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African Journal of Traditional, Complementary, and Alternative Medicines (1)
Lab on a chip (1)
Azam, FM Safiul (1)
Bottenus, Danny (1)
Dong, Wen-Ji (1)
Dutta, Prashanta (1)
Hossan, Mohammad Robiul (1)
Hossan, S (1)
Ivory, Cornelius F. (1)
Jahan, Rownak (1)
Mollik, MAH (1)
Ouyang, Yexin (1)
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Year of Publication
Preconcentration and detection of the phosphorylated forms of cardiac troponin I in a cascade microchip by cationic isotachophoresis†
, Mohammad Robiul
Ivory, Cornelius F.
Lab on a chip
This paper describes the detection of a cardiac biomarker, cardiac troponin I (cTnI), spiked into depleted human serum using cationic isotachophoresis (ITP) in a 3.9 cm long poly(methyl methacrylate) (PMMA) microfluidic channel. The microfluidic chip incorporates a 100x cross-sectional area reduction, including a 10x depth reduction and a 10x width reduction, to increase sensitivity during ITP. The cross-sectional area reductions in combination with ITP allowedvisualization of lower concentrations of fluorescently labeled cTnI. ITP was performed in both “peak mode” and “plateau mode” and the final concentrations obtained were linear with initial cTnI concentration. We were able to detect and quantify cTnI at initial concentrations as low as 46 ng mL−1 in the presence of human serum proteins and obtain cTnI concentrations factors as high as ~ 9000. In addition, preliminary ITP experiments including both labeled cTnI and labeled protein kinase A (PKA) phosphorylated cTnI were performed to visualize ITP migration of different phosphorylated forms ofcTnI. The different phosphorylated states of cTnI formed distinct ITP zones between the leading and terminating electrolytes. To our knowledge, this is the first attempt at using ITP in a cascade microchip to quantify cTnI in human serum and detect different phosphorylated forms.
Folk Medicinal Uses of Verbenaceae Family Plants in Bangladesh
Azam, FM Safiul
African Journal of Traditional, Complementary, and Alternative Medicines
Folk medicinal practitioners form the first tier of primary health-care providers to most of the rural population of Bangladesh. They are known locally as Kavirajes and rely almost solely on oral or topical administration of whole plants or plant parts for treatment of various ailments. Also about 2% of the total population of Bangladesh are scattered among more than twenty tribes residing within the country's borders. The various tribes have their own tribal practitioners, who use medicinal plants for treatment of diseases. The objective of the present survey was to conduct an ethnomedicinal survey among the Kavirajes and tribal practitioners to determine which species of plants belonging to the Verbenaceae family are used by the practitioners. The Verbenaceae family plants are well known for constituents having important bio-active properties. The present survey indicated that 13 species belonging to 8 genera are used by the folk and tribal medicinal practitioners of Bangladesh. A comparison of their folk medicinal uses along with published reports in the scientific literature suggests that the Verbenaceae family plants used in Bangladesh can potentially be important sources of lead compounds or novel drugs for treatment of difficult to cure debilitating diseases like malaria and rheumatoid arthritis.
Verbenaceae; folk medicine; Bangladesh; medicinal plants
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