SPEC PerkinElmer 10.13
Logo Image
News|Events|February 21, 2024

Luminescent Coordination Polymers: Novel Materials for Environmental Pollution Detection

Yan’an University researchers publish findings in Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy about three new luminescent coordination polymers that could be used in environmental protection efforts.

Environmental sustainability and protection is a hot topic right now. Preserving the environment requires methods that can detect contaminants effectively. In a recent study published in Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, lead author Mei-Li Zhang and the research team at Yan’an University introduced three new luminescent coordination polymers (LCPs) designed to improve detection of environmental contaminants (1).

The study examined three LCPs. These three LCPs exhibited distinct structures, with LCP 1 and 3 forming in a one-dimensional (1D) structure, whereas LCP 2 takes on a two-dimensional (2D) structure (1). Utilizing phenylenediacetic acid isomers and 1,3,5-tris(1-imidazolyl) benzene (tib), the researchers synthesized these materials, each offering unique properties for pollutant detection (1).

LCP 2 received significant attention because it contained enhanced sensitivity to trace analytes. The reason for this is because LCP 2 had a larger specific surface area compared to LCPs 1 and 3 (1). The detection limits of LCP 2 for various contaminants, such as Fe3+, nitrobenzene (NB), chloramphenicol (CAP), and pyrimethanil (PTH) outperform existing literature values, demonstrating its potential as a highly effective fluorescent probe (1).

Real sample testing further validated the efficacy of LCP 2, showing spiked recoveries for the detection of pyrimethanil in grape skins, with minimal relative standard deviation (RSD) (1).

The fluorescence quenching mechanism observed in these LCPs is attributed to a combination of photoelectron transfer (PET), resonance energy transfer (RET), and competitive absorption (CA), elucidating the intricate processes underlying their sensing capabilities (1).

This article was written with the help of artificial intelligence and has been edited to ensure accuracy and clarity. You can read more about our policy for using AI here.

Reference

(1) Ma, Y.-F.; Liu, X.-L.; Lu, X.-Y.; Zhang, M.-L.; Ren, Y.-X.; Yang, X.-G. Zn-coordination Polymers for Fluorescence Sensing Various Contaminants in Water. Spectrochimica Acta Part A: Mol. Biomol. Spectrosc. 2024, 309, 123803. DOI: 10.1016/j.saa.2023.123812

Related to this article

View more
Infrared Reimagined: How FT-IR Spectroscopy Learned to Read Molecules, © Luis Eduardo -chronicles-stock.adobe.com
Infrared Reimagined: How FT-IR Spectroscopy Learned to Read Molecules, Diagnose Disease, and See Below the Diffraction Limit
FT-IR spectroscopy, long treated as a mature bench technique for confirming a carbonyl stretch or fingerprinting a polymer, has quietly become one of chemistry’s most versatile discovery engines: it now infers molecular structure straight from a spectrum without a reference library, resolves chemistry tens of nanometers wide, and screens a fingerstick of blood for disease in minutes. The last five years of published research show FT-IR moving from a confirmatory tool into a predictive, autonomous, and field-ready analytical platform.
Read more
Brandon E. Boor is the Dr. Margery E. Hoffman Associate Professor in the Lyles School of Civil and Construction Engineering at Purdue University. | Photo Credit: © Brandon Boor.
How to Monitor Indoor Air Quality Effectively
In the second part of our interview with Brandon Boor of Purdue University, he discusses how his team controls experimental variables during cleaning experiments in order to obtain interpretable data.
Read more
Sizing Up the Nanoscale: Measuring Nanocluster Aerosol in Indoor Air
Sizing Up the Nanoscale: Measuring Nanocluster Aerosol in Indoor Air
In the first part of a multi-part Q&A, Brandon Boor, the Dr. Margery E. Hoffman Associate Professor in the Lyles School of Civil and Construction Engineering at Purdue University, describes the instrumentation and methodology behind measuring nanoparticle size distributions at the nanocluster scale (1–3 nm) and outlines the technical challenges of acquiring reliable, real-time data at these dimensions.
Read more
NIR Spectroscopy of the Brain and Other Complex Analyses, ©  Navaporn -chronicles-stock.adobe.com
Light That Thinks: How Near-Infrared Spectroscopy Learned to See Inside Bodies, Bioreactors, and the Biosphere
Near-infrared spectroscopy has quietly stopped being a niche calibration exercise and started acting like an autonomous diagnostic partner, reading consciousness in an injured brain, steering a fermenter without a human hand, and hunting invisible plastic in a glass of water. The tool chemists once used to check moisture in grain is now fusing with artificial intelligence to make decisions no spectrometer could make alone.
Read more