purchase of hplc reagents , hplc grade methanol , sodium hypochlorite , dpx mountant , geimsa stain solution , 15ml centrifuge tubes for lymphocyte culture-sterile , tissue culture flask for amniotic fluid culture , 2 ml disposable syringes , sterile powder free gloves6’’small , nitrile gloves 6’’ small , tissue paper rolls , universal barrier / filter micro tips-sterile, 100-1000?l , sterile universal micro tips 0.2-20?l , sterile universal micro tips 2-20?l , micro tips 100-1000?l , micro tips 20-200?l , pasteur pippettes 3ml , microscopic slides-75mmx25mm , cover glass / cover slip square big 22 x 40 , cover glass / cover slip square big 22 x 22 , cover glass / cover slip square big 18 x 18 , ph paper strips , micro centrifuge tubeswith cap