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https://www.readbyqxmd.com/read/28330169/investigating-the-effect-of-drought-stress-on-expression-of-wrky1-and-erebp1-genes-and-antioxidant-enzyme-activities-in-lemon-balm-melissa-officinalis-l
#1
Mehdi Rahimi, Mojtaba Kordrostami, Mahmood Maleki, Mohsen ModaresKia
Drought stress is a severe environmental constraint to plant productivity. In this study, gene expression of WRKY1 and EREBP1 genes and activity of two enzymes were investigated in two genotypes, G9 (as resistance) and G12 (as susceptible) of 10 days-old lemon balm seedlings. Experiments were done according to factorial design on the base of completely randomized design with three replications for expression analysis and enzyme assays. Seedlings were cultured in MS medium suspensions, including 0, 3, 6, 12 and 15 % w/v PEG 6000...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28323815/retraction-experimental-orthotopic-transplantation-of-a-tissue-engineered-oesophagus-in-rats
#2
Sebastian Sjöqvist, Philipp Jungebluth, Mei Ling Lim, Johannes C Haag, Ylva Gustafsson, Greg Lemon, Silvia Baiguera, Miguel Angel Burguillos, Costantino Del Gaudio, Antonio Beltrán Rodríguez, Alexander Sotnichenko, Karolina Kublickiene, Henrik Ullman, Heike Kielstein, Peter Damberg, Alessandra Bianco, Rainer Heuchel, Ying Zhao, Domenico Ribatti, Cristián Ibarra, Bertrand Joseph, Doris A Taylor, Paolo Macchiarini
No abstract text is available yet for this article.
March 21, 2017: Nature Communications
https://www.readbyqxmd.com/read/28318393/pathways-to-adolescent-childbearing-among-kaqchikel-women-in-guatemala
#3
Emily Lemon, Monique Hennink, Nely Amparo Can Saquic
One-in-five children in Guatemala is born to a mother aged 15-19 years, which poses social, economic and health risks to both mother and child. In Guatemala, adolescent childbearing is directly associated with education, ethnicity and poverty, which increases vulnerability among Indigenous young women living in poverty. This study examines the context and experiences of adolescent childbearing from the perspectives of young mothers in the Kaqchikel Indigenous ethnic group of Sololá, Guatemala. Data were collected in 19 qualitative in-depth interviews with women who had given birth to one or more children when aged 15 to 19 years...
March 20, 2017: Culture, Health & Sexuality
https://www.readbyqxmd.com/read/28303784/a-rapid-method-for-the-quantitative-determination-of-34-pesticides-in-nonalcoholic-carbonated-beverages-using-liquid-liquid-extraction-coupled-to-dispersive-solid-phase-cleanup-followed-by-gas-chromatography-with-tandem-mass-spectrometry
#4
Satyajeet Rai, Madhuri Devi Gullapalli, Anshuman Srivastava, Hussain Shaik, Mohammed Haris Siddiqui, Mohana Krishna Reddy Mudiam
An economical, rapid, and sensitive multiresidue method using liquid-liquid extraction (LLE) coupled with dispersive SPE (dSPE) cleanup was developed for the quantitative determination of 34 multiclass multiresidue (MCMR) pesticides (14 organochlorines, eight organophosphates, 10 synthetic pyrethroids, and two herbicides) in nonalcoholic carbonated beverages (cola, orange, lemon-lime, and citra) using GC with tandem MS. The procedure mainly involved LLE by dichloromethane and dSPE cleanup in the presence of magnesium sulfate, primary secondary amine, and C<sub>18</sub>...
March 16, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28288295/prevalence-and-extrinsic-risk-factors-for-dental-erosion-in-adolescents
#5
Ana C Mafla, Ximena A Cerón-Bastidas, Maria E Munoz-Ceballos, Diana C Vallejo-Bravo, Maria C Fajardo-Santacruz
OBJECTIVE: This manuscript examined the prevalence and extrinsic risk factors for dental erosion (DE) in early and middle adolescents in Pasto, Colombia. STUDY DESIGN: Dental erosion was evaluated in a random sample of 384 individuals aged 10-15 years attending three primary and high schools in this cross-sectional study. Clinical dental assessment for DE was done using O'Sullivan index. Data on general sociodemographic variables and extrinsic risks factors were obtained...
