An environmentally sustainable synchronous spectrofluorimetric method coupled with second derivative signal processing for simultaneous determination of velpatasvir and simeprevir in pharmaceutical and plasma samples

Authors: Ramzy, Sherif, Alshehri, Sameer, Abduljabbar, Maram H., Althobaiti, Yusuf S., Alzhrani, Rami M., Almalki, Atiah H.

Source: In Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 5 February 2025 326

Eco-friendly second derivative synchronous fluorescence spectroscopic method for simultaneous determination of rosuvastatin and ezetimibe in pharmaceutical capsules

Authors: Ramzy, Sherif, Althobaiti, Yusuf S., Almalki, Atiah H.

Source: In Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 15 January 2025 325

Exploring the association between serum magnesium level and autism spectrum disorder using validated spectrofluorimetric method

Authors: Almalki, Atiah H. ^{a, b}, Bamaga, Ahmed K. ^c, Alharbi, Adnan ^d, Abduljabbar, Maram H. ^e, Alnemari, Reem M. ^f, Baali, Fahad H. ^g, Algarni, Majed A. ^g, Ahmed, Marwa F. ^a, Ramzy, Sherif ^{h, ⁎}

Source: In Analytical Biochemistry April 2025 699

Development of a fluorescent nano-sensing probe for atomoxetine analysis: Additional clinical pharmacokinetic study

Authors: Alosaimi, Manal E., Abduljabbar, Maram H., Alzhrani, Rami M., Saeed, Salma, Ramzy, Sherif, Almalki, Atiah H.

Source: In Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 5 December 2024 322

Spectrophotometric determination of celecoxib and tramadol in the new approved formulated dosage form using principle component regression assistive model

Authors: Almalki, Atiah H., Alzhrani, Rami M., Alosaimi, Manal E., Abduljabbar, Maram H., Alaqel, Saleh l., Alharbi, Adnan, Ramzy, Sherif

Source: In Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 5 November 2024 320

Development of a highly sensitive and green first-derivative synchronous fluorescence spectroscopic method for the simultaneous quantification of telmisartan and rosuvastatin: Greenness metric assessment and application to a pharmacokinetic study in rats

Authors: Ramzy, Sherif, Abduljabbar, Maram H., Alosaimi, Manal E., Almalki, Atiah H.

Source: In Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 5 June 2024 314

Derivative spectroscopy and wavelet transform as green spectrophotometric methods for abacavir and lamivudine measurement

Authors: Alsharif, Shaker T., Almalki, Atiah H., Ramzy, Sherif, Sultan Alqahtani, Arwa, Abduljabbar, Maram H., Algarni, Majed A., Serag, Ahmed

Source: In Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 5 April 2024 310

Spectrofluorimetric determination of vitamin D in the serum of autistic and healthy children using functionalized graphene quantum dots

Authors: Almalki, Atiah H., Alaqel, Saleh I., Alharbi, Adnan, Abduljabbar, Maram H., Bamaga, Ahmed K., Alsenani, Faisal, Ramzy, Sherif

Source: In Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 15 March 2024 309

Sustainable fluorescence derivatization approach for spectrofluorimetric quantification of methylphenidate hydrochloride in pharmaceutical formulation and spiked human plasma

Authors: Almalki, Atiah H., Alqahtani, Arwa S., Algarni, Majed A., Bamaga, Ahmed K., Alsulami, Fahad T., Abduljabbar, Maram H., Althobaiti, Yusuf S., Ramzy, Sherif

Source: In Journal of Molecular Structure 5 March 2024 1299

Guava-fruit based synthesis of carbon quantum dots for spectrofluorometric quantitative analysis of risperidone in spiked human plasma and pharmaceutical dosage forms

Authors: Alaqel, Saleh I., Abdullah, Omeima, Alharbi, Adnan, Althobaiti, Yusuf S., Alturki, Mansour S., Ramzy, Sherif, Almalki, Atiah H.

