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https://www.readbyqxmd.com/read/28734252/river-sequesters-atmospheric-carbon-and-limits-the-co2-degassing-in-karst-area-southwest-china
#1
Tao Zhang, Jianhong Li, Junbing Pu, Jonathan B Martin, Mitra B Khadka, Feihong Wu, Li Li, Feng Jiang, Siyu Huang, Daoxian Yuan
CO2 fluxes across water-air interfaces of river systems play important roles in regulating the regional and global carbon cycle. However, great uncertainty remains as to the contribution of these inland water bodies to the global carbon budget. Part of the uncertainty stems from limited understanding of the CO2 fluxes at diurnal and seasonal frequencies caused by aquatic metabolism. Here, we measured surface water characteristics (temperature, pH, and DO, DIC, Ca(2+) concentrations) and CO2 fluxes across the air-water interface at two transects of Guijiang River, southwest China to assess the seasonal and diurnal dynamics of fluvial carbon cycling and its potential role in regional and global carbon budgets...
July 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28730909/dramatic-response-of-acute-disseminated-intravascular-coagulation-to-erlotinib-in-a-patient-with-lung-adenocarcinoma-with-activating-egfr-mutation
#2
Jung Soo Kim, Jeong-Seon Ryu, Sang Hoon Jeon, Hyun-Jung Kim, Hae-Seong Nam, Jae Hwa Cho, Seung Min Kwak, Hong Lyeol Lee
Disseminated intravascular coagulation (DIC) is a commonly encountered clinical situation characterized by thrombotic occlusion or bleeding in patients with lung cancer. DIC in patients with cancer is usually asymptomatic, taking a chronic form as a compensatory mechanism. Although acute DIC in patients with lung cancer is rarely reported, it can be fatal. We herein describe a patient with lung adenocarcinoma with an activating mutation of the epidermal growth factor receptor (EGFR) gene who developed acute DIC after minor surgical excision...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28725562/pleural-empyema-and-streptococcal-toxic-shock-syndrome-due-to-streptococcus-pyogenes-in-a-healthy-spanish-traveler-in-japan
#3
Tetsuya Sakai, Daisuke Taniyama, Saeko Takahashi, Morio Nakamura, Takashi Takahashi
Group A Streptococcus (GAS, Streptococcus pyogenes) causes invasive infections including streptococcal toxic shock syndrome (STSS) and local infections. To our knowledge, this is the first report of a case of an invasive GAS infection with pneumonia and pleural empyema (PE) followed by STSS (disseminated intravascular coagulation [DIC] and acute renal insufficiency) in a healthy male adult. He received combined supportive therapies of PE drainage, anti-DIC agent, hemodialysis, and antimicrobials and eventually made a clinical recovery...
2017: IDCases
https://www.readbyqxmd.com/read/28720086/pregnancy-outcomes-in-patients-with-acute-kidney-injury-during-pregnancy-a-systematic-review-and-meta-analysis
#4
Youxia Liu, Xinxin Ma, Jie Zheng, Xiangchun Liu, Tiekun Yan
BACKGROUND: Presently, the matter of pregnancy outcomes of patients with pregnancy related AKI (PR-AKI) were disputed. Thus, we conducted a meta-analysis to evaluate the impact of PR-AKI on pregnancy outcomes. METHOD: We systematically searched MEDLINE, Embase, VIP, CNKI and Wanfang Databases for cohort or case-control studies in women with PR-AKI and those without AKI as a control group to assess the influence of PR-AKI on pregnancy outcomes and kidney outcome...
July 18, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28718961/photodegradation-kinetics-transformation-and-toxicity-prediction-of-ketoprofen-carprofen-and-diclofenac-acid-in-aqueous-solutions
#5
Jian Li, Li-Yun Ma, Lu-Shuang Li, Li Xu
In this study, the photodegradation of three commonly used non-steroidal anti-inflammatory drugs, ketoprofen (KET), carprofen (CAR) and diclofenac acid (DIC), was conducted under UV irradiation. The kinetic results showed that the studied three pharmaceuticals obeyed to the first-order reaction with the decreasing rate constants of 1.54×10(-4) s(-1) , 5.91×10(-5) s(-1) and 7.78×10(-6) s(-1) for CAR, KET and DIC, respectively. Moreover, the main transformation products (TPs) were identified by ion-pair liquid-liquid extraction combined with injection port derivatization-gas chromatography-mass spectrometer and high performance liquidchromatography-quadrupole-time of flight mass spectrometer analysis...
