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JoVE Encyclopedia of Experiments

Biology

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450+ Videos

Filmed at top university labs

Practice and theory for each experiment

Table of Contents

Large Animal Models

61 Videos

230 Minutes

Leporine

26 Videos

96 Minutes

Tracheal Cannulation in Rabbit Model: A Procedure to Insert Tracheal Cannula into the Rabbit Trachea

2:24

Tracheal Cannulation in Rabbit Model: A Procedure to Insert Tracheal Cannula into the Rabbit Trachea

3.7K views

Cardiopulmonary Block Harvest from Rabbit: A Surgical Procedure to Retrieve Functional Heart-Lung Block from Rabbit Model

3:37

Cardiopulmonary Block Harvest from Rabbit: A Surgical Procedure to Retrieve Functional Heart-Lung Block from Rabbit Model

12.5K views

Ex vivo Lung Perfusion: A Technique for Pulmonary Research in a Rabbit Model

5:30

Ex vivo Lung Perfusion: A Technique for Pulmonary Research in a Rabbit Model

2.4K views

Prepping Conscious Rabbit Model for Simultaneous Video-EEG-ECG-Oximetry-Capnography for Experimental Interventions: A Procedure to Implant EEE-ECG Electrodes and Attach Respiratory Probes in Rabbit Model

4:27

Prepping Conscious Rabbit Model for Simultaneous Video-EEG-ECG-Oximetry-Capnography for Experimental Interventions: A Procedure to Implant EEE-ECG Electrodes and Attach Respiratory Probes in Rabbit Model

2.8K views

Intermittent Photic Stimulation in Rabbit Model: A Technique to Induce Epileptic Seizures and Simultaneously Record Multisystem Parameters

3:16

Intermittent Photic Stimulation in Rabbit Model: A Technique to Induce Epileptic Seizures and Simultaneously Record Multisystem Parameters

2.4K views

Multisystem Monitoring in Rabbit Model: A Method to Assess Neuro-Cardiac and Respiratory Parameters to Study the Oral Drug-induced Triggers for Arrhythmia and Seizures

2:45

Multisystem Monitoring in Rabbit Model: A Method to Assess Neuro-Cardiac and Respiratory Parameters to Study the Oral Drug-induced Triggers for Arrhythmia and Seizures

2.5K views

Multisystem Monitoring of Epileptic Abnormalities in Rabbit: A Method for Simultaneous Video EEG, ECG, Capnography, and Oximetry Recording During Induced Seizures

3:24

Multisystem Monitoring of Epileptic Abnormalities in Rabbit: A Method for Simultaneous Video EEG, ECG, Capnography, and Oximetry Recording During Induced Seizures

2.3K views

Isolating IPE and RPE Cells: A Technique for Obtaining Ocular Pigment Epithelial Cells from Rabbit Eye

4:17

Isolating IPE and RPE Cells: A Technique for Obtaining Ocular Pigment Epithelial Cells from Rabbit Eye

3.6K views

Nictitating Membrane Removal: A Surgical Procedure to Remove Nictitating Membrane from Rabbit Eye

3:02

Nictitating Membrane Removal: A Surgical Procedure to Remove Nictitating Membrane from Rabbit Eye

2.8K views

Superior Lacrimal Gland Removal: A Surgical Technique to Remove the Palpebral and Orbital Parts of Superior Lacrimal Gland from Rabbit Model

4:06

Superior Lacrimal Gland Removal: A Surgical Technique to Remove the Palpebral and Orbital Parts of Superior Lacrimal Gland from Rabbit Model

3.4K views

Inferior Lacrimal Gland Removal From Rabbit Model: A Surgical Procedure to Remove the Larger Inferior Tear Gland From Rabbit Eye Orbit

3:56

Inferior Lacrimal Gland Removal From Rabbit Model: A Surgical Procedure to Remove the Larger Inferior Tear Gland From Rabbit Eye Orbit

2.6K views

Performing Injection into Palpebral Portion of the Superior Lacrimal Gland: A Technique for Inducing Dry Eye Disease in Rabbit Model

2:54

Performing Injection into Palpebral Portion of the Superior Lacrimal Gland: A Technique for Inducing Dry Eye Disease in Rabbit Model

2.2K views

Performing Injection into Orbital Lobe of Superior Lacrimal Gland: A Technique for Inducing Dry Eye Disease in Rabbit Model

2:56

Performing Injection into Orbital Lobe of Superior Lacrimal Gland: A Technique for Inducing Dry Eye Disease in Rabbit Model

2.2K views

Ultrasound-Guided Concanavalin A Injection Into Inferior Lacrimal Gland: A Technique to Inoculate Inferior Lacrimal Gland With Concanavalin A to Induce Dry Eye Disease in Rabbit Model

4:02

Ultrasound-Guided Concanavalin A Injection Into Inferior Lacrimal Gland: A Technique to Inoculate Inferior Lacrimal Gland With Concanavalin A to Induce Dry Eye Disease in Rabbit Model

2.4K views

Jugular Vein Graft Harvest From a Rabbit Model: A Surgical Procedure to Excise a Segment of Rabbit Jugular Vein for Ex Vivo Studies

3:42

Jugular Vein Graft Harvest From a Rabbit Model: A Surgical Procedure to Excise a Segment of Rabbit Jugular Vein for Ex Vivo Studies

2.3K views

Carotid Artery and Jugular Vein Interposition: A Technique to Induce Venous Intimal Hyperplasia in Rabbit Model

4:33

Carotid Artery and Jugular Vein Interposition: A Technique to Induce Venous Intimal Hyperplasia in Rabbit Model

2.2K views

Generating Rabbit Liver Carcinoma Model: A Surgical Procedure to Implant Tumor Tissue in Left Lobe of Liver for Induction of Hepatocellular Carcinoma

4:34

Generating Rabbit Liver Carcinoma Model: A Surgical Procedure to Implant Tumor Tissue in Left Lobe of Liver for Induction of Hepatocellular Carcinoma

