Biochemistry Unit

| Introduction | Research | Diagnostic Services |

| 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2000 | 1999 | 1998 |

 

Year 2008

 Oligosaccharides analysis separation using Thin Layer Chromatography (Tiunh TY, Zabedah MY)

 Serum Chitotriosidase assay as a screening method for Gaucher's disease (Affandi O, Zabedah MY, Nurul HM)

Quantitative enzyme assays for Fabry and Pompe diseases from blood spot (Affandi O, Tiunh TY, Zabedah MY)

 

Year 2007

Quantitation of S-sulphocysteine in urine by simple and rapid HPLC system as a diagnostic marker for Molybdenum Cofactor deficiency (Zabedah MY, Affandi O, Rozilah AKS, Chen BC, Bushra RA, Ngu LH)

Plasma very long chain fatty acids and phytanic acids in Peroxisomal disorders among young children in Malaysia (Voon PT, Zabedah MT, Ngu LH)

 Biochemical Studies on Galactosemia in Malaysia (Affandi O, Zabedah MY, Noor Aini AH, Norsiah MD, Keng WT, Thong MK)

 

Year 2006

 High risk screening of Inborn Error of Metabolism using Tandem Mass Spectrometry (Salina AR, Zabedah MY, Affandi O, Hafizul A, Rosliza D, Chiy YS)

 Total and free carnitine measurement as a diagnostic tool for Inborn Errors of Metabolism (IEM) (Affandi O, Rozilah AKS, Zabedah MY)

Rapid screening of Inborn Errors of Metabolism in neonatal dried blood spot using Tandem Mass Spectrometry (MS/MS) (Zabedah MY, Choy YS, Salina AR, Affandi O)

 

Year 2005

  Analysis of Very Long Chain Fatty Acids and Phytanic Acids in plasma as diagnostic marker for peroxisomal disorders ( Norhazwati M, Zabedah MY, Shaik Alaudeen MM, Choy YS, Ngu LH )

  Affandi O, Roslizah D, Zabedah MY ( Salina AR , Roslizah D, Zabedah MY )

  Determination of urinary pterins by HPLC for biochemical profiling of hyperphenylalaninaemia ( Zabedah MY, Lee BH, Azizah R )

  Determination of orotic acids in urine using High performance Liquid Chromatography (HPLC) ( Zabedah MY, Arba'yah S )

 

Year 2004

  Detection of amino acids and acylcarnitines in dried blood spot by Tandem Mass Spectroscopy (LC MS/MS) as a new screening method for Inborn Error of Metabolism ( Salina AR , Zabedah MY, Affandi O, Roslizah D )

  Plasma Chitotriosidase Assay as a screening tool for Lysosomal Storage Disease ( Affandi O, Zabedah MY )

  Analysis of plasma very long chain fatty acids and phytanic Acids as diagnostic marker for peroxisomal disorders ( Norazwati M, Allaudin S, Zabedah MY )

  Urinary oligosaccharide detection by thin layer chromatography as a screening for Oligosaccharidoses ( Zabedah MY, Ikram Shafi'i )

  Method Comparison Between Tandem Mass Spectrometry and Amino Acid Analyser For Measurement Of Amino Acids In Serum ( Salina AR, Zabedah MY, Affandi O, Roslizah D, Rizalman J )

  Method evaluation for enzymatic analysis of L-Carnitine in serum ( Affandi O, Zabedah MY, Rizalman J )

  Glycerol Kinase Deficiency: Diagnosis by Gas Chromatography-Mass Spectrometry (GC-MS) analysis in urine ( Pertiwi AKD, Zabedah MY, Choy YS & Mazanah MD )

  Variable phenotype among children with 3-hydroxyisobutyric acidemia ( Ngu LH, Choy YS, Pertiwi AKD, Zabedah MY, Keng WT, Chen BC , Hussain IHMI )

  Natural history and therapeutic trial of co-enzyme Q, carnitine and vitamins in children with ethylmalonic encephalopathy ( Choy YS, Ngu LH, Pertiwi AKD, Zabedah MY, Hussain IHMI, George T, Norsiah MD, Taufik I )

 

Year 2003

  Multianalyte detection of dried blood specimens from newborns using Tandem Mass Spectrometer

