Results 41 to 50 of about 1,010,755 (292)

Applicability of condensation particle counters to measure atmospheric clusters [PDF]

, 2008
This study presents an evaluation of a pulse height condensation particle counter (PH-CPC) and an expansion condensation particle counter (E-CPC) in terms of measuring ambient and laboratory-generated molecular and ion clusters. Ambient molecular cluster
O'Dowd, Colin D., Curtius, Joachim, A. Kürten, Petäjä, Tuukka, Petäjä, T., Vartiainen, E., Manninen, Hanna Elina, Riipinen, Ilona, I. Riipinen, Junninen, H., E. Asmi, M. Kulmala, Kürten, A., Riipinen, I., Manninen, H. E., H. E. Manninen, S. Borrmann, Vartianinen, E., Kyrö, E. M., Sipilä, Mikko, K. Lehtipalo, Kürten, Christoph Andreas, M. Sipilä, Lehtipalo, Katrianne, Aalto, Pasi, E.-M. Kyrö, Kyrö, Ella-Maria, Asmi, E., Kyrö, E.-M., Borrmann, Stephan, Curtius, J., Sipilä, M., Kulmala, M., H. Junninen, J. Curtius, Aalto, P. P., Borrmann, S., Junninen, Heikki, O'Dowd, C. D., Asmi, Eija, P. P. Aalto, C. D. O'Dowd, Lehtipalo, K., T. Petäjä, Kulmala, Markku   +44 more
core   +2 more sources

Chiral separation of chloroalkanes with the chromatographic column onboard Martian rovers

FEBS Letters, EarlyView.
Computer image of the Rosalind Franklin Rover of ESA's ExoMars mission. ExoMars is scheduled to land on planet Mars in Oxia Planum in 2029. This area represents an interesting spot to look for biosignatures. Investigations of ExoMars include measurement on molecular chirality. We show that chiral chloroalkanes, that have been identified on Mars, can be
Asma Merzougui, Agnes Banreti, Armelle L. Ernst, Guillaume Leseigneur, Uwe J. Meierhenrich   +4 more
wiley   +1 more source

What can 14 CO measurements tell us about OH? [PDF]

, 2008
The possible use of 14CO measurements to constrain hydroxyl radical (OH) concentrations in the atmosphere is investigated. 14CO is mainly produced in the upper atmosphere from cosmic radiation.
Mak, J., Bergamaschi, P., Krol, M.C., Dep Natuurkunde, Meirink, J., Marine and Atmospheric Research, Meirink, J.F., Lowe, D.   +7 more
core   +2 more sources

A context‐dependent modulatory role for eIF6 in acquired resistance to vemurafenib in melanoma

FEBS Letters, EarlyView.
Acquired resistance to vemurafenib upregulates the translation factor eIF6 in melanoma cells. Silencing eIF6 in resistant cells reduces proliferation and partially restores drug sensitivity, whereas its overexpression increases sensitivity across melanoma lines regardless of BRAF status, via modulation of mTOR, S6K, and MAPK signaling.
George Kyriakopoulos, Antonia Petropoulou, Alexandra Anastogianni, Angelina Bania, Vassilis Stamatakis, Argyris Alexiou, Chi‐Ping Day, Glenn Merlino, Katerina Grafanaki, Constantinos Stathopoulos   +9 more
wiley   +1 more source

Development and Deployment of the Smart Active Ionising Radiation at Altitude (SAIRA) Instruments for Space Weather Applications

Space Weather
This paper introduces the latest generation of airborne ionising radiation monitors, developed at the Surrey Space Centre (SSC) as part of the United Kingdom's (UK's) Space Weather Instrumentation, Measurement, Modeling and Risk (SWIMMR) program.
B. Clewer, P. Morris, K. Ryden, J. O’Neill, F. Lei, F. Baird, C. Davis, C. Dyer   +7 more
doaj   +1 more source

Metastatic niche shaped by host factors influences disseminated cancer cell fate

FEBS Letters, EarlyView.
Metastasis is shaped not only by cancer cells but also by the environments they encounter. This review explores how factors such as aging, diet, the microbiome, lifestyle, and environmental exposures remodel organ‐specific niches in the lung, liver, bone, and brain, influencing where metastatic cells survive, remain dormant, or grow, and ultimately ...
Gwennan Delyth Ward, Álvaro Ruiz‐Tabas, Patricia Altea‐Manzano   +2 more
wiley   +1 more source

Interactions between apparently ‘primary’ weather-driven hazards and their cost

Environmental Research Letters, 2015
A statistical analysis of the largest weather-driven hazards in the UK contradicts the typical view that each predominates in distinct events that do not interact with those of other hazard types (i.e., are ‘primary’); this potentially has implications ...
J K Hillier, N Macdonald, G C Leckebusch, A Stavrinides   +3 more
doaj   +1 more source

A consistent molecular hydrogen isotope chemistry scheme based on an independent bond approximation [PDF]

, 2009
The isotopic composition of molecular hydrogen (H₂) produced by photochemical oxidation of methane (CH₄) and Volatile Organic Compounds (VOCs) is a key quantity in the global isotope budget of (H<sub>2 ...
Sub Atmospheric physics and chemistry, M. C. Krol, G. Pieterse, T. Röckmann, Krol, M.C., Pieterse, G., Afd Marine and Atmospheric Research, Marine and Atmospheric Research, Röckmann, T.   +8 more
core   +3 more sources

Invisible but not inaccessible—Revealing transient oligomers formed by intrinsically disordered proteins with solution NMR and complementary methods

FEBS Letters, EarlyView.
Transient oligomers formed by intrinsically disordered proteins may be ‘invisible’ to direct detection yet remain accessible to solution NMR through equilibrium‐exchange measurements and pressure‐jump experiments. Complementary methods report on mass, stoichiometry, selected distance distributions, morphology, and internal packing.
Martin D. Gelenter, Ad Bax
wiley   +1 more source

Atmospheric neutrinos [PDF]

Nuclear Physics B - Proceedings Supplements, 2000
To be published in the proceedings of TAUP99 Conference College de France - Paris 6-10 September 1999 11 pages 12 ...
openaire   +2 more sources