PubMed · 247149
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L I Al'tgovzen. 1978. [A holding case for test tubes].. https://pubmed.ncbi.nlm.nih.gov/247149/
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A staining method to handle simultaneously as many as 20 electron microscope grids is described. The devices used are easily constructed of readily obtained inexpensive materials. The volumes of stain and wash water required are very small and drying grids is simplified.
A technique is described whereby-volume, self-filling micropipettes can be constructed with minimal time and effort. The delivery volumes of such pipettes may range from several picoliters to more than 100 nl. The delivery of a given pipette of even the smallest volume is precise, generally yielding standard deviations much less than 1% of the mean volume as measured by liquid-scintillation counting of isotope dilutions. The technique offers considerable advantage to previously described techniques for constructing small constant-volume pipettes.