Meijuan Liang, Yonglei Chen, Haijuan Zhang, Xiaoying Niu, Laifang Xu, Cuiling Ren, Xingguo Chen. Water disinfection processes change the cytotoxicity of C60 fullerene: Reactions at the nano-bio interface. Toward selective, sensitive, and discriminative detection of Hg Oxidative‐Species‐Selective Materials for Diagnostic and Therapeutic Applications. The limit of detection is determined to be as low as 11 nM. Hydroxyl radicals disrupt the lipid envelope and/or capsid around the virus, causing lysing. Highly fluorescent polyethyleneimine protected Au8 nanoclusters: One-pot synthesis and application in hemoglobin detection. Chemical Etching of Bovine Serum Albumin-Protected Au25 Nanoclusters for Label-Free and Separation-Free Ratiometric Fluorescent Detection of Tris(2-carboxyethyl)phosphine. Jing Li, Jiantao Yu, Yishun Huang, Haoran Zhao. (2011)[20] shows that the interannual variability in •OH estimated from CH3CCl3 measurements is small, indicating that global •OH is generally well buffered against perturbations. As a result, the present ratiometric sensor was successfully used for bioimaging and monitoring of •OH changes in live cells upon oxidative stress. Multicolor Upconversion Nanoprobes Based on a Dual Luminescence Resonance Energy Transfer Assay for Simultaneous Detection and Bioimaging of [Ca i Hydroxyl (OH) radical is one of the most important reactive species produced by plasma-liquid interactions, and the OH in liquid phase (dissolved OH radical, OH dis) takes effect in many plasma-based applications due to its high reactivity. A gold nanocluster-based fluorescent probe for simultaneous pH and temperature sensing and its application to cellular imaging and logic gates. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. Albumin-stabilized gold nanoclusters as viable fluorescent probes in non-titrimetric iodometry for the detection of oxidizing analytes. Tongsheng Zhong, Zhifang Yin, Peiyi Gao, Shasheng Huang. Xin Wang, Ping Li, Qi Ding, Chuanchen Wu, Wen Zhang, Bo Tang. based on their different interactions with gold nanoclusters. Information about how to use the RightsLink permission system can be found at Small-Molecule-Based Fluorescent Sensors for Selective Detection of Reactive Oxygen Species in Biological Systems. CO has transitions in a region of the spectrum (wavelength < 3 mm) where there are not strong background continuum sources, but •OH has the 18 cm emission, line convenient for absorption observations. Pathogenic viruses suffer from oxidation of their surface structures. Gangqiang Yuan, Haiyuan Ding, Hongyan Sun, Liyi Zhou, Qinlu Lin. and Cu In addition, during the entire 24-hour cycle, OH is formed through the reaction between terpenes and ozone. All feed solutions were amended with pCBA (100 µg/L) as the probe for hydroxyl radical formation. Diana Andina, Jean-Christophe Leroux, Paola Luciani. Shushu Ding, Meina Li, Haoyang Gong, Qing Zhu, Guoyue Shi. Unlike superoxide, which can be detoxified by superoxide dismutase, the hydroxyl radical cannot be eliminated by an enzymatic reaction. [32] The formation of O2 occurs in the gas phase via the neutral exchange reaction between O and •OH, which is also the main sink for •OH in dense regions.[31]. •OH masers, a type of astrophysical maser, were the first masers to be discovered in space and have been observed in more environments than any other type of maser. Recent advances in ultrathin two-dimensional materials and biomedical applications for reactive oxygen species generation and scavenging. A ratiometric fluorescent probe for the detection of hydroxyl radicals in living cells. In the Milky Way, •OH masers are found in stellar masers (evolved stars), interstellar masers (regions of massive star formation), or in the interface between supernova remnants and molecular material. In 2014, researchers reported their discovery of a "hole" or absence of hydroxyl throughout the entire depth of the troposphere across a large region of the tropical West Pacific. Quantification of hydroxyl radical concentration using two chemical probes was assessed through the Fenton reaction. In addition, it has been demonstrated that the probe has a good stability against pH and light illumination, low cytotoxicity and high biocompatibility. Abstract The known photoreactions of melanin include production of melanin free radicals and oxygen consumption. These metrics are regularly updated to reflect usage leading up to the last few days. OH, known as the hydroxyl radical, consist of an unbounded hydroxyl group.. and Cd The detection of hydroxyl radicals (OH•) is typically accomplished by using reactive probe molecules, but prior studies have not thoroughly investigated the suitability of these probes for use in electrochemical advanced oxidation processes (EAOPs), due to the neglect of alternative reaction mechanisms. Hexagonal Cobalt Oxyhydroxide–Carbon Dots Hybridized Surface: High Sensitive Fluorescence Turn-on Probe for Monitoring of Ascorbic Acid in Rat Brain Following Brain Ischemia. [35] In the subsequent years •OH was observed by its rotational transitions at far infrared wavelengths, mainly in the Orion region. Materialien mit Selektivität für oxidative Molekülspezies für die Diagnostik und Therapie. Peter M. Grace, Andrew D. Gaudet, Vasiliki Staikopoulos, Steven F. Maier, Mark R. Hutchinson, Daniela Salvemini, Linda R. Watkins. Shenghao Xu, Yongyin Nie, Liping Jiang, Jun Wang, Guiyun Xu, Wei Wang. (Nature, Vol. Ratiometric ultrasensitive fluorometric detection of ascorbic acid using a dually emitting. Shenghao Xu, Xiaolin Li, Yaning Mao, Teng Gao, Xiuying Feng, Xiliang Luo. Mingtai Sun, Huan Yu, Huihui Li, Hongda Xu, Dejian Huang, and Suhua Wang . 