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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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The energy required to carry out photosynthesis is light— typically electromagnetic radiation from the sun. The range of all possible wavelengths is known as the electromagnetic spectrum.
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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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In 1882, Flemming observed lampbrush chromosomes (LBC) in salamander eggs. Later in 1892, Rückert observed LBCs in shark egg cells and coined the term "lampbrush chromosomes" because they looked like brushes used to clean kerosene lamps.
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Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...
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In Depth Analyses of LEDs by a Combination of X-ray Computed Tomography CT and Light Microscopy LM Correlated with Scanning Electron Microscopy SEM
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Light on specifics.

Doreen Crawford1

  • 1De Montfort University, Leicester, Nursing Children and Young People.

Nursing Children and Young People
|September 10, 2014
PubMed
Summary
This summary is machine-generated.

The draft Nursing and Midwifery Council (NMC) code of conduct aims to inspire nurses but is criticized for being lengthy, obscure, and setting a low performance benchmark.

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Area of Science:

  • Nursing Ethics
  • Professional Conduct

Background:

  • The Nursing and Midwifery Council (NMC) code of conduct provides guidelines for professional nursing behavior.
  • The current draft aims to inspire nurses toward excellence in practice.

Purpose of the Study:

  • To critically evaluate the draft NMC code of conduct.
  • To assess its effectiveness in inspiring nurses and setting high performance standards.

Main Methods:

  • Content analysis of the draft NMC code of conduct.
  • Qualitative assessment of its clarity, relevance, and motivational impact.

Main Results:

  • The draft is perceived as lengthy, repetitive, and obscure.
  • It appears to set a low benchmark for professional performance.
  • Lacks inspirational quality for achieving nursing excellence.

Conclusions:

  • The draft NMC code of conduct requires significant revision to meet its intended purpose.
  • Improvements are needed in clarity, conciseness, and aspiration to truly guide nurses toward excellence.