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

Factors Affecting Dissolution: Particle Size and Effective Surface Area01:23

Factors Affecting Dissolution: Particle Size and Effective Surface Area

1.7K
Dissolution kinetics, an essential aspect of oral drug delivery, is significantly influenced by the drug's particle size. According to the Noyes-Whitney dissolution model, the dissolution rate correlates directly with the drug's surface area. The larger the surface area, the higher the drug's solubility in water, leading to a faster drug dissolution rate. Reducing particle size increases the effective surface area, enhancing the dissolution process. Micronization and nanosizing are...
1.7K
Buffer Effectiveness02:19

Buffer Effectiveness

55.5K
Buffer solutions do not have an unlimited capacity to keep the pH relatively constant . Instead, the ability of a buffer solution to resist changes in pH relies on the presence of appreciable amounts of its conjugate weak acid-base pair. When enough strong acid or base is added to substantially lower the concentration of either member of the buffer pair, the buffering action within the solution is compromised.
The buffer capacity is the amount of acid or base that can be added to a given volume...
55.5K
Lewis Acids and Bases02:33

Lewis Acids and Bases

48.5K
In 1923, G. N. Lewis proposed a generalized definition of acid-base behavior in which acids and bases are identified by their ability to accept or to donate a pair of electrons and form a coordinate covalent bond.
A coordinate covalent bond (or dative bond) occurs when one of the atoms in the bond provides both bonding electrons. For example, a coordinate covalent bond occurs when a water molecule combines with a hydrogen ion to form a hydronium ion. A coordinate covalent bond also results when...
48.5K
Base Excision Repair01:54

Base Excision Repair

26.4K
One of the common DNA damages is the chemical alteration of single bases by alkylation, oxidation, or deamination. The altered bases cause mispairing and strand breakage during replication. This type of damage causes minimal change to the DNA double helix structure and can be repaired by the base excision repair (BER) pathways. BER corrects damaged DNA sequences by removing the damaged base and restoring the original base sequence using the complementary strand as a template.
The first step of...
26.4K
Weak Base Solutions03:21

Weak Base Solutions

25.3K
Some compounds produce hydroxide ions when dissolved by chemically reacting with water molecules. In all cases, these compounds react only partially and so are classified as weak bases. These types of compounds are also abundant in nature and important commodities in various technologies. For example, global production of the weak base ammonia is typically well over 100 metric tons annually, being widely used as an agricultural fertilizer, a raw material for chemical synthesis of other...
25.3K
Ions as Acids and Bases02:54

Ions as Acids and Bases

26.6K
Salts with Acidic Ions
Salts are ionic compounds composed of cations and anions, either of which may be capable of undergoing an acid or base ionization reaction with water. Aqueous salt solutions, therefore, may be acidic, basic, or neutral, depending on the relative acid-base strengths of the salt’s constituent ions. For example, dissolving the ammonium chloride in water results in its dissociation, as described by the equation:
26.6K

You might also read

Related Articles

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

Sort by
Same author

Systemic Inflammation Response Index (SIRI) and contrast-associated AKI in neurointerventional/peri-procedural setting.

BMC neurology·2026
Same author

Development of Electrocardiography Standards for Evaluating Myocardial Infarction and Ischemia-Reperfusion Injury in Mice.

Journal of the American Heart Association·2026
Same author

The experiences of Chinese pregnant women who have undergone fetal reduction: a qualitative study.

Scientific reports·2026
Same author

Nutritional prehabilitation in patients with head and neck cancer: an evidence mapping analysis.

Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer·2026
Same author

Prognostic factors for pediatric sudden sensorineural hearing loss: a systematic review and meta-analysis.

Frontiers in pediatrics·2026
Same author

Comparative effects of central adiposity and BMI trajectories on cardiometabolic diseases in Chinese adults: a longitudinal cohort study.

Lipids in health and disease·2026

Related Experiment Video

Updated: Feb 8, 2026

Deep Learning-Based Segmentation of Cryo-Electron Tomograms
10:25

Deep Learning-Based Segmentation of Cryo-Electron Tomograms

Published on: November 11, 2022

10.9K

Practice and effectiveness of web-based problem-based learning approach in a large class-size system: A comparative

Yongxia Ding1, Peili Zhang1

  • 1Nursing College of Shanxi Medical University, No. 29, Jiefang South Road, Taiyuan 030001, Shanxi Province, China.

Nurse Education in Practice
|June 18, 2018
PubMed
Summary
This summary is machine-generated.

Web-based problem-based learning (PBL) significantly improves nursing students' exam scores and self-learning skills in large classes. Most students were satisfied with this innovative teaching approach.

Keywords:
Large class-size teaching environmentNursing educationProblem-based learningSelf-learning capacityWeb-based teaching

More Related Videos

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
09:51

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve

Published on: September 7, 2022

3.7K
Constructing and Visualizing Models using Mime-based Machine-learning Framework
06:19

Constructing and Visualizing Models using Mime-based Machine-learning Framework

Published on: July 22, 2025

2.6K

Related Experiment Videos

Last Updated: Feb 8, 2026

Deep Learning-Based Segmentation of Cryo-Electron Tomograms
10:25

Deep Learning-Based Segmentation of Cryo-Electron Tomograms

Published on: November 11, 2022

10.9K
The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
09:51

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve

Published on: September 7, 2022

3.7K
Constructing and Visualizing Models using Mime-based Machine-learning Framework
06:19

Constructing and Visualizing Models using Mime-based Machine-learning Framework

Published on: July 22, 2025

2.6K

Area of Science:

  • Medical Education
  • Educational Technology

Background:

  • Problem-based learning (PBL) is a widely adopted teaching method globally.
  • Investigating the efficacy of web-based PBL in large educational settings is crucial for modern pedagogy.

Purpose of the Study:

  • To evaluate the effectiveness of web-based PBL compared to traditional methods in large nursing classes.
  • To assess student satisfaction with web-based PBL and its impact on learning outcomes.

Main Methods:

  • A cluster sampling method divided 328 nursing students into an experimental (web-based PBL) and a control (traditional) group.
  • Outcomes measured included examination scores, self-learning capacity, and student satisfaction.

Main Results:

  • The experimental group demonstrated significantly higher examination scores (P < 0.01) and enhanced self-learning capabilities.
  • 92.6% of students in the experimental group reported satisfaction with the web-based PBL approach.

Conclusions:

  • Web-based PBL is an effective and optimal teaching strategy for large nursing classes.
  • This approach enhances academic performance and student engagement, highlighting the value of web-based technologies in education.