Search Results - "Grinberg, V."

Polarized Gamma-Ray Emission from the Galactic Black Hole Cygnus X-1 by Laurent, P., Rodriguez, J., Wilms, J., Bel, M. Cadolle, Pottschmidt, K., Grinberg, V.

“…Because of their inherently high flux allowing the detection of clear signals, black hole x-ray binaries are interesting candidates for polarization studies,…”
Get full text

THE SOFT STATE OF CYGNUS X-1 OBSERVED WITH NuSTAR: A VARIABLE CORONA AND A STABLE INNER DISK by Walton, D. J., Tomsick, J. A., Madsen, K. K., Grinberg, V., Barret, D., Boggs, S. E., Christensen, F. E., Clavel, M., Craig, W. W., Fabian, A. C., Fuerst, F., Hailey, C. J., Harrison, F. A., Miller, J. M., Parker, M. L., Rahoui, F., Stern, D., Tao, L., Wilms, J., Zhang, W.

“…ABSTRACT We present a multi-epoch hard X-ray analysis of Cygnus X-1 in its soft state based on four observations with the Nuclear Spectroscopic Telescope Array…”
Get full text

Thermodynamic insight into the thermoresponsive behavior of chitosan in aqueous solutions: A differential scanning calorimetry study by Grinberg, V.Y., Burova, T.V., Grinberg, N.V., Tikhonov, V.E., Dubovik, A.S., Moskalets, A.P., Khokhlov, A.R.

“…[Display omitted] •Chitosan thermoresponsivity is induced by glycerophosphate binding.•Binding stimulates formation of highly ordered hydrate structure of…”
Get full text

The prototype X-ray binary GX 339–4: using TeV γ-rays to assess LMXBs as Galactic cosmic ray accelerators by Kantzas, D, Markoff, S, Lucchini, M, Ceccobello, C, Grinberg, V, Connors, R M T, Uttley, P

“…ABSTRACT Since the discovery of cosmic rays (CRs) over a century ago, their origin remains an open question. Galactic CRs with energy up to the knee (1015 eV)…”
Get full text

A new lepto-hadronic model applied to the first simultaneous multiwavelength data set for Cygnus X–1 by Kantzas, D, Markoff, S, Beuchert, T, Lucchini, M, Chhotray, A, Ceccobello, C, Tetarenko, A J, Miller-Jones, J C A, Bremer, M, Garcia, J A, Grinberg, V, Uttley, P, Wilms, J

“…ABSTRACT Cygnus X–1 is the first Galactic source confirmed to host an accreting black hole. It has been detected across the entire electromagnetic spectrum…”
Get full text

Specificity and Structure of a High Affinity Activin Receptor-like Kinase 1 (ALK1) Signaling Complex by Townson, Sharon A., Martinez-Hackert, Erik, Greppi, Chloe, Lowden, Patricia, Sako, Dianne, Liu, June, Ucran, Jeffrey A., Liharska, Katia, Underwood, Kathryn W., Seehra, Jasbir, Kumar, Ravindra, Grinberg, Asya V.

“…Activin receptor-like kinase 1 (ALK1), an endothelial cell-specific type I receptor of the TGF-β superfamily, is an important regulator of normal blood vessel…”
Get full text

Soluble Endoglin Specifically Binds Bone Morphogenetic Proteins 9 and 10 via Its Orphan Domain, Inhibits Blood Vessel Formation, and Suppresses Tumor Growth by Castonguay, Roselyne, Werner, Eric D., Matthews, Robert G., Presman, Eleonora, Mulivor, Aaron W., Solban, Nicolas, Sako, Dianne, Pearsall, R. Scott, Underwood, Kathryn W., Seehra, Jasbir, Kumar, Ravindra, Grinberg, Asya V.

“…Endoglin (CD105), a transmembrane protein of the transforming growth factor β superfamily, plays a crucial role in angiogenesis. Mutations in endoglin result…”
Get full text

THE COMPLEX ACCRETION GEOMETRY OF GX 339-4 AS SEEN BY NuSTAR AND SWIFT by Fürst, F., Nowak, M. A., Tomsick, J. A., Miller, J. M., Corbel, S., Bachetti, M., Boggs, S. E., Christensen, F. E., Craig, W. W., Fabian, A. C., Gandhi, P., Grinberg, V., Hailey, C. J., Harrison, F. A., Kara, E., Kennea, J. A., Madsen, K. K., Pottschmidt, K., Stern, D., Walton, D. J., Wilms, J., Zhang, W. W.

“…ABSTRACT We present spectral analyses of five Nuclear Spectroscopic Telescope Array and Swift observations of GX 339-4 taken during a failed outburst during…”
Get full text

The X-ray spectral-timing contribution of the stellar wind in the hard state of Cyg X-1 by Lai, E V, De Marco, B, Zdziarski, A A, Belloni, T M, Mondal, S, Uttley, P, Grinberg, V, Wilms, J, Różańska, A

“…ABSTRACT The clumpy stellar wind from the companion star in high-mass X-ray binaries causes variable, partial absorption of the emission from the X-ray source…”
Get full text

High resolution X-ray spectroscopy of V4641 Sgr during its 2020 outburst by Shaw, A W, Miller, J M, Grinberg, V, Buisson, D J K, Heinke, C O, Plotkin, R M, Tomsick, J A, Bahramian, A, Gandhi, P, Sivakoff, G R