July 18, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/28717074/effect-of-thrombomodulin-alfa-on-disseminated-intravascular-coagulation-in-patients-with-lung-cancer
#6
Kentaro Nakano, Kumiya Sugiyama, Hideyuki Satoh, Hajime Arifuku, Takayoshi Fujimatsu, Naruo Yoshida, Hiroyoshi Watanabe, Shingo Tokita, Tomoshige Wakayama, Masamitsu Tatewaki, Ryosuke Souma, Hiroyuki Masuda, Kenya Koyama, Hirokuni Hirata, Yasutsugu Fukushima
Objective The mortality rate due to disseminated intravascular coagulation (DIC) is higher in patients with lung cancer than in those without. We examined the effect of treatment with thrombomodulin alfa (TM-α) for DIC in lung cancer patients. Methods Subjects were 57 patients with DIC (43 men, 14 women; mean age, 71.7 years), comprising 31 with lung cancer and 26 without. DIC patients with or without lung cancer did not differ significantly in their background characteristics. Results No significant difference was noted in the mortality rate between patients with lung cancer (61...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28717024/inorganic-carbon-availability-in-benthic-diatom-communities-photosynthesis-and-migration
#7
REVIEW
Jorge Marques da Silva, Sónia Cruz, Paulo Cartaxana
Diatom-dominated microphytobenthos (MPB) is the main primary producer of many intertidal and shallow subtidal environments, being therefore of critical importance to estuarine and coastal food webs. Owing to tidal cycles, intertidal MPB diatoms are subjected to environmental conditions far more variable than the ones experienced by pelagic diatoms (e.g. light, temperature, salinity, desiccation and nutrient availability). Nevertheless, benthic diatoms evolved adaptation mechanisms to these harsh conditions, including the capacity to move within steep physical and chemical gradients, allowing them to perform photosynthesis efficiently...
September 5, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28717013/mechanisms-of-carbon-dioxide-acquisition-and-co2-sensing-in-marine-diatoms-a-gateway-to-carbon-metabolism
#8
REVIEW
Yusuke Matsuda, Brian M Hopkinson, Kensuke Nakajima, Christopher L Dupont, Yoshinori Tsuji
Diatoms are one of the most successful marine eukaryotic algal groups, responsible for up to 20% of the annual global CO2 fixation. The evolution of a CO2-concentrating mechanism (CCM) allowed diatoms to overcome a number of serious constraints on photosynthesis in the marine environment, particularly low [CO2]aq in seawater relative to concentrations required by the CO2 fixing enzyme, ribulose-1,5-bisphosphate carboxylase/oxygenase (RubisCO), which is partly due to the slow diffusion rate of CO2 in water and a limited CO2 formation rate from [Formula: see text] in seawater...
September 5, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28711778/the-efficacy-and-associated-bleeding-complications-of-recombinant-antithrombin-supplementation-among-intensive-care-unit-patients
#9
Hiroyuki Koami, Yuichiro Sakamoto, Ryota Sakurai, Miho Ohta, Hisashi Imahase, Mayuko Yahata, Mitsuru Umeka, Toru Miike, Futoshi Nagashima, Takashi Iwamura, Kosuke Chris Yamada, Satoshi Inoue
INTRODUCTION: The aim of this study was to evaluate the efficacy and complications of recombinant antithrombin (rAT) supplementation for adult patients with disseminated intravascular coagulation (DIC) compared with conventional plasma derived AT (pAT) treatment in the intensive care unit. MATERIALS AND METHODS: This study was performed in a single national university hospital in Japan. Adult patients from April 2015 to March 2016 with DIC were divided into two groups based on the type of AT agent used: the pAT group (n=24) and the rAT group (n=21)...
July 3, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28711007/carbon-dynamics-in-a-late-quaternary-age-coastal-limestone-aquifer-system-undergoing-saltwater-intrusion
#10
Eliza Bryan, Karina T Meredith, Andy Baker, Martin S Andersen, Vincent E A Post
This study investigates the inorganic and organic aspects of the carbon cycle in groundwaters throughout the freshwater lens and transition zone of a carbonate island aquifer and identifies the transformation of carbon throughout the system. We determined (14)C and (13)C carbon isotope values for both DIC and DOC in groundwaters, and investigated the composition of DOC throughout the aquifer. In combination with hydrochemical and (3)H measurements, the chemical evolution of groundwaters was then traced from the unsaturated zone to the deeper saline zone...
