• Seedling competition between native cottonwood and exotic saltcedar: implications for restoration 

  Bhattacharjee, Joydeep; Taylor, John P. Jr.; Smith, Loren M.; Haukos, David A. (TTU) (2009)

  Altered hydrology of southwestern United States rivers has led to a decline in native cottonwood (Populus deltoides). Areas historically dominated by cottonwood have been replaced by invasive saltcedar (Tamarix chinensis). ...

• Normalizing and Converting Image DC Data Using Scatter Plot Matching 

  Maas, Stephan J. (TTU); Rajan, Nithya (2010)

  Remote sensing image data from sources such as Landsat or airborne multispectral digital cameras are typically in the form of digital count (DC) values. To compare images acquired by the same sensor system on different ...

• Using Spatial Structure Analysis of Hyperspectral Imaging Data and Fourier Transformed Infrared Analysis to Determine Bioactivity of Surface Pesticide Treatment 

  Nansen, Christian (TTU); Abidi, Noureddine (TTU); Sidumo, Amelia Jorge (TTU); Gharalari, Ali Hosseini (2010)

  Many food products are subjected to quality control analyses for detection of surface residue/contaminants, and there is a trend of requiring more and more documentation and reporting by farmers regarding their use of ...

• Metal ion complexation in acetonitrile by upper-rim benzyl-substituted, di-ionized calix[4]arenes bearing two dansyl fluorophores 

  Ocak, Űmmühan; Ocak, Miraç; Shen, Xin (TTU); Gorman, Alexander H. (TTU); Surowiec, Kazimierz (TTU); Bartsch, Richard A. (TTU) (2010)

  The influence of Li+ , Na+ , K+ , Rb+ , Cs+ , Mg2+, Ca2+, Sr2+, Ba2+, Ag+ , Cd2+, Co2+, Fe2+, Hg2+ , Mn2+, Pb2+, Zn2+ and Fe3+ on the spectroscopic properties of two dansyl (1- dimethylaminonaphthalene-5-sulfonyl) ...

• Sterically congested, geminal aryl-substituted, proton-ionizable sym-dibenzo-16-crown-5 lariat ethers: synthesis and alkali metal cation extraction 

  Tu, Chuqiao (TTU); Jang, Youngchan (TTU); Bates, Carrie L. (TTU); Gega, Jerzy (TTU); Surowiec, Kazimierz (TTU); Bartsch, Richard A. (TTU) (2010)

  Three series of proton-ionizable sym-dibenzo-16-crown-5 ethers with sterically demanding 1- naphthyl, 2-naphthyl, and 9-phenanthryl geminal groups are synthesized and characterized. Variation of the proton-ionizable group ...

• Synthesis, structure and metal ion binding of di-(1,8-naphtho)-16-crown-4 compounds 

  Torun, Lokman (TTU); Mueller, Peter; Cao, Xiaodan (TTU); Bartsch, Richard A. (TTU) (2010)

  The syntheses of two di(1,8-naphtho)-16-crown-4 compounds are described. In the X-ray structure of di(1,8-naphtho)-16-crown-4, the compound crystallizes in the orthorhombic space group Pna21 with four molecules per ...

• Effect of Na+ on solvent extraction of alkaline earth metal cations by proton-ionizable calix[4]arenes 

  Talanova, Galina G.; Talanov, Vladimir S.; Surowiec, Kazimierz (TTU); Bartsch, Richard A. (TTU) (2010)

  Metal ion recognition by proton-ionizable calixarenes is often affected by interference from the Na+ present in many aqueous solutions. To assess the Na+ -effect on calixarene selectivity towards alkaline earth metal ...

• Spectroscopic investigations of molecular association of cyclophanes with anthracene 

  Smith, Kamia K.; Iwunze, Amanda V.; Burke, Kathryn A.; Son, Pillhun (TTU); Buthelezi, M. Thandi (2010)

  We report an improved synthesis method for the production of cyclophanes 5, 6, and 7 in higher yields of 71, 98, and 99%, respectively, compared to the previously reported 40, 30, and 70% yields, respectively. Cyclophanes ...

• Tri-ionizable calix[4]arene ligands: synthesis and lanthanide ion complexation 

  Fernandez, Fernando A.; Bartsch, Richard A. (TTU); Arnaud-Neu, Françoise; Hubscher-Bruder, Véronique; Michel, Sylvie (2010)

  New proton-ionizable p-tert-butylcalix-4-arene ligands with three N-(X)sulfonyl oxyacetamide groups and one methoxy group on the lower rim capable of forming electroneutral complexes with trivalent lanthanide ions are ...

