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https://www.readbyqxmd.com/read/28437775/effect-of-nitrification-inhibitors-on-mitigating-n2o-and-no-emissions-from-an-agricultural-field-under-drip-fertigation-in-the-north-china-plain
#1
Di Tian, Yuanyuan Zhang, Yizhen Zhou, Yujing Mu, Junfeng Liu, Chenglong Zhang, Pengfei Liu
N2O and NO emissions from a winter wheat-summer maize rotation field with five different treatments in the North China Plain (NCP) were comparably investigated from 8 October 2014 to 11 October 2015. Compared with the treatments with only flood or drip irrigation, evident emission peaks of N2O and NO from the fertilization treatments with flood irrigation (A-Flood) and with drip fertigation (A-Drip) were observed after each fertilization event, whereas their emissions from the fertilization treatments with nitrification inhibitors under drip fertigation (A+DCD-Drip and A+Nitrapyrin-Drip) were greatly suppressed...
April 21, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28437104/redox-active-macrocycles-for-organic-rechargeable-batteries
#2
Dong Jun Kim, Keith R Hermann, Aleksandrs Prokofjevs, Michael T Otley, Cristian Pezzato, Magdalena Owczarek, J Fraser Stoddart
Organic rechargeable batteries, composed of redox-active molecules, are emerging as candidates for the next generation of energy storage materials because of their large specific capacities, cost effectiveness, and the abundance of organic precursors, when compared with conventional lithium-ion batteries. Although redox-active molecules often display multiple redox states, precise control of a molecule's redox potential, leading to a single output voltage in a battery, remains a fundamental challenge in this popular field of research...
April 24, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28437089/%C3%AF-n-c-bond-difunctionalization-in-bridged-twisted-amides-sew-and-cut-activation-approach-to-functionalized-isoquinolines
#3
Feng Hu, Pradeep Nareddy, Roger Lalancette, Frank Jordan, Michal Szostak
A rare example of highly selective σ N-C bond difunctionalization in bridged twisted lactams through N-C cleavage has been achieved. In combination with the intramolecular Heck cyclization, this method affords a two-step bond reorganization event ("sew-and-cut") to access functionalized isoquinoline ring systems directly with high atom economy. C-H bond functionalizations directed by a weakly coordinating bridged amide bond increase scaffold diversity. Preliminary mechanistic studies on the effect of amide distortion and the role of electrophile in this unusual σ N-C amide difunctionalization are described...
April 24, 2017: Organic Letters
https://www.readbyqxmd.com/read/28436582/phase-i-study-of-bortezomib-in-combination-with-irinotecan-in-patients-with-relapsed-refractory-high-risk-neuroblastoma
#4
Rajen Mody, Lili Zhao, Gregory Anthony Yanik, Valerie Opipari
PURPOSE: Prognosis for relapsed/refractory high-risk neuroblastoma (HR-NBL) remains poor. Bortezomib, a proteasome inhibitor, has shown preclinical activity against NBL as a single agent and in combination with cytotoxic chemotherapy including irinotecan. PATIENTS AND METHODS: Eighteen HR-NBL patients with primary refractory (n = 8) or relapsed (n = 10) disease were enrolled in a Phase I study using modified Time To Event Continual Reassessment Method. Bortezomib (1...
April 24, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28436581/pediatric-acute-lymphoblastic-leukemia-with-t-1-19-tcf3-pbx1-in-taiwan
#5
Hsiu-Ju Yen, Shih-Hsiang Chen, Tsung-Yen Chang, Chao-Ping Yang, Dong-Tsamn Lin, Iou-Jih Hung, Kai-Hsin Lin, Jiann-Shiuh Chen, Chih-Cheng Hsiao, Tai-Tsung Chang, Te-Kao Chang, Ching-Tien Peng, Ming-Tsan Lin, Tang-Her Jaing, Hsi-Che Liu, Shiann-Tarng Jou, Meng-Yao Lu, Chao-Neng Cheng, Jiunn-Ming Sheen, Shyh-Shin Chiou, Giun-Yi Hung, Kang-Hsi Wu, Ting-Chi Yeh, Shih-Chung Wang, Rong-Long Chen, Hsiu-Hao Chang, Yung-Li Yang, Shu-Huey Chen, Shin-Nan Cheng, Yu-Hsiang Chang, Bow-Wen Chen, Yuh-Lin Hsieh, Fang-Liang Huang, Wan-Ling Ho, Jinn-Li Wang, Chia-Yau Chang, Yu-Hua Chao, Pei-Chin Lin, Yu-Chieh Chen, Yu-Mei Liao, Tung-Huei Lin, Lee-Yung Shih, Der-Cherng Liang
BACKGROUND: In childhood acute lymphoblastic leukemia (ALL), t(1;19)(q23;p13.3) with TCF3-PBX1 fusion is one of the most frequent translocations. Historically, it has been associated with poor prognosis. Intensive treatment, however, has improved its outcome. We determined the outcome of children with this genotype treated with contemporary intensive chemotherapy in Taiwan. PROCEDURE: In Taiwan Pediatric Oncology Group 2002 ALL studies, genotypes were determined by cytogenetic analysis and/or reverse transcriptase polymerase chain reaction assay...
