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Chilling requirement

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https://www.readbyqxmd.com/read/29745660/significance-of-genetic-environmental-and-pre-and-post-harvest-factors-affecting-carotenoid-contents-in-crops-a-review
#1
Ramesh Kumar Saini, Young Soo Keum
Carotenoids are a diverse group of tetraterpenoid pigments that play indispensable roles in plants and animals. The biosynthesis of carotenoids in plants is strictly regulated at the transcriptional and post-transcriptional levels in accordance with inherited genetic signals, developmental requirements, and in response to external environmental stimulants. The alteration in the biosynthesis of carotenoids under the influence of external environmental stimulants, such as high light, drought, salinity, and chilling stresses, has been shown to significantly influence the nutritional value of crop plants...
May 10, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29734146/rituximab-as-a-therapeutic-option-for-steroid-sensitive-minimal-change-nephrotic-syndrome-in-adults
#2
Yuko Iwabuchi, Takahito Moriyama, Mitsuyo Itabashi, Takashi Takei, Kosaku Nitta
Minimal change nephrotic syndrome (MCNS) usually responds to steroids but frequently relapses, requiring additional treatment with immunosuppressive agents. Rituximab is a chimeric murine/human monoclonal immunoglobulin G1 antibody that targets CD20, a B-cell differentiation marker. B-cell recovery begins at approximately 6 months following the completion of treatment. Rituximab has a beneficial effect, with the sustained remission or reduction of proteinuria in patients with steroid-dependent MCNS. Relapses are thought to be associated with an increase in CD19 cells...
2018: Contributions to Nephrology
https://www.readbyqxmd.com/read/29733640/a-chilling-prospect-climate-change-effects-of-mismanaged-refrigerants-in-china
#3
Huabo Duan, T Reed Miller, Gang Liu, Xianlai Zeng, Keli Yu, Qifei Huang, Jian Zuo, Yufei Qin, Jinhui Li
The global community has responded to the dual threats of ozone depletion and climate change from refrigerant emissions (e.g., chlorofluorocarbons, CFCs, and hydrofluorocarbons, HFCs) in refrigerators and air conditioners (RACs) by agreeing to phase out the production of the most damaging chemicals and replacing them with substitutes. Since these refrigerants are 'banked' in products during their service life, they will continue to impact our environment for decades to come if they are released due to mismanagement at the end of life...
May 7, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29728284/emergency-department-visits-for-work-related-injuries
#4
Allison Tadros, Melinda Sharon, Nicholas Chill, Shane Dragan, Jeremy Rowell, Shelley Hoffman
BACKGROUND: Work-related injuries are commonly seen in the emergency department (ED). This study sought to analyze characteristics of ED patient visits that were billed under workers' compensation. METHODS: This was a retrospective chart review of visits during 2015 that were billed under workers' compensation at an academic ED. The following variables were collected: age, gender, mechanism of injury/exposure, diagnoses, imaging performed, specialty consultation, operative requirement, follow-up specialty, and ED disposition...
April 25, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29650156/temperature-variation-caused-by-sowing-dates-significantly-affects-floral-initiation-and-floral-bud-differentiation-processes-in-rapeseed-brassica-napus-l
#5
Tao Luo, Jing Zhang, Mohammad Nauman Khan, Jiahuan Liu, Zhenghua Xu, Liyong Hu
To understand the influence of temperature on floral initiation and to reveal the relationship between floral bud development and yield potential of rapeseed (Brassica napus L.), early- ("1358"), intermediate- ("Zhongshuang No.11") and late- ("Zheshuang No.8") maturity genotypes were sown on different sowing dates under field conditions during four crop seasons. A multiplicative model was introduced to distinguish and quantify the effects of photoperiod and temperature on pre-floral initiation phase...
