Jove
Visualize
Contáctanos
JoVE
x logofacebook logolinkedin logoyoutube logo
ACERCA DE JoVE
Visión GeneralLiderazgoBlogCentro de Ayuda JoVE
AUTORES
Proceso de PublicaciónConsejo EditorialAlcance y PolíticasRevisión por ParesPreguntas FrecuentesEnviar
BIBLIOTECARIOS
TestimoniosSuscripcionesAccesoRecursosConsejo Asesor de BibliotecasPreguntas Frecuentes
INVESTIGACIÓN
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchivo
EDUCACIÓN
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualCentro de Recursos para ProfesoresSitio de Profesores
Términos y Condiciones de Uso
Política de Privacidad
Políticas

Videos de Conceptos Relacionados

Autoregulation of Blood Flow01:17

Autoregulation of Blood Flow

Autoregulation mechanisms are characterized by their inherent capacity for self-regulation without necessitating specific nervous stimulation or endocrine control. These mechanisms facilitate the adjustment of blood flow and, therefore, perfusion specific to each tissue region. This self-regulation encompasses chemical signals and myogenic controls.
Chemical Signaling in Autoregulation
Chemical signaling operates at the precapillary sphincter level, inciting either contraction or relaxation.
Allosteric Regulation01:08

Allosteric Regulation

Allosteric regulation of enzymes occurs when the binding of an effector molecule to a site that is different from the active site causes a change in the enzymatic activity. This alternate site is called an allosteric site, and an enzyme can contain more than one of these sites. Allosteric regulation can either be positive or negative, resulting in an increase or decrease in enzyme activity. Most enzymes that display allosteric regulation are metabolic enzymes involved in the degradation or...
Regulation of Metabolism01:19

Regulation of Metabolism

Cellular needs and conditions vary from cell to cell and change within individual cells over time. For example, the required enzymes and energetic demands of stomach cells are different from those of fat storage cells, skin cells, blood cells, and nerve cells. Furthermore, a digestive cell works much harder to process and break down nutrients during the time that closely follows a meal compared with many hours after a meal. As these cellular demands and conditions vary, so do the amounts and...
Glomerular Filtration Rate and its Regulation01:28

Glomerular Filtration Rate and its Regulation

The Glomerular Filtration Rate (GFR) is a measure of kidney function, reflecting the volume of filtrate formed per minute in the kidneys. On average, GFR is approximately 125 mL/min in males and 105 mL/min in females. Maintaining a relatively constant GFR is essential for the kidneys to effectively regulate body fluid homeostasis and maintain extracellular stability.
GFR regulation involves two primary intrinsic controls: the myogenic and tubuloglomerular feedback mechanisms.
The myogenic...
Regulation of the Cardiovascular System01:27

Regulation of the Cardiovascular System

The regulation of the cardiovascular system allows the body to adapt to various demands and maintain homeostasis.
The regulation of the cardiovascular system involves the autonomic nervous system (ANS), baroreceptors, and chemoreceptors, ensuring that heart rate and blood pressure are appropriately modulated in response to varying physiological demands.
The ANS comprises two main divisions: the sympathetic and parasympathetic nervous systems. The sympathetic nervous system enhances...
Neural Regulation of Blood Pressure01:18

Neural Regulation of Blood Pressure

The neural regulation of blood pressure involves intricate interactions between the autonomic nervous system (ANS) and cardiovascular system, ensuring adequate perfusion of tissues. This regulation primarily occurs through baroreceptor and chemoreceptor reflexes, involving both short-term and long-term mechanisms.
Baroreceptor Reflex
Baroreceptors, located in the carotid sinuses and aortic arch, detect changes in blood pressure. When blood pressure rises, these stretch-sensitive receptors...

También podría leer

Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

Ordenar por
Same author

Molecular switches meet multivalency: Antimicrobial activity of multimeric peptide assemblies from the pneumococcal LytA autolysin.

International journal of biological macromolecules·2026
Same author

Solvent-Induced Stereomutation in Supramolecular Assemblies Explained by Hansen Solubility Parameters.

Journal of the American Chemical Society·2026
Same author

Author Correction: Mapping in situ the assembly and dynamics in aqueous supramolecular polymers.

Nature communications·2026
Same author

Stable Protein-Based G-Quadruplex-Derived Supramolecular Bioinks as Tunable ECM-Mimetic Constructs Assembled by Combining Non-Covalent and Covalent Strategies.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

The Emergence of Chirality in Time and Space: Transient Asymmetry in Supramolecular Polymers Triggered by Visible Light.

Journal of the American Chemical Society·2026
Same author

A microfluidic method for controlled generation and trapping of membraneless water-in-water droplets.

