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Issues And Trends In Healthcare Delivery System01:29

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The issues and trends in healthcare delivery are constantly changing. The COVID-19 pandemic is one recent issue that wreaked havoc on healthcare systems, causing a shortage of healthcare workers, high demand for medicines and supplies, and increased medical expenditure due to a lack of insurance. Other issues include rising healthcare costs and care fragmentation.
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Development of an Electrochemical DNA Biosensor to Detect a Foodborne Pathogen
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A Novel Visual Analysis Method of Food Safety Risk Traceability Based on Blockchain.

Zhihao Hao1,2,3, Dianhui Mao1,3, Bob Zhang2

  • 1National Engineering Laboratory for Agri-product Quality Traceability, Beijing Technology and Business University, Beijing 100048, China.

International Journal of Environmental Research and Public Health
|April 3, 2020
PubMed
Summary
This summary is machine-generated.

This study introduces a novel blockchain and visualization method to enhance food traceability, improving data integrity and risk analysis for food safety. The system intuitively identifies and traces food safety risks, aiding regulatory strategies.

Keywords:
blockchainfood safetyrisktraceabilityvisualization

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Area of Science:

  • Food Science
  • Computer Science
  • Data Science

Background:

  • Current food traceability systems suffer from data tampering and ineffective risk analysis.
  • There is a need for robust and intuitive methods to ensure food safety and track potential hazards.

Purpose of the Study:

  • To develop a novel food traceability system combining blockchain and visualization technologies.
  • To enhance data authenticity, validity, and enable intuitive risk assessment and tracing of food products.

Main Methods:

  • Utilized Hyperledger blockchain for a distributed, tamper-resistant information storage platform.
  • Designed a data structure model for blockchain implementation.
  • Established a food safety risk assessment model using failure rate and qualification deviation.
  • Employed visualization techniques including heat maps, migration maps, and force-directed graphs for risk analysis and tracing.

Main Results:

  • The proposed method ensures data authenticity and validity through blockchain features.
  • Quantitative analysis of food safety risks and intuitive visualization of unqualified products and their origins.
  • A case study on aquatic products demonstrated the system's effectiveness in identifying and tracing risks.

Conclusions:

  • The integrated blockchain and visualization approach significantly improves food traceability and risk management.
  • Provides an effective basis for developing targeted regulatory strategies in at-risk regions.
  • Offers an intuitive and reliable method for analyzing food safety incidents.