16 papers · ranked by Valyu relevance
Giovanni Baccolo, Biagio Di Mauro, Dario Massabò, Massimiliano Clemenza + 6 more
Cryoconite, the typical sediment found on the surface of glaciers, is mainly known in relation to its role in glacial microbiology and in altering the glacier albedo. But if these aspects are relatively well addressed, the same cannot be said about the geochemical properties of cryoconite and the possible interactions…
Alexandre M. Anesio, Stefanie Lutz, Nathan A. M. Chrismas, Liane G. Benning
Glaciers and ice sheets, like other biomes, occupy a significant area of the planet and harbour biological communities with distinct interactions and feedbacks with their physical and chemical environment. In the case of the glacial biome, the biological processes are dominated almost exclusively by microbial…
Jun Uetake, Naoko Nagatuska, Yukihiko Onuma, Nozomu Takeuchi + 2 more
Cryoconite granules, which are dark-colored biological aggregates on glaciers, effectively accelerate the melting of glacier ice. Bacterial community varies with granule size, however, community change in space and their susceptibility to environmental factors has not been described yet. Therefore, we focused on…
Francesca Pittino, Michael Seeger, Roberto Azzoni, Roberto Ambrosini + 1 more
Cryoconite holes, ponds full of melting water with a sediment on the bottom, are hotspot of biodiversity of glacier surface. They host a metabolically active bacterial community that is involved in different dynamics concerning glacier ecosystems. Indeed, they are responsible of organic matter production and with other…
Jon Telling, Alexandre M. Anesio, Martyn Tranter, Andrew G. Fountain + 6 more
'Thomas Nylen' 'Jon Hawkings' 'Virendra B. Singh' 'Preeti Kaur' 'Michaela Musilova' 'Jemma L. Wadham'] The seasonal melting of ice entombed cryoconite holes on McMurdo Dry Valley glaciers provides oases for life in the harsh environmental conditions of the polar desert where surface air temperatures only occasionally…
Dylan B. Beard, Giovanni Baccolo, Caroline C. Clason, Geoffrey E. Millward + 6 more
Environmental Radioactivity on the Surface of a High Arctic Ice Cap (Flade Isblink, NE Greenland) Authors: Dylan B. Beard, Giovanni Baccolo, Caroline C. Clason, Geoffrey E. Millward, Edyta Łokas, Elena Di Stefano, Sally Rangecroft, Dariusz Sala, Przemysław Wachniew, William H. Blake Under climatic warming, glaciers are…
Andrea Franzetti, Federico Navarra, Ilario Tagliaferri, Isabella Gandolfi + 7 more
'Isabella Gandolfi' 'Giuseppina Bestetti' 'Umberto Minora' 'Roberto Sergio Azzoni' 'Guglielmina Diolaiuti' 'Claudio Smiraglia' 'Roberto Ambrosini' 'Lorenzo Brusetti'] We investigated the potential contribution of ice-marginal environments to the microbial communities of cryoconite holes, small depressions filled with…
Malgorzata Peszynska, Praveeni Mathangadeera, Madison Phelps, Forrest Felsch + 1 more
In this paper we extend models of thermal conduction with phase transition from micro- to macro-scale. Such models were previously developed for soils in permafrost regions from pore to Darcy scale, and the Darcy scale models compare well to empirical relationships. The new general model blends soil model with bulk…
Eveline Ultee, Fred Schenkel, Wen Yang, Susanne Brenzinger + 2 more
The field of cryo-electron microscopy is a rapidly growing method in structural biology. With this development, access to cryo-EM facilities becomes a bottleneck that results in long wait times between sample preparation and data acquisition. To improve sample storage, we developed a cryo-storage system with a more…
B. M. Guerreiro, J. C. Lima, J. C. Silva, F. Freitas
The emergence of gel-forming, ice-binding polysaccharides as potential candidates in cryobiology and the discovery of new structure–function relationships has fueled a knowledge convergence effort. Several polysaccharides have shown strong biological post-thaw benefits in cell cryopreservation despite some expressing…
Zongqi Guo, Nikolas Zuchowicz, Jessica Bouwmeester, Amey S. Joshi + 9 more
'Amanda L. Neisch' 'Kieran Smith' 'Jonathan Daly' 'Michael L. Etheridge' 'Erik B. Finger' 'Suhasa B. Kodandaramaiah' 'Thomas S. Hays' 'Mary Hagedorn' 'John C. Bischof'] Title: Abstract Vitrification-based cryopreservation is a promising approach to achieving long-term storage of biological systems for maintaining…
V. Parma
This paper aims to give non-expert engineers and scientists working in the domain of accelerators a general introduction to the main disciplines and technologies involved in the design and construction of accelerator cryostats. Far from being an exhaustive coverage of these topics, an attempt is made to provide simple…
A. Coppolecchia, L. Lamagna, S. Masi, P. A. R. Ade + 17 more
'E. S. Battistelli' 'P. de Bernardis' 'F. Columbro' 'L. Conversi' 'G. D’Alessandro' 'M. De Petris' 'M. Gervasi' 'F. Nati' 'L. Nati' 'A. Paiella' 'F. Piacentini' 'G. Pisano' 'G. Presta' 'A. Schillaci' 'C. Tucker' 'M. Zannoni'] The 3He refrigerator provides the 0.3 K operation temperature for the four arrays of kinetic…
M. Hollister, Ram Dhuley, G. Tatkowski
The need for larger mK cooling platforms is being driven by the desire to host ever growing numbers of cryogenic qubits in quantum computing platforms. As part of the Superconducting Quantum Materials and Systems Center at Fermilab funded through the Department of Energy under the National Quantum Initiative, we are…
Suyeon Yang, Machi Takeuchi, Rick Joosten, John van Duynhoven + 2 more
Lipid oxidation is a major cause of product deterioration in protein stabilised oil-in-water food emulsions. The impact of protein emulsifiers on lipid oxidation and the stability depends on the specific type of protein emulsifiers used and the redox conditions in the emulsion. However, the exact impact of these…
Soheil Mojiri, Joseph M. Dobbs, Niko Faul, Thomas P. Burg + 2 more
Cryogenic correlative light and electron microscopy (cryo-CLEM) is an imaging strategy that integrates specific molecular labeling and molecular resolution structural information. However, there is a resolution gap of more than two orders of magnitude between diffraction-limited fluorescence microscopy and electron…