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https://www.readbyqxmd.com/read/28806734/mental-health-among-single-and-partnered-parents-in-south-korea
#1
Kyoung Ae Kong, Hee Yeon Choi, Soo In Kim
OBJECTIVE: This study compares the mental health of single parents relative to partnered parents and assesses the contribution of the social and demographic factors to this difference, examining the gender difference in it. METHODS: We analyzed 12,024 single and partnered subjects, aged 30-59 years, living with children, aged 0-19 years, drawn from the 4th, 5th, and 6th Korea National Health and Nutrition Examination Survey (KNHANES) dataset in South Korea conducted from 2007-2013...
2017: PloS One
https://www.readbyqxmd.com/read/28806733/the-interaction-between-endogenous-30s-ribosomal-subunit-protein-s11-and-cucumber-mosaic-virus-ls2b-protein-affects-viral-replication-infection-and-gene-silencing-suppressor-activity
#2
Ruilin Wang, Zhiyou Du, Zhenqing Bai, Zongsuo Liang
Cucumber mosaic virus (CMV) is a model virus for plant-virus protein interaction and mechanism research because of its wide distribution, high-level of replication and simple genome structure. The 2b protein is a multifunctional protein encoded by CMV that suppresses RNA silencing-based antiviral defense and contributes to CMV virulence in host plants. In this report, 12 host proteins were identified as CMV LS2b binding partners using the yeast two-hybrid screen system from the Arabidopsis thaliana cDNA library...
2017: PloS One
https://www.readbyqxmd.com/read/28806699/a-portable-synthesis-of-water-soluble-carbon-dots-for-highly-sensitive-and-selective-detection-of-chlorogenic-acid-based-on-inner-filter-effect
#3
Huan Yang, Liu Yang, Yusheng Yuan, Shuang Pan, Jidong Yang, Jingjing Yan, Hui Zhang, Qianqian Sun, Xiaoli Hu
In this work, a simple and facile hydrothermal method for synthesis of water-soluble carbon dots (CDs) with malic acid and urea, and were then employed as a high-performance fluorescent probe for selective and sensitive determination of chlorogenic acid (CGA) based on inner filter effect. The as-synthesized CDs was systematically characterized by Transmission electron microscopy (TEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), Energy disperse spectroscopy (EDS), UV-vis absorption spectroscopy, spectrofluorophotometry, and the results indicated that the sizes of CDs were mainly distributed in the range of 1...
August 1, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28806604/chemodiversity-of-tryptamine-derived-alkaloids-in-six-costa-rican-palicourea-species-rubiaceae-palicoureeae
#4
Andreas Berger, Elias Tanuhadi, Lothar Brecker, Johann Schinnerl, Karin Valant-Vetschera
We report 14 harmala and tryptamine-iridoid alkaloids with various tri-, tetra- and pentacyclic cores from leaves and stem bark of six species of the large and complex neotropical genus Palicourea. Among them is the previously undescribed compound deoxostrictosamide which is related to strictosamide, a key intermediate in camptothecin biosynthesis. In addition, we describe the occurrence of 1,2,3,4-tetrahydronorharman-1-one for the first time within Rubiaceae and ophiorine A and B, two alkaloids with an unusual core bearing a betaine function and a zwitterion as new for the genus...
August 11, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28806527/a-2d-substitutional-solid-solution-through-hydrogen-bonding-of-molecular-building-blocks
#5
Jennifer M Macleod, Josh Lipton-Duffin, Chaoying Fu, Tyler Taerum, Dmitrii F Perepichka, Federico Rosei
Two-dimensional (2D) molecular self-assembly allows for the formation of well-defined supramolecular layers with tailored geometrical, compositional and chemical properties. To date, random intermixing and entropic effects in these systems have largely been associated with crystalline disorder and glassy phases. Here we describe a 2D crystalline self-assembled molecular system that exhibits random incorporation of substitutional molecules. The lattice is formed from a mixture of trimesic acid (TMA) and terthienobenzenetricarboxylic acid (TTBTA), C3-symmetric hydrogen-bonding units of very different sizes (0...
