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    Article

    A Comprehensive on Synthesis and Antimicrobial Evaluation of Substituted-Arylideneamino-5-(5-Chlorobenzofuran-2-yl)-1, 2, 4-Triazole-3-Thiol Derivatives/ Schiff Bases

    Schiff bases are well known and popular classes of organic compounds containing imine (R2C = NH) group that are widely used as catalysts and intermediates in numerous organic transformations. Schiff bases are med...

    Muhammad Rizwan, Sobia Noreen, Sadia Asim, Zohaib Liaqat in Journal of Fluorescence (2024)

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    Article

    Sensory detection of selective substituted acyl chloride and nitrobenzene sulfonyl chloride by interaction with 1-amino-4-hydroxy-9,10-anthraquinone using spectrophotometry and cyclic voltammetry

    Chemical compounds belonging to the quinone class are known for their cyclic diketone structures. Anthraquinone derivatives have been used as sensing materials and dyes or pigments. The spectroscopic and volta...

    Bushra Tariq, Asim Mansha, Sadia Asim, Sobia Noreen in Chemical Papers (2024)

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    Article

    Sensory detection of selective substituted acyl chloride and nitrobenzene-sulfonyl chloride by interaction with 1-amino-4-hydroxy-9,10-anthraquinone using spectrophotometry and cyclic voltammetry

    Chemical compounds belonging to the quinone class are known for their cyclic diketone structures. Anthraquinone derivatives have been used as sensing materials and dyes or pigments. The spectroscopic and volta...

    Bushra Tariq, Asim Mansha, Sadia Asim, Sobia Noreen in Chemical Papers (2024)

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    Article

    Effect of Chloride, Sulfate, and Ferrate Salts on Electronic Energy Levels of Anthracene Proving it a Potential Candidate as an ON and ON–OFF UV–Vis Sensor

    Anthracene molecule possesses remarkable optical activity and till today this molecule is of special interest of scientists. Present study is focused on the study of effects of Chloride, Sulfate, Nitrate and F...

    Zakia Kausar, Asim Mansha, Sadia Asim in Journal of Fluorescence (2024)

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    Article

    The Fluorescence Sensing Capability of 1,4-dihydroxyanthraquinone Towards Metal Ions and Imaging Cells

    Fluorescence and colorimetric sensors have gained significant traction in diverse scientific domains, including environmental, agricultural, and pharmaceutical chemistry. This article comprehensively surveys r...

    Kanwal Shahzadi, Asim Mansha, Sadia Asim in Journal of Fluorescence (2024)

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    Article

    Effects of Metal Ions and Substituents on HOMO–LUMO Gap Evident from UV–Visible and Fluorescence Spectra of Anthracene Derivatives

    Controlled intake of complex metal cations and anions in the human body and other biological systems is essential for the health and well-being of the environment. Anthracene and anthracene derivatives are the...

    Sana Islam, Asim Mansha, Sadia Asim in Journal of Fluorescence (2023)

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    Article

    Investigating the Use of Coumarin Derivatives as Lasers

    A benzene ring and a lactone ring combine to form the chemical coumarin. Dye lasers have made significant advances in laser technology. The coumarin molecule itself is a non-fluorescent but it displays high fl...

    Sobia Noreen, Asim Mansha, Sadia Asim in Journal of Fluorescence (2023)

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    Article

    Effect of Substituents on Solubility, Medicinal, Absorption, Emission and Cationic/Anionic Detection Properties of Anthraquinone Derivatives

    Anthraquinones constitute an important class of compounds with wide applications. The solubility of derivatives at 298.15 K was discussed in ethanol–water solution and at atmospheric pressure, the solubility o...

    Bushra Tariq, Asim Mansha, Sadia Asim, Abida Kausar in Journal of Fluorescence (2023)

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    Article

    Naphthalene and its Derivatives: Efficient Fluorescence Probes for Detecting and Imaging Purposes

    Naphthalene, white crystalline solid having polycyclic aromatic hydrocarbon with characteristic mothball order is naturally present in crucial oils of various plants. Naphthalene derivatives are extensive drug...