2.4K views

Hepatic Angiography: A Procedure to Visualize Liver Tumor Vessels in a Rabbit Model

3:36

Hepatic Angiography: A Procedure to Visualize Liver Tumor Vessels in a Rabbit Model

2.2K views

Assessing Vessel Perfusion via Angiography: A Technique to Introduce Contrast Agent in Descending Aorta to Visualize Blood Vessel Perfusion in Rabbit Model

4:31

Assessing Vessel Perfusion via Angiography: A Technique to Introduce Contrast Agent in Descending Aorta to Visualize Blood Vessel Perfusion in Rabbit Model

2.2K views

An Experimental Model of Peripheral Ischemia: A Procedure to Generate Peripheral Ischemia via Femoral Artery Ligation in a Rabbit

3:17

An Experimental Model of Peripheral Ischemia: A Procedure to Generate Peripheral Ischemia via Femoral Artery Ligation in a Rabbit

2.5K views

Tracheal Intubation for Mechanical Ventilation: A Procedure to Insert Endotracheal Tube in Trachea of Rabbit Model

2:58

Tracheal Intubation for Mechanical Ventilation: A Procedure to Insert Endotracheal Tube in Trachea of Rabbit Model

2.4K views

Generating a Rabbit Calvarial Defect Model: A Surgical Procedure to Create Round Defects in the Top Portion of the Rabbit Skull to Assess Bone Substitute Materials for Bone Regeneration Capacities

5:23

Generating a Rabbit Calvarial Defect Model: A Surgical Procedure to Create Round Defects in the Top Portion of the Rabbit Skull to Assess Bone Substitute Materials for Bone Regeneration Capacities

2.7K views

Generating Rabbit Model of Bone Infection: A Technique of Inducing Chronic Infection by Injecting Bacteria Directly in Bone Marrow

3:04

Generating Rabbit Model of Bone Infection: A Technique of Inducing Chronic Infection by Injecting Bacteria Directly in Bone Marrow

2.3K views

Rabbit Embryo Vitrification Using Cryogenic Straw: An Ultra-Rapid Cooling Technique to Preserve Rabbit Embryos for Long-term Storage

3:15

Rabbit Embryo Vitrification Using Cryogenic Straw: An Ultra-Rapid Cooling Technique to Preserve Rabbit Embryos for Long-term Storage

2.5K views

Rabbit Embryo Thawing: A Warming Procedure to Recover Cryopreserved Rabbit Embryos for Embryo Transfer

2:31

Rabbit Embryo Thawing: A Warming Procedure to Recover Cryopreserved Rabbit Embryos for Embryo Transfer

2.2K views

Embryo Transfer Into Rabbit: A Procedure for Laparoscopy-Guided Transfer of Embryos Into Oviduct of Ovulating Recipient Female Rabbit Model

4:02

Embryo Transfer Into Rabbit: A Procedure for Laparoscopy-Guided Transfer of Embryos Into Oviduct of Ovulating Recipient Female Rabbit Model

2.7K views

Porcine

33 Videos

126 Minutes

Locating the Cisterna Magna in a Pig Model: A Surgical Method to Access the Cisterna Magna in a Pig Model for Direct Cannulation

5:05

Locating the Cisterna Magna in a Pig Model: A Surgical Method to Access the Cisterna Magna in a Pig Model for Direct Cannulation

2.4K views

Tracer Molecule Delivery in the Cisterna Magna: A Method to Deliver Fluorescent Tracer Molecules via Direct Cannulation of the Cisterna Magna in Pig

3:37

Tracer Molecule Delivery in the Cisterna Magna: A Method to Deliver Fluorescent Tracer Molecules via Direct Cannulation of the Cisterna Magna in Pig

2.5K views

Isolation of IPE and RPE cells: A Technique to Obtain Pigmented Epithelial Cells from Isolated Porcine Eye

2:57

Isolation of IPE and RPE cells: A Technique to Obtain Pigmented Epithelial Cells from Isolated Porcine Eye

2.3K views

Seldinger Technique Based Pulmonary Artery Catheterization: A Procedure to Insert Pulmonary Artery Catheter Through the Jugular Vein in a Porcine Model

2:50

Seldinger Technique Based Pulmonary Artery Catheterization: A Procedure to Insert Pulmonary Artery Catheter Through the Jugular Vein in a Porcine Model

2.8K views

Corneoscleral Button Isolation: A Surgical Procedure to Obtain Corneoscleral Button from Porcine Eye

3:17

Corneoscleral Button Isolation: A Surgical Procedure to Obtain Corneoscleral Button from Porcine Eye

2.3K views

Porcine Ex vivo Cornea Model of Bacterial Keratitis: A Technique to Establish Bacterial Infection in Corneal Epithelial Cells

5:00

Porcine Ex vivo Cornea Model of Bacterial Keratitis: A Technique to Establish Bacterial Infection in Corneal Epithelial Cells

2.2K views

Pig Bronchiolar Tissue Extraction: A Procedure to Dissect Bronchiolar Tissue Sections From Porcine Lungs

3:03

Pig Bronchiolar Tissue Extraction: A Procedure to Dissect Bronchiolar Tissue Sections From Porcine Lungs

2.3K views

Ex vivo Pig Lung Model of Biofilm: A Technique to Develop Lung Model to Study Bacterial Biofilms on Pig Bronchiolar Tissue

4:35

Ex vivo Pig Lung Model of Biofilm: A Technique to Develop Lung Model to Study Bacterial Biofilms on Pig Bronchiolar Tissue

2.3K views

Anterior Eye Segment Dissection: A Method to Isolate Cornea Bearing Anterior Segment from Porcine Eye

3:24

Anterior Eye Segment Dissection: A Method to Isolate Cornea Bearing Anterior Segment from Porcine Eye

