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https://www.readbyqxmd.com/read/28742345/syntheses-structures-and-comparisons-of-heterometallic-uranyl-iodobenzoates-with-monovalent-cations
#1
Mark Kalaj, Korey P Carter, Anton V Savchenkov, Mikaela M Pyrch, Christopher L Cahill
The syntheses and crystal structures of six new heterometallic compounds containing the UO2(2+) cation, o-, m-, and p-iodobenzoic acid ligands, and Tl(+), Rb(+), and Cs(+) cations which adopt the role of both charge balancing cation and secondary metal center are described, as are the luminescent properties for Tl(+) containing compounds 1, 4, and 6. The structures of compounds 1-3 are isomorphous and contain uranyl monomers bound by o-iodobenzoic acid ligands with Tl(+), Rb(+), and Cs(+) cations acting as secondary metal centers...
July 25, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28735528/lipids-evergreen-autofluorescent-biomarkers-for-the-liver-functional-profiling
#2
Anna Cleta Croce, Giovanni Bottiroli
Depending on their chemical nature, lipids can be classified in two main categories: hydrophilic, greatly contributing to membrane composition and subcellular organelle compartmentalization, and hydrophobic, mostly triglycerides, greatly enrolled in the storage and production of energy. In both cases, some lipid molecules can be involved as signaling agents in the regulation of metabolism and protective or damaging pathways in responses to harmful stimuli. These events could affect in particular the liver, because of its central role in the maintenance of lipid homeostasis...
June 1, 2017: European Journal of Histochemistry: EJH
https://www.readbyqxmd.com/read/28727030/apparent-and-true-ileal-and-total-tract-digestibility-of-fat-in-canola-press-cake-or-canola-oil-and-effects-of-increasing-dietary-fat-on-amino-acid-and-energy-digestibility-in-growing-pigs
#3
X Zhou, E Beltranena, R T Zijlstra
Digestibility of remaining oil in canola press-cake (CPC) may be lower than that of extracted, liquid canola oil (CO) because oil may be partly entrapped in the CPC matrix. To determine true digestibility of fat in ingredients, endogenous fat losses should be estimated. Dietary fat may interact with digestion of other dietary components. To test these hypotheses, 10 ileal-cannulated pigs (initial BW, 25.4 kg) were fed 10 diets for 8 periods in a 10 × 8 Youden square. A basal diet was formulated based on wheat, barley, and canola meal...
June 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28724855/decreased-fatty-acid-%C3%AE-oxidation-is-the-main-cause-of-fatty-liver-induced-by-polyunsaturated-fatty-acid-deficiency-in-mice
#4
Takero Nakajima, Yang Yang, Yu Lu, Yuji Kamijo, Yosuke Yamada, Kozo Nakamura, Masahiro Koyama, Shohei Yamaguchi, Eiko Sugiyama, Naoki Tanaka, Toshifumi Aoyama
Insufficient intake of polyunsaturated fatty acids (PUFA) causes fatty liver. The mechanism responsible is primarily related to increased lipogenesis and decreased FA degradation based on rodent studies. However, these studies were limited by the fact that the typical PUFA-deficient diets contained insufficient amounts of long-chain FA, the PUFA-containing diets were primarily composed of n-3 PUFA-enriched oil, and the intake of PUFA was excessive compared with the physiological requirement. To address these issues, mice were fed a PUFA-deficient diet containing long-chain FA at a standard fed level and then were orally fed a n-3/n-6-balanced PUFA-containing oil [PUFA (+)] or a PUFA-deficient oil [PUFA (-)] at physiological relevant levels (0...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28724475/blood-profile-and-meat-quality-of-holstein-friesian-steers-finished-on-total-mixed-ration-or-flaxseed-oil-supplemented-pellet-mixed-with-reed-canary-grass-haylage
#5
D T Utama, S G Lee, K H Baek, W S Chung, I A Chung, D I Kim, G Y Kim, S K Lee
Holstein-Friesian steer beef production is renowned globally as a secondary product of the milk industry. Grass feeding is a common practice in raising Holstein steers because of its low cost. Furthermore, grass feeding is an alternative way to produce beef with a balanced n-6 to n-3 fatty acids (FAs) ratio. However, the performance and meat quality of Holstein-Friesian cattle is more likely to depend on a high-quality diet. The aim of this study was to observe whether feeding two mixed diets; a corn-based total mixed ration (TMR) with winter ryegrass (Lolium perenne) or flaxseed oil-supplemented pellets with reed canary grass haylage (n-3 mix) provided benefits on carcass weight, meat quality and FA composition compared with cattle fed with reed canary grass (Phalaris arundinacea) haylage alone...
