Pasteurized Spring Water

Pasteurized spring water is water collected from an underground source and heated to reduce microorganisms before packaging. This treatment works through controlled thermal exposure, which disrupts cellular structures and metabolic processes in susceptible microbes; sealed containers then help limit recontamination. In developmental biology, the product is relevant primarily as a standardized water source for routine laboratory preparation when consistent mineral content and microbial quality are required. However, its suitability depends on the experimental system, and purified or sterile water may be specified instead.

Pasteurized Spring Water - Related Videos

Education

JoVE Core - Microbiology

Pasteurization and Food Preservation

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2026

Pasteurization is a widely employed thermal processing technique designed to enhance the safety and shelf life of perishable food and beverages. By subjecting products to specific high temperatures for controlled durations, this method effectively inactivates pathogenic microorganisms and spoilage enzymes without significantly compromising sensory qualities. The technique has been pivotal in food safety management, especially for consumables susceptible to microbial contamination such as milk,...

Frequency of Spring-Mass System

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2025

One interesting characteristic of the simple harmonic motion (SHM) of an object attached to a spring is that the angular frequency, and the period and frequency of the motion, depend only on the mass and the force constant of the spring, and not on other factors such as the amplitude of the motion or initial conditions. We can use the equations of motion and Newton's second law to find the angular frequency, frequency, and period. Consider a block on a spring on a frictionless surface. There...

Research

JoVE Journal - Engineering

How to Build a Vacuum Spring-transport Package for Spinning Rotor Gauges

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Cited by 1 •

2016

Here we describe how to build a robust spring-transport mechanism for a spinning rotor gauge. This device securely immobilizes the rotor and keeps it under vacuum during transportation. We also describe packaging that minimizes the risk of damage during transport. Tests show our design works for typical shocks during transport.

Molecular Spring Constant Analysis by Biomembrane Force Probe Spectroscopy

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Cited by 6 •

2021

A biomembrane force probe (BFP) is an in situ dynamic force spectroscopy (DFS) technique. BFP can be used to measure the spring constant of molecular interactions on living cells. This protocol presents spring constant analysis for molecular bonds detected by BFP.

States of Water

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2019

Water exists in any one of the three classical states: solid (ice), liquid (water), and gas (steam or water vapor). The state of water depends on i) the intermolecular forces that draw molecules together and ii) the kinetic energy that leads to movements that pull them apart. Water freezes when the intermolecular forces are greater than the kinetic energy. Unlike most other substances, water is less dense in its solid state than in its liquid state. This is because each water molecule can form...

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