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https://www.readbyqxmd.com/read/28544664/to-reproduce-or-work-insect-castes-emerge-from-socially-induced-changes-in-nutrition-related-genes
#1
Amy L Toth
In social species, there is a fundamental trade-off between 'me' and 'we'; that is, should I reproduce, or should I work to help others to reproduce? In this issue of Molecular Ecology, Okada et al. () delve into the evolution and genetic mechanisms of this core question, focusing on social caste formation in insects. The authors take advantage of a unique ant in the genus Diacamma, which has secondarily lost the classic, highly different queens and workers found in many other ants, bees and wasps. Instead, Diacamma ant castes are decided via aggressive dominance interactions among adult females, similar to dominance hierarchies seen in primitively social insects and many social vertebrates...
June 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28529777/crystal-structures-of-titanium-aluminium-and-gallium-complexes-bearing-two-%C3%AE-2-ch3-units
#2
Tim Oswald, Mira Diekmann, Annika Frey, Marc Schmidtmann, Rüdiger Beckhaus
The isotypic crystal structures of two titanocene complexes containing an EMe3 unit (E = Al, Ga; Me = meth-yl) with two μ2-coordinating methyl groups, namely [μ-1(η(5))-(adamantan-1-yl-2κC(1))cycylo-penta-dien-yl]di-μ2-methyl-methyl-2κC-[1(η(5))-penta-methyl-cyclo-penta-dien-yl]aluminiumtitanium(III), [AlTi(CH3)3(C10H15)(C15H18)], and [μ-1(η(5))-(adamantan-1-yl-2κC(1))cycylo-penta-dien-yl]di-μ2-methyl-methyl-2κC-[1(η(5))-penta-methyl-cyclo-penta-dien-yl]galliumtitanium(III), [GaTi(CH3)3(C10H15)(C15H18)], are reported...
May 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28528962/which-brain-networks-related-to-art-perception-are-we-talking-about-comment-on-move-me-astonish-me%C3%A2-delight-my-eyes-and-brain-the-vienna-integrated-model-of-top-down-and-bottom-up-processes-in-art-perception-vimap-and-corresponding-affective-evaluative-and
#3
https://www.readbyqxmd.com/read/28526324/on-viewer-motivation-unit-of-analysis-and-the-vimap-comment-on-move-me-astonish-me-delight-my-eyes-and-brain-the-vienna-integrated-model-of-top-down-and-bottom-up-processes-in-art-perception-vimap-and-corresponding-affective-evaluative-and-neurophysiological
#4
https://www.readbyqxmd.com/read/28516209/foreign-language-effect-and-psychological-distance
#5
Hong Im Shin, Juyoung Kim
Does using a foreign language result in forming different moral decisions than using our mother tongue? Two studies were conducted to investigate whether there is a relationship between foreign language effects (differences between native vs. foreign language conditions) and psychological distance. Study 1 tested four moral dilemmas adapted from Greene et al. (Cognition 107: 1144-1155, 2008). Non-fluent Korean-English bilingual participants (N = 161) indicated decisions regarding four moral dilemmas in either Korean or English languages...
May 17, 2017: Journal of Psycholinguistic Research
https://www.readbyqxmd.com/read/28486525/hypothesis-driven-single-cell-dual-oscillator-mathematical-model-of-circadian-rhythms
#6
Shiju S, K Sriram
Molecular mechanisms responsible for 24 h circadian oscillations, entrainment to external cues, encoding of day length and the time-of-day effects have been well studied experimentally. However, it is still debated from the molecular network point of view whether each cell in suprachiasmatic nuclei harbors two molecular oscillators, where one tracks dawn and the other tracks dusk activities. A single cell dual morning and evening oscillator was proposed by Daan et al., based on the molecular network that has two sets of similar non-redundant per1/cry1 and per2/cry2 circadian genes and each can independently maintain their endogenous oscillations...
2017: PloS One
https://www.readbyqxmd.com/read/28478916/beauty-and-sublime-comment-on-move-me-astonish-me%C3%A2-delight-my-eyes-and-brain-the-vienna-integrated-model-of-top-down-and-bottom-up-processes-in-art-perception-vimap-and-corresponding-affective-evaluative-and-neurophysiological-correlates-by-matthew-pelowski
#7
https://www.readbyqxmd.com/read/28460823/aesthetic-episodes-domains-and-the-mind-comment-on-move-me-astonish-me-delight-my-eyes-and-brain-the-vienna-integrated-model-of-top-down-and-bottom-up-processes-in-art-perception-vimap-and-corresponding-affective-evaluative-and-neurophysiological-correlates
#8
https://www.readbyqxmd.com/read/28431843/on-the-complex-interaction-between-mathematics-and-the-sciences-of-living-systems-comment-on-move-me-astonish-me-delight-my-eyes-and-brain-the-vienna-integrated-model-of-top-down-and-bottom-up-processes-in-art-perception-vimap-and-corresponding-affective-evaluative
#9
https://www.readbyqxmd.com/read/28430272/molecular-rare-earth-metal-alumosilicates
#10
Raúl Huerta-Lavorie, Dana V Báez-Rodríguez, Jessica García-Ríos, Emiliano Martínez-Vollbert, Diego Martínez-Otero, Vojtech Jancik
The synthesis and stabilization of molecular four-coordinated lanthanide alumosilicates was achieved by the use of a highly encumbered alumosilicate ligand LAl(OH·thf)(μ-O)Si(OH)(OtBu)2 (1, L = HC{C(Me)N(2,6-iPr2C6H3)}2). Reactions between 1 and tris-cyclopentadienyl lanthanides (LnCp3; Ln = Ce, Nd, Sm, Gd, Tb, Dy, Y, Er) derived in the isolation of eight compounds (2-9) where the ligand is observed in three different bonding modes: adducts (2, 3), spirocyclic (4) or cyclic (5-9) coordination compounds. The observed reactivity can be related to the ionic radius of the lanthanide atom and the nature of the oxygen donor-atom from the hydroxide (Al-OH) or hydroxyl (Si-OH) moieties in 1...
