PCR Test Training

Lesson 1 • Chemical and Biological Waste Disposal

Covers segregation, labeling, and disposal of PCR reagents and biological specimens. Connects proper waste handling to regulatory compliance and environmental protection.

Lesson 2 • Personal Protective Equipment Protocols

Details correct donning, doffing, and disposal of gloves, gowns, masks, and eye protection. Reinforces contamination prevention as a prerequisite for valid PCR results.

Lesson 3 • Biosafety Levels and Risk Classification

Defines biosafety levels and maps pathogen risk groups to appropriate containment requirements. Provides the safety foundation for all subsequent laboratory activities.

Lesson 1 • Key Reagents and Their Roles

Identifies essential PCR components including DNA polymerase, primers, dNTPs, and buffer. Students learn how each reagent contributes to reaction fidelity and yield.

Lesson 2 • PCR Variants and Applications Overview

Surveys major PCR formats including RT-PCR, qPCR, and multiplex PCR. Positions each variant within its diagnostic or research context for later chapters.

Lesson 3 • DNA Structure and Replication Basics

Covers nucleotide composition, base pairing, and the double-helix model as prerequisites for PCR logic. Establishes the molecular vocabulary used throughout the chapter.

Lesson 1 • Specimen Receipt and Pre-Analytical Processing

Details laboratory intake procedures including visual inspection, rejection criteria, and accessioning. Connects pre-analytical steps to downstream extraction and amplification quality.

Lesson 2 • Specimen Transport and Cold Chain

Covers temperature requirements, packaging standards, and transport timelines for PCR specimens. Maintains pre-analytical quality that directly affects downstream amplification performance.

Lesson 3 • Specimen Types and Collection Sites

Describes nasopharyngeal, oropharyngeal, saliva, and other specimen types used in PCR diagnostics. Explains how collection site affects viral load and result accuracy.

Lesson 1 • Nucleic Acid Quality Assessment

Teaches spectrophotometric and fluorometric quantification of extracted nucleic acid. Quality metrics guide dilution decisions and predict PCR amplification efficiency.

Lesson 2 • Principles of Nucleic Acid Extraction

Explains cell lysis, nucleic acid binding, washing, and elution as universal extraction steps. Establishes the conceptual framework applied to all manual and automated methods.

Lesson 3 • Extraction Troubleshooting

Identifies common extraction failures including low yield, degradation, and inhibition. Systematic troubleshooting restores extraction performance and protects result validity.

Lesson 4 • Automated Extraction Platforms

Introduces high-throughput automated extractors, their programming, and maintenance requirements. Automation reduces hands-on error and increases throughput for high-volume PCR testing.

Lesson 1 • Thermal Cycler Programming and Operation

Details how to program cycle parameters including temperature, time, and ramp rates. Correct programming directly determines amplification efficiency and product specificity.

Lesson 2 • Reaction Component Preparation

Covers thawing, vortexing, and centrifuging reagents before master mix assembly. Proper preparation prevents pipetting errors and ensures consistent reaction conditions.

Lesson 3 • Plate and Tube Loading Techniques

Covers systematic sample layout, positive and negative control placement, and sealing methods. Organised loading prevents cross-contamination and supports accurate data interpretation.

Lesson 4 • Run Monitoring and Completion

Teaches real-time monitoring of amplification curves and instrument alerts during a run. Timely intervention during a run prevents wasted reagents and invalid results.

Lesson 1 • Understanding Ct Values and Amplification Curves

Explains cycle threshold values, sigmoid curve phases, and their relationship to target quantity. Ct interpretation is the primary skill for determining positive, negative, and indeterminate results.

Lesson 2 • Report Generation and Result Communication

Teaches structured report formatting, result coding, and secure transmission to ordering providers. Accurate reporting closes the diagnostic loop and supports clinical decision-making.

Lesson 3 • Control Performance Evaluation

Covers interpretation of positive, negative, and internal extraction controls within each run. Control failures invalidate the run and trigger defined corrective action workflows.

Lesson 4 • Positive, Negative, and Indeterminate Calls

Defines result categories using assay-specific cutoff criteria and control performance. Students apply decision rules consistently to minimize misclassification errors.

Lesson 1 • Nonconformance and Root Cause Analysis

Covers identification, documentation, and resolution of nonconforming events in PCR testing. Root cause analysis prevents recurrence and demonstrates continuous improvement to accreditors.

Lesson 2 • Designing a PCR QC Plan

Guides students through selecting control materials, setting acceptance criteria, and scheduling QC runs. A structured QC plan detects systematic errors before they affect patient results.

Lesson 3 • Levey-Jennings Charts and Trend Analysis

Teaches construction and interpretation of Levey-Jennings charts to detect shifts and trends. Visual trend analysis enables early detection of reagent degradation or instrument drift.

Lesson 4 • Quality Control Fundamentals

Defines accuracy, precision, sensitivity, and specificity as core QC metrics for PCR assays. These metrics form the basis for evaluating assay performance across all subsequent QC activities.

Lesson 1 • Assay Validation and Verification

Covers method validation parameters including accuracy, precision, and interference testing. Validation data demonstrate assay fitness for clinical use and satisfy regulatory submission requirements.

Lesson 2 • Real-Time Quantitative PCR Optimization

Covers standard curve construction, efficiency calculation, and dynamic range assessment for qPCR. Optimized qPCR delivers accurate quantification essential for viral load monitoring.

Lesson 3 • Systematic PCR Troubleshooting Framework

Provides a structured approach to diagnosing false positives, false negatives, and inhibition. Systematic troubleshooting reduces time-to-resolution and protects diagnostic accuracy.

Lesson 4 • Digital PCR Principles and Applications

Introduces droplet and chip-based digital PCR for absolute quantification without a standard curve. Digital PCR is applied to low-abundance targets and rare variant detection.