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https://www.readbyqxmd.com/read/28921784/the-evolution-of-gonad-expenditure-and-gonadosomatic-index-gsi-in-male-and-female-broadcast-spawning-invertebrates
#1
Geoff A Parker, Steven A Ramm, Jussi Lehtonen, Jonathan M Henshaw
Sedentary broadcast-spawning marine invertebrates, which release both eggs and sperm into the water for fertilization, are of special interest for sexual selection studies. They provide unique insight into the early stages of the evolutionary succession leading to the often-intense operation of both pre- and post-mating sexual selection in mobile gonochorists. Since they are sessile or only weakly mobile, adults can interact only to a limited extent with other adults and with their own fertilized offspring...
September 18, 2017: Biological Reviews of the Cambridge Philosophical Society
https://www.readbyqxmd.com/read/28921601/is-2-hydroxypropyl-%C3%AE-cyclodextrin-a-suitable-carrier-for-central-administration-of-%C3%AE-9-tetrahydrocannabinol-preclinical-evidence
#2
R Agabio, F Sanna, C Lobina, M Monduzzi, V Nairi, F Cugia, S Mameli, G M Pisanu, G L Gessa, M R Melis
Preclinical Research Δ(9) -Tetrahydrocannabinol (THC) is a hydrophobic compound that has a potent antinociceptive effect in animals after intrathecal (IT) or intracerebroventricular (ICV) administration. The lack of a suitable solvent precludes its IT administration in humans. 2-Hydroxypropyl-β-cyclodextrin (HPβCD) increases the water solubility of hydrophobic drugs and is approved for IT administration in humans. To investigate whether HPβCD might be a suitable carrier for ICV administration of THC in rats, two formulations containing THC complexed with HPβCD (30 and 135 μg of THC per animal) and vehicle were administered to Wistar rats...
September 18, 2017: Drug Development Research
https://www.readbyqxmd.com/read/28920057/amine-metabolism-is-influenced-by-dietary-protein-source
#3
Soumya K Kar, Alfons J M Jansman, Dirkjan Schokker, Leo Kruijt, Amy C Harms, Jerry M Wells, Mari A Smits
Growth in world population will inevitably leads to increased demand for protein for humans and animals. Protein from insects and blood plasma are being considered as possible alternatives, but more research on their nutritional quality and health effects is needed. Here, we studied the effect of dietary protein source on metabolism and metabolic amine profiles in serum and urine of mice. Groups of mice were fed semi-purified diets containing 300 g/kg of soybean meal, casein, partially delactosed whey powder, spray-dried plasma protein, wheat gluten meal, and yellow mealworm...
2017: Frontiers in Nutrition
https://www.readbyqxmd.com/read/28919884/secretome-of-intestinal-bacilli-a-natural-guard-against-pathologies
#4
REVIEW
Olga N Ilinskaya, Vera V Ulyanova, Dina R Yarullina, Ilgiz G Gataullin
Current studies of human gut microbiome usually do not consider the special functional role of transient microbiota, although some of its members remain in the host for a long time and produce broad spectrum of biologically active substances. Getting into the gastrointestinal tract (GIT) with food, water and probiotic preparations, two representatives of Bacilli class, genera Bacillus and Lactobacillus, colonize epithelium blurring the boundaries between resident and transient microbiota. Despite their minor proportion in the microbiome composition, these bacteria can significantly affect both the intestinal microbiota and the entire body thanks to a wide range of secreted compounds...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28919858/safety-evaluation-of-sclerotium-from-a-medicinal-mushroom-lignosus-cameronensis-cultivar-preclinical-toxicology-studies
#5
Sook-Shien Lee, Nget-Hong Tan, Jayalakshmi Pailoor, Shin-Yee Fung
Twenty-eight days subacute toxicity studies performed in rats using sclerotial powder of Lignosus cameronensis cultivar was conducted to assess its safety for consumption prior to other scientific investigations on its medicinal benefits, nutraceutical or pharmaceutical application of the mushroom. The study was conducted at 250, 500, and 1000 mg/kg sclerotial powder of L. cameronensis cultivar (n = 5 for each respective dose, on both male and female groups) while control groups received only distilled water...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28919266/rock-bream-iridovirus-rbiv-replication-in-rock-bream-oplegnathus-fasciatus-exposed-for-different-time-periods-to-susceptible-water-temperatures
#6
Myung-Hwa Jung, Chamilani Nikapitiya, Tharabenahalli-Nagaraju Vinay, Jehee Lee, Sung-Ju Jung
Rock bream iridovirus (RBIV) is a member of the Megalocytivirus genus that causes severe mortality to rock bream. Water temperature is known to affect the immune system and susceptibility of fish to RBIV infection. In this study, we evaluated the time dependent virus replication pattern and time required to completely eliminate virus from the rock bream body against RBIV infection at different water temperature conditions. The rock bream was exposed to the virus and held at 7 (group A1), 4 (group A2) and 2 days (group A3) at 23 °C before the water temperature was reduced to 17 °C...
