Results 41 to 50 of about 5,510 (299)

Clinical Characteristics and Prognostic Risk Factors for Pediatric B‐Cell Lymphoblastic Lymphoma: A Multicenter Retrospective Cohort Study for China Net Childhood Lymphoma

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background B‐cell lymphoblastic lymphoma (B‐LBL) represents a rare variety of non‐Hodgkin lymphoma, with limited research on its biology, progression, and management. Methods A retrospective analysis was performed on the clinical characteristics of 256 patients aged ≤18 years who received treatment under the China Net Childhood Lymphoma (CNCL)‐
Zhijuan Liu   +20 more
wiley   +1 more source

Mapping the evolution of mitochondrial complex I through structural variation

open access: yesFEBS Letters, EarlyView.
Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin   +2 more
wiley   +1 more source

Centimeter-Level Precise Orbit Determination for the Luojia-1A Satellite Using BeiDou Observations

open access: yesRemote Sensing, 2020
Luojia-1A is a scientific experimental satellite operated by Wuhan University, which is the first low earth orbiter (LEO) navigation signal augmentation experimental satellite.
Lei Wang   +6 more
doaj   +1 more source

Thermospheric events in CHAMP Precise Orbit Determination

open access: yes, 2003
The accelerometer on-board the CHAMP satellite measures thermospheric events like large solar mass eruptions reaching Earth. The accelerometer data allow to replace the models for the non-conservative forces in Precise Orbit Determination (POD). The paper will discuss the impacts on POD and show some of the results.
König, R., Neumayer, K.
openaire   +3 more sources

Organoids in pediatric cancer research

open access: yesFEBS Letters, EarlyView.
Organoid technology has revolutionized cancer research, yet its application in pediatric oncology remains limited. Recent advances have enabled the development of pediatric tumor organoids, offering new insights into disease biology, treatment response, and interactions with the tumor microenvironment.
Carla Ríos Arceo, Jarno Drost
wiley   +1 more source

Reciprocal control of viral infection and phosphoinositide dynamics

open access: yesFEBS Letters, EarlyView.
Phosphoinositides, although scarce, regulate key cellular processes, including membrane dynamics and signaling. Viruses exploit these lipids to support their entry, replication, assembly, and egress. The central role of phosphoinositides in infection highlights phosphoinositide metabolism as a promising antiviral target.
Marie Déborah Bancilhon, Bruno Mesmin
wiley   +1 more source

Results and Analyses of BDS Precise Orbit Determination with the Enhancement of Fengyun-3C [PDF]

open access: yesJournal of Geodesy and Geoinformation Science, 2019
Global navigation satellite system occultation sounder (GNOS) Fengyun-3C was launched successfully on September 23, 2013, which carried GPS/BDS receiver for the first time.
Tian ZENG,Lifen SUI,Xiaolin JIA,Guofeng JI,Qinghua ZHANG
doaj   +1 more source

Two-Site Optical Observation and Initial Orbit Determination for Geostationary Earth Orbit Satellites [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2010
Optical observation system provides angle-only measurement for orbit determination of space object. Range measurement can be directly acquired using laser ranging or tone ranging system.
Jin Choi   +4 more
doaj   +1 more source

Precise orbit and baseline determination for maneuvering low earth orbiters [PDF]

open access: yesGPS Solutions, 2015
Orbital maneuvers are usually performed as needed for low earth orbiters to maintain a predefined trajectory or formation-flying configuration. To avoid unexpected discontinuities and to connect pre- and post-maneuver arcs with a minimal set of parameters, a maneuver has to be considered in the routine GPS-based orbit determinations.
Bing Ju   +5 more
openaire   +4 more sources

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