2.3K views

Anterior Eye Segment Culturing: A Method to Culture Cornea Bearing Anterior Segment of Porcine Eye

3:57

Anterior Eye Segment Culturing: A Method to Culture Cornea Bearing Anterior Segment of Porcine Eye

2.2K views

Generation of Porcine Ventricular Slices: A Vibratome-based Technique to Prepare Ultra-thin Slices of Pig Heart Tissue

4:58

Generation of Porcine Ventricular Slices: A Vibratome-based Technique to Prepare Ultra-thin Slices of Pig Heart Tissue

2.4K views

Porcine Heart Excision: A Protocol to Extract Porcine Heart for Cardiac Transplant

3:37

Porcine Heart Excision: A Protocol to Extract Porcine Heart for Cardiac Transplant

2.6K views

Ex Situ Heart Perfusion: A Technique to Preserve Isolated Porcine Heart Function

4:52

Ex Situ Heart Perfusion: A Technique to Preserve Isolated Porcine Heart Function

2.5K views

Laser Doppler Needle Probe Insertion: A Technique for Real-time Quantification of Blood Flow within the Spinal Cord in a Porcine Model

2:58

Laser Doppler Needle Probe Insertion: A Technique for Real-time Quantification of Blood Flow within the Spinal Cord in a Porcine Model

2.4K views

Intrathecal Placement of Lumbar Drain: A Technique to Withdraw Cerebrospinal Fluid from the Lumbar Spine in Porcine Model

3:02

Intrathecal Placement of Lumbar Drain: A Technique to Withdraw Cerebrospinal Fluid from the Lumbar Spine in Porcine Model

3.1K views

Porcine Cumulus Oocyte Complex Isolation: A Technique to Isolate Cumulus Oocyte Complex from Porcine Ovarian Follicle for In Vitro Fertilization

3:02

Porcine Cumulus Oocyte Complex Isolation: A Technique to Isolate Cumulus Oocyte Complex from Porcine Ovarian Follicle for In Vitro Fertilization

2.4K views

3D Culture of Porcine COCs: A Procedure to Encapsulate Cumulus Oocyte Complexes in Fibrin-alginate Polymer Hydrogel Beads

4:33

3D Culture of Porcine COCs: A Procedure to Encapsulate Cumulus Oocyte Complexes in Fibrin-alginate Polymer Hydrogel Beads

2.2K views

Liquid Marble Microbioreactor System: A 3D Culture Protocol for Encapsulation of Porcine Oocytes

3:29

Liquid Marble Microbioreactor System: A 3D Culture Protocol for Encapsulation of Porcine Oocytes

2.1K views

Laser-assisted Selective Ablation of Porcine Corneal Endothelial Cells: A Technique to Induce Focused Porcine Corneal Endothelial Injury for Ex Vivo Studies

4:11

Laser-assisted Selective Ablation of Porcine Corneal Endothelial Cells: A Technique to Induce Focused Porcine Corneal Endothelial Injury for Ex Vivo Studies

2.2K views

Nephrectomy in a Porcine Model: A Surgical Procedure to Retrieve Porcine Kidney Graft for Transplantation

2:48

Nephrectomy in a Porcine Model: A Surgical Procedure to Retrieve Porcine Kidney Graft for Transplantation

2.3K views

Modeling Preservation Injury in Porcine Donor Kidney: A Procedure to Induce Graft Dysfunction by Subjecting Kidney to Prolonged Cold Ischemia

2:34

Modeling Preservation Injury in Porcine Donor Kidney: A Procedure to Induce Graft Dysfunction by Subjecting Kidney to Prolonged Cold Ischemia

2K views

Orthotopic Porcine Kidney Transplantation: A Technique to Transplant Graft Kidney in Porcine Model

4:43

Orthotopic Porcine Kidney Transplantation: A Technique to Transplant Graft Kidney in Porcine Model

2.6K views

Q Suture Technique: A Suturing Technique to Reduce Gap Formation and Increase Tensile Strength in Tendon Repair

4:51

Q Suture Technique: A Suturing Technique to Reduce Gap Formation and Increase Tensile Strength in Tendon Repair

2.5K views

Bipolar Radiofrequency-Based Hemorrhage Arrest in Solid Organ Injury: A Technique to Arrest Bleeding in Porcine Model With Liver Injury Using Electrosurgery

4:24

Bipolar Radiofrequency-Based Hemorrhage Arrest in Solid Organ Injury: A Technique to Arrest Bleeding in Porcine Model With Liver Injury Using Electrosurgery

2.2K views

Exposing Infrarenal Abdominal Aorta in Porcine Model: A Surgical Procedure to Access Porcine Infrarenal Abdominal Aorta for Further Studies

3:51

Exposing Infrarenal Abdominal Aorta in Porcine Model: A Surgical Procedure to Access Porcine Infrarenal Abdominal Aorta for Further Studies

2.2K views

Exposing Brachial Plexus: A Surgical Technique to Visualize Brachial Plexus in Neonatal Piglet

3:32

Exposing Brachial Plexus: A Surgical Technique to Visualize Brachial Plexus in Neonatal Piglet

2.1K views

In Vivo Biomechanical Testing of Nerve: A Procedure for Biomechanical Analysis of Brachial Plexus Nerve Injury in a Neonatal Pig Model

4:42

In Vivo Biomechanical Testing of Nerve: A Procedure for Biomechanical Analysis of Brachial Plexus Nerve Injury in a Neonatal Pig Model

2.1K views

Porcine Aorta Isolation: A Surgical Procedure to Excise the Thoracic Aorta From Miniature Pigs for Downstream Analysis

3:13

Porcine Aorta Isolation: A Surgical Procedure to Excise the Thoracic Aorta From Miniature Pigs for Downstream Analysis

2.6K views

Porcine Aortic Endothelial Cell (pAEC) Isolation: An Enzyme-based Method to Isolate Endothelial Cells from Harvested Porcine Abdominal Aorta

