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https://www.readbyqxmd.com/read/28748438/combined-fast-selective-reduction-using-mn-based-catalysts-and-nonthermal-plasma-for-nox-removal
#1
Jun Xiang Chen, Kuan Lun Pan, Sheng Jen Yu, Shaw Yi Yen, Moo Been Chang
In this study, the concept of fast SCR for NO reduction with NH3 as reducing agent is realized via the combination of nonthermal plasma (NTP) with Mn-based catalyst. Experimental results indicate that 10% wt. Mn-Ce-Ni/TiO2 possesses better physical and chemical properties of surface, resulting in higher NO removal efficiency if compared with 10% wt. Mn-Ce/TiO2 and 10% wt. Mn-Ce-Cu/TiO2. Mn-Ce-Ni/TiO2 of 10% wt. achieves 100% NOx conversion at 150 °C, while 10% wt. Mn-Ce/TiO2 and 10% wt. Mn-Ce-Cu/TiO2 need to be operated at a temperature above 200 °C for 100% NOx conversion...
July 26, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28748290/selection-for-novel-acid-tolerant-desulfovibrio-spp-from-a-closed-transbaikal-mine-site-in-a-temporal-ph-gradient-bioreactor
#2
Dmitry V Antsiferov, Tatiana S Fyodorova, Anastasia A Kovalyova, Anastasia Lukina, Yulia A Frank, Marat R Avakyan, David Banks, Olli H Tuovinen, Olga V Karnachuk
Almost all the known isolates of acidophilic or acid-tolerant sulphate-reducing bacteria (SRB) belong to the spore-forming genus Desulfosporosinus in the Firmicutes. The objective of this study was to isolate acidophilic/acid-tolerant members of the genus Desulfovibrio belonging to deltaproteobacterial SRB. The sample material originated from microbial mat biomass submerged in mine water and was enriched for sulphate reducers by cultivation in anaerobic medium with lactate as an electron donor. A stirred tank bioreactor with the same medium composition was inoculated with the sulphidogenic enrichment...
July 26, 2017: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/28745706/-the-combination-of-endoscopic-techniques-in-the-diagnosis-and-treatment-of-various-forms-of-infertility-in-women
#3
N N Akhundova
AIM: To improve the methods of simultaneous laparoscopy and hysteroscopy for the diagnosis and treatment of various forms of secondary infertility. MATERIAL AND METHODS: 420 women with various forms of infertility were examined and treated at the Caspian Hospital (Institute of Obstetrics and Gynecology). Patients were divided into three groups: tubal-peritoneal infertility - 212 women, different forms of endometriosis - 113 patients, polycystic ovarian disease - 95 women...
2017: Khirurgiia
https://www.readbyqxmd.com/read/28745505/iron-catalyzed-direct-c3-benzylation-of-indoles-with-benzyl-alcohols-through-borrowing-hydrogen
#4
Giovanni Di Gregorio, Michele Mari, Francesca Bartoccini, Giovanni Piersanti
We present the coupling of primary and secondary benzyl alcohols with indoles to form 3-benzylated indoles and H2O that is catalyzed, for the first time, by a complex of earth-abundant iron. This transformation accommodates a variety of substrates and is distinguished by its operational simplicity, sustainability, high functional-group tolerance, and amenability to gram-scale synthesis. On the basis of the preliminary experimental observations, we propose that the reaction proceeds through a borrowing hydrogen process...
July 26, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28743965/nanocrystalline-diamond-protects-zr-cladding-surface-against-oxygen-and-hydrogen-uptake-nuclear-fuel-durability-enhancement
#5
Jan Škarohlíd, Petr Ashcheulov, Radek Škoda, Andrew Taylor, Radim Čtvrtlík, Jan Tomáštík, František Fendrych, Jaromír Kopeček, Vladimír Cháb, Stanislav Cichoň, Petr Sajdl, Jan Macák, Peng Xu, Jonna M Partezana, Jan Lorinčík, Jana Prehradná, Martin Steinbrück, Irena Kratochvílová
In this work, we demonstrate and describe an effective method of protecting zirconium fuel cladding against oxygen and hydrogen uptake at both accident and working temperatures in water-cooled nuclear reactor environments. Zr alloy samples were coated with nanocrystalline diamond (NCD) layers of different thicknesses, grown in a microwave plasma chemical vapor deposition apparatus. In addition to showing that such an NCD layer prevents the Zr alloy from directly interacting with water, we show that carbon released from the NCD film enters the underlying Zr material and changes its properties, such that uptake of oxygen and hydrogen is significantly decreased...
