Ultrasensitive fluorescent nanoparticle-based binding assays for foodborne and waterborne pathogens of clinical interest

Journal of Clinical Ligand Assay

Volumn 29, Issue 3, 2006, Pages 136-142

  Dwarakanath, Sulatha ^a   Satyanarayana, Srinagesh ^a   Bruno, John G ^b   Vattem, Dhiraj ^c   Rao, Poornima M ^a   Ikanovic, Milada ^a   Phillips, Taylor ^b  

^a NanoScience Diagnostics Inc   (United States)

^b Operational Technologies Corporation   (United States)

^c TEXAS STATE UNIVERSITY   (United States)

Author keywords

Antibody; Aptamer; Campylobacter jejuni; Cryptosporidium parvum; E. coli O157:H7; Fluorescence; Immunoassay; Magnetic beads; Nanoparticles; Salmonella typhimurium

Indexed keywords

NANOPARTICLE;

ARTICLE; BACTERIUM CONJUGATION; BACTERIUM CULTURE; BINDING ASSAY; BLEACHING; CRYPTOSPORIDIUM; ESCHERICHIA COLI; FLUORESCENCE; FOOD CONTAMINATION; MICROBIAL COLONIZATION; NONHUMAN; SENSITIVITY ANALYSIS; WATER CONTAMINATION;

BACTERIA (MICROORGANISMS); CAMPYLOBACTER JEJUNI; CRYPTOSPORIDIUM; CRYPTOSPORIDIUM PARVUM; SALMONELLA TYPHIMURIUM;

EID: 34548282955     PISSN: 10811672     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (15)

1. Tsai WL, Miller CE, Richter ER: Determination of sensitivity of a rapid Escherichia coli O157:H7 assay for testing 375-gram composite samples. Appl Environ Microbiol 2000;66:4149-4151.
2. Yu H, Bruno JG: Immunomagnetic-electrochemiluminescent detection of Escherichia coli O157 and Salmonella typhimurium in foods and environmental water samples. Appl Environ Microbiol 1996;62:587-592.
3. Bruno JG, Yu H: Immunomagnetic-electrochemiluminescent detection of Bacillus anthracis spores in soil matrices. Appl Environ Microbiol 1996;62:3474-3476.
4. Su XL, Li Y: Quantum dot biolabeling coupled with immunomagnetic separation for detection of Escherichia coli O157:H7. Anal Chem 2004;76:4806-4810.
5. Goldman ER, Clapp AR, Anderson GP, et al.: Multiplexed toxin analysis using four colors of quantum dot fluororeagents. Anal Chem 2004;76:684-688.
6. Kloepfer JA, Mielke RE, Wong MS, et al.: Quantum dots as strain- and metabolism-specific microbiological labels. Appl Environ Microbiol 2003;69:4205-4213.
7. Bruno JG, Kiel JL: Use of magnetic beads in selection and detection of biotoxin aptamers by ECL and enzymatic methods. Biotechniques 2002;32:178-183.
8. Dwarakanath S, Bruno JG, Shastry A, et al.: Quantum dot-antibody and aptamer conjugates shift fluorescence upon binding bacteria. Biochem Biophys Res Commun 2004;325:739-743.
9. Ikanovic M, Rudzinski WE, Bruno JG, et al.: Fluorescence assay based on aptamer-quantum dot binding to Bacillus thuringiensis spores. J Fluorescence 2007;17:193-199.
10. Hahn MA, Tabb JS, Krauss TD: Detection of single bacterial pathogens with semiconductor quantum dots. Anal Chem 2005; 77:4861-4869.
11. Zhao X, Hilliard LR, Mechery SJ, et al.: A rapid bioassay for single bacterial cell quantitation using bioconjugated nanoparticles. Proc Natl Acad Sci U S A 2004;101:15027-15032.
12. Press release: FDA statement on foodborne E. coli O157:H7 outbreak in spinach update: September 19, 2006. Available at: http://www.fda.gov/bbs/topics/ NEWS/2006/NEW01458.html.
13. News FDA: P06-199; December 13, 2006; Update: FDA narrows investigation of E. Coli O157:H7 outbreak at Taco Bell restaurants. Available at: http://www.fda.gov/bbs/topics/NEWS/2006/NEW01525.html.
14. Recall-Firm Press Release: Jamba juice issues alert regarding strawberry smoothies: December 04, 2006. Available at: http://www.fda.gov/oc/po/ firmrecalls/jambajuice12_06.html.
15. News FDA: P07-23; FDA statement on update on salmonella outbreak and Peter Pan peanut butter and Great Value peanut butter. Available at: http://www.fda.org/topics/NEWS/2007/NEW01565.html.