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https://www.readbyqxmd.com/read/29729088/glyoxal-based-solvents-for-electrochemical-energy-storage-devices
#1
Lars Henning Heß, Andrea Balducci
In this work we report for the first time an investigation about the use of solvents 1,1,2,2-tetramethoxyethane, also called tetramethoxy glyoxal (TMG) and 1,1,2,2-tetraethoxyethane also called tetraethoxy glyoxal (TEG), which belong to the chemical family of carbonyl derivatives, as electrolyte components for supercapacitors (EDLCs) and lithium-ion batteries (LIBs). TEG and TMG are commercial solvents displaying a good set of properties, a low toxicity and a low price. We showed that while in the case of EDLCs the use of these solvents does appear particularly appealing, their use in LIB is certainly interesting...
May 4, 2018: ChemSusChem
https://www.readbyqxmd.com/read/29704284/prognostic-importance-of-plasma-total-magnesium-in-a-cohort-of-cats-with-azotemic-chronic-kidney-disease
#2
D Hendrik N van den Broek, Yu-Mei Chang, Jonathan Elliott, Rosanne E Jepson
BACKGROUND: Hypomagnesemia is associated with increased mortality and renal function decline in humans with chronic kidney disease (CKD). Magnesium is furthermore inversely associated with fibroblast growth factor 23 (FGF23), an important prognostic factor in CKD in cats. However, the prognostic significance of plasma magnesium in cats with CKD is unknown. OBJECTIVES: To explore associations of plasma total magnesium concentration (tMg) with plasma FGF23 concentration, all-cause mortality, and disease progression in cats with azotemic CKD...
April 27, 2018: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/29679246/reliability-of-tensiomyography-and-myotonometry-in-detecting-mechanical-and-contractile-characteristics-of-the-lumbar-erector-spinae-in-healthy-volunteers
#3
Christine Lohr, Klaus-Michael Braumann, Ruediger Reer, Jan Schroeder, Tobias Schmidt
PURPOSE: Tensiomyography™ (TMG) and MyotonPRO® (MMT) are two non-invasive devices for monitoring muscle contractile and mechanical characteristics. This study aimed to evaluate the test-retest reliability of TMG and MMT parameters for measuring (TMG:) muscle displacement (Dm ), contraction time (Tc ), and velocity (Vc ) and (MMT:) frequency (F), stiffness (S), and decrement (D) of the erector spinae muscles (ES) in healthy adults. A particular focus was set on the establishment of reliability measures for the previously barely evaluated secondary TMG parameter Vc ...
April 20, 2018: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29547276/copper-catalyzed-vinylogous-aerobic-oxidation-of-unsaturated-compounds-with-air
#4
Hai-Jun Zhang, Alexander W Schuppe, Shi-Tao Pan, Jin-Xiang Chen, Bo-Ran Wang, Timothy R Newhouse, Liang Yin
A mild and operationally simple copper-catalyzed vinylogous aerobic oxidation of β,γ- and α,β-unsaturated esters is described. This method features good yields, broad substrate scope, excellent chemo- and regioselectivity, and good functional group tolerance. This method is additionally capable of oxidizing β,γ- and α,β-unsaturated aldehydes, ketones, amides, nitriles, and sulfones. Furthermore, the present catalytic system is suitable for bisvinylogous and trisvinylogous oxidation. Tetramethylguanidine (TMG) was found to be crucial in its role as a base, but we also speculate that it serves as a ligand to copper(II) triflate to produce the active copper(II) catalyst...
April 18, 2018: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29527542/immunoprecipitation-of-tri-methylated-capped-rna
#5
Karen E Hayes, Jamie A Barr, Mingyi Xie, Joan A Steitz, Ivan Martinez
Cellular quiescence (also known as G0 arrest) is characterized by reduced DNA replication, increased autophagy, and increased expression of cyclin-dependent kinase p27Kip1 . Quiescence is essential for wound healing, organ regeneration, and preventing neoplasia. Previous findings indicate that microRNAs (miRNAs) play an important role in regulating cellular quiescence. Our recent publication demonstrated the existence of an alternative miRNA biogenesis pathway in primary human foreskin fibroblast (HFF) cells during quiescence...
