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Related Concept Videos

Dehydration Synthesis01:15

Dehydration Synthesis

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Overview
Dehydration synthesis (also called a condensation reaction) is the chemical process in which two molecules covalently link together to form a new molecule, along with the release of a water molecule. Many physiologically important compounds form by dehydration synthesis reactions, such as complex carbohydrates, proteins, DNA, and RNA.
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Sugar molecules are covalently linked together by dehydration synthesis. During the reaction, the hydroxyl (-OH) group from...
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Retrieval01:12

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Retrieval is the process of getting information out of memory storage and back into conscious awareness. This ability is essential for daily tasks like brushing hair and teeth, driving to work, and performing job duties. Retrieval occurs in three ways: recall, recognition, and relearning.
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Storage01:23

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A schema is a mental framework that helps individuals organize and interpret information. Schemata, formed from previous experiences, influence how we process new information: how we encode it, the inferences we make, and how we retrieve it. For instance, a schema for what a typical classroom looks like might include desks, a teacher's desk, a whiteboard, and students in such an environment. This expectation helps us quickly understand and navigate new classrooms without needing to analyze...
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Acid-Catalyzed Dehydration of Alcohols to Alkenes02:35

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In a dehydration reaction, a hydroxyl group in an alcohol is eliminated along with the hydrogen from an adjacent carbon. Here, the products are an alkene and a molecule of water. Dehydration of alcohols is generally achieved by heating in the presence of an acid catalyst. While the dehydration of primary alcohols requires high temperatures and acid concentrations, secondary and tertiary alcohols can lose a water molecule under relatively mild conditions.
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ATP is a highly unstable molecule. Unless quickly used to perform work, ATP spontaneously dissociates into ADP and inorganic phosphate (Pi), and the free energy released during this process is lost as heat. The energy released by ATP hydrolysis is used to perform work inside the cell and depends on a strategy called energy coupling. Cells couple the exergonic reaction of ATP hydrolysis with endergonic reactions, allowing them to proceed.
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Related Experiment Video

Updated: Jan 26, 2026

High-Density DNA and RNA microarrays - Photolithographic Synthesis, Hybridization and Preparation of Large Nucleic Acid Libraries
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High density DNA data storage library via dehydration with digital microfluidic retrieval.

Sharon Newman1,2, Ashley P Stephenson1, Max Willsey1

  • 1School of Computer Science and Engineering, University of Washington, Seattle, WA, 98195, USA.

Nature Communications
|April 14, 2019
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Summary

Researchers developed a scalable DNA data storage method using dehydrated DNA spots on glass. This approach enables high-density data storage and retrieval via microfluidics, demonstrating 1 TB capacity per spot.

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Area of Science:

  • Biotechnology
  • Data Storage
  • Microfluidics

Background:

  • DNA offers high-density data storage potential.
  • Physical storage and retrieval of DNA data pools present significant challenges.
  • Scalable data storage requires isolated DNA pools with shared addressing.

Purpose of the Study:

  • To propose and validate a scalable DNA data storage method using dehydrated DNA spots on glass.
  • To demonstrate efficient retrieval of stored DNA data using digital microfluidics.
  • To assess the feasibility of dense DNA spot arrangement and high data capacity.

Main Methods:

  • Storing dehydrated DNA spots on glass substrates.
  • Utilizing digital microfluidic devices with water droplets for DNA retrieval.
  • Varying spot organization, DNA mass, and droplet dwell times.
  • Sequencing retrieved DNA to verify data integrity.

Main Results:

  • Successful retrieval of the majority of DNA from dehydrated spots across various conditions.
  • Demonstrated dense packing of DNA spots on microfluidic devices with minimal cross-contamination.
  • Validated the storage and retrieval of 1 TB of data from a single DNA spot.

Conclusions:

  • Dehydrated DNA spots on glass provide a viable and scalable approach for DNA data storage.
  • Digital microfluidics enables efficient and non-contaminating retrieval of DNA data.
  • This method supports high-density data storage, with potential for terabyte-scale capacity per spot.