Specific 260/280 and 260/230 absorption ratios indicate pure RNA samples

the verdict

SUPPORTED

the evidence backs this

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2 sources for · 0 against

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Specific A260/A280 and A260/A230 absorption ratios are widely utilized in molecular biology as standard indicators of nucleic acid purity, specifically for confirming pure RNA samples free of protein and chemical contaminants.

The analysis

The claim is a well-established methodological standard in molecular biology: spectrophotometric absorption ratios (A260/A280 around 2.0 and acceptable A260/A230 ranges) are standard quality-control indicators for RNA purity. Retrieved papers such as [3] and [5] directly utilize these specific ratios to evaluate and confirm the purity of their extracted RNA samples.

Evidence for · 2

Optimising RNA extraction for paddy bulk soil samples for metatranscriptome sequencing.

Recorded source metadata

Sivaprakasam S, Yee Fan T, Kumarasan Y, Hata EM, Vadamalai G, Petersen B, Sicheritz-Pontén T, Parimannan S, Rajandas H. Optimising RNA extraction for paddy bulk soil samples for metatranscriptome sequencing.. 2025. https://doi.org/10.1186/s13104-025-07342-9

Paper [3] uses A260/A280 ratios as a primary indicator to evaluate the quality and purity of extracted RNA.

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More for · 1

Optimized Protocol for RNA Isolation from Penicillium spp. and Aspergillus fumigatus Strains.

Recorded source metadata

Siniecka-Kotula A, Mroczyńska-Szeląg M, Brillowska-Dąbrowska A, Holec-Gąsior L. Optimized Protocol for RNA Isolation from Penicillium spp. and Aspergillus fumigatus Strains.. 2024. https://doi.org/10.3390/cimb46110778

Paper [5] relies on A260/A280 and A260/A230 absorption ratios as key metrics to demonstrate the superior purity and integrity of isolated RNA.

Source citation format

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first checked01 Aug 2026

judged → SUPPORTED · 7501 Aug 2026

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