Publications Peer reviewed articles (47) Mass Spectrometry Imaging Shows Modafinil, A Student Study Drug, Changes the Lipid Composition of the Fly Brain. Author(s): Mai H. Philipsen; Elias Ranjbari; Chaoyi Gu; Andrew G. Ewing Published in: Angewandte Chemie (International Ed. in English), Issue 2, 2021, Page(s) N/A, ISSN 1433-7851 Publisher: John Wiley & Sons Ltd. DOI: 10.1002/anie.202105004 Nanoscale Amperometry Reveals that Only a Fraction of Vesicular Serotonin Content is Released During Exocytosis from Beta Cells Author(s): Amir Hatamie, Lin Ren, Haiqiang Dou, Nikhil R. Gandasi, Patrik Rorsman, Andrew Ewing Published in: Angewandte Chemie International Edition, Issue 60/14, 2021, Page(s) 7593-7596, ISSN 1433-7851 Publisher: John Wiley & Sons Ltd. DOI: 10.1002/anie.202015902 Nanoelectrochemical analysis inside a single living cell Author(s): Xinwei Zhang, Amir Hatamie, Andrew G. Ewing Published in: Current Opinion in Electrochemistry, Issue 22, 2020, Page(s) 94-101, ISSN 2451-9103 Publisher: Elsevier DOI: 10.1016/j.coelec.2020.05.008 Quantifying Intracellular Single Vesicular Catecholamine Concentration with Open Carbon Nanopipettes to Unveil the Effect of L-DOPA on Vesicular Structure. Author(s): Andrew G. Ewing; Keke Hu; Kim Long Le Vo; Amir Hatamie Published in: Angewandte Chemie, Issue 1, 2021, Page(s) N/A, ISSN 0044-8249 Publisher: John Wiley & Sons Ltd. DOI: 10.1002/ange.202113406 Localization and Absolute Quantification of Dopamine in Discrete Intravesicular Compartments Using NanoSIMS Imaging Author(s): Stefania Rabasco; Tho D. K. Nguyen; Chaoyi Gu; Michael E. Kurczy; Nhu T. N. Phan; Andrew G. Ewing Published in: International Journal of Molecular Sciences; Volume 23; Issue 1; Pages: 160, Issue 1, 2021, Page(s) N/A, ISSN 1422-0067 Publisher: Multidisciplinary Digital Publishing Institute (MDPI) DOI: 10.3390/ijms23010160 Characterization of Stress Granule Protein Turnover in Neuronal Progenitor Cells Using Correlative STED and NanoSIMS Imaging Author(s): Stefania Rabasco; Alicia A. Lork; Emmanuel Berlin; Tho D. K. Nguyen; Carl Ernst; Nicolas Locker; Andrew G. Ewing; Nhu T. N. Phan Published in: International Journal of Molecular Sciences, Issue 1, 2023, Page(s) N/A, ISSN 1422-0067 Publisher: Multidisciplinary Digital Publishing Institute (MDPI) DOI: 10.3390/ijms24032546 Correlating Molecule Count and Release Kinetics with Vesicular Size Using Open Carbon Nanopipettes Author(s): Keke Hu, Rui Jia, Amir Hatamie, Kim Long Le Vo, Michael V. Mirkin, Andrew G. Ewing Published in: Journal of the American Chemical Society, Issue 142/40, 2020, Page(s) 16910-16914, ISSN 0002-7863 Publisher: American Chemical Society DOI: 10.1021/jacs.0c07169 Electrochemical Quantification of Neurotransmitters in Single Live Cell Vesicles Shows Exocytosis is Predominantly Partial Author(s): Ying Wang, Andrew Ewing Published in: ChemBioChem, Issue 22/5, 2021, Page(s) 807-813, ISSN 1439-4227 Publisher: John Wiley & Sons Ltd. DOI: 10.1002/cbic.202000622 Anionic Species Regulate Chemical Storage in Nanometer Vesicles and Amperometrically Detected Exocytotic Dynamics Author(s): Xiulan He; Andrew G. Ewing Published in: ACS Chemical Neuroscience, Issue 15, 2022, Page(s) N/A, ISSN 1948-7193 Publisher: American Chemical Society DOI: 10.1021/jacs.2c00581 Chemical Analysis of Single Cells and Organelles Author(s): Keke Hu, Tho D. K. Nguyen, Stefania Rabasco, Pieter E. Oomen, Andrew G. Ewing Published in: