David Chunhu Li

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The Ras-related GTPase Rap1 promotes cell adhesion and migration. Although the significance of Rap1 contribution to cell migration is increasingly being recognized, little is known about the biochemical mechanisms driving this process. In the present study, we discovered a previously unidentified regulatory role of insulin-like growth factor type I (IGF-I)(More)
Broadband access networks provide high rate network connection to stationary users. The IEEE 802.16e is defined as a standardized technology that specifies wireless air interface between the fixed or mobile stations. Power saving has been an important challenge issue in mobile broadband wireless access networks because all mobile stations are operating with(More)
Electronic Paper (E-paper) is a new promising display technology which attracted great attentions in industry and academia recently. Existing mobile ad devices have disadvantages such as inflexibility of updating ad contents and timely reacting to different consumers and areas. In this paper, a novel application of Electronic Paper in mobile advertising(More)
Energy efficient routing protocols can potentially reduce the amount of energy consumed in packet forwarding. However, existing literature lacks studies on improving green performance of geocast routings for the Internet of Vehicles. Therefore, this study proposes an energy efficient min delay (EEMD)-based geocast routing protocol to find optimal relay(More)
This paper developed and evaluated a Lilliput Multimedia (LM) system to enhance students’ learning motivation by bringing them personally onto the scene to explore the world without having to leave the classroom. The LM system integrates of digital multimedia exhibition content, remote-controlled toy cars, and toy models of the buildings to motivate the(More)
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