September 15, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28918289/effective-removal-of-trace-thallium-from-surface-water-by-nanosized-manganese-dioxide-enhanced-quartz-sand-filtration
#7
Xiaoliu Huangfu, Chengxue Ma, Jun Ma, Qiang He, Chun Yang, Jian Zhou, Jin Jiang, Yaan Wang
Thallium (Tl) has drawn wide concern due to its high toxicity even at extremely low concentrations, as well as its tendency for significant accumulation in the human body and other organisms. The need to develop effective strategies for trace Tl removal from drinking water is urgent. In this study, the removal of trace Tl (0.5 μg L(-1)) by conventional quartz sand filtration enhanced by nanosized manganese dioxide (nMnO2) has been investigated using typical surface water obtained from northeast China. The results indicate that nMnO2 enhanced quartz sand filtration could remove trace Tl(I) and Tl(III) efficiently through the adsorption of Tl onto nMnO2 added to a water matrix and onto nMnO2 attached on quartz sand surfaces...
September 12, 2017: Chemosphere
https://www.readbyqxmd.com/read/28917812/a-minimum-phase-shinnar-le-roux-spectral-spatial-excitation-rf-pulse-for-simultaneous-water-and-lipid-suppression-in-1-h-mrsi-of-body-extremities
#8
Paul Kyu Han, Chao Ma, Kexin Deng, Shuang Hu, Kyung-Wook Jee, Kui Ying, Yen-Lin Chen, Georges El Fakhri
PURPOSE: To develop a spectral-spatial (SPSP) excitation RF pulse for simultaneous water and lipid suppression in proton ((1)H) magnetic resonance spectroscopic imaging (MRSI) of body extremities. METHODS: An SPSP excitation pulse is designed to excite Creatine (Cr) and Choline (Cho) metabolite signals while suppressing the overwhelming water and lipid signals. The SPSP pulse is designed using a recently proposed multidimensional Shinnar-Le Roux (SLR) RF pulse design method...
September 13, 2017: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/28917181/-137-cs-and-plutonium-isotopes-accumulation-retention-in-bottom-sediments-and-soil-in-lithuania-a-case-study-of-the-activity-concentration-of-anthropogenic-radionuclides-and-their-provenance-before-the-start-of-operation-of-the-belarusian-nuclear-power-plant
#9
D Marčiulionienė, B Lukšienė, D Montvydienė, O Jefanova, J Mažeika, R Taraškevičius, R Stakėnienė, R Petrošius, E Maceika, N Tarasiuk, Z Žukauskaitė, L Kazakevičiūtė, M Volkova
Knowledge of the background activity concentrations of anthropogenic radionuclides before the start of operations of the new nuclear facilities in Belarus is of great value worldwide. Inland water bodies in Lithuania (specifically the Neris River, the Nemunas River and the Curonian Lagoon) are near the site of the Belarusian NPP under construction and, for this reason, sediments and flooded soils from these sensitive areas were analysed for radiocesium and plutonium isotopes (macrophytes were analysed only for (137)Cs) in 2011-2012...
September 13, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28916141/in-vivo-multimodal-tumor-imaging-and-photodynamic-therapy-with-novel-theranostic-agents-based-on-the-porphyrazine-framework-chelated-gadolinium-iii-cation
#10
Diana V Yuzhakova, Svetlana A Lermontova, Ilya S Grigoryev, Maria S Muravieva, Alena I Gavrina, Marina V Shirmanova, Irina V Balalaeva, Larisa G Klapshina, Elena V Zagaynova
BACKGROUND: A promising strategy for cancer diagnosis and therapy is the development of an agent for multimodal imaging and treatment. In the present paper we report on two novel multifunctional agents prepared on the porphyrazine pigment platform using a gadolinium (III) cation chelated by red-fluorescent tetrapyrrole macrocycles (GdPz1 and GdPz2). METHODS: Spectral and magnetic properties of the compounds were analyzed. Monitoring of GdPz1 and GdPz2 accumulation in the murine colon carcinoma CT26 was performed in vivo using fluorescence imaging and MRI...