• Design of benzo-15-crown-5 azoprobe/γ-cyclodextrin complexes for alkali metal ion recognition in water 

  Hayashita, Takashi; Fujita, Dai; Hashimoto, Takeshi; Endo, Akira; Zhao, Hui (TTU); Odagiri, Kayo; Takahashi, Shu; Mohamad, Murad M.; Teramae, Norio (2010)

  Novel photosignal transduction systems of benzo-15-crown-5 (B15C5) azoprobe/γ-cyclodextrin (γ-CyD) complexes were designed. Four B15C5 azoprobes were synthesized by azo coupling of 4’-aminobenzo-15-crown-5 with phenol ...

• Polybenzocrown ethers: synthesis by cesium-assisted cyclization and solid-state structures 

  Hanes, Robert E. Jr.; Ellingsworth, Edward C.; Griffin, Scott T.; Rogers, Robin D.; Bartsch, Richard A. (TTU) (2010)

  A series of large-ring polybenzocrown ethers is prepared by cesium-assisted cyclizations. Reactions of diphenols/bisphenols, dimesylates of oligoethylene glycols and cesium carbonate in MeCN produce the large-ring ...

• Preparation of benzo- and polybenzocrown ethers by macrocyclization reactions 

  Hanes, Robert E. Jr.; Lee, Jong Chan (TTU); Ivy, Sheryl N. (TTU); Palka, Anna (TTU); Bartsch, Richard A. (TTU) (2010)

  Macrocyclization of crown ethers and their methods of preparation were explored. We present a robust, scalable method for the preparation of these macrocycles. Additionally, the effect of changing the structures of the ...

• THE EXPLORATION OF FAMILY MEMBER STATE ADULT ATTACHMENT AND NEUROLOGIAL ACTIVATION WHEN VIEWING IMAGES OF AN AUD LOVED ONE: AN FMRI STUDY 

  Zielinski, Mazie; 0000-0003-0743-244X (2022-05-06)

  Alcohol Use Disorder (AUD) has negative impacts on family member relational dynamics and attachment. Increased stress and fear imposed on family members creates emotional distress resulting in unmet attachment needs, ...

• Synthesis of Pharmaceutical Co-crystals and Functionalized Polymers for Micropollutant Remediation 

  Zheng, Qixuan; 0000-0002-8763-2726 (2022-03-24)

  Crystal engineering, as a rapidly growing and developing research field, aims at design and synthesis of new solids with desired physical and chemical properties via reliable intermolecular interactions such as hydrogen ...

• Effects of rumen-protected lysine supplement on growth and carcass traits in a traditional finishing scheme with crossbred beef steers. 

  Young, James D; 0000-0002-9681-7124 (2022-02-09)

  Abstract The effects of rumen protected amino acids on feedlot performance and carcass characteristics are inconsistent in the literature. Therefore, the purpose of this experiment was to study the effects of rumen-protected ...

• Raman spectroscopy of bulk and thin layers of van der Waals magnet CrI3 

  Ye, Zhipeng (2022-03-31)

  Van der Waals (VDW, 2D) magnets have drawn a lot of attention because of their exotic fundamental properties and significant potential applications in spintronic devices and data storage. Among various family members of ...

• Modeling the Theory of Planned Behavior of California Secondary Science Teachers Implementing the Next Generation Science Standards During the COVID-19 Pandemic: A Mixed Methods Study 

  Wygant, Heather A; 0000-0002-4809-9877 (2022-04-19)

  The Next Generation Science Standards (NGSS) as the centerpiece of the current research-based national science educational reform, were adopted with minor alterations by the California State Board of Education (SBE) in ...

• Conceptual Design of a Reconfigureable Multi-Flight Regime Unmanned Combat Aerial Vehicle 

  Wilt, Mitchell (2022-04-19)

  The reconfiguration design framework applied to a high-speed unmanned combat aerial vehicle (UCAV) enables a single platform to perform across a wide flight regime with large differences in cruise conditions (Mach 0.5 – ...

• Effects of Audio Quality on Retention and Viewer Perception in Online Educational Video 

  Wilkinson, Ian S; 0000-0003-1676-2475 (2022-04-06)

  Several studies have found that noise in learning environments increases cognitive load and reduces a student’s ability to absorb, retain, and develop understanding of the content being taught. Although much work has been ...

• Addressing the Deficit Mindset of Rural Educators: An Action Research Study of a Rural High School's Implemenation of Culturally Responsive Pedagogical Procedures 

  Vanderpool, Stephen H (2022-03-11)

  When educators speak of deficit mindset they often speak to the conscious and subconscious thoughts that individuals may exhibit within the classroom that affects classroom instruction. The methods chosen to alter these ...

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