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ISFET: History, Overview & Practical limitations due to the reference electrode
An ion-sensitive field-effect transistor (ISFET) is a field-effect transistor used for measuring ion concentrations in solution; when the ion concentration (such as H+, see pH scale) changes, the current through the transistor will change accordingly. Here, the solution is used as the gate electrode. A voltage between substrate and oxide surfaces arises…
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ISFET topic overview
The analysis highlights History, Overview and Practical limitations due to the reference electrode as prominent areas in the source structure around ISFET.
Related topics
39
Source areas
3
Connected nodes
45
Extracted relationships
196
Concept neighborhoods
18
Bridge connections
45
What this topic covers Research coverage
Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.
Overview · 18 topics
History · 16 topics
Practical limitations due to the reference electrode · 5 topics
Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.
Key facts & relationships
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Explore all related topics Closing gaps
A structured outline of related entities, concepts and subtopics. Open any item to build a new map centered on it.
Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
How ISFET connects Entity context
Entity context groups extracted connections by relationship type. Counts show recurrence in the analyzed source; the examples are research signals, not claims about importance.
The extracted context around ISFET shows recurring relationship patterns in the source. For example, ISFET → Actuators, Ag/AgCl, Agata Michalska, Alta, An, Analytica Chimica Acta, Anna, Archived, Armstrong, August, Badawy, Banff, Bauerfeind, Bausells, Berg, Bergveld, Bhanu, Bibcode, Bioelectrochemistry, Bioelectronics Another extracted example is ISFET → Bergveld's, BioFET, BioFETs, CMOS, DNA, DNAFET, Dutch, FET, He, It, MOS, MOSFET, Piet Bergveld, The, The ISFET, This, Twente, University. Use these groups to spot repeated connection types before inspecting the individual relationships.
Relationships are represented as Subject → Predicate → Object triples. Confidence describes extraction strength, not the real-world importance of a relationship; lower-confidence rows may be contextual rather than explicit.
TTTA extracted 196 structured relationships around ISFET. Examples in this analysis include ISFET → is a → MOSFET and that of SiO2 can donate or accept a proton → instance of → The hydroxyl groups coating an oxide surface. The table shows each extracted connection, where it came from and its confidence.
Subject
Predicate
Object
Confidence
Src
ISFET
is a
MOSFET
0.90
text
that of SiO2 can donate or accept a proton
instance of
The hydroxyl groups coating an oxide surface
0.80
text
thus behave in an amphoteric way as illustrated by the following acid-base reactions occurring at the oxide-electrolyte interface
instance of
The hydroxyl groups coating an oxide surface
0.80
text
ISFET
related to Bibliography
Bergveld
0.60
section
ISFET
related to Bibliography
Thirty
0.60
section
ISFET
related to Bibliography
ISFETOLOGY
0.60
section
ISFET
related to Bibliography
What
0.60
section
ISFET
related to Bibliography
Sensors
0.60
section
ISFET
related to Bibliography
Actuators
0.60
section
ISFET
related to Bibliography
Chemical
0.60
section
ISFET
related to Bibliography
Bibcode
0.60
section
ISFET
related to Bibliography
S0925-4005
0.60
section
No triples extracted yet.
Related concept clusters Concept neighborhoods
Concept neighborhoods group terms that sit near one another in the extracted graph. They are useful for discovering adjacent language and context, but proximity does not by itself imply a factual relationship.
The concept neighborhoods around ISFET bring nearby vocabulary together. In this analysis, examples include Ph, Noise and Transistor. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
reference electrode
Reference
Conventional
Electrodes
Also
Ph
Solution
Sensitive
Isfet
Transistor
Used
Gate
Field
practical limitations due to the reference electrode
Reference
Conventional
Electrodes
Also
Ph
Si
Voltage
Solution
Drift
Ion
Sensitive
Surface
ph
Used
Electrode
Transistor
Solution
Reference
Due
Drift
Sensitive
Sensor
Conventional
Electrodes
Also
glass electrode
Reference
Conventional
Also
Ph
Solution
Sensitive
Electrodes
Isfet
Transistor
Used
Gate
Field-effect
ISFET
Ph
Noise
Transistor
Used
Electrode
Drift
Also
Voltage
Reference
Sensitive
Sensor
Conventional
isfet
Ph
Noise
Transistor
Used
Electrode
Drift
Also
Voltage
Reference
Sensitive
Sensor
Conventional
field-effect transistor
Transistor
Ion-sensitive
Mosfet
Used
Oxide
Solution
Ph
Electrode
Ion
Electrodes
Also
Field
dna field-effect transistor
Transistor
Ion-sensitive
Mosfet
Used
Oxide
Solution
Ph
Electrode
Ion
Electrodes
Also
Field
Connections between topic areas Semantic bridges
Semantic bridges connect parts of the graph that would otherwise be more separate. A bridge is a structural signal in this analysis, not a claim that the two topic areas are equivalent.
For ISFET, one of the stronger structural bridges in this analysis connects ISFET with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
Number of nodes, edges, triples, density and central hubs. Use it to gauge the size and connectivity of the map.
ISFET
Nodes46
Edges45
Triples196
Avg. degree1.96
Density0.043478
Components1
Source & methodology
TTTA analyzes the structure around ISFET to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History, Overview & Practical limitations due to the reference electrode, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
Source: Wikipedia — ISFET · EN edition · Analysis: TopicsToTalkAbout
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