2+ Ruiping Li, Pingping Xu, Yifeng Tu, Jilin Yan. Yeqing Xu, Xiao Wei, Hongji Li, Xudong Zheng, Kai Lu, Xiqing Liu, Kun Wang, Yongsheng Yan. 2D ratiometric fluorescent pH sensor for tracking of cells proliferation and metabolism. Yun-Tse Wu, Chandirasekar Shanmugam, Wei-Bin Tseng, Ming-Mu Hiseh, Wei-Lung Tseng. Onsite naked eye determination of cysteine and homocysteine using quencher displacement-induced fluorescence recovery of the dual-emission hybrid probes with desired intensity ratio. Li Chen, Donghao Liu, Jun Peng, Qiuzheng Du, Hua He. Hydroxyl-radical footprinting utilizes the ability of a highly reactive species to nonspecifically cleave the solvent accessible regions of a nucleic acid backbone. When combined with techniques that allow single nucleotide resolution of the resulting fragments, footprinting experiments provide richly … Related terms: Xinyue Song, Zihong Yue, Jiayu Zhang, Yanxialei Jiang, Zonghua Wang, Shusheng Zhang. The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online. Xiaoxiao Zheng, Li Li, Lina Zhang, Li Xie, Xianrang Song, Jinghua Yu. A Copper Nanocluster-Based Fluorescent Probe for Real-Time Imaging and Ratiometric Biosensing of Calcium Ions in Neurons. CO and •OH are the most easily studied candidate molecules. Many of these probes have limitations in sensitivity and/or selectivity for OH, leaving room for improvement. Sensitive detection of mercury (II) ion using wave length-tunable visible-emitting gold nanoclusters based on protein-templated synthesis. A polypeptide-mediated synthesis of green fluorescent gold nanoclusters for Fe3+ sensing and bioimaging. Interstellar •OH masers are often observed from molecular material surrounding ultracompact H II regions (UC H II). High-Quantum-Yield Mitochondria-Targeting Near-Infrared Fluorescent Probe for Imaging Native Hypobromous Acid in Living Cells and in Vivo. However, new technologies, pioneered by NASA (see Next Generation Hybrid Photo-Catalytic Oxidation (PCO) for Trace Contaminant Control (H-PCO)), have now made it possible to reproduce the outdoor effects of hydroxyl radicals indoors, enabling the continuous deactivation of viruses and bacteria, removal of toxic gases (such as ammonia, carbon monoxide and formaldehyde) and odours, and neutralisation of allergens throughout an inside space. •OH is a diatomic molecule. Hyperbranched polyamine assisted synthesis of dual-luminescent gold composite with pH responsive character. We can see that atomic oxygen takes part both in the production and destruction of •OH, so the abundance of •OH depends mainly on the H3+ abundance. Carbon nanodots from date molasses: new nanolights for the in vitro scavenging of reactive oxygen species. Challenges in paper-based fluorogenic optical sensing with smartphones. Youkun Zheng, Lanmei Lai, Weiwei Liu, Hui Jiang, Xuemei Wang. Qian Zhao, Shenna Chen, Lingyang Zhang, Haowen Huang, Fengping Liu, Xuanyong Liu. A Selective and Accurate Ratiometric Electrochemical Biosensor for Monitoring of Cu2+ Ions in a Rat Brain. But the passage of a shock wave through a molecular cloud is precisely the process which can bring the molecular gas out of equilibrium with the dust, making observations of far-infrared emission lines possible. [19] Global average hydroxyl radical concentrations have been measured indirectly by analyzing methyl chloroform (CH3CCl3) present in the air. Xiaoqiang Chen, Fang Wang, Ji Young Hyun, Tingwen Wei, Jian Qiang, Xintong Ren, Injae Shin, Juyoung Yoon. Functionalized Gold Nanoclusters Identify Highly Reactive Oxygen Species in Living Organisms. Highly Luminescent Folate-Functionalized Au Jian Wang, Yong Chang, Wen Bi Wu, Pu Zhang, Shao Qing Lie, Cheng Zhi Huang. Metal nanoclusters: novel probes for diagnostic and therapeutic applications. [8] This makes it a very dangerous compound to the organism. A Rationally Designed Upconversion Nanoprobe for in Vivo Detection of Hydroxyl Radical. Discoveries of the microwave spectra of a considerable number of molecules prove the existence of rather complex molecules in the interstellar clouds, and provides the possibility to study dense clouds, which are obscured by the dust they contain. Linlin Lu, Chongchong Feng, Jie Xu, Fengyang Wang, Haijun Yu, Zhiai Xu, Wen Zhang. Yue Cheng, Huimin Zhang, Bin Yang, Jie Wu, Yixiao Wang, Bin Ding, Jianzhong Huo, Yan Li. Hydroxyl Radical. From: Lipid Oxidation (Second Edition), 2012. Ratiometric Fluorescence Probe for Monitoring Hydroxyl Radical in Live Cells Based on Gold Nanoclusters, Department of Chemistry, Tongji University, Siping Road 1239, Shanghai 200092, People’s Republic of China. Sparks fly between ascorbic acid and iron-based nanozymes: A study on Prussian blue nanoparticles. Ratiometric fluorescence detection of superoxide anion based on. [11], Hydroxyl radicals have been shown to modify the IgE-binding capacity in pollens, spores and pet dander through the degradation and modification of the tertiary structure and/or the induction of protein denaturation and/or aggregation, resulting in a modified allergen structure. They also penetrate the virus’s interior and disrupt the genome. Highly Stable and Multiemissive Silver Nanoclusters Synthesized in Situ in a DNA Hydrogel and Their Application for Hydroxyl Radical Sensing. [X Qu, L J Kirschenbaum, E T Borish] PMID 10732448 .