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Comparison of base substitutions in response to nitrogen ion implantation and 60Co-gamma ray irradiation in Escherichia coli
To identify the specificity of base substitutions, a novel experimental system was established based on rifampicin-resistant (Rifr) mutant screening and sequencing of the defined region of the rpoBExpand
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The present state and perspectives of low-energy heavy ion biology
The interaction between low-energy ions and matter has been concerned rarely comparing to that of high-energy ions. It is even more unusual to find studies of the interaction of low-energy ions andExpand
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Transferring Gus gene into intact rice cells by low energy ion beam
Abstract A new technique of transferring genes by low energy ion beam has been reported in this paper. The Gus and CAT (chloramphenicol acetyltransferase) genes, as “foreign” genetic materials, wereExpand
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Mutation-Screening in Xylanase-Producing Strains by Ion Implantation
With ion implantation (N+, energy 10 keV and dosage 1.56 ? 1015 N+ cm-2), a high xylanase-producing strain Aspergillus niger N212 was selected. Based on an orthogonal experiment, an optimalExpand
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Removal of algal blooms in freshwater by magnetic polymer.
Removal of algal blooms in freshwater by chitosan and Fe3O4 compound under magnet field action was studied.Under the condition of the amounts of chitosan and Fe3O4 were 1.6,4mg/L,0.5T magnetic fieldExpand
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Breeding of arachidonic acid-producing strain by low-energy ion implantation
Low energy ion implantation technology was used in mutation breeding on arachidonic acid (5, 8, 11, 14-eicosatetraenoic acid, AA) yielding starting strain, Mortierelle alpina N7. The results indicateExpand
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Study of Genetics and Embryology of Polyembryonic Mutant of Autotetraploid Rice Induced by N+ Beam Implantation
In the present study autotetraploid rice IR36-4X was treated by an ion implantation technique with nitrogen ion beams. A polyembryonic mutant (named IR36-Shuang) was identified in the M2 generation.Expand
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KEV ION IRRADIATION OF SOLID GLYCINE : AN EPR STUDY
Abstract The radicals formed in keV ion irradiation of solid glycine were studied using electron parameter resonance (EPR). Spectra were observed at different temperature from 100 to 310 K afterExpand
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Optimization of L-lactic Acid Production of Rhizopus Oryzae Mutant RLC41-6 by Ion Beam Implantation at Low-Energy
In order to obtain an industrial strain with a higher L(+)-lactic acid yield, the strain Rhizopus oryzae RF3608 was mutated by means of nitrogen ion beam implantation and the mutant strain RLC41-6Expand
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Nickel-induced apoptosis and relevant signal transduction pathways in Caenorhabditis elegans.
Many investigations have shown that nickel exposure can induce micronuclei generation, inhibit DNA repair and induce cell apoptosis, both in cells and tissues. However, there is a lack of appropriateExpand
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