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https://www.readbyqxmd.com/read/28531956/sediment-microbes-mediate-the-impact-of-nutrient-loading-on-blue-carbon-sequestration-by-mixed-seagrass-meadows
#1
Songlin Liu, Zhijian Jiang, Jingping Zhang, Yunchao Wu, Xiaoping Huang, Peter I Macreadie
Recent studies have reported significant variability in sediment organic carbon (SOC) storage capacity among seagrass species, but the factors driving this variability are poorly understood, limiting our ability to make informed decisions about which seagrass types are optimal for carbon offsetting and why. Here we show that differences in SOC storage capacity among species within the same geomorphic environment can be explained (in part) by below-ground processes in response to nutrient load; specifically, differences in the activity of microbes harboured by morphologically-different seagrass species...
May 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28527145/an-appraisal-of-indonesia-s-immense-peat-carbon-stock-using-national-peatland-maps-uncertainties-and-potential-losses-from-conversion
#2
REVIEW
Matthew Warren, Kristell Hergoualc'h, J Boone Kauffman, Daniel Murdiyarso, Randall Kolka
BACKGROUND: A large proportion of the world's tropical peatlands occur in Indonesia where rapid conversion and associated losses of carbon, biodiversity and ecosystem services have brought peatland management to the forefront of Indonesia's climate mitigation efforts. We evaluated peat volume from two commonly referenced maps of peat distribution and depth published by Wetlands International (WI) and the Indonesian Ministry of Agriculture (MoA), and used regionally specific values of carbon density to calculate carbon stocks...
December 2017: Carbon Balance and Management
https://www.readbyqxmd.com/read/28520947/synergistic-effect-of-spice-extracts-and-modified-atmospheric-packaging-towards-non-thermal-preservation-of-chicken-meat-under-refrigerated-storage
#3
M Sivarajan, U Lalithapriya, Peter Mariajenita, B Aafrin Vajiha, K Harini, D Madhushalini, M Sukumar
This study investigates the integrated approach of spice extracts and modified atmospheric packaging (MAP) chicken meat preservation. Specifically, extracts from clove (CL), cinnamon (CI) individually and in combination (3% w/w) along with MAP (30% CO2/70% N2 and 10% O2/30% CO2/60% N2) were used to increase the shelf life of fresh chicken meat stored at 4°C. The parameters evaluated as shelf life indications are microbiological (total viable count, Pseudomonas spp., lactic acid bacteria (LAB), and Enterobacteriaceae), physicochemical (pH, Lipid oxidation, color changes) and Sensory attributes...
May 17, 2017: Poultry Science
https://www.readbyqxmd.com/read/28520711/inhalational-chlorine-injuries-at-public-aquatic-venues-california-2008-2015
#4
Jason A Wilken, Michele DiMaggio, Matthew Kaufmann, Kevin O'Connor, Svetlana Smorodinsky, Christina Armatas, Tracy Barreau, Richard Kreutzer, Lino Ancheta
In June 2015, personnel from California's Contra Costa Health Services Environmental Health and Hazardous Materials (hazmat) divisions were alerted to a possible chemical release at a swimming pool in an outdoor municipal water park. Approximately 50 bathers were in the pool when symptoms began; 34 (68%) experienced vomiting, coughing, or eye irritation. Among these persons, 17 (50%) were treated at the scene by Contra Costa's Emergency Medical Services (EMS) and released, and 17 (50%) were transported to local emergency departments; five patients also were evaluated later at an emergency department or by a primary medical provider...
May 19, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28504409/multifunctional-liposomes-for-image-guided-intratumoral-chemo-phototherapy
#5
Dyego Miranda, Kevin Carter, Dandan Luo, Shuai Shao, Jumin Geng, Changning Li, Upendra Chitgupi, Steven G Turowski, Nasi Li, G Ekin Atilla-Gokcumen, Joseph A Spernyak, Jonathan F Lovell
Intratumoral (IT) drug injections reduce systemic toxicity, but delivered volumes and distribution can be inconsistent. To improve IT delivery paradigms, porphyrin-phospholipid (PoP) liposomes are passively loaded with three hydrophilic cargos: sulforhodamine B, a fluorophore; gadolinium-gadopentetic acid, a magnetic resonance (MR) agent; and oxaliplatin, a colorectal cancer chemotherapeutic. Liposome composition is optimized so that cargo is retained in serum and storage, but is released in less than 1 min with exposure to near infrared light...
