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Journal Highlight: Scavager: A versatile postsearch validation algorithm for shotgun proteomics based on gradient boosting

Date: Jan 23, 2019

Author: spectroscopyNOW

A new postsearch validation tool for database protein identification called Scavager that used CatBoost, an open‐source gradient boosting library, showed improved efficiency compared with the other popular algorithms.

Read More thumbnail image: Journal Highlight Scavager A versatile postsearch validation algorithm for shotgun proteomics based on gradient boosting

Lipidomics and metabolomics: Simultaneous analysis

Date: Jan 21, 2019

Author: Steve Down

A new workflow comprising parallel HILIC and RPLC separations permits simultaneous lipidomics and metabolomics analyses in one LC/MS run without affecting the throughput, providing both compound identification and quantification.

Read More thumbnail image: Lipidomics and metabolomics Simultaneous analysis

Kawasaki disease: Protein biomarker candidates

Date: Jan 17, 2019

Author: Steve Down

The rare but serious condition known as Kawasaki disease, which mainly affects children under the age of five, produces a modified urinary protein profile that could lead to the development of a diagnostic panel of proteins.

Read More thumbnail image: Kawasaki disease Protein biomarker candidates

Journal Highlight: Cancer‐targeting graphene quantum dots: Fluorescence quantum yields, stability, and cell selectivity

Date: Jan 17, 2019

Author: spectroscopyNOW

Ultrastable, highly luminescent graphene quantum dots that selectively target diverse cancer cells have been prepared and tested, opening a new avenue for cancer diagnosis, drug delivery, and therapies.

Read More thumbnail image: Journal Highlight Cancertargeting graphene quantum dots Fluorescence quantum yields stability and cell selectivity

Journal Highlight: Newborn screening for 3‐hydroxy‐3‐methylglutaric aciduria using direct analysis in real‐time mass spectrometry

Date: Jan 16, 2019

Author: spectroscopyNOW

A novel method utilizing ambient thermal desorption ionization with a direct analysis in real‐time source integrated with mass spectrometry (DART-MS) has been established and applied to the rapid analysis of 3‐hydroxy‐3‐methylglutaric acid in neonatal urine.

Read More thumbnail image: Journal Highlight Newborn screening for 3hydroxy3methylglutaric aciduria using direct analysis in realtime mass spectrometry

Mercury analysis: Fishy solution for AAS

Date: Jan 15, 2019

Author: David Bradley

A new solidified floating organic drop microextraction (SFODME) method has been developed by a team from Thailand and the USA that allows them to determine mercury levels in water and fish sample using electrothermal atomic absorption spectrometry.

Read More thumbnail image: Mercury analysis Fishy solution for AAS

Journal Highlight: Study of two large‐dimension Murillo's paintings by means of macro X‐ray fluorescence imaging, point X‐ray fluorescence analysis, and stratigraphic studies

Date: Jan 15, 2019

Author: spectroscopyNOW

Two large‐dimension paintings by Murillo have been studied by macro X‐ray fluorescence scanning, point X‐ray fluorescence and stratigraphic analyses to characterize the different components of the paintings for a clearer understanding of the artist's painting technique and creative process.

Read More thumbnail image: Journal Highlight Study of two largedimension Murillos paintings by means of macro Xray fluorescence imaging point Xray fluorescence analysis and stratigraphic studies

Under pressure: X-rayed receptor

Date: Jan 15, 2019

Author: David Bradley

X-ray crystallography has been used to map the active-state structure of the angiotensin II type 1 receptor, a major target of a range of prescription medicines used to moderate blood pressure and kidney function.

Read More thumbnail image: Under pressure X-rayed receptor

Cheminformatics finds novel pesticides: Analytical targeting

Date: Jan 15, 2019

Author: David Bradley

Cheminformatics is being used by a team from Romania and Japan to help in the search for next-generation insecticides that could be used as successors to the standard neonicotinoids.

Read More thumbnail image: Cheminformatics finds novel pesticides Analytical targeting

Urban mining: NMR helps find the golden key

Date: Jan 15, 2019

Author: David Bradley

An international team has used nuclear magnetic resonance (NMR) spectroscopy and high-resolution mass spectrometry (HRMS) in a study that has led to the proposal of a selective, fast, and convenient thiol-assisted gold leaching process for the urban mining of this precious metals from the electronic equipment waste stream.

Read More thumbnail image: Urban mining NMR helps find the golden key
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