September 12, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28915820/item-response-modeling-a-psychometric-assessment-of-the-children-s-fruit-vegetable-water-and-physical-activity-self-efficacy-scales-among-chinese-children
#11
Jing-Jing Wang, Tzu-An Chen, Tom Baranowski, Patrick W C Lau
BACKGROUND: This study aimed to evaluate the psychometric properties of four self-efficacy scales (i.e., self-efficacy for fruit (FSE), vegetable (VSE), and water (WSE) intakes, and physical activity (PASE)) and to investigate their differences in item functioning across sex, age, and body weight status groups using item response modeling (IRM) and differential item functioning (DIF). METHODS: Four self-efficacy scales were administrated to 763 Hong Kong Chinese children (55...
September 16, 2017: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/28915739/many-body-expansion-of-the-fock-matrix-in-the-fragment-molecular-orbital-method
#12
Dmitri G Fedorov, Kazuo Kitaura
A many-body expansion of the Fock matrix in the fragment molecular orbital method is derived up to three-body terms for restricted Hartree-Fock and density functional theory in the atomic orbital basis and compared to the expansion in the basis of fragment molecular orbitals (MOs). The physical nature of many-body corrections is revealed in terms of charge transfer terms. An improvement of the fragment MO expansion is proposed by adding exchange to the embedding. The accuracy of all developed methods is demonstrated in comparison to unfragmented results for polyalanines, a water cluster, Trp-cage (PDB: 1L2Y) and crambin (PDB: 1CRN) proteins, a zeolite cluster, a Si nano-wire, and a boron nitride ribbon...
September 14, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28915546/emergent-contaminants-endocrine-disruptors-and-their-laccase-assisted-degradation-a-review
#13
REVIEW
Carlos Barrios-Estrada, Magdalena de Jesús Rostro-Alanis, Blanca Delia Muñoz-Gutiérrez, Hafiz M N Iqbal, Soundarapandian Kannan, Roberto Parra-Saldívar
Herein, an effort has been made to highlight the trends of the state-of-the-art of laccase-assisted degradation of emerging contaminants at large and endocrine disruptors in particular. Since first described in the 19th century, laccase has received particular interest for inter- and multidisciplinary investigations due to its uniqueness and remarkable biotechnological applicability. There has always been a paramount concern over the widespread occurrences of various pollutant types, around the globe. Therefore, pollution free processes are gaining ground all over the world...
September 11, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28915534/revealing-anti-inflammation-mechanism-of-water-extract-and-oil-of-forsythiae-fructus-on-carrageenan-induced-edema-rats-by-serum-metabolomics
#14
An Yuan, Lihong Gong, Lin Luo, Jue Dang, Xiaohong Gong, Mengjie Zhao, Yan Li, Yunxia Li, Cheng Peng
Forsythiae Fructus is an important Chinese medicine which shows a significant effect against inflammation. This study aimed to investigate the preventive anti-inflammation mechanism of Forsythiae Fructus by serum metabolomics strategy and compare the difference of the metabolism pathways between Forsythia extract and Forsythia oil in rat. Four groups (control group, model group, Forsythia extract group and Forsythia oil group) were orally administered 10mL/kg 0.5% Tween 80 solution, 10mL/kg 0.5% Tween 80 solution, 5g/kg Forsythia extract and 0...
September 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28915320/adipose-tissue-as-a-site-of-toxin-accumulation
#15
Erin Jackson, Robin Shoemaker, Nika Larian, Lisa Cassis
We examine the role of adipose tissue, typically considered an energy storage site, as a potential site of toxicant accumulation. Although the production of most persistent organic pollutants (POPs) was banned years ago, these toxicants persist in the environment due to their resistance to biodegradation and widespread distribution in various environmental forms (e.g., vapor, sediment, and water). As a result, human exposure to these toxicants is inevitable. Largely due to their lipophilicity, POPs bioaccumulate in adipose tissue, resulting in greater body burdens of these environmental toxicants with obesity...
