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Stepanenko I, Zalibera M, Schaniel D, Telser J, Arion V. Ruthenium-nitrosyl complexes as NO-releasing molecules and potential anticancer drugs. Dalton Trans 2022; 51:5367-5393. [DOI: 10.1039/d2dt00290f] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthesis of new types of mono- and polynuclear ruthenium nitrosyl complexes is driving progress in the field of NO generation for a variety of applications. Light-induced Ru-NO bond dissociation...
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Xie L, Bai H, Song L, Liu C, Gong W, Wang W, Zhao X, Takemoto C, Wang H. Structural and Photodynamic Studies on Nitrosylruthenium-Complexed Serum Albumin as a Delivery System for Controlled Nitric Oxide Release. Inorg Chem 2021; 60:8826-8837. [PMID: 34060309 DOI: 10.1021/acs.inorgchem.1c00762] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
How to deliver nitric oxide (NO) to a physiological target and control its release quantitatively is a key issue for biomedical applications. Here, a water-soluble nitrosylruthenium complex, [(CH3)4N][RuCl3(5cqn)(NO)] (H5cqn = 5-chloro-8-quinoline), was synthesized, and its structure was confirmed with 1H NMR and X-ray crystal diffraction. Photoinduced NO release was investigated with time-resolved Fourier transform infrared and electron paramagnetic resonance (EPR) spectroscopies. The binding constant of the [RuCl3(5cqn)(NO)]- complex with human serum albumin (HSA) was determined by fluorescence spectroscopy, and the binding mode was identified by X-ray crystallography of the HSA and Ru-NO complex adduct. The crystal structure reveals that two molecules of the Ru-NO complex are located in the subdomain IB, which is one of the major drug binding regions of HSA. The chemical structures of the Ru complexes were [RuCl3(5cqn)(NO)]- and [RuCl3(Glycerin)NO]-, in which the electron densities for all ligands to Ru are unambiguously identified. EPR spin-trapping data showed that photoirradiation triggered NO radical generation from the HSA complex adduct. Moreover, the near-infrared image of exogenous NO from the nitrosylruthenium complex in living cells was observed using a NO-selective fluorescent probe. This study provides a strategy to design an appropriate delivery system to transport NO and metallodrugs in vivo for potential applications.
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Affiliation(s)
- Leilei Xie
- Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China
| | - Hehe Bai
- Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China
| | - Luna Song
- Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China
| | - Chenyang Liu
- Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China
| | - Wenjun Gong
- Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China
| | - Wenming Wang
- Key Laboratory of Pharmaceutical Biotechnology of Shanxi Provence, Shanxi, Taiyuan 030006, China
| | - Xuan Zhao
- Department of Chemistry, University of Memphis, Memphis, Tennessee 38152, United States
| | - Chie Takemoto
- RIKEN Center for Biosystems Dynamics Research, Yokohama, Kanagawa 230-0045, Japan
| | - Hongfei Wang
- Key Laboratory of Chemical Biology and Molecular Engineering of the Education Ministry, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China
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3
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Costa PPC, Waller SB, dos Santos GR, Gondim FDL, Serra DS, Cavalcante FSÁ, Gouveia Júnior FS, de Paula Júnior VF, Sousa EHS, Lopes LGDF, Ribeiro WLC, Monteiro HSA. Anti-asthmatic effect of nitric oxide metallo-donor FOR811A [cis-[Ru(bpy)2(2-MIM)(NO)](PF6)3] in the respiratory mechanics of Swiss mice. PLoS One 2021; 16:e0248394. [PMID: 33711054 PMCID: PMC7954307 DOI: 10.1371/journal.pone.0248394] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Accepted: 02/25/2021] [Indexed: 12/22/2022] Open
Abstract
We aimed at evaluating the anti-asthmatic effect of cis-[Ru(bpy)2(2-MIM)(NO)](PF6)3 (FOR811A), a nitrosyl-ruthenium compound, in a murine model of allergic asthma. The anti-asthmatic effects were analyzed by measuring the mechanical lung and morphometrical parameters in female Swiss mice allocated in the following groups: untreated control (Ctl+Sal) and control treated with FOR811A (Ctl+FOR), along asthmatic groups untreated (Ast+Sal) and treated with FOR811A (Ast+FOR). The drug-protein interaction was evaluated by in-silico assay using molecular docking. The results showed that the use of FOR811A in experimental asthma (Ast+FOR) decreased the pressure-volume curve, hysteresis, tissue elastance, tissue resistance, and airway resistance, similar to the control groups (Ctl+Sal; Ctl+FOR). However, it differed from the untreated asthmatic group (Ast+Sal, p<0.05), indicating that FOR811A corrected the lung parenchyma and relaxed the smooth muscles of the bronchi. Similar to control groups (Ctl+Sal; Ctl+FOR), FOR811A increased the inspiratory capacity and static compliance in asthmatic animals (Ast+Sal, p<0.05), showing that this metallodrug improved the capacity of inspiration during asthma. The morphometric parameters showed that FOR811A decreased the alveolar collapse and kept the bronchoconstriction during asthma. Beyond that, the molecular docking using FOR811A showed a strong interaction in the distal portion of the heme group of the soluble guanylate cyclase, particularly with cysteine residue (Cys141). In summary, FOR811A relaxed bronchial smooth muscles and improved respiratory mechanics during asthma, providing a protective effect and promising use for the development of an anti-asthmatic drug.