Analytical Chemistry, Issue 93/1, 2021, Page(s) 41-71, ISSN 0003-2700 Publisher: American Chemical Society DOI: 10.1021/acs.analchem.0c04361 Single-Vesicle Electrochemistry Following Repetitive Stimulation Reveals a Mechanism for Plasticity Changes with Iron Deficiency. Author(s): Ying Wang; Chaoyi Gu; Andrew G. Ewing Published in: Angewandte Chemie International Edition, Issue 4, 2022, Page(s) N/A, ISSN 1433-7851 Publisher: John Wiley & Sons Ltd. DOI: 10.1002/anie.202200716 Mass Spectrometric Imaging of Plasma Membrane Lipid Alteration Correlated with Amperometrically Measured Activity-Dependent Plasticity in Exocytosis Author(s): Chaoyi Gu, Mai H. Philipsen, Andrew G. Ewing Published in: International Journal of Molecular Sciences, Issue 21/24, 2020, Page(s) 9519, ISSN 1422-0067 Publisher: Multidisciplinary Digital Publishing Institute (MDPI) DOI: 10.3390/ijms21249519 Zinc Deficiency Leads to Lipid Changes in Drosophila Brain Similar to Cognitive‐Impairing Drugs: An Imaging Mass Spectrometry Study Author(s): Mai H. Philipsen, Chaoyi Gu, Andrew G. Ewing Published in: ChemBioChem, Issue 21/19, 2020, Page(s) 2755-2758, ISSN 1439-4227 Publisher: John Wiley & Sons Ltd. DOI: 10.1002/cbic.202000197 Electrochemical and Mass Spectrometric Measurement of Enhanced Intravesicular Catecholamine Content and Exocytotic Frequency at Subanaesthetic Ketamine Doses Author(s): Zhaoying Wang; Xiulan He; Kim Long Le Vo; Andrew G. Ewing Published in: Chemistry – A European Journal, Issue 6, 2021, Page(s) N/A, ISSN 0947-6539 Publisher: John Wiley & Sons Ltd. DOI: 10.1002/anse.202100026 Vesicular release dynamics are altered by the interaction between the chemical cargo and vesicle membrane lipids. Author(s): Farzaneh Asadpour; Farzaneh Asadpour; Xin-Wei Zhang; Mohammad Mazloum-Ardakani; Meysam Mirzaei; Soodabeh Majdi; Andrew G. Ewing Published in: Chemical Science, Issue 1, 2021, Page(s) N/A, ISSN 2041-6520 Publisher: Royal Society of Chemistry DOI: 10.1039/d1sc02247d Electrochemical measurements reveal reactive oxygen species in stress granules Author(s): Keke Hu; Emily Relton; Nicolas Locker; Nhu T. N. Phan; Andrew G. Ewing Published in: Angewandte Chemie (International Ed. in English), Issue 13, 2021, Page(s) N/A, ISSN 1433-7851 Publisher: John Wiley & Sons Ltd. DOI: 10.1002/anie.202104308 Dysfunction of vesicular storage in young-onset Parkinson's patient-derived dopaminergic neurons and organoids revealed by single cell electrochemical cytometry. Author(s): Wanying Zhu; Mengdan Tao; Yuan Hong; Shanshan Wu; Chu Chu; Zhilong Zheng; Xiao Han; Qian Zhu; Min Xu; Andrew G. Ewing; Xing Guo; Yan Liu Published in: Chemical Science, Issue 9, 2022, Page(s) N/A, ISSN 2041-6520 Publisher: Royal Society of Chemistry DOI: 10.1039/d2sc00809b Dynamic Visualization and Quantification of Single Vesicle Opening and Content by Coupling Vesicle Impact Electrochemical Cytometry with Confocal Microscopy Author(s): Ying-Ning Zheng; Tho D. K. Nguyen; Johan Dunevall; Nhu T. N. Phan; Andrew G. Ewing Published in: ACS Measurement Science Au, Issue 1, 2021, Page(s) N/A, ISSN 1948-7193 Publisher: American Chemical Society DOI: 10.1021/acsmeasuresciau.1c00021 Counteranions in the Stimulation Solution Alter the Dynamics of Exocytosis Consistent with the Hofmeister Series Author(s): Xiulan He, Andrew G. Ewing Published in: Journal of the American Chemical Society, Issue 142/29, 2020, Page(s) 12591-12595, ISSN 0002-7863 Publisher: American Chemical Society DOI: 10.1021/jacs.0c05319 Intracellular injection of phospholipids directly alters exocytosis and the fraction of chemical release in chromaffin cells as measured by nano-electrochemistry Author(s): Mohaddeseh Aref, Elias Ranjbari, Armaghan Romiani, Andrew G. Ewing Published in: Chemical Science, Issue 11/43, 2020, Page(s) 11869-11876, ISSN 2041-6520 Publisher: Royal Society of Chemistry DOI: 10.1039/d0sc03683h Concentration of stimulant regulates initial exocytotic molecular plasticity at single cells Author(s): Xiulan He; Andrew G. Ewing Published in: Chemical Science, Issue 16, 2022, Page(s) N/A, ISSN 2041-6520 Publisher: Royal Society of Chemistry DOI: 10.1039/d1sc05278k Subcellular Mass Spectrometry Imaging and Absolute Quantitative Analysis across Organelles Author(s): Aurélien Thomen, Neda Najafinobar, Florent Penen, Emma Kay, Pratik P. Upadhyay, Xianchan Li, Nhu T. N. Phan, Per Malmberg, Magnus Klarqvist, Shalini Andersson, Michael E. Kurczy, Andrew G. Ewing Published in: ACS Nano, Issue 14/4, 2020, Page(s) 4316-4325, ISSN 1936-0851 Publisher: American Chemical Society DOI: 10.1021/acsnano.9b09804 Pore-Opening Dynamics of Single Nanometer Biovesicles at an Electrified Interface. Author(s): Xinwei Zhang; Andrew G. Ewing Published in: ACS Chemical Neuroscience, Issue 11, 2022, Page(s) N/A, ISSN 1948-7193 Publisher: American Chemical Society DOI: 10.1021/acsnano.2c03929 Vesicle Impact Electrochemical Cytometry to Determine Carbon Nanotube-Induced Fusion of Intracellular Vesicles. Author(s): Amir Hatamie; Lin Ren; Xin-Wei Zhang; Andrew G. Ewing Published in: ACS Chemical Neuroscience, Issue 10, 2021, Page(s) N/A, ISSN 1948-7193 Publisher: American Chemical Society DOI: 10.1021/acs.analchem.1c01462 Anticancer Drug Tamoxifen Affects Catecholamine Transmitter Release and Storage from Single Cells Author(s): Zahra Taleat, Anna Larsson, Andrew G. Ewing Published in: ACS Chemical Neuroscience, Issue 10/4, 2019, Page(s) 2060-2069, ISSN 1948-7193 Publisher: American Chemical Society DOI: 10.1021/acschemneuro.8b00714 Dopamine Release Dynamics in the Tuberoinfundibular Dopamine System Author(s): Stefanos Stagkourakis, Johan Dunevall, Zahra Taleat, Andrew G. Ewing, Christian Broberger Published in: The Journal of Neuroscience, Issue 39/21, 2019, Page(s) 4009-4022, ISSN 0270-6474 Publisher: Society for Neuroscience DOI: 10.1523/jneurosci.2339-18.2019 Extracellular ATP Regulates the Vesicular Pore Opening in Chromaffin Cells and Increases the Fraction Released During Individual Exocytosis Events Author(s): Soodabeh Majdi, Anna Larsson, Neda Najafinobar, Ricardo Borges, Andrew G. Ewing Published in: ACS Chemical Neuroscience, Issue 10/5, 2019, Page(s) 2459-2466, ISSN 1948-7193 Publisher: American Chemical Society DOI: 10.1021/acschemneuro.8b00722 Combined Amperometry and Electrochemical Cytometry Reveal Differential Effects of Cocaine and Methylphenidate on Exocytosis and the Fraction of Chemical Release Author(s): Wanying Zhu, Chaoyi Gu, Johan Dunevall, Lin Ren, Xuemin Zhou, Andrew G. Ewing Published in: Angewandte Chemie, Issue 131/13, 2019, Page(s) 4282-4286, ISSN 0044-8249 Publisher: John Wiley & Sons Ltd. DOI: 10.1002/ange.201813717 Interplay between Cocaine, Drug Removal, and Methylphenidate Reversal on Phospholipid Alterations in Drosophila Brain Determined by Imaging Mass Spectrometry Author(s): Mai Hoang Philipsen, Nhu T. N. Phan, John Stephen Fletcher, Andrew