September 12, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28915131/body-mass-index-and-saltwater-drowning
#16
Roger W Byard
Comparison of body mass index (BMI) was undertaken between 30 cases of salt water drowning and 30 age- and sex-matched controls randomly selected from the autopsy files of Forensic Science SA, Adelaide, Australia, during the period 2000 to 2017. The age range of drowning cases and controls was 18 to 80 (average, 49) years, with a male to female ratio of 19:11. The BMIs of the drowning cases ranged from 15.5 to 37.5 (average, 25.4; median, 23). The control cases had higher BMIs ranging from 22.9 to 44.3 (average, 29...
September 14, 2017: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/28914993/hyaluronan-incorporation-into-model-contact-lens-hydrogels-as-a-built-in-lubricant-effect-of-hydrogel-composition-and-proteoglycan-4-as-a-lubricant-in-solution
#17
Michael Samsom, Myrto Korogiannaki, Lakshman N Subbaraman, Heather Sheardown, Tannin A Schmidt
Contact lens friction significantly correlates with subjective comfort. Hyaluronan (HA) and proteoglycan 4 (PRG4) are natural boundary lubricants present in the body. The objective of this study was to assess the effect of crosslinked HA into the bulk of model contact lens materials pHEMA, pHEMA/TRIS, and DMAA/TRIS on surface wettability, protein sorption, and boundary lubricating properties at a material-cornea biointerface, both alone and synergistically with PRG4 in solution. Surface wettability was assessed by water contact angle measurement, protein sorption by lysozyme sorption assay, and boundary lubricating properties using an in vitro friction test method...
September 15, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28913953/marine-depth-use-of-sea-trout-salmo-trutta-in-fjord-areas-of-central-norway
#18
S H Eldøy, J G Davidsen, E B Thorstad, F G Whoriskey, K Aarestrup, T F Naesje, L Rønning, A D Sjursen, A H Rikardsen, J V Arnekleiv
The vertical behaviour of 44 veteran sea trout Salmo trutta (275-580 mm) in different marine fjord habitats (estuary, pelagic, near shore with and without steep cliffs) was documented during May-February by acoustic telemetry. The swimming depth of S. trutta was influenced by habitat, time of day (day v. night), season, seawater temperature and the body length at the time of tagging. Mean swimming depth during May-September was 1·7 m (individual means ranged from 0·4 to 6·4 m). Hence, S. trutta were generally surface oriented, but performed dives down to 24 m...
September 15, 2017: Journal of Fish Biology
https://www.readbyqxmd.com/read/28913781/effects-of-fluoride-and-or-sulfur-dioxide-on-morphology-and-dna-integrity-in-rats-hepatic-tissue
#19
Chen Liang, Yan Gao, Yangfei Zhao, Ram Kumar Manthari, Junjie Ma, Ruiyan Niu, Jinming Wang, Jianhai Zhang, Jundong Wang
This study was aimed to evaluate the toxic effects of fluoride (F) and/or sulfur dioxide (SO2) on morphology and DNA integrity in liver of male rats. For this, 96 Wistar rats (12-week-old) were randomly divided into four groups after 1-week adaptive breeding: the control group, treated with deionized water; the NaF group, administered high F (100 mg NaF/L in the drinking water); the SO2 group, with sulfur dioxide in ambient air (15 ppm SO2, 4 h/day); and NaF + SO2 group, treated with high F and sulfur dioxide together for 8 consecutive weeks...
September 14, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28913681/calculation-of-intercepted-runoff-depth-based-on-stormwater-quality-and-environmental-capacity-of-receiving-waters-for-initial-stormwater-pollution-management
#20
Hai-Qin Peng, Yan Liu, Xue-Long Gao, Hong-Wu Wang, Yi Chen, Hui-Yi Cai
While point source pollutions have gradually been controlled in recent years, the non-point source pollution problem has become increasingly prominent. The receiving waters are frequently polluted by the initial stormwater from the separate stormwater system and the wastewater from sewage pipes through stormwater pipes. Consequently, calculating the intercepted runoff depth has become a problem that must be resolved immediately for initial stormwater pollution management. The accurate calculation of intercepted runoff depth provides a solid foundation for selecting the appropriate size of intercepting facilities in drainage and interception projects...
September 14, 2017: Environmental Science and Pollution Research International
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