Related Experiment Video
Updated: May 30, 2026
06:09
Breath Collection from Children for Disease Biomarker Discovery
Published on: February 14, 2019
Toward portable breath acetone analysis for diabetes detection
Marco Righettoni1, Antonio Tricoli
1Particle Technology Laboratory, Department of Mechanical and Process Engineering, Institute of Process Engineering, ETH Zurich CH-8092 Zurich, Switzerland.
Journal of Breath Research
|August 11, 2011
Summary
Portable acetone sensors using Si-doped WO(3) nanoparticles show promise for diabetes monitoring. This review critically examines their performance for medical diagnostics, discussing calibration and fabrication challenges for breath analysis.
Area of Science:
- Materials Science
- Nanotechnology
- Medical Diagnostics
Background:
- Diabetes mellitus is a chronic condition impacting millions globally.
- Breath acetone is a selective biomarker for diabetes metabolic disorder.
- Effective monitoring can simplify diabetes management and improve patient quality of life.
Purpose of the Study:
- To critically review the performance of Si-doped WO(3) nanoparticles as portable acetone detectors.
- To assess their suitability for medical diagnostic applications, specifically for diabetes.
- To identify challenges and propose solutions for fabricating effective breath acetone sensors.
Main Methods:
- Fabrication of Si-doped WO(3) nanoparticles via flame spray pyrolysis.
- Performance evaluation of chemo-resistive sensors for acetone detection.
- Analysis of sensor response influenced by flow rate, chamber volume, and acetone dissociation.
Main Results:
- Si-doped WO(3) nanoparticles demonstrate potential for portable acetone sensing.
- Sensor calibration requires careful consideration of environmental factors like flow rate and chamber volume.
- Chemo-resistive sensor fabrication presents specific challenges for reliable breath analysis.
Conclusions:
- Si-doped WO(3) nanoparticles are a viable material for developing portable diabetes breath acetone sensors.
- Optimizing sensor design and calibration is crucial for accurate medical diagnostics.
- Further research is needed to overcome fabrication hurdles and enhance sensor reliability for clinical use.
Related Concept Videos
01:30Serum Laboratory Studies, Stool Test, Breath Test
Gastrointestinal (GI) diagnostic studies are pivotal in confirming, ruling out, diagnosing, or staging various diseases, including cancers. Following diagnosis, allocating time for discussions with the patient and providing informational resources is crucial. Diagnostic assessments of the GI tract often occur in outpatient settings like endoscopy suites or GI labs. Preparation for these tests may include dietary restrictions, fasting, liquid bowel preparations, laxatives, enemas, and the...
01:24Automated 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...
01:25Type II Diabetes Mellitus III: Clinical Manifestations and Diagnosis
Type 2 diabetes mellitus develops gradually and is often asymptomatic in early stages.Clinical ManifestationsWhen symptoms appear, they include fatigue, blurred vision, pruritus, delayed wound healing, and recurrent infections, particularly candidal infections. Peripheral neuropathy may present as numbness or tingling in the extremities. Classic hyperglycemia symptoms—polyuria, polydipsia, and polyphagia—are less common. Most patients are overweight and frequently have associated hypertension...
01:25Diabetic Ketoacidosis l: Introduction
DefinitionDiabetic ketoacidosis (DKA) is an acute, life-threatening complication of diabetes mellitus, characterized by a triad of hyperglycemia (blood glucose >250 mg/dL), ketonemia or ketonuria, and metabolic acidosis (arterial pH <7.30 and serum bicarbonate <18 mEq/L). It results from insulin deficiency combined with elevated levels of counterregulatory hormones—glucagon, catecholamines, cortisol, and growth hormone—leading to increased lipolysis, hepatic ketone production, and...