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Research Poster PresentationsP O S T E R 4 1Bypassing Web-Based WirelessAuthentication SystemsAhmed HassanFaculty Mentor: Dr. Xiaowen ZhangDepartment of Computer ScienceMost college wireless networks use softwaresystems and web-based logins to authenticate users.In this work we find that it is not hard to bypasssuch authentication. Attacker can use DHCPrequest to collect information about the users onthe network. It makes the attacker possible toperform unauthorized access to the networkfacilities. This can be done by putting the networkcard on monitor mode, and filter the networkframes based on the collected MAC addresses. Onceany client is disconnected from the network, theattacker can spoof the client's MAC address andconnect to the network. The authentication systemis going to accept the spoofed MAC address and letthe attacker to connect to the network. We suggestthat authentication software should not leak anyidentifiable information. Switches should forwardany network related requests to the right server.For example, DHCP requests to the DHCP serverwithout broadcasting it to all the users onthe network.P O S T E R 4 2The Effects of Mortality Salienceon Muslim American Perspectivestoward Israeli Leadership StylesElias TaweelFaculty Mentor: Dr. Florette CohenDepartment of PsychologyThe Israeli-Palestinian conflict has been a majorsource of development for prevalent negativestereotypes held in the Muslim world toward Jewsand Israel conjointly. Research in terrormanagement theory has demonstrated that whenmortality is made salient to individuals, out-groupprejudice as well as preferences to view out-groupmembers in a stereotype-consistent manner tendsto increase. In concordance with past findings, themodel suggests that mortality salience effects onMuslim participants will increase stereotypicthinking and liking for the stereotype-consistentextremist Israeli/Jew despite distal proximity fromthe related conflict’s location. In the present studywe found that contrary to initial presumptions,under mortality salient conditions participants’liking actually increased for the stereotypeinconsistentmoderate Israeli/Jew and decreased forthe stereotype-consistent extremist Israeli/Jew.Results suggest that American Muslim perspectiveslean more toward preferring Israelis/Jews who holda moderate style of orientation toward the Israeli-Palestinian conflict. Further implications willbe discussed.46
Research Poster PresentationsP O S T E R 4 3Cloning of Critical Domain ofIno2p Responsible for RecruitingChromatin Remodeling ActivitiesEugene LempertFaculty Mentor: Dr. Chang-Hui ShenDepartment of BiologyThe INO1 gene codes for inositol-1-phosphatesynthase, which catalyzes the rate-limiting step inthe conversion of glucose-6-phosphate to inositol-3-phosphate. This intermediate is used in theproduction of phophatidylinositol and otherimportant phospholipids and phosphoinositides.When inositol becomes limiting, INO1 activity isupregulated by the Ino2p-Ino4p dimer; in thepresence of inositol, Opi1p inactivates the Ino2p-Ino4p dimer, thus downregulating INO1transcription. According to our research and thework of others, the Ino2p-Ino4p dimer interactswith the UASino elements in the INO1 promoterand recruits chromatin-remodeling complexes,such as SWI/SNF and the Ino80p-associatedcomplex. The structure of the Ino2p subunitcontains two transcriptional activator domains, arepressor interaction domain, and a basic helixloop-helixmotif that it shares with Ino4p. Todetermine the necessity of each domain, truncatedversions of the INO2 gene were produced usingpolymerase chain reaction and ligated into aplasmid containing a TRP1ARS1CUP1 sequence.This sequence allows for selectivity of transformedino2 delta yeast cells and selective activation of thetruncated INO2 variants. In order to determinewhich INO2 variants would save the cells frominositol auxotrophy, individual colonies containingone version of the INO2 sequence were grown inmedia lacking inositol. The optical density wasrecorded over a 24-hour period and growth curveswere produced. Our current results indicate thatinositol auxotrophy can be avoided in cells thatcontain a plasmid with the sequence coding for thesecond transcriptional activator domain.P O S T E R 4 4Interference in Consolidation ofEmotional Learning of PigeonsGary Mulligan, Samantha ScicchignoFaculty Mentor: Dr. Edward MeehanDepartment of PsychologyUsing a series of training and interference sessions,White Carneaux pigeons were tested with stimuliassociated with different reinforcement outcomes,e.g., A++, B+, C- and X. In order to assess theirsensitivity to emotional learning (through PavlovianConditioning). The birds were exposed to multipleschedules during training and then given retroactiveinterference sessions that included presentation ofthe relevant (A, B, & C) and irrelevant (X) stimuliwithout reinforcement (extinction). The birds werethen tested to explore the effect of the retroactivetasks on consolidation of emotional learning. Resultsindicated that the birds were sensitive to differentialoutcome and were discussed in terms of theinteraction between Instrumental and PavlovianConditioning as well as the emotional sensitivity ofthe Avian nervous system.47
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