July 12, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28706964/residual-stress-distribution-analysis-of-heat-treated-aps-tbc-using-image-based-modelling
#11
Chun Li, Xun Zhang, Ying Chen, James Carr, Simon Jacques, Julia Behnsen, Marco di Michiel, Ping Xiao, Robert Cernik
We carried out a residual stress distribution analysis in a APS TBC throughout the depth of the coatings. The samples were heat treated at 1150 °C for 190 h and the data analysis used image based modelling based on the real 3D images measured by Computed Tomography (CT). The stress distribution in several 2D slices from the 3D model is included in this paper as well as the stress distribution along several paths shown on the slices. Our analysis can explain the occurrence of the "jump" features near the interface between the top coat and the bond coat...
August 2017: Data in Brief
https://www.readbyqxmd.com/read/28702197/usefulness-of-plasminogen-activator-inhibitor-1-as-a-predictive-marker-of-mortality-in-sepsis
#12
Kota Hoshino, Taisuke Kitamura, Yoshihiko Nakamura, Yuhei Irie, Norihiko Matsumoto, Yasumasa Kawano, Hiroyasu Ishikura
BACKGROUND: Sepsis is one of the most significant causes of mortality in intensive care units. It indicates crosstalk between inflammation and coagulation. In this study, we aimed to identify prognostic markers among sepsis biomarkers and coagulation/fibrinolysis markers. METHODS: Patients with sepsis according to the Sepsis-3 criteria were enrolled from January 2013 to September 2015. Univariate and multivariate logistic regression analyses were performed to identify an independent predictive marker of 28-day mortality among sepsis biomarkers and coagulation/fibrinolysis markers on ICU admission...
2017: Journal of Intensive Care
https://www.readbyqxmd.com/read/28702164/a-case-of-an-anomalous-biliary-tract-diagnosed-preoperatively
#13
Jun Kataoka, Toshikatsu Nitta, Yoshihiro Inoue, Masato Ota, Tomo Tominaga, Kensuke Fujii, Hiroshi Kawasaki, Takashi Ishibashi
We describe a 48-year-old man with cholecystolithiasis whose preoperative magnetic resonance cholangiopancreatography (MRCP) scan showed that the right accessory hepatic duct branching from the cystic duct dominated an anterior segment of the right hepatic lobe. We observed the right accessory hepatic duct using intraoperative cholangiography, and we were able to perform laparoscopic cholecystectomy without injuring it. He had no complication after discharge, and a drip-infusion cholangiography-computed tomography (DIC-CT) scan demonstrated that the right accessory hepatic duct was intact, and it dominated an anterior segment of the right hepatic lobe...
June 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28701223/low-dose-immunoglobulin-g-is-not-associated-with-mortality-in-patients-with-sepsis-and-septic-shock
#14
Yusuke Iizuka, Masamitsu Sanui, Yusuke Sasabuchi, Alan Kawarai Lefor, Mineji Hayakawa, Shinjiro Saito, Shigehiko Uchino, Kazuma Yamakawa, Daisuke Kudo, Kohei Takimoto, Toshihiko Mayumi, Takeo Azuhata, Fumihito Ito, Shodai Yoshihiro, Katsura Hayakawa, Tsuyoshi Nakashima, Takayuki Ogura, Eiichiro Noda, Yoshihiko Nakamura, Ryosuke Sekine, Yoshiaki Yoshikawa, Motohiro Sekino, Keiko Ueno, Yuko Okuda, Masayuki Watanabe, Akihito Tampo, Nobuyuki Saito, Yuya Kitai, Hiroki Takahashi, Iwao Kobayashi, Yutaka Kondo, Wataru Matsunaga, Sho Nachi, Toru Miike, Hiroshi Takahashi, Shuhei Takauji, Kensuke Umakoshi, Takafumi Todaka, Hiroshi Kodaira, Kohkichi Andoh, Takehiko Kasai, Yoshiaki Iwashita, Hideaki Arai, Masato Murata, Masahiro Yamane, Kazuhiro Shiga, Naoto Hori
BACKGROUND: The administration of low-dose intravenous immunoglobulin G (IVIgG) (5 g/day for 3 days; approximate total 0.3 g/kg) is widely used as an adjunctive treatment for patients with sepsis in Japan, but its efficacy in the reduction of mortality has not been evaluated. We investigated whether the administration of low-dose IVIgG is associated with clinically important outcomes including intensive care unit (ICU) and in-hospital mortality. METHODS: This is a post-hoc subgroup analysis of data from a retrospective cohort study, the Japan Septic Disseminated Intravascular Coagulation (JSEPTIC DIC) study...
