A smartphone-based bacteria sensor for rapid and portable identification of forensic saliva sample

Saliva identification provides significant evidence for forensic examinations, especially in sexual assault events. A major challenge to forensic field is to develop an effective saliva detection method that complements the existing insensitive techniques. Herein, we developed a rapid and cost-effective smartphone-based bacteria sensor for saliva identification that assays for two oral bacteria in real samples. This bacteria sensor was...