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https://www.readbyqxmd.com/read/29692096/-effects-of-light-quality-on-leaf-senescence-and-endogenous-hormones-content-in-grapevine-under-protected-cultivation
#1
Hai Bo Wang, Shuai Wang, Xiao di Wang, Xiang Bin Shi, Bao Liang Wang, Xiao Cui Zheng, Zhi Qiang Wang, Feng Zhi Liu
Two grape varieties 'Italia' and 'Centenial seedless' cultured in protected and delayed cultivation were used as experimental materials to study the effects of red and blue light quality on chlorophyll content, net photosynthetic rate, and endogenous hormone content during leaf senescence. The results showed that the chlorophyll content and net photosynthetic rate of the grapes were significantly enhanced in the red light treatment. Although the content of endogenous GA3 was decreased, an increase in abscisic acid (ABA) content and a decrease of total content of zeaxanthin (ZR) were obviously slowed, which led to the significant increase in value of (GA3 +ZR)/ABA, delaying leaf senescence...
November 2017: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
https://www.readbyqxmd.com/read/29692075/-phosphorus-application-effects-and-input-threshold-of-chinese-cabbage-in-the-oasis-irrigation-region
#2
Cai Yun Lian, Zhong Ming Ma
To resolve the problem of higher application and lower use efficiency of phosphorus fertilizer of Chinese cabbage (Brassica pekinensis), the yield, use efficiency of phosphate fertilizer and soil phosphate balance were examined by a located field trial in Zhangye Observation and Experiment Station of the Agro-ecological Environment in oasis irrigation region from 2011 to 2013. The results showed that the yield increased with the increase of phosphorus fertilization rate from 0 to 112.52 kg P·hm-2 , beyond which there would be no further enhancement...
February 2018: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
https://www.readbyqxmd.com/read/29692057/-effects-of-selective-cutting-on-soil-phosphorus-forms-and-availability-in-korean-pine-broad-leaved-forest-in-xiaoxing-an-mountains-of-china
#3
Xin Zhang, Hui Yan Gu, Xiang Wei Chen
In order to clarify the effects of selective cutting on soil phosphorus availability in Korean pine broad-leaved forest, surface soil (0-10 cm) samples from original Korean pine broad-leaved forest and natural forests with mild, medium and intensive cutting disturbances were collected. The Sui modified Hedley phosphorus fractionation method was used to continuously extract soil samples and analyzed the differences and changes of soil phosphorus fractions from different experimental stands. The results showed that the soil total phosphorus content of Korean pine broad-leaved forest varied from 1...
February 2018: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
https://www.readbyqxmd.com/read/29692049/-spatial-distribution-patterns-and-associations-of-typical-tree-species-in-different-regions
#4
Hai Bing Yan, Hui Jing Ma, Fan Feng, Nan Liang, Chan Shi, Xiu Qing Yang, You Zhi Han
Based on the monitoring data from the plots of Changbai Mountains in the temperate zone (CBS), Guandi Mountain in the warm temperate zone (GDS), Heishiding Mountain in the subtropical zone (HSD), we analyzed the spatial distribution of tree species from three families (Pinaceae, Fagaceae, Rosaceae) and their correlation using paired correlation function g(r). The results showed that the individual number and size class structural characteristics of the trees from the three families varied among different regions...
February 2018: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
https://www.readbyqxmd.com/read/29692046/-species-functional-structural-diversity-of-typical-plant-communities-and-their-responses-to-environmental-factors-in-miao-archipelago-china
#5
Li Ting Zheng, Tian Su, Xiang Yu Liu, Fang Yin, Chao Guo, Bin Tuo, En Rong Yan
Island vegetation plays an important role in biodiversity research across the world. The study of plant diversity in island is helpful for understanding the mechanism of plant diversity maintenance under land-sea interaction. Here, four typical plant communities (Quercus acutissima community, Robinia pseudoacacia community, Pinus thunbergii community and Vitex negundo community) in Miao Archipelago were selected to examine the species, functional and structural diversities and their responses to environmental factors at the community scale by using species diversity indices, functional diversity indices, as well as structural diversity indices...