February 5, 2018: Bio-protocol
https://www.readbyqxmd.com/read/29478383/relationship-between-skeletal-muscle-contractile-properties-and-power-production-capacity-in-female-olympic-rugby-players
#6
Pedro L Valenzuela, Zigor Montalvo, G Sánchez-Martínez, Elaia Torrontegi, J De La Calle-Herrero, R Domínguez-Castells, Nicola A Maffiuletti, Pedro De La Villa
This study aimed to determine which contractile properties measured by tensiomyography (TMG) could better differentiate athletes with high- and low-power values, as well as to analyse the relationship between contractile properties and power production capacity. The contractile properties of the vastus medialis (VM), rectus femoris (RF) and vastus lateralis (VL) of an Olympic women's Rugby Sevens team (n = 14) were analysed before a Wingate test in which their peak power output (PPO) was determined. Athletes were then divided into a high-power (HP) and a low-power (LP) group...
February 24, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/29451885/repeated-stimulation-inter-stimulus-interval-and-inter-electrode-distance-alters-muscle-contractile-properties-as-measured-by-tensiomyography
#7
Hannah V Wilson, Mark I Johnson, Peter Francis
CONTEXT: The influence of methodological parameters on the measurement of muscle contractile properties using Tensiomyography (TMG) has not been published. OBJECTIVE: To investigate the; (1) reliability of stimulus amplitude needed to elicit maximum muscle displacement (Dm), (2) effect of changing inter-stimulus interval on Dm (using a fixed stimulus amplitude) and contraction time (Tc), (3) the effect of changing inter-electrode distance on Dm and Tc. DESIGN: Within subject, repeated measures...
2018: PloS One
https://www.readbyqxmd.com/read/29391154/o-glcnacylation-affects-%C3%AE-catenin-and-e-cadherin-expression-cell-motility-and-tumorigenicity-of-colorectal-cancer
#8
Shani Ben Harosh-Davidovich, Isam Khalaila
O-GlcNAcylation, the addition of β-N-acetylglucosamine (O-GlcNAc) moiety to Ser/Thr residues, is a sensor of the cell metabolic state. Cancer diseases such as colon, lung and breast cancer, possess deregulated O-GlcNAcylation. Studies during the last decade revealed that O-GlcNAcylation is implicated in cancer tumorigenesis and proliferation. The Wnt/β-catenin signaling pathway and cadherin-mediated adhesion are also implicated in epithelial-mesenchymal transition (EMT), a key cellular process in invasion and cancer metastasis...
March 1, 2018: Experimental Cell Research
https://www.readbyqxmd.com/read/29385241/optimization-of-breast-reconstruction-results-using-tmg-flap-in-30-cases-evaluation-of-several-refinements-addressing-flap-design-shaping-techniques-and-reduction-of-donor-site-morbidity
#9
Stefanie Nickl, Jakob Nedomansky, Christine Radtke, Werner Haslik, Klaus F Schroegendorfer
BACKGROUND: The transverse myocutaneous gracilis (TMG) flap is a widely used alternative to abdominal flaps in autologous breast reconstruction. However, secondary procedures for aesthetic refinement are frequently necessary. Herein, we present our experience with an optimized approach in TMG breast reconstruction to enhance aesthetic outcome and to reduce the need for secondary refinements. METHODS: We retrospectively analyzed 37 immediate or delayed reconstructions with TMG flaps in 34 women, performed between 2009 and 2015...
January 31, 2018: Microsurgery
https://www.readbyqxmd.com/read/29342881/development-of-self-assembled-nanoribbon-bound-peptide-polyaniline-composite-scaffolds-and-their-interactions-with-neural-cortical-cells
#10
Andrew M Smith, Harrison T Pajovich, Ipsita A Banerjee
Degenerative neurological disorders and traumatic brain injuries cause significant damage to quality of life and often impact survival. As a result, novel treatments are necessary that can allow for the regeneration of neural tissue. In this work, a new biomimetic scaffold was designed with potential for applications in neural tissue regeneration. To develop the scaffold, we first prepared a new bolaamphiphile that was capable of undergoing self-assembly into nanoribbons at pH 7. Those nanoribbons were then utilized as templates for conjugation with specific proteins known to play a critical role in neural tissue growth...
January 13, 2018: Bioengineering
https://www.readbyqxmd.com/read/29325178/modulation-of-o-glcnac-levels-in-the-liver-impacts-acetaminophen-induced-liver-injury-by-affecting-protein-adduct-formation-and-glutathione-synthesis
#11
Steven R McGreal, Bharat Bhushan, Chad Walesky, Mitchell R McGill, Margitta Lebofsky, Sylvie E Kandel, Robert D Winefield, Hartmut Jaeschke, Natasha E Zachara, Zhen Zhang, Ee Phie Tan, Chad Slawson, Udayan Apte
Overdose of acetaminophen (APAP) results in acute liver failure. We have investigated the role of a posttranslational modification of proteins called O-GlcNAcylation, where the O-GlcNAc transferase (OGT) adds and O-GlcNAcase (OGA) removes a single β-D-N-acetylglucosamine (O-GlcNAc) moiety, in the pathogenesis of APAP-induced liver injury. Hepatocyte-specific OGT knockout mice (OGT KO), which have reduced O-GlcNAcylation, and wild-type (WT) controls were treated with 300 mg/kg APAP and the development of injury was studied over a time course from 0 to 24 h...
