Biologia

Combinación subjetiva de colores

• poder de resolución
• receptores de color
• mezcla de colores
• impresión en color

Calidad del auga - contaminación con metales pesados

Principle

Heavy-metal ions may be carried into surface or ground water from mining fields or via the waste water of galvanic or similar production sites. They block the effect of enzymes so that the processes in the metabolism of the organisms that are controlled by these enzymes may ...

Mecanismo de la respiración diafragmática

• pulmón
• Respiración
• diafragma
• músculos del diafragma
• Cesta de pecho

Presión arterial

1. Determination of the systolic and diastolic blood pressure
2. Determination of the blood pressure under physical stress

Defectos de la vista (experimento modelo)

Kit completo para estudio de defectos de la visión humana con modelo experimental

Este  kit  con  modelo  experimental  permite  los  siguientes beneficios:

• La  parte  trasera  de  la  cual  se  forma  ...

Alimentos que contienen proteínas

Learn to recognize possible tests for protein and examine various foods for protein.

Detección de quinina en tónico

Principle

Chinine is the main alkaloid of the bark of the Chinabaum. It has a typical, bitter taste and is hardly soluble in water, but soluble in alcohol, ether and chloroform

In this experiment, chinine is extracted from tonic water with an organic solvent and detected by its fluorescence ...

Fermentación alcohólica de melaza mediante levaduras

Principio

Los métodos de producción biotecnológicos desempeñan un papel económico muy significativo en las industrias farmacéutica, química y alimenticia.
El biorreactor de burbujas aquí mostrado representa una alternativa sencilla y ...

Investigamos nuestro ritmo cardíaco - electrocardiografía

Kit completo para investigación y análisis de la salud física, con electrocardiograma (ECG) el cual graba la suma de las actividades eléctricas  de  todas  las  fibras  musculares.

Investigamos nuestro ritmo cardíaco - electrocardiografía

Electromiografía (EMG) en la parte superior del brazo (con Cobra4)

• Electromiografía
• Contracciones musculares
• Bíceps
• Potenciales musculares
• Componente de potenciales de acción

Medimos nuestros movimientos oculares - electrooculograma(EOG)

Principle

With this experiment, you can find evidence of the electrical activity that is generated during the movement of your eyes. Several electrodes attached to the skin of the face measure all the changes of the electrical voltage that are caused by the movement of the eyes. This ...

Componentes de un microscopio

Principle

 While small items and living beings can be magnified by up to 15 times with a magnifying glass, it is necessary to use a light microscope to magnify by 40x to 400x, with particularly powerful microscopes even 1000x.

Benefits

• Experiment is part of a complete solution set ...

Trabajar con el microscopio

Principle

You should observe some basic rules of microscopy so you can make interesting observations as soon as possible.

Benefits

• Experiment is part of a complete solution set with a total of 50 experiments for all microscopy applications
• With student worksheet, appropriate for all ...

Aumento, magnificación de un microscopio

How small or big are the objects you see under the microscope? The following exercises shall help to illustrate the magnification of the microscope.