Dr Bouteldja

Page 1: Overview

Course Details

  • Semester: 5

  • Teaching Unit: UEM

  • Subject: Instruments and Methods in Biology and Laboratory Safety

  • Credits: 5

  • Coefficient: 3

Teaching Objectives

  • To teach students various laboratory techniques and methods.

  • To introduce students to bench work under the guidance of Dr. Bouteldja Meryem.

Page 2: Assessment

Course Structure

  • Type: TP (Practical Work)

  • Coefficient: 5

  • Credits: 3

Syllabus Information

  • Final Exam: 60%

  • TP (Practical Work): 40% (includes practical report and oral exam)

Recommended Prior Knowledge

  • Understanding of basic laboratory techniques and safety rules.

Page 3: Content Outline

Chapters Overview

  • CHAP. I: Precautions in Laboratory and Use of Equipment

  • CHAP. II: Microscopy Techniques

    • Light Microscopy

    • Transmission Electron Microscopy

    • Scanning Electron Microscopy

  • CHAP. III: Spectral Methods

    • Molecular Absorption Spectrophotometry

    • Fluorimetry

    • Atomic Emission Photometry

    • Atomic Absorption Spectrophotometry

    • Nuclear Magnetic Resonance

Page 4: Advanced Techniques

Chapter Continuation

  • CHAP. IV: Fractionation Methods

    • Filtration

    • Sedimentation

    • Dialysis

    • Electrodialysis

    • Chromatographic Methods (Liquid and Gas)

  • CHAP. V: Labeling Methods

    • Isotopic Methods

    • Radioimmunological Assays

    • Radioenzymatic Assays

  • CHAP. VI: Molecular Biology Methods

  • CHAP. VII: Sample Preservation Methods

  • CHAP. VIII: Sterilization Methods

Page 5: Safety in Laboratories

Chapter I

  • Importance of precautions in a laboratory setting.

Common Equipment Use

  • Familiarization with common lab equipment.

Page 6: Laboratory Safety

General Safety Guidelines

  • Importance of safety equipment to prevent accidents in the laboratory setting.

  • Risks inherent in laboratory environments such as fire, corrosive chemicals, and sharp tools.

Page 7: Health Risks in Laboratories

Types of Risks

  • Highlighting risks in laboratory operations: acute to chronic impacts based on hazards present.

  • Emphasizes the need for constant vigilance in lab settings due to the various potential hazards.

Page 8: Chemical Hazards

Mitigation Strategies

  • OSHA standards for chemical handling in laboratories:

    • Hazard Communication standard for employee training.

    • OSHA Lab Standard for identifying hazards and employee exposure.

Page 9: Chemical Exposure and Protection

Effects of Chemical Hazards

  • Information on exposure routes (inhalation, skin contact, ingestion) and potential health impacts.

Protective Measures

  • Use of personal protective equipment (PPE) such as gloves, goggles, and lab coats.

Page 10: Chemical Risk Assessment

Importance of Labeling

  • Understanding hazard labeling and Safety Data Sheets (SDS).

CMR Classifications

  • Focus on classification and associated risks of certain chemicals.

Page 11: Hazard Symbols

Chemical Hazard Symbols

  • Overview of different hazard pictograms and their meanings in a laboratory context.

Page 12: Biological Hazards

Biological Risk Management

  • Addressing risks associated with microbes and recombinant organisms in labs.

  • Importance of Institutional Biosafety Committees for managing biological research risks.

Page 13: Working with Infectious Agents

Contamination Prevention

  • Discussing methods to avoid contamination and transmission of infectious agents in laboratory settings.

Page 14: Allergens in Laboratory Settings

Common Biological Hazards

  • Analysis of allergies related to laboratory animal care and the impact on lab personnel.

Page 15: Prevention of Biological Risk

Protective Measures

  • Overview of protective equipment and operational protocols to prevent cross-contamination in labs.

Page 16: Physical Hazards in Labs

Identifying Physical Risks

  • Describing physical hazards encountered in laboratory environments, including electrical and ergonomic risks.

Page 17: Laboratory Apparatus Overview

Laboratory Equipment

  • Introduction to essential laboratory apparatus utilized in experiments.

