UROP Proceedings 2010-11

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Heavy Metal Adsorption from SeawaterAdvisorCo-AdvisorStudent: YEUNG King Lun / CBME: CHEN Xinqing / CBME: HE Naien / CBPE(UROP1200, Summer 2011)To continue my work from the previous semester, I prepare MCM-41 to be grafted usingmono-, di- and tri-amino-organoalkoxysilanes with different loading. Theamino-functionalized MCM-41 adsorb different loading of Fe 3+ . All the modified MCM-41have gone through XRD and EA in order to determine their structure and textural properties.Their performance is measured by the adsorption of Cu 2+ and Cr 6+ , both in simple solutionand binary solution.Heavy Metal Adsorption from SeawaterAdvisorCo-AdvisorStudent: YEUNG King Lun / CBME: CHEN Xinqing / CBME: HO Hanson / CENG(UROP1000, Summer 2011)The main focus of this summer’s project is on the effectiveness of the adsorption of Cadmium(Cd) under different types of water, especially on seawater as it is often used in real-lifeapplications for treatment of seawater. The isotherm study on the effectiveness of theadsorption power of Cadmium at pH 5 and the effectiveness of the adsorption power atdifferent pH (2 to 5) are performed, both with the di-amino adsorbent (NN-MCM41). Thesamples are analyzed by the Inductively Coupled Plasma (ICP-AES).Smart Antimicrobial Coating for Filter MediaAdvisorCo-AdvisorStudent: YEUNG King Lun / CBME: LEUNG Hong Hang / CBME: LAM Tsz Ying Gene / CBPE(UROP1000, Summer 2011)Since the epidemic outbreak of SARS in 2003 and the pandemic outbreak of Swine Flu in2009, there has been an increasing awareness on the role of inhalation of fine particles,ranging from approximately 0.1 to 100 μm in disease transmission. It is important forintensive care providers to be prepared for large-scale airborne epidemic that may cause masscasualty from respiratory failure, and to take protective measures. In this project, the focus ison the filter media that are used in air-purifiers and respirators, and to examine the effect andsafety of smart antimicrobial coating on the N95 FFR.29
Effect of Smart Antimicrobial Coating on Postharvest Life and Quality ofStrawberries (Fragaria x Ananassa)AdvisorCo-AdvisorStudent: YEUNG King Lun / CBME: LEUNG Hong Hang / CBME: LIU King Nok / CEEV(UROP1000, Summer 2011)A smart multi-level antimicrobial coating prepared from polymer-encapsulated chlorinedioxide (CIO 2 ), water-in-oil-in-water (w/o/w) double emulsion is used to extend the shelf-lifewithout affecting the quality of strawberries (Fragaria x Ananassa). The effectiveness of thetreatment is assessed by evaluating its impact on fungal decay incidence, weight loss andcolor. From the results, it can be concluded that the antimicrobial coating can lengthen theshelf life of strawberries and improve their color without affecting their weight.Preparation of HX and HY Confined Nafion Composite Memberanes forSelf-humidifying Fuel CellsAdvisorCo-AdvisorStudent: YEUNG King Lun / CBME: HAN Wei / CBME: RAYMOND Gabriel Amit / CENG(UROP1000, Summer 2011)Preparation of HX and HY-Nafion composite memberanes is attempted by employing aprocedure consists of SSM seeding, followed by hydrothermal treatment in a synthesissolution. The initial results, such as SEM images, show very little growth on the SSMs.Subsequent modifications to several parameters, such as composition of the synthesis solution,position of the SSM in said solution, and hydrothermal treatment time and temperature yieldmuch better results.Preparation of Confined Nafion-zeolite Composite Membrane forSelf-humidifying Polymer Electrolyte Fuel CellsAdvisorCo-AdvisorStudent: YEUNG King Lun / CBME: HAN Wei / CBME: SIU Ching Han / CEEV(UROP1000, Summer 2011)In this project, we attempt to prepare the confined Nafion-zeolite (HX & HY) compositemembranes for self-humidifying proton exchange membrane fuel cell. The design ofcomposite membrane is based on the consideration of improving the proton conductivity ofelectrolyte membrane by HX and HY. Also, HX and HY have large pore size, which maybenefit the functionalization of the membrane. The zeolite layers of NaX, NaY,NaX/Silicalite-1 and NaY/Silicalite-1 on SSM are prepared by seeding and secondaryregrowth method.30
Page 4 and 5: Message from the PresidentUROP is a
Page 6 and 7: School ofScience
Page 8 and 9: After a month of screening, some pu
Page 10: Water Quality Survey for Hong Kong'
Page 14 and 15: Study of Blood Cell Development usi
Page 16 and 17: Department of MathematicsSpace Orbi
Page 18 and 19: Report on Lunar Crater ProjectAdvis
Page 20 and 21: Efficient Numerical Methods for Dyn
Page 22 and 23: Department of PhysicsNear-Field Sca
Page 24 and 25: Kinetic Monte Carlo Simulation of S
Page 26 and 27: Random Walk on Complex Network and
Page 28 and 29: Manufacture of Photoic Crystals and
Page 30 and 31: School ofEngineering
Page 32 and 33: Techno-economic Analysis of Hydroge
Page 36 and 37: Reformation of Antimicrobial Coatin
Page 38 and 39: Innovative Iron-based Process for O
Page 40 and 41: Department of Computer Science and
Page 42 and 43: An Investigation to Simplex Minimiz
Page 44 and 45: Distributive Name ServiceAdvisor :
Page 46 and 47: “Where To”: A Collaborative And
Page 48 and 49: Light Carving: Rich Object Scanning
Page 50 and 51: Sparse Matrix CompletionAdvisor : Y
Page 52 and 53: Optical Property Investigation of N
Page 54 and 55: Opto-Mechanical Oscillator with Dir
Page 56 and 57: Capture the FlagAdvisor : SHI Ling
Page 58 and 59: Building a Servo Robot SystemAdviso
Page 60 and 61: Department of Industrial Engineerin
Page 62: Digital Image Correlation Method fo
Page 65 and 66: Department of AccountingSchool of B
Page 67 and 68: Department of EconomicsThe Microeco
Page 69 and 70: Department of Information Systems,
Page 71 and 72: Financial Risk ManagementAdvisor :
Page 73 and 74: Consumer Shopping Behavior in Inter
Page 75 and 76: Consumer NostalgiaAdvisor : HONG Ji
Page 77 and 78: Lay Theory of ObesityAdvisor : MUKH
Page 79 and 80: Multiculturalism, Social Judgments
Page 81 and 82: School of Humanities and Social Sci
Page 83 and 84: China/Africa Links ProjectAdvisor :
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Housing Policy, Home Ownership Sche
Page 87 and 88:
Psychology of HappinessAdvisor : TA
Page 89:
Facial Expressions of EmotionsAdvis
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UROP Proceedings 2010-11

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