4:50

Porcine Aortic Endothelial Cell (pAEC) Isolation: An Enzyme-based Method to Isolate Endothelial Cells from Harvested Porcine Abdominal Aorta

2.5K views

Electromyographic Endotracheal Intubation in Pig: A Technique to Insert Electromyographic Tube Inside the Pig Trachea

2:49

Electromyographic Endotracheal Intubation in Pig: A Technique to Insert Electromyographic Tube Inside the Pig Trachea

2.4K views

Automated Periodic Stimulation Electrode Installation: A Technique to Surgically Implant An Automated Stimulation Device on the Vagus Nerve in a Porcine Model

2:46

Automated Periodic Stimulation Electrode Installation: A Technique to Surgically Implant An Automated Stimulation Device on the Vagus Nerve in a Porcine Model

2.1K views

Isolating Short Posterior Ciliary Arteries: A Protocol to Excise Intact Short Posterior Ciliary Microvessels from Porcine Eye

3:26

Isolating Short Posterior Ciliary Arteries: A Protocol to Excise Intact Short Posterior Ciliary Microvessels from Porcine Eye

2.1K views

An Ultrasound-Guided Vascular Access Procedure in an Anesthetized Pig

5:16

An Ultrasound-Guided Vascular Access Procedure in an Anesthetized Pig

325 views

Bovine

1 Videos

4 Minutes

Equine

1 Videos

4 Minutes

Drosophila melanogaster (fruit fly)

48 Videos

181 Minutes

Embryo

5 Videos

23 Minutes

Microinjection of <em>Drosophila</em> Nurse Cells: A Method of Intracellular Delivery

3:32

Microinjection of Drosophila Nurse Cells: A Method of Intracellular Delivery

7.7K views

<em>Drosophila</em> Egg Collection and Dechorionation: A Method to Remove the Outermost Egg Layer

3:26

Drosophila Egg Collection and Dechorionation: A Method to Remove the Outermost Egg Layer

8K views

Preparation of Fixed <em>Drosophila</em> Oocytes for Immunostaining: A High-Throughput Method to Fix and Remove the Outer Membrane

4:39

Preparation of Fixed Drosophila Oocytes for Immunostaining: A High-Throughput Method to Fix and Remove the Outer Membrane

3.1K views

Chorion and Vitelline Membrane Mechanical Removal: A Method to Prepare <em>Drosophila</em> Oocytes for Direct Observation

6:27

Chorion and Vitelline Membrane Mechanical Removal: A Method to Prepare Drosophila Oocytes for Direct Observation

3.7K views

Microinjection of Live <em>Drosophila</em> Embryos: Early Delivery of Reagents to the Developing Embryo

5:51

Microinjection of Live Drosophila Embryos: Early Delivery of Reagents to the Developing Embryo

5K views

Larva

11 Videos

41 Minutes

<em>Drosophila</em> Burrowing and Tunneling Assay: A Method to Assess Tissue Hypoxia in Fly Larvae

4:41

Drosophila Burrowing and Tunneling Assay: A Method to Assess Tissue Hypoxia in Fly Larvae

2.5K views

<em>Drosophila</em> Larva Imaginal Disc Dissection: A Method to Observe Developing Epithelia

3:12

Drosophila Larva Imaginal Disc Dissection: A Method to Observe Developing Epithelia

7.5K views

<em>Drosophila</em> Neuromuscular Junction (NMJ) Quantification: A Method to Assess Synaptic Morphology and Function

5:08

Drosophila Neuromuscular Junction (NMJ) Quantification: A Method to Assess Synaptic Morphology and Function

5.1K views

Two-Photon Laser-Induced Neural Injury: A Method to Observe Axon Degeneration and Regeneration in <em>Drosophila</em> Larvae

4:49

Two-Photon Laser-Induced Neural Injury: A Method to Observe Axon Degeneration and Regeneration in Drosophila Larvae

2.4K views

Larval Fillet Preparation: A Method to Visualize Intact Sensory Neurons and Associated Epidermal Cells

3:16

Larval Fillet Preparation: A Method to Visualize Intact Sensory Neurons and Associated Epidermal Cells

3.4K views

Cuticle Disruption: A Method to Collect Hemolymph from <em>Drosophila</em> Larvae

2:01

Cuticle Disruption: A Method to Collect Hemolymph from Drosophila Larvae

4.4K views

Light Spot Assay: A Method to Investigate <em>Drosophila</em> Phototactic Behavior

3:08

Light Spot Assay: A Method to Investigate Drosophila Phototactic Behavior

2.3K views

Larval Ring Gland Dissection: Isolation of Developmental Endocrine Organs from <em>Drosophila</em>

4:07

Larval Ring Gland Dissection: Isolation of Developmental Endocrine Organs from Drosophila

4.2K views

Local Heat Probe Assay: A Method to Assess Nociception of High Temperatures in <em>Drosophila</em> Larvae

2:38

Local Heat Probe Assay: A Method to Assess Nociception of High Temperatures in Drosophila Larvae

1.8K views

Temperature Gradient Assay: A Method to Test Temperature Preference in <em>Drosophila</em> Larvae

3:58

Temperature Gradient Assay: A Method to Test Temperature Preference in Drosophila Larvae

2.4K views

Larval Lymph Gland Dissection: Isolating the <em>Drosophila</em> Hemocyte-Producing Organ

4:20

Larval Lymph Gland Dissection: Isolating the Drosophila Hemocyte-Producing Organ

4.7K views

Pupa

3 Videos

9 Minutes

Insect Puparium Removal: A Method for Pupal Investigation

2:53

Insect Puparium Removal: A Method for Pupal Investigation

2.5K views

Dissection of the Eye-Brain Complex from Fly Pupae: A Method to Isolate Retinal Tissue

2:52

Dissection of the Eye-Brain Complex from Fly Pupae: A Method to Isolate Retinal Tissue

