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Comparison of Several Methods for Determining the Internal Resistance of Lithium Ion Cells
Internal resistance of a cell was determined by current step methods, AC methods, electrochemical impedance spectroscopy and thermal loss methods, and the outcomes have been compared with each other.
High yield and stable transformation of the unicellular green alga Acetabularia by microinjection of SV40 DNA and pSV2neo
In the case of SV40‐treated cells T‐antigen was expressed and accumulated in the nuclei of all three generations studied as shown by indirect immunofluorescence, and both types of DNA are integrated into the host genome.
Transgenic rapeseed plants obtained by the microinjection of DNA into microspore-derived embryoids
Stable integration of fulllength microinjected genes into high molecular weight DNA was proven by Southern analysis of genomic DNA isolated from regenerated plants.
Enhancer‐controlled expression of the simian virus 40 T‐antigen in the green alga Acetabularia.
The results suggest that the well characterized SV40 can be used as a vector system for the introduction and expression of foreign genes in Acetabularia.
The lid forming apparatus in cysts of the green algaAcetabularia mediterranea
Cross sections and cross tangential sections of 1 to 3-day-old cysts (gametangia) of Acetabularia mediterranea were examined by electron microscopy and suggest that the cyst organizing secondary nucleus plays an important role in the formation of the Cyst lid.