July 20, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28722515/construction-of-a-plga-based-targeted-sirna-delivery-system-for-treatment-of-osteoporosis
#6
Deniz Sezlev Bilecen, Jose Carlos Rodriguez-Cabello, Hasan Uludag, Vasif Hasirci
Osteoporosis is a systemic skeletal disorder which occurs when the bone turnover balance is disrupted. With the identification of the genes involved in the pathogenesis of the disease, studies on development of new osteoporosis treatments has intensified. RNA interference (RNAi) mechanism uses short interfering RNA (siRNA) to knockdown disease related gene expression as a treatment approach. Targeting while protecting siRNA against hydrolysis by nucleases in vivo is, however, challenging. The maintenance of therapeutic plasma level is also hampered by the clearance of siRNA from the body...
July 19, 2017: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/28722461/-disorders-of-water-and-electrolyte-metabolism-and-changes-in-acid-base-balance-in-patients-with-ascitic-liver-cirrhosis
#7
Halima Gottfriedová, Miroslava Horáčková, Milena Čáslavská, Julius Špičák, Otto Schück
In patients with advanced cirrhosis with ascites disorders of water and electrolyte metabolism are often present and they are associated with changes in acid-base balance. These changes can be very complicated, their diagnosis and treatment difficult. Dilutional hyponatremia is the most common disorder. Hyponatremia in these patients is associated with increased morbidity and mortality before and after liver transplantation. Other common disorders include hyperchloremic acidosis, hypokalemia, metabolic alkalosis, lactic acidosis, respiratory alkalosis...
2017: Casopís Lékar̆ů C̆eských
https://www.readbyqxmd.com/read/28721476/post-prandial-physiology-and-intestinal-morphology-of-the-pacific-hagfish-eptatretus-stoutii
#8
Alyssa M Weinrauch, Alexander M Clifford, Greg G Goss
Hagfishes are unique to the vertebrate lineage in that they acquire dissolved nutrients across multiple epithelia including the intestine, gill, and skin. This feat has been attributed to their immersive feeding behavior that likely simultaneously provides benefits (nutrient rich) and potentially adverse (hypercapnia, hypoxia, high environmental ammonia) physiological effects. Examinations have been conducted of the ex vivo transport capabilities of specific nutrients as well as in vivo effects of the hypothesized feeding environments, yet the physiological effects of feeding itself have never been elucidated...
July 18, 2017: Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology
https://www.readbyqxmd.com/read/28717313/study-of-morphology-chemical-and-amino-acid-composition-of-red-deer-meat
#9
Eleonora Okuskhanova, Bahytkul Assenova, Maksim Rebezov, Kumarbek Amirkhanov, Zhanibek Yessimbekov, Farida Smolnikova, Almagul Nurgazezova, Gulnur Nurymkhan, Marilyne Stuart
AIM: The aim of this study was to evaluate red deer (maral) meat quality based on chemical composition, pH, water-binding capacity (WBC), and amino acid content. MATERIALS AND METHODS: Maral meat surface morphology measurements were obtained by scanning electron microscopy. Active acidity (pH) was determined by potentiometry. Samples were analyzed for WBC by exudation of moisture to a filter paper by the application of pressure. Chemical composition (moisture, protein, fat, and ash fractions) was obtained by drying at 150°C and by extraction, using ethylic ether, and ashing at 500-600°C...
June 2017: Veterinary World
https://www.readbyqxmd.com/read/28716355/study-of-relative-response-factors-and-mass-balance-in-forced-degradation-studies-with-liquid-chromatography-photo-diode-array-detector-evaporative-light-scattering-detector-mass-spectrometry-system
#10
Paula Hong, Aaron D Phoebe, Michael D Jones
A case study was performed using photodiode array detection (PDA) in combination with evaporative light scattering (ELS) detection and mass spectrometry (MS) to assess both mass balance and the relative response factors (RRFs) in the forced degradation studies of the drug substance, glimepiride. The RRF value, which is the ratio of the response factor of the impurity to that of the API, was first determined using calibration curves of standards. This conventional technique was compared to a second, multi-detection technique, which used the PDA and ELS detectors to determine both the ultraviolet (UV) peak area and the concentration (based on measurement by ELS) in a single analysis...
