Core Technology
KSB offers a comprehensive portfolio of rapid diagnostic technologies, including qualitative and quantitative gold-conjugated immunoassays, fluorescence immunoassays and analysers. Combining rapid detection, quantitative capability, and stable analytical performance, these platforms support reliable point-of-care testing solutions across a wide range of clinical applications.
VeriLumenTM Fluorescence Immunoassays
Fluorescence immunoassays are a class of analytical techniques that rely on the principle of fluorescence, in which specific molecules emit light after being excited by a defined wavelength of electromagnetic radiation. In immunoassay applications, fluorescent labels are conjugated to antibodies or antigens, allowing the formation of immune complexes that generate measurable optical signals. The intensity of the emitted fluorescence is directly related to the concentration of the target analyte, enabling sensitive and quantitative detection.
KSB has developed a range of diagnostic reagents based on fluorescence immunoassay technology. These assays are designed for use in combination with fluorescence readers that perform signal excitation and detection to ensure accurate quantification. In clinical practice, this platform offers high sensitivity, rapid turnaround time, and stable analytical performance, making it highly suitable for point-of-care testing (POCT) applications.
Products
VeriGoldTM Quantitative Gold-Conjugated Immunoassays
Colloidal gold consists of gold nanoparticles dispersed in an aqueous solution. These nanoparticles are typically formed by reducing chloroauric acid using reducing agents such as sodium citrate, ascorbic acid, or white phosphorus, converting Au³⁺ ions into elemental gold. By adjusting the type and concentration of the reducing agent, the particle size can be precisely controlled, which in turn influences optical properties and assay performance.
In quantitative gold-conjugated immunoassays, colloidal gold is used as a signal label in immunochromatographic systems. After sample application, antigen–antibody complexes form on the test membrane and generate a visible signal at the test line. The signal intensity is then measured using a dedicated reader based on image analysis or optical density detection, enabling conversion into a numerical value. This allows accurate quantification of target analytes while maintaining the simplicity and speed of rapid testing, making the format well suited for point-of-care testing (POCT). KSB quantitative colloidal gold assays provide reliable analytical performance and valuable clinical diagnostic information to support timely patient care.
Products
VeriGoldTM Qualitative Gold-Conjugated Immunoassays
Colloidal gold consists of gold nanoparticles dispersed in an aqueous solution. These nanoparticles are typically formed by reducing chloroauric acid using reducing agents such as sodium citrate, ascorbic acid, or white phosphorus, converting Au³⁺ ions into elemental gold. By adjusting the type and concentration of the reducing agent, the particle size can be precisely controlled, which in turn influences optical properties and assay performance.
In qualitative gold-conjugated immunoassays, colloidal gold serves as a visual label in immunochromatographic rapid tests. When a sample is applied, target analytes bind to specific antibodies and are captured on the test line, where accumulated gold nanoparticles produce a visible colored band. The presence or absence of this band indicates a positive or negative result, respectively. This format enables fast, instrument-free interpretation and is widely used in decentralized and point-of-care testing scenarios where simplicity and speed are essential. KSB qualitative colloidal gold assays provide reliable visual detection and valuable clinical diagnostic information to support rapid patient assessment and care.
Products
Immunoassay Analysers
The CHF100 is a compact time-resolved fluorescence immunoassay (TRFIA) analyzer designed for routine clinical testing. Featuring an intuitive touchscreen interface, broad assay compatibility, and LIS connectivity, it supports efficient laboratory workflows and reliable data management. With low maintenance requirements, automated result handling, and a space-saving benchtop design, the CHF100 delivers dependable performance across a wide range of healthcare and laboratory settings.
The FIA-T6 is a benchtop fluorescence immunoassay analyser suited for routine clinical laboratory use. It offers similar intelligent functions including automatic card identification, multi-item testing, and incubation temperature control. With flexible network interfaces and LIS support, it enables efficient data management. Additional features such as internal quality control, remote software upgrades, and automatic fault alerts ensure reliable operation, while its moderate weight and compact footprint allow flexible placement in various testing environments.
The GIA-T1 is a lightweight, portable colloidal gold analyser designed for point-of-care settings. It combines a compact body with intelligent features such as automatic test card identification, multi-project simultaneous testing, and multiple detection modes. Temperature control ensures stable reagent performance, while wireless connectivity and LIS integration support seamless data transmission. Built-in thermal printing, automatic fault alerts, and remote diagnostic capabilities make it a user-friendly and low-maintenance solution.
Products
Let’s advance point-of-care diagnostics together
We develop and manufacture lateral flow immunoassays and POCT solutions for partners across diagnostics, life sciences, and healthcare. From custom assay development to OEM manufacturing, we support the full product lifecycle.
Shenzhen Kang Sheng Bao
Biotechnology Co., Ltd.
Second Floor, Block 3, Anda
Electronic Industrial Park,
Fuhai, Bao’an District,
518103 Shenzhen,
Guangdong Province, PRC
+86 0755 27417763
info@ksbbiotech.com
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