Results 21 to 30 of about 174,051,554 (284)

Ion Imaging of Native Protein Complexes Using Orthogonal Time-of-Flight Mass Spectrometry and a Timepix Detector [PDF]

, 2021
Native mass spectrometry (native MS) has emerged as a powerful technique to study the structure and stoichiometry of large protein complexes. Traditionally, native MS has been performed on modified time-of-flight (TOF) systems combined with detectors ...
Heck, A.J.R. (Albert), Heck, A.J.R., Heeren, Ron M A, Spaanderman, D.-J. (Dirk-Jan), Spaanderman, Dirk-Jan, Byelov, D. (Dimitry), Mathew, A., Dyachenko, Andrey, Porta Siegel, Tiffany, Dyachenko, A., Mathew, Anjusha, Spaanderman, D.J., Buijs, R. (Ronald), Heeren, R.M.A. (Ron), Byelov, D., Mathew, A. (Anjusha), van der Horst, J., Heck, Albert J R, Heeren, R.M.A., Siegel, T.P. (Tiffany Porta), Giskes, F.G. (Frans), Buijs, R., Eijkel, Gert B, Ellis, Shane R, Eijkel, G.B. (Gert), Dyachenko, A. (Andrey), Giskes, F., Eijkel, G.B., Siegel, T.P., Giskes, Frans, Horst, J. (Jerre) van der, Ellis, S.R. (Shane), Byelov, Dimitry, van der Horst, Jerre, Ellis, S.R., Buijs, Ronald, Sub Biomol.Mass Spectrometry & Proteom., Biomolecular Mass Spectrometry and Proteomics, Afd Biomol.Mass Spect. and Proteomics, Dimitry Byelov, Dirk-Jan Spaanderman, Anjusha Mathew, Ronald Buijs, Ron M. A. Heeren, Jerre van der Horst, Gert B. Eijkel, Albert J. R. Heck, Frans Giskes, Tiffany Porta Siegel, Shane R. Ellis, Andrey Dyachenko   +50 more
core   +1 more source

Secondary ion mass spectrometry imaging of Dictyostelium discoideum aggregation streams. [PDF]

PLoS ONE, 2014
High resolution imaging mass spectrometry could become a valuable tool for cell and developmental biology, but both, high spatial and mass spectral resolution are needed to enable this.
John Daniel DeBord, Donald F Smith, Christopher R Anderton, Ron M A Heeren, Ljiljana Paša-Tolić, Richard H Gomer, Francisco A Fernandez-Lima   +6 more
doaj   +1 more source

Identification of New Psychoactive Tryptamines 4-OH-MET and 4-AcO-DMT Using High Resolution Mass Spectrometry and Nuclear Magnetic Resonance Spectroscopy [PDF]

Fayixue Zazhi, 2021
Objective To detect the uncontrolled new psychoactive tryptamines involved in drug-related cases with high resolution mass spectrometry and nuclear magnetic resonance spectroscopy.
DING Ke-ran, NI Chun-fang, HE Si-yang, et al.
doaj   +1 more source

Effect and mechanism of organic depressant on the hydrophobicity of chalcopyrite and pyrite under weakly alkaline environment

Journal of Materials Research and Technology, 2021
In a chalcopyrite and pyrite flotation system, the effect and mechanism of organic depressant sodium dimethyl dithiocarbamate on the hydrophobicity of chalcopyrite and pyrite were studied.
Xu Bai, Jian Liu, Shuming Wen, Yilin Lin
doaj   +1 more source

Effect of benzotriazole on the existing pits of copper tube in fire sprinkler system

Heliyon, 2023
In this paper, two leaking tubes were investigated among copper tubes injected with 200 and 400 ppm benzotriazole after 8 years of usage. The electrochemical tests were conducted in simulated pit-out and pit-in environments (i.e., regions outside and ...
Eun-Ha Park, Sang-Jin Ko, Jung-Gu Kim
doaj   +1 more source

Surface Analysis by Secondary Ion Mass Spectrometry (SIMS): Principles and Applications from Swiss laboratories

CHIMIA, 2022
Secondary Ion Mass Spectrometry (SIMS) extracts chemical, elemental, or isotopic information about a localized area of a solid target by performing mass spectrometry on secondary ions sputtered from its surface by the impact of a beam of charged ...
Johanna Marin Carbonne, Andras Kiss, Anne-Sophie Bouvier, Anders Meibom, Lukas Baumgartner, Thomas Bovay, Florent Plane, Stephane Escrig, Daniela Rubatto   +8 more
doaj   +1 more source

Discrimination of prostate cancer cells and non-malignant cells using secondary ion mass spectrometry [PDF]

, 2008
This communication utilises Time-of-Flight Secondary Ion Mass Spectrometry (ToF-SIMS) combined with multivariate analysis to obtain spectra from the surfaces of three closely related cell lines allowing their discrimination based upon mass spectral ...
Lockyer, Nicholas P., Vickerman, John C., Lockyer, Nicholas P.; id_orcid, Baker, Matthew, Gazi, Ehsan, Baker, Matthew J., Brown, Michael D.; id_orcid, Brown, Michael D., Clarke, Noel W., Lockyer, Nicholas P, Clarke, Noel W, Brown, Michael D, Baker, Matthew J, Vickerman, John C   +13 more
core   +3 more sources

Spatiotemporal lipid profiling during early embryo development of Xenopus laevis using dynamic ToF-SIMS imaging

Journal of Lipid Research, 2014
Time-of-flight secondary ion mass spectrometry (ToF-SIMS) imaging has been used for the direct analysis of single intact Xenopus laevis embryo surfaces, locating multiple lipids during fertilization and the early embryo development stages with ...
Hua Tian, John S. Fletcher, Raphael Thuret, Alex Henderson, Nancy Papalopulu, John C. Vickerman, Nicholas P. Lockyer   +6 more
doaj   +1 more source

Determining the chronology of deposition of natural fingermarks and inks on paper using secondary ion mass spectrometry [PDF]

, 2014
This study thoroughly explores the use of time-of-flight secondary ion mass spectrometry (ToF-SIMS) for determining the deposition sequence of fingermarks and ink on a porous paper surface.
de Puit, Marcel, Jones, Benjamin, Ismail, Mahado, Reynolds, Alan, Ismail, M, Jones, BJ, Doodkorte, Lisette, Attard-Montalto, N, Ojeda, Jesus J., Doodkorte, L, Bailey, Melanie, Reynolds, A, Jesus Ojeda Ledo, Bailey, M, De Puit, M, Jones, B J, Attard-Montalto, Nicola, Ojeda, JJ, Ojeda, J J   +18 more
core   +1 more source

Machine-learning-enhanced time-of-flight mass spectrometry analysis

Patterns, 2021
Summary: Mass spectrometry is a widespread approach used to work out what the constituents of a material are. Atoms and molecules are removed from the material and collected, and subsequently, a critical step is to infer their correct identities based on
Ye Wei, Rama Srinivas Varanasi, Torsten Schwarz, Leonie Gomell, Huan Zhao, David J. Larson, Binhan Sun, Geng Liu, Hao Chen, Dierk Raabe, Baptiste Gault   +10 more
doaj   +1 more source