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https://www.readbyqxmd.com/read/28525269/gas-solid-chemisorption-adsorption-and-mechanochemical-selectivity-in-dynamic-nonporous-hybrid-metal-organic-materials
#1
Haitao Li, Fang Guo, Meng Kou, Antonino Famulari, Qiang Fu, Javier Marti-Rujas
Gas-solid chemisorption of HCl and adsorption of MeOH/EtOH by nonporous chiral copper(II) coordination complexes 1·MeOH and 1″·MeOH occur in a cooperative and dynamic manner to give solvated second sphere adducts 1'·MeOH/EtOH. The chemisorption process involves dramatic atomic rearrangements in the crystalline state upon cleavage and formation of H-Cl, N-H, Cu-N, and Cu-Cl coordination and covalent bonds from the gas and solid state, respectively. Using mechanochemistry, the chloride-bridged coordination complex 1″·MeOH is selectively produced by means of a dehydrochlorination reaction, but not in solution in which a mixture of 1·MeOH and 1″·MeOH is obtained...
May 19, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28522965/adolescent-ethanol-exposure-leads-to-stimulus-specific-changes-in-cytokine-reactivity-and-hypothalamic-pituitary-adrenal-axis-sensitivity-in-adulthood
#2
Andrew S Vore, Tamara Doremus-Fitzwater, Anny Gano, Terrence Deak
Adolescent alcohol use comprises a significant public health concern and is often characterized by binge-like consumption patterns. While ethanol exposure in adulthood has been shown to alter the stress response, including the Hypothalamic-Pituitary-Adrenal (HPA) axis, few studies have examined whether binge-like ethanol exposure during adolescence results in enduring changes in HPA axis sensitivity in adulthood. In the present studies, adolescent Sprague-Dawley rats were given intragastric (i.g.) intubations of ethanol (4 g/kg) or vehicle once per day for three consecutive days, beginning on postnatal day (P) 30 (±1)...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28515323/%C3%AE-adrenergic-induction-of-lipolysis-in-hepatocytes-is-inhibited-by-ethanol-exposure
#3
Micah B Schott, Karuna Rasineni, Shaun G Weller, Ryan J Schulze, Arthur C Sletten, Carol A Casey, Mark A McNiven
In liver steatosis i.e., fatty liver), hepatocytes accumulate many large neutral lipid-storage organelles known as lipid droplets (LDs). LDs are important in the maintenance of energy homeostasis, but the signaling mechanisms that stimulate LD metabolism in hepatocytes are poorly defined. In adipocytes, catecholamines target the β-adrenergic (β-AR)/cAMP pathway to activate cytosolic lipases and induce their recruitment to the LD surface. Therefore, the goal of this study was to determine whether hepatocytes, like adipocytes, also undergo cAMP-mediated lipolysis in response to β-AR stimulation...
May 17, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28511915/altered-ionic-currents-and-amelioration-by-igf-1-and-pacap-in-motoneuron-derived-cells-modelling-sbma
#4
Aura M Jiménez Garduño, Leon J Juárez-Hernández, María J Polanco, Laura Tosatto, Daniela Michelatti, Daniele Arosio, Manuela Basso, Maria Pennuto, Carlo Musio
Spinal and bulbar muscular atrophy (SBMA), also known as Kennedy's disease, is a motor neuron disease caused by the expansion of a polymorphic CAG tandem repeat encoding a polyglutamine (polyQ) tract in the androgen receptor (AR) gene. SBMA is triggered by the binding of mutant AR to its natural ligands, testosterone and dihydrotestosterone (DHT). To investigate the neuronal alterations of motor neuron cell models of SBMA, we applied patch-clamp methods to verify how polyQ expansions in the AR alter cell ionic currents...
May 10, 2017: Biophysical Chemistry
https://www.readbyqxmd.com/read/28510462/anti-plasmodial-assessment-of-four-different-iranian-propolis-extracts
#5
Houshang Afrouzan, Sedigheh Zakeri, Akram Abouie Mehrizi, Sara Molasalehi, Azar Tahghighi, Mohamad Ali Shokrgozar, Ali Es-Haghi, Navid Dinparast Djadid
BACKGROUND: Eradication of malaria will depend on discovery of new intervention tools such as anti-malarial drugs. Due to the increasing interest in the application of propolis against significant clinical pathogenic agents, the aim of the present investigation was to evaluate the anti-plasmodial effect of Iranian propolis extracts against chloroquine (CQ)-sensitive Plasmodium falciparum 3D7 and Plasmodium berghei (ANKA strain). METHODS: Crude samples of honeybee (Apis mellifera) propolis were collected from four provinces in northern (Kalaleh, Golestan), northeastern (Chenaran, Razavi Khorasan), central (Taleghan, Alborz) and western (Morad Beyg, Hamedan) areas of Iran with different types of flora...