July 13, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28697434/modelling-of-compressible-and-orthotropic-surgical-mesh-implants-based-on-optical-deformation-measurement
#15
Andreas J Horbach, Minh Tuan Duong, Manfred Staat
There is a potential mismatch between surgical mesh implants for hernia repair of pelvic floor surgery and the host tissue because soft tissue is incompressible and meshes are compressible. Therefore, mesh and tissue may develop different stiffness over the range of deformation. In addition compressibility is related to a change of porosity of the mesh which may decrease during the deformation. Scar formation and the ingrowth of the mesh can be related to effective porosity which decreases discontinuously in uniaxial loading at a critical stretch when pore areas collapse and therefore the mesh becomes ineffective...
June 12, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28695768/expression-of-oligodendrocyte-marker-during-peripheral-central-transitional-zone-formation-of-the-postnatal-mouse-cochlear-nerve
#16
Dennis Bojrab, Baofu Zhang, Hui Jiang, Lei Zhang, David S Cohen, Xuemei Luo, Zhengqing Hu
Objective To better understand oligodendrocyte protein expression along the mouse cochlear nerve in postnatal mice. Study Design In vivo murine study. Setting Research laboratory. Subjects and Methods Swiss Webster mice used at multiple postnatal days (0, 1, 3, 5, 7, 8, 10, 14, 30, and 60). There were 5 replicates at each postnatal day. Cryosection was done to produce sections that included the cochlear nucleus, cochlear nerve, and cochlea in a single sample. Differential interference contrast (DIC) microscopy and immunofluorescence with antibodies specific to the oligodendrocyte protein Olig2 were used to study the cochlear nerve of Swiss Webster mice at postnatal days...
July 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28694452/phosphatidylserine-mediated-platelet-clearance-by-endothelium-decreases-platelet-aggregates-and-procoagulant-activity-in-sepsis
#17
Ruishuang Ma, Rui Xie, Chengyuan Yu, Yu Si, Xiaoming Wu, Lu Zhao, Zhipeng Yao, Shaohong Fang, He Chen, Valerie Novakovic, Chunyan Gao, Junjie Kou, Yayan Bi, Hemant S Thatte, Bo Yu, Shufen Yang, Jin Zhou, Jialan Shi
The mechanisms that eliminate activated platelets in inflammation-induced disseminated intravascular coagulation (DIC) in micro-capillary circulation are poorly understood. This study explored an alternate pathway for platelet disposal mediated by endothelial cells (ECs) through phosphatidylserine (PS) and examined the effect of platelet clearance on procoagulant activity (PCA) in sepsis. Platelets in septic patients demonstrated increased levels of surface activation markers and apoptotic vesicle formation, and also formed aggregates with leukocytes...
July 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28690047/geometry-of-an-inflated-membrane-in-elliptic-bulge-tests-evaluation-of-an-ellipsoidal-shape-approximation-by-stereoscopic-digital-image-correlation-measurements
#18
C Jayyosi, K Bruyère-Garnier, M Coret
Elliptic bulge tests are conducted on liver capsule, a fibrous connective membrane, associated with a field measurement method to assess the global geometry of the samples during the tests. The experimental set up is derived from a previous experimental campaign of bulge tests under microscope. Here, a stereoscopic Digital Image Correlation (DIC) system is used to measure global parameters on the test and investigate some assumptions made on the testing conditions which could not been assessed with microscopic measurements...
July 6, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28684540/suppression-of-ciliary-movements-by-a-hypertonic-stress-in-the-newt-olfactory-receptor-neuron
#19
Yoshihiko Wakazono, Takashi Sakurai, Susumu Terakawa
Olfactory receptor neurons isolated from the newt maintain a high activity of the ciliary beat. A cilium of neuron is so unique that only little is known about regulatory factors for its beat frequency. We examined the olfactory receptor neuron immersed in various extracellular media under the video-enhanced differential interference contrast (DIC) microscope. The activation of voltage-gated Ca2+ channels by K+-depolarization or by application of Ca2+ to membrane-permeabilized olfactory cells did not affect the ciliary movement, suggesting that a Ca2+ influx through the cell membrane has no direct effect on the movement...
July 5, 2017: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/28681107/comparison-of-maternal-and-fetal-complications-in-elective-and-emergency-cesarean-section-a-systematic-review-and-meta-analysis
#20
Xiao-Jing Yang, Shan-Shan Sun
BACKGROUND: Though the same types of complication were found in both elective cesarean section (ElCS) and emergence cesarean section (EmCS), the aim of this study is to compare the rates of maternal and fetal morbidity and mortality between ElCS and EmCS. METHODS: Full-text articles involved in the maternal and fetal complications and outcomes of ElCS and EmCS were searched in multiple database. Review Manager 5.0 was adopted for meta-analysis, sensitivity analysis, and bias analysis...
July 5, 2017: Archives of Gynecology and Obstetrics
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