Usama Alshana

5PUBLICATIONS
7CO-AUTHORS
Instrumental methods (excl. immunological and bioassay methods)Sensor technology (incl. chemical aspects)Transition metal chemistryElectroanalytical chemistry
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Publications (5)

|Jun 10, 2024
Edible oil-based switchable-hydrophilicity solvent liquid-liquid microextraction prior to smartphone digital image colorimetry for the determination of total curcuminoids in food samples.

Salihu Ismail, Aliyu B Abdullahi, Usama Alshana

|Dec 22, 2022
Smartphone Digital Image Colorimetry for the Determination of Aluminum in Antiperspirant Products.

Suad Abughrin, Usama Alshana, Jude Caleb

|Oct 20, 2022
Switchable-hydrophilicity solvent liquid-liquid microextraction combined with smartphone digital image colorimetry for the determination of palladium in catalytic converters.

Salihu Ismail, Aliyu B Abdullahi, Usama Alshana

|Jun 14, 2021
Dispersive liquid-liquid microextraction for the isolation and HPLC-DAD determination of three major capsaicinoids in Capsicum annuum L.

Jude Caleb, Usama Alshana, Azmi Hanoğlu

|May 19, 2020
Switchable-hydrophilicity solvent liquid-liquid microextraction versus dispersive liquid-liquid microextraction prior to HPLC-UV for the determination and isolation of piperine from Piper nigrum L.

Mais Al-Nidawi, Usama Alshana, Jude Caleb

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Frequent Collaborators

2 joint publications

Jude Caleb

2 joint publications

Salihu Ismail

2 joint publications

Aliyu B Abdullahi

1 joint publications

Azmi Hanoğlu