watanabe, Yoshinori Maeda, Masahiro Hosaka
JOURNAL OF HISTOCHEMISTRY & CYTOCHEMISTRY
(2015)
Article
Biotechnology & Applied Microbiology
Nobushige Nakazawa, Aya Sato, Masahiro Hosaka
JOURNAL OF BIOSCIENCE AND BIOENGINEERING
(2016)
Article
Cell Biology
Hiroshi Gomi, Hiromi Osawa, Rie Uno, Tadashi Yasui, Masahiro Hosaka, Seiji Torii, Azuma Tsukise
JOURNAL OF HISTOCHEMISTRY & CYTOCHEMISTRY
(2017)
Review
Chemistry, Physical
Toshitada Yoshihara, Yosuke Hirakawa, Masahiro Hosaka, Masaomi Nangaku, Seiji Tobita
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C-PHOTOCHEMISTRY REVIEWS
(2017)
Article
Biochemistry & Molecular Biology
Seiji Torii, Chisato Kubota, Naoya Saito, Ayumi Kawano, Ni Hou, Masaki Kobayashi, Ryoko Torii, Masahiro Hosaka, Tadahiro Kitamura, Toshiyuki Takeuchi, Hiroshi Gomi
JOURNAL OF BIOLOGICAL CHEMISTRY
(2018)
Article
Biochemistry & Molecular Biology
Miho Tsuchiya, Yasuko Manabe, Kenichiro Yamada, Yasuro Furuichi, Masahiro Hosaka, Nobuharu L. Fujii
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
(2013)
Article
Chemistry, Multidisciplinary
Hiroaki Horiuchi, Masahiro Hosaka, Hiroyuki Mashio, Motoki Terata, Shintaro Ishida, Soichiro Kyushin, Tetsuo Okutsu, Toshiyuki Takeuchi, Hiroshi Hiratsuka
CHEMISTRY-A EUROPEAN JOURNAL
(2014)
Review
Cell Biology
Tsuyoshi Watanabe, Hiroki Bochimoto, Daisuke Koga, Masahiro Hosaka, Tatsuo Ushiki
MOLECULAR AND CELLULAR ENDOCRINOLOGY
(2014)
Article
Biochemistry & Molecular Biology
Eri Sato, Yoshinori Maeda, Yui Sato, Airi Hinata, Hiroshi Gomi, Daisuke Koga, Seiji Torii, Tsuyoshi Watanabe, Masahiro Hosaka
BIOCHEMICAL JOURNAL
(2019)
Article
Cell Biology
Hiroshi Gomi, Airi Hinata, Tadashi Yasui, Seiji Torii, Masahiro Hosaka
Summary: SgIII is mainly expressed in endocrine tissues such as the pituitary gland, adrenal medulla, and pancreatic islets, with additional expression in the brain and peripheral nervous tissues. The expression of LacZ is particularly prominent in astrocytes.
JOURNAL OF HISTOCHEMISTRY & CYTOCHEMISTRY
(2021)
Article
Cell Biology
Hiroshi Gomi, Takahiro Nagumo, Kazushi Asano, Makoto Konosu, Tadashi Yasui, Seiji Torii, Masahiro Hosaka
Summary: This study found that SgII and SgIII have distinct expression patterns in adrenal chromaffin cells, and their expression intensity varies in pheochromocytomas. These findings provide a fundamental understanding of the expression differences between SgII and SgIII in normal adrenal chromaffin cells and pheochromocytomas.