Source: RSC advances. 13(26):17765-17774

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100185430859.0x000001&indx=1&recIds=ETOCvdc_100185430859.0x000001

Spectrophotometric Quantitative Analysis of Aspirin and Vonoprazan Fumarate in Recently Approved Fixed-Dose Combination Tablets Using Ratio Spectra Manipulating Tools

Authors: Abdelazim, Ahmed H., Abdel-Fattah, Ashraf, Osman, Ayman O. E., Abdel-Kareem, Rady F., Ramzy, Sherif

Source: Journal of AOAC International. 106(2):490-495

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCRN631572180&indx=1&recIds=ETOCRN631572180

Application of a nucleophilic substitution reaction for spectrofluorimetric determination of aripiprazole in pharmaceutical dosage form and plasma matrix; greenness assessment

Authors: Alaqel, Saleh l., Abdullah, Omeima, Alharbi, Adnan, Althobaiti, Yusuf S., Alturki, Mansour S., Ramzy, Sherif, Almrasy, Ahmed A., Almalki, Atiah H.

Source: In Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 15 December 2023 303

Synchronous spectrofluorimetric determination of favipiravir and aspirin at the nano-gram scale in spiked human plasma; greenness evaluation

Authors: Batubara, Afnan S., Ainousah, Bayan E., Ramzy, Sherif, Abdelazim, Ahmed H., Gamal, Mohammed, Tony, Rehab M.

Source: In Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 15 October 2023 299

Green fitted second derivative synchronous spectrofluorometric method for simultaneous determination of remdesivir and apixaban at Nano gram scale in the spiked human plasma

Authors: Batubara, Afnan S., Abdelazim, Ahmed H., Gamal, Mohammed, Almrasy, Ahmed A., Ramzy, Sherif

Source: In Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 5 April 2023 290

Green adherent spectrophotometric determination of molnupiravir based on computational calculations; application to a recently FDA-approved pharmaceutical dosage form

Authors: Abdelazim, Ahmed H., Abourehab, Mohammed A.S., Abd Elhalim, Lobna M., Almrasy, Ahmed A., Ramzy, Sherif

Source: In Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 15 January 2023 285

Different spectrophotometric methods for simultaneous determination of lesinurad and allopurinol in the new FDA approved pharmaceutical preparation; additional greenness evaluation

Authors: Abdelazim, Ahmed H., Abourehab, Mohammed A.S., Abd Elhalim, Lobna M., Almrasy, Ahmed A., Ramzy, Sherif

Source: In Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 15 January 2023 285

Spectrofluorimetric quantitative analysis of favipiravir, remdesivir and hydroxychloroquine in spiked human plasma

Authors: Ramzy, Sherif, Abdelazim, Ahmed H., Osman, Ayman OE, Hasan, Mohamed A.

Source: In Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 15 November 2022 281

Quantitative Analysis of Two Pharmaceutical Combinations Containing Amlodipine with Either Bisoprolol or Candesartan Using Different UV Spectrophotometric Methods

Authors: Ramzy, Sherif, Abdelazim, Ahmed H, Shahin, Mohamed

Source: Journal of AOAC International. 105(4):1200-1204

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100165709176.0x000001&indx=1&recIds=ETOCvdc_100165709176.0x000001

Application of Different UV Spectrophotometric Methods for Quantitative Analysis of Acotiamide and Esomeprazole

Authors: Abdelazim, Ahmed H., Ramzy, Sherif, Shahin, Mohamed

Source: Journal of AOAC International. 105(5):1475-1478

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCRN630142233&indx=1&recIds=ETOCRN630142233

Quantitative Spectrophotometric Analysis of Celecoxib and Tramadol in Their Multimodal Analgesia Combination Tablets

Authors: Abdelazim, Ahmed H., Ramzy, Sherif, Abdel-Monem, Ahmed H., Almrasy, Ahmed A., Abdel-Fattah, Ashraf, Shahin, Mohammed

Source: Journal of AOAC International. 105(5):1479-1483

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCRN630142244&indx=1&recIds=ETOCRN630142244