“…ABSTRACT We observed the Galactic black hole X-ray binary V4641 Sgr with the high resolution transmission gratings on Chandra during the source’s 2020…”
Get full text

Combining timing characteristics with physical broad-band spectral modelling of black hole X-ray binary GX 339–4 by Connors, R M T, van Eijnatten, D, Markoff, S, Ceccobello, C, Grinberg, V, Heil, L, Kantzas, D, Lucchini, M, Crumley, P

“…ABSTRACT GX 339–4 is a black hole X-ray binary that is a key focus of accretion studies, since it goes into outburst roughly every 2–3 yr. Tracking of its…”
Get full text

The first mm detection of a neutron star high-mass X-ray binary by van den Eijnden, J, Sidoli, L, Díaz Trigo, M, Degenaar, N, El Mellah, I, Fürst, F, Grinberg, V, Kretschmar, P, Martínez-Núñez, S, Miller-Jones, J C A, Postnov, K, Russell, T D

“…ABSTRACT Neutron stars accreting from OB supergiants are often divided between persistently and transiently accreting systems, called supergiant X-ray binaries…”
Get full text

Thermo- and pH-Sensitive Behavior of Copolymers of N-Vinylcaprolactam with N-Vinylimidazole by Vyshivannaya, O. V., Parkhomenko, E. R., Barabanova, A. I., Vorozheykina, A. V., Grinberg, N. V., Burova, T. V., Grinberg, V. Ya, Blagodatskikh, I. V.

“…Free-radical copolymerization in bulk has afforded copolymers of N -vinylcaprolactam and N ‑vinylimidazole (40–60 mol %). Thermosensitive behavior of aqueous…”
Get full text

Functionalized thermoresponsive microgels based on N-isopropylacrylamide: Energetics and mechanism of phase transitions by Grinberg, Valerij Y., Burova, Tatiana V., Grinberg, Natalia V., Buyanovskaya, Anastasiya G., Khokhlov, Alexei R., Kozhunova, Elena Yu, Vyshivannaya, Oxana V., Nasimova, Irina R.

“…[Display omitted] •Transition energetics of NIPAM-co-VSA microgels reveals their core-corona structure.•The mechanism of thermal transition in NIPAM microgels…”
Get full text

LABORATORY MEASUREMENTS OF THE K-SHELL TRANSITION ENERGIES IN L-SHELL IONS OF SI AND S by Hell, N., Brown, G. V., Wilms, J., Grinberg, V., Clementson, J., Liedahl, D., Porter, F. S., Kelley, R. L., Kilbourne, C. A., Beiersdorfer, P.

“…ABSTRACT We have measured the energies of the strongest 1s-2 transitions in He- through Ne-like silicon and sulfur ions to an accuracy of using the Lawrence…”
Get full text

Nanoscale Catalysts Based on Metal Chalcogenide Cobalt Clusters for Reduction of Oxygen in Alkaline Media by Mayorova, N. A., Grinberg, V. A.

“…Nanoscale catalysts based on cluster compounds of cobalt with tellurium and selenium Co 3 (PhTe) 5 (CO) 4 and [(C 5 HMe 4 )] 2 Co 3 (PhSe) 6 , as well as…”
Get full text

NuSTAR Spectral Analysis beyond 79 keV with Stray Light by Mastroserio, G., Grefenstette, B. W., Thalhammer, P., Buisson, D. J. K., Brumback, M. C., Ludlam, R. M., Connors, R. M. T., García, J. A., Grinberg, V., Madsen, K. K., Miyasaka, H., Tomsick, J. A., Wilms, J.

“…Abstract Due to the structure of the NuSTAR telescope, photons at a large off axis (>1°) can reach the detectors directly (stray light), without passing…”
Get full text

High resolution X-ray spectroscopy of Supergiant HMXB 4U1700−37 during the compact object eclipse by Martínez-Chicharro, M, Grinberg, V, Torrejón, J M, Schulz, N, Oskinova, L, Nowak, M, Fürst, F, Hell, N, Hainich, R

“…Abstract We present an analysis of the first observation of the iconic High Mass X-ray Binary 4U 1700−37 with the Chandra High Energy Transmission Gratings…”
Get full text

ALK1-Fc inhibits multiple mediators of angiogenesis and suppresses tumor growth by Mitchell, Dianne, Pobre, Eileen G, Mulivor, Aaron W, Grinberg, Asya V, Castonguay, Roselyne, Monnell, Travis E, Solban, Nicolas, Ucran, Jeffrey A, Pearsall, R Scott, Underwood, Kathryn W, Seehra, Jasbir, Kumar, Ravindra

“…Activin receptor-like kinase-1 (ALK1) is a type I, endothelial cell-specific member of the transforming growth factor-beta superfamily of receptors known to…”
Get full text

Characterization of the Ligand Binding Functionality of the Extracellular Domain of Activin Receptor Type IIB by Sako, Dianne, Grinberg, Asya V., Liu, June, Davies, Monique V., Castonguay, Roselyne, Maniatis, Silas, Andreucci, Amy J., Pobre, Eileen G., Tomkinson, Kathleen N., Monnell, Travis E., Ucran, Jeffrey A., Martinez-Hackert, Erik, Pearsall, R. Scott, Underwood, Kathryn W., Seehra, Jasbir, Kumar, Ravindra

“…The single transmembrane domain serine/threonine kinase activin receptor type IIB (ActRIIB) has been proposed to bind key regulators of skeletal muscle mass…”
Get full text