August 14, 2017: ACS Nano
https://www.readbyqxmd.com/read/28806500/doxepin-mitigates-noise-induced-neuronal-damage-in-primary-auditory-cortex-of-mice-via-suppression-of-acid-sphingomyelinase-ceramide-pathway
#6
Yu-Ting Su, Xing-Xing Meng, Xi Zhang, Yi-Bin Guo, Hai-Jun Zhang, Yao-Ping Cheng, Xiao-Ping Xie, Yao-Ming Chang, Jun-Xiang Bao
Neuronal damage in primary auditory cortex (A1) underlies complex manifestations of noise exposure, prevention of which is critical for health maintenance. Acid sphingomyelinase (ASM) catalyzes generation of ceramide (Cer) which if over-activated mediates neuronal disorders in various diseases. Tricyclic antidepressants (TCAs), by restraining ASM/Cer, benefits multiple neuronal anomalies, so we aimed to elucidate the effect of TCA on noise induced hearing loss and auditory cortex derangement, unraveling mechanism involved...
August 14, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28806489/characteristics-of-spontaneous-births-attended-by-midwives-and-physicians-in-us-hospitals-in-2014
#7
Patrick Thornton
INTRODUCTION: This study compares characteristics and birth outcomes of women attended by certified nurse-midwives/certified midwives (midwives) and physicians in US hospitals in 2014. METHODS: Data reported in 2014 on the 2003 version of the US birth certificate were examined. Spontaneous vaginal births attributed to midwives and physicians and occurring in hospitals were included. Demographic and risk profiles and adjusted odds ratios for maternal and newborn outcomes were compared by provider type...
August 14, 2017: Journal of Midwifery & Women's Health
https://www.readbyqxmd.com/read/28806382/orbital-cellulitis-following-orbital-blow-out-fracture
#8
Je Yeon Byeon, Hwan Jun Choi
Orbital cellulitis and abscess have been described in the literature as complication that usually occur secondary to infection in the maxillary, ethmoidal, and frontal sinuses. If left untreated, it can lead to blindness, cavernous sinus thrombosis, meningitis, or cerebral abscess. Orbital fractures are a common sequela of blunt orbital trauma, but are only rarely associated with orbital cellulitis. So, the authors present rare orbital cellulitis after orbital blow-out fracture. A 55-year-old Asian complains of severe orbital swelling and pain on the left side...
August 10, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28806057/rational-design-and-multi-biological-profiling-of-novel-donepezil-trolox-hybrids-against-alzheimer-s-disease-with-cholinergic-antioxidant-neuroprotective-and-cognition-enhancing-properties
#9
Pei Cai, Si-Qiang Fang, Xue-Lian Yang, Jia-Jia Wu, Qiao-Hong Liu, Hao Hong, Xiao-Bing Wang, Lingyi Kong
A novel series of donepezil-trolox hybrids were designed, synthesized and evaluated as multifunctional ligands against Alzheimer's disease (AD). Biological assays showed that these derivatives possessed moderate to good inhibitory activities against acetylcholinesterase (AChE) and monoamine oxidase B (MAO-B) as well as remarkable antioxidant effects. The optimal compound 6d exhibited balanced functions with good inhibition against hAChE (IC50 = 0.54 μM) and hMAO-B (IC50 = 4.3 μM), significant antioxidant activity (41...
August 14, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28805864/novel-synthesis-of-magnetic-porous-c-znfe2o4-photocatalyst-with-enhanced-activity-under-visible-light-based-on-the-fenton-like-reaction
#10
Fangxiao Wang, Yanglin Chen, Rongshu Zhu, Jianmin Sun
Magnetic visible-light-driven photocatalyst, porous C/ZnFe2O4 (denoted as C/ZFO-CE) was fabricated via a CO2-mediated ethanol route. CO2-mediated ethanol route largely mitigated the solvent strength and facilitated the homogenous deposition of ZnFe2O4 (ZFO) through the coordination of metallic cation with CO3(2-) and HCO3(-) anions, which were hydrolyzed from CO2 and H2O, thereby avoiding additional precipitant. Moreover, the HCO3(-), CO3(2-) and NO3(-) in the system acted as templates for the formation of porous C avoiding the additional organic mesoporous templates, thus reducing the synthesis cost...
