Patients undergoing IST received either equine ALG or ATG in combination with steroids and cyclosporine. Primary engraftment was seen in 25 children (83.3%), with acute graft-versus-host disease (aGvHD) in 5 (16.6%). The day 100 transplant-related mortality (TRM) was 30% and at a median follow up of 36 months (range: 6-197), the overall and disease-free survival is 70%. Among children who received IST, 60 children received ALG while 10 received ATGAM. Responses were seen in 27 children (43.5%), which was complete (CR) in 12 and partial (PR) in 15. At a median follow up of 38 months (range: 1-84), the overall survival is 37.1%, with 81.4% survival among
responders and < 10% survival among non-responders. HSCT would be the treatment of choice in children with severe aplastic anemia who have a human leukocyte antigen (HLA)-matched related donor and Dibutyryl-cAMP is superior to IST in this series from
“Magnetic properties and microstructures of L1(1) (Co50-xCux)Pt-50 films sputter-deposited at 350 degrees C on MgO(111) substrates are reported. The addition of Cu significantly improves the alignment of c-axis and chemical ordering. Perpendicular coercivity (H-c perpendicular to) also increases markedly from 0.1 to 1.9 kOe while in-plane coercivity declines from 0.5 to 0.07 kOe for the 20 nm thick films at x = 26. Similar phenomena are observed with larger effects for the 50 nm thick films. The coercive mechanism is attributed to domain-wall pinning
produced by the compositional Selleckchem Ruboxistaurin segregation of nanoscaled nonmagnetic Cu-rich and magnetic Co-rich regions within a coherent L1(1) crystal domain. Therefore, an intermediate value of H-c perpendicular to can be obtained from this hardening mechanism when further microstructure modifications are enforced, which largely increases the potential for the use in spintronic devices or patterned media. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3520662]“
“We produced microfibrillated cellulose P005091 molecular weight by passing carboxymethylated sulfite-softwood-dissolving pulp with a relatively low hemicellulose content (4.5%) through a high-shear homogenizer. The resulting gel was subjected to as many as three additional homogenization steps and then used to prepare solvent-cast films. The optical, mechanical, and oxygen-barrier properties of these films were determined. A reduction in the quantity and appearance of large fiber fragments and fiber aggregates in the films as a function of increasing homogenization was illustrated with optical microscopy, atomic force microscopy, and scanning electron microscopy. Film opacity decreased with increasing homogenization, and the use of three additional homogenization steps after initial gel production resulted in highly transparent films.