4.1K views

<em>Drosophila</em> Late Pupa Indirect Flight Muscle (IFM) Dissection: A Method for High-Throughput Tissue Collection

3:56

Drosophila Late Pupa Indirect Flight Muscle (IFM) Dissection: A Method for High-Throughput Tissue Collection

3.4K views

Adult

29 Videos

106 Minutes

<em>Drosophila</em> Courtship Conditioning: A Method to Test Learning and Memory In Flies

4:13

Drosophila Courtship Conditioning: A Method to Test Learning and Memory In Flies

3.2K views

Fly Climbing Assay: A Method to Test General Locomotion in <em>Drosophila melanogaster</em>

2:33

Fly Climbing Assay: A Method to Test General Locomotion in Drosophila melanogaster

12.6K views

<em>Drosophila</em> Male Accessory Gland Dissection: A Method to Isolate Secondary Cells

2:59

Drosophila Male Accessory Gland Dissection: A Method to Isolate Secondary Cells

2.7K views

<em>Drosophila melanogaster</em> Ovary Dissection: A Technique for <em>Ex Vivo</em> Tissue Preparation

2:23

Drosophila melanogaster Ovary Dissection: A Technique for Ex Vivo Tissue Preparation

5.3K views

Malpighian Tubule Dissection from an Adult Fly: Isolating an Osmoregulatory and Excretory Organ

5:11

Malpighian Tubule Dissection from an Adult Fly: Isolating an Osmoregulatory and Excretory Organ

3.7K views

Island Assay: A High-Throughput Method to Evaluate <em>Drosophila</em> Locomotor Behavior

4:21

Island Assay: A High-Throughput Method to Evaluate Drosophila Locomotor Behavior

2.8K views

Lifespan Protocol for <em>Drosophila melanogaster</em>: Generating Survival Curves to Identify Differences in Fly Longevity

3:28

Lifespan Protocol for Drosophila melanogaster: Generating Survival Curves to Identify Differences in Fly Longevity

5K views

Feeding Test: Assessment of Feeding Preferences in <em>Drosophila melanogaster</em>

2:13

Feeding Test: Assessment of Feeding Preferences in Drosophila melanogaster

2.7K views

Mounting Adult <em>Drosophila</em> Brains: A Method to Prepare Slides for Confocal Imaging

2:57

Mounting Adult Drosophila Brains: A Method to Prepare Slides for Confocal Imaging

4.5K views

Screening for Genomic Modifications: A Method to Identify CRISPR-Generated Mutants in <em>Drosophila</em>

3:48

Screening for Genomic Modifications: A Method to Identify CRISPR-Generated Mutants in Drosophila

3.3K views

Chemical Drying: Biological Sample Preparation for Scanning Electron Microscopy (SEM)

4:17

Chemical Drying: Biological Sample Preparation for Scanning Electron Microscopy (SEM)

5.5K views

Embedding Adult <em>Drosophila</em> Heads in Paraffin: Preparing Tissue for Histology

3:08

Embedding Adult Drosophila Heads in Paraffin: Preparing Tissue for Histology

4.2K views

Injection of Adult <em>Drosophila</em> Flies: A Method of Compound or Label Delivery

3:23

Injection of Adult Drosophila Flies: A Method of Compound or Label Delivery

4.5K views

Taste Preference Assay: A Method for Measuring Feeding Behavior in <em>Drosophila</em>

3:45

Taste Preference Assay: A Method for Measuring Feeding Behavior in Drosophila

2.2K views

The CApillary FEeder (CAFE) Assay: A Method to Track Food Consumption and Preference in <em>Drosophila</em>

4:18

The CApillary FEeder (CAFE) Assay: A Method to Track Food Consumption and Preference in Drosophila

4.6K views

<em>Drosophila</em> Adult Brain Dissection: A Method in Fly Neurobiology

3:49

Drosophila Adult Brain Dissection: A Method in Fly Neurobiology

10.7K views

Counting Colony Forming Units (CFUs): Quantifying Bacteria from Fly Bodies

3:55

Counting Colony Forming Units (CFUs): Quantifying Bacteria from Fly Bodies

5.6K views

Processing Insect Legs for Fluorescence Microscopy: A Method to Preserve Neuromuscular Structures for Imaging

4:09

Processing Insect Legs for Fluorescence Microscopy: A Method to Preserve Neuromuscular Structures for Imaging

2.5K views

Tracking Freely Walking Flies: A Method to Assess Locomotion in <em>Drosophila</em>

2:45

Tracking Freely Walking Flies: A Method to Assess Locomotion in Drosophila

2.7K views

Fly Aspirator Tube: A Simple Tool to Transfer Live <em>Drosophila</em>

2:43

Fly Aspirator Tube: A Simple Tool to Transfer Live Drosophila

4.3K views

<em>Drosophila In Vivo</em> Calcium Imaging: A Method for Functional Imaging of Neuronal Activity

4:02

Drosophila In Vivo Calcium Imaging: A Method for Functional Imaging of Neuronal Activity

4.1K views

Four-Way Olfactometer Assay: A Method to Assess Odorant-Cued Responses in <em>Drosophila</em>

4:48

Four-Way Olfactometer Assay: A Method to Assess Odorant-Cued Responses in Drosophila

3.4K views

<em>Drosophila</em> Aggression Assay: A Method to Test Behavioral Plasticity in Flies

3:13

Drosophila Aggression Assay: A Method to Test Behavioral Plasticity in Flies

2.7K views

<em>Drosophila</em> Y-maze Assay: A Method to Assess Olfactory Responses in Flies

4:28

Drosophila Y-maze Assay: A Method to Assess Olfactory Responses in Flies

5K views

<em>Drosophila</em> Activity Monitor (DAM): A Method to Measure Locomotor Activity in Flies

5:20

Drosophila Activity Monitor (DAM): A Method to Measure Locomotor Activity in Flies