2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28287741/ph-elicited-luminescence-functionalities-of-carbon-dots-mechanistic-insights
#6
Sharmistha Dutta Choudhury, Jiddhu M Chethodil, Poojan Milan Gharat, Praseetha P K, Haridas Pal
Remarkable and systematic pH dependent changes are observed in the absorption and emission spectra of carbon dots derived for the first time, from lemon juice, a natural bio-resource. Detailed photophysical studies of these novel carbon dots (henceforth referred as LD), in conjunction with FTIR spectra, reveal that among the two possible prototropic equilibria, phenol ↔ phenolate and carboxylic ↔ carboxylate, that occur at the surface of LD; it is the former that is actually coupled with the emissive moiety and directly involved in determining the nature of the electronic energy levels and the associated optical transitions...
March 13, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28280379/amylmetacresol-2-4-dichlorobenzyl-alcohol-hexylresorcinol-or-carrageenan-lozenges-as-active-treatments-for-sore-throat
#7
Martina Morokutti-Kurz, Christine Graf, Eva Prieschl-Grassauer
Up to 80% of sore throats are caused by viruses. Several over the counter products are available which provide symptomatic, not causal relief. For such lozenges, containing the antiseptics and local anesthetics amylmetacresol (AMC) and 2,4-dichlorobenzyl alcohol (DCBA) or hexylresorcinol (HR), recently an additional virucidal effect was published. Therefore, we tested a set of Strepsils(®) lozenges, containing either HR (Max [#2]) or AMC/DCBA (Original [#3], Extra Strong [#4], Warm [#5], Orange and Vitamin C [#6], Sugar free Lemon [#7], Children/Strawberry [#8] and Soothing Honey and Lemon [#9]) for their antiviral efficiency against representatives of respiratory viruses known to cause sore throat: human rhinovirus (HRV) 1a, HRV8, influenza virus A H1N1n, Coxsackievirus A10, and human coronavirus (hCoV) OC43...
2017: International Journal of General Medicine
https://www.readbyqxmd.com/read/28262922/experts-explore-the-state-of-bacterial-vaginosis-and-the-unmet-needs-facing-women-and-providers
#8
Steven E Chavoustie, Scott E Eder, William D Koltun, Tracey R Lemon, Caroline Mitchell, Paul Nyirjesy, Jack D Sobel, Ryan Sobel, Rachel Villanueva
No abstract text is available yet for this article.
March 6, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28257056/interaction-of-type-iv-toxin-antitoxin-systems-in-cryptic-prophages-of-escherichia-coli-k-12
#9
Zhongling Wen, Pengxia Wang, Chenglong Sun, Yunxue Guo, Xiaoxue Wang
Toxin/antitoxin (TA) systems are widespread in prokaryotic chromosomes and in mobile genetic elements including plasmids and prophages. The first characterized Type IV TA system CbtA/CbeA was found in cryptic prophage CP4-44 in Escherichia coli K-12. Two homologous TA loci of CbtA/CbeA also reside in cryptic prophages of E. coli K-12, YkfI/YafW in CP4-6 and YpjF/YfjZ in CP4-57. In this study, we demonstrated that YkfI and YpjF inhibited cell growth and led to the formation of "lemon-shaped" cells. Prolonged overproduction of YkfI led to the formation of "gourd-shaped" cells and immediate cell lysis...
March 1, 2017: Toxins
https://www.readbyqxmd.com/read/28241579/direct-diode-pumped-ti-sapphire-ultrafast-regenerative-amplifier-system
#10
Sterling Backus, Matt Kirchner, Randy Lemons, David Schmidt, Charles Durfee, Margaret Murnane, Henry Kapteyn
We report on a direct diode-pumped Ti:sapphire ultrafast regenerative amplifier laser system producing multi-μJ energies with a repetition rate from 50 to 250 kHz. By combining cryogenic cooling of Ti:sapphire with high brightness fiber-coupled 450nm laser diodes, we for the first time demonstrate a power-scalable CW-pumped architecture that can be directly applied to demanding ultrafast applications such as coherent high-harmonic EUV generation without any complex post-amplification pulse compression. Initial results promise a new era for Ti:sapphire amplifiers not only for ultrafast laser applications, but also for tunable CW sources...
