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Mohammad Karimi

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Articles

Mechanisms of MCM2–7 helicase activation and initial DNA melting at near base-pair resolution

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By Christopher Weekes, Lia Willerding, Sanjay Khadayate, Korbinian Liebl, Audrey Mossler, àlex Montoya, Vanessa Rauthe, Mohammad Karimi, Martin Zacharias, Helle D. Ulrich, Christian Speck, L. Maximilian Reuter
| Nature Verified
Abstract During eukaryotic DNA replication initiation, inactive MCM2–7 double-hexamers assembled at replication origins must be converted into two active CMG helicases, yet how this transition is coupled to origin DNA unwinding in vivo remains unclear. Here, we identify a DNA-bound intermediate with an extended genomic footprint that forms during helicase activation.
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Event-triggered synchronisation of master-slave neural networks with interchange attack

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By Mohammad Karimi, Ali Kazemy
| Taylor & Francis Online
This paper investigates the event-triggered synchronisation of master-slave neural networks subject to interchange attack. In the proposed strategy, the synchronisation output error is sampled by a sensor, and the data is transmitted to the controller via an event-triggered mechanism (ETM). The proposed ETM reduces the amount of transmitted data, preventing communication congestion.
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A novel 6G-oriented secure bidirectional key exchange scheme based on graphene-assisted terahertz physical layer

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By Mohammad Karimi, Yashar Salami, Yaser Pourshadlou, Nooshin Allahbakhshi
| Nature Verified
Abstract This paper proposes a graphene-assisted bidirectional key exchange protocol that integrates terahertz (THz) physical-layer modulation with the Diffie–Hellman (DH) cryptographic framework, addressing a critical gap in secure session establishment over open wireless channels.
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