July 4, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28716048/transcriptome-analysis-uncovers-arabidopsis-f-box-stress-induced-1-as-a-regulator-of-jasmonic-acid-and-abscisic-acid-stress-gene-expression
#11
Lauren E Gonzalez, Kristen Keller, Karen X Chan, Megan M Gessel, Bryan C Thines
BACKGROUND: The ubiquitin 26S proteasome system (UPS) selectively degrades cellular proteins, which results in physiological changes to eukaryotic cells. F-box proteins are substrate adaptors within the UPS and are responsible for the diversity of potential protein targets. Plant genomes are enriched in F-box genes, but the vast majority of these have unknown roles. This work investigated the Arabidopsis F-box gene F-BOX STRESS INDUCED 1 (FBS1) for its effects on gene expression in order elucidate its previously unknown biological function...
July 17, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28715771/a-flow-through-aqueous-standard-generation-system-for-thin-film-microextraction-investigations-of-uv-filters-and-biocides-partitioning-to-different-environmental-compartments
#12
Fardin Ahmadi, Chris Sparham, Janusz Pawliszyn
In this paper problems associated with preparation of aqueous standard of highly hydrophobic compounds such as partial precipitation, being lost on the surfaces, low solubility in water and limited sample volume for accurate determination of their distribution coefficients are addressed. The following work presents two approaches that utilize blade thin film microextraction (TFME) to investigate partitioning of UV filters and biocides to humic acid (dissolved organic carbon) and sediment. A steady-state concentration of target analytes in water was generated using a flow-through aqueous standard generation (ASG) system...
July 14, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28713999/elevated-fibrinogen%C3%A2-like-protein-2-in-tnbs%C3%A2-induced-colitis-mice-association-with-th17-and-regulatory-t-cells
#13
Haihua Lin, Renpin Chen, Xuepei Jiang, Xiaoli Wu, Xielin Huang, Xiuli Dong, Xu Yang, Xiuqing Lin, Xin Chen, Xiangrong Chen, Zhiming Huang
The etiology and pathogenesis of inflammatory bowel disease (IBD) is complex and remains to be completely elucidated. Numerous cytokines are associated with the initiation and development of IBD. Fibrinogen‑like protein 2 (FGL2), an immunosuppressive cytokine expressed by regulatory cluster of differentiation (CD)4+ T (Treg) cells, has been identified to be important for immunomodulatory activity in the inflammatory state. Therefore, the present study investigated the expression of FGL2 and interleukin (IL)‑17 in trinitro‑benzene‑sulfonic acid (TNBS)‑induced colitis mice to identify the function of FGL2, based on the effector CD4+ T helper (Th)17/Treg balance, in IBD...
September 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28711257/seasonal-and-maternal-effects-on-acid-base-l-lactate-electrolyte-and-hematological-status-of-205-dairy-calves-born-to-eutocic-dams
#14
L Kovács, F L Kézér, E Albert, F Ruff, O Szenci
In this study, we used linear mixed models to determine the effects of season, time of sampling relative to birth (factors), duration of the delivery process, duration of maternal grooming, calf body weight (BW) at birth, and time of day (covariates) on values of venous blood gas, acid-base and electrolyte parameters, and l-lactate concentrations in dairy calves born to eutocic dams in summer (SUM, n = 101) and winter (WIN, n = 104). Neonatal vitality was assessed at 0, 1, and 24 h after delivery in a linear scoring system using muscle tone, erection of the head, muscle reflexes, heart rate, and sucking drive as criteria...
July 12, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28711245/feeding-of-palm-oil-fatty-acids-or-rapeseed-oil-throughout-lactation-effects-on-energy-status-body-composition-and-milk-production-in-norwegian-dairy-goats
#15
M Eknæs, Y Chilliard, K Hove, R A Inglingstad, L Bernard, H Volden
The objective of this experiment was to examine how supplements of rapeseed oil or palm oil fatty acids would affect milk production and composition, body lipid stores, and energy balance in 30 multiparous goats of Norwegian dairy goat breed. The experiment lasted 230 d, with 1 to 120 d in milk (DIM) for indoor feeding (P1), 120 to 200 DIM for mountain grazing (P2), and 200 to 230 DIM for indoor feeding (P3). Grass silage was fed according to appetite during indoor feeding periods. After an adjustment period (1-60 DIM) when the control diet was given to the goats, the animals were subdivided into 3 groups of 10 goats...
