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Related Concept Videos

Storage01:23

Storage

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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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Metallic Solids02:37

Metallic Solids

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Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties.
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Structures of Solids02:22

Structures of Solids

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Solids in which the atoms, ions, or molecules are arranged in a definite repeating pattern are known as crystalline solids. Metals and ionic compounds typically form ordered, crystalline solids. A crystalline solid has a precise melting temperature because each atom or molecule of the same type is held in place with the same forces or energy. Amorphous solids or non-crystalline solids (or, sometimes, glasses) which lack an ordered internal structure and are randomly arranged. Substances that...
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Network Covalent Solids

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Network covalent solids contain a three-dimensional network of covalently bonded atoms as found in the crystal structures of nonmetals like diamond, graphite, silicon, and some covalent compounds, such as silicon dioxide (sand) and silicon carbide (carborundum, the abrasive on sandpaper). Many minerals have networks of covalent bonds.
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Molecular and Ionic Solids02:54

Molecular and Ionic Solids

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Crystalline solids are divided into four types: molecular, ionic, metallic, and covalent network based on the type of constituent units and their interparticle interactions.
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ATP Energy Storage and Release01:31

ATP Energy Storage and Release

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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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Fine-tuning the Size and Minimizing the Noise of Solid-state Nanopores
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Digital Data Storage Using DNA Nanostructures and Solid-State Nanopores.

Kaikai Chen1, Jinglin Kong1, Jinbo Zhu1

  • 1Cavendish Laboratory , University of Cambridge , JJ Thomson Avenue , Cambridge CB3 0HE , United Kingdom.

Nano Letters
|December 27, 2018
PubMed
Summary
This summary is machine-generated.

This study presents a high-resolution nanopore system capable of identifying DNA nanostructures. The technology can distinguish DNA hairpins with minimal length differences, enabling high-capacity molecular data storage.

Keywords:
DNA nanotechnologyDNA storageSolid-state nanoporesnanopore sensingsingle-molecule

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Area of Science:

  • Nanotechnology
  • Molecular Biology
  • Data Storage

Background:

  • Solid-state nanopores translate molecular structures into electrical signals.
  • Existing methods face challenges in distinguishing subtle molecular variations.

Purpose of the Study:

  • To develop a high-resolution integrated nanopore system for identifying DNA nanostructures.
  • To demonstrate the system's capability in distinguishing DNA hairpins with minute stem length differences.

Main Methods:

  • Utilizing a high-resolution integrated nanopore system.
  • Employing DNA carriers with attached DNA hairpins of varying stem lengths.
  • Translating molecular structure information into electrical signals for identification.

Main Results:

  • Successfully distinguished attached short DNA hairpins with an 8 bp stem length difference along a DNA carrier.
  • Read up to 112 DNA hairpins with a 114 bp separating distance on a single DNA carrier.
  • Demonstrated a molecular data storage capacity of up to 5 × 10^33 (2^112) using an encoding strategy.

Conclusions:

  • The developed nanopore platform offers a novel method for DNA nanostructure identification and high-density data storage.
  • The system has potential for miniature-scale integration and convenient data access.
  • The encoding strategy allows for massive data storage using a limited set of base molecules.