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Ring of Fire

Description: Front cover of the fall 2012 issue of The Hexagon, which features an image of the "ring of fire" that occurred during the annular eclipse on May 20, 2012. The photograph was taken in Brownfield, Texas a few minutes before sunset. The inside cover contains a table of contents, a staff list, an editorial, and details about the cover photograph.
Date: Autumn 2012
Creator: Marshall, James L., 1940- & Marshall, Virginia R.

Changes in Cell Wall Carbohydrate Extractability are Correlated with Reduced Recalcitrance of HCT Downregulated Alfalfa Biomass

Description: Article on changes in cell wall carbohydrate extractability and how these are correlated with reduced recalcitrance of hydroxycinnamoyl transferase (HCT) downregulated alfalfa biomass.
Date: August 2012
Creator: Pattathil, Sivakumar; Saffold, Trina; Gallego-Giraldo, Lina; O'Neill, Malcolm; York, William S.; Dixon, R. A. et al.

An UPLC-ESI-MS/MS Assay Using 6-Aminoquinolyl-N-Hydroxysuccinimidyl Carbamate Derivatization for Targeted Aminio Acid Analysis: Application to Screening of Arabidopsis thaliana Mutants

Description: This article presents a method that enables thirty-eight metabolites (proteinogenic amino acids and related compounds) to be analyzed, with an improved sensitivity of 1 to 5 orders of magnitude compared to existing methods.
Date: July 6, 2012
Creator: Salazar, Carolina; Armenta, Jenny M. & Shulaev, Vladimir

The Gas That Wouldn't Burn

Description: Article describing how Alpha Chi Sigma members were involved with the events described on a pictured Kansas historical marker relating to the discovery of helium in a deposit of natural gas.
Date: Summer 2012
Creator: Marshall, James L., 1940- & Marshall, Virginia R.