Zobrazeno 1 - 10
of 59
pro vyhledávání: '"Wan Mohd Ebtisyam Mustaqim Mohd Daniyal"'
Plasmonic Refractive Index Sensor Enhanced with Chitosan/Au Bilayer Thin Film for Dopamine Detection
Autor:
Faten Bashar Kamal Eddin, Yap Wing Fen, Josephine Ying Chyi Liew, Wan Mohd Ebtisyam Mustaqim Mohd Daniyal
Publikováno v:
Biosensors, Vol 12, Iss 12, p 1124 (2022)
Surface plasmonic sensors have received considerable attention, found extensive applications, and outperformed conventional optical sensors. In this work, biopolymer chitosan (CS) was used to prepare the bilayer structure (CS/Au) of a plasmonic refra
Externí odkaz:
https://doaj.org/article/b25621bfc79841f4b8248bdd61645b63
Autor:
Nurul Illya Muhamad Fauzi, Yap Wing Fen, Faten Bashar Kamal Eddin, Wan Mohd Ebtisyam Mustaqim Mohd Daniyal
Publikováno v:
Nanomaterials, Vol 12, Iss 22, p 4105 (2022)
In this study, graphene quantum dots (GQDs) and polyvinyl alcohol (PVA) composite was prepared and then coated on the surface of gold thin film via the spin coating technique. Subsequently, Fourier transform infrared spectroscopy (FT-IR), atomic forc
Externí odkaz:
https://doaj.org/article/88b8175d71fc4fbc83d15e77aa27ec8e
Autor:
Faten Bashar Kamal Eddin, Yap Wing Fen, Nurul Illya Muhamad Fauzi, Wan Mohd Ebtisyam Mustaqim Mohd Daniyal, Nur Alia Sheh Omar, Muhammad Fahmi Anuar, Hazwani Suhaila Hashim, Amir Reza Sadrolhosseini, Huda Abdullah
Publikováno v:
Nanomaterials, Vol 12, Iss 11, p 1799 (2022)
Abnormality of dopamine (DA), a vital neurotransmitter in the brain’s neuronal pathways, causes several neurological diseases. Rapid and sensitive sensors for DA detection are required for early diagnosis of such disorders. Herein, a carbon quantum
Externí odkaz:
https://doaj.org/article/1360c4a02b8d4202a70583bd86134daf
Autor:
Nurul Illya Muhamad Fauzi, Yap Wing Fen, Jaafar Abdullah, Mazliana Ahmad Kamarudin, Nur Alia Sheh Omar, Faten Bashar Kamal Eddin, Nur Syahira Md Ramdzan, Wan Mohd Ebtisyam Mustaqim Mohd Daniyal
Publikováno v:
Photonics, Vol 9, Iss 5, p 300 (2022)
In the present work, graphene oxide (GO)–polyvinyl alcohol (PVA) composites thin film has been successfully synthesized and prepared by spin coating techniques. Then, the properties and morphology of the samples were characterized using Fourier tra
Externí odkaz:
https://doaj.org/article/a1d6f9915623421e96f81608e80bea12
Autor:
Silvan Saleviter, Yap Wing Fen, Nur Alia Sheh Omar, Afiq Azri Zainudin, Wan Mohd Ebtisyam Mustaqim Mohd Daniyal
Publikováno v:
Results in Physics, Vol 11, Iss , Pp 118-122 (2018)
In this study, the preparation of immobilized 4-(2-pyridylazo)resorcinol (PAR) in chitosan-graphene oxide composite has been described using spin coating technique. The optical properties of the composite thin film was characterized using UV–Vis-NI
Externí odkaz:
https://doaj.org/article/d25fd48f166548b8a672a63de24b46f8
Autor:
Nur Syahira Md Ramdzan, Yap Wing Fen, Josephine Ying Chyi Liew, Nur Alia Sheh Omar, Nur Ain Asyiqin Anas, Wan Mohd Ebtisyam Mustaqim Mohd Daniyal, Nurul Illya Muhamad Fauzi
Publikováno v:
Photonics, Vol 8, Iss 10, p 419 (2021)
There are extensive studies on the development of composite solutions involving various types of materials. Therefore, this works aims to incorporate two polymers of nanocrystalline cellulose (NCC) and poly(3,4-ethylenethiophene) (PEDOT) to develop a
Externí odkaz:
https://doaj.org/article/12dfd93d1e524a61b279b334ea7b688d
Autor:
Wan Mohd Ebtisyam Mustaqim Mohd Daniyal, Yap Wing Fen, Jaafar Abdullah, Amir Reza Sadrolhosseini, Mohd Adzir Mahdi
Publikováno v:
Photonics, Vol 8, Iss 9, p 361 (2021)
The best surface plasmon resonance (SPR) signal can be generated based on several factors that include the excitation wavelength, the type of metal used, and the thickness of the metal layer. In this study, the aforementioned factors have been invest
Externí odkaz:
https://doaj.org/article/932520a1dff544398d460130ea3357b3
Autor:
Wan Mohd Ebtisyam Mustaqim Mohd Daniyal, Yap Wing Fen, Silvan Saleviter, Narong Chanlek, Hideki Nakajima, Jaafar Abdullah, Nor Azah Yusof
Publikováno v:
Polymers, Vol 13, Iss 3, p 478 (2021)
In this study, X-ray photoelectron spectroscopy (XPS) was used to study chitosan–graphene oxide (chitosan–GO) incorporated with 4-(2-pyridylazo)resorcinol (PAR) and cadmium sulfide quantum dot (CdS QD) composite thin films for the potential optic
Externí odkaz:
https://doaj.org/article/26bc5fdb39b047229742a7f4bd92c454
Autor:
Fahad Usman, John Ojur Dennis, Fabrice Meriaudeau, Abdelaziz Yousif Ahmed, Khe Cheng Seong, Yap Wing Fen, Amir Reza Sadrolhosseini, Bashir Abubakar Abdulkadir, Ridwan Tobi Ayinla, Wan Mohd Ebtisyam Mustaqim Mohd Daniyal, Nur Alia Sheh Omar, Nissren Tamam, Abdelmoneim Sulieman
Publikováno v:
Molecules, Vol 25, Iss 19, p 4414 (2020)
The optical constants of Para-Toluene sulfonic acid-doped polyaniline (PANI), PANIchitosan composites, PANI-reduced graphene-oxide composites and a ternary composite comprising of PANI, chitosan and reduced graphene-oxide dispersed in diluted p-tolue
Externí odkaz:
https://doaj.org/article/6a8171dbdc2d454f80f4639973ea1ce6
Autor:
Najwa Norimanina Muhammad Rosddi, Yap Wing Fen, Nur Ain Asyiqin Anas, Nur Alia Sheh Omar, Nur Syahira Md Ramdzan, Wan Mohd Ebtisyam Mustaqim Mohd Daniyal
Publikováno v:
Crystals, Vol 10, Iss 10, p 875 (2020)
In this study, highly functional cationically modified nanocrystalline cellulose (NCC)/carboxyl-functionalized graphene quantum dots (CGQD) has been described. The surface of NCC was first modified with hexadecyltrimethylammonium bromide (CTA) before
Externí odkaz:
https://doaj.org/article/46c2d8c8dc4146778c886fffb745c757