May 15, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28500814/fta-cards-facilitate-storage-shipment-and-detection-of-arboviruses-in-infected-aedes-aegypti-collected-in-adult-mosquito-traps
#6
Sonja Hall-Mendelin, Glen R Hewitson, Doris Genge, Peter J Burtonclay, Amanda J De Jong, Alyssa T Pyke, Andrew F van den Hurk
AbstractThe utility of applying infected Aedes aegypti to Flinders Technology Associates (FTA(®)) cards for storage, transport, and detection of dengue, Zika, and Barmah Forest viruses was assessed in laboratory-based experiments. The mosquitoes had been removed from Gravid Aedes Traps maintained under conditions of high temperature and humidity. RNA of all viruses could be detected in infected mosquitoes on FTA cards either individually or in pools with uninfected mosquitoes, and stored for up to 28 days...
May 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28500652/freeze-dried-plasma-enhances-clot-formation-and-inhibits-fibrinolysis-in-the-presence-of-tissue-plasminogen-activator-similar-to-pooled-liquid-plasma
#7
Benjamin R Huebner, Ernest E Moore, Hunter B Moore, Angela Sauaia, Gregory Stettler, Monika Dzieciatkowska, Kirk Hansen, Anirban Banerjee, Christopher C Silliman
BACKGROUND: Systemic hyperfibrinolysis is an integral part of trauma-induced coagulopathy associated with uncontrolled bleeding. Recent data suggest that plasma-first resuscitation attenuates hyperfibrinolysis; however, the availability, transport, storage, and administration of plasma in austere environments remain challenging and have limited its use. Freeze-dried plasma (FDP) is a potential alternative due to ease of storage, longer shelf life, and efficient reconstitution. FDP potentially enhances clot formation and resists breakdown better than normal saline (NS) and albumin and similar to liquid plasma...
May 12, 2017: Transfusion
https://www.readbyqxmd.com/read/28490606/comparison-of-10-murine-models-reveals-a-distinct-biomechanical-phenotype-in-thoracic-aortic-aneurysms
#8
C Bellini, M R Bersi, A W Caulk, J Ferruzzi, D M Milewicz, F Ramirez, D B Rifkin, G Tellides, H Yanagisawa, J D Humphrey
Thoracic aortic aneurysms are life-threatening lesions that afflict young and old individuals alike. They frequently associate with genetic mutations and are characterized by reduced elastic fibre integrity, dysfunctional smooth muscle cells, improperly remodelled collagen and pooled mucoid material. There is a pressing need to understand better the compromised structural integrity of the aorta that results from these genetic mutations and renders the wall vulnerable to dilatation, dissection or rupture. In this paper, we compare the biaxial mechanical properties of the ascending aorta from 10 murine models: wild-type controls, acute elastase-treated, and eight models with genetic mutations affecting extracellular matrix proteins, transmembrane receptors, cytoskeletal proteins, or intracellular signalling molecules...
May 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28488968/prevention-of-red-cell-storage-lesion-a-comparison-of-five-different-additive-solutions
#9
Johan W Lagerberg, Herbert Korsten, Pieter F Van Der Meer, Dirk De Korte
BACKGROUND: In Europe, red cell concentrates (RCC) are usually stored in SAGM (saline-adenine-glucose-mannitol). During storage, in vitro red cell quality declines, including lowered energy status and increased cell lysis. Recently, several additive solutions (ASs), designed to diminish the decline in in vitro quality during storage, have been developed. These new solutions have mainly been developed to better maintain red blood cell (RBC) 2,3-biphosphoglycerate (2,3 BPG) levels and energy status during storage...
April 10, 2017: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/28483273/ex-vivo-machine-perfusion-for-renal-graft-preservation
#10
REVIEW
J Moritz Kaths, Andreas Paul, Lisa A Robinson, Markus Selzner
Kidney transplantation is the treatment of choice for end-stage renal disease. Despite its superiority over dialysis, the persisting organ shortage remains a major drawback. Additional sources to increase the donor pool are grafts recovered from extended criteria donors (ECD) and donation after circulatory death (DCD). Although transplantation of marginal grafts demonstrates promising outcomes, increased rates of primary non-function, delayed graft function, and reduced graft survival have been reported. Cold ischemic injury, caused by static cold storage is a significant risk factor for poor outcome...
