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https://www.readbyqxmd.com/read/29043635/detection-of-dna-rna-hybrids-in-vivo
#1
María García-Rubio, Sonia I Barroso, Andrés Aguilera
DNA-RNA hybrids form naturally during essential cellular functions such as transcription and replication. However, they may be an important source of genome instability, a hallmark of cancer and genetic diseases. Detection of DNA-RNA hybrids in cells is becoming crucial to understand an increasing number of molecular biology processes in genome dynamics and function and to identify new factors and mechanisms responsible for disease in biomedical research. Here, we describe two different procedures for the reliable detection of DNA-RNA hybrids in the yeast Saccharomyces cerevisiae and in human cells: DNA-RNA Immunoprecipitation (DRIP) and Immunofluorescence...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29043436/cervical-dilation-balloon-combined-with-intravenous-drip-of-oxytocin-for-induction-of-term-labor-a-multicenter-clinical-trial
#2
Xueqin Wu, Chunxiang Wang, Yufang Li, Chunmei Ouyang, Jiaying Liao, Weibin Cai, Yilei Zhong, Jianping Zhang, Hui Chen
OBJECTIVE: This study aimed to investigate the effectiveness and safety of a method combining double-balloon catheter for cervical ripening and intravenous drip of oxytocin on the induction of term labor, providing the reference for clinical safety. METHODS: A total of 120 pregnant women with a gestation between 37(+0) and  41(+6) weeks, indications of labor induction, singleton pregnancy with cephalic presentation were enrolled. The patients were divided into the research group receiving cervical dilation balloon combined with intravenous drip of oxytocin and the control group receiving an intravenous drip of oxytocin at a concentration of 0...
October 17, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29040852/blackwater-treatment-using-vertical-greening-efficiency-and-microbial-community-structure
#3
Zhan Jin, Xinyu Xie, Jin Zhou, Ke Bei, Yejian Zhang, Xianfeng Huang, Min Zhao, Hainan Kong, Xiangyong Zheng
This study assesses the use of vertical greening for blackwater treatment. The effects of hydraulic retention time (HRT) and drip frequency on treatment performance were systematically studied. Additionally, microbial communities in the vertical greening system were characterized. The results show that the removal efficiencies of NH4(+)-N and total phosphate (TP) increased with an increase in HRT, and the drip frequency had a significant effect on TP. High-throughput sequencing revealed that the diversity of the microbial community did not change significantly along vertical and horizontal directions, but the dominant species shifted...
September 28, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/29029265/preclinical-testing-of-a-broad-spectrum-antimicrobial-endotracheal-tube-coated-with-an-innate-immune-synthetic-mimic
#4
Marjan M Hashemi, John Rovig, Jordan Bateman, Brett S Holden, Tomasz Modelzelewski, Iliana Gueorguieva, Martin von Dyck, Ronald Bracken, Carl Genberg, Shenglou Deng, Paul B Savage
Background: Endotracheal tubes provide an abiotic surface on which bacteria and fungi form biofilms, and the release of endotoxins and planktonic organisms can cause damaging inflammation and infections. Objectives: Ceragenins are small molecule mimics of antimicrobial peptides with broad-spectrum antibacterial and antifungal activity, and a ceragenin may be used to provide antimicrobial protection to the abiotic surface of an endotracheal tube. Methods: A hydrogel film, containing CSA-131, was generated on endotracheal tubes...
October 4, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29025667/adhesion-forces-of-biofilms-developed-in-vitro-from-clinical-strains-of-skin-wounds
#5
Elizabeth Alvarado-Gomez, Mario Perez-Diaz, Donato Valdez-Perez, Jaime Ruiz-Garcia, Martin Magaña-Aquino, Gabriel Martinez-Castañon, Fidel Martinez-Gutierrez
A biofilm is a very complex consortium formed by a mix of different microorganisms, which have become an important health problem, because its formation is a resistance mechanism used by bacteria against antibiotics or the immune system. In this work, we show differences between some physicochemical properties of biofilms in mono- and multi-species, formed by bacteria from clinical samples of infected chronic wounds. Of the most prevalent bacteria in wounds, two mono- and one multi-species biofilms were developed in vitro by Drip Flow Reactor: one biofilm was developed by S...