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Affiliation(s)
- Paula Priscila Correia Costa
- Department of Veterinary Clinics, Faculty of Veterinary, Federal University of Pelotas, Pelotas, RS, Brazil
- Department of Physiology and Pharmacology, Faculty of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
- * E-mail: (PPCC); (SBW); (WLCR)
| | - Stefanie Bressan Waller
- Department of Veterinary Clinics, Faculty of Veterinary, Federal University of Pelotas, Pelotas, RS, Brazil
- * E-mail: (PPCC); (SBW); (WLCR)
| | - Gilvan Ribeiro dos Santos
- Laboratory of Biophysics of Respiration, Superior Institute of Biomedical Sciences, State University of Ceará, Fortaleza, CE, Brazil
| | - Fladimir de Lima Gondim
- Laboratory of Biophysics of Respiration, Superior Institute of Biomedical Sciences, State University of Ceará, Fortaleza, CE, Brazil
| | - Daniel Silveira Serra
- Laboratory of Biophysics of Respiration, Superior Institute of Biomedical Sciences, State University of Ceará, Fortaleza, CE, Brazil
| | - Francisco Sales Ávila Cavalcante
- Laboratory of Biophysics of Respiration, Superior Institute of Biomedical Sciences, State University of Ceará, Fortaleza, CE, Brazil
| | - Florêncio Sousa Gouveia Júnior
- Laboratory of Bioinorganic, Department of Organic and Inorganic Chemistry, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Valdir Ferreira de Paula Júnior
- Laboratory of Biotechnology and Molecular Biology, Superior Institute of Biomedical Sciences, State University of Ceará, Fortaleza, CE, Brazil
| | - Eduardo Henrique Silva Sousa
- Laboratory of Bioinorganic, Department of Organic and Inorganic Chemistry, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Luiz Gonzaga de França Lopes
- Laboratory of Bioinorganic, Department of Organic and Inorganic Chemistry, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Wesley Lyeverton Correia Ribeiro
- Department of Physiology and Pharmacology, Faculty of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
- * E-mail: (PPCC); (SBW); (WLCR)
| | - Helena Serra Azul Monteiro
- Department of Physiology and Pharmacology, Faculty of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
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Song L, Xie L, Xu L, Jing Q, Liu C, Xi X, Wang W, Zhao Y, Zhao X, Wang H. Syntheses, spectra, photoinduced nitric oxide release and interactions with biomacromolecules of three nitrosylruthenium complexes. Polyhedron 2020. [DOI: 10.1016/j.poly.2020.114596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Lacerda Ribeiro MT, Paes Porto HK, de Oliveira DF, da Silva Castro PF, Rocha ML. Treatment with Paracetamol is not Associated with Increased Airway Sensitivity and Risk of Asthma in Rats. Curr Drug Saf 2020; 14:109-115. [PMID: 30806323 DOI: 10.2174/1574886314666190222194841] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 02/01/2019] [Accepted: 02/08/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND Some studies have linked the use of paracetamol (PAR) with adverse effects like wheezing, exacerbation of asthma symptoms and other respiratory problems. Other studies are inconclusive or deny this correlation. This makes the association between PAR and airway hypersensitivity very controversial and still under debate. OBJECTIVE This work investigated if chronic treatment with PAR in rats could directly affect the contraction and relaxation for different stimulus in isolated airways. METHODS Rats were treated for 2 weeks with PAR (400 mg/Kg, v.o.). The blood was collected for biochemical analysis (alanine aminotransferase (ALT), aspartate aminotransferase (AST), TBARs reaction and glutathione) and isolated tracheal rings were prepared in organ bath to measure isometric tone after contractile and relaxant stimulus. RESULTS Hepatic enzymes (ALT, AST) and lipid peroxidation were increased after PAR-treatment, while glutathione was decreased. Rats do not present any alteration in airway myocytes responsiveness, either to contractile or relaxant stimulus (i.e. cholinergic agonist, membrane depolarization, Ca2+ influx across sarcolemma, internal Ca2+ release from sarcoplasmic reticulum, Ca2+ channel blocking, β-agonist and NOmediating relaxation). CONCLUSION Despite increased oxidative stress and reduced antioxidant defense, chronic treatment with PAR does not induce airway hypersensitivity or risk of asthma in rats.
