M. F. El-Shahat, N. Burham; S.M.Abdel-Azeem;, Preconcentration and separation of copper, cobalt and manganese using neutral red grafted polyurethane foam (NRGPUF), Al-Azhar Bull. Sci. 16 (2005) 117 – 137.

N. Burham; S.M.Abdel-Azeem; M. F. El-Shahat, Separation and determination of trace amounts of zinc, lead, cadmium and mercury in tap and qaroun lake water using polyurethane foam functionalized with 4- hydroxytoluene and 4-hydroxyacetophenone,Analytica Chimica Acta 579 (2006) 193–201.

N. Burham; S.M.Abdel-Azeem; M. F. El-Shahat, Determination of lead and cadmium in tap water and apple leaves after preconcentration on a new acetylacetone bonded polyurethane foam sorbent, International Journal of Environmental Analytical Chemistry, volume 88 (2008) 775.

N. Burham, S. M. Abdel Azeem and M. F. El-Shahat, Removal of Pb and Cd from aqueous media and fish liver using novel polyurethane foam functionalized with pyrazolone as a new metal ion collector, Central European Journal of Chemistry, 7 (2009) 576.

N. Burham, S. M. Abdel Azeem and M. F. El-Shahat, Solid phase selective separation and green preconcentration of Cu, Zn, Pb and Cd in drinking water by using novel functionalized resin, Central European Journal of Chemistry, 7(2009) 945-954.

N. Burham, S. M. Abdel Azeem and M. F. El-Shahat, Determination of heavy metal ions in environmental samples employing preconcentration on novel resins of polyurethane foam linked with o-aminophenol or o- haydroxyphenylazo naphthol, International Journal of Environmental Analytical Chemistry, 7(2009)576-585.

M. F. El-Shahat, N. Burham, S. M. Abdel Azeem, Flow Injection Analysis – Solid Phase Extraction (FIA-SPE) Method for Preconcentration and Determination of Trace Amounts of Penicillins Using Methylene Blue Grafted Polyurethane Foam, J. Hazard. Mater. 177(2010) 1054-60.

Samy M. ABDEL AZEEM,* Samah ALI,**† and Mohamed F. EL-SHAHAT** Sorption Characteristics of Caffeine onto Untreated Polyurethane Foam: Application to Its Determination in Human Plasma Analytical Sciences 27 (2011) 1133-1137.

S.M. AbdelAzeem a, H.M.Kuss b, M.F.El-Shahat c 5. Cationic polyelectrolyte copolymer modified polyurethane foam for flow injection preconcentration and separation of trace amounts of ?-lactam antibiotics Talana 97 (2012) 513-520.

Synthesis and application of alizarin complexone functionalized polyurethane foam:Preconcentration/separation of metal ions from tap water and human urine .

Acetylacetone phenylhydrazone functionalized polyurethane foam: Determination of copper, zinc and manganese in environmental samples and pharmaceutics using flame atomic absorption spectrometry.

Determination of total iron in food samples after flow injection preconcentration on polyurethane foam functionalized with N,N-bis(salicylidene)-1,3-propanediamine

Trihalomethanes formation in water treatment plants and distributionlines: a monitoring and modeling scheme

Determination of trace metal ions in water and plant samples using polyurethane foam modified with 2-aminothiazole

On-line Determination of Zinc in Water and Biological Samples after Its Preconcentration onto Zincon Anchored Polyurethane Foam

Ultra-high-pressure liquid chromatography–solid-phase clean-up for determining aflatoxins in Egyptian food commoditie