JOURNAL OF HISTOCHEMISTRY & CYTOCHEMISTRY
(2022)
Article
Endocrinology & Metabolism
Yoshinori Maeda, Saki Kudo, Ken Tsushima, Eri Sato, Chisato Kubota, Aika Kayamori, Hiroki Bochimoto, Daisuke Koga, Seiji Torii, Hiroshi Gomi, Tsuyoshi Watanabe, Masahiro Hosaka
Article
Chemistry, Physical
Wiem Bouali, Muejgan Yaman, Nurgul Seferogu, Zeynel Seferogu
Summary: Novel chemosensors, including coumarin hydrazide, were synthesized and demonstrated the ability to detect cyanide ions through absorption and fluorescence turn-off response. The reaction mechanism between the sensors and the ions was determined through experimental and theoretical studies. The sensors exhibited high detection ability and effectiveness.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2024)
Article
Chemistry, Physical
Parinaz Abdollahian, Hassan Heidari, Soheila Hassanzadeh, Mohammad Hasanzadeh
Summary: This study successfully synthesized various types of thiolated-graphene quantum dots (GQDs) and utilized them in a one-droplet microfluidic paper-based analytical device for the simultaneous multi-sensing of heavy metal ions. The GQDs were functionalized and stabilized on the surface of hydrophobic fiber-glass, enabling colorimetric chemosensing of ions including iron, copper, cobalt, mercury, chrome, manganese, and nickel. The results were confirmed using fluorescence spectrometry, and the platform showed potential for facile metal ion detection in human urine models and environmental fluids.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2024)
Article
Chemistry, Physical
S. L. Barrett, C. Meyer, E. Cwiklik, V Fieglein, M. Burns, J. Guerrero, W. J. Brittain
Summary: Laboratory illumination is strong enough to create a photostationary state (PSS) of amphiphilic azo-benzene compounds in water. The [cis]PSS/[trans]PSS ratios were observed to be 0.33-1.2 in D2O and 0.37-3.8 in dimethyl sulfoxide-d6. ortho-Fluoroazobenzene amphiphiles show higher cis-isomer concentration at equilibrium compared to non-fluorinated compounds due to differences in optical absorption profiles. The kinetics of isomerization were measured using UV-Vis spectroscopy and the ratio of trans-to-cis rates does not directly correlate with the observed PSS. The half-life for PSS formation is 40 minutes for fluorinated compounds and 80 minutes for non-fluorinated compounds.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2024)
Article
Chemistry, Physical
Jalil Khodayari, Karim Zare, Omid Moradi, Mohammadreza Kalaee, Niyaz Mohammad Mahmoodi
Summary: In this study, an eco-friendly biocomposite (CMC/MIL/CuO) was synthesized and characterized, and its ability to decolorize Acid Blue 92 dye was investigated. The results showed that CMC/MIL/CuO can be used as a suitable photocatalyst for dye decolorization.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2024)
Article
Chemistry, Physical
Bo Ma, Qian Xu, Huajun Yao, Yalin Chen, Yiyang Wang, Yunfei Yang, Hongfang Shen, Youjun Lu
Summary: This study designed an integrated structure of Cu2O@Au/Cu2O heterostructure particles, which achieved significantly enhanced photocatalytic performance by simultaneously considering the integrated structural characteristics and localized surface plasmon resonance (LSPR) effect. Experimental characterization and theoretical simulation confirmed the three-in-one synergy of the integrated heterostructure, including the LSPR effect of Au nanoparticles, the light scattering based on core-shell heterostructure, and the effective charge separation based on inter-embedded heterostructure. The concept of integrated heterostructure cooperated with LSPR effect provides a new strategy for designing future catalysts.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2024)
Article
Chemistry, Physical
Robert G. H. Marks, Sarah P. Rockel, Klaus Kerpen, Holger Somnitz, Philipp R. Martin, Maik A. Jochmann, Torsten C. Schmidt
Summary: This study investigated the pH-dependent photolysis of phosphonates in aqueous solutions and analyzed the transformation products. The results showed that the photolysis rate of phosphonates was influenced by pH and light conditions. Furthermore, the carbon kinetic isotope effects varied for different types of phosphonates.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2024)
Article
Chemistry, Physical
T. M. Naren Vidaarth, S. Surendhiran, K. S. G. Jagan, S. Savitha, K. S. Balu, A. Karthik, B. Kalpana
Summary: In this study, magnesium oxide nanoparticles were synthesized using plant seed extracts, which exhibited excellent performance in removing dyes from textile water bodies. These nanoparticles also showed strong antibacterial and antioxidant properties.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2024)
Article
Chemistry, Physical
Mikhail Yu. Ovchinnikov, Vyacheslav A. Antipin, Sergey L. Khursan
