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https://www.readbyqxmd.com/read/28821074/dope-dyeing-of-lyocell-fiber-with-nmmo-based-carbon-black-dispersion
#1
Liping Zhang, Weize Sun, Dan Xu, Min Li, Christiana Agbo, Shaohai Fu
NMMO-based carbon black (CB) dispersion was prepared and its properties as well as its compatibility with lyocell spinning solution were further investigated. Modified lignosulfonate (SP) was verified to be the preeminent dispersant for the preparation of NMMO-based CB dispersion with mass ratio of SP to CB 20% and water to NMMO 13%. The compatibility of NMMO-based CB dispersion with lyocell spinning solution had close relation with dispersant structure and CB content. Mass ratio of CB to cellulose affects the mechanical properties, color strength and crystallinity of lyocell fiber...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28820591/predicting-relative-stability-of-conformers-in-solution-with-cosmo-rs
#2
Astrid Pung, Ivo Leito
The ability of the COSMO-RS method to predict the relative stability of different conformers of the same species in solution was evaluated by comparing computational results with experimental conformer data for 101 molecules from 20 literature sources. The solvents CDCl3, CD2Cl2, benzene, toluene, ethyl ether, tetrahydrofuran, acetone, dimethylformamide, DMSO (and DMSO-d6), water and ethanol were used (dictated by the solvents used in the literature). In the case of 16 molecules the quantitative conformer abundances were also available and were compared with the data from computations...
August 18, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28820397/long-term-feeding-with-bioactive-tripeptides-in-aged-hypertensive-and-normotensive-rats-special-focus-on-blood-pressure-and-bradykinin-induced-vascular-reactivity
#3
A Siltari, J Roivanen, R Korpela, H Vapaatalo
Bradykinin is the main player of the kallikrein-kinin system. Bradykinin-induced vasodilatation is age-dependent; this is believed to be associated with the level of expression of the two bradykinin receptors (BR1 and BR2) in the vasculature. The aim of this study was to clarify bradykinin-induced vascular reactivity of spontaneously hypertensive rats (SHR) and age-matched Wistar-Kyoto rats (WKY) after 6 weeks' consumption of a drink containing bioactive tripeptides (Ile-Pro-Pro, Val-Pro-Pro and Leu-Pro-Pro)...
June 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28820392/orally-administered-angiotensin-converting-enzyme-inhibitors-captopril-and-isoleucine-proline-proline-have-distinct-effects-on-local-renin-angiotensin-system-and-corticosterone-synthesis-in-dextran-sulfate-sodium-induced-colitis-in-mice
#4
H Salmenkari, M Holappa, R A Forsgard, R Korpela, H Vapaatalo
The effects of angiotensin-converting enzyme (ACE) inhibition by an antihypertensive drug, captopril, and milk casein-derived ACE-inhibiting bioactive tripeptide isoleucine-proline-proline (Ile-Pro-Pro), on local renin-angiotensin system (RAS) and glucocorticoid production in the intestine were studied in the dextran sodium sulfate induced colitis in mice. Mice received water or 3% dextran sodium sulfate with or without either 15.7 mg/l captopril or 833 mg/l Ile-Pro-Pro for 7 days. Captopril and Ile-Pro-Pro were found to have distinct effects on local renin-angiotensin system and mRNA expression of glucocorticoid synthesis components in colon in vitro...
June 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28820235/tio2-containing-carbon-derived-from-a-metal-organic-framework-composite-a-highly-active-catalyst-for-oxidative-desulfurization
#5
Biswa Nath Bhadra, Ji Yoon Song, Nazmul Abedin Khan, Sung Hwa Jhung
A new metal-organic framework (MOF) composite consisting of Ti- and Zn-based MOFs (ZIF-8(x)@H2N-MIL-125; in brief, ZIF(x)@MOF) was designed and synthesized. The pristine MOF [H2N-MIL-125 (MOF)]- and an MOF-composite [ZIF(30)@MOF]-derived mesoporous carbons consisting of TiO2 nanoparticles were prepared by pyrolysis (named MDC-P and MDC-C, respectively). MDC-C showed a higher surface area, larger pore sizes, and larger mesopore volumes than MDC-P. In addition, the TiO2 nanoparticles on MDC-C have more uniform shapes and sizes, and are smaller than those of MDC-P...