February 20, 2017: Optics Express
https://www.readbyqxmd.com/read/28239865/effect-of-weight-and-frontal-area-of-external-telemetry-packages-on-the-kinematics-activity-levels-and-swimming-performance-of-small-bodied-sharks
#11
I A Bouyoucos, C D Suski, J W Mandelman, E J Brooks
This study sought to observe the effects of submerged weight and frontal cross-sectional area of external telemetry packages on the kinematics, activity levels and swimming performance of small-bodied juvenile sharks, using lemon sharks Negaprion brevirostris (60-80 cm total length, LT ) as a model species. Juveniles were observed free-swimming in a mesocosm untagged and with small and large external accelerometer packages that increased frontal cross-sectional area of the animals and their submerged weight...
February 27, 2017: Journal of Fish Biology
https://www.readbyqxmd.com/read/28238832/the-energetic-physiological-and-behavioral-response-of-lemon-sharks-negaprion-brevirostris-to-simulated-longline-capture
#12
Ian A Bouyoucos, Cory D Suski, John W Mandelman, Edward J Brooks
Commercial fisheries bycatch is a considerable threat to elasmobranch population recovery, and techniques to mitigate sub-lethal consequences can be improved with data on the energetic, physiological, and behavioral response of individuals to capture. This study sought to estimate the effects of simulated longline capture on the behavior, energy use, and physiological stress of juvenile lemon sharks (Negaprion brevirostris). Captive sharks equipped with acceleration biologgers were subjected to 1h of simulated longline capture...
February 24, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/28235402/anti-mycobacteria-potential-and-synergistic-effects-of-combined-crude-extracts-of-selected-medicinal-plants-used-by-bapedi-traditional-healers-to-treat-tuberculosis-related-symptoms-in-limpopo-province-south-africa
#13
Nancy Patience Motlalepula Komape, Victor Patrick Bagla, Prudence Kabongo-Kayoka, Peter Masoko
BACKGROUND: Tuberculosis is an infectious communicable disease and the causative agent of the disease has over the years developed resistance to streamline chemotherapeutic agents with dire consequences and there is a need for development of new and more potent alternatives. METHODS: Constituents of leaves material of Combretum heroroense, Citrus lemon and Apodytes dimidiata were serially extracted using solvents of varying polarity. TLC finger print profile of the different extracts were determined by spraying eluted plates with vanillin sulphuric acid and 2, 2- diphenylpicryl hydrazyl (DPPH) for the presence of antioxidant constituents...
February 24, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28231518/early-bronchoalveolar-lavage-for-intubated-trauma-patients-with-tbi-or-chest-trauma
#14
Tyler J Loftus, Stephen J Lemon, Linda L Nguyen, Stacy A Voils, Scott C Brakenridge, Janeen R Jordan, Chasen A Croft, R Stephen Smith, Frederick A Moore, Philip A Efron, Alicia M Mohr
PURPOSE: To evaluate the efficacy of an early bronchoalveolar lavage (E-BAL) protocol. BAL was performed within 48 h for intubated patients with traumatic brain injury or chest trauma. We hypothesized that E-BAL would decrease antibiotic use and improve outcomes compared to late BAL (L-BAL) triggered by clinical signs of pneumonia. METHODS: Retrospective cohort analysis of 132 patients with quantitative BAL and ≥1 risk factor: head Abbreviated Injury Score ≥2, ≥3 rib fractures, or radiographic signs of aspiration or pulmonary contusion...
February 12, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28231150/enhancing-the-total-phenolic-content-and-antioxidants-of-lemon-pomace-aqueous-extracts-by-applying-uv-c-irradiation-to-the-dried-powder
#15
Konstantinos Papoutsis, Quan V Vuong, Penta Pristijono, John B Golding, Michael C Bowyer, Christopher J Scarlett, Costas E Stathopoulos
Several studies have shown that UV-C (ultraviolet C) irradiation promotes the bioactive compounds and antioxidants of fresh fruits and vegetables. The aim of this study was to apply UV irradiation in dried lemon pomace powder for enhancing its phenolic content and antioxidant properties, thus more bioactive compounds should be available for extraction and utilization. Lemon pomace dried powder was placed under a UV lamp and treated with dosages of 4, 19, 80 and 185 kJ·m(-2), while untreated powder was used as a control...
