نتایج جستجو برای: pulsed DC PACVD
تعداد نتایج: 90026 فیلتر نتایج به سال:
This paper is an attempt to synthesize nanostructured tantalum films on medical grade AISI 316L stainless steel (SS) using pulsed DC plasma assisted chemical vapor deposition (PACVD). The impact of duty cycle (17-33%) and total pressure (3-10 torr) were studied using field emission scanning electron microscopy (FESEM), grazing incidence x-ray diffraction (GIXRD), nuclear reaction analysis (NRA)...
In this work, TiN/TiCN & PN/TiCN multilayer films were deposited by plasma- assisted chemical vapour deposition (PACVD). Plasma nitriding (PN) and TiN intermediate layer prior to coating leads to appropriate hardness gradient and it can greatly improve the mechanical properties of the coating. The composition, crystalline structure and phase of the films were investigated by X-ray d...
Immunization with defined tumor antigens is currently limited to a small number of cancers where candidates for tumor rejection antigens have been identified. In this study we investigated whether pulsing dendritic cells (DC) with tumor-derived RNA is an effective way to induce CTL and tumor immunity. DC pulsed with in vitro synthesized chicken ovalbumin (OVA) RNA were more effective than OVA p...
We report here that immunization of human PBMC reconstituted SCID mice (hu-PBL-SCID mice) with in vitro cultured autologous dendritic cells (DC) pulsed with prostate specific antigen (PSA) complexed to a PSA-specific mouse IgG2a (PSA-IgG2a) consistently and reproducibly stimulates PSA-specific human IgG production. On day 0, female PBMC were used to reconstitute SCID mice and to generate DC in ...
Transparent p-type semiconducting SrCu2O2 films have been deposited by RF magnetron sputtering under unbalanced bipolar pulsed DC bias on low-alkali glass substrates in a mixed gas of 1% H2/Ar below 400 degrees C. The pulsed DC bias voltages to substrate were varied from 0 V to -200 V with a frequency of 350 kHz. The effect of pulsed DC bias on the structure and electrical and optical propertie...
Bone marrow (BM)-derived dendritic cells (DC) are potent stimulators of naive CD4+ T cell activation. Because DC are efficient at Ag processing and could potentially present self Ags, we investigated the role of DC in the presentation of an encephalitogenic peptide from myelin basic protein (Ac1-11) in the induction of experimental autoimmune encephalomyelitis (EAE). To determine if DC could pr...
Figure 7. ␣-GalCer/DC/IL-21 combination mediates extremely potent suppression of tumor metastases. Groups of five C57BL/6 WT mice were injected i.v. with 5 ϫ 10 5 B16F10 tumor cells. Mice were treated: (A and C) on day 4 i.v. with 5 ϫ 10 5 ␣-GalCer–pulsed DC (ϩ) or vehicle-pulsed DC (Ϫ) and on day 7 i.v. with 20 g of either pORF or pIL21 DNA plasmid as indicated; and (B and D) on day 8 i.v. wi...
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