July 12, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28710783/evaluation-of-vegetable-protein-in-canine-diets-assessment-of-performance-and-apparent-ileal-amino-acid-digestibility-using-a-broiler-model
#16
D C Fiacco, J A Lowe, J Wiseman, G A White
Recent technological advances in the human food industry with respect to meat processing have decreased the availability of animal proteins to the pet food industry which typically formulates diets with an excess of animal protein. In the long term, this is not sustainable; thus, alternative protein sources need to be investigated. This study examined three canine diets, comparing a typical animal protein-based diet (control) with two experimental diets where the animal protein was substituted in part with vegetable protein (formulated based either on total protein or amino acid content) using a broiler model...
July 15, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28709157/hypotensive-resuscitation-with-hypertonic-saline-dextran-improves-survival-in-a-rat-model-of-hemorrhagic-shock-at-high-altitude
#17
Jingxiang Zhao, Guoxing You, Bo Wang, Zhenwei Sun, Zhen Wang, Sha Xia, Lian Zhao, Hong Zhou
OBJECTIVE: To compare the efficacy of hypotensive resuscitation with hypertonic saline dextran 70 (HSD) and lactated Ringer (LR) solutions in a rat model of hemorrhagic shock at a simulated altitude of 4,000 m. METHODS: Anesthetized rats were bled to maintain their mean arterial pressure (MAP) at 45 mm Hg for 1 h. The distal quarter of the tail was then amputated to allow free blood loss; rats were simultaneously resuscitated with 4 mL kg HSD (HSD group, n = 10) or 4 mL kg LR (LR group, n = 10), followed by hypotensive resuscitation with LR to maintain MAP at 55 to 60 mm Hg for 1 h...
August 2017: Shock
https://www.readbyqxmd.com/read/28701041/stereoelectronic-interactions-as-a-probe-for-the-existence-of-the-intramolecular-%C3%AE-effect
#18
Eusebio Juaristi, Gabriel Dos Passos Gomes, Alexander O Terent'ev, Rafael Notario, Igor V Alabugin
The first systematic study of the intramolecular α-effect, both in the stable ground-state structures and in the high-energy intermediates, was accomplished using the anomeric effect as an internal stereoelectronic probe. Contrary to the expectations based on the simple orbital mixing model, the lone pairs in a pair of neutral directly connected heteroatoms are not raised in energy to become stronger donors toward adjacent σ- and π-acceptors. Instead, the key n(X-Y)→σ*C-F interactions (X,Y = O,N) in the "α-systems" (both acyclic and constrained within a heterocyclohexane frame) are weaker than nX→σ*C-F interactions in "normal" systems...
July 25, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28694730/topiramate-induced-metabolic-acidosis-and-kidney-stones-a-case-study
#19
Tomas Salek, Ivan Andel, Irena Kurfurstova
INTRODUCTION: The aim of this study is to present a case of 44 years old woman with topiramate induced metabolic acidosis and kidney stones. MATERIALS AND METHODS: The laboratory features of topiramate caused renal tubular acidosis in blood and urine during topiramate treatment, with correction of metabolic acidosis by potassium citrate, and after topiramate withdrawal are presented. Differential diagnosis of all possible causes of metabolic acidosis is discussed...
June 15, 2017: Biochemia Medica: časopis Hrvatskoga Društva Medicinskih Biokemičara
https://www.readbyqxmd.com/read/28693594/the-impact-of-phosphate-balanced-crystalloid-infusion-on-acid-base-homeostasis-palance-study-study-protocol-for-a-randomized-controlled-trial
#20
Judith-Irina Pagel, Nikolai Hulde, Tobias Kammerer, Michaela Schwarz, Daniel Chappell, Alexander Burges, Klaus Hofmann-Kiefer, Markus Rehm
BACKGROUND: This study aims to investigate the effects of a modified, balanced crystalloid including phosphate in a perioperative setting in order to maintain a stable electrolyte and acid-base homeostasis in the patient. METHODS/DESIGN: This is a single-centre, open-label, randomized controlled trial involving two parallel groups of female patients comparing a perioperative infusion regime with sodium glycerophosphate and Jonosteril® (treatment group) or Jonosteril® (comparator) alone...
July 10, 2017: Trials
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