MARC details
| 000 -LEADER |
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04121ntm a2200337 i 4500 |
| 003 - CONTROL NUMBER IDENTIFIER |
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MY-KuUP |
| 005 - DATE AND TIME OF LATEST TRANSACTION |
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| control field |
20260525113618.0 |
| 006 - FIXED-LENGTH DATA ELEMENTS--ADDITIONAL MATERIAL CHARACTERISTICS |
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t||||fr|||| 000 0 |
| 007 - PHYSICAL DESCRIPTION FIXED FIELD--GENERAL INFORMATION |
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ta |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION |
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260525t20262026my a|||fr|||| 000 0 eng d |
| 020 ## - INTERNATIONAL STANDARD BOOK NUMBER |
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| International Standard Book Number |
THE0010524 (Local) |
| Qualifying information |
Hardback |
| 040 ## - CATALOGING SOURCE |
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| Original cataloging agency |
UMPSA |
| Language of cataloging |
eng |
| Transcribing agency |
UMPSA |
| Description conventions |
rda |
| 090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN) |
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| Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) |
FTKKP .Y37 2026 r Thesis |
| 100 1# - MAIN ENTRY--PERSONAL NAME |
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| Personal name |
Yasin M. Y. Albarqouni, |
| Relator term |
author. |
| 245 10 - TITLE STATEMENT |
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| Title |
Elucidating the protective mechanism of self-healing pd-z@msn coating on microbial influenced corrosion of aluminium surface / |
| Statement of responsibility, etc. |
Yasin M. Y. Albarqouni |
| 264 #1 - PRODUCTION, PUBLICATION, DISTRIBUTION, MANUFACTURE, AND COPYRIGHT NOTICE |
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| Place of production, publication, distribution, manufacture |
Kuantan, Pahang : |
| Name of producer, publisher, distributor, manufacturer |
UMPSA, |
| Date of production, publication, distribution, manufacture, or copyright notice |
2026 |
| 264 #4 - PRODUCTION, PUBLICATION, DISTRIBUTION, MANUFACTURE, AND COPYRIGHT NOTICE |
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| Date of production, publication, distribution, manufacture, or copyright notice |
© 2026 |
| 300 ## - PHYSICAL DESCRIPTION |
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| Extent |
xviii, 167 pages : |
| Other physical details |
illustration ; |
| Dimensions |
30 cm.+ |
| Accompanying material |
1 CD-ROM |
| 336 ## - CONTENT TYPE |
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| Source |
rdacontent |
| Content type term |
text |
| 337 ## - MEDIA TYPE |
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| Source |
rdamedia |
| Media type term |
unmediated |
| 338 ## - CARRIER TYPE |
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| Source |
rdacarrier |
| Carrier type term |
volume |
| 347 ## - DIGITAL FILE CHARACTERISTICS |
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| Source |
rda |
| File type |
text file |
| Encoding format |
PDF |
| 500 ## - GENERAL NOTE |
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| General note |
Faculty of Chemical and Process Engineering Technology |
| 502 ## - DISSERTATION NOTE |
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| Dissertation note |
Thesis (Doctor of Philosophy) -- Universiti Malaysia Pahang Al Sultan Abdullah - 2026 |
| 504 ## - BIBLIOGRAPHY, ETC. NOTE |
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| Bibliography, etc. note |
Include bibliographical reference |
| 520 3# - SUMMARY, ETC. |
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| Summary, etc. |
Microbial-influenced corrosion (MIC) remains a critical challenge in marine and industrial applications, where traditional protective coatings lack the dual functionality needed to simultaneously inhibit corrosion and bacterial proliferation. Existing solutions often fail to provide controlled, stimuli-responsive release of inhibitors, leading to inefficient protection and premature coating failure. This research bridges that gap by developing an innovative, pH and temperature-responsive nanocomposite (PD-Z@MSN) for use in a smart epoxy coating. The study involved the synthesis of zinc oxide (ZnO) nanoparticles via Sol-gel, their encapsulation within mesoporous silica nanoparticles (MSN) synthesized by a modified Stöber method, and subsequent functionalization with polydopamine (PDA) to form the final PD-Z@MSN composite. Comprehensive characterization using FT-IR, XRD, XPS, FESEM, and Hr-TEM confirmed the composite’s spherical morphology (43–120 nm), high crystallinity, and successful integration of components, with PDA acting as a stimuli-responsive gatekeeper. Antibacterial testing against Escherichia coli and Bacillus cereus demonstrated strong efficacy, with inhibition zones of 11.80 mm and 11.56 mm, respectively, even at low concentrations. Density functional theory (DFT) analysis provided a molecular-level explanation, revealing the high electrophilicity and strong binding affinity of the composite, which facilitates interactions with bacterial cells and enhances reactive oxygen species (ROS) generation, leading to oxidative stress and apoptosis. Electrochemical corrosion evaluations revealed outstanding performance, with the optimized PD-Z@MSN/epoxy coating achieving a corrosion rate of only 0.0002 mm·y⁻¹ and a polarization resistance of 1.18 × 105 Ω·cm2 after 120 hours in 3.5% NaCl, corresponding to 98.7% inhibition efficiency, performance that meets and exceeds relevant ASTM standards for protective coatings. These results are directly linked to the composite’s proposed dual-action mechanism. For corrosion, the PDA shell responds to environmental stimuli, releasing Zn2+ ions that react with chlorides and hydroxides to form a protective layer of Zn(OH)2 on the aluminum substrate, effectively blocking anodic and cathodic sites. For antibacterial action, the same controlled release delivers ZnO, which generates bactericidal ROS, while PDA itself disrupts bacterial membranes and proteins. In conclusion, this research successfully designed and validated a dual-functional PD-Z@MSN/epoxy coating. Its intelligent, controlled-release mechanism provides a synergistic defense, combining potent, DFT-supported antibacterial action with superior, electrochemically-verified corrosion resistance. This offers a promising and advanced solution for combating MIC in demanding environments. |
| 610 20 - SUBJECT ADDED ENTRY--CORPORATE NAME |
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| Corporate name or jurisdiction name as entry element |
Faculty of Chemical and Process Engineering Technology |
| General subdivision |
Dissertations |
| 650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name entry element |
Universities and colleges |
| General subdivision |
Dissertations |
| 650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name entry element |
Theses |
| General subdivision |
Dissertations |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) |
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| Source of classification or shelving scheme |
Library of Congress Classification |
| Koha item type |
Thesis |