Video Experimental Relacionado
Updated: Mar 15, 2026
11:18
Closed-loop Neuro-robotic Experiments to Test Computational Properties of Neuronal Networks
Published on: March 2, 2015
10.9K
Formación de una red dinámica constitucional para el reconocimiento de efectores: almacenamiento, recuerdo y borrado
Jan Holub1, Ghislaine Vantomme1, Jean-Marie Lehn1
1Laboratoire de Chimie Supramoléculaire, Institut de Science et d'Ingénierie Supramoléculaires (ISIS), Université de Strasbourg , 8 allée Gaspard Monge, 67000 Strasbourg, France.
Journal of the American Chemical Society
|August 30, 2016
Resumen
Las bibliotecas dinámicas constitucionales (CDL) se adaptan a los iones metálicos, almacenando y recordando información. Estos sistemas moleculares pueden ser entrenados, recordar iones específicos y borrar su memoria.
Área de la Ciencia:
- Química
- Ciencias de los materiales
- Ingeniería molecular
Sus antecedentes:
- Las bibliotecas dinámicas constitucionales (CDL, por sus siglas en inglés) son sistemas de componentes interconvertidos.
- Los enlaces covalentes reversibles permiten la adaptación dinámica en los sistemas moleculares.
- Los cationes metálicos pueden actuar como efectores, influyendo en las interacciones moleculares.
Objetivo del estudio:
- Investigar el uso de CDL para el almacenamiento de información y el reconocimiento molecular.
- Para diseñar CDL que se adaptan y responden a cationes metálicos específicos.
- Explorar las capacidades de almacenamiento, recuperación y borrado de la memoria de estos sistemas dinámicos.
Principales métodos:
- Construcción de CDLs utilizando hidrazonas, acilhidrazonas y iminas.
- Exposición de las CDL a los cationes metálicos como efectores químicos.
- Análisis del intercambio y selección de componentes dentro de las CDL.
- Diseño de adaptación ortogonal a los diferentes iones metálicos.
Principales resultados:
- Las CDL demostraron reorganización y adaptación en respuesta a los cationes metálicos.
- Los sistemas exhibieron memoria de interacciones específicas de iones metálicos después del entrenamiento.
- La adaptación ortogonal a diferentes cationes metálicos se logró a través de la regulación de los constituyentes.
- La eliminación de la información almacenada fue posible a través del intercambio de componentes.
Conclusiones:
- Las CDL funcionan como dispositivos moleculares de almacenamiento de información.
- Los enlaces covalentes reversibles y los sitios de coordinación facilitan la adaptación a los iones metálicos.
- Estos sistemas ofrecen una plataforma para el procesamiento de información molecular, incluido el almacenamiento, la recuperación y el borrado.
Videos de Conceptos Relacionados
01:25Neural Circuits
3.1K
Neural circuits and neuronal pools are two of the main structures found in the nervous system. Neural circuits are networks of neurons that work together to carry out a specific task or process. They consist of interconnected neurons and glial cells, which provide structural and metabolic support.
Neuronal pools are collections of nerve cells with similar functions and interact through chemical and electrical signals. These pools include both interneurons (the central neural circuit nodes that...
Neuronal pools are collections of nerve cells with similar functions and interact through chemical and electrical signals. These pools include both interneurons (the central neural circuit nodes that...
3.1K
01:23Storage
477
A schema is a mental framework that helps individuals organize and interpret information. Schemata, formed from previous experiences, influence how we process new information: how we encode it, the inferences we make, and how we retrieve it. For instance, a schema for what a typical classroom looks like might include desks, a teacher's desk, a whiteboard, and students in such an environment. This expectation helps us quickly understand and navigate new classrooms without needing to analyze...
477
01:18Long-Term Memory
808
Long-term memory is a relatively permanent type of memory, capable of storing vast amounts of information over extended periods. Its storage capacity is generally considered unlimited.
Long-term memory can be categorized into two primary types: explicit and implicit memory. Explicit memory, also known as declarative memory, involves the conscious recollection of information that we deliberately try to remember, recall, and articulate. This type of memory encompasses specific facts, events, and...
Long-term memory can be categorized into two primary types: explicit and implicit memory. Explicit memory, also known as declarative memory, involves the conscious recollection of information that we deliberately try to remember, recall, and articulate. This type of memory encompasses specific facts, events, and...
808
01:37Neural Regulation
44.0K
Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
44.0K
01:26Higher Mental Functions of Brain: Learning and Memory
2.2K
Memory is one of the most vital higher mental functions of the brain. Memory is closely related to learning because it enables us to retain information and experiences from our past to use them in our present life. It also helps us to remember facts, events, and skills, such as riding a bike or swimming. There are two types of memory — declarative memory, which involves memorizing facts or events, and procedural memory, which enables us to remember how to do something like writing or...
2.2K
01:23System of Memory
7.7K
Memory is categorized into three major systems: sensory memory, short-term memory (STM), and long-term memory (LTM). These systems differ in their capacity and the duration for which they can hold information. Sensory memory captures raw sensory input from the environment, holding it for just a few seconds or less. For example, on hearing a brief, loud sound, like a car horn honking, the sound seems to linger in the mind for a moment even after it stops. This is an instance of sensory memory...
7.7K