August 23, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28221852/pesticide-residue-monitoring-on-south-african-fresh-produce-exported-over-a-6-year-period
#16
M T Mutengwe, L Chidamba, L Korsten
Six years of pesticide residue data from fresh produce destined for the export market were analyzed for the period 2009 to 2014. A total of 37,838 fruit (99.27%) and vegetable (0.73%) data sets analyzed for the presence of 73 pesticides were compared. Pesticides were detected on 56.46% of samples, of which 0.78% had multiple residues. Noncompliances detected were because of the use of unregistered pesticides (0.73%), values that exceeded established maximum residue levels (MRLs) (0.32%), or the combination of values that exceeded MRLs and the use of unregistered pesticide residues (0...
October 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28213922/expression-of-kv3-1b-potassium-channel-is-widespread-in-macaque-motor-cortex-pyramidal-cells-a-histological-comparison-between-rat-and-macaque
#17
David Soares, Isabelle Goldrick, Roger N Lemon, Alexander Kraskov, Linda Greensmith, Bernadett Kalmar
There are substantial differences across species in the organisation and function of the motor pathways. These differences extend to basic electrophysiological properties. Thus, in rat motor cortex, pyramidal cells have long duration action potentials, while in the macaque, some pyramidal neurons exhibit short duration 'thin' spikes. These differences may be related to the expression of the fast potassium channel Kv3.1b, which in rat interneurons is associated with generation of thin spikes. Rat pyramidal cells typically lack these channels, while there are reports that they are present in macaque pyramids...
February 18, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28211917/concentration-dependent-oligomerization-of-an-alpha-helical-antifreeze-polypeptide-makes-it-hyperactive
#18
Sheikh Mahatabuddin, Yuichi Hanada, Yoshiyuki Nishimiya, Ai Miura, Hidemasa Kondo, Peter L Davies, Sakae Tsuda
A supersoluble 40-residue type I antifreeze protein (AFP) was discovered in a righteye flounder, the barfin plaice (bp). Unlike all other AFPs characterized to date, bpAFP transitions from moderately-active to hyperactive with increasing concentration. At sub-mM concentrations, bpAFP bound to pyramidal planes of ice to shape it into a bi-pyramidal hexagonal trapezohedron, similarly to the other moderately-active AFPs. At mM concentrations, bpAFP uniquely underwent further binding to the whole ice crystal surface including the basal planes...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28210947/nano-formulation-enhances-insecticidal-activity-of-natural-pyrethrins-against-aphis-gossypii-hemiptera-aphididae-and-retains-their-harmless-effect-to-non-target-predators
#19
Nikos E Papanikolaou, Argyro Kalaitzaki, Filitsa Karamaouna, Antonios Michaelakis, Vassiliki Papadimitriou, Vassilis Dourtoglou, Dimitrios P Papachristos
The insecticidal activity of a new nano-formulated natural pyrethrin was examined on the cotton aphid, Aphis gossypii Glover (Hemiptera: Aphididae), and the predators Coccinella septempunctata L. (Coleoptera: Coccinellidae) and Macrolophus pygmaeus Rambur (Hemiptera: Miridae), in respect with the nano-scale potential to create more effective and environmentally responsible pesticides. Pyrethrin was nano-formulated in two water-in-oil micro-emulsions based on safe biocompatible materials, i.e., lemon oil terpenes as dispersant, polysorbates as stabilizers, and mixtures of water with glycerol as the dispersed aqueous phase...
February 16, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28208159/two-previously-unknown-phytophthora-species-associated-with-brown-rot-of-pomelo-citrus-grandis-fruits-in-vietnam
#20
Ivana Puglisi, Alessandro De Patrizio, Leonardo Schena, Thomas Jung, Maria Evoli, Antonella Pane, Nguyen Van Hoa, Mai Van Tri, Sandra Wright, Mauritz Ramstedt, Christer Olsson, Roberto Faedda, Gaetano Magnano di San Lio, Santa Olga Cacciola
Two distinct Phytophthora taxa were found to be associated with brown rot of pomelo (Citrus grandis), a new disease of this ancestral Citrus species, in the Vinh Long province, Mekong River Delta area, southern Vietnam. On the basis of morphological characters and using the ITS1-5.8S-ITS2 region of the rDNA and the cytochrome oxidase subunit 1 (COI) as barcode genes, one of the two taxa was provisionally named as Phytophthora sp. prodigiosa, being closely related to but distinct from P. insolita, a species in Phytophthora Clade 9, while the other one, was closely related to but distinct from the Clade 2 species P...
2017: PloS One
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