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

Time-Domain Interpretation of PD Control01:07

Time-Domain Interpretation of PD Control

500
Proportional-Derivative (PD) control is a widely used control method in various engineering systems to enhance stability and performance. In a system with only proportional control, common issues include high maximum overshoot and oscillation, observed in both the error signal and its rate of change. This behavior can be divided into three distinct phases: initial overshoot, subsequent undershoot, and gradual stabilization.
Consider the example of control of motor torque. Initially, a positive...
500
Peritoneal Dialysis I: Introduction and Procedure01:30

Peritoneal Dialysis I: Introduction and Procedure

8.4K
Peritoneal dialysis (PD) is a procedure that facilitates the exchange of solutes, waste products, electrolytes, and excess fluid between the blood in the peritoneal capillaries and a dialysis solution introduced into the peritoneal cavity.Principles of Peritoneal Dialysis (PD)Diffusion: Waste products such as urea and electrolytes move from high concentrations in the blood to low concentrations in the dialysate across the peritoneal membrane. This mechanism is driven by the concentration...
8.4K
Pulse Assessment Sites01:11

Pulse Assessment Sites

3.5K
Pulse assessment sites are crucial in evaluating a patient's cardiovascular health. By assessing the pulsations of arteries at specific anatomical locations, healthcare professionals can gather valuable information about blood flow, heart rate, and peripheral circulation. Understanding these pulse assessment sites is essential for conducting comprehensive cardiovascular evaluations and monitoring patients' overall health. These sites are strategically chosen due to the accessibility and...
3.5K
Frequency-Domain Interpretation of PD Control01:24

Frequency-Domain Interpretation of PD Control

445
Proportional-Derivative (PD) controllers are widely used in fan control systems to improve stability and performance. A fan control system can be effectively represented using a Bode plot to illustrate the impact of a PD controller through its transfer function. The Bode plot visually conveys how PD control modifies the fan's response across various frequencies, providing a frequency domain interpretation of the controller's behavior.
The proportional control gain, combined with the...
445
PD Controller: Design01:26

PD Controller: Design

760
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
760

You might also read

Related Articles

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

Sort by
Same author

Author Correction: Tree diversity is changing across tropical Andean and Amazonian forests in response to global change.

Nature ecology & evolution·2026
Same author

Tree diversity is changing across tropical Andean and Amazonian forests in response to global change.

Nature ecology & evolution·2026
Same author

Artificial intelligence and endoanal ultrasound: pioneering automated differentiation of benign anal and sphincter lesions.

Techniques in coloproctology·2025
Same author

Managing Painful Digital Ulcers in a Patient Undergoing Hemodialysis.

Actas dermo-sifiliograficas·2025
Same author

How does urban morphology impact cities air quality? A modelling study.

The Science of the total environment·2025
Same author

Managing Painful Digital Ulcers in a Patient Undergoing Hemodialysis.

Actas dermo-sifiliograficas·2025

Related Experiment Video

Updated: Apr 26, 2026

Simultaneous EEG Monitoring During Transcranial Direct Current Stimulation
07:52

Simultaneous EEG Monitoring During Transcranial Direct Current Stimulation

Published on: June 17, 2013

41.6K

PDT experience in Brazil: A regional profile.

V S Bagnato1, C Kurachi2, J Ferreira2

  • 1Instituto de Física de São Carlos - Universidade de São Paulo, São Carlos, SP, Brazil and Hospital Amaral Carvalho, Jaú, SP, Brazil; Radiation Oncology, Brody School of Medicine at East Carolina University, 600 Moye Blvd LJCC 172, Greenville, NC 27858, USA.

Photodiagnosis and Photodynamic Therapy
|July 23, 2014
PubMed
Summary

Photodynamic therapy (PDT) in Brazil has shown compatible results with global data over five years. Ongoing clinical and experimental work aims to further establish PDT as a leading cancer treatment option.

More Related Videos

Home-Based Transcranial Direct Current Stimulation Device Development: An Updated Protocol Used at Home in Healthy Subjects and Fibromyalgia Patients
11:26

Home-Based Transcranial Direct Current Stimulation Device Development: An Updated Protocol Used at Home in Healthy Subjects and Fibromyalgia Patients

Published on: July 14, 2018

19.8K
Breakfast Habits among Schoolchildren in the City of Uruguaiana, Brazil
06:48

Breakfast Habits among Schoolchildren in the City of Uruguaiana, Brazil

Published on: July 29, 2020

4.4K

Related Experiment Videos

Last Updated: Apr 26, 2026

Simultaneous EEG Monitoring During Transcranial Direct Current Stimulation
07:52

Simultaneous EEG Monitoring During Transcranial Direct Current Stimulation

Published on: June 17, 2013

41.6K
Home-Based Transcranial Direct Current Stimulation Device Development: An Updated Protocol Used at Home in Healthy Subjects and Fibromyalgia Patients
11:26

Home-Based Transcranial Direct Current Stimulation Device Development: An Updated Protocol Used at Home in Healthy Subjects and Fibromyalgia Patients

Published on: July 14, 2018

19.8K
Breakfast Habits among Schoolchildren in the City of Uruguaiana, Brazil
06:48

Breakfast Habits among Schoolchildren in the City of Uruguaiana, Brazil

Published on: July 29, 2020

4.4K

Area of Science:

  • Oncology
  • Medical Physics
  • Photochemistry

Background:

  • Photodynamic therapy (PDT) requires global data collection for widespread adoption.
  • Brazil initiated a collaborative PDT program in 1997, treating over 400 patients by 2004.

Purpose of the Study:

  • To report Brazil's clinical experience and experimental advances in photodynamic therapy (PDT).
  • To contribute to the global effort of establishing PDT as a primary therapeutic modality.

Main Methods:

  • Clinical data collection from over 400 patients treated between 1999 and 2004.
  • Parallel experimental studies to analyze clinical outcomes and refine PDT protocols.
  • Focus on head and neck, skin, esophagus, bladder, gynecology, and breast cancer recurrence.

Main Results:

  • Overall clinical results are comparable to previously reported international data.
  • Significant experience gained in treating various lesion types, particularly head and neck and skin.
  • Ongoing modifications are being implemented to enhance patient outcomes.

Conclusions:

  • Brazil's PDT clinical experience aligns with global findings.
  • Continuous research and clinical development are crucial for advancing PDT.
  • PDT shows promise as a forefront therapeutic option for diverse cancers.