Organic Phosphorus
Organic Phosphorus - Related Videos
10:49
Laboratory-determined Phosphorus Flux from Lake Sediments as a Measure of Internal Phosphorus Loading
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Cited by 18 •
2014
Lake eutrophication is a water quality issue worldwide, making the need to identify and control nutrient sources critical. Laboratory determination of phosphorus release rates from sediment cores is a valuable approach for determining the role of internal phosphorus loading and guiding management decisions.
01:21
The Phosphorus Cycle
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2019
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. Biological Phosphorus Cycle Phosphorus is present in many...
13:31
Soil Nutrient Analysis: Nitrogen, Phosphorus, and Potassium
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2023
Source: Laboratories of Margaret Workman and Kimberly Frye - Depaul University In this experiment, three soil macronutrients are chemically extracted, combined with color-based reagents, then analyzed using color to determine the nutrient concentration present in the soil sample. Nitrogen, phosphorus, and potassium are the main components of soil fertilizer. These methods isolate each nutrient from the soil into a solution that can be analyzed using turbidity and color to determine the...
08:46
Preparation and Reactivity of a Triphosphenium Bromide Salt: A Convenient and Stable Source of Phosphorus(I)
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Cited by 4 •
2016
The synthesis of a triphosphenium bromide salt is described and its use as a P+ transfer agent is outlined by reactions with an N-heterocyclic carbene and an anionic bisphosphine, yielding an NHC-stabilized P(I) cation and a P(I) containing zwitterion, respectively.
08:58
High-Throughput Measurement and Classification of Organic P in Environmental Samples
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Cited by 6 •
2011
This protocol describes a high-throughput method of enzymatic hydrolysis that utilizes a microplate reader to measure and classify soil phosphorus as P monoesters, P diesters and inorganic P. Up to 96 samples can be measured at one time in a standard laboratory.
FAQs
Hydrolysis and phosphoryl transfer alter the molecular arrangement of phosphate-containing compounds. Hydrolysis can change an organic phosphorus molecule by breaking down its phosphate ester linkage, while phosphoryl transfer changes molecular structure by moving a phosphoryl group between compounds. These reactions connect organic phosphorus chemistry with energy storage, protein activity, and broader metabolic regulation in biological systems.
Phosphate ester bonds connect phosphate groups with carbon-based components such as sugars, lipids, and other organic molecules. Their chemical reactivity allows these compounds to participate in structural, energetic, and regulatory functions. Because the bonds can undergo hydrolysis and phosphoryl transfer, they help biological systems modify molecular structure and control the activity of selected proteins.
Its cellular roles depend on the molecule in which the phosphate group occurs. In nucleic acids, it contributes to molecules that carry genetic information; in ATP, it participates in energy storage; and in phospholipids, it supports membrane structure. Phosphate-containing compounds also participate in cellular signaling, linking chemical transformations with changes in cellular regulation.
Within cells, organic phosphorus is associated with defined functions such as genetic information, energy storage, membrane organization, and signaling. In ecosystems, the emphasis shifts toward transformations among phosphorus-containing compounds, including microbial decomposition and nutrient cycling. Studying both scales shows how molecular reactions contribute to larger processes such as soil fertility and ecosystem nutrient availability.
A useful approach is to examine how phosphorus-containing organic molecules change through hydrolysis and phosphoryl transfer. Researchers can relate those transformations to changes in molecular structure, energy storage, protein activity, or cellular signaling. At the ecosystem level, examining microbial decomposition and nutrient cycling connects molecular changes with phosphorus movement and soil fertility.
Studies of organic phosphorus transformations help explain how phosphorus participates in nutrient cycling and becomes part of broader soil processes. Microbial decomposition is especially relevant because it is identified as a pathway through which organic phosphorus changes in environmental systems. This information can clarify the chemical basis of soil fertility and the role of phosphorus in ecosystems.
Microbial decomposition connects organic phosphorus compounds with environmental transformation. As researchers study this process, they can relate changes in phosphorus-containing molecules to nutrient cycling in ecosystems. That connection is important because phosphorus transformations do not occur only in cellular structures; they also influence how nutrients move through environmental systems and contribute to soil fertility.