April 26, 2017: Transplantation Reviews
https://www.readbyqxmd.com/read/28482309/why-does-carbon-increase-in-highly-weathered-soil-under-no-till-upon-lime-and-gypsum-use
#11
Thiago Massao Inagaki, João Carlos de Moraes Sá, Eduardo Fávero Caires, Daniel Ruiz Potma Gonçalves
Field experiments have been used to explain how soil organic carbon (SOC) dynamics is affected by lime and gypsum applications, however, how SOC storage occurs is still debatable. We hypothesized that although many studies conclude that Ca-based soil amendments such as lime and gypsum may lead to SOC depletion due to the enhancement of microbial activity, the same does not occur under conservation agriculture conditions. Thus, the objective of this study was to elucidate the effects of lime and gypsum applications on soil microbial activity and SOC stocks in a no-till field and in a laboratory incubation study simulating no-till conditions...
May 5, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28466544/comparison-of-bacterial-attachment-to-platelet-bags-with-and-without-preconditioning-with-plasma
#12
M Loza-Correa, M Kalab, Q-L Yi, L J Eltringham-Smith, W P Sheffield, S Ramirez-Arcos
BACKGROUND AND OBJECTIVES: Canadian Blood Services produces apheresis and buffy coat pooled platelet concentrates (PCs) stored in bags produced by two different manufacturers (A and B, respectively), both made of polyvinyl chloride-butyryl trihexyl citrate. This study was aimed at comparing Staphylococcus epidermidis adhesion to the inner surface of both bag types in the presence or absence of plasma factors. MATERIALS AND METHODS: Sets (N = 2-6) of bags type A and B were left non-coated (control) or preconditioned with platelet-rich, platelet-poor or defibrinated plasma (PRP, PPP and DefibPPP, respectively)...
May 3, 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/28452899/cytochrome-c-and-resveratrol-preserve-platelet-function-during-cold-storage
#13
Michael L Ekaney, Martin A Grable, William F Powers, Iain H McKillop, Susan L Evans
BACKGROUND: Donated platelets are stored at 22°C and discarded within 5 days because of diminished function and risk of bacterial contamination. Decline of platelet function has been attributed to decreased mitochondrial function and increased oxidative stress. Resveratrol (Res) and cytochrome c (Cyt c), in combination with hypothermic storage, may extend platelet viability. METHODS: Platelets from 20 donors were pooled into 4-independent sets and stored at 22°C or 4°C in the absence or presence of Res (50μM) or Cyt c (100μM) for up to 10d...
April 27, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28448932/seasonal-changes-of-fructans-in-dimorphic-roots-of-ichthyothere-terminalis-spreng-blake-asteraceae-growing-in-cerrado
#14
Lorrayne Veloso de Almeida, Pedro Henrique Ferri, José Carlos Seraphin, Moemy Gomes de Moraes
Cerrado is a floristically rich savanna in Brazil, whose vegetation consists of a physiognomic mosaic, influenced by rainfall seasonality. In the dry season rainfall is substantially lower and reduces soil water supply, mainly for herbs and subshrubs. Climatic seasonal variations may well define phenological shifts and induce fluctuations of plant reserve pools. Some Cerrado native species have thickened underground organs that bear buds and store reserves, as adaptive features to enable plant survival following environmental stresses...
April 24, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28446590/effects-of-rna-integrity-on-transcript-quantification-by-total-rna-sequencing-of-clinically-collected-human-placental-samples
#15
Mario Reiman, Maris Laan, Kristiina Rull, Siim Sõber
RNA degradation is a ubiquitous process that occurs in living and dead cells, as well as during handling and storage of extracted RNA. Reduced RNA quality caused by degradation is an established source of uncertainty for all RNA-based gene expression quantification techniques. RNA sequencing is an increasingly preferred method for transcriptome analyses, and dependence of its results on input RNA integrity is of significant practical importance. This study aimed to characterize the effects of varying input RNA integrity [estimated as RNA integrity number (RIN)] on transcript level estimates and delineate the characteristic differences between transcripts that differ in degradation rate...