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Affiliation(s)
| | - Hellen Karine Paes Porto
- Faculty of Pharmacy, Federal University of Goias, Avenida Universitaria s/n, 74605-220, Goiania, Brazil
| | - Daniel Fernandes de Oliveira
- Clinical Laboratory, University Hospital, Federal University of Goias, 1ª Avenida, s/n, 74605-020, Goiania, Brazil
| | | | - Matheus Lavorenti Rocha
- Faculty of Pharmacy, Federal University of Goias, Avenida Universitaria s/n, 74605-220, Goiania, Brazil
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Abd El-Aleam RH, George RF, Lee KJ, Keeton AB, Piazza GA, Kamel AA, El-Daly ME, Hassan GS, Abdel-Rahman HM. Design and synthesis of 1,2,4-triazolo[1,5-a]pyrimidine derivatives as PDE 4B inhibitors endowed with bronchodilator activity. Arch Pharm (Weinheim) 2019; 352:e1900002. [PMID: 31353608 DOI: 10.1002/ardp.201900002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Revised: 04/17/2019] [Accepted: 05/01/2019] [Indexed: 12/30/2022]
Abstract
A series of 1,2,4-triazolo[1,5-a]pyrimidine derivatives was designed, synthesized, and screened for their phosphodiesterase (PDE 4B) inhibitory activity and bronchodilation ability. Compound 7e showed 41.80% PDE 4B inhibition at 10 µM. Eight compounds were screened for their bronchodilator activity, where compounds 7f and 7e elicited promising bronchodilator activity with EC50 values of 18.6 and 57.1 µM, respectively, compared to theophylline (EC50 = 425 µM). Molecular docking at the PDE 4B active site revealed a binding mode and docking scores comparable to those of a reference ligand, consistent with their PDE 4B inhibition activity.
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Affiliation(s)
- Rehab H Abd El-Aleam
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Nahda University, Beni Suef, Egypt
| | - Riham F George
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Kevin J Lee
- USA Mitchell Cancer Institute Drug Discovery Laboratory, University of South Alabama, Mobile, Alabama
| | - Adam B Keeton
- USA Mitchell Cancer Institute Drug Discovery Laboratory, University of South Alabama, Mobile, Alabama
| | - Gary A Piazza
- USA Mitchell Cancer Institute Drug Discovery Laboratory, University of South Alabama, Mobile, Alabama
| | - Amr A Kamel
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Minia University, El-Minia, Egypt
| | - Mahmoud E El-Daly
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Minia University, El-Minia, Egypt
| | - Ghaneya S Hassan
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt.,Pharmaceutical Chemistry Department, Faculty of Pharmacy, Badr University, Badr City, Cairo, Egypt
| | - Hamdy M Abdel-Rahman
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Nahda University, Beni Suef, Egypt.,Medicinal Chemistry Department, Faculty of Pharmacy, Assiut University, Assiut, Egypt
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7
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The Structures, Spectroscopic Properties, and Photodynamic Reactions of Three [RuCl(QN)NO] - Complexes (HQN = 8-Hydroxyquinoline and Its Derivatives) as Potential NO-Donating Drugs. Bioinorg Chem Appl 2018; 2018:7029376. [PMID: 30627138 PMCID: PMC6305033 DOI: 10.1155/2018/7029376] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Revised: 05/21/2018] [Accepted: 10/02/2018] [Indexed: 01/09/2023] Open
Abstract
The structures and spectral properties of three ruthenium complexes with 8-hydroxyquinoline (Hhqn) and their derivatives 2-methyl-8-quinolinoline (H2mqn) and 2-chloro-8-quiolinoline (H2cqn) as ligands (QN = hqn, 2mqn, or 2cqn) were calculated with density functional theory (DFT) at the B3LYP level. The UV-Vis and IR spectra of the three [RuCl(QN)NO]− complexes were theoretically assigned via DFT calculations. The calculated spectra reasonably correspond to the experimentally measured spectra. Photoinduced NO release was confirmed through spin trapping of the electron paramagnetic resonance spectroscopy (EPR), and the dynamic process of the NO dissociation upon photoirradiation was monitored using time-resolved infrared (IR) spectroscopy. Moreover, the energy levels and related components of frontier orbitals were further analyzed to understand the electronic effects of the substituent groups at the 2nd position of the ligands on their photochemical reactivity. This study provides the basis for the design of NO donors with potential applications in photodynamic therapy.
