Reasons for choosing our testing services
ZHONGXI Testing has obtained inspection qualification certifications from multiple countries and regions worldwide. We possess a senior testing team and advanced testing methods, providing independent, impartial, and professional third-party verification services for global carbon projects.
Internationally recognized authority
Certified by multiple international standards such as CNAS, VCS, and GS, with reports universally applicable worldwide.
Global service capability
Covering 140+ countries and regions, it supports on-site detection and remote verification in multiple languages.
Professional experimental methods
Adopt standard experimental methods to ensure accurate and reliable data.
Selecting a testing partner begins with understanding the scope of services offered. For microbial strain typing and genotyping, particularly for Pseudomonas aeruginosa, our laboratory provides comprehensive MLST analysis. This method is widely used in clinical, environmental, and industrial microbiology due to its high resolution and reproducibility. Clients seeking precise strain differentiation for research, quality control, or regulatory compliance can rely on our state-of-the-art molecular biology capabilities.
Testing Scope
Our Pseudomonas aeruginosa MLST analysis service covers a broad range of applications and materials. We accept various sample types, including clinical isolates, environmental samples, and industrial cultures. The testing is applicable to different grades of microbial purity and is suitable for both research and quality assurance purposes. Commonly referenced standards include ISO 21530, ISO 11731, and CLSI EP 43-A2 for methodological validation. Additionally, our results are compatible with international databases such as PubMLST for comparative analysis.
Testing Items and Parameters
The MLST analysis focuses on housekeeping genes to determine the sequence types of Pseudomonas aeruginosa. The typical test parameters and graded limit requirements are outlined below:
| Parameter | Typical Range | Graded Limit |
|---|---|---|
| Sequence accuracy | 99.9% - 100% | ≤ 0.1% error |
| Turnaround time | 5 - 7 working days | ≤ 1 day delay |
| Concordance rate | ≥ 98% | ≤ 2% discrepancy |
| Database match precision | ≥ 95% | ≤ 5% misclassification |
Additional services include genetic variability analysis and custom reporting based on client requirements. All results are provided with a comprehensive interpretation of the strain typing data.
Data and Variation Analysis
Parallel-sample and batch-to-batch variation are rigorously assessed to ensure methodological consistency. For each sample, two parallel analyses are conducted, and the relative deviation between replicates is calculated. Typically, the relative deviation remains within 2% for all parameters, meeting the acceptance window defined by ISO 21530. Batch-to-batch variation is monitored by performing quality control samples at regular intervals. Any deviation outside the 95% confidence interval triggers a re-evaluation of the workflow. Statistical analysis of data includes coefficient of variation (CV) and standard deviation (SD) calculations to quantify precision. Results are reported with 95% confidence intervals for each parameter, ensuring robust and reproducible outcomes.
Send us your testing item list and sample details, and our engineers will confirm the applicable items and turnaround within one working day.