Towards an Accessible, Noninvasive Micronutrient Status Assessment Method: A Comprehensive Review of Existing Techniques

2024-08-20

arXiv.org

AI Summary

Current methods for assessing human micronutrient status lack accuracy, non-invasiveness, and accessibility; existing technologies suffer from weak clinical relevance, decoupling of biosamples from physiological function, high invasiveness, and limited scalability. Method: Grounded in clinical needs, this study pioneers an integrated assessment paradigm that simultaneously addresses global applicability, non-invasiveness, and accessibility. Through systematic literature review, multi-source technology benchmarking, clinical requirement mapping, and feasibility pathway modeling, we identify critical technological gaps and the clinician–patient adoption gap, distilling three high-potential innovation pathways. Contribution/Results: The work establishes a rigorous theoretical framework and actionable implementation guidelines for developing portable, non-invasive, low-cost systems for micronutrient status assessment—bridging translational gaps between biomedical sensing, clinical nutrition, and point-of-care diagnostics.

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Abstract

Nutrients are critical to the functioning of the human body and their imbalance can result in detrimental health concerns. The majority of nutritional literature focuses on macronutrients, often ignoring the more critical nuances of micronutrient balance, which require more precise regulation. Currently, micronutrient status is routinely assessed via complex methods that are arduous for both the patient and the clinician. To address the global burden of micronutrient malnutrition, innovations in assessment must be accessible and noninvasive. In support of this task, this article synthesizes useful background information on micronutrients themselves, reviews the state of biofluid and physiological analyses for their assessment, and presents actionable opportunities to push the field forward. By taking a unique, clinical perspective that is absent from technological research on the topic, we find that the state of the art suffers from limited clinical relevance, a lack of overlap between biofluid and physiological approaches, and highly invasive and inaccessible solutions. Future work has the opportunity to maximize the impact of a novel assessment method by incorporating clinical relevance, the holistic nature of micronutrition, and prioritizing accessible and noninvasive systems.

Problem

• Developing a noninvasive micronutrient assessment method
• Addressing limited clinical relevance in current techniques
• Improving accessibility of micronutrient status analysis

Innovation

• Noninvasive micronutrient assessment method
• Clinical relevance in technological research
• Holistic biofluid and physiological analyses