August 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28820218/photophysical-characterization-and-time-resolved-spectroscopy-of-a-anthradithiophene-dimer-exploring-the-role-of-conformation-in-singlet-fission
#6
Jacob C Dean, Ruomeng Zhang, Rawad K Hallani, Ryan D Pensack, Samuel N Sanders, Daniel G Oblinsky, Sean R Parkin, Luis M Campos, John E Anthony, Gregory D Scholes
Quantitative singlet fission has been observed for a variety of acene derivatives such as tetracene and pentacene, and efforts to extend the library of singlet fission compounds is of current interest. Preliminary calculations suggest anthradithiophenes exhibit significant exothermicity between the first optically-allowed singlet state, S1, and 2 × T1 with an energy difference of >5000 cm(-1). Given the fulfillment of this ingredient for singlet fission, here we investigate the singlet fission capability of a difluorinated anthradithiophene dimer (2ADT) covalently linked by a (dimethylsilyl)ethane bridge and derivatized by triisobutylsilylethynyl (TIBS) groups...
August 18, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28820061/renin-angiotensin-system-and-cytokines-in-chronic-kidney-disease-clinical-and-experimental-evidence
#7
Ariadna Andrade Saldanha Silva, Beranardo Bahia Finotti, Amanda Oliveira Lauar, Thiago Ruiz Rodrigues Prestes, Ana Cristina Simões E Silva
Chronic kidney disease (CKD) has become a major public health problem in Brazil and worldwide. There are many causes of CKD, being the congenital anomalies of the kidney and urinary tract and the glomerular diseases very common in pediatric patients, while diabetic nephropathy, CKD due to chronic arterial hypertension and glomerular diseases are predominant in adult patients. Many endogenous mediators have been related to the pathophysiology of CKD, being relevant the effects of the renin-angiotensin system (RAS) and the immune-inflammatory mediators including cytokines...
August 18, 2017: Protein and Peptide Letters
https://www.readbyqxmd.com/read/28820057/impact-of-angiotensin-converting-enzyme-inhibitors-angiotensin-receptors-blockers-on-mortality-in-acute-heart-failure-patients-with-left-ventricular-systolic-dysfunction-in-the-middle-east-observations-from-the-gulf-acute-heart-failure-registry-gulf-care
#8
Ibrahim Al-Zakwani, Kadhim Sulaiman, Jawad A Al-Lawati, Alawi A Alsheikh-Ali, Prashanth Panduranga, Khalid F AlHabib, Jassim Al Suwaidi, Wael Al-Mahmeed, Hussam AlFaleh, Abdelfatah Elasfar, Ahmed Al-Motarreb, Mustafa Ridha, Bassam Bulbanat, Mohammed Al-Jarallah, Nooshin Bazargani, Nidal Asaad, Haitham Amin
AIMS: To evaluate the impact of angiotensin-converting enzyme inhibitors (ACEIs)/angiotensin receptors blockers (ARBs) on in-hospital, 3- and 12-month all-cause mortality in acute heart failure (AHF) patients with left ventricular systolic dysfunction in 7 countries of the Middle East. METHODS AND RESULTS: Data was analysed from 2,683 consecutive patients admitted with AHF and low ventricular ejection fraction (LVEF) (<40%) from 47 hospitals from February to November, 2012...
August 17, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/28818728/fractionation-of-lignin-macromolecules-by-sequential-organic-solvents-systems-and-their-characterization-for-further-valuable-applications
#9
Shin Young Park, Jae-Young Kim, Hye Jung Youn, Joon Weon Choi
Lignin solvent fractionation is one of the promising methods for homogenizing and utilizing lignin commercially. In this work, fractionation characteristics of two lignin fractions were compared to investigate the potential of utilization of fractionated lignin. Two lignins [milled wood lignin(MWL) and organosolv lignin(OL) from yellow poplar] were sequentially fractionated with ethyl acetate(F1), 2-butanone(F2), methanol(F3), acetone(F4), and dioxane/water(F5). Yields of five MWL fractions F1 to F5 were 11...
August 14, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28818177/angioedema
#10
Janina Hahn, Thomas K Hoffmann, Bastian Bock, Melanie Nordmann-Kleiner, Susanne Trainotti, Jens Greve
BACKGROUND: Acute angioedema of the upper airways can be life-threatening. An important distinction is drawn between mast-cell-mediated angioedema and bradykinin-mediated angioedema; the treatment of these two entities is fundamentally different. METHODS: This review is based on pertinent articles retrieved by a selective search in PubMed and on guidelines concerning the treatment of angioedema. The authors draw on their own clinical experience in their assessment of the literature...
