Related Experiment Video

Updated: Jul 16, 2026

Foodborne Pathogen Screening Using Magneto-fluorescent Nanosensor: Rapid Detection of E. Coli O157:H7
09:04

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

Published on: September 17, 2017

[The effects of the microwaves on E. coli cells depend on oxygen concentration and static magnetic field]

V L Ushakov, E D Alipov, V S Shcheglov

    Radiatsionnaia Biologiia, Radioecologiia
    |February 28, 2007
    PubMed

    More Related Videos

    Continuous Measurement of Biological Noise in Escherichia Coli Using Time-lapse Microscopy08:25

    Continuous Measurement of Biological Noise in Escherichia Coli Using Time-lapse Microscopy

    Published on: April 27, 2021

    Enhancement of the Initial Growth Rate of Agricultural Plants by Using Static Magnetic Fields05:17

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

    Published on: July 8, 2016

    Related Concept Videos

    Stringent Response in E. coli01:23

    Stringent Response in E. coli

    Bacterial growth is closely tied to nutrient availability, with cells proliferating exponentially under favorable conditions and entering a stationary phase when resources become scarce. This transition is mediated by a regulatory mechanism known as the stringent response, which allows bacteria to adapt to nutrient deprivation by modulating gene expression and metabolic activity.During nutrient scarcity, intracellular amino acid levels decline. It results in the accumulation of uncharged tRNAs...
    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.
    Physical Methods for Controlling Microbial Growth: Temperature01:23

    Physical Methods for Controlling Microbial Growth: Temperature

    Heat is a widely used method to control microbial growth by targeting and denaturing cellular proteins, thereby killing or inactivating microbes. This method's effectiveness is quantified using parameters such as the thermal death point (TDP), thermal death time (TDT), and decimal reduction time (D value). TDP represents the lowest temperature at which all microorganisms in a liquid suspension are eliminated within 10 minutes, whereas TDT is the time necessary to achieve sterilization at a...
    Factors Influencing Microbial Growth: Temperature01:27

    Factors Influencing Microbial Growth: Temperature

    Microorganisms display remarkable adaptations, enabling them to thrive in diverse ecological niches across a wide range of temperatures. Temperature profoundly influences microbial growth by affecting enzymatic activity, membrane fluidity, and other cellular processes.Each microorganism operates within a specific temperature range defined by three cardinal points: minimum, optimum, and maximum. Below the minimum temperature, membranes lose fluidity, halting transport processes. Above the...
    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...
    Factors Influencing Microbial Growth: pH01:29

    Factors Influencing Microbial Growth: pH

    Microorganisms are classified as acidophiles, neutrophiles, or alkaliphiles based on their pH growth preferences, reflecting their adaptations to specific environments. Maintaining a stable intracellular pH is critical for macromolecular stability and enzymatic activity, which can be challenged by external pH variations.Neutrophiles, such as Escherichia coli, grow optimally between pH 5.5 and 8.0. These microorganisms inhabit neutral or slightly acidic environments and employ mechanisms like...