Results 51 to 60 of about 93,612 (311)

The Role of Chemotherapy in Pediatric Myoepithelial Carcinoma: A Systematic Review of the Literature

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Myoepithelial carcinoma (MEC) in pediatric patients is a rare and aggressive malignancy characterized by heterogeneous morphology and variable molecular features. The optimal role of chemotherapy remains unclear. We conducted a systematic review according to PRISMA 2020 guidelines to evaluate chemotherapy in pediatric and young‐adult patients ...
Marco Salvi, Maria Carmen Affinita, Giulia Fichera, Luisa Santoro, Angela Scagnellato, Calogero Virgone, Elena Poli, Gianni Bisogno   +7 more
wiley   +1 more source

The Development of high fidelity linearized J2 models for satellite formation flying control [PDF]

, 2005
The inclusion of the linearized J2 effect in the Hill equations of relative motion gives greater insight into satellite formation flying dynamics, and the opportunity to investigate alternative feedback control strategies for the station keeping task.
Roberts, Peter C. E., Roberts, Jennifer A.   +1 more
core  

Solar sail formation flying for deep-space remote sensing [PDF]

, 2009
In this paper we consider how 'near' term solar sails can be used in formation above the ecliptic plane to provide platforms for accurate and continuous remote sensing of the polar regions of the Earth.
Biggs, James, BIGGS, JAMES DOUGLAS, McInnes, Colin, Biggs, James D., McInnes, Colin R.   +4 more
core   +1 more source

The (Glg)ABCs of cyanobacteria: modelling of glycogen synthesis and functional divergence of glycogen synthases in Synechocystis sp. PCC 6803

FEBS Letters, EarlyView.
We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee, Dimitrios Bekiari, Sofia Doello, Karl Forchhammer   +3 more
wiley   +1 more source

Development of a relative motion model for satellite formation flying around L2 [PDF]

, 2004
Paper given at Dynamics and Control of Systems and Structures in Space (DCSSS), 6th conference, Riomaggiore, Italy, July 2004A technique for satellite formation flying modelling in LEO is applied at L2.
Roberts, Jennifer A.
core  

Telomere disruption results in non-random formation of de novo dicentric chromosomes involving acrocentric human chromosomes [PDF]

, 2010
Copyright: © 2010 Stimpson et al.Genome rearrangement often produces chromosomes with two centromeres (dicentrics) that are inherently unstable because of bridge formation and breakage during cell division. However, mammalian dicentrics, and particularly
Sullivan, Beth A., Sullivan, Beth A, Karen E. Hayden, Kaitlin M. Stimpson, Beth A Sullivan, Bridger Joanna M., Song, IY, Sullivan, BA, Ihn Young Song, Beth A. Sullivan, Karen E Hayden, Hayden, Karen E., Jauch, A, Bridger, Joanna M., Joanna M Bridger, Joanna M. Bridger, Hayden, Karen E, Song Ihn Young, Jauch, Anna, Holtgreve-Grez, Heidi, Heidi Holtgreve-Grez, Holtgreve-Grez Heidi, Stimpson, Kaitlin M, Stimpson, KM, Kaitlin M Stimpson, Anna Jauch, Bridger, JM, Jauch Anna, Bridger, Joanna M, Stimpson Kaitlin M., Sullivan Beth A., Song, Ihn Young, Hayden Karen E., Hayden, KE, Holtgreve-Grez, H, Stimpson, Kaitlin M.   +35 more
core   +1 more source

Loss of proton‐sensing TDAG8 increases tumor progression in mouse models of colon cancer

Molecular Oncology, EarlyView.
Loss of the pH‐sensing receptor TDAG8 accelerates colorectal cancer progression in mice. Animals lacking TDAG8 expression had increased tumor growth, DNA damage, and recruitment of tumor‐associated immune cells, including macrophages, neutrophils, and monocytes.
Ermanno Malagola, Yasmine Illi, Anna Bircher, Marijn Wilmink, Rachele F. Malagutti, Solenn Ottié, Cordelia Schuler, Pedro A. Ruiz, Cheryl de Vallière, Klaus Seuwen, Gerhard Rogler, Martin Hausmann   +11 more
wiley   +1 more source

Peak-Seeking Controller for Real-Time Mobile Satellite Tracking [PDF]

, 2012
Increasingly tightened restrictions on antenna beam-width force the use of higher performance hardware in gimbaled satellite communication transceivers. The need for more precise hardware is forcing the price of gimbal-mounted satellites antennas higher.
Karol, Robert Frederick
core   +1 more source

A Single-Pass Multistatic SAR Satellites Formation Design Method for TomoSAR Data Acquisition

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Synthetic aperture radar tomography (TomoSAR) enables 3-D SAR imaging. However, most spaceborne TomoSAR data are currently acquired through repeated passes of a single satellite, during which the atmospheric and deformation phases complicate processing ...
Sisi Dong, Weidong Yu, Jili Wang, Yulun Wu, Qiang Lin, Chunle Wang, Xiaoxue Jia   +6 more
doaj   +1 more source

Adaptive Backstepping Control for Satellite Formation Flying with Mass Uncertainty [PDF]

Journal of Astronomy and Space Sciences, 2006
Satellite formation flying has become a critical issue in the aerospace engineering because it is considered as an enabling technology for many space missions.
Hyung-Chul Lim, Hyochoong Bang, Sangjong Lee   +2 more
doaj   +1 more source