Publication:
Real-time cationic sensing using plasmonic fiber optic sensor based phosphoryl-carrageenan

Simple item page
dc.citedby0
dc.contributor.authorBakar M.H.A.en_US
dc.contributor.authorAzeman N.H.en_US
dc.contributor.authorMobarak N.N.en_US
dc.contributor.authorNazri N.A.A.en_US
dc.contributor.authorMohd Daniyal W.M.E.M.en_US
dc.contributor.authorZan M.S.D.en_US
dc.contributor.authorMahdi M.A.en_US
dc.contributor.authorZain A.R.M.en_US
dc.contributor.authorGupta R.en_US
dc.contributor.authorAbdullah F.en_US
dc.contributor.authorBakar A.A.A.en_US
dc.contributor.authorid57373306400en_US
dc.contributor.authorid56351676400en_US
dc.contributor.authorid6507632213en_US
dc.contributor.authorid57221872650en_US
dc.contributor.authorid59233061500en_US
dc.contributor.authorid24767242400en_US
dc.contributor.authorid7005348074en_US
dc.contributor.authorid56109090300en_US
dc.contributor.authorid55600362800en_US
dc.contributor.authorid56613644500en_US
dc.contributor.authorid56926940300en_US
dc.date.accessioned2025-03-03T07:42:06Z
dc.date.available2025-03-03T07:42:06Z
dc.date.issued2024
dc.description.abstractWe report Fiber Optic-Localized Surface Plasmon Resonance (FO-LSPR) spectroscopy sensors comprising a coating of spherical silver nanoparticles (AgNPs) embedded in phosphoryl-carrageenan. This is a novel report on modified carrageenan namely phosphoryl-carrageenan as sensing materials for cations specifically ammonium ions (NH4+). The morphology of carrageenan and phosphoryl-carrageenan coatings on the fiber optic probe was uneven and wavelike topography, indicating the successful coating on the fiber optic probe surface. The FO-LSPR showed a distinct dip in reflectivity in the region of 370?400 nm due to the resonance frequency of spherical AgNPs. The response and recovery times of FO-LSPR sensors for 1 ppm NH4+ and deionized water were <20 s and ?1.2 minutes, respectively, with five times stable repeatability. The sensitivity of the FO-LSPR phosphoryl-carrageenan was 3.441 nm/ppm. Equally, the limits of detection and quantitation of fiber optic FO-LSPR were 0.336 and 1.018 ppm, respectively. Meanwhile, the dynamic range of the FO-LSPR was 0.3 ? 2.0 ppm. The proposed sensor demonstrated strong selectivity towards NH4+ over common cationic interferents. Furthermore, the reported FO-LPSR sensor offered a comparable measurement performance to current methods, while being low cost and portable, and allowing in-situ real-time monitoring of cation ammonium. Thus, reported FO-LPSR sensors are highly promising for water monitoring applications. ? 2024 Elsevier B.V.en_US
dc.description.natureFinalen_US
dc.identifier.ArtNo115725
dc.identifier.doi10.1016/j.sna.2024.115725
dc.identifier.scopus2-s2.0-85199512191
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85199512191&doi=10.1016%2fj.sna.2024.115725&partnerID=40&md5=4606f0ddcf46be6129f0bd0020642f25
dc.identifier.urihttps://irepository.uniten.edu.my/handle/123456789/36366
dc.identifier.volume377
dc.publisherElsevier B.V.en_US
dc.sourceScopus
dc.sourcetitleSensors and Actuators A: Physical
dc.subjectBiopolymers
dc.subjectCoatings
dc.subjectDeionized water
dc.subjectFibers
dc.subjectMetal nanoparticles
dc.subjectPositive ions
dc.subjectProbes
dc.subjectSilver nanoparticles
dc.subjectSurface plasmon resonance
dc.subjectTopography
dc.subjectCarrageenans
dc.subjectCationics
dc.subjectFiber-optics
dc.subjectFiberoptic probes
dc.subjectFibre-optic probe
dc.subjectFibre-optic sensor
dc.subjectLocalized surface plasmon resonance
dc.subjectPlasmon resonances
dc.subjectPlasmonics
dc.subjectReal- time
dc.subjectFiber optics
dc.titleReal-time cationic sensing using plasmonic fiber optic sensor based phosphoryl-carrageenanen_US
dc.typeArticleen_US
dspace.entity.typePublication
Files
Collections
SCOPUS