January 1, 2018: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/29019131/dige-analysis-of-animal-tissues
#6
Alessio Di Luca, Ruth Hamill, Anne Maria Mullen, Giuliano Elia
Two-dimensional difference gel electrophoresis (2D-DIGE) is an acrylamide gel electrophoresis-based technique for protein separation and quantification in complex mixtures. The technique addresses some of the drawbacks of conventional 2D polyacrylamide gel electrophoresis (2D-PAGE), offering improved sensitivity, more limited experimental variation and accurate within-gel matching. DIGE is based on direct labeling of proteins with isobaric fluorescent dyes (known as CyDyes: Cy2, Cy3, and Cy5) prior to isoelectric focusing (IEF)...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29018603/assessment-on-the-coupling-effects-of-drip-irrigation-and-organic-fertilization-based-on-entropy-weight-coefficient-model
#7
Fenglin Zhong, Maomao Hou, Bizhu He, Iouzen Chen
Water and fertilizer are two important factors influencing crop growth, development and yield formation. To investigate their combined effects on the soil-plant system, and to find out the optimal water and organic fertilizer coupling strategy for tomato (Solanum lycopersicum L), an experiment was carried out from May to October in 2016 in the south of China. The experiment consisted of three drip irrigation quotas (150, 180, 210 m(3)/ha) and three organic fertilizer application amounts (2,800, 3,600, 4,400 kg/ha)...
2017: PeerJ
https://www.readbyqxmd.com/read/29016626/effectiveness-of-proton-pump-inhibitor-in-unexplained-chronic-cough
#8
Hye Jung Park, Yoo Mi Park, Jie-Hyun Kim, Hye Sun Lee, Hyung Jung Kim, Chul Min Ahn, Min Kwang Byun
BACKGROUND: Current guidelines recommend that patients with unexplained chronic cough undergo empirical proton pump inhibitor (PPI) treatment, but scientific evidence for this treatment is lacking. We investigated the effectiveness and appropriate dose of PPI therapy in chronic cough. METHODS: We included 27 patients with unexplained chronic cough after excluding subjects with positive response to postnasal drip medication. Subjects were randomized to a placebo, standard, and high dose of PPI groups with blinding...
2017: PloS One
https://www.readbyqxmd.com/read/28992008/effects-of-dietary-l-methionine-supplementation-on-the-growth-performance-carcass-characteristics-meat-quality-and-muscular-antioxidant-capacity-and-myogenic-gene-expression-in-low-birth-weight-pigs
#9
Y Li, H Zhang, Y P Chen, Z X Ying, W P Su, L L Zhang, T Wang
The aim of the present study was to investigate the effects of dietary Met supplementation on the growth performance, carcass characteristics, meat quality, and muscular antioxidant capacity and myogenic gene expression in low birth weight (LBW) pigs. Thirty normal birth weight (NBW) and 60 LBW female piglets were selected at birth. In each litter, after weaning, 1 of the LBW piglets (LBW-CON group) and 1 of the NBW piglets (NBW-CON group) were fed the basal diets and 1 LBW littermate was fed the basal diet supplemented with Met (LBW-MET group)...
September 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28990844/impact-of-nasal-conditions-on-chronic-otitis-media-a-cross-sectional-study-in-koreans
#10
Kyung Wook Heo, Min Jae Kim, Jun Ho Lee
OBJECTIVES: We evaluated the relationship between pathological nasal conditions and pathological middle ear conditions on a large-scale epidemiological basis, conducted as a cross-sectional study at the population level using Korean National Health and Nutrition Examination Survey (KNHANES) data. STUDY DESIGN: A cross-sectional study. METHODS: In a retrospective cohort study, we analyzed data from the KNHANES (2008-2012), which used a stratified, multi-stage, probability-cluster sampling method in a rolling sampling survey of South Korean citizens...
