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Related Concept Videos

Oxidation Numbers03:14

Oxidation Numbers

43.1K
In redox reactions, the transfer of electrons occurs between reacting species. Electron transfer is described by a hypothetical number called the oxidation number (or oxidation state). It represents the effective charge of an atom or element, which is assigned using a set of rules.
43.1K
Alkali Metals03:06

Alkali Metals

25.0K
Group 1 elements are soft and shiny metallic solids. They are malleable, ductile, and good conductors of heat and electricity. The melting points of the alkali metals are unusually low for metals and decrease going down the group, while the density increases going down the group with the exception of potassium (Table 1).
Table 1: Properties of the alkali metals
25.0K
Properties of Transition Metals02:58

Properties of Transition Metals

30.1K
Transition metals are defined as those elements that have partially filled d orbitals. As shown in Figure 1, the d-block elements in groups 3–12 are transition elements. The f-block elements, also called inner transition metals (the lanthanides and actinides), also meet this criterion because the d orbital is partially occupied before the f orbitals.
30.1K
Metal-Ligand Bonds02:51

Metal-Ligand Bonds

24.5K
The hemoglobin in the blood, the chlorophyll in green plants, vitamin B-12, and the catalyst used in the manufacture of polyethylene all contain coordination compounds. Ions of the metals, especially the transition metals, are likely to form complexes.
In these complexes, transition metals form coordinate covalent bonds, a kind of Lewis acid-base interaction in which both of the electrons in the bond are contributed by a donor (Lewis base) to an electron acceptor (Lewis acid). The Lewis acid in...
24.5K
Oxidation-Reduction Reactions03:11

Oxidation-Reduction Reactions

75.9K
Oxidation–Reduction Reactions
75.9K
Bonding in Metals02:32

Bonding in Metals

52.8K
Metallic bonds are formed between two metal atoms. A simplified model to describe metallic bonding has been developed by Paul Drüde called the “Electron Sea Model”. 
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Related Experiment Video

Updated: Feb 12, 2026

Aerosol-assisted Chemical Vapor Deposition of Metal Oxide Structures: Zinc Oxide Rods
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Aerosol-assisted Chemical Vapor Deposition of Metal Oxide Structures: Zinc Oxide Rods

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New Digital Metal-Oxide (MOx) Sensor Platform.

Daniel Rüffer1, Felix Hoehne2, Johannes Bühler3

  • 1Sensirion AG, CH-8712 Stäfa, Switzerland. daniel.rueffer@sensirion.com.

Sensors (Basel, Switzerland)
|April 5, 2018
PubMed
Summary
This summary is machine-generated.

New metal-oxide (MOx) gas sensors in the Sensirion Gas Platform (SGP) enable advanced sensing for Internet of Things (IoT) devices. This milestone brings MOx sensor technology closer to widespread commercial application in wearables and mobile phones.

Keywords:
gas sensorindoor air qualityindustrializationmetal oxidemicro-heatermicroelectromechanical systems (MEMS)miniaturization

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Area of Science:

  • Materials Science
  • Sensor Technology
  • Internet of Things (IoT)

Background:

  • Metal-oxide (MOx) gas sensors are crucial for sensing applications in Internet of Things (IoT) devices, wearables, and mobile phones.
  • Recent scientific advancements have positioned MOx sensors as promising candidates for these evolving technological platforms.
  • Widespread adoption of MOx sensors necessitates viable commercial solutions.

Purpose of the Study:

  • To present a significant advancement in the commercial application of MOx sensor technology.
  • To introduce the new Sensirion Gas Platform (SGP) as a milestone achievement.
  • To detail the architecture and performance of the SGP in specific applications.

Main Methods:

  • Development of the Sensirion Gas Platform (SGP).
  • Architectural design and implementation of the new MOx sensor platform.
  • Performance evaluation of the SGP in selected real-world sensing applications.

Main Results:

  • The Sensirion Gas Platform (SGP) represents a milestone in the commercialization of MOx gas sensor technology.
  • The publication details the platform's architecture, showcasing its innovative design.
  • Performance data demonstrates the SGP's effectiveness in targeted sensing applications.

Conclusions:

  • The Sensirion Gas Platform (SGP) successfully bridges the gap between MOx sensor technology and commercial viability.
  • This platform opens new avenues for advanced gas sensing in consumer electronics and IoT ecosystems.
  • The presented architecture and performance data support the widespread application of MOx sensors.