July 24, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/28818058/evaluation-of-therapy-management-and-outcome-in-takotsubo-syndrome
#11
Nadine Abanador-Kamper, Lars Kamper, Judith Wolfertz, Witali Pomjanski, Anamaria Wolf-Pütz, Melchior Seyfarth
BACKGROUND: To date there is no validated evidence for standardized treatment of patients with Takotsubo syndrome (TTS). Medication therapy after final TTS diagnosis remains unclear. Previous data on patient outcome is ambivalent. Aim of this study was to evaluate medication therapy in TTS and to analyze patient outcome. METHODS: Within an observational retrospective cohort study we analyzed our medical records and included 72 patients with TTS that underwent cardiovascular magnetic resonance imaging (CMR) after a median of 2 days interquartile range (IQR 1-3...
August 17, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28817114/trauma-informed-care-in-the-newborn-intensive-care-unit-promoting-safety-security-and-connectedness
#12
M R Sanders, S L Hall
Both babies and their parents may experience a stay in the newborn intensive care unit (NICU) as a traumatic or a 'toxic stress,' which can lead to dysregulation of the hypothalamic-pituitary-adrenal axis and ultimately to poorly controlled cortisol secretion. Toxic stresses in childhood or adverse childhood experiences (ACEs) are strongly linked to poor health outcomes across the lifespan and trauma-informed care is an approach to caregiving based on the recognition of this relationship. Practitioners of trauma-informed care seek to understand clients' or patients' behaviors in light of previous traumas they have experienced, including ACEs...
August 17, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28816627/transfiguring-desire-divining-the-origin-of-species
#13
Sonny Nordmarken, Samuel Ace
In this piece, we combine autoethnographic and poetic methods/genres to examine intimate and social experiences we have had as two transmasculine queers with complex sexual and gender histories in an intergenerational relationship. If queerness/transness is a "species," our title, playing on Darwin, promises an answer to oft-asked problematic questions of queer/trans origins. Refusing to address this question, we instead turn Darwin on himself and examine intimate moments in our lives to show how we have experienced the constant formation and personal evolution of desire and identity...
August 17, 2017: Journal of Lesbian Studies
https://www.readbyqxmd.com/read/28816537/evaluating-the-prescription-of-angiotensin-converting-enzyme-inhibitors-or-receptor-blockers-in-patients-with-diabetes-in-jordan
#14
Fadia Mayyas, Wa'ed Bataineh, Anan Jarab
OBJECTIVE: The angiotensin converting enzyme inhibitors (ACEIs) and angiotensin II receptor blockers (ARBs) are guideline-recommended agents to prevent development and progression of nephropathy and cardiovascular diseases in diabetic Mellitus (DM). The aim of this study was to evaluate the prescription of ACEIs/ARBs in DM patients with guideline indications. METHOD: electronic data files for diabetes patients were retrospectively reviewed at a primary care setting northern Jordan...
August 17, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28816530/hemoglobin-a1c-blood-pressure-and-ldl-cholesterol-control-among-hispanic-latino-adults-with-diabetes-results-from-the-hispanic-community-health-study-study-of-latinos-hchs-sol
#15
Sarah Stark Casagrande, Larissa Aviles-Santa, Leonor Corsino, Martha L Daviglus, Linda C Gallo, Rebeca A Espinoza Giacinto, Maria M Llabre, Samantha A Reina, Peter J Savage, Neil Schneiderman, Gregory A Talavera, Catherine C Cowie
OBJECTIVE: To determine the prevalence of Hispanic/Latino adults with diabetes who meet target A1c, blood pressure (BP), and LDL cholesterol (LDL-C) recommendations, and ACE (angiotensin-converting enzyme inhibitors)/ARB (angiotensin receptor blocker) and statin medication use, by heritage and sociodemographic and diabetes-related characteristics. METHODS: Data were cross-sectional, collected between 2008-2011, and included adults age 18-74 years who reported a physician diagnosis of diabetes in the Hispanic Community Health Study/Study of Latinos (N=2,148)...
