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Kim, Sung Woo,Brandherm, Mike,Freeland, Mike,Newton, Betsy,Cook, Doug,Yoon, Ilkyu Asian Australasian Association of Animal Productio 2008 Animal Bioscience Vol.21 No.7
A total of 335 sows at a commercial operation (Hitch Pork Producers Inc, Guymon, OK) was used to determine dietary effects of yeast culture supplementation ($XPC^{TM}$, Diamond V Mills) on litter performance. Sows were grouped by parity (parity 1 to 12). Pigs within a group were then allotted to treatments. Treatments consisted of: CON (no added yeast culture) and YC (12 and 15 g/d XPC during gestation and lactation, respectively). Sows were housed individually and fed their assigned gestation and lactation diets from d 35 of gestation to d 21 of lactation. Sows were fed 2.0 kg/d during gestation and ad libitum during lactation. Voluntary feed intake was measured daily during lactation. At farrowing, numbers of pigs born total and alive were measured. Weights of litters were measured at birth and weaning on d 21 of lactation. Litter weight gain of the YC treatment was 6.9% greater (p<0.01) than that of the CON. However, voluntary feed intake of sows and litter size did not differ between treatments. This study indicates that dietary yeast culture supplementation benefits sow productivity by improving litter weight gain. At present, it is not confirmed if improved litter weight gain was due to milk production, which remains to be investigated.
Nanocrystal heterostructures of LiCoO<sub>2</sub> with conformal passivating shells
Kwon, Bob Jin,Phillips, Patrick J.,Key, Baris,Dogan, Fulya,Freeland, John W.,Kim, Chunjoong,Klie, Robert F.,Cabana, Jordi The Royal Society of Chemistry 2018 Nanoscale Vol.10 No.15
<P>Stabilization of electrode-electrolyte interfaces is required to increase the energy stored in battery electrodes. Introducing redox-inactive ions on the electrode surface minimizes deleterious side reactions without affecting the bulk properties. A synthetic challenge exists to grow such layers conformally at each primary particle, to fully passivate interfaces that are buried in the final electrode architecture. The development of methods of sequential colloidal growth of complex oxides and overlayers, enabled by surfactant interactions, would provide novel means to advance toward this goal. Here, nanocrystals composed of LiCoO2, a commercially relevant material for high energy devices, were grown with a shell enriched in Al<SUP>3+</SUP>, deposited conformally through a one-pot colloidal synthetic method. The effects of synthetic conditions on the composition of the Al-rich shell and the corresponding electrochemical performance were investigated. The modified nanocrystals showed enhanced electrochemical properties, while maintaining carrier transport.</P>
Kim, Chunjoong,Adil, Abdullah A.,Bayliss, Ryan D.,Kinnibrugh, Tiffany L.,Lapidus, Saul H.,Nolis, Gene M.,Freeland, John W.,Phillips, Patrick J.,Yi, Tanghong,Yoo, Hyun Deog,Kwon, Bob Jin,Yu, Young-Sang American Chemical Society 2018 Chemistry of materials Vol.30 No.5
<P>Oxides undergoing reversible electrochemical cycling of Mg<SUP>2+</SUP> ions would enable novel battery concepts beyond Li<SUP>+</SUP>, capable of storing large amounts of energy. However, materials showing this chemical reactivity are scarce. Suitable candidates require small particles to shorten transport lengths, together with chemically complex structures that promote cation mobility, such as spinel. These goals pose a challenge for materials chemists. Here, nanocrystals of spinel-type Mg<SUB>0.5</SUB>Mn<SUB>2.5</SUB>O<SUB>4</SUB> were prepared using colloidal synthesis, and their electrochemical activity is presented. Cycling in an aqueous Mg<SUP>2+</SUP> electrolyte led to a reversible transformation between a reduced spinel and an oxidized layered framework. This reaction involves large amounts of capacity because of the full oxidation to Mn<SUP>4+</SUP>, through the extraction of both Mg<SUP>2+</SUP> and, in the first cycle, Mn<SUP>2+</SUP> ions. Re-formation of the spinel upon reduction resulted in enrichment with Mg<SUP>2+</SUP>, indicating that its insertion is more favorable than that of Mn<SUP>2+</SUP>. Incorporation of water into the structure was not indispensable for the transformation, as revealed by experiments in non-aqueous electrolytes and infrared spectroscopy. The findings open the door for the use of similar nanocrystals in Mg batteries provided that electrolytes with suitable anodic stability are discovered, thereby identifying novel routes toward electrode materials for batteries with high energy.</P> [FIG OMISSION]</BR>