April 24, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28436479/effects-of-chinese-medicine-as-adjunct-medication-for-adjuvant-chemotherapy-treatments-of-non-small-cell-lung-cancer-patients
#6
Lijing Jiao, Changsheng Dong, Jiaxiang Liu, Zhiwei Chen, Lei Zhang, Jianfang Xu, Xiaoyong Shen, Jiaming Che, Yi Yang, Hai Huang, Hegen Li, Jianli Sun, Yi Jiang, Zhujun Mao, Peiqi Chen, Yabin Gong, Xiaolin Jin, Ling Xu
The aim was to evaluate the effects of traditional Chinese medicine (TCM) as a combination medication with adjuvant chemotherapy on postoperative early stage non-small cell lung cancer (NSCLC) patients. The 314 patients with completely resected stage IB, II or IIIA cancers were assigned into vinorelbine plus cisplatin/carboplatin (NP/NC) (control, n = 158) and NP/NC with additional TCM (intervention, n = 156) groups. The primary endpoint was QOL scores; secondary endpoints were the toxicity and safety of the regimens...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28436059/high-performance-respiration-based-biocell-using-artificial-nanochannel-regulation
#7
Qianqian Zhang, Xiulin Li, Yang Chen, Qian Zhang, Huixue Liu, Jin Zhai, Xiaoda Yang
Based on electron and proton transfer events occurring in biological respiration, a mitochondria-based biocell is constructed by combining with artificial nanochannels. In this biocell, mitochondria transfer electrons to the working electrode and pump protons into the electrolyte through the tricarboxylic acid cycle. The nanochannels provide passages for protons to transport along the transmembrane concentration gradient to consume electrons on the counter electrode, forming a continuous and stable current...
April 24, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28435960/meteorite-impacts-on-ancient-oceans-opened-up-multiple-nh3-production-pathways
#8
Kohei Shimamura, Fuyuki Shimojo, Aiichiro Nakano, Shigenori Tanaka
A recent series of shock experiments by Nakazawa et al. starting in 2005 (e.g. [Nakazawa et al., Earth Planet. Sci. Lett., 2005, 235, 356]) suggested that meteorite impacts on ancient oceans would have yielded a considerable amount of NH3 to the early Earth from atmospheric N2 and oceanic H2O through reduction by meteoritic iron. To clarify the mechanisms, we imitated the impact events by performing multi-scale shock technique-based ab initio molecular dynamics in the framework of density functional theory in combination with multi-scale shock technique (MSST) simulations...
April 24, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28435131/repression-of-acetaminophen-induced-hepatotoxicity-by-a-combination-of-celastrol-and-brilliant-blue-g
#9
Heba A Abdelaziz, Mohamed E Shaker, Mohamed F Hamed, Nariman M Gameil
The sterile inflammatory response is an eminent contributor to acetaminophen (APAP)-hepatotoxicity in humans. Recent advances unraveled an axial role of the NLRP3-inflammasome in APAP-post injury inflammation. Nevertheless, the role of signaling events preceded the NLRP3-inflammasome activation, like the transcription factor NF-κB and the purinergic receptor P2×7, is still unclear and needs further elucidation. Here, we investigated the pharmacological inhibition of these upstream signaling molecules by celastrol and brilliant blue G (BBG) (separately or simultaneously) in APAP-hepatotoxicity in mice...
April 20, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28434855/health-care-use-before-a-first-demyelinating-event-suggestive-of-a-multiple-sclerosis-prodrome-a-matched-cohort-study
#10
José M A Wijnands, Elaine Kingwell, Feng Zhu, Yinshan Zhao, Tanja Högg, Karen Stadnyk, Okechukwu Ekuma, Xinya Lu, Charity Evans, John D Fisk, Ruth Ann Marrie, Helen Tremlett
BACKGROUND: Degenerative processes in neurodegenerative diseases can start years before clinical manifestation. We aimed to establish whether a multiple sclerosis prodromal period exists by examining patterns of health-care use before a first demyelinating event. METHODS: In this matched cohort study, we used data from linked health administrative and clinical databases from four Canadian provinces (British Columbia, Saskatchewan, Manitoba, and Nova Scotia) to compare hospital, physician, and prescription use data from people with multiple sclerosis and matched general population controls in the 5 years before the first demyelinating disease claim (health administrative index date) or clinically reported symptom onset (clinical index date)...
