Nearest Blood Locator for Emergency Blood Management Using Full Stack Web Technologies

Abstract

The availability of compatible blood during emergency situations remains a critical challenge in healthcare systems. Traditional methods of locating blood donors or blood banks often rely on manual communication, social media posts, or hospital networks, which can delay life-saving medical treatment. This paper presents the design and development of a Nearest Blood Locator System, a full-stack web-based platform that connects blood donors, recipients, and blood banks through a centralized digital system. The proposed system enables recipients to search for nearby blood donors and blood banks based on the required blood group and location. The platform includes role-based access for donors, recipients, and blood banks, secure authentication using JWT tokens, and a database-driven architecture using MySQL. The frontend is implemented using React with Vite for fast development and responsive user interfaces, while the backend is built with Flask REST APIs for handling authentication, search operations, and database interactions. The system improves emergency response time by enabling real-time blood search functionality, centralized donor information management, and efficient blood bank inventory tracking. Experimental testing demonstrates that the platform provides quick access to blood availability information, improves coordination among users, and significantly reduces the time required to locate suitable donors or blood banks.

Introduction

Blood donation is essential for modern healthcare, but finding compatible donors in emergencies is often slow and inefficient due to lack of centralized systems. Traditional methods like hospital calls or social media are unreliable.

The Nearest Blood Locator System is a web-based platform that connects donors, recipients, and blood banks. It allows role-based registration, location-based search, blood inventory management, and emergency blood requests, reducing time and improving communication.

System Architecture:

• Presentation Layer: User interface using React and Vite.
• Application Layer: Business logic via Flask with RESTful APIs.
• Data Layer: MySQL database for storing users, donor details, requests, and inventory.

Key Features & Workflow:

1. User Registration & Authentication: JWT-based secure access for donors, recipients, and blood banks.
2. Blood Search & Request: Search by blood group and location; post emergency requests.
3. Data Management: Real-time updates of donor availability and blood bank inventory.

Modules:

• Authentication Module: Registration, login, and security.
• Donor Module: Manage donor profiles and respond to requests.
• Recipient Module: Search for donors/blood banks, post requests.
• Blood Bank Module: Manage profiles, update inventory, respond to requests.
• Search Module: Enables efficient donor and blood bank search.

The system streamlines blood donation management, ensuring faster, reliable access to blood during emergencies.

Conclusion

In conclusion, the Nearest Blood Locator System provides an effective and reliable solution to address the challenges of finding blood during emergency situations. By integrating donors, recipients, and blood banks into a centralized digital platform, the system simplifies the process of locating compatible blood and significantly reduces the time required for searching. The system is built using modern web technologies such as React, Flask, and MySQL, which ensure a responsive user interface, efficient backend processing, and secure data management. The implementation of role-based access control and JWT authentication enhances system security and ensures that users can access only relevant features based on their roles. The experimental results demonstrate that the system performs efficiently with fast response time, high accuracy in search results, and stable performance under different conditions. The platform successfully enables users to search for blood donors and blood banks, manage data effectively, and post emergency requests when required. The use of a three-tier architecture ensures clear separation between the frontend, backend, and database layers, making the system scalable and easy to maintain. This modular design allows future enhancements such as mobile applications, real-time notifications, and integration with hospital systems to be implemented easily.

References

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Copyright

Copyright © 2026 Dodda Nagasivasai , Chapala Mahidhar , Bonam SDSVV Surya Sai, Akula Venkata Sai Pavan, Yegireddi Satya Vinod. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.