February 2018: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
https://www.readbyqxmd.com/read/29692037/-characterization-of-cadmium-uptake-kinetics-in-cadmium-pollution-safe-rice-material
#6
Jing Yi Guo, Man Zhang, Xi Zhou Zhang, Ting Xuan Li, Lu Zhang, Fu Huang, Dong Ming Chen, Xian Ming Sun
The characteristics of cadmium (Cd) uptake kinetics in a pollution-safe rice variety of D62B were studied in a hydroponic experiment under different Cd levels and stress time, with a common variety Luhui17 as the control. The results showed that Cd uptake in root of D62B was significantly lower than that of Luhui17 under different stress times. The differences in Cd uptake of the two rice varieties increased with the extension of absorption time. Total Cd amount of Luhui17 was 1.3 times as much as that of D62B when the absorption time was 72 h...
January 2018: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
https://www.readbyqxmd.com/read/29692023/-effects-of-exogenous-growth-regulators-on-plant-elongation-and-carbohydrate-consumption-of-rice-seedlings-under-submergence
#7
Hui Wu, Jing Xiang, Hui Zhe Chen, Yu Ping Zhang, Yi Kai Zhang, De Feng Zhu
This experiment was conducted to evaluate the effects of exogenous regulators on plant elongation and carbohydrate consumption of rice seedlings under submergence. IR64 and IR64-Sub1 with submergence tolerance gene Sub1 were used. Twenty-day-old seedlings were sprayed with 1-aminocyclopropane-1-carboxylic acid (ACC), paclobutrazol (PB), gibberellic acid (GA), or distilled water (as control) two days prior to the submergence. Plants were completely submerged and water depth was maintained for 0, 4, 8, 12, 16 days respectively in tanks...
January 2018: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
https://www.readbyqxmd.com/read/29692021/-effects-of-loss-controlled-urea-on-ammonia-volatilization-n-translocation-and-utilization-efficiency-in-paddy-rice
#8
Xin Xin Xue, Xiao Ping Wu, Yong Fa Zhang, Xue Hua Luo, Bi Xia Zou, Da Peng Wang, Wen Bin Wang
With the common urea split application (CU) as the control, a field experiment was conducted to examine the effects of loss-controlled urea by split application (LCUS) and loss-controlled urea by basal application (LCUB) on ammonia volatilization (NH3 ), nitrogen (N) nutrition status, grain yield and N utilization efficiency in rice plants. The results showed that the ratio of NH3 volatilization loss to total N application were 15.8%, 13.4% and 19.7% under the conditions of CU, LCUS and LCUB treatments, respectively...
January 2018: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
https://www.readbyqxmd.com/read/29692016/-temporal-and-spatial-heterogeneity-analysis-of-optimal-value-of-sensitive-parameters-in-ecological-process-model-the-biome-bgc-model-as-an-example
#9
Yi Zhe Li, Ting Long Zhang, Qiu Yu Liu, Ying Li
The ecological process models are powerful tools for studying terrestrial ecosystem water and carbon cycle at present. However, there are many parameters for these models, and weather the reasonable values of these parameters were taken, have important impact on the models simulation results. In the past, the sensitivity and the optimization of model parameters were analyzed and discussed in many researches. But the temporal and spatial heterogeneity of the optimal parameters is less concerned. In this paper, the BIOME-BGC model was used as an example...
January 2018: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
https://www.readbyqxmd.com/read/29692000/phloroglucinol-derivatives-from-the-fruits-of-eucalyptus-globulus-and-their-cytotoxic-activities
#10
Pham Thi-Anh, Imran Shair Mohammad, Vu Van-Tuan, Hu Xiao-Long, Chaurasiya Birendra, Aftab Ulah, Guo Cui, Lv Xian-Yu, Ye Wen-Cai, Wang Hao
A new phloroglucinol derivative, named Eucalyptin B (1), along with five related known compounds (2-6), was isolated from the fruits of Eucalyptus globulus. Their structures were elucidated by means of 1D and 2D NMR spectroscopy, with the absolute configuration of 1 determined by electronic circular dichroism (ECD) calculations. All isolated compounds (1-6) were evaluated for their cytotoxic activities against lung (A549), breast (4T1), and skin (B16F10) cancer cell lines. On the basis of cytoxicity the antitumor activity of Eucalyptin B (1) was further confirmed by apoptosis assay...