April 20, 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28434731/a-prospective-cohort-study-of-digital-cushion-and-corium-thickness-part-2-does-thinning-of-the-digital-cushion-and-corium-lead-to-lameness-and-claw-horn-disruption-lesions
#11
R F Newsome, M J Green, N J Bell, N J Bollard, C S Mason, H R Whay, J N Huxley
The aim of this study was to determine whether a decrease in thickness of the sole soft tissues (SST) beneath the flexor tuberosity of the distal phalanx (i.e., the digital cushion and corium) predisposed a claw to develop claw horn disruption lesions (CHDL) or a leg to lameness. Data were analyzed from a longitudinal study of 179 cows, which had been examined at 5 assessment points -8, +1, +9, +17, and +29 wk relative to their first, second, third, or fourth calving. At each assessment point, SST were measured using ultrasonography...
April 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28434477/niuhuang-jiangya-preparation-a-traditional-chinese-patent-medicine-for-essential-hypertension-a-systematic-review
#12
REVIEW
Hui Wang, Chunxiang Liu, Jingbo Zhai, Hongcai Shang
OBJECTIVES: Niuhuang Jiangya Preparation (NHJYP) is one of the most commonly used traditional Chinese patent medicines for essential hypertension (EH) in China. Our meta-analysis performed a systematic evaluation on the therapeutic efficacy and safety of NHJYP for EH. DESIGN: Systematic review and meta-analysis. METHODS: PubMed, Embase, the Cochrane library, CNKI,VIP, Sinomed, and Wanfang Database were searched up to June 2015. Randomized controlled trials (RCTs) comparing NHJYP or combined with western antihypertensive drugs (WAD) versus WAD were included...
April 2017: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/28434406/efavirenz-based-simplification-after-successful-early-lopinavir-boosted-ritonavir-based-therapy-in-hiv-infected-children-in-burkina-faso-and-c%C3%A3-te-d-ivoire-the-monod-anrs-12206-non-inferiority-randomised-trial
#13
Désiré Lucien Dahourou, Madeleine Amorissani-Folquet, Karen Malateste, Clarisse Amani-Bosse, Malik Coulibaly, Carole Seguin-Devaux, Thomas Toni, Rasmata Ouédraogo, Stéphane Blanche, Caroline Yonaba, François Eboua, Philippe Lepage, Divine Avit, Sylvie Ouédraogo, Philippe Van de Perre, Sylvie N'Gbeche, Angèle Kalmogho, Roger Salamon, Nicolas Meda, Marguerite Timité-Konan, Valériane Leroy
BACKGROUND: The 2016 World Health Organization guidelines recommend all children <3 years start antiretroviral therapy (ART) on protease inhibitor-based regimens. But lopinavir/ritonavir (LPV/r) syrup has many challenges in low-income countries, including limited availability, requires refrigeration, interactions with anti-tuberculous drugs, twice-daily dosing, poor palatability in young children, and higher cost than non-nucleoside reverse transcriptase inhibitor (NNRTI) drugs. Successfully initiating LPV/r-based ART in HIV-infected children aged <2 years raises operational challenges that could be simplified by switching to a protease inhibitor-sparing therapy based on efavirenz (EFV), although, to date, EFV is not recommended in children <3 years...
April 24, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28434255/daratumumab-for-the-treatment-of-multiple-myeloma
#14
Cyrille Touzeau, Philippe Moreau
Proteasome inhibitors and immunomodulatory drugs have contributed to the dramatic improvement in survival for patients with myeloma over the past decades. However, the disease typically relapses and new classes of drugs are needed. In 2015, two monoclonal antibodies were approved for the treatment of patients with relapsed multiple myeloma, and immunotherapy has rapidly become indispensable in the management of myeloma patients. Areas covered: Here, the authors discuss the published data regarding the mechanism of action, safety and clinical efficacy of the CD38-targeted monoclonal antibody daratumumab for the treatment of patients with multiple myeloma...