June 2018: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/29621839/q-fever-a-rural-disease-with-potential-urban-consequences
#6
Keith Eastwood, Peter D Massey, Penny Hutchinson, Debra van den Berg, Katrina Bosward, Stephen R Graves
BACKGROUND: Q fever often presents as an undifferentiated febrile illness. Cases occur throughout Australia, with higher rates occurring in northern New South Wales and southern Queensland. OBJECTIVE: This article aims to provide clinicians with an overview of Q fever, and covers epidemiology, clinical features, laboratory diagnosis, sequelae, management and prevention. DISCUSSION: In Australia, Q fever is the most commonly reported zoonotic disease...
March 2018: Australian journal of general practice
https://www.readbyqxmd.com/read/29615331/a-novel-wall-water-system-for-cardiopulmonary-bypass-may-reduce-the-risk-of-aerosolized-infection
#7
Gregory S Matte, Thomas J Sandora, Robert J Howe, William L Regan, Gail Potter-Bynoe, James R Neal, Pedro J Del Nido
OBJECTIVE: Oxygenators for cardiopulmonary bypass require water flow for their integral heat exchanger. Heater-cooler units are nearly universally used for this requirement. Heater-cooler units pose the risk of aerosolized infection. The Centers for Disease Control and Prevention recommended discontinuing use of Stöckert 3T heater-cooler units (LivaNova PLC, London, United Kingdom) in October 2016 because of this risk. We aimed to reduce the risk of aerosolized infection posed by heater-cooler units by eliminating those devices from our operating rooms...
March 7, 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29570924/the-impact-of-global-warming-on-germination-and-seedling-emergence-in-alliaria-petiolata-a-woodland-species-with-dormancy-loss-dependent-on-low-temperature
#8
Steven Footitt, Ziyue Huang, Hülya Ölcer-Footitt, Heather Clay, William E Finch-Savage
The impact of global warming on seed dormancy loss and germination was investigated in Alliaria petiolata (Garlic Mustard), a common woodland/hedge row plant in Eurasia considered invasive in N. America. Increased temperature may have serious implications since seeds of this species germinate and emerge at low temperatures early in spring to establish and grow before canopy development of competing species. Dormancy was evaluated in seeds buried in field soils. Seedling emergence was also investigated in the field, and in a thermogradient tunnel under global warming scenarios representing predicted UK air temperatures through to 2080...
March 23, 2018: Plant Biology
https://www.readbyqxmd.com/read/29564242/analysis-of-a-poultry-slaughter-process-influence-of-process-stages-on-the-microbiological-contamination-of-broiler-carcasses
#9
Denise Althaus, Claudio Zweifel, Roger Stephan
In a large-scale Swiss poultry abattoir, a microbiological process analysis of broiler carcasses was performed. At each selected process stage (scalding, plucking, evisceration, washing, and chilling), 90 carcasses from 30 flocks were sampled and examined for Campylobacter , Salmonella , Escherichia coli , Enterobacteriaceae, and extended-spectrum b-lactamases-producing Enterobacteriaceae. With regard to Campylobacter counts on carcasses, plucking tended to slightly increase the results (on average by 0.4 log CFU/g), whereas mean counts from plucked and chilled carcasses were comparable (3...
October 20, 2017: Italian Journal of Food Safety
https://www.readbyqxmd.com/read/29497434/dormant-flower-buds-actively-accumulate-starch-over-winter-in-sweet-cherry
#10
Erica Fadón, María Herrero, Javier Rodrigo
Temperate woody perennials survive to low temperatures in winter entering a dormant stage. Dormancy is not just a survival strategy, since chilling accumulation is required for proper flowering and arbitrates species adaptation to different latitudes. In spite of the fact that chilling requirements have been known for two centuries, the biological basis behind remain elusive. Since chilling accumulation is required for the normal growth of flower buds, it is tempting to hypothesize that something might be going on at this particular stage during winter dormancy...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29366615/the-evaluation-and-management-of-toxic-shock-syndrome-in-the-emergency-department-a-review-of-the-literature
#11
Michael Gottlieb, Brit Long, Alex Koyfman
BACKGROUND: Toxic shock syndrome (TSS) is a severe, toxin-mediated illness that can mimic several other diseases and is lethal if not recognized and treated appropriately. OBJECTIVE: This review provides an emergency medicine evidence-based summary of the current evaluation and treatment of TSS. DISCUSSION: The most common etiologic agents are Staphylococcus aureus and Streptococcus pyogenes. Sources of TSS include postsurgical wounds, postpartum, postabortion, burns, soft tissue injuries, pharyngitis, and focal infections...