May 9, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28426839/medical-history-in-the-hellenic-journal-of-nuclear-medicine
#11
EDITORIAL
Andreas Otte
The Hellenic Journal of Nuclear Medicine is about to celebrate its 20th anniversary end of 2017. On board of the editorial team since 2003, this journal has influenced me like a good friend over the many past years. From time to time, the journal has published interesting and valuable historical notes. They show that nuclear medicine has a history and that medicine is its basis. They also teach us today, and some of the ancient perspectives and approaches are still valid. The reader of HJNM may be interested in these historical contributions, as they are timeless...
January 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28418053/a-new-route-for-the-preparation-of-enriched-iso-polylactide-from-rac-lactide-via-a-lewis-acid-catalyzed-ring-opening-of-an-epoxide
#12
Mathew Anker, Choumini Balasanthiran, Vagulejan Balasanthiran, Malcolm H Chisholm, Savithra Jayaraj, Kaleb Mathieu, Parichat Piromjitpong, Siriwan Praban, Balaram Raya, William J Simonsick
Tetraphenylporphyrin aluminum(iii) salts, TPPAlX, where X = Me, OEt, OiPr, OCHMeCH2Cl, and Cl, and bis(triphenylphosphine)imminium chloride, PPN(+)Cl(-) (1 : 1) react with rac-lactide, rac-LA, in neat propylene oxide, PO, to yield chains of enriched isotactic polylactide, PLA, with end groups of PO-Cl and with time these yield cyclic polymers (PO)n(PLA) where n = 2 or 3 and even higher. There is no reaction between TPPAlOR (R = Et or (i)Pr), PPN(+)Cl(-), and rac-LA in neat THF at 25 °C even though TPPAlOR (R = Et or (i)Pr) and PPN(+)Cl(-) in neat PO yields polypropylene oxide with a terminal OR group, H(PO)nOR...
May 9, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28390411/prediction-accuracy-of-intraocular-lens-power-calculation-methods-after-laser-refractive-surgery
#13
Yubo Wu, Songyu Liu, Rongfeng Liao
BACKGROUND: This study aimed to evaluate the prediction accuracy of postoperative refractions using partial coherence interferometry (IOL-Master) and applanation ultrasound (AL-3000) assisted with corneal topography (TMS-4) in eyes that had undergone myopic laser-assisted in situ keratomileusis (LASIK). METHODS: Haigis-L formula, Koch-Maloney method using Haigis formula, Shammas clinically derived K-value (simulated keratometric value) correction (Shammas c.d.) using Haigis formula, and Shammas post-LASIK (Shammas-PL) formula were used in eyes with myopic LASIK...
April 8, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28347458/desferrioxamine-and-desferrioxamine-caffeine-as-carriers-of-aluminum-and-gallium-to-microbes-via-the-trojan-horse-effect
#14
Jesus Antonio Alvarado Huayhuaz, Hector Aguilar Vitorino, Othon Souto Campos, Silvia Helena Pires Serrano, Telma Mary Kaneko, Breno Pannia Espósito
Iron acquisition by bacteria and fungi involves in several cases the promiscuous usage of siderophores. Thus, antibiotic resistance from these microorganisms can be circumvented through a strategy of loading toxic metals into siderophores (Trojan Horse Effect). Desferrioxamine (dfo) and its cell-permeant derivative desferrioxamine-caffeine (dfcaf) were complexed with aluminum or gallium for this purpose. The complexes Me(dfo) and Me(dfcaf) (Me=Al(3+) and Ga(3+)) were synthesized and characterized by mass spectroscopy and cyclic voltammetry...