April 24, 2018: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/29691976/time-together-a-nursing-intervention-in-psychiatric-inpatient-care-feasibility-and-effects
#11
Jenny Molin, Britt-Marie Lindgren, Ulla Hällgren Graneheim, Anders Ringnér
The facilitation of quality time between patients and staff in psychiatric inpatient care is useful to promote recovery and reduce stress experienced by staff. However, interventions are reported to be complex to implement and are poorly described in the literature. This multisite study aimed to evaluate the feasibility and effects of the nursing intervention Time Together, using mixed methods. Data consisted of notes from participant observations and logs to evaluate feasibility, and questionnaires to evaluate effects...
April 25, 2018: International Journal of Mental Health Nursing
https://www.readbyqxmd.com/read/29691958/brain-based-treatment-a-new-approach-or-a-well-forgotten-old-one
#12
Vanya Matanova, Zlatomira Kostova, Martin Kolev
For a relatively long period of time, mental functioning was mainly associated with personal profile while brain functioning went by the wayside. After the 90s of the 20th century, or the so called "Decade of the Brain", today, contemporary specialists work on the boundary between fundamental science and medicine. This brings neuroscience, neuropsychology, psychiatry, and psychotherapy closer to each other. Today, we definitely know that brain structures are being built and altered thanks to experience...
April 24, 2018: Journal of Evaluation in Clinical Practice
https://www.readbyqxmd.com/read/29691632/mathematical-modeling-of-climate-change-and-malaria-transmission-dynamics-a-historical-review
#13
REVIEW
Steffen E Eikenberry, Abba B Gumel
Malaria, one of the greatest historical killers of mankind, continues to claim around half a million lives annually, with almost all deaths occurring in children under the age of five living in tropical Africa. The range of this disease is limited by climate to the warmer regions of the globe, and so anthropogenic global warming (and climate change more broadly) now threatens to alter the geographic area for potential malaria transmission, as both the Plasmodium malaria parasite and Anopheles mosquito vector have highly temperature-dependent lifecycles, while the aquatic immature Anopheles habitats are also strongly dependent upon rainfall and local hydrodynamics...
April 24, 2018: Journal of Mathematical Biology
https://www.readbyqxmd.com/read/29691571/-case-based-learning-based-on-cbct-software-in-clinical-teaching-of-oral-and-maxillofacial-radiology
#14
Ling Zhu, Xia Cao, Xiao-Feng Tao
PURPOSE: To compare the teaching result of case-based learning based on cone-beam CT (CBCT) software and traditional pantomography. METHODS: Thirty-eight interns (7-year programme) of grade 2011 from College of Stomatology, Shanghai Jiao Tong University were enrolled. The inner diameter of the nasopalatine ducts (A), the length of upper canine's pulp cavity (B), the length between root furcation of upper first molar and the maxillary sinus (C), the length between the root of lower wisdom tooth and the inferior alveolar nerve (D) were measured on pantomographic films and CBCT in the same case...
December 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/29691563/-clinical-analysis-of-spectrum-ct-imaging-reducing-metal-artifacts-of-oral-and-maxillofacial-region
#15
Qi Sun, Min-Jun Dong, Xing Yang, Meng-da Jiang, Xiao-Feng Tao
PURPOSE: To assess the capability of monochromatic energy images of gemstone spectral imaging(GSI) by using spectral CT in reducing metal artifacts of oral and maxillofacial region. METHODS: Spectral CT imaging was applied to 46 patients with metallic implants with GSI sequence to measure CT numbers (expressed in Hounsfield units, HU) and SD (standard deviation) numbers of the soft tissues. 11 monochromatic-image groups were obtained, ranging from 40 keV(kiloelectronvolts) to 140 keV (every 10 keV as one group)...
December 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/29691532/black-rice-anthocyanin-rich-extract-and-rosmarinic-acid-alone-and-in-combination-protect-against-dss-induced-colitis-in-mice
#16
Lei Zhao, Yali Zhang, Guorong Liu, Shuai Hao, Chengtao Wang, Yong Wang
The aim of this study was to investigate the effect of black rice anthocyanin-rich extract (BRAE) and rosmarinic acid (RA), alone and in combination, on dextran sulfate sodium (DSS)-induced colitis in mice. Results showed that administration of BRAE and RA, alone and in combination, significantly decreased the disease activity index (DAI) and the histological score of colons in DSS-induced colitis mice. Moreover, the administration of BRAE and RA, alone and in combination, not only reduced myeloperoxidase (MPO) and nitric oxide (NO) levels, but also inhibited the expression of pro-inflammatory mediators including interleukin (IL)-6, IL-1β, tumor necrosis factor (TNF)-α, inducible nitric oxide synthase (iNOS) and cyclooxygenase (COX)-2...
