Animal Product Free Reagents

Animal product-free reagents are laboratory chemicals, buffers, enzymes, and culture components formulated without materials derived from animals, supporting more controlled and ethically considerate biomedical research. Manufacturers replace animal-sourced ingredients with chemically defined, recombinant, microbial, plant-derived, or synthetic alternatives, while controlling composition, sterility, and performance to reduce batch-to-batch variability and concerns about adventitious agents. In medicine, these reagents support cell culture, molecular diagnostics, vaccine and biopharmaceutical development, and quality-controlled research workflows. Their use can improve reproducibility and facilitate more standardized processes, particularly when consistent performance and traceable manufacturing are essential for translating laboratory methods into clinical and industrial applications.

Animal Product Free Reagents - Related Videos

Education

JoVE Science Education - Chemistry

Preparing Anhydrous Reagents and Equipment

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2023

Source: Laboratory of Dr. Dana Lashley - College of William and Mary Demonstrated by: Timothy Beck and Lucas Arney Many reactions in organic chemistry are moisture-sensitive and must be carried out under careful exclusion of water. In these cases the reagents have a high affinity to react with water from the atmosphere and if left exposed the desired reaction will not take place or give poor yields, because the reactants are chemically altered. In order to prevent undesired reactions with H2O...

Research

JoVE Journal - Chemistry
Free Sample

A Protocol for Safe Lithiation Reactions Using Organolithium Reagents

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Cited by 5 •

2016

The safe and proper use of organolithium reagents is described.

Research

JoVE Journal - Biology
Free Sample

Genotyping of Plant and Animal Samples without Prior DNA Purification

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Cited by 14 •

2012

The Direct PCR approach presented here facilitates PCR amplification directly from small amounts of unpurified plant and animal tissue.

EDTA: Auxiliary Complexing Reagents

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2024

EDTA titrations are usually carried out in highly basic conditions, where the fully deprotonated form of EDTA, Y4−, actively complexes with the free metal ions in the solution. Several metal ions precipitate as hydrous oxide (hydroxides, oxides, or oxyhydroxides) under these conditions, lowering the concentration of free metal ions in the solution. For this reason, auxiliary complexing agents or ligands such as ammonia, tartrate, citrate, or triethanolamine are used in EDTA titrations to...

Research

JoVE Journal - Environment
Free Sample

The Use of an Automated System (GreenFeed) to Monitor Enteric Methane and Carbon Dioxide Emissions from Ruminant Animals

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Cited by 119 •

2015

Accuracy and precision of the techniques used to measure methane emissions from ruminant animals are critically important for the success of greenhouse gas mitigation efforts. This manuscript describes the principles and operation of an automated system to monitor methane and carbon dioxide mass fluxes from the breath of ruminant animals.

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