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arxiv: 2605.00205 · v2 · pith:ZOPMWVXHnew · submitted 2026-04-30 · 🪐 quant-ph

Quantum in Biology, Quantum for Biology, and Biology for Quantum: Mapping the Evidence and the Road Ahead

Lea Gassab , Betony Adams , Yashine H. Goolam Hossen , Onur Pusuluk , Nirosha J. Murugan , Iannis K. Kominis , \"Ozg\"ur E. M\"ustecapl{\i}o\u{g}lu , Francesco Petruccione
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Travis J. A. Craddock
This is my paper

Pith reviewed 2026-05-09 20:11 UTC · model grok-4.3

classification 🪐 quant-ph
keywords quantum biologyradical-pair mechanismenzymatic tunnelingmagnetoreceptionquantum tools for biologybiomolecular quantum devicesevidence mapping
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The pith

The review maps evidence for quantum effects in biology and finds only enzymatic tunneling and radical-pair magnetoreception as mature cases.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

This paper provides a structured narrative evidence map of the intersections between quantum science and biology across three directions: quantum in biology, quantum for biology, and biology for quantum. For each topic it examines the mechanistic claim, the quantum resource involved, the strongest supporting experiments and models, the competitive classical alternatives, and the decisive tests that would shift confidence. The authors identify mechanistically constrained tunneling in some enzymatic hydrogen-transfer reactions and radical-pair spin chemistry for magnetoreception as the most mature quantum-in-biology cases, while noting that many other topics remain suggestive but unconfirmed under physiological conditions. In the other directions, the key issues are whether quantum tools outperform classical baselines in biology and whether biology aids quantum device fabrication. This approach matters because it offers a systematic way to evaluate claims in a field prone to both promise and overinterpretation.

Core claim

The paper establishes that a structured narrative evidence map of quantum-biology intersections reveals two mature cases in quantum-in-biology—mechanistically constrained tunneling in enzymatic hydrogen-transfer reactions and radical-pair spin chemistry as a viable framework for magnetoreception—while higher-visibility topics stay suggestive but unresolved under physiological conditions. For quantum-for-biology the central question is improvement over classical baselines under realistic constraints, and for biology-for-quantum the strongest claims come from measurable improvements in quantum device fabrication or robustness via biomolecular structure or self-assembly.

What carries the argument

The structured narrative evidence map, which for each topic specifies the mechanistic or technological claim, the invoked quantum resource, strongest experiments and models, competitive classical alternatives or confounds, and decisive tests or benchmarks.

Load-bearing premise

The assumption that the chosen topics, experiments, and classical alternatives fairly represent the current literature without systematic selection bias or omission of contradictory results.

What would settle it

A decisive experiment demonstrating long-lived quantum coherence in photosynthetic systems under physiological conditions with no viable classical alternative would challenge the assessment that such topics remain unresolved.

Figures

Figures reproduced from arXiv: 2605.00205 by Betony Adams, Francesco Petruccione, Iannis K. Kominis, Lea Gassab, Nirosha J. Murugan, Onur Pusuluk, \"Ozg\"ur E. M\"ustecapl{\i}o\u{g}lu, Travis J. A. Craddock, Yashine H. Goolam Hossen.

Figure 1
Figure 1. Figure 1: FIG. 1. Conceptual framework used throughout the review. Each topic is mapped across three directions: quantum in biology, quantum for [PITH_FULL_IMAGE:figures/full_fig_p003_1.png] view at source ↗
Figure 2
Figure 2. Figure 2: FIG. 2. Overview of selected key topic areas in quantum in biology. The panels schematically represent DNA replication and proton transfer, [PITH_FULL_IMAGE:figures/full_fig_p004_2.png] view at source ↗
Figure 3
Figure 3. Figure 3: FIG. 3. Overview of representative directions in quantum for biology. The panels illustrate quantum simulation of molecular and spin-dynamical [PITH_FULL_IMAGE:figures/full_fig_p010_3.png] view at source ↗
Figure 4
Figure 4. Figure 4: FIG. 4. Overview of representative directions in biology for quantum. The panels schematically show DNA origami scaffolds, virus [PITH_FULL_IMAGE:figures/full_fig_p013_4.png] view at source ↗
read the original abstract

