[K(18-crown-6)][FeCp*(CO)2]
نویسندگان
چکیده
منابع مشابه
There is a unique crossing-minimal rectilinear drawing of K18
We show that, up to isomorphism, there is a unique crossing-minimal rectilinear drawing of K18. As a consequence we settle, in the negative, the following question from Aichholzer and Krasser: does there always exist an crossing-minimal drawing of Kn that contains a crossing-minimal drawing of Kn−1?
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An experimental system to explore central tolerance in humans is unavailable. However, the human endogenous retrovirus K-18 (HERV-K18) region on chromosome 1 provides an excellent model: HERV-K18 encodes a superantigen (SAg) stimulating Vbeta7CD4 T cells that is implicated in type 1 diabetes and Epstein-Barr virus persistence. In this study, we have addressed thymic HERV-K18 SAg expression, the...
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Metal free ceramic restorations have increased in demand due to their superior esthetics and more resemblance to the natural teeth, more so now that metal-free biocompatible options are preferred. Although porcelain fused to metal crowns are also used owing to less tooth structure loss in their preparation, the metal portion shows through the marginal area giving a blue-gray, cyanotic appearanc...
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ژورنال
عنوان ژورنال: IUCrData
سال: 2016
ISSN: 2414-3146
DOI: 10.1107/s2414314616008816