October 9, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28989596/the-automated-root-exudate-system-ares-a-method-to-apply-solutes-at-regular-intervals-to-soils-in-the-field
#11
Luis Lopez-Sangil, Charles George, Eduardo Medina-Barcenas, Ali J Birkett, Catherine Baxendale, Laëtitia M Bréchet, Eduard Estradera-Gumbau, Emma J Sayer
Root exudation is a key component of nutrient and carbon dynamics in terrestrial ecosystems. Exudation rates vary widely by plant species and environmental conditions, but our understanding of how root exudates affect soil functioning is incomplete, in part because there are few viable methods to manipulate root exudates in situ. To address this, we devised the Automated Root Exudate System (ARES), which simulates increased root exudation by applying small amounts of labile solutes at regular intervals in the field...
September 2017: Methods in Ecology and Evolution
https://www.readbyqxmd.com/read/28985601/a-risk-based-approach-for-developing-standards-for-irrigation-with-reclaimed-water
#12
Mads Troldborg, Dominic Duckett, Richard Allan, Emily Hastings, Rupert L Hough
A generalised quantitative risk assessment (QRA) is developed to assess the potential harm to human health resulting from irrigation with reclaimed water. The QRA is conducted as a backward calculation starting from a pre-defined acceptable risk level at the receptor point (defined as an annual infection risk of 10(-4) for pathogens and by reference doses (RfD) for chemical hazards) and results in an estimate of the corresponding acceptable concentration levels of the given hazards in the effluent. In this way the QRA is designed to inform the level of water treatment required to achieve an acceptable risk level and help establish reclaimed water quality standards...
September 25, 2017: Water Research
https://www.readbyqxmd.com/read/28974784/determinants-of-broiler-chicken-meat-quality-and-factors-affecting-them-a-review
#13
REVIEW
Nasir Akbar Mir, Aasima Rafiq, Faneshwar Kumar, Vijay Singh, Vivek Shukla
Broiler production at mass level has already been achieved and now emphasis is being laid on increasing meat quality by altering various characteristics of broiler meat. Appearance, texture, juiciness, wateriness, firmness, tenderness, odor and flavor are the most important and perceptible meat features that influence the initial and final quality judgment by consumers before and after purchasing a meat product. The quantifiable properties of meat such as water holding capacity, shear force, drip loss, cook loss, pH, shelf life, collagen content, protein solubility, cohesiveness, and fat binding capacity are indispensable for processors involved in the manufacture of value added meat products...
September 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28959850/-action-mechanism-of-mahuang-xixin-fuzi-decoction-for-mice-with-influenza-based-on-metabolomics-information
#14
Qi-Hui Sun, Jing Zhang, Zhuang-Zhuang Li, Bao-Xiang Du, Hai-Qiang Jiang, Yong Yang, Qing-Tao Lv, Rong Rong
This study aimed to analyze the endogenous metabolite changes in the serum of mice infected with H1N1 virus after intervention by Mahuang-Xixin-Fuzi decoction (MXF) based on metabolomics method, investigate potential biomarkers and related metabolic pathways, and explore the therapeutic mechanism of MXF through metabolomics technology. Thirty-six Kunming (KM) mice were randomly divided into three groups: normal group, model group and MXF group. Influenza virus H1N1 was used by nasal drip to establish influenza mice model...
February 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28958534/encapsulating-anthocyanins-from-hibiscus-sabdariffa-l-calyces-by-ionic-gelation-pigment-stability-during-storage-of-microparticles
#15
Sílvia C S R de Moura, Carolina L Berling, Sílvia P M Germer, Izabela D Alvim, Míriam D Hubinger
Hibiscus extract (HE) has a strong antioxidant activity and high anthocyanin content; it can be used as a natural pigment, also adding potential health benefits. The objective of this work was the microencapsulation of HE anthocyanin by ionic gelation (IG) using two techniques: dripping-extrusion and atomization, both by means of a double emulsion (HE/rapseed oil/pectin) and a cross-linked solution (CaCl2). Particles (77-83% moisture content) were conditioned in acidified solution at 5, 15 and 25°C, absence of light, and evaluated for anthocyanins and color for 50-days...
