Related Experiment Video

Updated: Jul 25, 2026

Enhancement of the Initial Growth Rate of Agricultural Plants by Using Static Magnetic Fields
05:17

Enhancement of the Initial Growth Rate of Agricultural Plants by Using Static Magnetic Fields

Published on: July 8, 2016

Effects of low-frequency magnetic fields on bacterial growth rate

E Aarholt, E A Flinn, C W Smith

    Physics in Medicine and Biology
    |July 1, 1981
    PubMed

    More Related Videos

    Foodborne Pathogen Screening Using Magneto-fluorescent Nanosensor: Rapid Detection of E. Coli O157:H709:04

    Foodborne Pathogen Screening Using Magneto-fluorescent Nanosensor: Rapid Detection of E. Coli O157:H7

    Published on: September 17, 2017

    Growing Magnetotactic Bacteria of the Genus Magnetospirillum: Strains MSR-1, AMB-1 and MS-110:07

    Growing Magnetotactic Bacteria of the Genus Magnetospirillum: Strains MSR-1, AMB-1 and MS-1

    Published on: October 17, 2018

    Related Concept Videos

    Diamagnetic Shielding of Nuclei: Local Diamagnetic Current01:14

    Diamagnetic Shielding of Nuclei: Local Diamagnetic Current

    An applied magnetic field causes the electrons present in the molecule to circulate, setting up a local diamagnetic current within the molecule. The local diamagnetic current arising from circulating sigma-bonding electrons induces a magnetic field, Blocal that opposes the applied magnetic field, B0. The effective magnetic field experienced by these nuclei is given by the difference between the applied and local magnetic fields in a phenomenon called local diamagnetic shielding. Essentially,...
    Magnetic Fields01:28

    Magnetic Fields

    A moving charge or a current creates a magnetic field in the surrounding space, in addition to its electric field. The magnetic field exerts a force on any other moving charge or current that is present in the field. Like an electric field, the magnetic field is also a vector field. At any position, the direction of the magnetic field is defined as the direction in which the north pole of a compass needle points.
    A magnetic field is defined by the force that a charged particle experiences...
    Bacterial Growth Curve01:28

    Bacterial Growth Curve

    The bacterial growth curve is a fundamental concept in microbiology that describes the dynamics of bacterial population growth in a closed system with controlled environmental conditions, such as temperature and nutrient availability. This curve is divided into four distinct phases: lag, log (exponential), stationary, and death phases, each reflecting a unique stage of bacterial adaptation and growth. During the lag phase, bacteria acclimate to their surroundings by synthesizing essential...
    Physical Methods for Controlling Microbial Growth: Radiation and Filtration01:26

    Physical Methods for Controlling Microbial Growth: Radiation and Filtration

    Radiation and filtration are essential tools for microbial control, targeting microorganisms through distinct mechanisms. Radiation eliminates microbes by damaging their DNA, either killing them or inhibiting their growth. Based on wavelength, radiation is classified into two types: nonionizing and ionizing radiation.Non-ionizing radiation, such as UV radiation (200–400 nm), is absorbed by DNA, causing defects that effectively disinfect surfaces, air, and water, including safety cabinets.
    Other Unique Bacteria01:18

    Other Unique Bacteria

    Magnetic bacteria exhibit a directed movement called magnetotaxis, driven by structures called magnetosomes. These magnetosomes consist of chains of magnetic particles made of either magnetite (Fe₃O₄) or greigite (Fe₃S₄) and are organized in a linear conformation by a protein scaffold within invaginations of the cell membrane. The bacteria align along the north–south magnetic field lines, much like a compass needle. They are typically microaerophilic or anaerobic and are commonly found near the...
    Microbes and Other Elemental Cycles01:24

    Microbes and Other Elemental Cycles

    Microbial activity plays a pivotal role in the biogeochemical cycling of iron and manganese, especially at the redox gradients characteristic of stratified aquatic environments. These cycles are driven by microbial transformations between oxidized and reduced forms of the metals, allowing organisms to exploit them for metabolic energy and structural purposes.Iron Cycling Across Redox GradientsIn neutral, oxygen-rich surface waters, iron is predominantly found in its oxidized, insoluble ferric...