1,721,008 research outputs found
Caratterizzazione di una nuova emoproteina del lievito S. cerevisiae espressa in E. coli.
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The evolution of modularity and architectural innovation: Web-enabled collective development of a tangible artifact
No full textCan a web-based community of peers autonomously engage in architectural innovation and develop tangible products? We present a theoretical framework that builds upon the idea of product modularisation as a knowledge management tool enabling community collaboration. The framework consists of a community meta-model and a product meta-model; some mechanisms enabling collective innovation are also presented as part of the framework. We then apply the theoretical framework to the real case of a high-performance human powered watercraft showing how the community was able to innovate the artefact evolving its modular architecture
Analisi funzionale di un gene di Saccharomyces cerevisiae che codifica una protein chinasi a struttura particolare
No full textEvaluation of Feasibility and Impact of Attacks against the 6top Protocol in 6TiSCH Networks
Full text linkThe 6TiSCH architecture has been gaining attraction as a promising solution to ensure reliability and security for communication in applications for the Industrial Internet of Things (IIoT). While many different aspects of the architecture have been investigated in literature, an in-depth analysis of the security features included in its design is still missing. In this paper, we assess the security vulnerabilities of the 6top protocol, a core component of the 6TiSCH architecture for enabling network nodes to negotiate communication resources. Our analysis highlights two possible attacks against the 6top protocol that can impair network performance and reliability in a significant manner. To prove the feasibility of the attacks in practice, we implemented both of them on the Contiki-NG Operating System and tested their effectiveness on a simple deployment with three Zolertia RE-Mote sensor nodes. Also, we carried out a set of simulations using Cooja in order to assess their impact on larger networks. Our results show that both attacks reduce reliability in the overall network and increase energy consumption of the network nodes
Functional analysis of two genes encoding respectively a novel hemoglobin and a novel protein kinase of Saccharomyces cerevisiae
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