Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Urine Studies I: Urinalysis01:29

Urine Studies I: Urinalysis

1.5K
Urinalysis is a widely used diagnostic test that analyzes urine's physical, chemical, and microscopic characteristics. Healthcare providers use it to detect and monitor various health conditions, including renal disease, urinary tract infections (UTIs), diabetes, and metabolic or systemic disorders.Components of UrinalysisUrinalysis consists of three primary components: physical, chemical, and microscopic examination. Each provides unique insights into the urine sample and, by extension, the...
1.5K
Colors and Magnetism03:02

Colors and Magnetism

14.1K
Color in Coordination Complexes
When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. For coordination compounds, the energy difference between the d orbitals often allows photons in the visible range to be absorbed and emitted, which is seen as colors by the human...
14.1K
Color Vision01:24

Color Vision

1.5K
Color perception begins in the retina, the light-sensitive layer at the back of the eye. Two main theories explain how colors are seen: the trichromatic theory and the opponent-process theory. The trichromatic theory, proposed by Thomas Young in 1802 and extended by Hermann von Helmholtz in 1852, suggests that color vision is based on three types of cone receptors in the retina. These cones are sensitive to different but overlapping ranges of wavelengths corresponding to red, blue, and green.
1.5K
Bacterial Transformation01:33

Bacterial Transformation

59.9K
In 1928, bacteriologist Frederick Griffith worked on a vaccine for pneumonia, which is caused by Streptococcus pneumoniae bacteria. Griffith studied two pneumonia strains in mice: one pathogenic and one non-pathogenic. Only the pathogenic strain killed host mice.
Griffith made an unexpected discovery when he killed the pathogenic strain and mixed its remains with the live, non-pathogenic strain. Not only did the mixture kill host mice, but it also contained living pathogenic bacteria that...
59.9K
Trial and Error and Algorithm01:12

Trial and Error and Algorithm

420
A problem-solving strategy is a plan of action used to find a solution. Different strategies have distinct action plans. Trial and error involves trying different solutions until one works. For instance, to fix a broken printer, you might check ink levels, ensure the paper tray isn't jammed, and verify the printer's connection to your laptop. This method can be time-consuming but is commonly used. Thomas Edison, for example, used trial and error to find a suitable filament for the light...
420
Space Trusses01:25

Space Trusses

1.3K
A space truss is a three-dimensional counterpart of a planar truss. These structures consist of members connected at their ends, often utilizing ball-and-socket joints to create a stable and versatile framework. The space truss is widely used in various construction projects due to its adaptability and capacity to withstand complex loads.
At the core of a space truss lies the fundamental unit known as the tetrahedron. This structure is composed of six members that form a three-dimensional shape...
1.3K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Effects of exercise on cardiorespiratory fitness in individuals with MASLD: a systematic review and dose-response meta-analysis.

Frontiers in sports and active living·2026
Same author

Highly Sensitive and Robust Detection of Human Telomerase Based on Strand-Displacement Cascade Amplification.

ACS measurement science au·2026
Same author

Graphene oxide-supported berberine and aloe-emodin nanocomposites for dual-drug release and antimicrobial therapy.

Fundamental research·2026
Same author

Investigation of Nucleobase-Metal Complex-Based Nanozyme and the Application for Nitrite Detection.

Langmuir : the ACS journal of surfaces and colloids·2026
Same author

Potentiated Tumor Photo-immunotherapy Based on Glutamine Starvation and Interferon Stimulatory DNA-Activated cGAS-STING Pathway.

ACS medicinal chemistry letters·2026
Same author

FDX1 as a predictive biomarker and therapeutic target for lymph node metastasis in gastric cancer.

Clinical and experimental medicine·2026
Same journal

Impact of an Artificial Albumin Corona on Surface Charge-Driven Nano-Bio Interactions and Cytotoxicity of Silver Nanoparticles.

ACS omega·2026
Same journal

Structural and Functional Disruption of Thiopurine S‑Methyltransferase by the A80P Variant: A Simulation and Genotyping Study.

ACS omega·2026
Same journal

CRISPR/Cas12a2-Mediated Ultrasensitive Assay for Rapid Detection of H1N1 Influenza Virus RNA.

ACS omega·2026
Same journal

Photocatalytic Treatment of Real Sugar Industry Wastewater Using Lignocellulosic Biomass-Derived Hydrochar/g-CN.