11K views

<em>Drosophila</em> Optogenetics: A Method to Manipulate Neuronal Circuits

3:01

Drosophila Optogenetics: A Method to Manipulate Neuronal Circuits

3.5K views

Dissection of the Midgut from an Adult Fly: A Method for Isolating the Digestive Tract

3:06

Dissection of the Midgut from an Adult Fly: A Method for Isolating the Digestive Tract

9.7K views

Preparation of <em>Drosophila</em> Heart: A Technique to Study Heart Physiology in the Adult Fly

5:52

Preparation of Drosophila Heart: A Technique to Study Heart Physiology in the Adult Fly

3.2K views

<em>Drosophila</em> Egg-Laying Preference Assay: A Method to Test Decision-Making in Flies

2:40

Drosophila Egg-Laying Preference Assay: A Method to Test Decision-Making in Flies

3.4K views

Caenorhabditis elegans (worm)

27 Videos

90 Minutes

Basic Methods

5 Videos

15 Minutes

Nematode Synchronization: A Method to Obtain Populations of Worms in Identical Stages of Development

3:43

Nematode Synchronization: A Method to Obtain Populations of Worms in Identical Stages of Development

16.3K views

Single Worm PCR: A Method to Extract and Amplify Genomic DNA

2:44

Single Worm PCR: A Method to Extract and Amplify Genomic DNA

4.9K views

Lifespan Analysis: Measuring <em>C. elegans</em> Longevity

2:26

Lifespan Analysis: Measuring C. elegans Longevity

4.8K views

Egg Laying Assay: A Method to Quantify the Egg-Laying Behavior of <em>C. elegans</em>

2:25

Egg Laying Assay: A Method to Quantify the Egg-Laying Behavior of C. elegans

6K views

Gonad Microinjection: A Method of Compound Delivery Directly into the Germline of <em>C. elegans</em>

3:59

Gonad Microinjection: A Method of Compound Delivery Directly into the Germline of C. elegans

4.7K views

Microscopy

3 Videos

7 Minutes

Freeze-Cracking of Nematodes: A Method to Expose Interior Worm Tissues for Staining

2:56

Freeze-Cracking of Nematodes: A Method to Expose Interior Worm Tissues for Staining

3.1K views

Nematode Slide Preparation: A Method to Mount Animals on an Agar Pad

2:09

Nematode Slide Preparation: A Method to Mount Animals on an Agar Pad

4.1K views

Calcium Imaging: A Method to Visualize Neural Activity in Live <em>C. elegans</em>

2:23

Calcium Imaging: A Method to Visualize Neural Activity in Live C. elegans

3K views

Behavior

5 Videos

21 Minutes

Swimming-Induced Paralysis (SWIP) Assay: A Method to Quantify Dopamine-Mediated Locomotion in <em>C. elegans</em>

3:50

Swimming-Induced Paralysis (SWIP) Assay: A Method to Quantify Dopamine-Mediated Locomotion in C. elegans

2.8K views

Touch Habituation Assay: A Method to Study Non-Associative Learning in <em>C. elegans</em>

2:37

Touch Habituation Assay: A Method to Study Non-Associative Learning in C. elegans

2.7K views

<em>C. elegans</em> Chemotaxis Assay: A Method to Test Chemosensation in Worms

4:43

C. elegans Chemotaxis Assay: A Method to Test Chemosensation in Worms

3.5K views

Electrotaxis Assay: A Method to Observe Locomotion in <em>C. elegans</em>

3:22

Electrotaxis Assay: A Method to Observe Locomotion in C. elegans

2.1K views

<em>C. elegans</em> Movement Tracking: A Method to Assess Locomotion in Worms

6:57

C. elegans Movement Tracking: A Method to Assess Locomotion in Worms

4.6K views

Anatomy and Physiology

5 Videos

14 Minutes

<em>C. elegans</em> Gonad Extrusion: A Rapid Dissection Technique

2:59

C. elegans Gonad Extrusion: A Rapid Dissection Technique

4.7K views

<em>C. elegans</em> Survival Assay: A Short-Term Toxicity Test

2:56

C. elegans Survival Assay: A Short-Term Toxicity Test

3.4K views

C. elegans Muscle Area Measurements: A Standardized Method to Quantify Striated Muscle Morphology

2:25

C. elegans Muscle Area Measurements: A Standardized Method to Quantify Striated Muscle Morphology

1.6K views

Epidermal Laser Wounding: Inducing Localized Damage to Examine Repair Processes in <em>C. elegans</em>

3:21

Epidermal Laser Wounding: Inducing Localized Damage to Examine Repair Processes in C. elegans

1.5K views

FITC-Dextran Feeding: A Method to Quantify Intestinal Permeability in <em>C. elegans</em>

2:56

FITC-Dextran Feeding: A Method to Quantify Intestinal Permeability in C. elegans

5.5K views

Cell Biology

5 Videos

18 Minutes

Nile Red Staining of <em>C. elegans</em>: A Method to Visualize Lipid Droplets in Fixed Animals

3:34

Nile Red Staining of C. elegans: A Method to Visualize Lipid Droplets in Fixed Animals

7.3K views

Single Cell Dissociation of <em>Caenorhabditis elegans</em>: A Method to Isolate Live Cells

4:51

Single Cell Dissociation of Caenorhabditis elegans: A Method to Isolate Live Cells

3.9K views

Ethanol Fixation and DAPI Staining: A Method to Visualize DNA in <em>C. elegans</em>

3:32

Ethanol Fixation and DAPI Staining: A Method to Visualize DNA in C. elegans

7.8K views

<em>C. elegans</em> Blastomere Dissection: A Method to Remove the Eggshell and Dissociate Embryonic Cells

3:41

C. elegans Blastomere Dissection: A Method to Remove the Eggshell and Dissociate Embryonic Cells

2.6K views

Enzymatic Digestion and Manual Dissociation: A Method to Prepare <em>C. elegans</em> Embryos for Cell Culture