May 2017: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/28510429/copolymerization-of-carbon-dioxide-with-epoxides-catalyzed-by-structurally-well-characterized-dinickel-bis-benzotriazole-iminophenolate-complexes-influence-of-carboxylate-ligands-on-the-catalytic-performance
#6
Li-Shin Huang, Chen-Yen Tsai, Hui-Ju Chuang, Bao-Tsan Ko
A series of structurally well-defined dinickel carboxylate complexes based on the (R)BiIBTP derivatives [(R)BiIBTP = bis(benzotriazole iminophenolate), where R = 3C for the propyl-bridged backbone and 5C for the 2,2-dimethyl-1,3-propyl-bridged backbone] were synthesized and developed for copolymerization of CO2 and epoxides. The one-pot reactions of nickel perchlorate with the (R)BiIBTP-H2 proligands and an appropriate amount of carboxylic acid derivatives (CF3COOH or 4-X-C6H4CO2H; X = H, CF3, OMe) upon the addition of triethylamine in refluxing methanol (MeOH) afforded dinuclear nickel dicarboxylate complexes, which could be formulated as either [((R)BiIBTP)Ni2(O2CCF3)2] (1 and 2) or [((R)BiIBTP)Ni2(O2CC6H4-4-X)2] (3-7)...
May 16, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28503941/pyrrolo-2-1-a-isoquinoline-and-pyrrole-alkaloids-from-sinomenium-acutum
#7
Hai-Ning Lv, Ke-Wu Zeng, Ming-Bo Zhao, Yong Jiang, Peng-Fei Tu
Two pyrrolo[2,1-a]isoquinolines (1 and 2) and three pyrrole alkaloids (3-5), including three new ones, named sinopyrines A-C (1-3), were isolated from the 95% EtOH extract of the stems and rhizomes of Sinomenium acutum (Thumb.) Rehd. et Wils. The structures of the new compounds were elucidated on the basis of spectroscopic data. This is the first report of pyrrole-bearing natural compounds from the family Menispermaceae.
May 15, 2017: Journal of Asian Natural Products Research
https://www.readbyqxmd.com/read/28500887/integrated-techno-economic-and-environmental-analysis-of-butadiene-production-from-biomass
#8
Somayeh Farzad, Mohsen Ali Mandegari, Johann F Görgens
In this study, lignocellulose biorefineries annexed to a typical sugar mill were investigated to produce either ethanol (EtOH) or 1,3-butadiene (BD), utilizing bagasse and trash as feedstock. Aspen simulation of the scenarios were developed and evaluated in terms of economic and environmental performance. The minimum selling prices (MSPs) for bio-based BD and EtOH production were 2.9-3.3 and 1.26-1.38-fold higher than market prices, respectively. Based on the sensitivity analysis results, capital investment, Internal Rate of Return and extension of annual operating time had the greatest impact on the MSP...
May 4, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28500392/a-case-of-advanced-gastric-cancer-achieved-a-pathological-complete-response-by-chemotherapy
#9
Kazuhiro Tada, Tsuyoshi Etoh, Yuki Shitomi, Yoshitake Ueda, Manabu Tojigamori, Hidefumi Shiroshita, Norio Shiraishi, Masafumi Inomata
BACKGROUND: Although chemotherapy is the first recommended treatment of unresectable gastric cancer, a pathological complete response is a rare event. CASE PRESENTATION: A 58-year-old male was diagnosed as gastric cancer with a bulky tumor, lymphadenopathy, and suspicious peritoneal dissemination. The patient underwent chemotherapy with S-1 and cisplatin. After three courses of chemotherapy, a computed tomography showed dramatic improvements in gastric wall thickening, shrinkage of lymphadenopathy, and disappearance of disseminated peritoneal lesion...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28497930/mirror-therapy-for-involuntary-movement-due-to-chronic-thalamic-hemorrhage-a-case-report
#10
Seiji Miura, Makoto Ueno, Ryuji Miyata, Eriko Maniwa, Seiji Etoh, Megumi Shimodozono
BACKGROUND: Some stroke survivors suffer from involuntary movement, which often disturbs upper-limb function, but there are few effective modality options. CASE REPORT: A 70-year-old man presented with persisting right-upper-limb hemiballism due to left thalamic hemorrhage 10 years before. We provided inpatient rehabilitation, including repetitive-facilitative exercise and task-related training, and prescribed clonazepam from day 5 after admission. However, the affected upper limb showed no significant change and remained nonfunctional...