    Ruqaya Irshad, Sadia Asim, Asim Mansha, Yusra Arooj in Journal of Fluorescence (2023)

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    Article

    Study of Interactions Between 3-benzoyl-4-hydroxy-2-methyl-2H-1, 2-benzothiazine and Human DNA by Theoretical, Spectroscopic and Viscometric measurements

    From the last few years mode of interactions between drugs and DNA is an attractive research area as it bridges chemistry, molecular biology and medicinal science. Interactions between small heterocyclic molec...

    Sadia Asim, Asim Mansha, Sana Aslam, Alina Shahzad in Journal of Fluorescence (2023)

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    Article

    Quantum mechanical modeling unveils the effect of substitutions on the activation barriers of the Diels–Alder reactions of an antiviral compound 7H-benzo[a]phenalene

    Density functional theory has been utilized for exploring the mechanism of Diels–Alder reaction between 7H-benzo[a]phenalene and maleic anhydride. 7H-Benzo[a]phenalene is an antiviral compound, and information av...

    Umatur Rehman, Asim Mansha, Muhammad Zahid, Sadia Asim in Structural Chemistry (2022)

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    Article

    Computational Studies Followed by Effect of Solvent Polarity and Salts on HOMO–LUMO Gap of 7-Hydroxy Coumarine Notabally Reflected by Absorption and Emission Spectra

    7-Hydroxycoumarin’s FT-IR solid phase spectra were observed at 4000–400 cm−1. The spectra were analyzed in aspects of significant approaches. DFT was used to optimize the structure of the compound and its structu...

    Sana Fatima, Asim Mansha, Sadia Asim in Journal of Fluorescence (2022)

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    Article

    Review of recent advancements in fluorescent chemosensor for ion detection via coumarin derivatives

    Fluorescent chemosensors are highly valuable in a variety of fields including environmental chemistry, analytical chemistry and biomedical science. They have provided accurate, online and low-cost detection of...

    Asim Mansha, Syeda Anam Asad, Sadia Asim, Shamsa Bibi, Shafiq-Ur- Rehman in Chemical Papers (2022)

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    Article

    Review article on “effects of ions on the fluorescence of coumarin derivatives”

    Coumarin, the chromanone, has a keto group at position 2. It plays a vital role as a plant and human metabolite, and as a fluorescent dye. Presently, the effects of various ions on different groups of coumarin...

    Maham Ejaz, Asim Mansha, Sadia Asim, Alina Shahzad in Chemical Papers (2022)

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    Article

    Absorption spectra of coumarin and its derivatives

    Natural compounds are very much important as they can cure diseases naturally without harmful effects from natural sources. Coumarin is also a natural compound and a large number of coumarins almost 1300 couma...

    Sana Fatima, Asim Mansha, Sadia Asim, Alina Shahzad in Chemical Papers (2022)

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    Article

    Effect of pH on Fluorescence Spectra of Coumarin Derivatives

    Colourless crystalline solid coumarin with a bitter taste and sweet vanilla-like odor mostly acts as chemical protection against predators in plants. Anticoagulants (blood thinners), anti-fungicidal, anti-tumo...

    Zain ul Huda, Asim Mansha, Sadia Asim, Alina Shahzad in Journal of Fluorescence (2022)

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    Article

    Excited State Complexes of Coumarin Derivatives

    Furocoumarins are the useful derivatives of coumarin, and they act as skin photosensitizing material due to their exciting exciplex states. Dendrimers also form exciplexes when they contain coumarin as core an...

    Aqsa Mukhtar, Asim Mansha, Sadia Asim, Alina Shahzad in Journal of Fluorescence (2022)

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    Article

    DFT and TDDFT Studies of Non-Fullerene Organometallic Based Acceptors for Organic Photovoltaics

    Recently, non-fullerenes acceptor based solar cells have replaced the fullerenes based ones due to their higher enhanced photochemical and thermal stability. Hence, in this work, six molecules based on D–A and...

    Shafiq-ur-Rehman, Shaista Ghafoor in Journal of Inorganic and Organometallic Po… (2021)

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    Article

    Absorption and Fluorescence Emission Attributes of a Fluorescent dye: 2,3,5,6-Tetracyano-p-Hydroquinone

    Four cyano groups have been substituted on the aromatic ring of p-hydroquinone (2,3,5,6-tetracyanohydroquinone) in order to study the enhanced photoacidity of this molecule. The acid-base equilibria have been ...

    Muhammad Zahid, Günter Grampp, Asim Mansha, Ijaz Ahmad Bhatti in Journal of Fluorescence (2013)