Article

Alanazi, Ahmed Z., Alhazzani, Khalid, Ibrahim, Hossieny, Mostafa, Aya M., Barker, James, Mahmoud, Ashraf M., El-Wekil, Mohamed M. and Bellah H. Ali, Al-Montaser (2025) pH-Sensitive blue and red N-CDs for L-asparaginase quantification in complex biological matrices. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 325, p. 125161. ISSN (print) 1386-1425

Alanazi, Ahmed Z., Alhazzani, Khalid, Mostafa, Aya M., Barker, James, Ibrahim, Hossieny, El-Wekil, Mohamed M. and Ali, Al-Montaser Bellah H. (2024) A novel carbon dot-bromothymol blue system for ratiometric colorimetric-fluorometric sensing of glutathione in urine : a smartphone-compatible approach. Journal of Fluorescence, ISSN (print) 1053-0509 (Epub Ahead of Print)

Alhazzani, Khalid, Alanazi, Ahmed Z., Mostafa, Aya M., Barker, James, Ibrahim, Hossieny, El-Wekil, Mohamed M. and Bellah H. Ali, Al-Montaser (2024) Enhanced dual fluorescence quenching of red and blue emission carbon dots by copper dimethyldithiocarbamate for selective ratiometric detection of ziram in foodstuff and water samples. Microchemical Journal, 204, p. 111092. ISSN (print) 0026-265X

Alhazzani, Khalid, Alanazi, Ahmed Z., Mostafa, Aya M., Barker, James, Ibrahim, Hossieny, El-Wekil, Mohamed M. and Ali, Al-Montaser Bellah H. (2024) Exploiting the pH-responsive behavior of zinc-dithizone complex for fluorometric urea sensing utilizing red-emission carbon dots. Microchemical Journal, 204, p. 111129. ISSN (print) 0026-265X

Alhazzani, Khalid, Alanazi, Ahmed Z., Ibrahim, Hossieny, Mostafa, Aya M., Barker, James, Mahmoud, Ashraf M., El-Wekil, Mohamed M. and Ali, Al-Montaser Bellah H. (2024) L-asparaginase-mediated pH shift and carbon dot fluorescence modulation : a sensitive ratiometric method for quantifying L-asparagine in diverse potato varieties under variable storage conditions. Food Chemistry, p. 141396. ISSN (print) 0308-8146 (Epub Ahead of Print)

Mostafa, Aya M., Barton, Stephen J., Wren, Stephen P. and Barker, James (2024) Design and preparation of a fluorescent molecularly imprinted membrane for the selective detection of pepsin enzyme as a biomarker for gastroesophageal reflux disease. Talanta Open, p. 100351. ISSN (online) 2666-8319 (Epub Ahead of Print)

Alanazi, Ahmed Z., Alhazzani, Khalid, Mostafa, Aya M., Barker, James, Ibrahim, Hossieny, El-Wekil, Mohamed M. and Ali, Al-Montaser Bellah H. (2024) A novel urease-assisted ratiometric fluorescence sensing platform based on pH-modulated copper-quenched near-infrared carbon dots and methyl red-quenched red carbon dots for selective urea monitoring. Microchimica Acta, 191(8), p. 505. ISSN (print) 0026-3672

Alhazzani, Khalid, Alanazi, Ahmed Z., Mostafa, Aya M., Barker, James, El-Wekil, Mohamed M. and Ali, Al-Montaser Bellah H. (2024) A dual emissive silver-riboflavin complex and nitrogen-doped carbon dot nanoprobe for ratiometric detection of glutathione. Microchemical Journal, 199, p. 109996. ISSN (print) 0026-265X

Mostafa Mohamed, Aya M., Barton, Stephen J., Wren, Stephen P. and Barker, James (2024) Development of highly sensitive fluorescent sensors for separation-free detection and quantitation systems of pepsin enzyme applying a structure-guided approach. Biosensors, 14(3), p. 151. ISSN (online) 2079-6374