Quantum science and biology now intersect in three complementary directions: quantum in biology, quantum for biology, and biology for quantum. This review provides a structured narrative evidence map of that interface rather than an exhaustive catalogue or formal systematic review. For each topic, we ask what the mechanistic or technological claim is, which quantum resource is invoked, what the strongest experiments and models establish, which classical alternatives or engineering confounds remain competitive, and what decisive tests or benchmarks would most strongly change confidence. The most mature quantum-in-biology cases remain mechanistically constrained tunneling in some enzymatic hydrogen-transfer reactions and radical-pair spin chemistry as a viable framework for magnetoreception, whereas several higher-visibility topics remain suggestive but unresolved under physiological conditions. In quantum for biology, the central issue is whether quantum-enabled tools improve biological inference relative to strong classical baselines under realistic calibration, dose, throughput, and uncertainty constraints. In biology for quantum, the strongest claims arise when biomolecular structure or self-assembly measurably improves fabrication, integration, or robustness in quantum devices. Summary tables in the Appendix provide a compact cross-map view of the current evidence, major confounds, and the experiments or benchmarks most likely to discriminate between competing explanations.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

0 major / 3 minor

Summary. The manuscript offers a structured narrative evidence map of the intersections between quantum science and biology in three directions: quantum in biology, quantum for biology, and biology for quantum. For each topic it examines the mechanistic or technological claim, the quantum resource invoked, the strongest experiments and models, competitive classical alternatives, and decisive tests or benchmarks. The central conclusion is that mechanistically constrained tunneling in some enzymatic hydrogen-transfer reactions and radical-pair spin chemistry as a framework for magnetoreception remain the most mature quantum-in-biology cases, while several higher-visibility topics are suggestive but unresolved under physiological conditions. Summary tables in the Appendix provide a compact cross-map of evidence, confounds, and discriminating experiments.

Significance. If the mapping is accurate, the review supplies a useful evidence-based framework that can help researchers prioritize experiments, distinguish robust quantum effects from classical alternatives, and identify the benchmarks most likely to resolve remaining ambiguities. By systematically addressing per-topic quantum resources, experimental support, and competitive explanations, it reduces the risk of overinterpretation in an interdisciplinary field and offers a compact reference for both experimentalists and theorists.

minor comments (3)
  1. [Appendix] The appendix tables would be clearer if the column headers explicitly distinguished 'quantum resource invoked' from 'strongest experimental support' and 'competitive classical alternatives' (currently the mapping is inferable but not labeled).
  2. A short glossary or footnote defining the maturity descriptors ('mechanistically constrained,' 'viable framework,' 'suggestive but unresolved') would aid readers who are not already familiar with the cited literature.
  3. [Quantum for Biology] A few sentences in the quantum-for-biology section are long and contain multiple clauses; splitting them would improve readability without changing content.

Simulated Author's Rebuttal

0 responses · 0 unresolved

We thank the referee for their careful reading and positive assessment of the manuscript. Their summary accurately reflects the scope, structure, and central conclusions of the review. We are pleased that the evidence-mapping approach and the identification of mature versus unresolved cases were found useful. As the referee raises no major comments or requests for clarification, we have no revisions to propose.

Circularity Check

0 steps flagged

No significant circularity in this evidence-mapping review

full rationale

This is a narrative review paper that structures and summarizes external literature on quantum-biology topics without any internal derivations, equations, predictions, or fitted parameters. It explicitly positions itself as a non-exhaustive evidence map, asking per-topic questions about mechanistic claims, quantum resources, experiments, classical alternatives, and decisive tests, then tabulating external findings. No load-bearing step reduces by construction to a self-definition, a fitted input renamed as prediction, or a self-citation chain; all maturity classifications and conclusions rest on cited external results rather than quantities defined inside the paper. The derivation chain is therefore self-contained against external benchmarks.

Axiom & Free-Parameter Ledger

0 free parameters · 1 axioms · 0 invented entities

The report rests on the assumption that the cited literature accurately represents the field and that the three-direction framework captures the main intersections without introducing new physical postulates.

axioms (1)
  • standard math Standard criteria for evaluating mechanistic claims and experimental support in interdisciplinary science
    The review applies established scientific standards for assessing which quantum resources are required and which classical alternatives remain viable.

pith-pipeline@v0.9.0 · 5569 in / 1285 out tokens · 27304 ms · 2026-05-09T20:11:22.818075+00:00 · methodology

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