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Related Concept Videos

Light Acquisition02:16

Light Acquisition

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In order to produce glucose, plants need to capture sufficient light energy. Many modern plants have evolved leaves specialized for light acquisition. Leaves can be only millimeters in width or tens of meters wide, depending on the environment. Due to competition for sunlight, evolution has driven the evolution of increasingly larger leaves and taller plants, to avoid shading by their neighbors with contaminant elaboration of root architecture and mechanisms to transport water and nutrients.
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Net production efficiency (NPE) is the efficiency at which organisms assimilate energy into biomass for the next trophic level. Due to low metabolic rates and less energy spent on thermoregulatory processes, the NPE of ectotherms (cold-blooded animals) is 10 times higher than endotherms (warm-blooded animals).
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Primary Production01:06

Primary Production

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The total amount of energy acquired by primary producers in an ecosystem is called gross primary production (GPP). However, of this energy, producers use some for metabolic processes, and some is lost as heat, decreasing the amount of energy available to the next trophic level. The remaining usable amount of energy is called the net primary productivity (NPP). In terrestrial ecosystems, NPP is driven by climate, while light penetration and nutrient availability drive NPP in aquatic ecosystems.
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Vaccine Production01:23

Vaccine Production

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Vaccine production involves a sequence of upstream and downstream processes to generate a safe and effective immunological product. It begins with cultivating microorganisms, such as viruses or bacteria, to obtain antigenic material. For viral vaccines, mammalian host cells are grown in bioreactors and subsequently infected with the target virus. The virus replicates within the host cells, which are lysed to release viral particles. This lysate is then clarified through filtration or...
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Vision01:24

Vision

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Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.
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Focusing of Light in the Eye01:16

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Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...
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Related Experiment Video

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Computer-Generated Animal Model Stimuli
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Digital video technology and production 101: lights, camera, action.

Diane L Elliot1, Linn Goldberg, Michael J Goldberg

  • 11Oregon Health & Sciences University, Portland, OR, USA.

Health Promotion Practice
|December 17, 2013
PubMed
Summary

This guide helps health professionals use videos effectively in health promotion. It explains video production terms and offers strategies for integrating video into health education and recruitment efforts.

Keywords:
health promotiontechnologytraining

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Area of Science:

  • Health Communication
  • Public Health Interventions
  • Media in Health Education

Background:

  • Videos are potent tools for expanding the reach and impact of health promotion initiatives.
  • Applications include program promotion, recruitment, staff training, and intervention components.

Purpose of the Study:

  • To provide health practitioners with a guide to video production jargon.
  • To offer strategies for integrating videos into health education and promotion.
  • To assist in collaborating with professional videographers.

Main Methods:

  • The tool includes a glossary of video production terminology.
  • It provides guidance on integrating videos into health promotion work.
  • Production principles and considerations for working with videographers are detailed.

Main Results:

  • The guide offers practical advice for creating and utilizing health promotion videos.
  • It addresses common challenges in video production and collaboration.
  • Examples of video applications in health promotion are provided.

Conclusions:

  • Videos can significantly enhance health promotion program effectiveness and reach.
  • Understanding video production and collaborating with professionals are key to successful implementation.
  • This resource empowers practitioners to leverage video in health education and outreach.