Skip to content

Home Search Authors Pakistan News Saved

SciRah

SciRah does not host or store research papers. Results come live from free, official scholarly APIs, and every paper links back to its original source.

Data sources

OpenAlex
Semantic Scholar
Crossref
CORE
arXiv
PubMed

Privacy policy Terms of service

J. Ujma · SciRah

Researcher profile · Semantic Scholar

J. Ujma

Share profile

J. Ujma — researcher profile on SciRah

h-index: 19
Works: 46
Citations: 1,508

Most-cited papers

A Cyclic Ion Mobility-Mass Spectrometry System.
K. Giles, J. Ujma, Jason Wildgoose, Steven Pringle +3 more
2019Analytical Chemistry439 citations Open access
Semantic Scholar
Luminescent, enantiopure, phenylatopyridine iridium-based coordination capsules.
Oleg Chepelin, J. Ujma, Xiao-Hua Wu, A. Slawin +6 more
2012Journal of the American Chemical Society158 citations Open access
Semantic Scholar
Cyclic Ion Mobility Mass Spectrometry Distinguishes Anomers and Open-Ring Forms of Pentasaccharides
J. Ujma, D. Ropartz, K. Giles, K. Richardson +4 more
2019Journal of the American Society for Mass Spectrometry122 citations Open access
Semantic Scholar
Making hybrid [n]-rotaxanes as supramolecular arrays of molecular electron spin qubits
Antonio Fernandez, J. Ferrando-Soria, E. M. Pineda, F. Tuna +8 more
2016Nature Communications88 citations Open access
Semantic Scholar
Gas Phase Stability of Protein Ions in a Cyclic Ion Mobility Spectrometry Traveling Wave Device
C. Eldrid, J. Ujma, Symeon Kalfas, N. Tomczyk +3 more
2018Analytical Chemistry86 citations Open access
Semantic Scholar
New High Resolution Ion Mobility Mass Spectrometer Capable of Measurements of Collision Cross Sections from 150 to 520 K.
J. Ujma, K. Giles, M. Morris, P. Barran
2016Analytical Chemistry58 citations Open access
Semantic Scholar
Sizing and Discovery of Nanosized Polyoxometalate Clusters by Mass Spectrometry
A. Surman, P. J. Robbins, J. Ujma, Qi Zheng +2 more
2016Journal of the American Chemical Society57 citations Open access
Semantic Scholar
Sequential, kinetically controlled synthesis of multicomponent stereoisomeric assemblies.
Oleg Chepelin, J. Ujma, P. Barran, P. Lusby
2012Angewandte Chemie51 citations Open access
Semantic Scholar
Structure determination of large isomeric oligosaccharides of natural origin through multi-pass and multi-stage cyclic traveling wave ion mobility mass spectrometry.
D. Ropartz, M. Fanuel, J. Ujma, M. Palmer +2 more
2019Analytical Chemistry49 citations
Semantic Scholar
Shapes of supramolecular cages by ion mobility mass spectrometry.
J. Ujma, Martin De Cecco, Oleg Chepelin, H. Levene +4 more
2012Chemical Communications44 citations
Semantic Scholar
Collision Cross Sections of Charge-Reduced Proteins and Protein Complexes: a Database for CCS Calibration
A. Stiving, B. Jones, J. Ujma, K. Giles +1 more
2020Analytical Chemistry42 citations Open access
Semantic Scholar
Cyclic Ion Mobility – Collision Activation Experiments Elucidate Protein Behaviour in the Gas-Phase
C. Eldrid, J. Ujma, Hannah M. Britt, T. Cragnolini +8 more
202040 citations Open access
Semantic Scholar
High-Resolution Ion Mobility Spectrometry-Mass Spectrometry of Isomeric/Isobaric Ribonucleotide Variants
Thomas Kenderdine, Reza Nemati, A. Baker, M. Palmer +6 more
2019Journal of Mass Spectrometry34 citations Open access
Semantic Scholar
UV photodissociation of trapped ions following ion mobility separation in a Q-ToF mass spectrometer.
Bruno Bellina, Jeffery M. Brown, J. Ujma, P. Murray +4 more
2014In Analysis34 citations
Semantic Scholar
Isolation of Crude Oil Peaks Differing by ~m/z 0.1 via Tandem Mass Spectrometry using a Cyclic Ion Mobility-Mass Spectrometer.
Eunji Cho, E. Riches, M. Palmer, K. Giles +2 more
2019Analytical Chemistry32 citations
Semantic Scholar
LESA Cyclic Ion Mobility Mass Spectrometry of Intact Proteins from Thin Tissue Sections