April 26, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28439578/long-term-bond-strength-of-self-etch-adhesives-to-normal-and-artificially-eroded-dentin-effect-of-relative-humidity-and-saliva-contamination
#16
Fabienne Amsler, Anne Peutzfeldt, Adrian Lussi, Simon Flury
PURPOSE: To investigate the effect of relative humidity and saliva contamination on short- and long-term bond strength of two self-etch adhesives to normal and artificially eroded dentin. MATERIALS AND METHODS: A total of 480 dentin specimens were produced from extracted human molars. Half of the specimens (n = 240) were left untreated (normal dentin) whereas the other half (n = 240) were artificially eroded. The specimens were treated with Clearfil SE Bond (CSE) or Scotchbond Universal (SBU), and composite (Filtek Z250) was applied to the treated dentin surface under four experimental conditions: at a relative humidity of 45% or 85% without/with human saliva contamination...
April 21, 2017: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/28436872/hash-bit-selection-for-nearest-neighbor-search
#17
Xianglong Liu, Junfeng He, Shih-Fu Chang
To overcome the barrier of storage and computation when dealing with gigantic-scale data sets, compact hashing has been studied extensively to approximate nearest neighbor search. Despite the recent advances, critical design issues remain open in how to select the right features, hashing algorithms, and/or parameter settings. In this paper, we address these by posing an optimal hash bit selection problem, in which an optimal subset of hash bits are selected from a pool of candidate bits generated by different features, algorithms, or parameters...
April 19, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28429371/design-of-a-short-non-uniform-acquisition-protocol-for-quantitative-analysis-in-dynamic-cardiac-spect-imaging-a-retrospective-123-i-mibg-animal-study
#18
Yunlong Zan, Yong Long, Kewei Chen, Biao Li, Qiu Huang, Grant T Gullberg
PURPOSE: Our previous works have found that quantitative analysis of (123) I-MIBG kinetics in the heart with dynamic single-photon emission computed tomography (SPECT) offers the potential to quantify the innervation integrity at an early stage of left ventricular hypertrophy. However, conventional protocols involving a long acquisition time for dynamic imaging reduce the animal survival rate and thus make longitudinal analysis difficult. The goal of this work was to develop a procedure to reduce the total acquisition time by selecting non-uniform acquisition times for projection views while maintaining the accuracy and precision of estimated physiologic parameters...
April 21, 2017: Medical Physics
https://www.readbyqxmd.com/read/28427536/health-risks-of-food-oxidation
#19
Mario Estévez, Zhuqing Li, Olugbenga P Soladoye, Thomas Van-Hecke
The impact of dietary habits on our health is indisputable. Consumer's concern on aging and age-related diseases challenges scientists to underline the potential role of food on the extension and guarantee of lifespan and healthspan. While some dietary components and habits are generally regarded as beneficial for our health, some others are being found to exert potential toxic effects and hence, contribute to the onset of particular health disorders. Among the latter, lipid and protein oxidation products formed during food production, storage, processing, and culinary preparation have been recently identified as potentially harmful to humans...
2017: Advances in Food and Nutrition Research
https://www.readbyqxmd.com/read/28415037/enantiomer-specific-accumulation-and-depuration-of-%C3%AE-hexabromocyclododecane-%C3%AE-hbcdd-in-chicken-gallus-gallus-as-a-tool-to-identify-contamination-sources
#20
Elsa Omer, Ronan Cariou, Adeline Huneau-Salaün, Gaud Dervilly-Pinel, Élisabeth Baéza, Angélique Travel, Sophie Le Bouquin, Catherine Jondreville, Bruno Le Bizec
A LC-ESI(-)-HRMS method dedicated to the analysis of 6 HBCDD enantiomers at trace levels in animal matrices was developed, using a cellulose based stationary phase with a particle size of 2.5 μm. This method was applied to a sample set derived from a kinetic study of α-HBCDD previously conducted in fast- and slow-growing chickens (Gallus gallus domesticus, n = 49, plus controls), in order to study the enantiomer specific accumulation and depuration of α-HBCDD in various tissues. Regarding abdominal adipose tissue, muscle and liver, the average enantiomeric fractions of α-HBCDD (EFα) for continuously exposed groups ranged between 0...
April 10, 2017: Chemosphere
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