78 Result(s)

Article

Representation of Racial and Ethnic Minority Populations in Dementia Prevention Trials: A Systematic Review

Despite older racial and ethnic minorities (REMs) being more likely to develop dementia they are underrepresented in clinical trials focused on neurological disorders. Inclusion of REMs in dementia prevention ...

A. R. Shaw, J. Perales-Puchalt, E. Johnson… in The Journal of Prevention of Alzheimer's D… (2022)

Chapter and Conference Paper

High-Charge XUV Vortex Beam: Generation and Hartmann Wavefront Sensor Characterization

In this , we  the  of high charge  structure of an OAM beam  through high-harmonic  in a rare gas using an XUV Hartmann  sensor. We show that the phase-  absorption high-  generation is  to retain th...

F. Sanson, A. K. Pandey, F. Harms, G. Dovillaire, E. Baynard… in X-Ray Lasers 2018 (2020)

Article

Acquired uniparental disomy in chromosome 6p as a feature of relapse after T-cell replete haploidentical hematopoietic stem cell transplantation using cyclophosphamide tolerization

D Grosso, E Johnson, B Colombe, O Alpdogan, M Carabasi… in Bone Marrow Transplantation (2017)

Article

Epitaxy of semiconductor–superconductor nanowires

Controlling the properties of semiconductor/metal interfaces is a powerful method for designing functionality and improving the performance of electrical devices. Recently semiconductor/superconductor hybrids ...

P. Krogstrup, N. L. B. Ziino, W. Chang, S. M. Albrecht, M. H. Madsen… in Nature Materials (2015)

Article

High-Fluence Implantation of Erbium into Silicon-Germanium Alloys: Structural and Thermal Properties

High-quality crystalline Si_1-xGe_x (x=0.10 and 0.25) alloys were implanted with 70 keV Er⁺ ions at temperatures of 350°C and 550°C to a fluence of 10¹⁵ cm⁻². In-situ Rutherford backscattering/channeling (RBS) anal...

V. Touboltsev, J. Räisänen, E. Johnson, A. Johansen… in MRS Online Proceedings Library (2011)

Article

Interfacial properties of immiscible Co–Cu alloys

Using electromagnetic levitation under microgravity conditions, the interfacial properties of an Cu₇₅Co₂₅ alloy have been investigated in the liquid phase. This alloy exhibits a metastable liquid miscibility gap ...

I. Egry, L. Ratke, M. Kolbe, D. Chatain, S. Curiotto… in Journal of Materials Science (2010)

Article

Investigation of Photon Redistribution in High Temperature Photonic Crystal Structures

We have simulated the angle-dependent absorption and thermal emittance of two dimensional metallic and metallodielectric photonic crystals (PCs) with rigorous scattering matrix methods- where Maxwell’s equatio...

W. Zhao, R. Biswas, I. Puscasu, A. Greenwald, E. Johnson in MRS Online Proceedings Library (2009)

Article

Ovarian hyperstimulation induces centrosome amplification and aneuploid mammary tumors independently of alterations in p53 in a transgenic mouse model of breast cancer

Aneuploidy and genomic instability are common features of human cancers, including breast cancer; however, mechanisms by which such abnormalities develop are not understood. The exquisite dependence of the mam...

E L Milliken, K L Lozada, E Johnson, M D Landis, D D Seachrist, I Whitten… in Oncogene (2008)

Chapter and Conference Paper

Catalytic soot oxidation studied by Environmental Transmission Electron Microscopy

At present, the awareness of soot abatement in the exhaust from diesel engines is increasing due to new environmental legislation for exhaust specifications. An attractive approach for effective soot removal i...

S. B. Simonsen, S. Dahl, E. Johnson… in EMC 2008 14th European Microscopy Congress… (2008)

Chapter and Conference Paper

Microstructure of slow-cooled wedge-cast Cu₅₈Co₄₂ alloy with a metastable liquid miscibility gap

The Cu-Co equilibrium phase diagram (figure 1) contains a metastable liquid phase miscibility gap where the liquid phase will separate into two, provided it can be undercooled sufficiently before solidificatio...

E. Johnson, S. Curiotto, N. Pryds… in EMC 2008 14th European Microscopy Congress… (2008)

Chapter and Conference Paper

Microstructure of (112) GaAs nanorods grown by MBE

Semiconductor nanorods of GaAs have been grown by MBE technique on (100) GaAs wafers. Au nanoparticles acting as nucleation and catalyst sites were made on the oxide free wafers by evaporation at 660 °C. After...

E. Johnson, S. A. Jensen, L. P. Hansen… in EMC 2008 14th European Microscopy Congress… (2008)

Article

In situ electron microscopy study of the thermal motion of liquid lead nanoparticles in thin aluminum foils

The kinetics of thermal motion of liquid lead nanoparticles in thin aluminum foils has been investigated in situ by transmission electron microscopy. Dependences of the diffusion coefficient of particles on te...

S. I. Prokofjev, V. M. Zhilin, E. Johnson… in Bulletin of the Russian Academy of Science… (2007)

Article

Microlens fabrication using an etched glass master

This paper presents a micromachining technique to fabricate microlenses using an etched glass master. The isotropic etching profile of the glass master was utilized for microlens replication. The master was tr...

P. Zhang, G. Londe, J. Sung, E. Johnson, M. Lee, H. J. Cho in Microsystem Technologies (2007)

Article

Particle production in nuclear collisions over a broad centrality range from the PHOBOS experiment

The PHOBOS collaboration has studied the pseudorapidity and transverse momentum distributions of charged particles produced in heavy ion collisions. Results from Au+Au collisions at various center-of-mass ener...

B. Alver, B. B. Back, M. D. Baker, M. Ballintijn… in Czechoslovak Journal of Physics (2006)

Article

Undercooling and demixing of copper-based alloys

Since the beginning of materials science research under microgravity conditions immiscible alloys have been an interesting subject. New possibilities to investigate such systems are offered by containerless pr...

M. Kolbe, J. Brillo, I. Egry, D. M. Herlach… in Microgravity - Science and Technology (2006)