A fully automatized apparatus for studying the spectrophotometer-monitored thermal transition of nucleic acids is described. Measurements are made with improved accuracy over standard methods, under thermodynamically well-defined conditions (thermal and phase equilibrium). Examples of highly resol
Small-volume cuvette for high-resolution thermal denaturation of nucleic acids
โ Scribed by A.T. Ansevin; D.L. Vizard
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- English
- Weight
- 696 KB
- Volume
- 97
- Category
- Article
- ISSN
- 0003-2697
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โฆ Synopsis
A small-volume cuvette and holder makes it possible to obtain useful high-resolution thermal denaturation profiles on as little as submicrogram quantities of DNA and routine results with approximately 2 pg of DNA. The reduced sample size is especially important in the thermal characte~zation of DNA restriction fragments. If only the transition midpoint is needed, 0.05 pg of DNA can suffice. With the new microcuvette assembly, multiple samples may be determined simultaneously using a single-beam spectrophotometer equipped with a commercially available cuvette positioner.
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