January 20, 2018: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29286452/esophageal-heat-transfer-for-patient-temperature-control-and-targeted-temperature-management
#12
Melissa I Naiman, Maria Gray, Joseph Haymore, Ahmed F Hegazy, Andrej Markota, Neeraj Badjatia, Erik B Kulstad
Controlling patient temperature is important for a wide variety of clinical conditions. Cooling to normal or below normal body temperature is often performed for neuroprotection after ischemic insult (e.g. hemorrhagic stroke, subarachnoid hemorrhage, cardiac arrest, or other hypoxic injury). Cooling from febrile states treats fever and reduces the negative effects of hyperthermia on injured neurons. Patients are warmed in the operating room to prevent inadvertent perioperative hypothermia, which is known to cause increased blood loss, wound infections, and myocardial injury, while also prolonging recovery time...
November 21, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29273002/mining-and-expression-analysis-of-candidate-genes-involved-in-regulating-the-chilling-requirement-fulfillment-of-paeonia-lactiflora-hang-baishao
#13
Jiaping Zhang, Danqing Li, Xiaohua Shi, Dong Zhang, Shuai Qiu, Jianfen Wei, Jiao Zhang, Jianghua Zhou, Kaiyuan Zhu, Yiping Xia
BACKGROUND: The artificial enlargement of the planting area and ecological amplitude of ornamentals for horticultural and landscape applications are significant. Herbaceous peony (Paeonia lactiflora Pall.) is a world-famous ornamental with attractive and fragrant flowers and is mainly planted in temperate and cool areas. Comparatively higher winter temperatures in the subtropical and tropical Northern Hemisphere result in a deficit of chilling accumulation for bud dormancy release, which severely hinders "The southward plantation of herbaceous peony"...
December 22, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29226457/investigation-of-in-vitro-measurable-sperm-attributes-and-their-influence-on-electroejaculated-bull-semen-with-a-fixed-time-artificial-insemination-protocol-in-australian-bos-indicus-cattle
#14
N Satake, Saa Edwards, D Tutt, M R McGowan, G B Boe-Hansen
Increasing use of fixed-time artificial insemination (FTAI) in beef cattle production has presented an opportunity for the use of fresh or chilled semen as an alternative to standard cryopreserved semen. The objective of this study was to examine in vitro sperm function and pregnancy rate of electroejaculated semen, chilled and stored for 48 hr, compared to conventionally cryopreserved semen with an optimized FTAI protocol in Brahman cattle. Semen from three Brahman bulls was collected, and aliquots were extended in either chilled (at 5°C) or frozen (LN2 ) in a Tris-egg yolk extender base with 2...
April 2018: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/29197142/new-insights-on-plant-phenological-response-to-temperature-revealed-from-long-term-widespread-observations-in-china
#15
Haicheng Zhang, Shuguang Liu, Pierre Regnier, Wenping Yuan
Constraints of temperature on spring plant phenology are closely related to plant growth, vegetation dynamics, and ecosystem carbon cycle. However, the effects of temperature on leaf onset, especially for winter chilling, are still not well understood. Using long-term, widespread in situ phenology observations collected over China for multiple plant species, this study analyzes the quantitative response of leaf onset to temperature, and compares empirical findings with existing theories and modeling approaches, as implemented in 18 phenology algorithms...
