In the ongoing battle against the global pandemic, the importance of timely and accurate diagnostic tools cannot be overstated. The GOLDEN TIME COVID-19 (SARS-CoV-2) Antigen Test Kit stands out as a critical innovation in this field, offering a rapid, user-friendly, and highly sensitive method for detecting the presence of the SARS-CoV-2 virus. Developed by Gaobeidian PRISES Biotechnology Co., Ltd., this test kit is designed to provide reliable results within minutes, enabling swift decision-making in healthcare settings and beyond. This article delves into the principle, features, components, technical specifications, and applications of the product, while also highlighting the company's commitment to quality and innovation.

Understanding the Principle: Immunochromatography for Rapid Detection

The GOLDEN TIME COVID-19 Antigen Test Kit utilizes immunochromatography, a widely recognized method in diagnostic testing. This technique relies on the specific interaction between antibodies and antigens to detect the presence of a target substance—in this case, the nucleoprotein of SARS-CoV-2. The test strip comprises two key components:

• Burgundy-colored conjugate pad: This contains mouse anti-novel coronavirus nucleoprotein monoclonal antibody conjugated with colloidal gold, which acts as a visible indicator for the presence of the virus.
• Nitrocellulose membrane strip: This features two lines—a test line (T line) pre-coated with antibodies for detecting the nucleoprotein and a control line (C line) that confirms the test's validity.

When a sample (nasal, oropharyngeal, or nasopharyngeal swab) is applied to the test strip, the antigen binds to the conjugated antibodies, creating a visible color change on the T line if the virus is present. The C line ensures the test is functioning correctly. This method eliminates the need for specialized equipment, making it accessible for point-of-care use.

According to the National Institute of Standards and Technology (NIST), immunochromatographic assays are critical in ensuring rapid and accurate diagnostic outcomes. Their research emphasizes the importance of standardized protocols to maintain consistency and reliability in such tests. The GOLDEN TIME kit adheres to these principles, providing results that align with clinical validation standards (NIST Reference).

Key Features: Simplicity, Speed, and Accuracy

The GOLDEN TIME kit is engineered to deliver three core advantages: ease of use, speed, and accuracy. These features make it an ideal choice for healthcare professionals, laboratories, and even individuals seeking self-testing options.

• Easier: The test requires no special equipment. Its intuitive design allows for simple visual interpretation, reducing the risk of user error.
• Rapid: Results are available in 10 minutes, enabling quick decision-making in critical situations.
• Accurate: The kit's 96.33% clinical sensitivity and 99.57% clinical specificity ensure reliable detection, validated by PCR and clinical diagnosis.
• Diverse: It works with multiple specimen types, including nasal, oropharyngeal, and nasopharyngeal swabs, ensuring flexibility in sample collection.

These features align with the NIST guidelines on point-of-care diagnostics, which emphasize the need for user-friendly, high-performance tools to support public health efforts (NIST Reference).

Components: Comprehensive and User-Friendly Packaging

The GOLDEN TIME kit comes in a 1/5/20 tests/carton configuration, with customization options available upon request. Each kit includes the following components:

• Individually sealed foil pouches containing:
• One device: Comprising a novel coronavirus monoclonal antibody and rabbit IgG antibody for the conjugate pad, novel coronavirus monoclonal antibody for the T line, and goat-anti-rabbit IgG antibody for the C line.
• One desiccant: To maintain the integrity of the test components.
• Sample tubes (20): Each containing 0.3ml of sample buffer.
• Nasopharyngeal swabs (20): Ensuring convenience for sample collection.
• Quick reference instructions (1): Providing clear, step-by-step guidance for users.

This comprehensive packaging ensures that all necessary materials are readily available, minimizing the risk of missing components during testing.

Technical Specifications: Precision and Performance

Parameter	Details
Product Name	COVID-19 (SARS-CoV-2) Antigen Rapid Test Kit
Brand Name	GOLDEN TIME
Methodology	Colloidal Gold
Specimen Type	Nasal swab, oropharyngeal swab, or nasopharyngeal swab
Clinical Sensitivity	96.330%
Clinical Specificity	99.569%
Overall Agreement	98.79%
Packing	1/5/20 tests/carton (Customizable)
Reading Time	10 minutes
Service Support	OEM/ODM

These specifications underscore the high performance and reliability of the GOLDEN TIME kit. The 98.79% overall agreement with PCR tests highlights its clinical accuracy, while the 24-month shelf life (stored at 2℃–30℃) ensures long-term usability. The kit also includes desiccants to protect against moisture, maintaining the stability of the test components.

Applications: Versatile Use Across Healthcare Settings

The GOLDEN TIME kit is designed for in vitro qualitative detection of SARS-CoV-2 antigens in human nasopharyngeal swabs. Its applications span multiple scenarios:

• Point-of-Care Testing (POCT): Ideal for use in clinics, pharmacies, and remote locations where rapid results are essential.
• Screening Programs: Facilitates large-scale testing in schools, workplaces, and public events to identify asymptomatic carriers.
• Home Use: Provides individuals with a convenient and reliable option for self-testing, especially in areas with limited access to medical facilities.
• Research and Development: Supports studies on viral transmission and the efficacy of public health interventions.

As noted by the NIST, such diagnostic tools are vital for monitoring and controlling outbreaks, particularly in resource-limited settings (NIST Reference). The GOLDEN TIME kit's versatility and ease of use make it a valuable asset in these scenarios.

Company Background: Gaobeidian PRISES Biotechnology Co., Ltd.

Gaobeidian PRISES Biotechnology Co., Ltd. is a leading manufacturer of diagnostic solutions, with a strong focus on innovation, quality, and customer satisfaction. Based in Gaobeidian, China, the company has established itself as a trusted provider of high-performance medical devices. Their commitment to research and development ensures that their products meet the highest standards of accuracy and reliability.

The GOLDEN TIME kit is a testament to the company's dedication to addressing global health challenges. By leveraging advanced technologies and adhering to international standards, PRISES Biotechnology continues to contribute to the fight against infectious diseases. Their OEM/ODM services allow for customization to meet specific client needs, further solidifying their position in the diagnostic industry (Company Website).

Conclusion: A Trusted Solution for Rapid Diagnostics

The GOLDEN TIME COVID-19 (SARS-CoV-2) Antigen Test Kit represents a significant advancement in point-of-care diagnostics. Its combination of speed, accuracy, and user-friendliness makes it an essential tool for healthcare professionals and individuals alike. With 96.33% clinical sensitivity and 99.57% clinical specificity, the kit ensures reliable results that align with PCR validation and clinical diagnosis.

As the world continues to navigate the challenges of the pandemic, tools like the GOLDEN TIME kit play a crucial role in early detection, containment, and public health management. By partnering with Gaobeidian PRISES Biotechnology Co., Ltd., users gain access to a product that is not only technologically advanced but also clinically validated and user-centric.

For more information about the GOLDEN TIME kit or to explore other diagnostic solutions, visit the GOLDEN TIME product page or contact Gaobeidian PRISES Biotechnology Co., Ltd. directly.

References

National Institute of Standards and Technology (NIST) (2025). Standards and Measurement for Diagnostic Technologies. Retrieved from

Keywords: rapid antigen test kit covid 19, covid-19 (sars-cov-2) antigen diagnostic test kit