3:10

Enzymatic Digestion and Manual Dissociation: A Method to Prepare C. elegans Embryos for Cell Culture

2.4K views

Genetics

4 Videos

12 Minutes

RNAi Plating for <em>C. elegans</em> Feeding: A Technique to Induce Target dsRNA Expression in <em>E. coli</em>

3:24

RNAi Plating for C. elegans Feeding: A Technique to Induce Target dsRNA Expression in E. coli

5.9K views

RNAi Feeding in Liquid Culture: A High-Throughput Method to Knockdown Gene Expression in <em>C. elegans</em>

3:15

RNAi Feeding in Liquid Culture: A High-Throughput Method to Knockdown Gene Expression in C. elegans

3.2K views

Enriching for Males: Maintaining a Stock of Male <em>C. elegans</em>

2:21

Enriching for Males: Maintaining a Stock of Male C. elegans

3.1K views

UV Irradiation: A Method to Integrate Extrachromosomal Arrays

3:40

UV Irradiation: A Method to Integrate Extrachromosomal Arrays

2.9K views

Danio rerio (zebrafish)

35 Videos

116 Minutes

Embryo

8 Videos

29 Minutes

Embryo-Based Chemical Toxicity Screen: Assessing Effects on Developing Zebrafish Embryos

4:22

Embryo-Based Chemical Toxicity Screen: Assessing Effects on Developing Zebrafish Embryos

3.5K views

Mating and Egg Staging: A Method to Generate Embryos and Sort Them by Developmental Stage

2:52

Mating and Egg Staging: A Method to Generate Embryos and Sort Them by Developmental Stage

3.1K views

Light Sheet Microscopy Sample Preparation: Mounting Live Zebrafish Embryos for Long-Term Imaging

4:28

Light Sheet Microscopy Sample Preparation: Mounting Live Zebrafish Embryos for Long-Term Imaging

3.7K views

Layered Agar Mounting: Preparing Live Zebrafish Embryos for Long-Term Imaging with an Inverted Microscope

3:27

Layered Agar Mounting: Preparing Live Zebrafish Embryos for Long-Term Imaging with an Inverted Microscope

2.8K views

Agar Mounting: A Basic Method of Mounting Live Zebrafish Embryos for Long-Term Imaging

3:34

Agar Mounting: A Basic Method of Mounting Live Zebrafish Embryos for Long-Term Imaging

7.3K views

Two-Photon Laser Axotomy: A Method to Injure Axons in Zebrafish Embryos and Observe Axonal Recovery

3:24

Two-Photon Laser Axotomy: A Method to Injure Axons in Zebrafish Embryos and Observe Axonal Recovery

2.3K views

Whole-Cell Patch Clamp Electrophysiology: A Method to Study Electrical Properties of Neurons

3:42

Whole-Cell Patch Clamp Electrophysiology: A Method to Study Electrical Properties of Neurons

5.3K views

Embryo Microinjection: A Technique to Deliver a Compound into the Zebrafish Yolk

3:58

Embryo Microinjection: A Technique to Deliver a Compound into the Zebrafish Yolk

3.8K views

Larva

9 Videos

23 Minutes

Photomotor Response Assay: A Method to Measure the Behavioral Response of Larval Zebrafish to a Sudden Change in Lighting Condition

2:20

Photomotor Response Assay: A Method to Measure the Behavioral Response of Larval Zebrafish to a Sudden Change in Lighting Condition

2.7K views

Prey Capture Assay: A Method to Study the Prey Capture Behavior of Zebrafish Larva

2:14

Prey Capture Assay: A Method to Study the Prey Capture Behavior of Zebrafish Larva

2.6K views

Escape Response Assay: A Method to Study the Response of Zebrafish Larva to Touch Stimuli

2:54

Escape Response Assay: A Method to Study the Response of Zebrafish Larva to Touch Stimuli

2.6K views

Zebrafish Avoidance and Thigmotaxis Assay: A High-Throughput Method to Examine Larval Behavior in Response to Aversive Visual Stimulus

3:04

Zebrafish Avoidance and Thigmotaxis Assay: A High-Throughput Method to Examine Larval Behavior in Response to Aversive Visual Stimulus

2.5K views

Larval Locomotion Assay: High-Throughput Method to Study Neurobehavioral Toxicity of a Compound in Zebrafish Larvae

2:52

Larval Locomotion Assay: High-Throughput Method to Study Neurobehavioral Toxicity of a Compound in Zebrafish Larvae

2.3K views

Targeted Liver Ablation: Inducing Hepatocyte Death with Metronidazole in Transgenic Zebrafish Larvae

3:39

Targeted Liver Ablation: Inducing Hepatocyte Death with Metronidazole in Transgenic Zebrafish Larvae

2K views

Zebrafish Optogenetics: Activating Genetically Modified Somatosensory Neuron to Study Larval Behavioral Responses

0:04

Zebrafish Optogenetics: Activating Genetically Modified Somatosensory Neuron to Study Larval Behavioral Responses

2.2K views

Eye Lens Dissection: A Technique to Observe Zebrafish Lens Morphology

3:14

Eye Lens Dissection: A Technique to Observe Zebrafish Lens Morphology

3.2K views

Zebrafish Patient-Derived Xenograft (zPDX): A Cancer Model

3:21

Zebrafish Patient-Derived Xenograft (zPDX): A Cancer Model

2.9K views

Adult

18 Videos

62 Minutes

Zebrafish Electrocardiography (ECG): A Minimally Invasive Assay to Evaluate Cardiac Function

5:15

Zebrafish Electrocardiography (ECG): A Minimally Invasive Assay to Evaluate Cardiac Function

2.8K views

Zebrafish Rheotaxis Assay: A Method for Measuring Orientation Behavior in Response to Different Water Flow Rates

2:48

Zebrafish Rheotaxis Assay: A Method for Measuring Orientation Behavior in Response to Different Water Flow Rates