B→πllForm Factors for New Physics Searches from Lattice QCD
Bailey, Jon A.,Bazavov, A.,Bernard, C.,Bouchard, C. M.,DeTar, C.,Du, Daping,El-Khadra, A. X.,Freeland, E. D.,Gá,miz, E.,Gottlieb, Steven,Heller, U. M.,Kronfeld, A. S.,Laiho, J.,Levkova, L.,Liu, American Physical Society 2015 Physical Review Letters Vol.115 No.15
X-ray Irradiation Induced Reversible Resistance Change in Pt/TiO<sub>2</sub>/Pt Cells
Chang, Seo Hyoung,Kim, Jungho,Phatak, Charudatta,D’Aquila, Kenneth,Kim, Seong Keun,Kim, Jiyoon,Song, Seul Ji,Hwang, Cheol Seong,Eastman, Jeffrey A.,Freeland, John W.,Hong, Seungbum American Chemical Society 2014 ACS NANO Vol.8 No.2
<P>The interaction between X-rays and matter is an intriguing topic for both fundamental science and possible applications. In particular, synchrotron-based brilliant X-ray beams have been used as a powerful diagnostic tool to unveil nanoscale phenomena in functional materials. However, it has not been widely investigated how functional materials respond to the brilliant X-rays. Here, we report the X-ray-induced reversible resistance change in 40-nm-thick TiO<SUB>2</SUB> films sandwiched by Pt top and bottom electrodes, and propose the physical mechanism behind the emergent phenomenon. Our findings indicate that there exists a photovoltaic-like effect, which modulates the resistance reversibly by a few orders of magnitude, depending on the intensity of impinging X-rays. We found that this effect, combined with the X-ray irradiation induced phase transition confirmed by transmission electron microscopy, triggers a nonvolatile reversible resistance change. Understanding X-ray-controlled reversible resistance changes can provide possibilities to control initial resistance states of functional materials, which could be useful for future information and energy storage devices.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/ancac3/2014/ancac3.2014.8.issue-2/nn405867p/production/images/medium/nn-2013-05867p_0007.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/nn405867p'>ACS Electronic Supporting Info</A></P>
B→Dℓνform factors at nonzero recoil and|Vcb|from2+1-flavor lattice QCD
Bailey, Jon A.,Bazavov, A.,Bernard, C.,Bouchard, C. M.,DeTar, C.,Du, Daping,El-Khadra, A. X.,Foley, J.,Freeland, E. D.,Gá,miz, E.,Gottlieb, Steven,Heller, U. M.,Komijani, J.,Kronfeld, A. S.,Laih American Physical Society 2015 PHYSICAL REVIEW D - Vol.92 No.3
Update of|Vcb|from theB¯→D*ℓν¯form factor at zero recoil with three-flavor lattice QCD
Bailey, Jon A.,Bazavov, A.,Bernard, C.,Bouchard, C. M.,DeTar, C.,Du, Daping,El-Khadra, A. X.,Foley, J.,Freeland, E. D.,Gá,miz, E.,Gottlieb, Steven,Heller, U. M.,Kronfeld, A. S.,Laiho, J.,Levkova American Physical Society 2014 PHYSICAL REVIEW D - Vol.89 No.11
B→Kl+l−decay form factors from three-flavor lattice QCD
Bailey, Jon A.,Bazavov, A.,Bernard, C.,Bouchard, C. M.,DeTar, C.,Du, Daping,El-Khadra, A. X.,Foley, J.,Freeland, E. D.,Gá,miz, E.,Gottlieb, Steven,Heller, U. M.,Jain, R. D.,Komijani, J.,Kronfeld American Physical Society 2016 Physical Review D Vol.93 No.2
<P>We compute the form factors for the B --> Kl(+)l(-) semileptonic decay process in lattice QCD using gauge-field ensembles with 2 + 1 flavors of sea quark, generated by the MILC Collaboration. The ensembles span lattice spacings from 0.12 to 0.045 fm and have multiple sea-quark masses to help control the chiral extrapolation. The asqtad improved staggered action is used for the light valence and sea quarks, and the clover action with the Fermilab interpretation is used for the heavy b quark. We present results for the form factors f(+)(q(2)), f(0)(q2), and f(T)(q2), where q(2) is the momentum transfer, together with a comprehensive examination of systematic errors. Lattice QCD determines the form factors for a limited range of q(2), and we use the model-independent z expansion to cover the whole kinematically allowed range. We present our final form-factor results as coefficients of the z expansion and the correlations between them, where the errors on the coefficients include statistical and all systematic uncertainties. We use this complete description of the form factors to test QCD predictions of the form factors at high and low q(2).</P>