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Ramos LCB, Rodrigues FP, Biazzotto JC, de Paula Machado S, Slep LD, Hamblin MR, da Silva RS. Targeting the mitochondrial VDAC in hepatocellular carcinoma using a polyclonal antibody-conjugated to a nitrosyl ruthenium complex. J Biol Inorg Chem 2018; 23:903-916. [PMID: 29971501 PMCID: PMC6091522 DOI: 10.1007/s00775-018-1589-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Accepted: 06/23/2018] [Indexed: 12/11/2022]
Abstract
The rational design of anti-cancer agents includes a new approach based on ruthenium complexes that can act as nitric oxide (NO) donor agents against specific cellular targets. One of the most studied classes of those compounds is based on bis(bipyridine) ruthenium fragment and its derivative species. In this work, we present the chemical and cytotoxicity properties against the liver hepatocellular carcinoma cell line HepG2 of cis-[RuII(NO+)Cl(dcbpy)2]2- conjugated to a polyclonal antibody IgG (anti-VDAC) recognizing a cell surface marker. UV-visible bands of the ruthenium complex were assigned with the aid of density functional theory, which also allowed estimation of the structures that explain the biological effects of the ruthenium complex-IgG conjugate. The interaction of cis-[RuII(NO+)Cl(dcbpy)2]3- with mitochondria was evaluated due to the potential of these organelles as anti-cancer targets, and considering they interact with the anti-VDAC antibody. The cytotoxicity of cis-[RuII(NO+)Cl(dcbpy)2]3--anti-VDAC antibody was up to 80% greater in comparison to the free cis-[RuII(NO+)Cl(dcbpy)2]3- complex. We suggest that this effect is due to site-specific interaction of the complex followed by NO release.
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Affiliation(s)
- Loyanne C. B. Ramos
- Departamento de Física e Química, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brazil
| | - Fernando P. Rodrigues
- Departamento de Física e Química, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brazil
| | - Juliana C. Biazzotto
- Departamento de Física e Química, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brazil
| | - Sergio de Paula Machado
- Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21941-590, Brazil
| | - Leonardo D. Slep
- Departamento de Química Inorgánica, Analítica y Química Física and INQUIMAE, CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellón 2, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
| | - Michael R. Hamblin
- Wellman Laboratories of Photomedicine, Massachusetts General Hospital, Boston, MA 02114, USA
- Department of Dermatology, Harvard Medical School, Boston, MA 02115, USA
| | - Roberto S. da Silva
- Departamento de Física e Química, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brazil
- Wellman Laboratories of Photomedicine, Massachusetts General Hospital, Boston, MA 02114, USA
- Department of Dermatology, Harvard Medical School, Boston, MA 02115, USA
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Xu L, Ma Z, Wang W, Xie L, Liu L, Liu J, Zhao X, Wang H. Photo-induced cytotoxicity, photo-controlled nitric oxide release and DNA/human serum albumin binding of three water-soluble nitrosylruthenium complexes. Polyhedron 2017. [DOI: 10.1016/j.poly.2017.08.036] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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10
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Liu XC, Wang Q, She YS, Chen S, Luo X, Xu H, Zang DA, Zhang WJ, Qiu JY, Liu BB, Shen J, Peng YB, Zhao P, Xue L, Chen W, Ma LQ, Fu X, Chen J, Liu QH, Yu MF. Hypertonic saline inhibits airway smooth muscle contraction by inhibiting Ca 2+ sensitization. Clin Exp Pharmacol Physiol 2017; 44:1053-1059. [PMID: 28682475 DOI: 10.1111/1440-1681.12807] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2016] [Revised: 06/21/2017] [Accepted: 06/23/2017] [Indexed: 11/26/2022]
Abstract
