ResourceSpectroscopy

Trace-level detection of pesticides on apple skin

26 Mar 2020

In this application note, Ocean Insights presents a novel surface-enhanced Raman spectroscopy (SERS) substrate involving gold nanoparticles suspended in water that can be used to help identify four different pesticides: thiram, malathion, acetamiprid and phosmet on apple skin.

Ocean HDX Raman Spectrometer - Compact, Affordable Spectrometer for 785 nm Raman Excitation

Ocean Optics

The Ocean HDX Raman spectrometer is a compact, high-performance spectrometer for 785 nm Raman excitation applications. This small-footprint instrument unlocks Raman signature data from 150 cm-1 to 3400 cm-1, is available with a 25 µm or 50 µm entrance slit, and can be combined with a laser, probe and sample holder to measure solids, powders and liquids. Applications range from authentication of spirits and analysis of cannabinoids, to identification of polymers and characterization

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Raman SpectroscopyRaman spectroscopy is used to discern the vibrational and rotational states of molecules and hence the chemical composition of a sample by measuring the inelastic scattering of monochromatic light. Explore a range of Raman spectrometers, including handheld/portable Raman spectrometers for QC/QA labs and in situ spectrometers for processes. Conduct Raman imaging for microanalysis of mixed samples using a Raman microscope. Raman spectrographs are also available. Find the best Raman spectroscopy products in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Food and Beverage AnalyzersFood and Beverage Analyzers are commonly used to provide information about the chemical composition, structure and physical properties of food materials.Food and Beverage ProcessingFood and Beverage Processing involves the preparation of food products for further analysis. Typical instrumentation includes blanchers, color sorters, cookers, grinders, and refrigeration. These are used to replicate the processes commonly used in the commercial preparation of food and beverages.PesticidesPesticides are used to protect crops from diseases, pests and unwanted plants. They are classed as persistent organic pollutants (POPs) and can be harmful to humans. The Environmental Protection Agency (EPA) currently regulates the use of pesticides in the USA. Food TestingFood testing refers to a variety experiments including PCR, mass spectrometry, processing, QuEChERS, analyzing and Kjeldahl.Food ContaminationFood contamination refers to the presence of harmful substances or pathogens in food, posing risks to human health. Contaminants can be biological, chemical, or physical, and their detection is crucial for ensuring food safety. Advanced testing methods like PCR, chromatography, and spectroscopy are used to identify contaminants in food products. Browse our peer-reviewed product directory to find the best solutions for food contamination detection, compare products, check reviews, and get pricing directly from manufacturers.SpectroscopySpectroscopy is a technique that analyzes the interaction of light with matter to study molecular properties, concentrations, and structural information. Widely used in chemical, pharmaceutical, and environmental analysis, spectroscopy offers insights into molecular composition and helps identify unknown compounds. It plays a key role in quality control, research, and diagnostics. Browse our peer-reviewed product directory to compare spectroscopy tools, read reviews, and get prices directly from manufacturers.
Trace-level detection of pesticides on apple skin