Results 91 to 100 of about 702,524 (252)

The Dilemma of the Rapid Variations in CO₂ in Greenland Ice Cores (Abstract) [PDF]

, 1988
Stauffer and others (1984) observed in the Greenland ice core from Dye 3 CO2 variations between low values in the range of 180-200 ppm volume and higher values in the range of 240-260 ppm volume, over a period tentatively dated to 30 000-40 000 years B.P.
B. Stauffer, Neftel, A., A. Neftel, H. Oeschger, T. Staffelbach, Staffelbach, T., Oeschger, H., Stauffer, B.   +7 more
core   +1 more source

Peripheral Neutrophil Activation and Extracellular Trap Formation in Amyotrophic Lateral Sclerosis

Annals of Clinical and Translational Neurology, EarlyView.
Markers of neutrophil activation are increased in plasma during ALS, and markers of NET formation associate with ALS survival. ABSTRACT Objectives Peripheral neutrophil levels in amyotrophic lateral sclerosis (ALS) inversely correlate with survival, suggesting a role for neutrophils in disease progression.
Lillia A. Baird, Haley McQuown, Jihyun Park, Samuel J. Teener, Ian F. Webber‐Davis, Andrew D. Carter, Dae‐Gyu Jang, Eva L. Feldman, Stephen A. Goutman, Benjamin J. Murdock   +9 more
wiley   +1 more source

Spatial and temporal variability in the snowpack of a High Arctic ice cap: implications for mass-change measurements [PDF]

, 2008
Interpretation of ice mass elevation changes observed by satellite altimetry demands quantification of the proportion of elevation change which is attributable to variations in firn densification.
Bell, Christina, Burgess, David, Mair, Douglas, Demuth, Michael, Sharp, Martin, Demuth M, Bell C, Wadham J, Bingham, Robert, Mair D, Bingham R, Jacka J, Cawkwell, Fiona, Wadham, Jemma, Cawkwell F, Burgess D, Sharp M   +16 more
core   +1 more source

Culturable bacteria isolated from seven high-altitude ice cores on the Tibetan Plateau

Journal of Glaciology, 2019
Microorganisms are the most abundant organisms on Earth, and microbial abundance records preserved in ice cores have been connected to records of environmental change.
YONGQIN LIU, JOHN C. PRISCU, TANDONG YAO, TRISTA J. VICK-MAJORS, ALEXANDER B. MICHAUD, LIANG SHENG   +5 more
doaj   +1 more source

Plasma EV Proteomics Identifies ECM Remodeling and Inflammatory Proteins LUM and C7 as Candidate Biomarkers in FSHD

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Facioscapulohumeral muscular dystrophy (FSHD) is one of the most debilitating and common muscular dystrophies. Despite its severity, no approved therapy exists for FSHD patients. However, several therapeutic candidates are currently under development, and some have recently entered clinical trials, marking the need for reliable ...
Mustafa Bilal Bayazit, Chiranth K. Nagaraj, Jackson S. Newell, Kim Truc Nguyen, Xilal Y. Rima, Jacob Doon‐Ralls, Eduardo Reátegui, Jeffrey M. Statland, Rabi Tawil, Kevin M. Flanigan, Scott Q. Harper, Nizar Y. Saad   +11 more
wiley   +1 more source

Integrated PANoptosis Profiling Identifies Immunosuppressive Subtypes and a Prognostic Signature With Functional Validation of MLKL in Glioblastoma

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective The prognosis of glioblastoma (GBM) remains highly unfavorable, largely due to high tumor heterogeneity and an immunosuppressive microenvironment. However, the functional role of PANoptosis in this context is poorly understood. Methods Patients were stratified via K‐means clustering. A risk score model was constructed using prognosis‐
Langfei Tian, Minghui Zhao, Yuanbo Hu, Kaiyue Wang, Haiguang Liu, Zetong Bai, Kebin Zheng   +6 more
wiley   +1 more source

Methane concentration in ice cores: A tool to reveal firn-ice properties and past climate changes [PDF]

, 2006
Polar ice sheets provide an archive of ancient air trapped in small air bubbles that can be analyzed directly for its composition. Deep ice core drillings in Antarctica and Greenland penetrated more than 3’000 m in the ice and provided mostly undisturbed
Spahni, Renato
core  

Optimization of high-resolution continuous flow analysis for transient climate signals in ice cores [PDF]

, 2011
Over the past two decades, continuousflow analy-sis (CFA) systems have been refined and widely used to measureaerosol constituents in polar and alpine ice cores in very high-depthresolution.
Bigler, Matthias, Nielsen, Maibritt E., Maibritt E. Nielsen, Jørgen Peder Steffensen, Steffensen, Jørgen Peder, Vallelonga, Paul, Nielsen, Maibritt, Svensson, Anders, Ernesto Kettner, Matthias Bigler, Anders Svensson, Kettner, Ernesto, Vallelonga, Paul Travis, Paul Vallelonga   +13 more
core   +2 more sources

Consistency of the orbital chronologies derived for Vostok and EPICA DC ice cores based on the dependence of ice air content on local insolation

Лëд и снег
Total air content (TAC) is a multi­proxy property of polar ice, which is thought to contain evidence of past changes in local insolation, summer temperature, meteorological conditions, and the elevation of glaciersat the site of ice formation.
V. A. Khomyakova, N. A. Tebenkova, V. Ya. Lipenkov, D. Raynaud   +3 more
doaj   +1 more source

Stage‐Dependent β‐Synuclein Links MRI and Cognitive Decline in Alzheimer's Disease

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Synaptic degeneration drives cognitive decline in Alzheimer's disease (AD), but synaptic biomarkers are scarce. Brain‐enriched β‐synuclein emerged as a synaptic damage marker. We investigated its diagnostic, prognostic, and structural correlates across the AD continuum.
Ulaş Ay, Merve Alaylioglu, Erdi Sahin, Sanem Sultan Yoruk Oner, Gulce Iskan, Gulce Cosku Yilmaz Cakan, Gozde Kizilates‐Evin, Emre Hari, Elif Kurt, Erdinc Dursun, Basar Bilgic, Hasmet Hanagasi, Hakan Gurvit, Tamer Demiralp, Duygu Gezen‐Ak, Bedia Samanci   +15 more
wiley   +1 more source