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The bioactive fractions were pooled, lyophilized and dissolved in water. This material was loaded onto a C-22 reversed-phase column (Wako pure chemicals) and eluted with water. The bioactive fractions were then applied onto a preparative thin layer chromatography (TLC, Merck) with ethyl acetate:...
Doxorubicin was purchased from Pharmacia, Pfizer Service Company (Zaventem, Belgium) and was soluble in water. Cell viability assay Cells were seeded at a density of 3 × 103 cells per well in 96-well plates overnight at 37 °C with 5% CO2, followed by incubated with various doses ...
The two poorly soluble iron containing solid aerosols of siderite (FeCO3) and magnetite (Fe3O4) were compared in a 4-week inhalation study on rats at similar particle mass concentrations of approximately 30 or 100 mg/m3. The particle size distributions were essentially identical (MMAD ≈1.4...
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INTRODUCTION Ironpans in soils have been observed and described for many years but their genesis is nor understood. I{uir (13), one ofthe ioted that the\. occurred commoniv iust belolr' the first Ae htoorizdoesncroibrerviiftghliPnatlhse' B horizon of Pertv Gleved Podzols'innoltheast ...
If the Mill Scale is on the plates, under vibration, the scale breaks down to dust and effectively leaves a void. The underside of the plate is coated with scale also and sits on a cementitious grout. The grout is water based which could result in the Mill Scale separating from the ...
Mucus can protect underlying epithelia by two mechanisms: decreasing HIV-1 infectivity via various soluble factors present in it and/or by temporarily trapping virions in the protein mesh, thus slowing their movement by several orders of magnitude compared with water [100–103]. Since HIV-1 is ...
Heating hydrated metal sulfate salt, an amino acid ligand and a reaction modifier in an enclosed environment, ligand to metal molar ratio is from 1:1-4:1... SD Ashmead,M Pedersen - US 被引量: 25发表: 2002年 Uptake and biological responses to nano-Fe versus soluble FeCl3 in excised ...
of this semifluid substance ,with is bounded on the outside by the plasma membrane .Organelles are suspended within it ,supported by the filamentous network of the cytoskeleton .dissolved in the cytoplasmic fluid are nutrients ,ions,soluble proteins ,and other materials needed for cell...