July 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28743153/-how-much-alarm-can-the-human-being-tolerate
#6
Benedikt Lorenz, Jürgen Peters, Ulrich H Frey
Due to growing technisation of intensive care the number of devices with integrated alarm systems is steadily increasing. However, most of the sounding alarms are false alarms causing high levels of frustration, aggression and inappropriate behaviour amongst the medical personnel. All this jeopardises patient care. The high number of alarms also disturb the patients interrupting their sleep and provokes anxiety, and also increases the already high noise level in intensive care units and the operating theatre alike...
July 2017: Anästhesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie: AINS
https://www.readbyqxmd.com/read/28742940/functional-analysis-of-the-pepper-protein-phosphatase-caaipp1-and-its-interacting-partner-caairf1-modulation-of-aba-signaling-and-the-drought-stress-response
#7
Woonhee Baek, Chae Woo Lim, Sung Chul Lee
Plant adaptive responses to abiotic stress are coordinated by restriction of plant growth and development. The plant hormone abscisic acid (ABA) is the key regulator of the response to abiotic stress, and its sensitivity determines abiotic stress tolerance levels. We previously showed that the E3 ubiquitin ligase CaAIRF1 functions as a positive regulator of ABA and drought stress via modulation of transcription and stability of the type 2C protein phosphatase CaADIP1. Here, we report the identification and functional analysis of a novel type 2C phosphatase, CaAIPP1 (Capsicum annuum CaAIRF1 Interacting Protein Phosphatase 1)...
July 25, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28741943/reductive-etherification-via-anion-binding-catalysis
#8
Chenfei Zhao, Christopher A Sojdak, Wazo Myint, Daniel Seidel
Reductive condensations of alcohols with aldehydes/ketones to generate ethers are catalyzed by a readily accessible thiourea organocatalyst that operates in combination with HCl. 1,1,3,3-tetramethyldisiloxane serves as a convenient reducing reagent. This strategy is applicable to challenging substrate combinations and exhibits functional group tolerance. Competing reductive homocoupling of the carbonyl component is suppressed.
July 25, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28740417/efficacy-and-safety-of-0-75-ropivacaine-instillation-into-subinguinal-wound-in-patients-after-bilateral-microsurgical-varicocelectomy-a-bi-center-randomized-double-blind-placebo-controlled-trial
#9
Wan Shou Cui, Yu Seob Shin, Jae Hyung You, A Ram Doo, Kiran Kumar Soni, Jong Kwan Park
OBJECTIVE: To evaluate the efficacy and safety of 0.75% ropivacaine instillation into inguinal wound in patients who have undergone bilateral microsurgical varicocelectomy. PATIENTS AND METHODS: Eighty-five men who were screened for bilateral varicoceles from March 2015 to July 2016 were randomized for the treatment. All patients underwent inguinal varicocelectomy by general anesthesia. After ligation of the internal spermatic veins from the spermatic cord, additional delivery of testis through inguinal incision site was done to ligate external spermatic veins and gubernacular veins...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28738454/-development-of-markov-models-for-economics-evaluation-of-strategies-on-hepatitis-b-vaccination-and-population-based-antiviral-treatment-in-china
#10
P C Yang, S X Zhang, P P Sun, Y L Cai, Y Lin, Y H Zou
Objective: To construct the Markov models to reflect the reality of prevention and treatment interventions against hepatitis B virus (HBV) infection, simulate the natural history of HBV infection in different age groups and provide evidence for the economics evaluations of hepatitis B vaccination and population-based antiviral treatment in China. Methods: According to the theory and techniques of Markov chain, the Markov models of Chinese HBV epidemic were developed based on the national data and related literature both at home and abroad, including the settings of Markov model states, allowable transitions and initial and transition probabilities...