August 14, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28805846/a-photochromic-prototype-based-on-difurylperhydrocyclopentene-with-remarkable-photoswitching-behavior-and-in-vivo-application
#11
Shangshang Wang, Yunyun Zhou, Liangliang Zhu, Junji Zhang, Qi Zou, Tao Zeng, Wenbo Chen
A new strategy has been developed to synthesize difurylperhydrocyclopentene derivatives. The compound displays reversible photochromism in solution and thin-film. The results show that furan is superior to thiophene in terms of strong fluorescence, higher photocyclization conversion and cyclization quantum yield, as well as better fatigue resistance. Owing to the molecule being derived absolutely from C, H, and O atoms, the compound exhibits no cytotoxicity, which enables it to potentially serve as a biodegradable and biorenewable material for in vivo applications...
August 14, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28805836/dinuclear-zinc-complex-catalyzed-asymmetric-methylation-and-alkynylation-of-aromatic-aldehydes
#12
Shanshan Liu, Gao-Wei Li, Xiao-Chao Yang, De-Yang Zhang, Min-Can Wang
A general AzePhenol dinuclear zinc catalytic system has been successfully developed and introduced into the asymmetric addition of dimethylzinc and alkynylzinc to aromatic aldehydes. In this system, an azetidine derived chiral ligand has proven to be an effective enantioselective promoter. Under the optimal reaction conditions, a series of chiral 1-hydroxyethyl (up to 99% ee) and secondary propargylic alcohols (up to 96% ee) were generated with good yields and enantioselectivities. Additionally, this novel catalytic system showed good functional group compatibility...
August 14, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28805729/systems-biology-approach-to-bioremediation-of-nitroaromatics-constraint-based-analysis-of-2-4-6-trinitrotoluene-biotransformation-by-escherichia-coli
#13
Maryam Iman, Tabassom Sobati, Yunes Panahi, Meysam Mobasheri
Microbial remediation of nitroaromatic compounds (NACs) is a promising environmentally friendly and cost-effective approach to the removal of these life-threating agents. Escherichia coli (E. coli) has shown remarkable capability for the biotransformation of 2,4,6-trinitro-toluene (TNT). Efforts to develop E. coli as an efficient TNT degrading biocatalyst will benefit from holistic flux-level description of interactions between multiple TNT transforming pathways operating in the strain. To gain such an insight, we extended the genome-scale constraint-based model of E...
August 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28805700/bilp-19-an-ultramicroporous-organic-network-with-exceptional-carbon-dioxide-uptake
#14
Christoph Klumpen, Florian Radakovitsch, Andreas Jess, Jürgen Senker
Porous benzimidazole-based polymers (BILPs) have proven to be promising for carbon dioxide capture and storage. The polarity of their chemical structure in combination with an inherent porosity allows for adsorbing large amounts of carbon dioxide in combination with high selectivities over unpolar guest molecules such as methane and nitrogen. For this reason, among purely organic polymers, BILPs contain some of the most effective networks to date. Nevertheless, they are still outperformed by competitive materials such as metal-organic frameworks (MOFs) or metal doped porous polymers...