May 12, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28496071/solubility-based-separation-and-purification-of-long-chain-chitin-oligosaccharides-with-an-organic-water-mixed-solvent
#11
Hajime Katano, Shota Noba, Kimihiko Sato, Hisashi Kimoto
A simple and rapid method for separation and purification of chitin oligosaccharides, (GlcNAc)n, with n ≥ 5 is presented. A commercially available chitin oligosaccharides sample, consisting of (GlcNAc)n with n = 1 - 7, was used as the starting material. Ten milligrams of the material was mixed with 100 μL of the 1 mol/L HCl. All the (GlcNAc)n species were dissolved in the aqueous medium. The aqueous solution was mixed with 900 μL of EtOH; the mixture was centrifuged, and the supernatant was removed to obtain a precipitate...
2017: Analytical Sciences: the International Journal of the Japan Society for Analytical Chemistry
https://www.readbyqxmd.com/read/28488417/melanogenesis-inhibitory-and-antioxidant-activities-of-phenolics-from-periploca-forrestii
#12
Cai-Ling Sun, Lei Chen, Jian Xu, Wei Qu, Li Guan, Wen-Yuan Liu, Toshihiro Akihisa, Feng Feng, Jie Zhang
Two new tetrahydrofuran-type lignans, (-)-gentioluteol-9-O-β-D-glucoside (1), (-)-berchemol 9-O-β-D-apiofuranosyl-(1→6)-O-β-D-glucopyranoside (2), along with sixteen known compounds 3-18 were isolated from the 95% EtOH extract of the stems of Periploca forrestii. The structures of new tetrahydrofuran-type lignans were determined by HR-ESI-MS and various NMR techniques in combination with CD method. Then, their antioxidant abilities were evaluated by 1,1-diphenyl-2-picrylhydrazul (DPPH), 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) radical scavenging activity, and ferric-reducing antioxidant power (FRAP) assays...
May 10, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28479395/effects-of-acute-alcohol-on-excitability-in-the-cns
#13
REVIEW
Neil L Harrison, Mary Jane Skelly, Emma P Grosserode, Daniel C Lowes, Tamara Zeric, Sara Phister, Michael C Salling
Alcohol has many effects on brain function and hence on human behavior, ranging from anxiolytic and mild disinhibitory effects, sedation and motor incoordination, amnesia, emesis, hypnosis and eventually unconsciousness. In recent years a variety of studies have shown that acute and chronic exposure to alcohol can modulate ion channels that regulate excitability. Modulation of intrinsic excitability provides another way in which alcohol can influence neuronal network activity, in addition to its actions on synaptic inputs...
May 4, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28478972/long-term-management-of-moderate-to-severe-atopic-dermatitis-with-dupilumab-and-concomitant-topical-corticosteroids-liberty-ad-chronos-a-1-year-randomised-double-blinded-placebo-controlled-phase-3-trial
#14
Andrew Blauvelt, Marjolein de Bruin-Weller, Melinda Gooderham, Jennifer C Cather, Jamie Weisman, David Pariser, Eric L Simpson, Kim A Papp, H Chih-Ho Hong, Diana Rubel, Peter Foley, Errol Prens, Christopher E M Griffiths, Takafumi Etoh, Pedro Herranz Pinto, Ramon M Pujol, Jacek C Szepietowski, Karel Ettler, Lajos Kemény, Xiaoping Zhu, Bolanle Akinlade, Thomas Hultsch, Vera Mastey, Abhijit Gadkari, Laurent Eckert, Nikhil Amin, Neil M H Graham, Gianluca Pirozzi, Neil Stahl, George D Yancopoulos, Brad Shumel
BACKGROUND: Dupilumab (an anti-interleukin-4-receptor-α monoclonal antibody) blocks signalling of interleukin 4 and interleukin 13, type 2/Th2 cytokines implicated in numerous allergic diseases ranging from asthma to atopic dermatitis. Previous 16-week monotherapy studies showed that dupilumab substantially improved signs and symptoms of moderate-to-severe atopic dermatitis with acceptable safety, validating the crucial role of interleukin 4 and interleukin 13 in atopic dermatitis pathogenesis...
May 4, 2017: Lancet
https://www.readbyqxmd.com/read/28467067/chemo-regio-and-stereoselective-construction-of-core-skeleton-of-furo-2-3-b-pyrrole-via-multicomponent-bicyclization-reaction
#15
Ning-Ning Man, Jia-Qi Wang, Li-Ming Zhang, Li-Rong Wen, Ming Li
An efficient and straightforward N-ethyldiisopropylamine (DIPEA)-catalyzed multicomponent bicyclization reaction was developed to synthesize furo[2,3-b]pyrrole derivatives from β-ketothioamides, glyoxals, and ethyl cyanacetate in EtOH at rt for 1.5 h. This was achieved via a sequential Knoevenagel condensation, Michael addition, and double cyclization, resulting in continuous formation of four chemical bonds (two C-C, two C-O, and one C-N bonds), two five-membered cycles, and three stereogenic centers in a one-pot operation...
