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Intact Protein LC-MS: How to Overcome the Challenges?
Robert van Ling, Evert-Jan Sneekes, Sebastiaan Dolman, Laurent Rieux, Mauro DePra, Christian Ravnsborg, Dafydd Milton, Remco Swart

Purpose: Facilitate intact protein LC-MS without compromising performance.
Methods: Construct prototypes of integrated column and sprayer dedicated for intact protein separations and compare performance.
Results: Three prototypes have been directly compared and all showed good protein separations, each with their unique area of strength.

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The Effects of Dimethylphthalate on the Viability and Development of Drosophila melanogaster
Sara Mfarrej, Dr. Heather Cook, Dr. Donald Stearns, Dr. Zolton Fulop

My research studies the effect of dimethylphthalate (DMP), a putative endocrine disruptor, on the viability and development of the model organism Drosophila melanogaster.

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Cloud Point Extraction of Metal Oxide Nanoparticles in Water Samples Identified by Raman Spectroscopy and Quantified by Atomic Absorption Spectroscopy
Yanxiao Ma, Dr. Andrew F. Callender

Nanoparticles that are widely used in commercial products pose a threat to human health and the environment. This project proposes a cheaper and more effective method to identify and quantify metal oxide nanoparticles in water samples.

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Cloud Point Extraction of Metal Oxide Nanoparticles in Water Samples Identified by Raman Spectroscopy and Quantified by Atomic Absorption Spectroscopy
Yanxiao Ma, Dr. Andrew F. Callender

Nanoparticles that are widely used in commercial products pose a threat to human health and the environment. This project proposes a cheaper and more effective method to identify and quantify metal oxide nanoparticles in water samples.

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New Sorbent from Agro-industrial Waste and its Potential Use in 17ß-Estradiol and 17α-Ethynylestradiol Removal
Suzimara Rovani*, Éder C. Lima, Renato Cataluña, Andreia N. Fernandes

In recent years, the increasing introduction of new chemicals in the market, and the development of more accurate analytical methods, added a variety of endocrine disruptors compounds (EDC). Even though they are found in very low concentrations (range of ng L-1) there is still a lack of knowledge about long-term risks of EDC for non-target organisms as well as for human health.

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Discrimination of Meat Species Using Raman Spectroscopy and PCA
Reyhan Selin Uysala, Tümay Temiza, Ismail Hakki Boyacia,b, Hasan Murat Veliogluc, Ugur Tamerd

Discrimination of meat species and meat products was performed with using Raman spectroscopy and principal component analysis (PCA).

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Accurate Determination of Moisture Content of Soft Contact Lenses by Near-Infrared (NIR) Spectroscopy
Dr. Hari Narayanan, Dr. Keith Freel

NIR spectroscopy was used to determine moisture content in soft contact lenses to and accuracy of 1%. Various sample presentation methods were used and the results were compared.

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Accurate Determination of Moisture Content of Soft Contact Lenses by Near-Infrared (NIR) Spectroscopy
Dr. Hari Narayanan, Dr. Keith Freel

NIR spectroscopy was used to determine moisture content in soft contact lenses to and accuracy of 1%. Various sample presentation methods were used and the results were compared.

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Investigation of Chemical Contaminants in Soils Following Superstorm Sandy
Amy C Mandigo*, Dana J DiScenza*, Alison R Keimowitz†, and Neil Fitzgerald*

Investigation of Chemical Contaminants in Soils Following Superstorm Sandy

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Showing Results 11 - 20 of 34
Scientific News
3-in-1 Spectroscopy System Improves Skin Cancer Detection
The new device may detect cancerous skin lesions early on, leading to better treatment outcomes and ultimately saving lives.
Minuscule Chips for NMR Spectroscopy Promise Portability, Parallelization
Two-by-two-millimeter spectrometer dramatically shrinks footprint for multidimensional analysis of molecules.
NIST Instrument Enables High-speed Chemical Imaging of Tissues
Researchers have demonstrated a dramatically improved technique for analyzing biological cells and tissues based on characteristic molecular vibration "signatures."
New Spectroscopy Technique Provides Unprecedented Look into Photochemical Reactions
Two-dimensional electronic-vibrational spectroscopy can be used to simultaneously monitor electronic and molecular dynamics on a femtosecond time-scale.
X-rays Used to Examine How DNA Protects Itself from UV Light
Scientists have made detailed observations of a “relaxation response” that protects these molecules, and the genetic information they encode, from UV damage.
Using Spectroscopy to Diagnose Skin Cancer
Autofluorescence and diffuse reflectance spectroscopy identify malignant melanoma with 93% accuracy.
Role of Water in Chromosome Spreading and Swelling Induced by Acetic Acid Treatment
Researchers analysed intact lymphocytes before and at each stage of the chromosome preparation protocol by FTIR spectroscopy.
Studying Historic Materials with a Vis-NIR Portable Spectrometer
Analytik have reported how the LabSpec portable spectrometer from PANalytical Boulder is being used in the world of heritage research.
Sneaky Bacteria Change Key Protein’s Shape to Escape Detection
Researchers believe that this deeper understanding could help lead to new treatments for bacterial diseases.
A New Quantum Memory on the Horizon
Sensitive measurements can be used to detect signals from an individual ion in a crystal.
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