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Latest Posters

An In Silico Test Battery for Rapid Evaluation of Genotoxic and Carcinogenic Potential of Chemicals content piece image
Poster

An In Silico Test Battery for Rapid Evaluation of Genotoxic and Carcinogenic Potential of Chemicals

The FDA guidance for industry states impurities under the ICH threshold may be exaluated for genotoxicity and carcinogenicity. This study uses an expert system to detect mutagens and compounds labeled as potent carcinogens by the FDA.
Ion Chromatography ICP-Q-MS for the Detection of Arsenic Species in Apple Juice content piece image
Poster

Ion Chromatography ICP-Q-MS for the Detection of Arsenic Species in Apple Juice

Interest in the determination of Arsenic species in fruit juices has been triggered by recent media reports in the United States claiming that some apple juices may contain high amounts of Arsenic. Inorganic forms of Arsenic (As3+ and As5+) are highly toxic, whereas the organic forms (e.g. arsenobetaine) are not considered toxic. A robust IC-ICP-MS system was developed and shown to be a highly selective and sensitive technique for determination of trace element species.
Poster

Magnetohydrodynamic Based Circular Liquid Chromatography On Chip

This poster demonstrates cyclic liquid chromatography on chip and shows how this can be used in other closed loop applications.
Optical Microchip Sensors for Multiplexed Detection of Biological Pathogens content piece image
Poster

Optical Microchip Sensors for Multiplexed Detection of Biological Pathogens

SpectroSens, a multi-channel optical microchip sensor system suitable for rapid, label-free multiplexed detection of a wide range of bio-hazardous agents is presented. Optical chips containing multiple high-precision planar Bragg gratings are exploited as low-cost, robust refractive index sensors.
Characterization of Nutrients and Actives in Herbal Supplements and Nutriceuticals Using UHPLC-Multi-Reflecting Time-of-Flight Mass Spectrometry content piece image
Poster

Characterization of Nutrients and Actives in Herbal Supplements and Nutriceuticals Using UHPLC-Multi-Reflecting Time-of-Flight Mass Spectrometry

The qualitative and quantitative analysis of the content of nutritional supplements and alternative medicinal therapies is becoming more important and regulation by the FDA is imminent. High resolution mass spectrometry provides a rapid, selective, and useful mechanism for QC of extracts and finished dosage forms, producing a minable, comprehensive data set.
Analysis of Fruit Commodities by GC-TOFMS and GCxGC-TOFMS Using QuEChERS Approach content piece image
Poster

Analysis of Fruit Commodities by GC-TOFMS and GCxGC-TOFMS Using QuEChERS Approach

The availability of fruit commodities from a wide variety of sources has increased the need for rapid and accurate screening for pesticides in fruit. Not all fruit commodities are brought to market under the strict guidelines of the United States Department of Agriculture. Determining whether or not the Environmental Protection Agency tolerances for various pesticides have been violated is important in the risk assessment for consumers in the United States.
Analysis of Pesticide Residues in JonaGold Apples Using QuEChERS Approach and Comprehensive Two-Dimensional Gas Chromatography Time-of-Flight Mass Spectrometry (GCxGC-TOFMS) content piece image
Poster

Analysis of Pesticide Residues in JonaGold Apples Using QuEChERS Approach and Comprehensive Two-Dimensional Gas Chromatography Time-of-Flight Mass Spectrometry (GCxGC-TOFMS)

Screening and quantitation of pesticide residues in fruits and vegetables is of utmost importance for public health and safety concerns. These commodities can contain hundreds-to-thousands of analytes, making them extremely difficult for the screening and accurate quantitation of pesticide residues.
Qualitative Comparison of Wine Process Samples with UHPLC and Ultra-High Resolution TOFMS content piece image
Poster

Qualitative Comparison of Wine Process Samples with UHPLC and Ultra-High Resolution TOFMS

The evaluation, identification, and quantitation of flavones, antioxidants and related nutrients, biogenic amines, and potential contaminants in wine and other foodstuffs provides valuable information on their nutritional and health values.
Detection and Identification of Dispersants (COREXIT® 9527 and 9500) by GC/MS and LC-MS/MS content piece image
Poster

Detection and Identification of Dispersants (COREXIT® 9527 and 9500) by GC/MS and LC-MS/MS

Dispersants are plasticizers commonly used to prevent clumping and help dissipate oil slicks. In this work, we used GC/MS and LC-MS/ MS to detect and indentify two of the most widely used dispersants (Corexit 9527 and 9500).
Detection of Environmental Contaminants Caused by the Oil Spill in the Gulf of Mexico by GC and HPLC content piece image
Poster

Detection of Environmental Contaminants Caused by the Oil Spill in the Gulf of Mexico by GC and HPLC

In order to help understand the impact that the oil spill has caused, laboratories are looking for rapid and robust analytical procedures to characterize the hydrocarbon contaminants. This work provides SPE, GPC, GC-FID, GC/MS, and HPLC analytical methods for analyzing the most common contaminants that originated from the leak.
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