December 2, 2017: Global Change Biology
https://www.readbyqxmd.com/read/29167584/performance-monitoring-of-chilled-water-distribution-systems-using-hvac-cx
#16
Natascha Milesi Ferretti, Michael A Galler, Steven T Bushby
In this research we develop, test, and demonstrate the newest extension of the software HVAC-Cx (NIST and CSTB 2014), an automated commissioning tool for detecting common mechanical faults and control errors in chilled-water distribution systems (loops). The commissioning process can improve occupant comfort, ensure the persistence of correct system operation, and reduce energy consumption. Automated tools support the process by decreasing the time and the skill level required to carry out necessary quality assurance measures, and as a result they enable more thorough testing of building heating, ventilating, and air-conditioning (HVAC) systems...
2017: ASHRAE Transactions
https://www.readbyqxmd.com/read/29163569/olive-cultivation-in-the-southern-hemisphere-flowering-water-requirements-and-oil-quality-responses-to-new-crop-environments
#17
REVIEW
Mariela Torres, Pierluigi Pierantozzi, Peter Searles, M Cecilia Rousseaux, Georgina García-Inza, Andrea Miserere, Romina Bodoira, Cibeles Contreras, Damián Maestri
Olive ( Olea europaea L.) is a crop well adapted to the environmental conditions prevailing in the Mediterranean Basin. Nevertheless, the increasing international demand for olive oil and table olives in the last two decades has led to expansion of olive cultivation in some countries of the southern hemisphere, notably in Argentina, Chile, Perú and Australia. While the percentage of world production represented by these countries is still low, many of the new production regions do not have typical Mediterranean climates, and some are located at subtropical latitudes where there is relatively little information about crop function...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29130765/microbiological-profile-of-three-commercial-poultry-processing-plants-in-colombia
#18
Alejandra Ramírez-Hernández, Andrea Varón-García, Marcos X Sánchez-Plata
Poultry meat production in Colombia has significant growth potential to fulfill national demands and to become an important global exporter. Entering export markets requires compliance with international food safety standards and the support of a rigorous national inspection system. To support the development of national standards, information about the microbiological profiles of poultry operations is needed, and no official microbiological baseline is currently available. A total of 480 chicken carcass rinses and 64 fecal samples were collected at different process sites from three commercial poultry processing establishments located in different regions of Colombia...
December 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/29098192/forgotten-perinephric-drain-anchored-in-the-tissues-lessons-to-be-learned
#19
Prashant Kumar, Rishi Nayyar
Background: Drainage of any deep seated abscess often requires placement of catheters along with other conservative measures. These catheters are removed when the drainage volume reduces to clinically insignificant levels. However, if left in situ , there are potential complications. One such complication necessitating additional surgical procedure is highlighted in this case report. Malecot's catheter and children may be more at risk for such a complication. Case Presentation: A 7-year-old girl presented with recurrent episodes of right flank pain associated with high-grade fever with chills for the last 5 months and right perinephric drain in situ ...
2017: Journal of Endourology Case Reports
https://www.readbyqxmd.com/read/29075480/control-of-nematodirus-spp-infection-by-sheep-flock-owners-in-northern-ireland
#20
Connor McMahon, Hillary W J Edgar, Jason P Barley, Robert E B Hanna, Gerard P Brennan, Ian Fairweather
BACKGROUND: To address a lack of information on the control of ovine helminth parasites in Northern Ireland (NI), a number of research projects have been undertaken, dealing with gastrointestinal nematodes, tapeworms and liver fluke. This investigation concerns Nematodirus and concentrates on three aspects of disease: farm management strategies for its control, derived from the results of a Questionnaire; the efficacy of treatment used by farmers, as determined by a coprological survey; and the hatching requirements of Nematodirus eggs, that is, whether prolonged chilling is a pre-requisite for hatching...
2017: Irish Veterinary Journal
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