Antibiotic-metal complexes in the detection of gram-negative bacteria and other biological analytes

摘要

Complexes of antibiotics and metals are provided that are useful in detecting bacteria and other biological analytes, and are particularly useful in detecting gram negative bacteria. The complexes are preferably chelated complexes wherein the antibiotic is a polymyxin, a colistin, an aminoglycoside, or an analog or fragment thereof. Methods of using the complexes are also provided.