ACS omega·2026
Same journal

Electrochemical Dopamine Biosensor Based on Plant-Derived Peroxidase Immobilized on Titanate Nanowires.

ACS omega·2026
Same journal

Revealing the Effects of Process Parameters on Structural, Thermal, Mechanical, Biodegradation, and Biocompatibility Properties on the Electrospinning of Poly(vinyl alcohol)/Microbial Inulin Nanofibers.

ACS omega·2026
See all related articles

Related Experiment Video

Updated: Feb 3, 2026

Low-Cost, Volume-Controlled Dipstick Urinalysis for Home-Testing
06:55

Low-Cost, Volume-Controlled Dipstick Urinalysis for Home-Testing

Published on: May 8, 2021

6.3K

Color Space Transformation-Based Smartphone Algorithm for Colorimetric Urinalysis.

Renbing Yang1, Wenbo Cheng1,2,3, Xifeng Chen1,4

  • 1CAS Key Lab of Bio-Medical Diagnostics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou 215163, P. R. China.

ACS Omega
|October 16, 2018
PubMed
Summary
This summary is machine-generated.

This study introduces a smartphone-based algorithm for analyzing urine test strips using human vision. It offers accurate, quantitative point-of-care testing (POCT) for urine analysis, overcoming traditional analyzer limitations.

More Related Videos

Author Spotlight: Development of a Smartphone-Enhanced Paper-Based Device for Rapid Dengue NS1 Detection
06:00

Author Spotlight: Development of a Smartphone-Enhanced Paper-Based Device for Rapid Dengue NS1 Detection

Published on: January 26, 2024

2.1K
Design and Development of Aptamer–Gold Nanoparticle Based Colorimetric Assays for In-the-field Applications
08:23

Design and Development of Aptamer–Gold Nanoparticle Based Colorimetric Assays for In-the-field Applications

Published on: June 23, 2016

12.8K

Related Experiment Videos

Last Updated: Feb 3, 2026

Low-Cost, Volume-Controlled Dipstick Urinalysis for Home-Testing
06:55

Low-Cost, Volume-Controlled Dipstick Urinalysis for Home-Testing

Published on: May 8, 2021

6.3K
Author Spotlight: Development of a Smartphone-Enhanced Paper-Based Device for Rapid Dengue NS1 Detection
06:00

Author Spotlight: Development of a Smartphone-Enhanced Paper-Based Device for Rapid Dengue NS1 Detection

Published on: January 26, 2024

2.1K
Design and Development of Aptamer–Gold Nanoparticle Based Colorimetric Assays for In-the-field Applications
08:23

Design and Development of Aptamer–Gold Nanoparticle Based Colorimetric Assays for In-the-field Applications

Published on: June 23, 2016

12.8K

Area of Science:

  • Biomedical Engineering
  • Clinical Chemistry
  • Medical Diagnostics

Background:

  • Urine test strips are crucial for clinical urinalysis but traditional analyzers have limitations for point-of-care testing (POCT).
  • Integrating smartphones with biosensors offers a promising avenue for portable diagnostic tools.
  • Existing methods may lack the accuracy and quantitative capabilities required for effective POCT.

Purpose of the Study:

  • To develop and validate a human vision-based smartphone algorithm for the colorimetric analysis of urine test strips.
  • To enhance the analytical performance of urine strips for quantitative POCT applications.
  • To provide a convenient and accurate alternative to conventional urine analyzers.

Main Methods:

  • A human vision-based smartphone algorithm was developed for colorimetric analysis of urine indexes.
  • The CIEDE2000 formula in CIELab color space was employed for precise color difference evaluation.
  • The algorithm was tested for accuracy, quantitative analysis, and computational load suitability for smartphones.

Main Results:

  • The proposed smartphone algorithm demonstrated excellent reliability and accuracy compared to standard urine analyzers.
  • Quantitative analysis of various urine indexes was achieved with high precision.
  • Successful analysis of human real samples confirmed the method's effectiveness and accuracy for POCT.

Conclusions:

  • The developed human vision-based smartphone algorithm offers a convenient and accurate tool for point-of-care urine analysis.
  • This method overcomes the drawbacks of traditional urine analyzers, enabling more accessible diagnostics.
  • The algorithm's suitability for smartphone platforms facilitates widespread adoption in clinical settings.