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Novel Flexible SERS Substrate Enables Highly Sensitive Detection of Thiram Residue in Apple Juice
May 30th 2023Researchers have created a flexible SERS substrate based on Au nanostars and PDMS, enabling highly sensitive detection of thiram residue in apple juice. The innovative substrate offers a reliable method for ensuring food safety by accurately identifying pesticide contaminants.
New Probe's Fluorescent Deactivation Behaviors and Sensing Mechanism Revealed by TD-DFT Study
May 26th 2023Two researchers have investigated the fluorescent deactivation behaviors and sensing mechanism of a novel double target fluorescent probe, shedding light on its characteristics and recognition capabilities for aluminum and magnesium ions.
New Method Enables Precise Determination of Mass-Dependent Tellurium (Te) Isotope Composition
May 26th 2023A double spike analytical method has been developed for precise determination of mass-dependent tellurium (Te) isotope compositions in meteorites and terrestrial materials, enabling insights into sample geochemical characteristics and origins.
New Photoswitchable Cationic Spiropyrans Unveil Promising NIR Fluorescence for Biomedical Imaging
May 26th 2023A research team has developed new photoswitchable cationic spiropyrans that exhibit near-infrared (NIR) fluorescence, opening up exciting possibilities for enhanced biomedical imaging applications. This breakthrough study highlights the potential of these compounds as valuable tools for advancing imaging technologies in the field of biomedicine.
Bessel Beam-LIBS Enables Efficient Classification of Uneven Steel Samples
May 25th 2023A research team has developed a novel approach using Bessel beam-laser induced breakdown spectroscopy (LIBS) for the classification of uneven steel samples, providing rapid and accurate results. The study highlights the potential of Bessel beam-LIBS as a valuable tool for efficient steel analysis, offering significant applications in the steel industry.
Unraveling Structural Changes: Pressure-Dependent Raman Spectroscopy Study of Bi2(MoO4)3 Crystal
May 25th 2023A recent study presents a detailed investigation on the pressure-dependent behavior of a Bi2(MoO4)3 crystal using Raman spectroscopy and lattice dynamic calculations. The study sheds light on the structural transformations and vibrational properties of the crystal under varying pressure conditions, offering valuable insights for material science research.
Advancements in Measuring Europium Isotopic Composition Revealed
May 24th 2023A team of French researchers has developed a high-precision method for measuring the isotopic composition of europium (Eu) using multi-collector inductively coupled plasma mass spectrometry (MC-ICP-MS), shedding details on the isotopic systematics of this element in geological samples.
New Study Challenges Diagnostic Tool for Fluorescence Analysis of Complex Samples
May 23rd 2023A researcher team questions the effectiveness of core consistency as a diagnostic tool in fluorescence analysis of complex samples. This new study suggests the need for alternative methods to accurately determine model complexity in such analyses.
Optimizing SERS DNA Sensors: Impact of Sandwich-Type Construction and Plasmonic Metal Revealed
May 15th 2023Researchers explore the impact of sandwich-type DNA construction and plasmonic metal on the signal generated by surface-enhanced Raman scattering (SERS) DNA sensors, giving insight on optimization strategies for improved detection.