相关实验视频

Updated: May 1, 2026

'Bioluminescent' Reporter Phage for the Detection of Category A Bacterial Pathogens

'Bioluminescent' Reporter Phage for the Detection of Category A Bacterial Pathogens

Published on: July 8, 2011

双重生物发光测试用于快速检测尿路感染和抗菌素耐药性,使用便携式光度计

Sherwin N Reyes^1,2, Raymarcos Rodriguez¹, Amanda Murias¹

¹Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, Florida 33136, United States.

Analytical chemistry

|July 25, 2025

概括

快速生物发光测试可以在30分钟内同时检测出尿路感染 (UTI) 和抗菌素耐药性 (AMR). 这一突破为及时诊断和优化抗生素治疗提供了一个便携式,具有成本效益的解决方案.

科学领域:

生物技术是生物技术.
医学诊断医学诊断医学诊断
微生物学微生物学

背景情况:

尿路感染 (UTI) 是全球常见的细菌感染.
抗菌素耐药性 (AMR) 构成了严重的公共卫生威胁,使尿路感染治疗复杂化.
目前的尿路感染和AMR诊断是耗时的,昂贵的,需要专门的实验室.

研究的目的:

开发基于生物发光的快速并联测定,用于同时检测尿路感染和AMR.
创建一个便携式,具有成本效益的诊断工具,用于点的护理使用.
简化诊断过程,使即时的临床决策.

主要方法:

为检测UTI设计的全细胞生物发光试验 (5分钟).
采用修改的基于ATP的生物发光来检测AMR (30分钟).
使用便携式光度计进行同时,快速的测试.

主要成果:

尿路感染检测灵敏度达到20,000 CFU/mL,达到临床值.
在30分钟内实现了AMR检测.
测试表明100%的准确性诊断UTI和AMR在临床样本 (n=8),不受尿路成分的影响.
使用便携式设备,在30分钟内同时检测出尿路感染和AMR.

结论:

开发了针对尿路感染和AMR的新型,快速,并联生物发光测定.
便携式系统在简化诊断和降低医疗保健成本方面具有显著的优势.
这项技术有可能优化抗生素治疗并改善各种医疗机构的患者治疗结果.

更多相关视频

Bioluminescent Bacterial Imaging In Vivo

Bioluminescent Bacterial Imaging In Vivo

Published on: November 4, 2012

Longitudinal Follow-Up of Urinary Tract Infections and Their Treatment in Mice using Bioluminescence Imaging

Longitudinal Follow-Up of Urinary Tract Infections and Their Treatment in Mice using Bioluminescence Imaging

Published on: June 14, 2021

相关概念视频

Urine Studies II: Urine Culture and Sensitivity Test

Urine Studies II: Urine Culture and Sensitivity Test

A urine culture and sensitivity test is a diagnostic procedure used to identify urinary tract bacterial infections and determine the most effective antibiotics for treatment. This test is generally preferred when a patient shows manifestations of a urinary tract infection, such as frequent or painful urination, cloudy or foul-smelling urine, or lower abdominal pain.Purpose of the TestThe primary goals of a urine culture and sensitivity test are to:Determine the specific bacteria causing the...

Methods to Assess Microbial Populations

Methods to Assess Microbial Populations

Assessing microbial populations is crucial for understanding microbial roles in health, ecology, and industry. Various complementary techniques—both culture-based and molecular—enable detailed analysis of microbial abundance, diversity, and function.Viable Plate CountThe viable plate count is a traditional culture-based method used to estimate the number of living microbes in a sample. After serial dilution, the sample is spread onto nutrient agar plates. Each viable cell forms a...

Microbial Biosensors

Microbial Biosensors

Microbial biosensors are analytical devices that utilize living microbes to detect specific substances through measurable signals. These devices consist of two main components: biosensing organisms and signal-transducing elements. Biosensing organisms, such as Escherichia coli or Saccharomyces cerevisiae, are typically housed in multiwell plates connected to transducers, enabling rapid, real-time detection of target analytes.Signal Generation MechanismWhen a target analyte—such as...

Automated Microbial Diagnostics

Automated Microbial Diagnostics

Automated diagnostic analyzers have transformed clinical microbiology by providing rapid and reliable methods for pathogen identification and antibiotic susceptibility testing. Among these systems, the Vitek 2 is widely used because it automates the traditionally labor-intensive processes of microbial identification (ID) and antibiotic susceptibility testing (AST), delivering standardized and timely results that are essential for effective patient care.Microbial Identification with ID CardsThe...