July 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28738237/a-case-report-of-unexpected-pathology-within-an-incarcerated-ventral-hernia
#11
Erica D Kane, Katharine R Bittner, Michelle Bennett, John R Romanelli, Neal E Seymour, Jacqueline J Wu
INTRODUCTION: Incidence of hernial appendicitis is 0.008%, most frequently within inguinal and femoral hernias. Up to 2.5% of appendectomy patients are found to have Crohn's disease. Elucidating the etiology of inflammation is essential for directing management. PRESENTATION OF CASE: A 51-year-old female with achondroplastic dwarfism, multiple cesarean sections, and subsequent massive incisional hernia, presented with ruptured appendicitis within her incarcerated hernia...
July 8, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28737376/insight-into-c-di-gmp-regulation-in-anammox-aggregation-in-response-to-alternating-feed-loadings
#12
Yongzhao Guo, Sitong Liu, Xi Tang, Chao Wang, Zhao Niu, Ying Feng
Substrate concentrations generally fluctuate in wastewaters. However, how anammox biomass behaves to overcome the stress of alternating feed loadings remains unclear. Here, we combined long-term reactor operation, batch tests, 16S rRNA transcript sequencing, and metabolomics analysis to investigate the aggregation of anammox biomass under the regulation of c-di-GMP, a key second messenger, in response to alternating feed loadings. We demonstrated that the aggregation process was significantly faster under alternating loadings and was significantly correlated with higher levels of c-di-GMP and extracellular polymeric substances (EPS) production...
July 24, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28736649/neoadjuvant-transarterial-radiation-lobectomy-for-colorectal-hepatic-metastases-a-small-cohort-analysis-on-safety-efficacy-and-radiopathologic-correlation
#13
Jehan L Shah, Ivan R Zendejas-Ruiz, Linday M Thornton, Brian S Geller, Joseph R Grajo, Amy Collinsworth, Thomas J George, Beau Toskich
Colorectal cancer patients have a high incidence of liver metastasis (ml-CRC). Surgical resection is the gold standard for treatment of hepatic metastasis but only a small percent of patients are traditional candidates based on disease extent and adequate size of the future liver remnant (FLR). Interventions such as portal vein embolization (PVE) and associating liver partition and portal vein ligation for staged hepatectomy (ALPPS) are performed to increase FLR for operative conversion. Limitations to PVE include intrahepatic disease progression, portal vascular invasion, and utilization with concurrent chemotherapy...
June 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28733748/preoperative-botulinum-toxin-a-enabling-defect-closure-and-laparoscopic-repair-of-complex-ventral-hernia
#14
Omar Rodriguez-Acevedo, Kristen E Elstner, Anita S W Jacombs, John W Read, Rodrigo Tomazini Martins, Fernando Arduini, Michael Wehrhahm, Colette Craft, Peter H Cosman, Anthony N Dardano, Nabeel Ibrahim
INTRODUCTION: Operative management of complex ventral hernia still remains a significant challenge for surgeons. Closure of large defects in the unprepared abdomen has serious pathophysiological consequences due to chronic contraction and retraction of the lateral abdominal wall muscles. We report outcomes of 56 consecutive patients who had preoperative Botulinum toxin A (BTA) abdominal wall relaxation facilitating closure and repair. METHODS: This was a prospective observational study of 56 patients who underwent ultrasound-guided BTA into the lateral abdominal oblique muscles prior to elective ventral hernia repair between November 2012 and January 2017...
July 21, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28733160/triamcinolone-injection-for-treatment-of-mitrofanoff-stomal-stenosis-optimizing-results-and-reducing-cost-of-care
#15
P P Reddy, A C Strine, T Reddy, P H Noh, W R DeFoor, E Minevich, C A Sheldon, B A VanderBrink
INTRODUCTION: Stomal stenosis is the most common complication after the creation of a continent catheterizable channel (CCC), but is challenging to treat. OBJECTIVE: To describe early experience with triamcinolone injection for the treatment of stomal stenosis. MATERIALS AND METHODS: A retrospective review was performed of patients who had undergone a triamcinolone injection (40 mg/ml) for the treatment of stomal stenosis at the present institution...
