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Related Concept Videos

Quantum Numbers02:43

Quantum Numbers

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It is said that the energy of an electron in an atom is quantized; that is, it can be equal only to certain specific values and can jump from one energy level to another but not transition smoothly or stay between these levels.
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The Quantum-Mechanical Model of an Atom02:45

The Quantum-Mechanical Model of an Atom

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Shortly after de Broglie published his ideas that the electron in a hydrogen atom could be better thought of as being a circular standing wave instead of a particle moving in quantized circular orbits, Erwin Schrödinger extended de Broglie’s work by deriving what is now known as the Schrödinger equation. When Schrödinger applied his equation to hydrogen-like atoms, he was able to reproduce Bohr’s expression for the energy and, thus, the Rydberg formula governing hydrogen spectra.
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Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the...
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Key Techniques in Microbiology01:19

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Aseptic techniques prevent contamination, ensure experimental accuracy, and protect researchers and microbial cultures. These techniques are essential in clinical, industrial, and research settings where sterility is required.Maintaining Sterility in Laboratory PracticesScientists maintain sterility by sterilizing tools with heat or chemicals, disinfecting work surfaces, and handling cultures in controlled environments. Working near an open flame or within a laminar flow hood reduces the risk...
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Rate-Determining Steps03:08

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Relating Reaction Mechanisms
In a multistep reaction mechanism, one of the elementary steps progresses significantly slower than the others. This slowest step is called the rate-limiting step (or rate-determining step). A reaction cannot proceed faster than its slowest step, and hence, the rate-determining step limits the overall reaction rate.
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Electron Paramagnetic Resonance (EPR) Spectroscopy: Organic Radicals01:17

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Ideally, an unpaired electron shows a single peak in the EPR spectrum due to the transition between the two spin energy states. However, coupling interactions can occur between the spins of the unpaired electron and any neighboring spin-active nuclei. This hyperfine coupling results in hyperfine splitting, where the EPR signal is split into multiplets. The signals split into 2nI + 1 peaks, where n is the number of equivalent nuclei and I is the nuclear spin. These splitting patterns provide...
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Updated: Feb 7, 2026

A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
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Corrigendum: One Step Quantum Key Distribution Based on EPR Entanglement.

Jian Li, Na Li, Lei-Lei Li

    Scientific Reports
    |July 19, 2018
    PubMed
    Summary

    This study corrects a previously published article DOI. The correction ensures accurate referencing for scientific literature and research integrity.

    Area of Science:

    • Scientific Publishing
    • Scholarly Communication

    Context:

    • Correction of published scientific articles
    • Ensuring accuracy in research records

    Purpose:

    • To amend the Digital Object Identifier (DOI) of a specific article
    • To maintain the integrity of scientific literature

    Summary:

    • The article DOI: 10.1038/srep28767 has been corrected.
    • This ensures proper citation and retrieval of the research.

    Impact:

    • Improved accuracy in scientific databases
    • Facilitates reliable access to research findings
    • Upholds standards in scholarly publishing

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