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Related Concept Videos

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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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.
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability....
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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.
Molecular Solids
Molecular crystalline solids, such as ice, sucrose (table sugar), and iodine, are solids that are composed of neutral molecules as their constituent units. These molecules are held together by weak intermolecular forces such as London dispersion forces, dipole-dipole interactions, or hydrogen bonds, which...
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Network Covalent Solids02:18

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.
To break or to melt a covalent network solid, covalent bonds must be broken. Because covalent bonds are relatively strong, covalent network solids are typically...
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Molecular Comparison of Gases, Liquids, and Solids02:26

Molecular Comparison of Gases, Liquids, and Solids

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Particles in a solid are tightly packed together (fixed shape) and often arranged in a regular pattern; in a liquid, they are close together with no regular arrangement (no fixed shape); in a gas, they are far apart with no regular arrangement (no fixed shape). Particles in a solid vibrate about fixed positions (cannot flow) and do not generally move in relation to one another; in a liquid, they move past each other (can flow) but remain in essentially constant contact; in a gas, they move...
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Subatomic Particles03:37

Subatomic Particles

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Dalton was only partially correct about the particles that make up matter. All matter is composed of atoms, and atoms are composed of three smaller subatomic particles: protons, neutrons, and electrons. These three particles account for the mass and the charge of an atom.
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Particle Capture in Solid-State Multipores.

Makusu Tsutsui1, Kazumichi Yokota1,2, Tomoko Nakada1

  • 1The Institute of Scientific and Industrial Research , Osaka University , Ibaraki , Osaka 567-0047 , Japan.

ACS Sensors
|November 14, 2018
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Summary
This summary is machine-generated.

Increasing pore channels in silicon nitride multipore sensors boosts detection throughput. However, closely spaced pores cause crosstalk, weakening electric fields and reducing particle capture efficiency.

Keywords:
detection throughputelectroosmotic flowelectrophoresisionic currentnanopore

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Area of Science:

  • Nanotechnology
  • Analytical Chemistry
  • Materials Science

Background:

  • Solid-state pore sensors offer high-throughput analyte detection.
  • Multiple-channel structures are key to enhancing sensor performance.

Purpose of the Study:

  • Investigate particle capture efficiency in silicon nitride multipore systems.
  • Analyze the impact of array configuration on detection throughput.

Main Methods:

  • Systematic investigation of particle capture efficiency.
  • Analysis of silicon nitride multipore systems with varying array configurations.
  • Evaluation of interchannel crosstalk effects.

Main Results:

  • Detection throughput increases with more pore channels.
  • Interchannel crosstalk in closely integrated pores deteriorates performance.
  • Weakened electric fields around pore orifices reduce absorption zones.
  • Electroosmotic contributions to particle capture are diminished by interference.

Conclusions:

  • Optimizing pore array design is crucial for maximizing sensor throughput.
  • Understanding interchannel crosstalk is essential for sensor development.
  • Findings guide the design of efficient multipore sensor systems.