August 12, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28805586/sexual-dysfunctions-in-parkinson-s-disease-an-underrated-problem-in-a-much-discussed-disorder
#15
Kalyan B Bhattacharyya, Miguel Rosa-Grilo
Sexual dysfunctions (SDs) are one of the most neglected nonmotor symptoms in Parkinson's disease (PD). A number of reasons including social and cultural factors might explain, at least partially, why SD is still one of the most underrecognized aspects of the condition after 200 years since the very first description by James Parkinson. SD has not been extensively investigated, however, a number of studies have shown a high prevalence of decreased libido, orgasmic dysfunction in both men and women with PD, and erectile dysfunction in male subjects...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28805566/botulinum-toxin-therapy-for-nonmotor-aspects-of-parkinson-s-disease
#16
Jarosław Sławek, Mariusz Madaliński
The medical treatment of Parkinson's disease (PD) is symptomatic both in terms of motor and nonmotor aspects. The nonmotor symptoms therapy should be taken into account as many of them negatively influence the quality of life and are treatable. Botulinum neurotoxin (BoNT) offers effective treatment for drooling and bladder dysfunctions and alternative treatment for constipation and pain related to parkinsonism. BoNT for drooling is probably the best-documented therapy for nonmotor symptoms by clinical trials...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28805518/the-pace-trial-missteps-on-pacing-and-patient-selection
#17
Leonard A Jason
As others have pointed out a variety of complicating factors with the PACE trial (e.g. changing outcome criteria), I will limit my remarks to issues that involve the composition of adaptive pacing therapy and issues involving patient selection. My key points are that the PACE trial investigators were not successful in designing and implementing a valid pacing intervention and patient selection ambiguity further compromised the study's outcomes.
August 2017: Journal of Health Psychology
https://www.readbyqxmd.com/read/28805491/intermedin-inhibits-unilateral-ureteral-obstruction-induced-oxidative-stress-via-nadph-oxidase-nox4-and-camp-dependent-mechanisms
#18
Xi Qiao, Lihua Wang, Yanhong Wang, Xiaole Su, Yue Qi, Yun Fan, Zhiqiang Peng
NADPH oxidase Nox4-derived reactive oxygen species (ROS) play important roles in renal fibrosis. Our previous study demonstrated that intermedin (IMD) alleviated unilateral ureteral obstruction (UUO)-induced renal fibrosis by inhibition of ROS. However, the precise mechanisms remain unclear. Herein, we investigated the effect of IMD on Nox4 expression and NADPH oxidase activity in rat UUO model, and explored if these effect were achieved through cAMP-PKA pathway, the important post-receptor signal transduction pathway of IMD, in TGF-β1-stimulated rat proximal tubular cell (NRK-52E)...
November 2017: Renal Failure
https://www.readbyqxmd.com/read/28805485/transcriptional-activity-of-transposable-elements-may-contribute-to-gene-expression-changes-in-the-syncytium-formed-by-cyst-nematode-in-arabidopsis-roots
#19
Sarbottam Piya, Morgan Bennett, Aditi Rambani, Tarek Hewezi
Transposable elements (TEs) are mobile genetic materials that constitute a large fraction of plant genomes. Recent experimental evidences indicate that TEs can play key regulatory roles in controlling the expression of adjacent genes during plant development and stress responses. Nevertheless, information about the transcriptional activity of TEs and their impact on proximal genes during plant-nematode interaction remains largely unknown. Here, we identify of differentially expressed TEs and report their possible influence on the expression of nearby genes during the susceptible interaction between the beet cyst nematode Heterodera schachtii and Arabidopsis thaliana...
August 14, 2017: Plant Signaling & Behavior
https://www.readbyqxmd.com/read/28805366/simultaneous-top-and-bottom-perovskite-interface-engineering-by-fullerene-surface-modification-of-titanium-dioxide-as-electron-transport-layer
#20
John Ciro, Santiago Mesa, Juan Felipe Montoya, Jose Ignacio Uribe, Rafael Betancur, Franklin Jaramillo
Optimization of the interface between the electron transport layer (ETL) and hybrid perovskite is crucial to achieve high performance perovskite solar cell (PSC) devices. Fullerene-based compounds have attracted attention as modifiers on the surface properties of TiO2, the archetypal ETL in regular n-i-p PSCs. However, the partial solubility of fullerenes in the aprotic solvents used for perovskite deposition hinders its application to low-temperature solution-processed PSCs. In this work, we introduce a new method for fullerene modification of TiO2 layers derived from nanoparticles (NPs) inks...
August 14, 2017: ACS Applied Materials & Interfaces
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