August 17, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28815356/dent-disease-in-poland-what-we-have-learned-so-far
#16
Marcin Zaniew, Małgorzata Mizerska-Wasiak, Iga Załuska-Leśniewska, Piotr Adamczyk, Katarzyna Kiliś-Pstrusińska, Adam Haliński, Jan Zawadzki, Beata S Lipska-Ziętkiewicz, Krzysztof Pawlaczyk, Przemysław Sikora, Michael Ludwig, Maria Szczepańska
PURPOSE: Dent disease (DD) is a rare tubulopathy characterized by proximal tubular dysfunction leading to chronic kidney disease (CKD). The aim of the study was to characterize patients with DD in Poland. METHODS: A retrospective analysis of a national cohort with genetically confirmed diagnosis. RESULTS: Of 24 males, all patients except one carried mutations in the CLCN5 gene; in one patient a mutation in the OCRL gene was disclosed. Molecular diagnosis was delayed 1 year on average (range 0-21 years)...
August 16, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28814250/angiotensin-converting-enzymes-ace-and-ace2-as-potential-targets-for-malignant-epithelial-neoplasia-review-and-bioinformatics-analyses-focused-in-oral-squamous-cell-carcinoma
#17
Carlos Alberto Carvalho Fraga, Lucyana Conceição Farias, Alfredo Maurício Batista de Paula, André Guimarães, Kimberly Marie Jones
The Renin-Angiotensin System (RAS) has emerged as being related to vascular disease. Recently the RAS has been associated with obesity, diabetes, and even cancer. This review focuses on the therapeutic potential of angiotensin converting enzyme (ACE) inhibitors for Oral Squamous Cell Carcinoma (OSCC). Considering the limited literature, Bioinformatics analyses was performed to identify possible effects of ACE inhibitors in OSCC. The current review intends to more fully explore the potential benefits of ACE inhibitors for OSCC patients...
August 15, 2017: Protein and Peptide Letters
https://www.readbyqxmd.com/read/28814101/antioxidative-sulphated-polygalactans-from-marine-macroalgae-as-angiotensin-i-converting-enzyme-inhibitors
#18
Fasina Makkar, Kajal Chakraborty
Antioxidant and antihypertensive potential of the sulphated polygalactans isolated from the marine macroalgae Kappaphycus alvarezii and Gracilaria opuntia were assessed by utilising different in vitro systems. The galactans isolated from K. alvarezii possessed significantly greater antioxidative properties as determined by 2,2-diphenyl-1-picrylhydrazyl (DPPH IC90 0.97 mg/mL) and 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid (ABTS(.+) IC90 0.72 mg/mL) scavenging activities than those isolated from G...
August 17, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28813764/incidental-finding-of-giant-left-ventricular-aneurysm-case-report-and-literature-review
#19
Muhammad Omar, Shenjing Li, Amornpol Anuwatworn
Left ventricular aneurysms and pseudoaneurysms are complications of myocardial infarction. With advances in percutaneous coronary intervention, development of thrombolytic agents, and early initiation of treatment with angiotensin-converting enzyme inhibitors to decrease afterload and inhibit left ventricular remodeling, these complications have become much less common. Here, we report an incidental finding of a giant aneurysm of the left ventricle with associated thrombus and mural calcifications in an elderly male patient who presented to his primary care physician for abdominal pain and denied any prior coronary artery disease...
June 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28813594/facile-purification-of-milligram-to-gram-quantities-of-condensed-tannins-according-to-mean-degree-of-polymerization-and-flavan-3-ol-subunit-composition
#20
Ron Herbert Brown, Irene Mueller-Harvey, Wayne E Zeller, Laurie Reinhardt, Elisabetta Stringano, An Gea, Chris Drake, Honorata M Ropiak, Christos Fryganas, Aina Ramsay, Emily E Hardcastle
Unambiguous investigation of condensed tannin (CT) structure-activity relationships in biological systems requires well-characterized, high-purity CTs. Sephadex LH-20 and Toyopearl HW-50F resins were compared for separating CTs from acetone/water extracts and column fractions analyzed for flavan-3-ol subunits, mean degree of polymerization (mDP) and purity. Toyopearl HW-50F generated fractions with higher mDP values and better separation of procyanidins (PC) and prodelphinidins (PD) but required a pre-purification step, more time for large scale purifications and gave poorer recoveries...
August 16, 2017: Journal of Agricultural and Food Chemistry
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