Author

Janis Vella Szijj

Observed names: J Vella Szijj, JANIS VELLA SZIJJ, Janis Vella Szijj, Vella Szijj, Janis

Observed institution: University of Malta

ORCID: 0000-0001-6061-3608

Observed ORCID: 0000-0001-6061-3608

OpenAlex ID: A5062330908

Practical liquid chromatography–tandem mass spectrometry method for the simultaneous quantification of amitriptyline, nortriptyline and their hydroxy metabolites in human serum

2019 · Luana Mifsud Buhagiar, Carmel Sammut, et al. · Biomedical Chromatography · 15

Greenness assessment of analytical methods for determination of cannabinoids in oils using NEMI, Analytical Eco-Scale, AGREE and GAPI

2024 · Nicolette Sammut Bartolo, Lovely L. Gallo, et al. · Analytical Methods · 13

Orphan drug policies in different countries

2019 · Amar Abbas, Janis Vella Szijj, et al. · Journal of Pharmaceutical Health Services Research · 13

Challenges of Extracting and Determining Cannabinoids in Different Matrices

2024 · Janis Vella Szijj · Cannabis and Cannabinoid Research · 10

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The shift from class-based to online learning during COVID-19: A student and academic perception

2020 · Nicolette Sammut Bartolo, Maresca Attard Pizzuto, et al. · Pharmacy Education · 9

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HPLC-UV Method Development and Validation to Monitor Difluprednate Synthesis

2023 · Nicolette Sammut Bartolo, Janis Vella Szijj, et al. · Journal of Chromatographic Science · 7

Implications of Mobile Phase Composition and Ph on the Chromatographic Separation of Amitriptyline and Its Metabolite Nortriptyline

2018 · Luana Mifsud Buhagiar, Manuel Scorpiniti, et al. · International Journal of Pharmacy and Pharmaceutical Sciences · 7

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Greenness, whiteness and blueness assessment of high-performance liquid chromatographic methods for determination of cannabinoids in cosmetics

2025 · Nicolette Sammut Bartolo, Janis Vella Szijj · Green Analytical Chemistry · 5

QT shortening: a proarrhythmic safety surrogate measure or an inappropriate indicator of it?

2022 · Amy Tanti, Benjamin Micallef, et al. · Current Medical Research and Opinion · 4

Effects of Ph and Amount of Acetonitrile on the Separation of Cannabinoids

2021 · EVA TEJADA, JANIS VELLA SZIJJ, et al. · Asian Journal of Pharmaceutical and Clinical Research · 4

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Analysis of Cannabinoids in Oil

2024 · Janis Vella Szijj, Lovely L. Gallo, et al. · Integrative Medicine Reports · 3

Knowledge and perceptions about Cannabidiol use

2024 · Abigail Calleja, Janis Vella Szijj, et al. · Journal of Drug Delivery and Therapeutics · 3

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An Efficient Hplc-uv Method for Determination of Tetrahydrocannabinol in Oil

2023 · EVA TEJADA RODRIGUEZ, JANIS VELLA SZIJJ, et al. · Asian Journal of Pharmaceutical and Clinical Research · 3

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Inappropriate prescribing in patients with renal impairment

2022 · Kairi Marlen Antoniak, Janis Vella Szijj, et al. · Journal of Pharmaceutical Health Services Research · 3

Declared vs determined: Analysis of cannabinoids in commercially available products on the Maltese market

2026 · Karolina Szyrner, Paul I. Buhagiar, et al. · Phytochemistry Letters · 2

The Impact of Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR) in Healthcare: A Narrative Review

2025 · Blessing Ifunanya Maduelosi, Janis Vella Szijj, et al. · International Journal of Research and Innovation in Applied Science · 2

An exploratory study of knowledge, attitudes, practice and barriers towards adverse drug reaction reporting among healthcare professionals in Malta

2024 · Elisa Curtolo, Benjamin Micallef, et al. · International Journal of Risk & Safety in Medicine · 2

Price of medicines in a small market country: a comparative approach

2021 · Emilija Kochova, Janis Vella Szijj, et al. · Journal of Pharmaceutical Health Services Research · 2

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Development, validation and evaluation of learning activities to support the reporting of adverse drug reactions during the COVID-19 pandemic

2022 · Elisa Curtolo, Janis Vella Szijj, et al. · Pharmacy Education · 1

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Pharmacist contribution in rare diseases

2026 · Margaux Jeatrice Alaba, Janis Vella Szijj, et al. · International Journal of Pharmacy Practice

FIP Montreal 2026: Community pharmacy

2026 · Stivala, Alessia, Vella Szijj, Janis, et al. · Pharmacy Education

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Miniaturized Sample Preparation and Analytical Strategies for Cannabis and Cannabinoid Analysis

2026 · Janis Vella Szijj, Nicolette Sammut Bartolo · Cannabis and Cannabinoid Research

Label integrity of cannabidiol consumer products: A matrix-specific review of accuracy, contaminants, and regulatory gaps (2017–2025)

2026 · Karolina Szyrner, Anthony Serracino-Inglott, et al. · Phytochemistry Letters

Physicochemical characterisation of difluprednate and 6α9α-difluoroprednisolone: Determination of solubility, pKa and LogP

2026 · Giulia Baluci, Paul Immanuel Buhagiar, et al. · Steroids

Aligning advanced therapy medicinal products in pharmacy curricula

2026 · Vella Szijj, Janis, Majid Meepata, Muhammed, et al. · OAR@UM (University of Malta)

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Works count: 53

Citation count: 115

H-index: 7

I10-index: 4