Page 18: Importance of Laboratory Apparatus

Role in Research

  • Emphasizes the significance of accurate and reliable laboratory tools for effective data collection.

Page 19: Categories of Laboratory Apparatus

Types of Equipment

  1. Measuring Tools (e.g., beakers and pipettes)

  2. Heating Devices (e.g., Bunsen burners)

  3. Glassware (e.g., flasks and test tubes)

  4. Analytical Instruments (e.g., microscopes)

  5. Protective Gear (e.g., gloves and goggles)

  6. Plasticware (use in specific contexts)

Page 20: Common Laboratory Apparatus Names

Common Tools and Their Uses

  • Lists of common laboratory apparatus names (e.g., beakers, test tubes) and their respective uses.

Page 21: Glassware and Equipment

Types of Glassware

  1. Test tubes

  2. Beakers

  3. Flasks

  4. Reagent bottles

  5. Funnels

Devices and Safety Equipment

  • Listing safety equipment used in laboratories (e.g. lab coats, eyewash stations).

Page 22: Laboratory Glassware Functions

Overview of Glassware

  1. Beaker - for mixing and heating liquids

  2. Test Tube - for holding or heating small quantities

  3. Evaporating Dish - for evaporating and heating liquids

  4. Graduated Cylinder - measures liquid volumes accurately.

Page 23: Complex Laboratory Equipment

Advanced Equipment

  • Describes more specialized equipment like distilling flasks, centrifuges, and Bunsen burners.

Page 24: Safety Equipment Overview

Essential Safety Gear

  • Description of safety equipment required to maintain safety standards in laboratories.

Page 25: Personal Safety in Laboratories

Proper Lab Attire

  • Detailed points on appropriate safety attire and equipment that lab personnel must wear.

Page 26: Equipment Handling Guidelines

Proper Maintenance

  • Guidelines for cleaning, handling, and maintaining laboratory equipment for accuracy and longevity.

Page 27: Guidelines for Equipment Use

Safety Instructions

  • General guidelines to ensure safety when using laboratory equipment, including proper training and maintenance.

Page 28: Laboratory Rules

Importance of Rules

  • Distinguishing between rules and guidelines in laboratory settings, emphasizing safety.

Page 29: General Lab Safety Guidelines

Basic Safety Rules

  • Key basic lab safety protocols everyone entering the lab must observe.

Page 30: Personal Protection Safety Rules

Protection Protocols

  • Highlights necessary personal protective behaviors in the lab, including precautions against chemical exposure.

Page 31: Hazardous Equipment Guidelines

Laboratory Equipment Safety

  • Discusses safety procedures required when operating equipment with specific hazards.

Page 32: Waste Disposal Guidelines

Proper Waste Management

  • Outlines necessary steps for safe and proper waste recovery in lab settings.

Page 33: Personal Protection Guidelines

PPE Regulations

  • Guidelines for personal protective equipment and hygiene practices to prevent contamination.

Page 34: Hazardous Material PPE

PPE in High Hazard Areas

  • Guidelines for equipment and clothing that must be utilized in high-risk laboratory environments.

Page 35: Creating Safe Labs

Contributions to Lab Safety

  • Discussing how all lab personnel play a role in maintaining safety through proper protocols.

Page 36: Housekeeping Safety Rules

Keeping Labs Safe

  • Important housekeeping rules to ensure a safe and clean laboratory environment.

Page 37: Dress Code Safety Rules

Clothing Restrictions in Labs

  • Guidelines for appropriate dress codes in laboratory settings to reduce risks.

Page 38: Chemical Safety Rules

Safety Protocols for Chemical Handling

  • Important chemical lab safety protocols that employees should follow.

Page 39: Chemical Handling Provisions

Safe Chemical Management

  • Key points for handling chemicals safely and the significance of proper labeling.

Page 40: Ventilation and Chemical Handling

Safe Use of Chemicals

  • Detailed precautions regarding the use of hazardous chemicals in laboratory settings.

Page 41: Electrical Safety in Labs

Guidelines for Electrical Equipment

  • Discusses electrical safety measures needed to operate laboratory equipment safely.

Page 42: Physical Risk Prevention

Understanding Risks in Labs

  • Basic protocols for addressing identified physical risks in laboratory environments.

