Engineered PEG–PCL nanoparticles enable sensitive and selective detection of sodium dodecyl sulfate: a qualitative and quantitative analysis

Soni Prajapati and Ranjana Singh

Beilstein J. Nanotechnol. 2025, 16, 385–396. https://doi.org/10.3762/bjnano.16.29

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Soni Prajapati and Ranjana Singh

Beilstein J. Nanotechnol. 2025, 16, 385–396. https://doi.org/10.3762/bjnano.16.29

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Prajapati, S.; Singh, R. Beilstein J. Nanotechnol. 2025, 16, 385–396. doi:10.3762/bjnano.16.29

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TY  - JOUR
A1  - Prajapati, Soni
A1  - Singh, Ranjana
T1  - Engineered PEG–PCL nanoparticles enable sensitive and selective detection of sodium dodecyl sulfate: a qualitative and quantitative analysis
JF  - Beilstein Journal of Nanotechnology
PY  - 2025///
VL  - 16
SP  - 385
EP  - 396
SN  - 2190-4286
DO  - 10.3762/bjnano.16.29
PB  - Beilstein-Institut
JA  - Beilstein J. Nanotechnol.
UR  - https://doi.org/10.3762/bjnano.16.29
KW  - Bradford reagent
KW  - environmental monitoring
KW  - PEG–PCL nanoparticles
KW  - SDS
KW  - SDS detection
N2  - Sodium dodecyl sulfate (SDS) is a widely used anionic surfactant in laboratory, household, and industrial applications, which ultimately enters the environment through various pathways. This has led to significant concerns regarding developing rapid onsite qualitative and quantitative methods for estimating SDS in aqueous solutions. Although a range of high-throughput techniques is currently utilized for SDS quantification, these methods are often expensive, labor-intensive, and require specialized technical expertise. This study developed a novel colorimetric method for the selective and sensitive detection of SDS, utilizing polyethylene glycol-polycaprolactone nanoparticles (PEG–PCL NPs) synthesized via a ring-opening polymerization approach. The synthesized nanoparticles exhibited a distinct colorimetric response to SDS when combined with the Bradford reagent, which acted as a linker molecule. Interference studies demonstrated the high selectivity of the method, even in the presence of various heavy metals and other surfactants. The method showed excellent linearity over a concentration range of 0–200 μg/mL, with a correlation coefficient (R2) of 0.98. The limits of detection and quantification for the proposed method were determined to be 26.14 μg/mL and 79.23 μg/mL, respectively. These findings indicate that the newly developed method offers high selectivity and sensitivity for SDS detection, making it a promising analytical tool for rapid and onsite estimation.
ER  -

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aromatic	the word “aromatic”
aromatic aldehyde	the word “aromatic” OR “aldehyde”
+aromatic +aldehyde	both words “aromatic” AND “aldehyde”
+aromatic -aldehyde	the word “aromatic” but NOT “aldehyde”
“aromatic aldehyde”	the exact phrase “aromatic aldehyde”
benz*	words which begin with “benz”, such as “benzene” or “benzyl”
benz*yl	words that begin with “benz” and end with “yl”, such as “benzyl” or “benzoyl”
benzyl~	words that are close to the word “benzyl”, such as “benzoyl” (i.e., fuzzy search)