Search
Vocabularying
Listening
Reading
1. Academic
2. General
Writing
1. IELTSWriting Checker
2. IELTS Writing Samples
Speaking

Do you want to improve your writing? Try our new evaluation service and get detailed feedback.

Devadhasan et al reported a disposable hydrogel

Devadhasan et al reported a disposable hydrogel jDlX8

Devadhasan et al reported a disposable hydrogel test strip consisting of titanium nanoparticles, PVA hydrogels, and chemical pH-responsive indicators to detect toxic gases such as hydrogen fluoride (HF), chlorine (Cl₂), ammonia (NH₃), and formaldehyde (CH₂O). Colorimetric detection based on color change of dyes, four types of chemically reactive indicators; Bromophenol blue (BPB), green bromocresol (BCG), purple bromocresol (BCP), and red chlorophenol (CPR) were used to acid-base reactions with a detection limit of 1 ppm. Because PVA hydrogels shrink easily and swell in the presence of alkaline or acidic compounds, glutaraldehyde was used as the crosslinking agent in the PVA hydrogel film, because the glutaraldehyde bonding agent prevents the strips from structural changes during the acid/base reaction. This hydrogel sensor array also does not respond to changes in relative humidity because glutaraldehyde is used as a crosslinking agent, it can protect the structure of PVA hydrogel film against 95% moisture without swelling and shrinkage. In addition, TiO₂ NP was used to make the hydrogel film, which improved the opacity of the test strip, which can pass light continuously and uniformly through the hydrogel film. Therefore, TiO₂ mixed PVA hydrogel strips are suitable for detecting toxic gases because they allow the light intensity to be uniform. In addition, they demonstrated the potential of the TiO₂ NPs blended chip to monitor pH-sensitive. In addition, the catalytic effect of TiO₂ causes a rapid reaction and produces a solid color. Test strips are able to absorb moisture without swelling and shrink the structure. Therefore, changes in humidity do not affect the performance of hydrogel test strips, and this array of hydrogel colorimetric sensors can be used for a variety of applications, and this smartphone-based gas detection system will be a convenient and sensitive device in the modern world [351].

Possible spelling mistake found.
Devadhasan
A dot is missing here: "et al."et al.
et al
 reported a disposable hydrogel You use this word too often, consider replacing it withsearchattemptfinalevaluationanalysisstandard
test
You use this word too often, consider replacing it withlayerbarsegmentsectionrodfillet
strip
 consisting of titanium nanoparticles, PVA hydrogels, and chemical pH-responsive indicators to detect toxic gases such as hydrogen fluoride (HF), chlorine (Cl₂), ammonia (NH₃), and formaldehyde (CH₂O). Colorimetric detection based on color You use this word too often, consider replacing it withdevelopmentadvanceadjustmentdiversityshifttransition
change
 of dyes, four types of chemically
 reactive indicators; Possible spelling mistake found.
Bromophenol
 blue (BPB), green Possible spelling mistake found.
bromocresol
 (BCG), purple Possible spelling mistake found.
bromocresol
 (BCP), and red Possible spelling mistake found.chlorophyll
chlorophenol
 (CPR) were This phrase/word (depending on the context) can be potentially replaced with :exploited
used
 to acid-base reactions with a detection limit of 1 ppm. This phrase/word is too simple and can be replaced with:due to the factin light of the fact thatowing to the fact that
Because
 PVA hydrogels shrink easily
 and swell in the presence of alkaline or acidic compounds, Possible spelling mistake found.
glutaraldehyde
 was This phrase/word (depending on the context) can be potentially replaced with :exploited
used
 as the Possible spelling mistake found.cross linkingcross-linking
crosslinking
 agent in the PVA hydrogel film, This phrase/word is too simple and can be replaced with:due to the factin light of the fact thatowing to the fact that
because
 the Possible spelling mistake found.
glutaraldehyde
 bonding agent This phrase/word (depending on the context) can be potentially replaced with :precludes
prevents
 the You use this word too often, consider replacing it withbandbarbeltbitfilletlayer
strips
 from structural You use this word too often, consider replacing it withdevelopmentadvanceadjustmentdiversityshifttransition
changes
 during the acid/base reaction. This hydrogel sensor array also
 does not respond to You use this word too often, consider replacing it withdevelopmentadvanceadjustmentdiversityshifttransition
changes
 in relative humidity This phrase/word is too simple and can be replaced with:due to the factin light of the fact thatowing to the fact that
because
Possible spelling mistake found.
glutaraldehyde
 is This phrase/word (depending on the context) can be potentially replaced with :exploited
used
 as a Possible spelling mistake found.cross linkingcross-linking
crosslinking
 agent, it can protect the structure of PVA hydrogel film against 95% moisture without swelling and shrinkage. In addition
, TiO₂ NP was This phrase/word (depending on the context) can be potentially replaced with :exploited
used
 to This phrase/word (depending on the context) can be potentially replaced with :createconstructmanufactureproduce
make
 the hydrogel film, which This phrase/word (depending on the context) can be potentially replaced with :ameliorated
improved
 the opacity of the You use this word too often, consider replacing it withsearchattemptfinalevaluationanalysisstandard
test
You use this word too often, consider replacing it withlayerbarsegmentsectionrodfillet
strip
, which can pass light continuously
 and uniformly
 through the hydrogel film. Therefore
, TiO₂ mixed PVA hydrogel You use this word too often, consider replacing it withbandbarbeltbitfilletlayer
strips
 are suitable for detecting toxic gases This phrase/word is too simple and can be replaced with:due to the factin light of the fact thatowing to the fact that
because
 they This phrase/word (depending on the context) can be potentially replaced with :authorize
allow
 the light intensity to be uniform. In addition
, they demonstrated the potential of the TiO₂ Possible spelling mistake found.NPSUpsGPSNHSNPNPC
NPs
 blended chip to monitor pH-sensitive. In addition
, the catalytic effect of TiO₂ causes a rapid reaction and produces a solid color. You use this word too often, consider replacing it withsearchattemptfinalevaluationanalysisstandard
Test
You use this word too often, consider replacing it withbandbarbeltbitfilletlayer
strips
 are able to absorb moisture without swelling and shrink the structure. Therefore
, You use this word too often, consider replacing it withdevelopmentadvanceadjustmentdiversityshifttransition
changes
 in humidity do not affect the performance of hydrogel You use this word too often, consider replacing it withsearchattemptfinalevaluationanalysisstandard
test
You use this word too often, consider replacing it withbandbarbeltbitfilletlayer
strips
, and this array of hydrogel colorimetric sensors can be This phrase/word (depending on the context) can be potentially replaced with :exploited
used
 for a variety of applications, and this smartphone-based gas detection system will be a convenient and sensitive device in the modern world [351]. 