1. Ghfar, A.A., S.M. Wabaidur, A.Y.B.H. Ahmed, Z.A. Alothman, M.R. Khan and N.H. Al-Shaalan, 2015. Simultaneous determination of monosaccharides and oligosaccharides in dates using liquid chromatography-electrospray ionization mass spectrometry. Food Chem., 176: 487-492.
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2. Alothman, Z.A., N.H. Al-Shaalan, M.A. Habila, Y.E. Unsal, M. Tuzen and M. Soylak, 2015. Dispersive liquid-liquid microextraction of lead (II) as 5-(4-dimethylaminobenzylidene) rhodanine chelates from food and water samples. Environ. Monitor. Assess., Vol. 187. 10.1007/s10661-014-4160-4.
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3. Khan, M.R., M.A. Khan, Z.A. Alothman, I.H. Alsohaimi, M. Naushad and N.H. Al-Shaalan, 2014. Quantitative determination of methylene blue in environmental samples by Solid-phase extraction and ultra-performance liquid chromatography-tandem mass spectrometry: A green approach. RSC Adv., 4: 34037-34044.
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4. Ahmed, A.Y.B.H., M.S. Obbed, S.M. Wabaidur, Z.A. Alothman and N.H. Al-Shaalan, 2014. High-performance liquid chromatography analysis of phenolic acid, flavonoid and phenol contents in various natural yemeni honeys using multi-walled carbon nanotubes as a solid-phase extraction adsorbent. J. Agric. Food Chem., 62: 5443-5450.
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5. Al-Shaalan, N.H., 2012. Utilization of charge transfer and kinetic methods for the determination of doripenem. Am. J. Applied Sci., 9: 510-518.
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6. Al-Shaalan, N.H., 2012. Electroanalytical determination of Doripenem using a screen-printed electrode. Am. J. Pharmacol. Toxicol., 7: 1-7.
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7. Al-Shaalan,N.H., 2012. Extractive spectrophotometric assay of cyclizine in a pharmaceutical formulation and biological fluids. Saudi Pharmaceut. J., 20: 255-262.
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8. Al-Shaalan, N.H., 2011. Synthesis, characterization and biological activities of Cu(II), Co(II), Mn(II), Fe(II) and UO₂(VI) complexes with a new schiff base hydrazone: O-hydroxyacetophenone-7-chloro-4-quinoline hydrazone. Molecules, 16: 8629-8645.
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9. Al-Shaalan, N.H., 2010. Sensitive methods for determination of gabapentin in pure form and in pharmaceutical preparation. J. Saudi Chem. Soc., 14: 15-21.
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10. Al-Shaalan, N.H., 2010. Determination of phenylephrine hydrochloride and chlorpheniramine maleate in binary mixture using chemometric-assisted spectrophotometric and high-performance liquid chromatographic-UV methods. J. Saudi Chem. Soc., 14: 15-21.
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11. Al-Shaalan, N.H., 2007. Utility of certain π acceptors for spectrophotometric determination of sildenafil citrate. Am. J. Applied Sci., 4: 746-750.
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12. Al-Shaalan, N.H., 2007. Determination of diloxanide furoate and metronidazole in binary mixture using first derivative of the ratio-spectra and high-performance liquid chromatography-UV methods. Am. J. Applied Sci., 4: 66-72.
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13. Al-Sha'alan, N.H., 2007. Spectral and thermal studies of solid-phase thermochromism of Co(II) double metal complexes. Spectrochimica Acta Part A: Mol. Biomol. Spectrosc., 68: 204-210.
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14. Al-Sha'alan, N.H., 2007. Antimicrobial activity and spectral, magnetic and thermal studies of some transition metal complexes of a schiff base hydrazone containing a quinoline moiety. Molecules, 12: 1080-1091.
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