The HFL/b tumor cell line, induced by Friend erythroleukemia virus in BALB.B mice, was used to study the relation between virus production or nonproduction and the antigens recognized by Friend virus-specific cytolytic T lymphocytes (CTL). Analysis of clones and subclones of these tumor cells revealed a high degree of heterogeneity with respect to the production and release into culture fluids ...

To research rumor diffusion in social friend network, based on interests, a dynamic friend network is proposed, which has the characteristics of clustering and community, and a diffusion model is also proposed. With this friend network and rumor diffusion model, based on the zombie-city model, some simulation experiments to analyze the characteristics of rumor diffusion in social friend network...

Emotional support from family and friends is associated with lower psychological distress. This study examined whether genetic and environmental influences explain associations among family support, friend support, and psychological distress. Data were drawn from the Midlife Development in the United States (MIDUS) study and included 947 pairs of MZ, same-sex DZ, and opposite-sex DZ twins. Resu...

The WKA/Mk rat tumors induced by Friend virus complex, Rauscher virus complex, and their associated lymphatic leukemia viruses were investigated for their antigenic relationhips with transplantation experiments and cytotoxicity tests. It was found that Friend lymphatic leukemia virus-induced tumors lacked part of the tumor-associated transplantation antigens (TATA's) on Friend virus complex-ind...

Friend virus-induced reticulum cell sarcomas arising in BALB/c and BDF1 mice were grown in tissue culture and tested for the presence of Friend virus. Repeated tests in newborn BALB/c mice failed to detect infectious virus. Immunization with tissue cultures failed to protect mice against challenge with Friend virus or to induce detectable neutralizing antibody to the virus. Electron microscopy ...

Friend-to-friend (F2F) overlays, which restrict direct communication to mutually trusted parties, are a promising substrate for privacy-preserving communication due to their inherent membership-concealment and Sybilresistance. Yet, existing F2F overlays suffer from a low performance, are vulnerable to denial-of-service attacks, or fail to provide anonymity. In particular, greedy embeddings allo...

The privacy concerns associated with the popularity of online social networks have given rise to numerous research papers which focus on either storing the data in encrypted form, or decentralizing the network. However, without the incentive of being able to read private data, a centralized system cannot be sustained. A decentralized network does not rely on such incentives and can continue to ...

The rapid growth of peer-to-peer networks and social networking websites has demonstrated the internet’s potential as a medium for grassroots collaboration. This report describes ongoing research into the use of friend-to-friend overlay networks for censorship-resistant communication. Decentralised mechanisms for resource allocation, unforgeable acknowledgements and adaptive routing are propose...

Ofer Manor, Leslie Y. Yeo and James R. Friend Journal of Fluid Mechanics / Volume 707 / September 2012, pp 482 ­ 495 DOI: 10.1017/jfm.2012.293, Published online: 20 July 2012 Link to this article: http://journals.cambridge.org/abstract_S0022112012002935 How to cite this article: Ofer Manor, Leslie Y. Yeo and James R. Friend (2012). The appearance of boundary layers and drift flows due to high­f...

Let E be a compact set of positive logarithmic capacity in the complex plane and let {Pn(z)}1 be a sequence of asymptotically extremal monic polynomials for E in the sense that lim sup n→∞ ∥Pn∥ E ≤ cap(E). The purpose of this note is to provide sufficient geometric conditions on E under which the (full) sequence of normalized counting measures of the zeros of {Pn} converges in the weak-star top...