April 24, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28433958/feasibility-and-safety-of-vitamin-k-antagonist-monotherapy-in-atrial-fibrillation-patients-undergoing-transcatheter-aortic-valve-implantation
#15
Nicolas A Geis, Christina Kiriakou, Emmanuel Chorianopoulos, Sven T Pleger, Hugo A Katus, Raffi Bekeredjian
AIMS: We aimed to assess the efficacy and safety of vitamin K antagonist (VKA) monotherapy in atrial fibrillation (AF) patients undergoing transcatheter aortic valve implantation (TAVI). METHODS AND RESULTS: In 735 TAVIs since 2008 we identified 167 patients suffering from concomitant AF who received either VKA monotherapy (n=77), VKA plus single antiplatelet therapy (SAPT, n=41) or a triple anticoagulation regimen (n=49). Thromboembolic as well as bleeding complications were analysed for six months after TAVI...
April 20, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28433602/folfoxiri-regimen-for-metastatic-colorectal-cancer-a-systematic-review-and-meta-analysis
#16
Frederico Leal, Fernanda Proa Ferreira, Andre Deeke Sasse
INTRODUCTION: Cytotoxic chemotherapy is the mainstay treatment for metastatic colorectal cancer (mCRC). Fluoropyrimidines, oxaliplatin, and irinotecan are the most active drugs; however, their optimal sequencing has not yet been established. Some evidence has shown that upfront treatment with 5-fluorouracil, oxaliplatin, and irinotecan (FOLFOXIRI regimen) can improve outcomes for patients with mCRC. MATERIALS AND METHODS: We performed a systematic search in electronic databases...
March 24, 2017: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/28433505/chemotherapy-induces-alternative-transcription-and-splicing-facts-and-hopes-for-cancer-treatment
#17
Charles A Lambert, Nancy Garbacki, Alain C Colige
Alternative promoter usage, alternative splicing and alternative cleavage/polyadenylation (referred here as to alternative transcription and splicing) are main instruments to diversify the transcriptome from a limited set of genes. There is a good deal of evidence that chemotherapeutic drugs affect these processes, but the therapeutic incidence of these effects is poorly documented. The scope of this study is to review the impact of chemotherapy on alternative transcription and splicing and to discuss potential implications in cancer therapy...
April 19, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28433432/ascende-rt-an-analysis-of-treatment-related-morbidity-for-a-randomized-trial-comparing-a-low-dose-rate-brachytherapy-boost-with-a-dose-escalated-external-beam-boost-for-high-and-intermediate-risk-prostate-cancer
#18
Sree Rodda, Scott Tyldesley, W James Morris, Mira Keyes, Ross Halperin, Howard Pai, Michael McKenzie, Graeme Duncan, Gerard Morton, Jeremy Hamm, Nevin Murray
PURPOSE: To report the genitourinary (GU) and gastrointestinal (GI) morbidity and erectile dysfunction in a randomized trial comparing 2 methods of dose escalation for high- and intermediate-risk prostate cancer. METHODS AND MATERIALS: ASCENDE-RT (Androgen Suppression Combined with Elective Nodal and Dose Escalated Radiation Therapy) enrolled 398 men, median age 68 years, who were then randomized to either a standard arm that included 12 months of androgen deprivation therapy and pelvic irradiation to 46 Gy followed by a dose-escalated external beam radiation therapy (DE-EBRT) boost to 78 Gy, or an experimental arm that substituted a low-dose-rate prostate brachytherapy (LDR-PB) boost...
January 6, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28433347/phonological-and-semantic-processing-during-comprehension-in-wernicke-s-aphasia-an-n400-and-phonological-mapping-negativity-study
#19
Holly Robson, Emma Pilkington, Louise Evans, Vincent Deluca, James L Keidel
Comprehension impairments in Wernicke's aphasia are thought to result from a combination of impaired phonological and semantic processes. However, the relationship between these cognitive processes and language comprehension has only been inferred through offline neuropsychological tasks. This study used ERPs to investigate phonological and semantic processing during online single word comprehension. EEG was recorded in a group of Wernicke's aphasia n=8 and control participants n=10 while performing a word-picture verification task...
April 19, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28433211/adverse-events-during-a-randomized-trial-of-ketamine-versus-co-administration-of-ketamine-and-propofol-for-procedural-sedation-in-a-pediatric-emergency-department
#20
Keith Weisz, Lalit Bajaj, Sara J Deakyne, Lina Brou, Alison Brent, Joseph Wathen, Genie E Roosevelt
BACKGROUND: The co-administration of ketamine and propofol (CoKP) is thought to maximize the beneficial profile of each medication, while minimizing the respective adverse effects of each medication. OBJECTIVE: Our objective was to compare adverse events between ketamine monotherapy (KM) and CoKP for procedural sedation and analgesia (PSA) in a pediatric emergency department (ED). METHODS: This was a prospective, randomized, single-blinded, controlled trial of KM vs...
April 19, 2017: Journal of Emergency Medicine
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