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Microvascular free tissue transfer for gene delivery: in vivo evaluation of different routes of plasmid and adenoviral delivery
Transfer of healthy autologous tissue as a microvascular free flap facilitates reconstruction during ablative cancer surgery. In addition to filling surgical defects, free flaps might concentrate viral vectors...
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Inflammatory tumour cell killing by oncolytic reovirus for the treatment of melanoma
Reovirus is a promising unmodified double-stranded RNA (dsRNA) anti-cancer oncolytic virus, which is thought to specifically target cells with activated Ras. Although reovirus has been tested in a wide range o...
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Characterization of the adaptive and innate immune response to intravenous oncolytic reovirus (Dearing type 3) during a phase I clinical trial
There is an emerging realization from animal models that the immune response may have both detrimental and beneficial therapeutic effects during cancer virotherapy. However, there is a dearth of clinical data ...
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Escherichia coli nitroreductase plus CB1954 enhances the effect of radiotherapy in vitro and in vivo
Escherichia coli nitroreductase (NTR) converts the prodrug CB1954 (5-(aziridin-1-yl)-2,4-dinitrobenzamide) into a bifunctional alkylating agent that causes DNA crosslinks. In this study, the ability of NTR to enh...
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Article
Effects of Processing on Fiber/Matrix Interfaces in Ni3Al/Sapphire Single Crystal Composites
Composites consisting of Ni3Al modified with Zr, Fe, and B (IC-50) reinforced with continuous sapphire single crystal fibers have been prepared by vacuum hot pressing foil/fiber multilayers. Previous research det...
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Foreword
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The Effect of Bulk Boron Level on its Segregation to Grain Boundaries in Substoichiometric Ni3Al
It is well established that the grain boundary strength (and thus the ductility) of polycrystalline Ni3Al is a function of the level of boron segregated to su h boundaries. This paper presents some Auger Electron...
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Evaluation of the effects of segregation on austenite grain boundary energy in Fe-C-X alloys
A scanning Auger microprobe study has been made of the segregation of substitutional alloying elements to austenite grain boundaries in Fe-C-X alloys (where X = Mn, Ni, Si, Co, and Mo). The grain boundary enri...
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The Segregation of Boron and Its Effect on the Fracture of An Ni3Si Based Alloy
It is now well established that microalloying additions of B to Ni3Al drastically reduce low temperature grain boundary fracture and consequently increase the ductility of this intermetallic compound. One possibl...
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On the improvement of creep strength and ductility of Ni-20 pct Cr by small zirconium additions
The creep and fracture properties of high-purity Ni-20 pct Cr and Ni-20 pct Cr-0.11 pct Zr alloys are compared at 1073 K in vacuum. The Ni-20 pct Cr alloy cavitates at the grain boundaries and fractures interg...
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Weldability of Ni3Al-Type Aluminide Alloys
If the ductile Ni3Al-based aluminides are to achieve their full potential as engineering materials, they must demonstrate a capability for being joined by conventional welding processes. The goal of this study wa...
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Design of Ductile Polycrystalline Ni3Al Alloys
This paper provides a comprehensive review of current efforts on design of ductile polycrystalline Ni3Al alloys. Microalloying has proven to be very effective in alleviating the grain-boundary emibrittlement prob...
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The Role of Trace Elements and Interfaces in Creep Failure
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High temperature embrittlement of NI and Ni-Cr alloys by trace elements
The effects of Sb, Sn, and Zr additions on the creep properties of Ni and Ni + 20 pct Cr are reported. Antimony and tin additions (~1 wt pct) induce extensive grain boundary cavitation in nickel, while smaller...
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Boron Segregation to Grain Boundaries and Improved Ductility in Pt + 30 Wt Pct Rh + 8WtPctW
Boron additions of up to 75 wt ppm have been observed to improve the room temperature strength and ductility of a Pt + 30 wt pct Rh + 8 wt pct W alloy. Alloys without boron fail intergranularly, and those with...
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On the mechanism of intergranular embrittlement by phosphorus in transformer steel
Transformer steel (Fe-6 at. pct Si) was doped with varying amounts of phosphorus and given an embrittling step-cool heat treatment. Auger electron spectroscopy was used to determine that large increases in int...
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Sulfur segregation to grain boundaries in Ni3Al and Ni3(AI,Ti) alloys
The segregation of S to grain boundaries in Ni3Al and Ni3(Al, Ti) has been studied using Auger electron spectroscopy. The S concentration at the grain boundaries decreases more slowly with increasing temperature ...
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The spectrum of binding energies approach to grain boundary segregation
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Influence of crystallography on aspects of solid-solid nucleation theory
Expressions for the major variables in the general rate equation for solid-solid nucleation were developed on the basis of various models of the critical nucleus shape during homogeneous and heterogeneous nucl...