February 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/28958438/production-of-sorbent-from-paper-industry-solid-waste-for-oil-spill-cleanup
#16
G Demirel Bayık, A Altın
The aim of the study is to select a cellulosic waste material from paper industry solid wastes and process it for sorbent production. Four different solid wastes were collected from a local paper production facility and rejects were selected due to its sorption capacity and processability. Oil sorption experiments were conducted according to the ASTM F 726-12 method. Effect of sorbent dosage, contact and dripping time, recovery of the oil, reusability of the sorbent and sorption from the water surface were also determined...
September 25, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28954541/standardized-reactors-for-the-study-of-medical-biofilms-a-review-of-the-principles-and-latest-modifications
#17
Inês B Gomes, Ana Meireles, Ana L Gonçalves, Darla M Goeres, Jelmer Sjollema, Lúcia C Simões, Manuel Simões
Biofilms can cause severe problems to human health due to the high tolerance to antimicrobials; consequently, biofilm science and technology constitutes an important research field. Growing a relevant biofilm in the laboratory provides insights into the basic understanding of the biofilm life cycle including responses to antibiotic therapies. Therefore, the selection of an appropriate biofilm reactor is a critical decision, necessary to obtain reproducible and reliable in vitro results. A reactor should be chosen based upon the study goals and a balance between the pros and cons associated with its use and operational conditions that are as similar as possible to the clinical setting...
September 27, 2017: Critical Reviews in Biotechnology
https://www.readbyqxmd.com/read/28950832/orbital-apex-syndrome-secondary-to-a-fungal-nasal-septal-abscess-caused-by-scedosporium-apiospermum-in-a-patient-with-uncontrolled-diabetes-a-case-report
#18
Ippei Kishimoto, Shogo Shinohara, Tetsuhiro Ueda, Shoichi Tani, Hajime Yoshimura, Yukihiro Imai
BACKGROUND: Orbital apex syndrome is a localized type of orbital cellulitis, where mass lesions occur at the apex of the cranial nerves. Although nasal septal abscess is uncommon, the organism most likely to cause nasal septal abscess is Staphylococcus aureus, and fungal septal abscesses are rare. Here we present an extremely rare and serious case of orbital apex syndrome secondary to fungal nasal septal abscess caused by Scedosporium apiospermum in a patient with uncontrolled diabetes...
September 26, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28947526/management-of-amiodarone-extravasation-with-intradermal-hyaluronidase
#19
Ashley N Fox, Ruben Villanueva, Jamie L Miller
PURPOSE: The case of a patient who experienced extravasation while receiving amiodarone via a peripheral infusion and was treated with intradermal hyaluronidase is reported. SUMMARY: A 60-year-old Caucasian man arrived at the emergency department after a motor vehicle collision. The patient was noted to have a subdural hematoma, multiple rib fractures, sternal body fracture, abdominal wall injury, left clavicle fracture, right humerus fracture, and vertebral fractures...
October 1, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28943764/effects-of-27-12-mhz-radio-frequency-on-the-rapid-and-uniform-tempering-of-cylindrical-frozen-pork-loin-longissimus-thoracis-et-lumborum
#20
Eun Ji Choi, Hae Woong Park, Hui Seon Yang, Jin Se Kim, Ho Hyun Chun
Quality characteristics of frozen cylindrical pork loin were evaluated following different tempering methods: 27.12 MHz curved-electrode radio frequency (RF) at 1000 and 1500 W, and forced-air convection (FC) or water immersion (WI) at 4°C and 20°C. The developed RF tempering system with the newly designed curved-electrode achieved relatively uniform tempering compared to a parallel-plate RF system. FC tempering at 4°C was the most time-consuming process, whereas 1500 W RF was the shortest. Pork sample drip loss, water holding capacity, color, and microbiological quality declined after WI tempering at 20°C...
2017: Korean Journal for Food Science of Animal Resources
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