Summary: In this study, the recombination of separated ion-radical states (SIRS) in PAPh films was analyzed, and it was found that the contribution of X-SIRS recombination to total luminescence varies with different environments. It was also shown that the recombination of labile SIRS is independent of the nature of the atmosphere. The study theoretically substantiated that SIRS recombination can occur via the transfer of both positive and negative charges, and the efficiency of thermal activation of recombination processes depends on the ratio of radiant and conductive channels of energy transfer.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2024)
Article
Chemistry, Physical
Sumaira Naeem, Tayyaba Mubashir, Mudassir Hussain Tahir, Jawayria Najeeb, Ahmed Z. Dewidar, Hosam O. El-ansary, Silas Lagat, Anthony Pembere
Summary: This study presents an alternative methodology using machine learning for the selection of novel organic molecules to develop high-performance organic solar cell devices.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2024)
Article
Chemistry, Physical
D. Thirumoolan, S. Ragupathy, S. Renukadevi, P. Rajkumar, Rajakumar S. Rai, R. M. Saravana Kumar, Imran Hasan, Mani Durai, Young-Ho Ahn
Summary: In this study, the photodegradation of brilliant green dye was studied in relation to the comparative photocatalytic activity of pure ZnO and Ni-doped ZnO/CSAC. The Ni-doped ZnO/CSAC showed a higher photocatalytic degradation rate under visible light irradiation, suggesting its potential as an effective wastewater treatment material.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2024)
Article
Chemistry, Physical
Ajmal Khan, Zhidong Chang, Wenjun Li, Xiaohui Ma, Mei Dong, Liang Geng, Ghulam Yasin, Shuaib Khan, Hira Anwar
Summary: Due to its functional structure and tunable shape, 2D zeolitic imidazole framework (ZIFs) have gained significant interest in various fields. In this study, thin ZIF-8 sheets were prepared using a mixed solvent and then delaminated into single layers through physical sonication. These hexagonal sheets exhibited high stability and controlled morphology, and showed excellent performance in dye degradation compared to 3D ZIF-8 crystals.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2024)
Article
Chemistry, Physical
Vitaly A. Podshibyakin, Evgenii N. Shepelenko, Leonid D. Popov, Tatyana M. Valova, Anton O. Ayt, Lyudmila G. Kuzmina, Anton V. Lisovin, Oleg N. Burov, Mikhail E. Kletskii, Alexander D. Dubonosov, Vladimir A. Bren
Summary: Bifunctional hybrids containing photochromic indolyl(thienyl) diarylethenes and an ionochromic rhodamine moiety connected by a dimethylene spacer were synthesized. These hybrids exhibit absorption at 450-455 nm and fluorescence at 560 nm in toluene. UV light triggers ring-closed non-fluorescent diarylethene formation, which can be reversed under visible light or in the dark. In the presence of H+ cation, a naked eye effect is observed with the opening of the rhodamine-spirolactam ring and a pink-crimson coloration at 561 nm accompanied by intense long-wavelength emission at 586 nm. This process is reversible by exposure to triethylamine, as confirmed by NMR experiments. The light-induced isomerizations and proton-induced transformations were explained using computational methods. Reversible switching of fluorescent properties can be achieved by light irradiation and proton.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2024)
Article
Chemistry, Physical
Majid Sharifi-Rad, Hazem S. Elshafie, Pawel Pohl
Summary: The study investigated the synthesis of silver nanoparticles using Lallemantia royleana leaf extract, characterized their physico-chemical properties, and evaluated their biopharmaceutical and catalytic applications. The synthesized nanoparticles showed good stability and exhibited higher antioxidant, antimicrobial, anti-inflammatory, anti-arthritic, and cytotoxic activities compared to the leaf extract. These results provide a promising green synthesis route for silver nanoparticles with potential biomedical and catalytic applications.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2024)
Article
Chemistry, Physical
Meera Moydeen Abdul Hameed, Badr M. Thamer
Summary: Security encoding using photochromism is an effective method for creating authentication substrates. A unique photochromic ink has been developed that emits light continuously under UV rays and darkness. The ink is produced by dispersing lanthanidedoped aluminate nanoparticles in a polymer binder. The resulting composite ink can be used to create transparent films on paper, and the stamped patterns become visible under UV rays, changing from colorless to green.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2024)
Article
Chemistry, Physical
Monika Lamoria, Rita Kakkar, Marilyn Daisy Milton
Summary: Four novel water-soluble benzimidazolium and bis-benzimidazolium salts with a fluorophore-spacer-receptor design were synthesized and demonstrated to selectively detect Fe3+ ions with large Stokes shifts. The binding mechanism and detection performance were investigated through theoretical and experimental studies.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2024)