G. Ewing Published in: ACS Chemical Neuroscience, Issue 11/5, 2020, Page(s) 806-813, ISSN 1948-7193 Publisher: American Chemical Society DOI: 10.1021/acschemneuro.0c00014 Spatial Lipidomics Reveals Region and Long Chain Base Specific Accumulations of Monosialogangliosides in Amyloid Plaques in Familial Alzheimer’s Disease Mice (5xFAD) Brain Author(s): Ibrahim Kaya, Eva Jennische, Johan Dunevall, Stefan Lange, Andrew G. Ewing, Per Malmberg, Ahmet Tarik Baykal, John S. Fletcher Published in: ACS Chemical Neuroscience, Issue 11/1, 2020, Page(s) 14-24, ISSN 1948-7193 Publisher: American Chemical Society DOI: 10.1021/acschemneuro.9b00532 Mass spectrometry imaging as a novel approach to measure hippocampal zinc Author(s): Masoumeh Dowlatshahi Pour, Lin Ren, Eva Jennische, Stefan Lange, Andrew G. Ewing, Per Malmberg Published in: Journal of Analytical Atomic Spectrometry, Issue 34/8, 2019, Page(s) 1581-1587, ISSN 0267-9477 Publisher: Royal Society of Chemistry DOI: 10.1039/c9ja00199a Vesicular Transmitter Content in Chromaffin Cells Can Be Regulated via Extracellular ATP Author(s): Anna Larsson, Soodabeh Majdi, Ricardo Borges, Andrew Ewing Published in: ACS Chemical Neuroscience, Issue 10/11, 2019, Page(s) 4735-4740, ISSN 1948-7193 Publisher: American Chemical Society DOI: 10.1021/acschemneuro.9b00494 Altered Lipid Composition of Secretory Cells Following Exposure to Zinc Can Be Correlated to Changes in Exocytosis Author(s): Lin Ren, Masoumeh Dowlatshahi Pour, Per Malmberg, Andrew G. Ewing Published in: Chemistry – A European Journal, Issue 25/21, 2019, Page(s) 5406-5411, ISSN 0947-6539 Publisher: John Wiley & Sons Ltd. DOI: 10.1002/chem.201900010 Intracellular Electrochemical Nanomeasurements Reveal that Exocytosis of Molecules at Living Neurons is Subquantal and Complex Author(s): Anna Larsson, Soodabeh Majdi, Alexander Oleinick, Irina Svir, Johan Dunevall, Christian Amatore, Andrew G. Ewing Published in: Angewandte Chemie International Edition, 2020, ISSN 1433-7851 Publisher: John Wiley & Sons Ltd. DOI: 10.1002/anie.201914564 Plasticity in exocytosis revealed through the effects of repetitive stimuli affect the content of nanometer vesicles and the fraction of transmitter released Author(s): Chaoyi Gu, Anna Larsson, Andrew G. Ewing Published in: Proceedings of the National Academy of Sciences, Issue 116/43, 2019, Page(s) 21409-21415, ISSN 0027-8424 Publisher: National Academy of Sciences DOI: 10.1073/pnas.1910859116 Using Single-Cell Amperometry and Intracellular Vesicle Impact Electrochemical Cytometry To Shed Light on the Biphasic Effects of Lidocaine on Exocytosis Author(s): Daixin Ye, Chaoyi Gu, Andrew Ewing Published in: ACS Chemical Neuroscience, Issue 9/12, 2018, Page(s) 2941-2947, ISSN 1948-7193 Publisher: American Chemical Society DOI: 10.1021/acschemneuro.8b00130 Amperometric Measurements and Dynamic Models Reveal a Mechanism for How Zinc Alters Neurotransmitter Release Author(s): Lin Ren, Alexander Oleinick, Irina Svir, Christian Amatore, Andrew G. Ewing Published in: Angewandte Chemie International Edition, Issue 59/8, 2020, Page(s) 3083-3087, ISSN 1433-7851 Publisher: John Wiley & Sons Ltd. DOI: 10.1002/anie.201913184 On-Tissue Chemical Derivatization of Catecholamines Using 4-( N -Methyl)pyridinium Boronic Acid for ToF-SIMS and LDI-ToF Mass Spectrometry Imaging Author(s): Ibrahim Kaya, Steffen M. Brülls, Johan Dunevall, Eva Jennische, Stefan Lange, Jerker