  Pilot project on introduction of newborn screening for Inborn Error of Metabolism in Malaysia

  Development and evaluation of method for Oligosaccharides detection as diagnostic marker for oligosaccharidoses

  Phytanic acids and very long chain fatty acids as diagnostic markers for peroxisomal diseases

  Rapid quantitation of orotic acids and succinylacetone using state-of-the-art technology for urea cycle enzyme defects and tyrosinemia

  Measurement of enzyme chitotriosidase for screening of lysosomal storage disease

  Rapid detection of argininosuccinic acids for the screening of argininosuccinase deficiency

 

Year 2002

  Biochemical and physical studies of methylmalonic aciduria (MMA).

  New screening method for mucopolysaccharidoses (MPS).

  Total galactose measurement using spectrofluorometer.

  Biochemical studies of Tyrosinemia Type 1.

 

Year 2000

  Biochemical diagnosis of Maple Syrup Urine Disease in Malaysia (Zabedah MY, Choy YS, Pertiwi AKD, Siti Aisiah M, Suwaji S & Zakiah I)

  Propionic acidaemia: detection by the GCMS technique (Pertiwi AKD, Choy YS, Zabedah Y, Suwaji S & Zakiah I)

  Biochemical diagnosis of urea cycle defect (Zabedah W, Siti Aisiah M, Choy YS & Zakiah I)

  Cases of undiagnosed cryoglobulin: An example of advantages of traditional manual method in laboratory investigation (Zakiah I, S Hawa M, Lizaros S, Thean NS , Zawiah A & Rusli Z)

 

Year 1999

  Quantitation of free amino acids in human serum using HPLC and precolumn derivatisation with phenyl isothiocyanate (PITC) (Zabedah MY, Siti Aisiah M, Pertiwi AKD & Zakiah I)

  Molecular analysis of p53 gene in malignant colon tissues (Norsiah MD, Yusnita Y, Zakiah I, Zubaidah Z & Haron A)

  Analysis of methamphetamine in urines of ‘syabu' addicts by HPLC (Mohd Isa W, Jalilah H & Zakiah I)

  Gas chromatographic profiles of urinary organic acids from healthy children (Pertiwi AKD, Suwaji S, Zabedah MY, Norizah A & Zakiah I)

  Heavy metals and health effects: a cross-sectional study of residents in mining areas in Sabah, Malaysia (Mohd Fairulnizal MN, Zakiah I, Kreetharan A, Nordin AA, Surinder SD, Muhamad Taha A & Salmijah S)

  Laboratory audit on the VMA requests (Zakiah I, Norsiah MD, Mariah W & Zabedah MY)

 

Year 1998

  Tumour markers CA242 and CEA in colorectal cancer patients (Zakiah I, Zawiah A, Norsiah MD, Sebastian T, Zubaidah Z & Harun A)

  Quality control as a quality improvement activity: the Malaysian experience (Zakiah I, Lim HH & the MOH QC Working Group)

  Measured versus calculated LDL cholesterol – the direct immuno-precipitation method and the indirect approach compared (Lim HH, Thong ML & Zakiah I)

  Evaluation of a homogenous enzyme immunoassay method for cyclosporine (Thong ML & Lim HH)

  Serum levels of apolipoprotein A-1, apolipoprotein B and lipoprotein (a) in a Malaysian population sample (Norsiah MD, Siti Hawa M, Rozita WMW, Ismail S, Rushidy R & Zakiah I)

  Serum interleukin-6 as a tumour marker in multiple myeloma (Zawiah A, Thean NS & Zakiah I)

  Identification of organic acids by capillary gas chromatography in the screening of organic acidurias (Pertiwi AKD, Azhar AH & Zakiah I)

  Effect of Aloe vera extracts on cell proliferation (Norizah A, Permeen Y, Zakiah I & Wan Zurinah WN)

  Development of selective solid phase extraction sorbents for drug bioanalysis

  Comparison methods for the detection of anti double-stranded DNA antibody in human serum (Zabedah MY & Yap SF)

  Vanylmandelic acid levels in patients with the diagnosis of pheochromocytoma and neuroblastoma: a 24-hour urine sample versus random sample (Norsiah MD, Rohaya A & Zakiah I)

 

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