April 25, 2018: Food & Function
https://www.readbyqxmd.com/read/29691526/black-pepper-based-beverage-induced-appetite-suppressing-effects-without-altering-postprandial-glycaemia-gut-and-thyroid-hormones-or-gastrointestinal-well-being-a-randomized-crossover-study-in-healthy-subjects
#17
Yoghatama Cindya Zanzer, Merichel Plaza, Anestis Dougkas, Charlotta Turner, Elin Östman
Pleiotropic effects of spices on health, particularly on glucose metabolism and energy regulation, deserve further clinical investigation into their efficacy. The aim of the current study was to evaluate whether consumption of a black pepper-based beverage (BPB) preload containing 20 mg gallic acid equivalent (GAE) would exert any effect on postprandial glycaemia, appetite sensations, gut hormones, thyroid function, and gastrointestinal well-being after a white wheat bread (WWB) challenge meal containing 50 g available carbohydrates (CHO) compared to a control beverage...
April 25, 2018: Food & Function
https://www.readbyqxmd.com/read/29691525/multiple-mechanisms-applied-by-lactobacillus-pentosus-at6-to-mute-the-lethal-effects-of-salmonella-in-a-mouse-model
#18
Junsheng Liu, Zhennan Gu, Wenwei Lu, Diangeng Hu, Xi Zhao, Hongxuan Huang, Hao Zhang, Jianxin Zhao, Wei Chen
Probiotics are now prevalent world-wide, as functional food supplements with many benefits for humans and animals, such as protective effects against pathogenic infection. We showed that oral supplementation of Lactobacillus pentosus AT6 (AT6) decreased the mortality rate of mice with Salmonella infection. A series of experiments showed that the protective effects of AT6 on mice involved multiple mechanisms, including (1) the inhibition of Salmonella Typhimurium growth by AT6 or its cell-free culture supernatants (CFCSs); (2) the reduction of the bacterial loads of Salmonella Typhimurium in intestinal contents and internal organs, such as the liver and spleen; (3) the inhibition of adhesion and invasion of Salmonella Typhimurium into intestinal epithelial cells; and (4) the regulation of host immunities by modifying the production of a chain of cytokines...
April 25, 2018: Food & Function
https://www.readbyqxmd.com/read/29691488/eating-away-from-home-a-risk-factor-for-overweight-in-children
#19
Aristides M Machado-Rodrigues, Augusta Gama, Isabel Mourão, Helena Nogueira, Vítor Rosado-Marques, Cristina Padez
The present study examined the association between childhood overweight, children's meals and eating out in three types of restaurants (traditional Portuguese food restaurant, fast-food restaurant and snack bar). A representative sample of Portuguese children (5706 boys; 5950 girls aged 6-11 years) was used for this analysis and an ethnographic study with 233 interviews of the owners of snack bars in Coimbra (Portugal). Weight and height were measured (body mass index was consequently calculated). A familial and nutritional questionnaire was filled out by parents...
April 25, 2018: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29691467/low-bilirubin-levels-indicate-a-high-risk-of-cerebral-deep-white-matter-lesions-in-apparently-healthy-subjects
#20
Satoshi Higuchi, Yusuke Kabeya, Junko Uchida, Kiyoe Kato, Nobuhiro Tsukada
Recent studies have reported that deep white matter lesions (DWMLs) on magnetic resonance imaging scans are related to the risk of developing impaired cognitive function in future. Bilirubin exhibits a potent antioxidant effect and an inverse relationship has been reported between bilirubin levels and the risk of several atherosclerotic diseases; however, there is limited evidence with regard to the effect of bilirubin levels on cerebrovascular diseases including DWMLs. This cross-sectional study included 1121 apparently healthy Japanese adults...
April 24, 2018: Scientific Reports
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