Emma K Sisley, J. Ujma, M. Palmer, K. Giles +2 more
2020Analytical Chemistry25 citations Open access
Semantic Scholar
Structurally Flexible and Solution Stable [Ln4TM8(OH)8(L)8(O2CR)8(MeOH)y](ClO4)4: A Playground for Magnetic Refrigeration.
T. Hooper, R. Inglis, G. Lorusso, J. Ujma +6 more
2016Inorganic Chemistry24 citations Open access
Semantic Scholar
Carbohydrate isomer resolution via multi-site derivatization cyclic ion mobility-mass spectrometry.
Kristin R. McKenna, Li Li, A. Baker, J. Ujma +3 more
2019In Analysis20 citations
Semantic Scholar
Mapping Isomeric Peptides Derived from Biopharmaceuticals Using High-Resolution Ion Mobility Mass Spectrometry.
N. Tomczyk, K. Giles, K. Richardson, J. Ujma +3 more
2021Analytical Chemistry19 citations
Semantic Scholar
Ion Mobility Mass Spectrometry Unveils Global Protein Conformations in Response to Conditions that Promote and Reverse Liquid–Liquid Phase Separation
Christina Glen Robb, Thuy P. Dao, J. Ujma, C. A. Castañeda +1 more
2023bioRxiv16 citations Open access
Semantic Scholar
Investigations into pesticide charge site isomers using conventional IM and cIM systems.
M. McCullagh, S. Goscinny, M. Palmer, J. Ujma
2021Talanta: The International Journal of Pure and Applied Analytical Chemistry14 citations
Semantic Scholar
Protein Unfolding in Freeze Frames: Intermediate States are Revealed by Variable-Temperature Ion Mobility–Mass Spectrometry
J. Ujma, Jacquelyn R Jhingree, Emma Norgate, R. Upton +4 more
2021Analytical Chemistry12 citations Open access
Semantic Scholar
Cyclic Ion Mobility – Collision Activation Experiments Elucidate Protein Behaviour in the Gas-Phase
C. Eldrid, Aisha Ben-Younis, J. Ujma, Hannah M. Britt +9 more
2021Journal of the American Society for Mass Spectrometry10 citations Open access
Semantic Scholar
Initial Steps of Amyloidogenic Peptide Assembly Revealed by Cold-Ion Spectroscopy.
J. Ujma, V. Kopysov, Natalia S. Nagornova, Lukasz G. Migas +5 more
2018Angewandte Chemie9 citations Open access
Semantic Scholar
Enhanced Declustering Enables Native Top-Down Analysis of Membrane Protein Complexes using Ion-Mobility Time-Aligned Fragmentation.
Kleitos Sokratous, D. Cooper-Shepherd, J. Ujma, Feng Qu +8 more
2024Journal of the American Society for Mass Spectrometry7 citations
Semantic Scholar
Collision Cross Sections of Charge-Reduced Proteins and Protein Complexes: A Database for Collision Cross Section Calibration
A. Stiving, Benjamin J Jones, J. Ujma, Kevin Giles +1 more
20207 citations Open access
Semantic Scholar
Energy-Resolved Ion Mobility Spectrometry: Composite Breakdown Curves for Distinguishing Isomeric Product Ions.
Amandine Hueber, M. Green, J. Ujma, K. Richardson +4 more
2022Journal of the American Society for Mass Spectrometry5 citations
Semantic Scholar
Improved Methods for Recording Accurate Collision Cross Sections Using Cyclic Ion Mobility-Mass Spectrometry.
Devin M. Makey, D. Langridge, K. Richardson, Ryan Schroeder +3 more
2026Journal of the American Society for Mass Spectrometry3 citations Open access
Semantic Scholar
Protein Unfolding in Freeze Frames: Intermediates of Ubiquitin and Lysozyme Revealed by Variable Temperature Ion Mobility-Mass Spectrometry
J. Ujma, Jacquelyn R Jhingree, R. Upton, Florian Benoit +2 more
20202 citations Open access
Semantic Scholar
AN IMPROVED CALIBRATION APPROACH FOR TRAVELLING WAVE ION MOBILITY SPECTROMETRY: ROBUST, HIGH-PRECISION COLLISION CROSS SECTIONS
K. Richardson, D. Langridge, Kevin Giles, S. Dixit +2 more
20192 citations
Semantic Scholar
Applying distinct CDMS strategies to observe non-classical virus capsid assembly
Lars Thiede, Anisha Haris, Tomislav Damjanović, Jocky C. K. Kung +11 more
2026bioRxiv1 citations Open access
Semantic Scholar
Structural heterogeneity and substrate engagement mechanism of the bacterial proteasome activator Bpa