Page 43: Common Mistakes in Laboratories

Errors to Avoid

  • Overview of common laboratory mistakes to promote better practices.

Page 44: Additional Common Laboratory Mistakes

Laboratory Conduct Pitfalls

  • More examples of frequent mistakes made in labs that should be avoided.

Page 45: Hazard Pictograms

Understanding Risk Symbols

  • Identifying hazard codes and their significance in lab safety.

Page 46: Emergency Response to Chemical Spills

Small Spill Intervention

  • Safety procedures to follow in the event of a chemical spill in lab settings.

Page 47: Cleaning Up Chemical Spills

Guidelines for Spill Cleanup

  • Steps to safely clean small chemical spills, emphasizing PPE usage.

Page 48: Biological Product Spills

Biological Safety Protocols

  • Safety measures to follow in case of spills involving biological materials.

Page 49: Skin Exposure Protocols

Addressing Skin Contact with Hazards

  • Procedures for dealing with skin exposure incidents in laboratory situations.

Page 50: Glassware Safety in Labs

Hazards of Glassware Use

  • Discusses the risks associated with glassware and proper handling techniques.

Page 51: Safety with Centrifuges

Centrifuge Protocols

  • Best practices for safe usage of centrifuges in laboratory settings.

Page 52: Safe Usage of Gas Burners

Precautions When Using Gas Burners

  • Key guidelines for safely operating gas burners in labs.

Page 53: Heating Devices in Labs

Safe Operation Guidelines

  • Important safety practices when using heating devices in the laboratory.

Page 54: Best Practices for Ovens

Ovens Safety Procedures

  • Discusses safety protocols related to oven usage in lab settings.

Page 55: Hot Plates Use

Hot Plate Operational Safety

  • Instructions for using lab hot plates safely.

Page 56: Safety with Mixing Devices

Proper Use of Stirring Equipment

  • Guidelines for using stirring and mixing devices in laboratories.

Page 57: Water Bath Precautions

Managing Water Bath Operations

  • Important reminders for the use and management of water baths in labs.

Page 58: Laboratory Safety Commitment

Student and Worker Safety

  • Emphasizing the importance of prioritizing safety in laboratory operations.

Page 59: Microscopy Techniques

Introduction

  • Overview of microscopy techniques to be covered in the course.

Page 60: Cell Biology Introduction

Focus on Cell Structures

  • Highlights the significance of microscopy in studying cell architecture and processes.

Page 61: History of Microscopy

Development of Microscopic Technology

  • Discussing milestones in the advancement of microscopy.

Page 62: Types of Microscopes

Images of Historical Microscopes

  • Illustrating historical models of microscopes and their evolution.

Page 63: Microscope Usage Techniques

Proper Usage Protocol

  • Steps and precautions to follow when using a microscope.

Page 64: Principles of Microscopy

General Principles Explained

  • Discusses key microscopy concepts including magnification and resolution.

Page 65: Resolution Fundamentals

Understanding Image Clarity

  • Explanation of factors impacting resolution in microscopy.

Page 66: Calculation of Resolution

Resolving Power Explained

  • Formula for calculating the resolution of a microscope.

Page 67: Microscope Types Overview

Different Types of Microscopes

  • Outlining various types of microscopy techniques.

Page 68: Optical Microscopy

Understanding Optical Microscopy

  • Explains how light microscopes work and their applications.

Page 69: Components of a Light Microscope

Identifying Microscopy Parts

  • Breakdown of the parts and functionalities of a light microscope.

Page 70: Light Microscopy Techniques

Types of Light Microscopy

  • Listing various lighting techniques in microscopy.

Page 71: Bright-field Microscopy

Characteristics of Bright-field Microscopes

  • Explains the principles behind bright-field microscopy.

Page 72: Factors of Bright-field Quality

Quality Influencers in Bright-field Microscopy

  • Explaining critical factors affecting image quality in bright-field microscopy.

Page 73: Enhancing Bright-field Quality

Improving Magnification and Resolution

  • Discussing techniques for enhancing contrast and detail in bright-field setups.

Page 74: Dark-field Microscopy

Technique Overview

  • Describes the principles and advantages of dark-field microscopy.

Page 75: Phase-Contrast Microscopy

Enhancing Specimen Contrast

  • Discusses the benefits of using phase-contrast techniques for observing live specimens.

