User profiles for Mark Roper

Mark Roper

University of Amsterdam
Verified email at uva.nl
Cited by 41

Senescence: why and where selection gradients might not decline with age

M Roper, P Capdevila… - Proceedings of the …, 2021 - royalsocietypublishing.org
Patterns of ageing across the tree of life are much more diverse than previously thought. Yet,
we still do not adequately understand how, why and where across the tree of life a …

Open-source health information technology: A case study of electronic medical records

H Safadi, D Chan, M Dawes, M Roper… - Health Policy and …, 2015 - Elsevier
Objectives Open-source software (OSS) has achieved widespread adoption in many domains
such as server operating systems, enterprise tools, and databases. We review the status …

Ultrafast science and development at the Artemis facility

…, F Frassetto, S Bonora, MD Roper - … on Optics: Micro-to …, 2010 - spiedigitallibrary.org
The Artemis facility for ultrafast XUV science is constructed around a high average power
carrier-envelope phasestabilised system, which is used to generate tuneable pulses across a …

Soft X-ray induced excited spin state trapping and soft X-ray photochemistry at the iron L 2, 3 edge in [Fe (phen) 2 (NCS) 2] and [Fe (phen) 2 (NCSe) 2](phen= 1, 10 …

…, CM McGrath, JFW Mosselmans, MD Roper… - Journal of the …, 1997 - pubs.rsc.org
The first observation of soft X-ray induced excited spin state trapping has been made for [Fe(phen)2(NCS)2]
and [Fe(phen)2(NCSe)2] (phen = 1,10-phenanthroline) at ca. 45 K, …

First measurements for the simultaneous sorption of Difluoromethane and Pentafluoroethane mixtures in ionic liquids using the Integral Mass Balance method

KR Baca, DP Broom, MG Roper… - Industrial & …, 2022 - ACS Publications
Multicomponent absorption measurements are notoriously difficult both experimentally and
analytically, which is why the literature is lacking information, even though the results are …

[HTML][HTML] Insect bio-inspired neural network provides new evidence on how simple feature detectors can enable complex visual generalization and stimulus location …

M Roper, C Fernando, L Chittka - PLoS computational biology, 2017 - journals.plos.org
The ability to generalize over naturally occurring variation in cues indicating food or
predation risk is highly useful for efficient decision-making in many animals. Honeybees have …

Bumblebees retrieve only the ordinal ranking of foraging options when comparing memories obtained in distinct settings

C Solvi, Y Zhou, Y Feng, Y Lu, M Roper, L Sun… - Elife, 2022 - elifesciences.org
Are animals’ preferences determined by absolute memories for options (eg reward sizes) or
by their remembered ranking (better/worse)? The only studies examining this question …

Optimal care for rheumatoid arthritis: a focus group study

…, J Legaré, M Zummer, T Meagher, C Mill, M Roper… - Clinical …, 2010 - Springer
Our study sought to identify barriers to optimal care for individuals with rheumatoid arthritis (RA).
Our study was set in a population with universal access to comprehensive health care in …

Separation of Azeotropic Hydrofluorocarbon Refrigerant Mixtures: Thermodynamic and Kinetic Modeling for Binary Adsorption of HFC-32 and HFC-125 on Zeolite 5A

AD Yancey, DP Broom, MG Roper, MJ Benham… - Langmuir, 2022 - ACS Publications
Hydrofluorocarbons (HFCs) have been used extensively as refrigerants over the past four
decades; however, HFCs are currently being phased out due to large global warming …

[HTML][HTML] High-speed videography reveals how honeybees can turn a spatial concept learning task into a simple discrimination task by stereotyped flight movements …

M Guiraud, M Roper, L Chittka - Frontiers in psychology, 2018 - frontiersin.org
Honey bees display remarkable visual learning abilities, providing insights regarding visual
information processing in a miniature brain. It was discovered that bees can solve a task that …