Mårtensson, Andrew G. Ewing, Per Malmberg, John S. Fletcher Published in: Analytical Chemistry, Issue 90/22, 2018, Page(s) 13580-13590, ISSN 0003-2700 Publisher: American Chemical Society DOI: 10.1021/acs.analchem.8b03746 Simultaneous Quantification of Vesicle Size and Catecholamine Content by Resistive Pulses in Nanopores and Vesicle Impact Electrochemical Cytometry Author(s): Xin-Wei Zhang, Amir Hatamie, Andrew G. Ewing Published in: Journal of the American Chemical Society, Issue 142/9, 2020, Page(s) 4093-4097, ISSN 0002-7863 Publisher: American Chemical Society DOI: 10.1021/jacs.9b13221 Nano-analysis Reveals High Fraction of Serotonin Release during Exocytosis from a Gut Epithelium Model Cell. Author(s): Ying Wang; Chaoyi Gu; Bhavik Anil Patel; Andrew G. Ewing Published in: Angewandte Chemie (International Ed. in English), Issue 7, 2021, Page(s) N/A, ISSN 1433-7851 Publisher: John Wiley & Sons Ltd. DOI: 10.1002/ange.202108193 Direct Acquisition of the Gap Height of Biological Tissue-Electronic Chemical Sensor Interfaces. Author(s): Xin‐Wei Zhang; Amir Hatamie; Andrew G. Ewing Published in: Angewandte Chemie, Issue 1, 2022, Page(s) N/A, ISSN 0044-8249 Publisher: John Wiley & Sons Ltd. DOI: 10.1002/anie.202210224 Comparison of Disk and Nanotip Electrodes for Measurement of Single-Cell Amperometry during Exocytotic Release Author(s): Chaoyi Gu, Xinwei Zhang, Andrew G. Ewing Published in: Analytical Chemistry, Issue 92/15, 2020, Page(s) 10268-10273, ISSN 0003-2700 Publisher: American Chemical Society DOI: 10.1021/acs.analchem.0c02013 Potentiometric pH Nanosensor for Intracellular Measurements: Real-Time and Continuous Assessment of Local Gradients. Author(s): Mohaddeseh Aref; Elias Ranjbari; Juan José García-Guzmán; Keke Hu; Alicia Lork; Gastón A. Crespo; Andrew G. Ewing; Maria Cuartero Published in: ACS Chemical Neuroscience, Issue 17, 2021, Page(s) N/A, ISSN 1948-7193 Publisher: American Chemical Society DOI: 10.1021/acs.analchem.1c03874 Simultaneous detection of vesicular content and exocytotic release with two electrodes in and at a single cell Author(s): Chaoyi Gu; Andrew G. Ewing Published in: Chemical Science, Issue 3, 2021, Page(s) N/A, ISSN 2041-6520 Publisher: Royal Society of Chemistry DOI: 10.1039/d1sc01190a Direct Measurement of Total Vesicular Catecholamine Content with Electrochemical Microwell Arrays Author(s): Elias Ranjbari, Zahra Taleat, Mokhtar Mapar, Mohaddeseh Aref, Johan Dunevall, Andrew Ewing Published in: Analytical Chemistry, Issue 92/16, 2020, Page(s) 11325-11331, ISSN 0003-2700 Publisher: American Chemical Society DOI: 10.1021/acs.analchem.0c02010 Simultaneous Counting of Molecules in the Halo and Dense‐Core of Nanovesicles by Regulating Dynamics of Vesicle Opening Author(s): Xiulan He; Andrew G. Ewing Published in: Angewandte Chemie International Edition, Issue 12, 2022, Page(s) N/A, ISSN 1433-7851 Publisher: John Wiley & Sons Ltd. DOI: 10.1002/ange.202116217 Visualization of Partial Exocytotic Content Release and Chemical Transport into Nanovesicles in Cells. Author(s): Tho Duc Khanh Nguyen; Lisa Mellander; Alicia Lork; Aurélien Thomen; Mai Philipsen; Michael E. Kurczy; Nhu T.N. Phan; Andrew G. Ewing Published in: ACS Chemical Neuroscience, Issue 8, 2022, Page(s) N/A, ISSN 1948-7193 Publisher: American Chemical Society DOI: 10.1021/acsnano.2c00344 Searching for OpenAIRE data... There was an error trying to search data from OpenAIRE No results available
