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Application Note: UV-Vis Spectroscopy for Characterising the Optical Properties of Gold Nanoparticles

UV-Vis spectroscopy is routinely used in analytical science in part because it is a simple way of studying a sample’s optical properties over the UV and visible regions of the electromagnetic spectrum. Here, we used the DS5 UV-Vis Spectrophotometer to study the unique and interesting effects that occur when gold nanoparticles interact with light. Read to find out more.


Research Highlight: Photoredox borylation or aryldiazonium salts studied with the LP980

Photoredox catalysis is a powerful approach that uses light to unlock new molecular synthesis pathways. Light excites a photosensitiser molecule which transfers an electron to the substrate molecule. The resulting pair of radicals can then recombine or escape their solvent cage to generate reaction products. Understanding the mechanism of the reaction is essential to optimise its conditions and maximise its yield. This is what Dr Troian-Gautier’s team set out to do, using a combination of different reaction schemes and spectroscopic techniques. Find out more.


Application Note: Characterisation of SERRS Nanoparticles Using UV-Vis and Raman Spectroscopy

Surface-enhanced resonance Raman scattering (SERRS) is a technique that offers unparalleled sensitivity and specificity in spectroscopic detection and is promising for many applications in analytical research. In this new Application Note, we use the DS5 UV-Vis Dual Beam Spectrophotometer and RM5 Raman Microscope to demonstrate that the optical response of SERRS nanosensors contains combined SERS and RRS effects.


Application Note: Photoluminescence of Lanthanide-based Optical Probes

Optical probes based on lanthanide complexes are of particular interest in the biomedical field and life sciences due to their unique magnetic and photoluminescent properties. In this application note, an Edinburgh Instruments FS5 Spectrofluorometer is used for a complete characterisation of the lanthanide-based optical probes.


Application Note: High-Resolution Raman & Photoluminescence Imaging of MoS2

In this application note, the transition-metal dichalcogenide molybdenum disuflide (MoS2) is characterised using the RM5 Confocal Microscope with Raman and photoluminescence imaging to characterise its layer-dependent optoelectronic properties.


Application Note: Pesticide Detection on Apple Skin using SERS

Surfaced enhanced Raman scattering (SERS) is a great technique to enhance the Raman scatter from a sample. One application SERS is well suited to is testing for the presence of pesticides on apple skin. This is important for keeping produce safe for consumptions, as well as monitoring the environmental impact of using pesticides.


Technical Note: How to Reduce Fluorescence in Raman Spectroscopy

Raman spectroscopy is a powerful tool for chemical analysis, but it is susceptible to fluorescence interference from the sample that decreases the quality of data. In this latest technical note, we discuss different methods for reducing fluorescence in Raman spectroscopy.


Fluoracle® Software Highlight: SC-41 Plate Reader

This Fluoracle® Software Highlight demonstrates the use of SC-41 Plate Reader sample module with the FS5 Spectrofluorometer. The SC-41 allows automatic spectral and lifetime measurements of multi-well plates to be easily acquired.


Application Note: Multimodal Raman, Photoluminescence & SHG Imaging of CVD Grown WSe2

In this application note, the transition-metal dichalcogenide tungsten diselenide (WSe2) is characterised using the RMS1000 Confocal Microscope with five imaging modalities: reflected brightfield & darkfield, Raman, photoluminescence and second harmonic generation to fully characterise its layer-dependent optoelectronic properties. The multimodal capabilities of the RMS1000 Confocal Microscope make it an ideal imaging platform for studying the optoelectronic properties of transition-metal dichalcogenides.


Technical Note: Ratiometric Analysis with the SC-41 Plate Reader

This Technical Note demonstrates the use of SC-41 Plate Reader sample module with the FS5 Spectrofluorometer. The SC-41 allows automatic measurements of multi-well plates to be easily acquired, in this case the SC-41 was used in combination with the Trend Analysis feature of Fluoracle for ratio analysis.