April 1, 2018: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29287412/a-green-deep-eutectic-solvent-dispersive-liquid-liquid-micro-extraction-des-dllme-for-the-uhplc-pda-determination-of-oxyprenylated-phenylpropanoids-in-olive-soy-peanuts-corn-and-sunflower-oil
#12
Vincenzo Ferrone, Salvatore Genovese, Maura Carlucci, Matteo Tiecco, Raimondo Germani, Francesca Preziuso, Francesco Epifano, Giuseppe Carlucci, Vito Alessandro Taddeo
A green dispersive liquid-liquid microextraction (DLLME) using deep eutectic solvent (DES) as the extracting solvent has been developed and applied for the simultaneous quantification of ferulic acid, umbelliferone, boropinic acid, 7-isopentenyloxycoumarin, 4'-geranyloxyferulic acid (GOFA), and auraptene in some vegetable oils using ultra high performance liquid chromatography (UHPLC) with photodiode array detection (PDA). All parameters in the extraction step, including selection and loading of both extracting and dispersing solvents, amount of both extractant and disperser solvent were investigated and optimized...
April 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29284166/functional-screening-tests-interrelationships-and-ability-to-predict-vertical-jump-performance
#13
Irineu Loturco, Lucas Adriano Pereira, Ronaldo Kobal, Cesar Cavinato Cal Abad, William Komatsu, Ronaldo Cunha, Gustavo Arliani, Benno Ejnisman, Alberto de Castro Pochini, Fábio Yuzo Nakamura, Moises Cohen
There are several methods used in sports science to identify asymmetries in athletes, given their purported relevance to injury prevention and performance optimization. We aimed to verify whether asymmetries provided by isokinetic assessments, jump tests, and tensiomyography (TMG) are associated with each other, and whether their respective functional indices are related to jumping ability. TMG parameters, unilateral and bilateral squat-jump (SJ) and countermovement-jump (CMJ) performances, and peak torque in knee-extension and flexion with angular velocities of 60o /s and 300o /s for twenty-four soccer players were retained for analyses...
February 2018: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29274979/effects-of-prepartum-dietary-cation-anion-difference-and-source-of-vitamin-d-in-dairy-cows-vitamin-d-mineral-and-bone-metabolism
#14
R M Rodney, N Martinez, E Block, L L Hernandez, P Celi, C D Nelson, J E P Santos, I J Lean
Pregnant Holstein cows, 28 nulliparous and 51 parous, were blocked by parity and milk yield and randomly allocated to receive diets that differed in dietary cation-anion difference (DCAD), +130 or -130 mEq/kg, and supplemented with either calcidiol or cholecalciferol at 3 mg/11 kg of dry matter from 255 d of gestation until parturition. Blood was sampled thrice weekly prepartum, and on d 0, 1, 2, 3, 6, 9, 12, 15, 18, 21, 24, 27, and 30 postpartum to evaluate effects of the diets on vitamin D, mineral and bone metabolism, and acid-base status...
March 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29273060/-we-all-want-to-succeed-but-we-ve-also-got-to-be-realistic-about-what-is-happening-an-ethnographic-study-of-relationships-in-trial-oversight-and-their-impact
#15
Anne Daykin, Lucy E Selman, Helen Cramer, Sharon McCann, Gillian W Shorter, Matthew R Sydes, Carrol Gamble, Rhiannon Macefield, J Athene Lane, Alison Shaw
BACKGROUND: The oversight and conduct of a randomised controlled trial involves several stakeholders, including a Trial Steering Committee (TSC), Trial Management Group (TMG), Data Monitoring Committee (DMC), funder and sponsor. We aimed to examine how the relationships between these stakeholders affect the trial oversight process and its rigour, to inform future revision of Good Clinical Practice guidelines. METHODS: Using an ethnographic study design, we observed the oversight processes of eight trials and conducted semi-structured interviews with members of the trials' TSCs and TMGs, plus other relevant informants, including sponsors and funders of trials...
