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Povidone Iodine Rectal Preparation at Time of Prostate Needle Biopsy is a Simple and Reproducible Means to Reduce Risk of Procedural Infection

Here, we present a protocol for use at the time of transrectal ultrasound guided prostate needle biopsy (TRUS PNB) that is a simple and cost-effective means to reduce infections following the...
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Corneal Donor Tissue Preparation for Descemet's Membrane Endothelial Keratoplasty10:46

Corneal Donor Tissue Preparation for Descemet's Membrane Endothelial Keratoplasty

Endothelial keratoplasty is a surgical technique continuously evolving as advancements result in transplantation of thinner grafts with each succession1. Here we present a technique for controlled manual tissue dissection to allow safe and repeatable separation of endothelium and Descemet's membranes from donor corneoscleral buttons for...
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Pneumococcus Infection of Primary Human Endothelial Cells in Constant Flow09:34

Pneumococcus Infection of Primary Human Endothelial Cells in Constant Flow

This study describes the microscopic monitoring of pneumococcus adherence to von Willebrand factor strings produced on the surface of differentiated human primary endothelial cells under shear stress in defined flow conditions. This protocol can be extended to detailed visualization of specific cell structures and quantification of bacteria by applying differential immunostaining...
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A Technique to Quantify Fungal Infection in Zebrafish Larvae02:24

A Technique to Quantify Fungal Infection in Zebrafish Larvae

This video demonstrates a method to quantify fungal infection in zebrafish larvae. Fungal spores are microinjected into the larval hindbrain ventricle, and the larvae are incubated to allow infection development. Infected larvae are harvested at defined intervals, and infection progress is assessed by enumerating colony-forming...
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Impact Assessment of Repeated Exposure of Organotypic 3D Bronchial and Nasal Tissue Culture Models to Whole Cigarette Smoke09:50

Impact Assessment of Repeated Exposure of Organotypic 3D Bronchial and Nasal Tissue Culture Models to Whole Cigarette Smoke

The aim of this protocol is to expose human organotypic 3D bronchial and nasal tissue models to mainstream cigarette smoke (CS) at the air-liquid interface. The impact of CS on the tissues is then investigated using a cytochrome P450 activity assay, a cilia beating measurement, and a systems biology...
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Processing Embryo, Eggshell, and Fungal Culture for Scanning Electron Microscopy09:15

Processing Embryo, Eggshell, and Fungal Culture for Scanning Electron Microscopy

Here, we present detailed processing protocols for imaging delicate tissue samples using scanning electron microscopy (SEM). Three different processing methods, namely, hexamethyl disilazana (HMDS) chemical drying, simple air drying, and critical point drying are described for preparing rigid eggshells, embryos at early developmental stages, and fungal cultures...
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