Alanazi, Ahmed Z., Alhazzani, Khalid, Mostafa, Aya M., Barker, James, El-Wekil, Mohamed M. and Ali, Al-Montaser Bellah H. (2024) Highly selective fluorometric detection of streptokinase via fibrinolytic release of photoluminescent carbon dots integrated into fibrin clot network. Microchemical Journal, 197, p. 109800. ISSN (print) 0026-265X

Alanazi, Ahmed Z., Alhazzani, Khalid, Mostafa, Aya M., Barker, James, El-Wekil, Mohamed M. and Ali, Al-Montaser Bellah H. (2024) Selective and reliable fluorometric quantitation of anti-cancer drug in real plasma samples using nitrogen-doped carbon dots after MMIPs solid phase microextraction : monitoring methotrexate plasma level. Journal of Pharmaceutical and Biomedical Analysis, 238, p. 115862. ISSN (print) 0731-7085

Alhazzani, Khalid, Alanazi, Ahmed Z., Mostafa, Aya M., Barker, James, El-Wekil, Mohamed M. and Ali, Al-Montaser Bellah H. (2024) Cobalt-modulated dual emission carbon dots for ratiometric fluorescent vancomycin detection. RSC Advances, 14(8), pp. 5609-5616. ISSN (online) 2046-2069

Alhazzani, Khalid, Alanazi, Ahmed Z., Mostafa, Aya M., Barker, James, El-Wekil, Mohamed M. and Ali, Al-Montaser Bellah H. (2024) Selective fluorescence turn-on detection of combination cisplatin–etoposide chemotherapy based on N-CDs/GSH-CuNCs nanoprobe. RSC Advances, 14(4), pp. 2380-2390. ISSN (online) 2046-2069

Alhazzani, Khalid, Alanazi, Ahmed Z., Mostafa Mohamed, Aya, Barker, James, El-Wekil, Mohamed M. and Ali, Al-Montaser Bellah. H. (2023) A novel microextraction technique aided by air agitation using a natural hydrophobic deep eutectic solvent for the extraction of fluvastatin and empagliflozin from plasma samples : application to pharmacokinetic and drug–drug interaction study. RSC Advances, 13(44), pp. 31201-31212. ISSN (online) 2046-2069

Alanazi, Ahmed Z., Alhazzani, Khalid, Mostafa, Aya M., Barker, James, Mohamed, Sabrein H., El-Wekil, Mohamed M. and Ali, Al-Montaser Bellah H. (2023) Monitoring antiviral active metabolite (N-hydroxycytidine) levels in plasma in presence of carboxylesterase-2 inhibitor verapamil using copper tetracyanoquinodimethane enhanced sensor. Microchemical Journal, p. 109330. ISSN (print) 0026-265X (Epub Ahead of Print)

Alhazzani, Khalid, Alanazi, Ahmed Z., Mostafa, Aya M., Barker, James, El-Wekil, Mohamed M. and Bellah H. Ali, Al-Montaser (2023) A selective dual quenching sensor (EY/BG@CDs) for simultaneous monitoring of gentamicin and ketorolac levels in plasma : a highly efficient platform that caters to the needs of therapeutic drug monitoring. RSC Advances, 13(41), pp. 28940-28950. ISSN (online) 2046-2069

Mohamed, Aya M., Barton, Stephen J., Wren, Stephen P. and Barker, James (2022) Development of magnetic molecularly imprinted polymers for the extraction of salivary pepsin prior to analysis by a novel HPLC-SEC method. Polymer, 261, p. 125417. ISSN (print) 0032-3861

Mostafa, Aya M., Barton, Stephen J., Wren, Stephen P. and Barker, James (2021) Review on molecularly imprinted polymers with a focus on their application to the analysis of protein biomarkers. TrAC Trends in Analytical Chemistry, 144, p. 116431. ISSN (print) 0165-9936

Conference or Workshop Item

Mostafa Mohamed, Aya (2023) Comparing the performance of two different fluorescent dyes in the development of fluorescent molecularly imprinted polymers for pepsin enzyme. In: 3rd Global Conference on Polymers, Plastics and Composites; 11 - 12 Sep 2023, Barcelona, Spain..