December 22, 2017: Trials
https://www.readbyqxmd.com/read/29221871/investigation-on-paper-cup-waste-degradation-by-bacterial-consortium-and-eudrillus-eugeinea-through-vermicomposting
#16
Karthika Arumugam, Seenivasagan Renganathan, Olubukola Oluranti Babalola, Vasanthy Muthunarayanan
Disposable Paper cups are a threat to the environment and are composed of 90% high strength paper with 5% thin coating of polyethylene. This polyethylene prevents the paper cup from undergoing degradation in the soil. Hence, in the present study two different approaches towards the management of paper cup waste through vermicomposting technology has been presented. The experimental setup includes 2 plastic reactors namely Vermicompost (VC) (Cow dung + Paper cup waste + Earthworm (Eudrillus eugeinea)) and Vermicompost with bacterial consortium (VCB) (Cow dung + Paper cup waste + Eudrillus eugeinea + Microbial consortia such as Bacillus anthracis, B...
April 2018: Waste Management
https://www.readbyqxmd.com/read/29196265/elevated-o-glcnacylation-stabilizes-foxm1-by-its-reduced-degradation-through-gsk-3%C3%AE-inactivation-in-a-human-gastric-carcinoma-cell-line-mkn45-cells
#17
Yosuke Inoue, Kazumasa Moriwaki, Yasuhiro Ueda, Toshihisa Takeuchi, Kazuhide Higuchi, Michio Asahi
O-GlcNAcylation is a dynamic post-translational modification of cytonuclear proteins for intracellular signaling. Elevated O-GlcNAcylation is a general feature of cancer and contributes to cancer progression, and recent studies indicate the contribution to increasing incidence of various types of cancer in diabetic patients. However, the role of O-GlcNAcylation in tumor progression is not fully elucidated. Forkhead box M1 (FOXM1), a master mitotic transcription factor, has been implicated in all major hallmarks of cancer, and is wildly expressed in solid tumors...
January 8, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29195192/spectroscopic-profiling-and-computational-study-of-the-binding-of-tschimgine-a-natural-monoterpene-derivative-with-calf-thymus-dna
#18
Masoumeh Ashrafi Khajeh, Gholamreza Dehghan, Siavoush Dastmalchi, Masoomeh Shaghaghi, Mehrdad Iranshahi
DNA is a major target for a number of anticancer substances. Interaction studies between small molecules and DNA are essential for rational drug designing to influence main biological processes and also introducing new probes for the assay of DNA. Tschimgine (TMG) is a monoterpene derivative with anticancer properties. In the present study we tried to elucidate the interaction of TMG with calf thymus DNA (CT-DNA) using different spectroscopic methods. UV-visible absorption spectrophotometry, fluorescence and circular dichroism (CD) spectroscopies as well as molecular docking study revealed formation of complex between TMG and CT-DNA...
March 5, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29174843/an-efficient-single-cell-rna-seq-approach-to-identify-neoantigen-specific-t-cell-receptors
#19
Yong-Chen Lu, Zhili Zheng, Paul F Robbins, Eric Tran, Todd D Prickett, Jared J Gartner, Yong F Li, Satyajit Ray, Zulmarie Franco, Valery Bliskovsky, Peter C Fitzgerald, Steven A Rosenberg
The adoptive transfer of neoantigen-reactive tumor-infiltrating lymphocytes (TILs) can result in tumor regression in patients with metastatic cancer. To improve the efficacy of adoptive T cell therapy targeting these tumor-specific mutations, we have proposed a new therapeutic strategy, which involves the genetic modification of autologous T cells with neoantigen-specific T cell receptors (TCRs) and the transfer of these modified T cells back to cancer patients. However, the current techniques to isolate neoantigen-specific TCRs are labor intensive, time consuming, and technically challenging, not suitable for clinical applications...
February 7, 2018: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/29143012/%C3%AE-alanine-and-n-terminal-cationic-substituents-affect-polyamide-dna-binding
#20
Beibei Liu, Shuo Wang, Karl Aston, Kevin J Koeller, Shahrzad Fanny Hakami Kermani, Carlos H Castañeda, M José Scuderi, Rensheng Luo, James K Bashkin, W David Wilson
Minor-groove binding hairpin polyamides (PAs) bind specific DNA sequences. Synthetic modifications can improve PA-DNA binding affinity and include flexible modules, such as β-alanine (β) motifs to replace pyrroles (Py), and increasing compound charge using N-terminal cationic substituents. To better understand the variations in kinetics and affinities caused by these modifications on PA-DNA interactions, a comprehensive set of PAs with different numbers and positions of β and different types of N-cationic groups was systematically designed and synthesized to bind their cognate sequence, the λB motif...
November 29, 2017: Organic & Biomolecular Chemistry
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