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<i>Ab initio</i> no-core solutions for <sup>6</sup>Li
Shin, Ik Jae,Kim, Youngman,Maris, Pieter,Vary, James P,Forssé,n, Christian,Rotureau, Jimmy,Michel, Nicolas IOP 2017 Journal of physics G, Nuclear and particle physics Vol.44 No.7
<P>We solve for properties of <SUP>6</SUP>Li in the <I>ab initio</I> no-core full configuration (NCFC) approach and we separately solve for its ground state and <img ALIGN='MIDDLE' ALT='${J}^{\pi }={2}_{2}^{+}$' SRC='http://ej.iop.org/images/0954-3899/44/7/075103/jpgaa6cb7ieqn1.gif'/> resonance with the Gamow shell model (GSM) in the Berggren basis. We employ both the JISP16 and chiral <img ALIGN='MIDDLE' ALT='${\mathrm{NNLO}}_{\mathrm{opt}}$' SRC='http://ej.iop.org/images/0954-3899/44/7/075103/jpgaa6cb7ieqn2.gif'/> realistic nucleon–nucleon interactions and investigate the ground state energy, excitation energies, point proton root mean square (rms) radius and a suite of electroweak observables. We also extend and test methods to extrapolate the ground state energy, point proton rms radius, and electric quadrupole moment. We attain improved estimates of these observables in the NCFC approach by using basis spaces up through <img ALIGN='MIDDLE' ALT='${N}_{\max }=18$' SRC='http://ej.iop.org/images/0954-3899/44/7/075103/jpgaa6cb7ieqn3.gif'/> that enable more definitive comparisons with experiment. Using the density matrix renormalization group approach with the JISP16 interaction, we find that we can significantly improve the convergence of the GSM treatment of the <SUP>6</SUP>Li ground state and <img ALIGN='MIDDLE' ALT='${J}^{\pi }={2}_{2}^{+}$' SRC='http://ej.iop.org/images/0954-3899/44/7/075103/jpgaa6cb7ieqn4.gif'/> resonance by adopting a natural orbital single-particle basis.</P>
N3LO NN interaction adjusted to light nuclei in ab exitu approach
Shirokov, A.M.,Shin, I.J.,Kim, Y.,Sosonkina, M.,Maris, P.,Vary, J.P. Elsevier 2016 Physics letters: B Vol.761 No.-
We use phase-equivalent transformations to adjust off-shell properties of similarity renormalization group evolved chiral effective field theory NN interaction (Idaho N3LO) to fit selected binding energies and spectra of light nuclei in an ab exitu approach. We then test the transformed interaction on a set of additional observables in light nuclei to verify that it provides reasonable descriptions of these observables with an apparent reduced need for three- and many-nucleon interactions.
Vaccinium Extracts as Modulators in Experimental Type 1 Diabetes
Ruxandra Sxtefanescu (Braic),Camil Vari,Silvia Imre,Adina Hutxanu,Erzsebet Fogarasi,Timea Todea,Alexandra Grosxan,Sigrid Esxianu,Eszter Laczko-Zold,Maria Dogaru 한국식품영양과학회 2018 Journal of medicinal food Vol.21 No.11
Antihyperglycemic effects of four extracts obtained from leaves and fruits of Vaccinium myrtillus and Vaccinium corymbosum were assessed in diabetic rats. In addition, the effects of extracts on diabetic-related complications such as the development of diabetic cataract and oxidative stress were evaluated. Type 1 diabetes was induced with a single dose of streptozotocin in Wistar rats. The rats were randomly divided into seven equal groups: NC—normal control, DC—diabetic control, PC—positive control treated with metformin, VML—received V. myrtillus leaf extract, VMLF—received VML and fruit extract, VCL—received V. corymbosum leaf extract, and VCLF—received VCL and fruit extract. Body weight and glucose levels were monitored every second week. After 8 weeks of treatment, serum glucose, insulin, and malondialdehyde were measured. Lenses were removed after sacrifice and eight lenses from each group were randomly selected for evaluation of cataract development. A decrease in body weight was observed in all diabetic groups in the first weeks. In the VML group, no significant decrease was observed. Glucose levels during the experiment were high in DC, PC, and VCL groups, with no improvement during the 8 weeks. In VML, VMLF, and VCLF groups, a decrease in blood glucose levels was observed. Similar results regarding serum insulin and glucose levels at the end of the experiment were observed within groups. V. myrtillus extracts prevented the development of cataract compared with the DC group (P < .05).