Bradley T. V. Davis, Enrico Rennella, Anisha Haris, J. Ujma +5 more
2026Nature Communications1 citations Open access
Semantic Scholar
Analysis of Metallosupramolecular Assemblies Using Advanced Mass Spectrometry Techniques
J. Ujma, F. Benoit, P. Barran
20171 citations
Semantic Scholar
Resolving symmetry-masked allosteric cooperativity in the M. tuberculosis proteasome core particle
Madison Turner, Verena Wittlinger, Cristina Lento, Anisha Haris +7 more
2026bioRxiv0 citations
Semantic Scholar
A Charge Detection Mass Spectrometer for the Analysis of Megadalton-sized Molecules
J. Ujma, Chris Wheeldon, Alistair Schofield, Michael Danby +10 more
2026bioRxiv0 citations
Semantic Scholar
Conformational landscapes resolved by ion mobility mass spectrometry reveal mechanisms of polyubiquitin-controlled phase separation
Christina Glen Robb, Thuy P. Dao, J. Ujma, Carlos A. Castañeda +1 more
2026Chemical Science0 citations Open access
Semantic Scholar
Resolving hidden stoichiometries in Bacterial proteasome activator (Bpa)-substrate complexes by cryo-EM and charge detection mass spectrometry
Bradley T. V. Davis, Adwaith B. Uday, Anisha Haris, Alexander F. A. Keszei +7 more
2026bioRxiv0 citations
Semantic Scholar
Assembly and substrate engagement mechanism of the bacterial proteasome activator Bpa
Bradley T. V. Davis, Enrico Rennella, Anisha Haris, J. Ujma +5 more
2025bioRxiv0 citations
Semantic Scholar
Resolution and characteristation of protomer and radical cation species utilising a cyclic ion mobility-enabled quadrupole time-of-flight (Q-cIM-oaToF) mass spectrometer
J. Scrivens, G. Taylor, M. Palmer, J. Ujma +2 more
20190 citations
Semantic Scholar
Characterisation of intact hemoglobin variants utilising a cyclic ion mobility-enabled quadrupole time-of-flight (Q-cIM-oaToF) mass spectrometer
Ahmad Alkawi, J. Scrivens, G. Taylor, Safwan Akram +5 more
20190 citations
Semantic Scholar
Utilisation of enhanced shape selective information obtained from a cyclic ion mobility-enabled-mass spectrometer for the characterisation of complex mixtures
Javeria Mehboob, J. Scrivens, G. Taylor, Safwan Akram +6 more
20190 citations
Semantic Scholar
Gd4TM8 (TM = Zn, Cu, Ni, Co): a playground for magnetic refrigeration
G. Lorusso, T. Hooper, R. Inglis, J. Ujma +5 more
20170 citations
Semantic Scholar
Development and use of novel instrumentation for structural analysis of gaseous ions
J. Ujma
20160 citations
Semantic Scholar
Innentitelbild: Sequential, Kinetically Controlled Synthesis of Multicomponent Stereoisomeric Assemblies (Angew. Chem. 17/2012)
Oleg Chepelin, J. Ujma, P. Barran, P. Lusby
20120 citations
Semantic Scholar
Inside Cover: Sequential, Kinetically Controlled Synthesis of Multicomponent Stereoisomeric Assemblies (Angew. Chem. Int. Ed. 17/2012)
Oleg Chepelin, J. Ujma, P. Barran, P. Lusby
20120 citations Open access
Semantic Scholar
Protective properties of {open_quotes}Kamin{close_quotes}-type inhibitors in sulfuric acid media
Š. Týr, Z. A. Boboshko, J. Ujma, M. Lysakowska
19940 citations
Semantic Scholar

Frequent co-authors

Invite them to SciRah by sharing their profile.

P. Barran×15
Invite
P. Barran — researcher profile on SciRah
K. Giles×14
Invite
K. Giles — researcher profile on SciRah
Kevin Giles×11
Invite
Kevin Giles — researcher profile on SciRah
M. Palmer×9
Invite
M. Palmer — researcher profile on SciRah

×6

Invite

Anisha Haris — researcher profile on SciRah

D. Langridge×5

Invite

D. Langridge — researcher profile on SciRah

Oleg Chepelin×5

Invite

Oleg Chepelin — researcher profile on SciRah

Invite

P. Lusby — researcher profile on SciRah

David P. Bruton×5

Invite

David P. Bruton — researcher profile on SciRah

K. Richardson×4

Invite

K. Richardson — researcher profile on SciRah

Invite

N. Tomczyk — researcher profile on SciRah

Keith Richardson×4

Invite

Keith Richardson — researcher profile on SciRah