3.4K views

Light-Dark Preference Test: A Method to Study Anxiety-Related Behavior in Zebrafish

4:45

Light-Dark Preference Test: A Method to Study Anxiety-Related Behavior in Zebrafish

4.6K views

Optokinetic Response Assay: A Method to Measure Visual Acuity in Zebrafish

4:02

Optokinetic Response Assay: A Method to Measure Visual Acuity in Zebrafish

2.9K views

Aggression Assay: A Method to Study Aggressive Behavior of Zebrafish in Response to a Mirror

3:18

Aggression Assay: A Method to Study Aggressive Behavior of Zebrafish in Response to a Mirror

2.9K views

Novel Tank Diving Assay: A Method to Study Innate Stress Responses in Zebrafish

2:32

Novel Tank Diving Assay: A Method to Study Innate Stress Responses in Zebrafish

3.5K views

Morpholino Injection: A Method to Knockdown Target Gene Expression to Study Function in Zebrafish

3:02

Morpholino Injection: A Method to Knockdown Target Gene Expression to Study Function in Zebrafish

3.6K views

DNA Extraction from Tail Clip: A Method Used in Zebrafish Genotyping

2:57

DNA Extraction from Tail Clip: A Method Used in Zebrafish Genotyping

6.4K views

Adult Zebrafish Electrophysiology: A Method to Measure the Extracellular Electrical Activity of Neurons In Vivo

3:11

Adult Zebrafish Electrophysiology: A Method to Measure the Extracellular Electrical Activity of Neurons In Vivo

2.1K views

<em>In Vivo</em> Electroporation: A Site-Specific Method to Transfect Zebrafish

2:05

In Vivo Electroporation: A Site-Specific Method to Transfect Zebrafish

2.5K views

Intramuscular (IM) Injection: Compound Delivery into the Dorsal Muscle of an Adult Zebrafish

2:47

Intramuscular (IM) Injection: Compound Delivery into the Dorsal Muscle of an Adult Zebrafish

4K views

Intraperitoneal Injection: A Method of Solution Delivery into the Abdominal Cavity of an Adult Zebrafish

2:53

Intraperitoneal Injection: A Method of Solution Delivery into the Abdominal Cavity of an Adult Zebrafish

7.8K views

Intrathoracic Injection: Compound Delivery to the Adult Zebrafish Heart

2:56

Intrathoracic Injection: Compound Delivery to the Adult Zebrafish Heart

2.4K views

Adult Zebrafish Intestine Dissection: A Technique to Analyze Compound Absorption

2:13

Adult Zebrafish Intestine Dissection: A Technique to Analyze Compound Absorption

2.8K views

Heart Dissection: A Method to Observe Zebrafish Cardiac Development

4:58

Heart Dissection: A Method to Observe Zebrafish Cardiac Development

3.2K views

Zebrafish Brain Dissection: A Technique of Fish Neurobiology

3:54

Zebrafish Brain Dissection: A Technique of Fish Neurobiology

9.6K views

Zebrafish Cardiomyopathy Model: Drug-Induced Cardiotoxicity

4:47

Zebrafish Cardiomyopathy Model: Drug-Induced Cardiotoxicity

2.1K views

Streptozocin Treatment: A Zebrafish Model of Type 1 Diabetes Mellitus

4:26

Streptozocin Treatment: A Zebrafish Model of Type 1 Diabetes Mellitus

2.8K views

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‘I beg you to call the boy back, and not send that note,’ she said. ‘I hate to think of your doing that. It isn’t the act of——’ "Never mind, we must have a long talk. At present there is a verbal message for me; what is it?" "Do you think she'd come? She'd have gone to Ship Island if I had caught her." "Why should I deny it?" Leona said boldly. "My husband was murdered. He was slain by Dr. Gordon Bruce for the sake of his money." The reformed system of education was to be not only moral and religious but also severely scientific. The place given to mathematics as the foundation of a right intellectual training is most remarkable, and shows how truly Plato apprehended the conditions under which knowledge is acquired and enlarged. Here, as in other respects, he is, more even than Aristotle, the precursor of Auguste Comte. He arranges the mathematical sciences, so far as they then existed, in their logical order; and his remarks on the most general ideas suggested by astronomy read like a divination of rational mechanics. That a recommendation of such studies should be put into the mouth of Socrates is a striking incongruity. The older Plato grew the farther he seems to have advanced from the humanist to the naturalistic point of view; and, had he been willing to confess it, Hippias and Prodicus were the teachers with whom he finally found himself most in sympathy. And turned their savage life to civil ways; The one at the end accomplishing a graceful pirouette is me--I mean He made his calculation. Countless times his nerves had been pulled by sounds which turned out on second thought to be only the contracting of the hot metal, subjected to the sun all day, as the evening breeze robbed it of its warmth. As he had made Mrs. Campbell his confidante from the first, he told her about this too, now, and finished with the half-helpless, half-amused query as to what he should do. "It may be any length of time before she decides that she is old enough, and it never seems to occur to her that this state of things can't go on forever, that she is imposing upon you." "And the most serious part of it," he added after a while, "is that she does not love me." "Will the guerrillas begin shootin' at us as soon's we cross the river?" "But we didn't lose 'em in action, and to say so'd be a lie," answered Si, whose conscience had none of the easy elasticity of his partner's. "We could report 'em burnt up by lightnin','but we won't. They was lost by sheer, dumbed carelessness, that me and you and the boys should knowed better than to've allowed. That's all there is of it, and that's what I'm goin' to report, if I have to." The battery was one of the oldest and best in the army, and its "fire discipline" was superb. She felt her heart grow sick. If she had been happy for four hours, why, in God's name, had they not passed like four hours instead of like four minutes? "Unto the ends of the earth—Hastings. There's a friend of Ades there wot'll guide me into the Spirit's ways." HoME 大香蕉综合伊人91新人 ENTER NUMBET 0015www.ynchain.com.cn
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