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Landauer Inc shannon entropy
Shannon Entropy, supplied by Landauer Inc, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/shannon+entropy/entropy/pm42072502-73-23-0
Average 86 stars, based on 1 article reviews
shannon entropy - by Bioz Stars, 2026-09
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Article Title: Quantifying and Analyzing the Uncertainty in Fault Interpretation Using Entropy
Article Snippet: Fault interpretation in geology inherently involves uncertainty, which has driven the need to develop methods to quantify and analyze this uncertainty.. This paper introduces a novel framework for this task by integrating graph theory, entropy, and random walk.. The proposed approach employs graph theory to mathematically represent a fault network in both map-view and profile sections.

Article Title: Econophysics and the Landauer Principle: A Redefinition of Economic Temperature.
Article Snippet: Landauer’s principle states that whenever an operation many-to-one maps memory states (reset/overwrite/decision finalization), the information-bearing degrees of freedom lose at least ln2 of Shannon entropy per erased bit, and the environment must gain at least the same entropy; hence a minimal dissipated energy E = ln2kBT.

Article Title: Reversible work extraction in a hybrid opto-mechanical system
Article Snippet: Landauer’s erasure and Szilard engines are fundamental Gedanken experiments, where elementary amounts of information, quantified by the Shannon entropy of the encoding system, can be reversibly converted into elementary amounts of energy W0.

Article Title: A Hyperbolic Sum Rule for Probability: Solving Recursive ("Chicken and Egg") Problems.
Article Snippet: We are used to treating both probability and information anthropomorphically (that is, depending on what you or I might be expected to know): here we will establish an impersonal sense of probability, in the same way that Landauer insisted on the (impersonal) Shannon entropy sense of his Information.

Article Title: Computing With Physical Systems
Article Snippet: To apply more broadly, Landauer’s Principle generalizes to W ≥ kBT∆H, where ∆H is the change in Shannon entropy between a computational system’s initial and final information-bearing states [16,17,160].

Article Title: Thermodynamics of Quantum Information in Noisy Polarizers
Article Snippet: Landauer’s principle concerns the change in heat relative to the change in Shannon entropy, which can be expressed as the derivative −dQ/(−ds) along a system trajectory.



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Bioedit Company shannon’s entropy formula with a natural log
(A) Protein alignment of the RhinoCA (ASR), R . ferrumequinum (R. ferr), and P . alecto (P. alec) OAS1 sequences. RhinoCA sites are coloured by each predicted state’s posterior probability. The bars on the bottom row indicate the <t>Shannon’s</t> entropy of each site in the alignment of all 18 Chiroptera OAS1 proteins. Secondary structure alpha helices (zigzag) and beta sheets (arrows) involved in the protein/RNA interface and the active site triad residues D74/D75/D147 are annotated underneath the entropy row (as described for the human OAS1 protein in Donovan and colleagues ). The CAAX box signal at the C-terminal end of the sequence is highlighted in yellow. (B) Maximum likelihood phylogeny of the Chiroptera OAS1 proteins informed by their species tree topology. The ancestrally reconstructed (RhinoCA) node, the branch where the prenylation signal was deleted and the clades of each superfamily are annotated on the tree. The variable indel region sequence of OAS1 is shown on the right of each tip. Residues are coloured according to potential homology between the proteins. ASR, ancestral sequence reconstruction; OAS1, 2′-5′-oligoadenylate synthetase 1.
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Image Search Results


Journal: bioRxiv

Article Title: Highly Conserved Core Residues Define Old-World Alphaviruses and Trace Early Evolutionary Divergence

doi: 10.1101/2025.09.25.678619

Figure Lengend Snippet:

Article Snippet: Site-wise variability (either all Alphavirus or only Old-World Alphaviruses) was further examined using Shannon entropy calculation performed in BioEdit v7.2.5 on the MSA.

Techniques: Comparison, Selection

(A) Protein alignment of the RhinoCA (ASR), R . ferrumequinum (R. ferr), and P . alecto (P. alec) OAS1 sequences. RhinoCA sites are coloured by each predicted state’s posterior probability. The bars on the bottom row indicate the Shannon’s entropy of each site in the alignment of all 18 Chiroptera OAS1 proteins. Secondary structure alpha helices (zigzag) and beta sheets (arrows) involved in the protein/RNA interface and the active site triad residues D74/D75/D147 are annotated underneath the entropy row (as described for the human OAS1 protein in Donovan and colleagues ). The CAAX box signal at the C-terminal end of the sequence is highlighted in yellow. (B) Maximum likelihood phylogeny of the Chiroptera OAS1 proteins informed by their species tree topology. The ancestrally reconstructed (RhinoCA) node, the branch where the prenylation signal was deleted and the clades of each superfamily are annotated on the tree. The variable indel region sequence of OAS1 is shown on the right of each tip. Residues are coloured according to potential homology between the proteins. ASR, ancestral sequence reconstruction; OAS1, 2′-5′-oligoadenylate synthetase 1.

Journal: PLOS Biology

Article Title: Resurrection of 2′-5′-oligoadenylate synthetase 1 (OAS1) from the ancestor of modern horseshoe bats blocks SARS-CoV-2 replication

doi: 10.1371/journal.pbio.3002398

Figure Lengend Snippet: (A) Protein alignment of the RhinoCA (ASR), R . ferrumequinum (R. ferr), and P . alecto (P. alec) OAS1 sequences. RhinoCA sites are coloured by each predicted state’s posterior probability. The bars on the bottom row indicate the Shannon’s entropy of each site in the alignment of all 18 Chiroptera OAS1 proteins. Secondary structure alpha helices (zigzag) and beta sheets (arrows) involved in the protein/RNA interface and the active site triad residues D74/D75/D147 are annotated underneath the entropy row (as described for the human OAS1 protein in Donovan and colleagues ). The CAAX box signal at the C-terminal end of the sequence is highlighted in yellow. (B) Maximum likelihood phylogeny of the Chiroptera OAS1 proteins informed by their species tree topology. The ancestrally reconstructed (RhinoCA) node, the branch where the prenylation signal was deleted and the clades of each superfamily are annotated on the tree. The variable indel region sequence of OAS1 is shown on the right of each tip. Residues are coloured according to potential homology between the proteins. ASR, ancestral sequence reconstruction; OAS1, 2′-5′-oligoadenylate synthetase 1.

Article Snippet: The entropy value for each site in the Chiroptera OAS1 protein alignment shown in was calculated using Shannon’s entropy formula with a natural log as implemented in Bioedit [ ] (H(l) = -Sf(a,l)ln(f(a,l)); f(a,l) being the frequency of amino acid a at position l).

Techniques: Sequencing