Evaluation of Status of Cadmium, Lead, and Nickel Levels in Biological Samples of Normal and Night Blindness Children of Age Groups 3- and 8-2?Years
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- 作者：Hassan Imran Afridi (1) (2)
Tasneem Gul Kazi (1)
Naveed Kazi (3)
Sirajuddin (1)
Ghulam Abbas Kandhro (1)
Jameel Ahmed Baig (1)
Abdul Qadir Shah (1)
Sham Kumar Wadhwa (1)
Sumaira Khan (1)
Nida Fatima Kolachi (1)
Faheem Shah (1)
Mohammad Khan Jamali (1)
Mohammad Balal Arain (1) - 关键词：Night blindness ; Cadmium ; Lead ; Nickel ; Biological samples ; Wet acid digestion methods ; Children ; Age groups (3-2) ; Atomic absorption spectrophotometer
- 刊名：Biological Trace Element Research
- 出版年：2011
- 出版时间：September 2011
- 年：2011
- 卷：142
- 期：3
- 页码：350-361
- 全文大小：169KB
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Tasneem Gul Kazi (1)
Naveed Kazi (3)
Sirajuddin (1)
Ghulam Abbas Kandhro (1)
Jameel Ahmed Baig (1)
Abdul Qadir Shah (1)
Sham Kumar Wadhwa (1)
Sumaira Khan (1)
Nida Fatima Kolachi (1)
Faheem Shah (1)
Mohammad Khan Jamali (1)
Mohammad Balal Arain (1)
1. National Center of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, 76080, Pakistan
2. Mechanical and Manufacturing Engineering, Dublin City University, Dublin, Ireland
3. Liaquat University of Medical and Health Sciences, Jamshoro, 76080, Pakistan
文摘
The causes of night blindness in children are multifactorial, and particular consideration has been given to childhood trace metals toxicity, which is the most common problem found in underdeveloped countries. This study was designed to compare the levels of cadmium (Cd), lead (Pb), and nickel (Ni) in scalp hair, blood, and urine of night blindness children age ranged 3- and 8-2?years of both genders, comparing them to sex- and age-matched controls. A microwave-assisted wet acid digestion procedure was developed as a sample pretreatment, for the determination of Cd, Pb, and Ni in biological samples of night blindness children. The proposed method was validated by using conventional wet digestion and certified reference samples of hair, blood, and urine. The digests of all biological samples were analyzed for Cd, Pb, and Ni by electrothermal atomic absorption spectrometry. The results indicated significantly higher levels of Cd, Pb, and Ni in the biological samples (blood, scalp hair, and urine) of male and female night blindness children, compared with control subjects of both genders. These data present guidance to clinicians and other professional investigating toxicity of trace metals in biological samples of night blindness children.