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

Entropy within the Cell01:22

Entropy within the Cell

8.6K
A living cell's primary tasks of obtaining, transforming, and using energy to do work may seem simple. However, the second law of thermodynamics explains why these tasks are harder than they appear. None of the energy transfers in the universe are completely efficient. In every energy transfer, some amount of energy is lost in a form that is unusable. In most cases, this form is heat energy. Thermodynamically, heat energy is defined as the energy transferred from one system to another that...
8.6K
The Entropy as a State Function01:14

The Entropy as a State Function

134
Consider an arbitrary process that moves between two specific states (A and B) in a cyclic manner. This process is reversible and broken down into smaller parts that each follow a Carnot cycle. A Carnot cycle has two isothermal (constant temperature) processes. During these processes, the ratio of the amount of heat transferred to their respective temperature remains constant. The other two processes in the Carnot cycle are also reversible but adiabatic, which means they occur without any heat...
134
State Space Representation01:27

State Space Representation

785
The frequency-domain technique, commonly used in analyzing and designing feedback control systems, is effective for linear, time-invariant systems. However, it falls short when dealing with nonlinear, time-varying, and multiple-input multiple-output systems. The time-domain or state-space approach addresses these limitations by utilizing state variables to construct simultaneous, first-order differential equations, known as state equations, for an nth-order system.
Consider an RLC circuit, a...
785

You might also read

Related Articles

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

Sort by
Same author

Frailty phenotype transitions and functional improvements during a supervised exercise trial in older people with HIV: results from the HEALTH Trial.

Age and ageing·2026
Same author

An Exploration of Heart Rate Response and Blood Tetrahydrocannabinol (THC) Levels to Commercially Available Cannabis Edibles by Dose.

Research square·2026
Same author

Making highways and workplaces safer: An interpretable machine learning approach to predicting recent cannabis use and impairment.

Journal of safety research·2026
Same author

Advancing translational science through biostatistics, epidemiology, and research design consultations: A multi-perspective evaluation of the Georgia CTSA BERD program.

Journal of clinical and translational science·2026
Same author

Glycemic response trajectories on metformin monotherapy in real-world diabetes care.

medRxiv : the preprint server for health sciences·2026
Same author

Sphingosine kinase-2 inhibition promotes immunogenic differentiation of myeloid-derived suppressor cells through an Acetyl-CoA carboxylase-phosphatidylcholine axis.

Nature communications·2026
Same journal

Combinatorial multiomic analysis from a pedigree of Sox10Dom Hirschsprung mice identifies multiple high confidence candidate modifiers of Enteric Nervous System development.

PLoS computational biology·2026
Same journal

Extracting host-specific developmental signatures from longitudinal microbiome data.

PLoS computational biology·2026
Same journal

Population sparseness determines strength of Hebbian plasticity for maximal memory lifetime in associative networks.

PLoS computational biology·2026
Same journal

Predictive coding explains asymmetric connectivity in the brain: A neural network study.

PLoS computational biology·2026
Same journal

Zooplankton feeding behavioral signatures in the morphology of macroscale prey spatial distribution.

PLoS computational biology·2026
Same journal

A brief overview of 20 years of neuroscience in PLoS Computational Biology.

PLoS computational biology·2026
See all related articles

Related Experiment Video

Updated: May 4, 2026

An Analytical Tool that Quantifies Cellular Morphology Changes from Three-dimensional Fluorescence Images
10:00

An Analytical Tool that Quantifies Cellular Morphology Changes from Three-dimensional Fluorescence Images

Published on: August 31, 2012

14.6K

FunSpace: A functional and spatial analytic approach to cell imaging data using entropy measures.

Thao Vu1, Souvik Seal1, Tusharkanti Ghosh1

  • 1Department of Biostatistics and Informatics, University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States of America.

Plos Computational Biology
|September 27, 2023
PubMed
Summary
This summary is machine-generated.

This study introduces a novel method to analyze spatial heterogeneity in the tumor microenvironment (TME). The approach reveals significant impacts of TME cellular composition and interactions on patient survival outcomes.

More Related Videos

Mapping the Emergent Spatial Organization of Mammalian Cells using Micropatterns and Quantitative Imaging
09:56

Mapping the Emergent Spatial Organization of Mammalian Cells using Micropatterns and Quantitative Imaging

Published on: April 30, 2019

6.6K
Quantifying Spatiotemporal Parameters of Cellular Exocytosis in Micropatterned Cells
10:21

Quantifying Spatiotemporal Parameters of Cellular Exocytosis in Micropatterned Cells

Published on: September 16, 2020

6.2K

Related Experiment Videos

Last Updated: May 4, 2026

An Analytical Tool that Quantifies Cellular Morphology Changes from Three-dimensional Fluorescence Images
10:00

An Analytical Tool that Quantifies Cellular Morphology Changes from Three-dimensional Fluorescence Images

Published on: August 31, 2012

14.6K
Mapping the Emergent Spatial Organization of Mammalian Cells using Micropatterns and Quantitative Imaging
09:56

Mapping the Emergent Spatial Organization of Mammalian Cells using Micropatterns and Quantitative Imaging

Published on: April 30, 2019

6.6K
Quantifying Spatiotemporal Parameters of Cellular Exocytosis in Micropatterned Cells
10:21

Quantifying Spatiotemporal Parameters of Cellular Exocytosis in Micropatterned Cells

Published on: September 16, 2020

6.2K

Area of Science:

  • Computational Biology
  • Cancer Research
  • Spatial Statistics

Background:

  • Tumor microenvironment (TME) spatial heterogeneity is crucial for tumor progression.
  • Existing metrics fail to fully capture simultaneous cellular diversity and spatial configurations.
  • A comprehensive approach is needed to quantify complex TME spatial patterns.

Purpose of the Study:

  • To develop a novel method for quantifying spatial heterogeneity in the TME.
  • To assess the impact of TME spatial heterogeneity on patient survival outcomes.
  • To integrate cellular diversity and spatial configurations for improved prognostic models.

Main Methods:

  • Utilized spatial entropy measures across multiple distance ranges.
  • Applied functional principal component analysis (FPCA) to derive predictor scores.
  • Employed Cox regression to model survival outcomes, adjusting for confounders.

Main Results:

  • Identified significant effects of TME spatial heterogeneity on overall survival in non-small cell lung cancer (p=0.027).
  • Demonstrated significant impact of tumor-immune cell interactions on survival in triple-negative breast cancer (p=0.046).
  • Simulation studies confirmed high predictive power in accounting for spatial heterogeneity.

Conclusions:

  • The proposed method effectively quantifies TME spatial heterogeneity.
  • Spatial patterns of cellular composition and interactions are significant prognostic factors.
  • This approach offers a powerful tool for understanding tumor biology and improving cancer patient outcomes.