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# WWBT4: Wet Lab Analytical Methods

## Contributors
- Farzaana Diedericks (Research Trainer | PHA4GE)
- Barbara Ghiglione (Assistant Researcher at the National Research Council | CONICET)
- Alan Elena (Postdoctoral Scientist | Technische Universität Dresden)

## Module Details
- **Number of Sessions**: 1
- **Total Learning Time**: 40–50 min
- **Target Audience**: Bioinformaticians, Environmental Scientists, Biotechnologists, Biodiversity and Conservation Biologists, Health Officials
- **Format**: Lectures, Q&A and Interactive Discussions
- **Module Level**: Beginner
- **Required Topics**: None

---

## Learning Objectives

- Introduce participants to wet lab techniques in wastewater surveillance
- Understand the role of molecular biology in pathogen and contaminant detection
- Gain knowledge of SOPs and molecular data from WWS
- Understand chemical parameters and their effects on microbial growth

---

## Module Videos

1. [Introduction to Wet Lab Analysis](https://drive.google.com/file/d/17eFc1Auy0fGe7rZePQYwuf-MzLE0JrNT/view?usp=drivesdk)
2. [Pollutants in Raw Wastewater](https://drive.google.com/file/d/1NRytOU03pzMEtPhAkSk1XZrdClueq2Wz/view?usp=drivesdk)
3. [Wastewater Surveillance Definition](https://drive.google.com/file/d/12Li0M2ri8Lcl4x0T-8qZ-uZffl7_nq5Z/view?usp=drivesdk)
4. [Wet Lab for Public Health](https://drive.google.com/file/d/1yanqkH4bTQMLt469VdYS8eowh_cIz7L0/view?usp=drivesdk)
5. [Molecular Techniques Overview](https://drive.google.com/file/d/1TETpsxc3P8omxG44urS_exEQmmRhmXmh/view?usp=drivesdk)
6. [Molecular vs Traditional Methods](https://drive.google.com/file/d/1Q5rLkHI3h7yjQtLgr3AhU3OtgfsMkin8/view?usp=drivesdk)
7. [NGS and Public Health Labs](https://drive.google.com/file/d/191WtLIJrE-l12ikYrV8kfsuw5N0mgZMw/view?usp=drivesdk)
8. [Sequencing Techniques](https://drive.google.com/file/d/15PGbKetuILxUpLiNwGfjFIogvsfYdSo1/view?usp=drivesdk)
9. [Chemical, Biological & Physical Analysis](https://drive.google.com/file/d/1BgAmC4ckYHuW1G9leBpHdiUUlmoCX9ll/view?usp=drivesdk)
10. [Biosafety & Biosecurity](https://drive.google.com/file/d/1zNHG2cZvo22evBmWDBV-6tXSPV_37ecm/view?usp=drivesdk)

---

## Module Topics Overview

### 🧪 Introduction to Wet Lab Analysis
- Composition of wastewater
- Key pollutants and pathogens
- What is WWS?
- Importance for public health

### 🔬 Molecular and Sequencing Techniques
- PCR, qPCR, HT-PCR
- NGS: marker-based and shotgun metagenomics
- Public health relevance
- Infrastructure, collaboration and challenges

### 🧫 Microbiological Methods
- Culture-based methods (e.g. ESBL-producing *E. coli*)
- Limitations and integration with NGS
- WHO Tricycle Protocol

### ⚗️ Chemical, Physical and Biological Analyses
- Physical: pH, temperature, turbidity, etc.
- Chemical: BOD, COD, TOC, metals, drugs
- Microbiological: indicators, ARGs
- Ecotoxicological: bioassays, endocrine disruptors

### ✅ Quality Management
- ISO/IEC 17025, SOPs
- Equipment and reagents
- QA/QC measures
- LIMS and data integrity

### 🧷 Biosafety and Biosecurity
- Risk assessment
- PPE requirements
- Sample handling
- Facility requirements

---

## 💬 Discussion Points

- What are your lab's capabilities and challenges?
- What platforms and techniques do you use?
- Why is qPCR still widely used over metagenomics?
- In what cases would metagenomics be preferred?

**Question:** How can we balance feasibility and scientific value in LMIC settings?

**Question:** How do method choices (culture vs molecular) affect target selection?

---

## 📖 Recommended Reading

- WHO Tricycle Protocol
[https://www.who.int/publications/i/item/9789240021402]
- Liguori et al. (2022). *Antimicrobial resistance monitoring of water environments: A framework for standardized methods and quality control*. Environmental Science & Technology, 56(13).
[https://pubs.acs.org/doi/10.1021/acs.est.1c08918]