The effects of hypertonic solution on airway smooth muscle (ASM) contraction and the underlying mechanisms are largely unknown. We found that hypertonic saline (HS) inhibited acetylcholine (ACh)-induced contraction of ASM from the mouse trachea and human bronchi. In single mouse ASM cells (ASMCs), ACh induced an increase in intracellular Ca2+ that was further enhanced by 5% NaCl, indicating that the HS-induced inhibition of ASM contraction was not mediated by a decrease in cytosolic Ca2+ . The Rho-associated kinase (ROCK) inhibitor Y-27632 relaxed ACh-induced precontraction of mouse tracheal rings. However, such inhibition was not observed after the relaxation induced by 5% NaCl. Moreover, the incubation of mouse tracheal rings with 5% NaCl decreased ACh-induced phosphorylation of myosin light chain 20 and myosin phosphatase target subunit 1. These data indicate that HS inhibits the contraction of ASM by inhibiting Ca2+ sensitization, not by decreasing intracellular Ca2+ .
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Affiliation(s)
- Xiao-Cao Liu
- Institute for Medical Biology and Hubei Provincial Key Laboratory for Protection and Application of Special Plant Germplasm in Wuling Area of China, College of Life Sciences, South-Central University for Nationalities, Wuhan, Hubei, China
| | - Qian Wang
- Institute for Medical Biology and Hubei Provincial Key Laboratory for Protection and Application of Special Plant Germplasm in Wuling Area of China, College of Life Sciences, South-Central University for Nationalities, Wuhan, Hubei, China
| | - Yu-Shan She
- Institute for Medical Biology and Hubei Provincial Key Laboratory for Protection and Application of Special Plant Germplasm in Wuling Area of China, College of Life Sciences, South-Central University for Nationalities, Wuhan, Hubei, China
| | - Shu Chen
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xi Luo
- Institute for Medical Biology and Hubei Provincial Key Laboratory for Protection and Application of Special Plant Germplasm in Wuling Area of China, College of Life Sciences, South-Central University for Nationalities, Wuhan, Hubei, China
| | - Hao Xu
- Institute for Medical Biology and Hubei Provincial Key Laboratory for Protection and Application of Special Plant Germplasm in Wuling Area of China, College of Life Sciences, South-Central University for Nationalities, Wuhan, Hubei, China
| | - Dun-An Zang
- Institute for Medical Biology and Hubei Provincial Key Laboratory for Protection and Application of Special Plant Germplasm in Wuling Area of China, College of Life Sciences, South-Central University for Nationalities, Wuhan, Hubei, China
| | - Wen-Jing Zhang
- Institute for Medical Biology and Hubei Provincial Key Laboratory for Protection and Application of Special Plant Germplasm in Wuling Area of China, College of Life Sciences, South-Central University for Nationalities, Wuhan, Hubei, China
| | - Jun-Ying Qiu
- Institute for Medical Biology and Hubei Provincial Key Laboratory for Protection and Application of Special Plant Germplasm in Wuling Area of China, College of Life Sciences, South-Central University for Nationalities, Wuhan, Hubei, China
| | - Bei-Bei Liu
- Institute for Medical Biology and Hubei Provincial Key Laboratory for Protection and Application of Special Plant Germplasm in Wuling Area of China, College of Life Sciences, South-Central University for Nationalities, Wuhan, Hubei, China
| | - Jinhua Shen
- Institute for Medical Biology and Hubei Provincial Key Laboratory for Protection and Application of Special Plant Germplasm in Wuling Area of China, College of Life Sciences, South-Central University for Nationalities, Wuhan, Hubei, China
| | - Yong-Bo Peng
- Institute for Medical Biology and Hubei Provincial Key Laboratory for Protection and Application of Special Plant Germplasm in Wuling Area of China, College of Life Sciences, South-Central University for Nationalities, Wuhan, Hubei, China
| | - Ping Zhao
- Institute for Medical Biology and Hubei Provincial Key Laboratory for Protection and Application of Special Plant Germplasm in Wuling Area of China, College of Life Sciences, South-Central University for Nationalities, Wuhan, Hubei, China
| | - Lu Xue
- Institute for Medical Biology and Hubei Provincial Key Laboratory for Protection and Application of Special Plant Germplasm in Wuling Area of China, College of Life Sciences, South-Central University for Nationalities, Wuhan, Hubei, China