Lab on a chip·2026
Same journal

Radical Cascades on Seawater Microdroplets Drive Atmospheric Mercury Oxidation.

Journal of the American Chemical Society·2026
Same journal

Superior Selective and Fast NH<sub>3</sub> Adsorption of Soft Porous MOF/Ionic Liquid Composites with Ordering Phase Transitions.

Journal of the American Chemical Society·2026
Same journal

Systematic Catalyst Variation for Improved Stereoselective Epoxide Polymerization: Subtle Modifications Resulting in Superior Efficiency.

Journal of the American Chemical Society·2026
Same journal

Deciphering the Halide Chemistry of Cl<sup>-</sup> and Br<sup>-</sup> in Enhancing Kinetics of Mg Plating/Stripping.

Journal of the American Chemical Society·2026
Same journal

Electrosynthesis of C<sub>6</sub> Chemicals by Propylene Oxidative Coupling on Au Surface.

Journal of the American Chemical Society·2026
Same journal

Statistical AI Enables Precise Screening of Multielement Catalysts.

Journal of the American Chemical Society·2026
Ver todos los artículos relacionados

Video Experimental Relacionado

Updated: May 12, 2026

Evaluation of Cerebral Blood Flow Autoregulation in the Rat Using Laser Doppler Flowmetry
07:12

Evaluation of Cerebral Blood Flow Autoregulation in the Rat Using Laser Doppler Flowmetry

Published on: January 19, 2020

La autorregulación supramolecular es la autorregulación supramolecular.

Francisco Rodríguez-Llansola1, E W Meijer

  • 1Institute for Complex Molecular Systems and Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands.

Journal of the American Chemical Society
|April 4, 2013
PubMed
Resumen
Este resumen es generado por máquina.

Los investigadores desarrollaron un nuevo sistema supramolecular que mantiene la actividad enzimática constante independientemente de la concentración. Este sistema catalítico autorregulado utiliza inhibidores diseñados específicamente para lograr la independencia de la concentración.

Más Videos Relacionados

Assessing Cerebral Autoregulation via Oscillatory Lower Body Negative Pressure and Projection Pursuit Regression
11:26

Assessing Cerebral Autoregulation via Oscillatory Lower Body Negative Pressure and Projection Pursuit Regression

Published on: December 10, 2014

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water
16:24

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water

Published on: August 2, 2012

Videos de Experimentos Relacionados

Last Updated: May 12, 2026

Evaluation of Cerebral Blood Flow Autoregulation in the Rat Using Laser Doppler Flowmetry
07:12

Evaluation of Cerebral Blood Flow Autoregulation in the Rat Using Laser Doppler Flowmetry

Published on: January 19, 2020

Assessing Cerebral Autoregulation via Oscillatory Lower Body Negative Pressure and Projection Pursuit Regression
11:26

Assessing Cerebral Autoregulation via Oscillatory Lower Body Negative Pressure and Projection Pursuit Regression

Published on: December 10, 2014

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water
16:24

Controlling the Size, Shape and Stability of Supramolecular Polymers in Water

Published on: August 2, 2012

Área de la Ciencia:

  • La bioquímica es la bioquímica.
  • Química supramolecular de las moléculas.
  • Biología Química Biología química.

Sus antecedentes:

  • La actividad enzimática es crucial en los sistemas biológicos y a menudo está regulada por la sensibilidad a la concentración de la enzima o del sustrato.
  • Los mecanismos de control existentes pueden alterar las propiedades catalíticas basadas en diferencias de concentración.

Objetivo del estudio:

  • Informar sobre el primer sistema supramolecular que muestra actividad catalítica independiente de la concentración.
  • Introducir moléculas inhibidoras de nuevo diseño para lograr esta autorregulación.

Principales métodos:

  • Diseño y síntesis de nuevas moléculas inhibidoras.
  • Construcción de un sistema supramolecular que incluya equilibrios acoplados.
  • Caracterización de la actividad catalítica del sistema en un amplio rango de concentración.

Principales resultados:

  • Demostró un sistema supramolecular donde la actividad catalítica es independiente de la concentración.
  • Se logró una concentración estable de catalizador libre de 1 mM en un amplio rango.
  • Utilizó moléculas inhibidoras para crear un sistema catalítico autorregulado.

Conclusiones:

  • El sistema supramolecular desarrollado ofrece un nuevo enfoque para controlar la actividad enzimática.
  • La concentración independiente de la actividad catalítica se puede lograr a través de sistemas moleculares diseñados con precisión.
  • Este sistema autorregulado tiene aplicaciones potenciales en diversos contextos químicos y biológicos.