Welcome to our online library. Here you will find a list of current publications, search terms, and a detailed How-To section with answers to many of the questions we are asked everyday.

If you have questions regarding EBC or the RTube please feel free to contact us.

Abstracts and Publications

If you use EndNote click below to download an EndNote search criteria that will identify almost all Exhaled Breath Condensate articles that have been published. You also might find PubMed useful.

• EBC EndNote search terms (.enq file)

• Exhaled Breath Condensate articles (.enl file)
• Exhaled Breath Condensate Publications - through May 2005 (PDF)

Instructional Materials and "How-To" Advice

• Exhaled Breath Condensate Introduction
• Comparison of Exhaled Breath Condensate collection methods
• How do EBC and BAL compare?
• How does EBC compare to induced sputum?
• Is collection of EBC a method to obtain highly distilled water?
• Some patients provide very little EBC — why is this and what can be done?
• What about salivary contamination?
• What mistakes occur sometimes in unsupervised collections?

• Why measure EBC pH?
• Do you need to deaerate the EBC sample before measuring pH?
• Deaeration for EBC pH assay - Why?
• Deaeration for EBC pH assay - How?
• What pH meter should I use?
• What pH probe should I use?
• Can hyperventilation lead to EBC pH changes in deaerated samples?
• Could oral ammonia adversely affect the EBC pH assay?

• Are proteins found in EBC?
• EBC H2O2 References
• Exhaled nitric oxide
• Biomarkers Found in EBC (Excel Spreadsheet)
• Nitrogen Oxides in EBC
• Studying cytokines in EBC
• What can you tell me about assays for other substances?

• At what temperature should we keep the aluminum sleeves?
• Do we need to clean the plunger between uses?
• From what materials is the RTube built?
• Oxygen therapy during RTube
• Why is there a hole in the blue valve?
• RTube vs. EcoScreen cost analysis