| | - Weiwei Chen
- Institute for Medical Biology and Hubei Provincial Key Laboratory for Protection and Application of Special Plant Germplasm in Wuling Area of China, College of Life Sciences, South-Central University for Nationalities, Wuhan, Hubei, China
| | - Li-Qun Ma
- Institute for Medical Biology and Hubei Provincial Key Laboratory for Protection and Application of Special Plant Germplasm in Wuling Area of China, College of Life Sciences, South-Central University for Nationalities, Wuhan, Hubei, China
| | - Xiangning Fu
- Department of Thoracic, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Jingyu Chen
- Jiangsu Key Laboratory of Organ Transplantation, Department of Cardiothoracic Surgery, Lung Transplant Group, Wuxi People's Hospital, Nanjing Medical University, Wuxi, Jiangsu, China
| | - Qing-Hua Liu
- Institute for Medical Biology and Hubei Provincial Key Laboratory for Protection and Application of Special Plant Germplasm in Wuling Area of China, College of Life Sciences, South-Central University for Nationalities, Wuhan, Hubei, China
| | - Meng-Fei Yu
- Institute for Medical Biology and Hubei Provincial Key Laboratory for Protection and Application of Special Plant Germplasm in Wuling Area of China, College of Life Sciences, South-Central University for Nationalities, Wuhan, Hubei, China
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Zhao Y, Yang F, Wang J, Yu P, Pan H, Wang H, Wang J. Structural dynamics of nitrosylruthenium isomeric complexes studied with steady-state and transient pump-probe infrared spectroscopies. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2016; 166:62-67. [PMID: 27209490 DOI: 10.1016/j.saa.2016.04.055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2016] [Revised: 04/25/2016] [Accepted: 04/27/2016] [Indexed: 06/05/2023]
Abstract
The characteristic nitrosyl stretching (NO) in the region of 1800-1900cm(-1) was used to study the geometric and ligand effect on two nitrosylruthenium complexes, namely [Ru(OAc)(2QN)2NO] (QN=2-chloro-8-quinolinol (H2cqn) or QN=2-methyl-8-quinolinol (H2mqn)). The NO stretching frequency (νNO) was found in the following order: νcis-1 (2cqn)>νcis-2 (2cqn)>νcis-1 (2mqn)>νtrans (2mqn). The results exhibited a spectral sensitivity of the NO mode to both charge distribution and ligand arrangement, which was supported by ab initio computations and natural bond orbital (NBO) analyses. Further, the vibrational population of the vibrationally excited NO stretching mode was found to relax on the order of 7-10ps, showing less than 30% variation from one isomer to another, which were explained on the basis of NO local structures and solute-solvent interactions in these isomeric nitrosylruthenium complexes.
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Affiliation(s)
- Yan Zhao
- College of Physics & Electronics Engineering, Shanxi University, Taiyuan 030006, China; Molecular Reaction Dynamics Laboratory, Beijing National Laboratory for Molecular Sciences, Beijing 100190, China; Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Fan Yang
- Molecular Reaction Dynamics Laboratory, Beijing National Laboratory for Molecular Sciences, Beijing 100190, China; Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Jianru Wang
- Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China
| | - Pengyun Yu
- Molecular Reaction Dynamics Laboratory, Beijing National Laboratory for Molecular Sciences, Beijing 100190, China; Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Huifen Pan
- Key Laboratory of Energy Conversion and Storage Materials of Shanxi Provence, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China
| | - Hongfei Wang
- Key Laboratory of Energy Conversion and Storage Materials of Shanxi Provence, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China.
| | - Jianping Wang
- Molecular Reaction Dynamics Laboratory, Beijing National Laboratory for Molecular Sciences, Beijing 100190, China; Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
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