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Related Concept Videos

Chemical Reactions01:19

Chemical Reactions

95.7K
A chemical reaction is a process by which the bonds in the atoms of substances are rearranged to generate new substances. Matter cannot be created or destroyed in a chemical reaction—the same type and number of atoms that make up the reactants are still present in the products. Merely, the rearrangement of chemical bonds produces new compounds.
Chemical Reactions Rearrange Atoms into New Substances
A chemical reaction takes starting materials—the reactants—and changes them...
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Chemical Reactions02:26

Chemical Reactions

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A balanced chemical equation provides the information of chemical formulas of the reactants and products involved in the chemical change. A reaction’s stoichiometry helps predict how much of the reactant is needed to produce the desired amount of product, or in some cases, how much product will be formed from a specific amount of the reactant.
The relative amounts of reactants and products represented in a balanced chemical equation are often referred to as stoichiometric amounts. However, in...
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Types of Chemical Bonds02:37

Types of Chemical Bonds

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Chemical bonding theories were pioneered by American chemist Gilbert N. Lewis. He developed a model called the Lewis model to explain the type and formation of different bonds. Chemical bonding is central to chemistry; it explains how atoms or ions bond together to form molecules. It explains why some bonds are strong and others are weak, or why one carbon bonds with two oxygens and not three; why water is H2O and not H4O. 
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Types of Chemical Bonds02:36

Types of Chemical Bonds

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23.4K
Chemical Bonds02:40

Chemical Bonds

22.3K

Atoms participate in a chemical bond formation to acquire a completed valence-shell electron configuration similar to that of the noble gas nearest to it in atomic number. Ionic, covalent, and metallic bonds are some of the important types of chemical bonds. Bond energy and bond length determine the strength of a chemical bond.
Types of Chemical Bonds
An ionic bond is formed due to electrostatic attraction between cations and anions. Often, the ions are formed by the transfer of electrons...
22.3K
Chemical Reactions in Aqueous Solutions03:03

Chemical Reactions in Aqueous Solutions

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Chemical substances interact in many different ways. Certain chemical reactions exhibit common patterns of reactivity. Due to the vast number of chemical reactions, it becomes necessary to classify them based on the observed patterns of interaction.
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Plasmid-derived DNA Strand Displacement Gates for Implementing Chemical Reaction Networks
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Bond Graph Representation of Chemical Reaction Networks.

Peter Gawthrop, Edmund J Crampin

    IEEE Transactions on Nanobioscience
    |October 19, 2018
    PubMed
    Summary

    This study integrates Bond Graph and Chemical Reaction Network modeling for biomolecular systems. It introduces a novel bond graph interpretation of chemical complexes, applicable to both open and closed systems.

    Area of Science:

    • Systems Biology
    • Biochemical Engineering
    • Computational Biology

    Background:

    • Bond Graph and Chemical Reaction Network approaches model biomolecular systems separately.
    • Existing methods lack a unified framework for complex biomolecular interactions.

    Purpose of the Study:

    • To unify the Bond Graph and Chemical Reaction Network approaches.
    • To develop a bond graph interpretation for chemical reaction network complexes.
    • To demonstrate the unified approach in open and closed biomolecular systems.

    Main Methods:

    • Developing a bond graph representation for chemical complexes.
    • Applying the unified approach to model enzyme-catalyzed reactions.
    • Illustrating the method with a trans-membrane transporter model.

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    The Effect of Interfacial Chemical Bonding in TiO2-SiO2 Composites on Their Photocatalytic NOx Abatement Performance
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    Main Results:

    • A novel bond graph interpretation of chemical complexes is established.
    • The unified approach effectively models both simple and complex biomolecular systems.
    • The method is validated for closed and open system dynamics.

    Conclusions:

    • The integration of Bond Graph and Chemical Reaction Network approaches offers a powerful new tool for biomolecular system modeling.
    • This unified framework enhances the analysis of complex biological processes.
    • The presented method provides a versatile platform for systems biology research.