May 12, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28463348/circularly-polarized-luminescence-on-dinuclear-tb-iii-and-eu-iii-complexes-with-s-and-r-2-phenylpropionate
#16
Berta Casanovas, Francesco Zinna, Lorenzo Di Bari, Mohamed Salah El Fallah, Mercè Font-Bardía, Ramon Vicente
The reaction of Ln(NO3)2·6H2O (Ln = Tb and Eu) with (S)-(+)-2-phenylpropionic acid (S-HL) and 1,10-phenanthroline (phen) in EtOH/H2O allows the isolation of the dinuclear chiral compounds of the formula [Ln2(S-L)6(phen)2]·2.5·S-HL in which Ln = Tb (S-1), Ln = Eu (S-2). The same synthesis by using (R)-(-)-2-phenylpropionic acid (R-HL) instead of (S)-(+)-2-phenylpropionic acid allows the isolation of the enantiomeric compounds with the formula [Ln2(R-L)6(phen)2]·2.5·R-HL where Ln = Tb (R-1), Ln = Eu (R-2)...
May 16, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28457972/the-rewarding-effects-of-ethanol-are-modulated-by-binge-eating-of-a-high-fat-diet-during-adolescence
#17
M Carmen Blanco-Gandía, Juan Carlos Ledesma, Auxiliadora Aracil-Fernández, Francisco Navarrete, Sandra Montagud-Romero, Maria A Aguilar, Jorge Manzanares, José Miñarro, Marta Rodríguez-Arias
Binge-eating is considered a specific form of overeating characterized by intermittent and high caloric food intake in a short period of time. Epidemiologic studies support a positive relation between the ingestion of fat and ethanol (EtOH), specifically among adolescent subjects. The aim of this work was to clarify the role of the compulsive, limited and intermittent intake of a high-fat food during adolescence on the rewarding effects of EtOH. After binge-eating for 2 h, three days a week from postnatal day (PND) 29, the reinforcing effects of EtOH were tested with EtOH self-administration (SA), conditioned place preference (CPP) and ethanol locomotor sensitization procedures in young adult mice...
April 27, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28456714/energy-drink-enhances-the-behavioral-effects-of-alcohol-in-adolescent-mice
#18
Thomas E Krahe, Cláudio C Filgueiras, Renata da Silva Quaresma, Helen Gomes Schibuola, Yael Abreu-Villaça, Alex C Manhães, Anderson Ribeiro-Carvalho
Mixing alcohol with energy drinks has become increasingly popular among teenagers and young adults due to the prevailing view that the stimulant properties of energy drinks decrease the depressant effects of alcohol. Surprisingly, in spite of energy drinks being heavily marketed to and consumed by adolescents, there is scarcely available preclinical data on the neurobehavioral effects of energy drinks mixed with alcohol during adolescence. Thus, here we examine the effects of the combined exposure to alcohol and energy drink on adolescent mice using a variety of behavioral tasks to assess locomotor activity, righting reflex and motor coordination...
April 26, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28456458/chemical-pretreatment-of-lignocellulosic-agroindustrial-waste-for-methane-production
#19
Frantseska-Maria Pellera, Evangelos Gidarakos
This study investigates the effect of different chemical pretreatments on the solubilization and the degradability of different solid agroindustrial waste, namely winery waste, cotton gin waste, olive pomace and juice industry waste. Eight different reagents were investigated, i.e. sodium hydroxide (NaOH), sodium bicarbonate (NaHCO3), sodium chloride (NaCl), citric acid (H3Cit), acetic acid (AcOH), hydrogen peroxide (H2O2), acetone (Me2CO) and ethanol (EtOH), under three condition sets resulting in treatments of varying intensity, depending on process duration, reagent dosage and temperature...
April 26, 2017: Waste Management
https://www.readbyqxmd.com/read/28455621/characteristics-of-advanced-gastric-cancer-with-negative-or-only-perigastric-lymph-node-metastasis-in-elderly-patients
#20
Hajime Fujishima, Yoshitake Ueda, Norio Shiraishi, Takao Hara, Michihiro Ichimanda, Yuki Shitomi, Hidefumi Shiroshita, Tsuyoshi Etoh, Masafumi Inomata
OBJECTIVES: After gastrectomy with extended lymph node (LN) dissection, the damage of celiac plexus seems to cause of disorder of eating habits. To clarify the indication of gastrectomy with limited LN dissection for elderly patients, the pathological characteristics of advanced gastric cancer in elderly patients were examined in this study. METHODS: Forty-seven patients aged ≥80 years with advanced gastric cancer (deeper than pT2) who underwent curative gastrectomy from 1998 to 2015 were enrolled...
April 28, 2017: Aging Clinical and Experimental Research
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