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Recent Articles

Toxic Effect of Titanium (Tio2) on Wistar Rat (Rattus Norvegicus) Injected by Intravenously

Titanium dioxide (TiO2) (<100 nm) has been widely used in the production of paints, paper, and plastics, as well as in food additives and colorants .It has been classified as biologically inert in both humans and animals. Here we studied the toxicity of TiO2 on Wister rat. Main exposure area of NPs is caudal vein of Wistar rat.

Human Induced Pluripotent Stem Cells Derived from A Patient with Sporadic Alzheimer’s Disease Exhibit Altered Neuronal Proliferative Capacity

We generated two hiPSC clones from a patient with sporadic late-onset Alzheimer’s disease (AD-iPSCs), which expressed typical undifferentiated markers and passed standard pluripotency assays. Genome-wide microarray analysis revealed that AD-iPSCs were highly similar to control hiPSCs and hESCs, albeit with some noticeable differences in few genes, viz.: DNAJC15, GRPR, NAIP and SNORD116-18

Diet, Nutritional Status and School Performance of Schoolchildren in the District of Abidjan: Case of Yopougon and Bingerville

The objective of this study is to assess the relationship between food intake, nutritional status and good school performance among schoolchildren in the district of Abidjan. A cross-sectional study was carried out from December 2015 to April 2016 in 426 schoolchildren in Yopougon and Bingerville, two communes in the district of Abidjan. The nutritional status was defined starting from the BMI and calculated with Who Anthro Plus v1.0.4. The student and chi-square tests were used to compare the numbers and proportions. Binary and multiple logistic regressions have been used to see the association between good academic performance and the quality of food consumed and socio-demographic characteristics.

Flavonoid Content and Antioxidant Properties of Different Black Tea Infusions

Tea is one of the most widely consumed beverages in the world, next only to water. Some teas are not pure varieties, but have been enhanced through additives or special processing, which allows for the design of an almost endless range of scented and flavored variants. The aromatized teas are popular due to their aroma and organoleptic properties. Tea polyphenols, especially flavonoids have attracted considerable interest because of their associated health properties. Several studies have demonstrated that tea flavonoids possess strong antioxidant activity and metal chelating properties, thus may protect cells and tissues against reactive oxygen species. In this study the content of flavonoids in the infusions of several commercially available teas (black and aromatized) was determined by HPLC-MS in the negative electrospray ionization mode. All types of tea contained epigallocatechin-3-gallate (EGCG) in the greatest amounts. Higher content of rutin was found in pure black tea infusions comparing to aromatized teas. Some teas with citrus aromas or fruits contained also other flavonoids such as naringin and hesperidin. Infusions of black teas exhibited higher antioxidant properties evaluated in FolinCiocalteu and DPPH assays.