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Related Concept Videos

The Phosphorus Cycle01:21

The Phosphorus Cycle

43.4K
Unlike carbon, water, and nitrogen, phosphorus is not present in the atmosphere as a gas. Instead, most phosphorus in the ecosystem exists as compounds, such as phosphate ions (PO43-), found in soil, water, sediment and rocks. Phosphorus is often a limiting nutrient (i.e., in short supply). Consequently, phosphorus is added to most agricultural fertilizers, which can cause environmental problems related to runoff in aquatic ecosystems.
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Thermal and Photochemical Electrocyclic Reactions: Overview01:26

Thermal and Photochemical Electrocyclic Reactions: Overview

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Electrocyclic reactions are reversible reactions. They involve an intramolecular cyclization or ring-opening of a conjugated polyene. Shown below are two examples of electrocyclic reactions. In the first reaction, the formation of the cyclic product is favored. In contrast, in the second reaction, ring-opening is favored due to the high ring strain associated with cyclobutene formation.
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Phosphorylation01:02

Phosphorylation

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The addition or removal of phosphate groups from proteins is the most common chemical modification that regulates cellular processes. These modifications can affect the structure, activity, stability, and localization of proteins within cells as well as their interactions with other proteins.
During phosphorylation, protein kinases transfer the terminal phosphate group of ATP to specific amino acid side chains of substrate proteins. Serine, threonine, and tyrosine are the most commonly...
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Photoluminescence: Applications01:14

Photoluminescence: Applications

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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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Protein Kinases and Phosphatases02:54

Protein Kinases and Phosphatases

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Proteins undergo chemical modifications that trigger changes in the charge, structure, and conformation of the proteins. Phosphorylation, acetylation, glycosylation, nitrosylation, ubiquitination, lipidation, methylation, and proteolysis are various protein modifications that regulate protein activity. Such modifications are usually enzyme-driven.
Protein kinases
Many proteins in the cell are regulated by phosphorylation, the addition of a phosphate group. A family of enzymes called kinases...
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Related Experiment Video

Updated: Dec 29, 2025

On the Preparation and Testing of Fuel Cell Catalysts Using the Thin Film Rotating Disk Electrode Method
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Phosphorene-Based Electrocatalysts.

Khang Ngoc Dinh1, Yu Zhang2, Jixin Zhu3

  • 1Energy Research Institute @ NTU (ERI@N), Interdisciplinary Graduate School, Nanyang Technological University, Singapore, 637553, Singapore.

Chemistry (Weinheim an Der Bergstrasse, Germany)
|February 8, 2020
PubMed
Summary
This summary is machine-generated.

Phosphorene, a 2D black phosphorus material, shows great promise as an electrocatalyst for reactions like hydrogen evolution. This review highlights recent advances in phosphorene synthesis for improved electrocatalytic performance.

Keywords:
electrocatalystshydrogen evolution reactionnitrogen reduction reactionoxygen evolution reactionphosphorene

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Preparation and Use of Carbonyl-decorated Carbenes in the Activation of White Phosphorus
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Area of Science:

  • Materials Science
  • Electrochemistry
  • Nanotechnology

Background:

  • Phosphorene, a 2D form of black phosphorus, has gained attention since 2014.
  • Its unique properties enable diverse applications in biological, photoelectric, and electrochemical fields.
  • As a single-element material, phosphorene is suitable for developing efficient electrocatalysts.

Purpose of the Study:

  • To summarize recent research on phosphorene in electrocatalysis.
  • To focus on synthetic strategies for enhancing phosphorene-based electrocatalyst performance.
  • To discuss current challenges and future perspectives in the field.

Main Methods:

  • Review of recent literature on phosphorene synthesis and electrocatalysis.
  • Analysis of effective synthetic strategies for performance improvement.
  • Discussion of phosphorene's role in hydrogen evolution reaction (HER), oxygen evolution reaction (OER), and nitrogen reduction reaction (NRR).

Main Results:

  • Phosphorene demonstrates significant potential as an electrocatalyst for various reactions.
  • Specific synthetic approaches have been identified to boost performance.
  • Recent progress shows phosphorene's versatility in electrocatalytic applications.

Conclusions:

  • Phosphorene is a highly promising material for advanced electrocatalysis.
  • Continued research into synthesis methods is crucial for optimizing performance.
  • Addressing current challenges will unlock phosphorene's full potential in energy conversion and storage.