July 4, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28730888/preoperative-exercise-training-prevents-functional-decline-after-lung-resection-surgery-a-randomized-single-blind-controlled-trial
#16
Raquel Sebio García, Maria Isabel Yáñez-Brage, Esther Giménez Moolhuyzen, Marta Salorio Riobo, Ana Lista Paz, Jose María Borro Mate
OBJECTIVES: To investigate the effects of a preoperative pulmonary rehabilitation programme in patients with lung cancer undergoing video-assisted thoracic surgery. DESIGN: Randomized, single-blind controlled trial. SETTING: Teaching hospital. SUBJECTS: Patients with suspected or confirmed lung cancer undergoing video-assisted thoracic surgery. INTERVENTION: Participants were randomized to either a prehabilitation group or a control group...
August 2017: Clinical Rehabilitation
https://www.readbyqxmd.com/read/28726641/a-plant-fungal-type-phosphoenolpyruvate-carboxykinase-located-in-the-parasite-mitochondrion-ensures-glucose-independent-survival-of-toxoplasma-gondii
#17
Richard Nitzsche, Özlem Günay-Esiyok, Maximilian Tischer, Vyacheslav Zagoriy, Nishith Gupta
Toxoplasma gondii is considered as one of the most successful intracellular pathogens, because it can reproduce in varied nutritional milieus, encountered in diverse host-cell types of essentially any warm-blooded organism. Our earlier work has demonstrated that the acute (tachyzoite) stage of T. gondii depends on cooperativity of glucose and glutamine catabolism to meet biosynthetic demands. Either of these two nutrients can sustain the parasite survival; however, what determines the metabolic plasticity has not been resolved yet...
July 18, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28724448/systemic-insecticide-treatment-of-the-canine-reservoir-of-trypanosoma-cruzi-induces-high-levels-of-lethality-in-triatoma-infestans-a-principal-vector-of-chagas-disease
#18
Ariel Loza, Adrianna Talaga, Gladys Herbas, Ruben Jair Canaviri, Thalia Cahuasiri, Laura Luck, Alvaro Guibarra, Raquel Goncalves, Juan Antonio Pereira, Sonia A Gomez, Albert Picado, Louisa Alexandra Messenger, Caryn Bern, Orin Courtenay
BACKGROUND: Despite large-scale reductions in Chagas disease prevalence across Central and South America, Trypanosoma cruzi infection remains a considerable public health problem in the Gran Chaco region where vector-borne transmission persists. In these communities, peridomestic animals are major blood-meal sources for triatomines, and household presence of infected dogs increases T. cruzi transmission risk for humans. To address the pressing need for field-friendly, complementary methods to reduce triatomine infestation and interrupt T...
July 19, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28723765/perioperative-management-of-intracardiac-leiomyomatosis-an-observational-cohort-study
#19
Jiaying Xu, Min Wei, Qi Miao, Bin Zhu, Chunhua Yu, Yuguang Huang
Intracardiac leiomyomatosis (ICLM) is a rare condition in which the benign tumor extends into the right heart chambers through inferior vena cava. The best surgical approach still remains unclear.We present a retrospective cohort of 36 patients diagnosed with ICLM in Peking Union Medical College Hospital between 2002 and 2016.The mean patient age was 44.5 (range 25-55) years. The clinical manifestations were various, including shortness of breath, chest tightness, edema of the lower extremities, palpitations, syncope, etc...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28721003/patient-compliance-with-venous-thromboembolism-prophylaxis-vte
#20
John Ross Blackwell, Parag Raval, John-Patrick Quigley, Amit Patel, Donald McBride
Venous thromboembolic disease (VTE) comprises pulmonary embolism (PE) and deep vein thrombosis (DVT), and causes morbidity and mortality, particularly in trauma and orthopaedic patients. Prevalence of 0.9% and 1.2% respectively are reported, with mortality rates up to 13.8%. Chemical thromboprophylactic agents including low molecular weight heparin (LMWH) are considered cost effective in reducing VTE risk. Evidence for anti-platelets including Aspirin for VTE prophylaxis is less compelling and is not supported as monotherapy...
April 2017: Journal of Clinical Orthopaedics and Trauma
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