May 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/28344216/major-bleeding-events-in-jordanian-patients-undergoing-percutaneous-coronary-intervention-pci-incidence-associated-factors-impact-on-prognosis-and-predictability-of-the-crusade-bleeding-risk-score-results-from-the-first-jordanian-pcr-pcr1
#15
Mohamad Jarrah, Ayman Hammoudeh, Osama Okkeh, Yousef Khader, Sahem Gharaibeh, Laith Nasser, Amro Rasheed, Ayed Al-Hindi, Mohammad Mohealdeen, Haneen Kharabsheh, Hanan Abunimeh, Enas Hijjih, Lina Tashman, Delia Omar, Nadeen Kufoof
OBJECTIVE: Determine the incidence of major bleeding events, their risk factors, and their impact on prognosis in Jordanian patients undergoing percutaneous coronary intervention (PCI). Evaluate the ability of the CRUSADE bleeding risk score (BRS) to predict major bleeding. METHODS: Major bleeding events were defined according to the CRUSADE classification and their incidence was evaluated from hospital admission to one year of follow up. The CRUSADE bleeding risk score was calculated for each patient during the index admission...
March 22, 2017: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/28328213/reversible-coordination-of-boron-aluminum-zinc-magnesium-and-calcium-hydrogen-bonds-to-bent-cul2-fragments-heavy-%C3%AF-complexes-of-the-lightest-coinage-metal
#16
Alexandra Hicken, Andrew J P White, Mark R Crimmin
A series of copper(I) complexes bearing electron-deficient β-diketiminate ligands have been prepared. The study includes [{{ArNC(CR3)}2CH}Cu(η(2)-toluene)n] (Ar = Mes, R = F, n = 0.5, [12·tol]; Ar = C6F5, R = Me, n = 1, [2·tol]; Ar = 2,6-Cl2C6H3, R = H, n = 0.5, [32·tol]). Reactions of [1-3n·tol] with boranes, alanes, a zinc hydride, a magnesium hydride, and a calcium hydride generate the corresponding σ complexes ([1-3·B], [3·B'], [3·Al], [3·Al'], [1-3·Zn], [1·Mg], and [1·Ca]). These species all form reversibly, being in equilibrium with the arene solvates in solution...
March 22, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28286644/soldiers-as-subjects-of-medical-research-comments-on-hassidim-et-al-on-ethical-standards-of-the-israel-defense-force
#17
EDITORIAL
Asa Kasher
In 2008 a group of former soldiers of the Israel Defense Force (IDF) sued the Ministry of Defense and others, claiming they had suffered from medical problems that resulted from an IDF medical experiment in which they had participated in the 1970s. There was no compelling medical evidence with respect to causal relationships between their participation in the experiment and their later medical problems. The President of the District Court, Justice Hila Gerstl, appointed me, with the consent of the parties, to write a deposition with respect to the ethical aspects of the case...
2017: Israel Journal of Health Policy Research
https://www.readbyqxmd.com/read/28247498/an-aluminum-fluoride-complex-with-an-appended-ammonium-salt-as-an-exceptionally-active-cooperative-catalyst-for-the-asymmetric-carboxycyanation-of-aldehydes
#18
Daniel Brodbeck, Florian Broghammer, Jan Meisner, Julian Klepp, Delphine Garnier, Wolfgang Frey, Johannes Kästner, René Peters
Al-F bonds are among the most stable σ bonds known, exhibiting an even higher bond energy than Si-F bonds. Despite a stability advantage and a potentially high Lewis acidity of Al-F complexes, they have not been described as structurally defined catalysts for enantioselective reactions. We show that Al-F salen complexes with appended ammonium moieties give exceptional catalytic activity in asymmetric carboxycyanations. In addition to aromatic aldehydes, enal and aliphatic substrates are well accepted. Turnover numbers up to around 10(4) were achieved, whereas with previous catalysts 10(1) -10(2) turnovers were typically attained...
March 1, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28242191/comprehensive-literature-review-of-factors-influencing-medication-safety-in-nursing-homes-using-a-systems-model
#19
REVIEW
Ali Azeez Al-Jumaili, William R Doucette
OBJECTIVES: The objectives of this review were to identify the work system factors influencing medication safety measures [adverse drug events (ADEs), adverse drug reactions, or medication errors (MEs)], to determine the incidence of ADEs, and describe the most common ADEs in nursing homes (NHs). METHODS: A comprehensive literature review was conducted using PubMed and CINAHL to identify studies investigating factors that influence ADEs, adverse drug reactions, and MEs in NHs and skilled nursing facilities...
February 24, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28230869/a-combined-high-temperature-experimental-and-theoretical-kinetic-study-of-the-reaction-of-dimethyl-carbonate-with-oh-radicals
#20
Fethi Khaled, Binod Raj Giri, Milán Szőri, Tam V-T Mai, Lam K Huynh, Aamir Farooq
The reaction kinetics of dimethyl carbonate (DMC) and OH radicals were investigated behind reflected shock waves over the temperature range of 872-1295 K and at pressures near 1.5 atm. Reaction progress was monitored by detecting OH radicals at 306.69 nm using a UV laser absorption technique. The rate coefficients for the reaction of DMC with OH radicals were extracted using a detailed kinetic model developed by Glaude et al. (Proc. Combust. Inst. 2005, 30(1), 1111-1118). The experimental rate coefficients can be expressed in Arrhenius form as: kexpt'l = 5...
February 23, 2017: Physical Chemistry Chemical Physics: PCCP
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