Page 76: Differential Interference Contrast Microscopy

3D Imaging Technique

  • Overview of differential interference contrast microscopy as a visualization method.

Page 77: Polarization Microscopy

Understanding Polarization Techniques

  • Discusses polarized light's application in microscopy.

Page 78: Fluorescence Microscopy

Using UV Light in Microscopy

  • Introduces fluorescence microscopy and its advantages in biological studies.

Page 79: Fluorescence Process Explained

Mechanism of Fluorescence

  • Breakdown of how fluorescence occurs in microscopy.

Page 80: Applications of Fluorescence in Biology

Fluorescence Usage

  • Details the diverse applications of fluorescence microscopy in biological sciences.

Page 81: Advantages of Fluorescence Microscopy

Benefits of Fluorescent Techniques

  • Discusses the advantages offered by fluorescence techniques in research.

Page 82-90: Advanced Fluorescence Techniques

Special Applications and Techniques

  • Discusses advanced techniques like direct counts and immunolabeling using fluorescence methods.

Page 91-96: Electron Microscopy

Overview of Electron Microscopy Techniques

  • Introduction to the basics of electron microscopy and its significance in research.

Page 97-103: Basic Components of Electron Microscopes

Structure and Functionality

  • Detailed components involved in electron microscopy and their roles.

Page 104-105: Electron Microscopy Operations

Procedures for Using Electron Microscopes

  • Step-by-step explanation of operating electron microscopes.

Page 106-110: Electron Microscope Types

Types of Electron Microscopes

  • Discussion on various types of electron microscopes and their applications.

Page 111-115: Sample Preparations for SEM and TEM

Preparing for Electron Microscopy

  • Preparing samples for use in scanning and transmission electron microscopy.

Page 116-120: Key Methods in Spectral Techniques

Introduction to Spectral Methods

  • Overview of molecular absorption spectrophotometry, fluorimetry, and other techniques.

Page 121-123: Molecular Absorption Spectrophotometry

Principles and Applications

  • The principles behind molecular absorption methods for analyzing substances.

Page 124-125: Spectrophotometer Components

Functionality of Spectrophotometers

  • Breakdown of the components of a spectrophotometer and their individual roles.

Page 126-135: Key Concepts of Spectral Methods

Fluorimetry and Its Applications

  • Discusses the principles of fluorimetry and its effectiveness in analyzing samples.

Page 136-139: Factors Affecting Fluorimetry

Understanding Fluorimetry Influencers

  • Various external factors that can impact fluorimetric measurements.

Page 140-143: Applications of Spectral Methods

Wide Range Applications

  • Discussing applications of different spectral methods across various fields.

Page 144-158: Detailed Examples of Atomic Techniques

In Depth Examination

  • Discussing atomic absorption and emission spectrophotometry in detail.

Page 159-163: Nuclear Magnetic Resonance (NMR) Overview

NMR Principles and Applications

  • Basics of how NMR functions and its significance in chemical analysis.

Page 164-171: Mechanisms of NMR

Understanding NMR Signals

  • Steps detailing how NMR signals are acquired and analyzed in practice.

Page 172-176: Molecular Biology Methods Overview

Key Techniques

  • Discusses various molecular biology methods for studying biomolecules.

Page 177-181: PCR and Its Mechanism

Amplification Techniques

  • Introduction to the Polymerase Chain Reaction (PCR) and its importance in molecular biology.

Page 182-252: Advanced Molecular Techniques

Various Techniques Explained

  • Discusses expression cloning, gel electrophoresis, and different blotting methods.

Page 253-258: Labeling Methods Overview

Methods and Their Applications

  • An introduction to isotopic and radioimmunological assays and their uses in laboratories.

Page 259-270: In-depth on Radioenzymatic Assays

Techniques and Practical Uses

  • Comprehensive overview of radioenzymatic assays and their application in measuring analytes.

Page 271-276: Molecular Biology Applications

Practicalities of Techniques

  • Discusses applications of molecular biology methods in research and diagnostics.

Page 277-284: Summary of Lab Techniques and Safety Measures

Recap of Key Topics

  • Summary of important safety procedures and laboratory methods discussed throughout the course.