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

Mixing Time01:19

Mixing Time

485
The concept of mixing time is significant in producing a uniform concrete mix with the required strength. The mixing period starts once all components are in the mixer. Initially, the mixer is charged with 10% of the water, followed by the consistent addition of solids and then 80% of the water. The remaining water is added later, within the first quarter of the mixing period. The minimum mixing time varies according to the mixer's capacity; for example, mixers with up to 1 cubic yard...
485
Mean free path and Mean free time01:22

Mean free path and Mean free time

5.2K
Consider the gas molecules in a cylinder. They move in a random motion as they collide with each other and change speed and direction. The average of all the path lengths between collisions is known as the "mean free path."
5.2K
Generation Time01:22

Generation Time

1.6K
Bacterial generation time, the period required for a bacterial population to double during its exponential growth phase, serves as a critical measure of microbial growth dynamics under optimal conditions. This parameter varies significantly across bacterial species and can be influenced by factors such as temperature, pH, and the availability of nutrients. For example, Escherichia coli can achieve a generation time of approximately 20 minutes, while Mycobacterium tuberculosis exhibits a much...
1.6K
Time Course of Drug Effect01:14

Time Course of Drug Effect

2.8K
The progression of a drug's impact can be analyzed by examining both the concentration-time course and the effect-time course. The concentration-time course is determined by the drug's half-life and is influenced by factors such as its pharmacokinetics, including absorption, distribution, metabolism, and elimination. The effect of the drug is often related to its concentration in the plasma and is calculated using the maximum drug effect and the plasma concentration that generates 50...
2.8K
Timing and Consequences on Behavior01:08

Timing and Consequences on Behavior

404
In operant conditioning, the timing of reinforcement is crucial. For animals like rats and cats, immediate reinforcement (within a few seconds) is much more effective than delayed reinforcement. For example, a food reward for a rat needs to follow within 30 seconds of pressing a bar to be effective. 
Humans, however, can respond to delayed reinforcers. We often make decisions between immediate small rewards and delayed larger rewards. This ability to delay gratification is a significant...
404
Setting Time of Cement01:12

Setting Time of Cement

717
The setting time of cement refers to the process of cement paste transitioning from a plastic state to a solid state. This process is crucial in construction as it dictates the timeframe for concrete placement, compaction, and finishing. The onset of this solidification is termed the initial set, indicating when the paste becomes unworkable. The final set is when the paste has solidified completely, and further handling or manipulation can no longer affect its shape. The cement strength is...
717

You might also read

Related Articles

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

Sort by
Same author

When looks deceive: signet ring cell carcinoma masquerading as solitary pinpoint gastric erosion.

iGIE : innovation, investigation and insights·2026
Same author

Wall-Induced Symmetry Breaking and Directional Stability in Single-Component Light-Driven Micromotors.

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

Implementing key quality performance metrics improves colorectal adenoma detection: Evidence from India.

Indian journal of gastroenterology : official journal of the Indian Society of Gastroenterology·2026
Same author

Outcomes of submucosal tunneling endoscopic resection for subepithelial tumors in the upper gastrointestinal tract: experience from the United States.

Gastrointestinal endoscopy·2025
Same author

Image-enhanced endoscopy in upper GI tract: State-of-the-art review.

Indian journal of gastroenterology : official journal of the Indian Society of Gastroenterology·2025
Same author

Endoscopic Submucosal Dissection for Previously Attempted Colorectal Lesions: An International Multicenter Experience.

Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association·2025

Related Experiment Video

Updated: Feb 9, 2026

ScanLag: High-throughput Quantification of Colony Growth and Lag Time
07:47

ScanLag: High-throughput Quantification of Colony Growth and Lag Time

Published on: July 15, 2014

16.8K

Beyond O&P Times Three.

Sonmoon Mohapatra1, Dhruv Pratap Singh1, David Alcid1

  • 1Department of Internal Medicine, Saint Peter's University Hospital - Rutgers Robert Wood Johnson School of Medicine, New Brunswick, NJ, USA. Department of Infectious Diseases, Saint Peter's University Hospital - Rutgers Robert Wood Johnson School of Medicine, New Brunswick, NJ, USA. 3Department of Gastroenterology, Hepatology and Clinical Nutrition Saint Peter's University Hospital - Rutgers Robert Wood Johnson School of Medicine, New Brunswick, NJ, USA.

The American Journal of Gastroenterology
|June 6, 2018
PubMed
Summary

Parasitic infections are often overlooked in the US, leading to misdiagnosis of chronic diarrhea. Prompt diagnosis and treatment of these common, treatable gastrointestinal disorders are crucial.

More Related Videos

In vitro Monitoring of Extracellular pH in Real-Time
10:11

In vitro Monitoring of Extracellular pH in Real-Time

Published on: June 3, 2021

2.1K
Live Cell Imaging of Bacillus subtilis and Streptococcus pneumoniae using Automated Time-lapse Microscopy
07:31

Live Cell Imaging of Bacillus subtilis and Streptococcus pneumoniae using Automated Time-lapse Microscopy

Published on: July 28, 2011

43.4K

Related Experiment Videos

Last Updated: Feb 9, 2026

ScanLag: High-throughput Quantification of Colony Growth and Lag Time
07:47

ScanLag: High-throughput Quantification of Colony Growth and Lag Time

Published on: July 15, 2014

16.8K
In vitro Monitoring of Extracellular pH in Real-Time
10:11

In vitro Monitoring of Extracellular pH in Real-Time

Published on: June 3, 2021

2.1K
Live Cell Imaging of Bacillus subtilis and Streptococcus pneumoniae using Automated Time-lapse Microscopy
07:31

Live Cell Imaging of Bacillus subtilis and Streptococcus pneumoniae using Automated Time-lapse Microscopy

Published on: July 28, 2011

43.4K

Area of Science:

  • Gastroenterology
  • Infectious Diseases
  • Clinical Parasitology

Background:

  • Parasitic infections are frequently overlooked in the US, despite their prevalence in immigrants and travelers.
  • Routine stool ova and parasites (O&P) testing is often negative, contributing to the misconception that parasitic diseases are rare domestically.
  • Patients with parasitic diseases are often misdiagnosed with irritable bowel syndrome or inflammatory bowel disease.

Purpose of the Study:

  • To critically evaluate the symptomatology of luminal parasitic diseases.
  • To review differential diagnoses, appropriate diagnostic tests, and management strategies for parasitic gastrointestinal disorders.
  • To emphasize the importance of considering parasitic infections in patients with chronic gastrointestinal symptoms.

Main Methods:

  • Literature review of parasitic diseases, focusing on symptomatology, diagnosis, and treatment.
  • Critical evaluation of diagnostic approaches, including stool ova and parasites (O&P) testing.
  • Analysis of differential diagnoses for chronic gastrointestinal symptoms.

Main Results:

  • Certain parasitic diseases are endemic to the US and affect both immunocompetent and immunocompromised individuals.
  • Misdiagnosis is common, leading to delayed or incorrect treatment for gastrointestinal complaints.
  • Parasitic infections are often treatable with appropriate diagnostic testing and management.

Conclusions:

  • Parasitic diseases should be considered in the differential diagnosis of chronic gastrointestinal disorders, even in non-endemic areas.
  • Accurate diagnosis through appropriate testing, followed by targeted treatment, leads to favorable outcomes.
  • Distinguishing parasitic infections from other chronic GI disorders is essential for effective patient care.