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Optical arrays based on chemical dyes

Optical arrays based on chemical dyes m3oWO
Optical arrays based on chemical dyes (nanoporous dyes and pigments) study the chemical reaction of analytes instead of their physical properties. It provides high dimensions for chemical sensing that causes high sensitivity, often (ppb) or even (ppt), and significant discrimination between very similar analytes, and fingerprints of very similar mixtures, in a wide range of analytes in both gaseous and liquid phases. Thus, calorimetric and fluorometric sensor arrays effectively overcome the limitations of traditional array-based sensors that rely solely on physical absorption or nonspecific chemical reactions. Such optical array measurements have shown excellent performance in tracking and identifying a variety of analytes, from hazardous chemicals to energetic explosives, medical biomarkers, and food additives. New sensor technologies must inevitably face the dilemma of trying to create sensors that are increasingly both sensitive and powerful. Obsolete or worn sensors are a specific problem for any sensor array, regardless of the class of sensors, it intends to reuse. For pattern recognition to work, the pattern library must reflect the sensors' responses at the time of immediate use. If the sensor response deviates, libraries can become obsolete very quickly. One way to solve this problem is to use disposable sensors, which therefore cut off the various demands that challenge the development of chemical sensing. Current array-based detectors of a variety of analytical strategies for tracking even subtle changes in physical properties (e. g. , molecular weight, conductivity, surface tension) or chemical reaction (e. g. , Lewis acidity/base, hydrogen bonding, potential Oxidation) have been used. Including the use of conductive polymers and polymer composites, metal oxide semiconductors, quartz crystal microbalances, polymer-coated surface acoustic wave devices, and fluorescent molecular frameworks. Chemical sensors that have existed for odor analysis so far can generally be classified into optical and non-optical types through signal transmission approaches. The classification of these sensors is mainly based on their use of the physical properties of the analytes or the chemical interactions of the analytes. Electrochemical sensors detect signal changes in resistance, for example, from an electric current flowing through electrodes that come into contact with and interact with chemical analytes. Mass sensors measure the difference in mass of the sensor surface when exposed to the analytes. Optical sensors convert changes in electromagnetic waves (for example, UV-vis) into electronic signals [79]. In general, chemical sensors are divided into optical and non-optical.
Optical
You use this word too often, consider replacing it with
arrays
based on
You use this word too often, consider replacing it with
chemical
dyes (
Possible spelling mistake found.
nanoporous
dyes and pigments) study the
You use this word too often, consider replacing it with
chemical
reaction of analytes
instead
of their
You use this word too often, consider replacing it with
physical
properties. It provides high dimensions for
You use this word too often, consider replacing it with
chemical
sensing that causes high sensitivity,
This phrase/word is too simple and can be replaced with:
often
(ppb) or even (
Possible spelling mistake found.
ppt
), and significant discrimination between
This phrase/word is too simple and can be replaced with:
very
similar analytes, and fingerprints of
This phrase/word is too simple and can be replaced with:
very
similar mixtures, in a wide range of analytes in both gaseous and liquid phases.
Thus
,
Possible spelling mistake found.
calorimetric
and
Possible spelling mistake found.
fluorometric
sensor
You use this word too often, consider replacing it with
arrays
effectively
overcome the limitations of traditional array-based sensors that rely
solely
on
You use this word too often, consider replacing it with
physical
absorption or nonspecific
You use this word too often, consider replacing it with
chemical
reactions. Such optical
You use this word too often, consider replacing it with
array
measurements have shown excellent performance in tracking and identifying a variety of analytes, from hazardous
You use this word too often, consider replacing it with
chemicals
to energetic explosives, medical biomarkers, and food additives. New sensor technologies
This phrase/word (depending on the context) can be potentially replaced with :
must
inevitably
face the dilemma of trying to create sensors that are
increasingly
both sensitive and powerful. Obsolete or worn sensors are a specific problem for any sensor
You use this word too often, consider replacing it with
array
, regardless of the
This phrase/word (depending on the context) can be potentially replaced with :
class
of sensors, it intends to reuse. For pattern recognition to work, the pattern library
This phrase/word (depending on the context) can be potentially replaced with :
must
reflect the sensors' responses at the time of immediate
This phrase/word (depending on the context) can be potentially replaced with :
use
. If the sensor response deviates, libraries can become obsolete
This phrase/word is too simple and can be replaced with:
very
quickly
. One way to solve this problem is to
This phrase/word (depending on the context) can be potentially replaced with :
use
disposable sensors, which
therefore
This phrase/word (depending on the context) can be potentially replaced with :
cut
off the various demands that challenge the development of
You use this word too often, consider replacing it with
chemical
sensing.
This phrase/word (depending on the context) can be potentially replaced with :
Current
array-based detectors of a variety of analytical strategies for tracking even subtle
This phrase/word (depending on the context) can be potentially replaced with :
changes
in
You use this word too often, consider replacing it with
physical
properties (
There should be no space here: "e.g.".
e. g.
Loose punctuation mark.
,
molecular weight, conductivity, surface tension) or
You use this word too often, consider replacing it with
chemical
reaction (
There should be no space here: "e.g.".
e. g.
Loose punctuation mark.
,
Lewis acidity/base, hydrogen bonding, potential Oxidation) have been
This phrase/word (depending on the context) can be potentially replaced with :
used
. Including the
This phrase/word (depending on the context) can be potentially replaced with :
use
of conductive polymers and polymer composites, metal oxide semiconductors, quartz crystal microbalances, polymer-coated surface acoustic wave devices, and fluorescent molecular frameworks.
You use this word too often, consider replacing it with
Chemical
sensors that have existed for odor analysis
This phrase/word is too simple and can be replaced with:
so
far can
generally
be classified
into optical and non-optical types through signal transmission approaches. The classification of these sensors is
mainly
based on their
This phrase/word (depending on the context) can be potentially replaced with :
use
of the
You use this word too often, consider replacing it with
physical
properties of the analytes or the
You use this word too often, consider replacing it with
chemical
interactions of the analytes. Electrochemical sensors detect signal
This phrase/word (depending on the context) can be potentially replaced with :
changes
in resistance,
for example
, from an electric
This phrase/word (depending on the context) can be potentially replaced with :
current
flowing through electrodes that
This phrase/word (depending on the context) can be potentially replaced with :
come
into contact with and interact with
You use this word too often, consider replacing it with
chemical
analytes. Mass sensors measure the difference in mass of the sensor surface when exposed to the analytes. Optical sensors convert
This phrase/word (depending on the context) can be potentially replaced with :
changes
in electromagnetic waves (
for example
,
Possible spelling mistake found.
UV-vis
) into electronic signals [79].
In general
,
You use this word too often, consider replacing it with
chemical
sensors
are divided
into optical and non-optical.
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IELTS academic Optical arrays based on chemical dyes

Academic
  American English
1 paragraphs
388 words
5.5
Overall Band Score
Coherence and Cohesion: 5.5
  • Structure your answers in logical paragraphs
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  • Use cohesive linking words accurately and appropriately
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    Vary your linking phrases using synonyms
Lexical Resource: 5.0
  • Try to vary your vocabulary using accurate synonyms
  • Use less common question specific words that accurately convey meaning
  • Check your work for spelling and word formation mistakes
Grammatical Range: 5.5
  • Use a variety of complex and simple sentences
  • Check your writing for errors
Task Achievement: 5.0
  • Answer all parts of the question
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    Present relevant ideas
  • Fully explain these ideas
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    Support ideas with relevant, specific examples
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