Tuberculosis Cross-section Stain (image) Duke University Share Print E-Mail Caption This stained slide shows a Marimastat-treated granuloma. The tuberculosis bacteria is in red, the blood vessel cells are blue, and the green and yellow stains are large and small nanoparticles indicating drug and blood flow. Credit Xiling Shen, Duke University Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.