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https://www.readbyqxmd.com/read/28336476/associations-of-water-balance-and-thermal-sensitivity-of-toads-with-macroclimatic-characteristics-of-geographical-distribution
#1
Braz Titon, Fernando Ribeiro Gomes
Interspecific variation in patterns of geographical distribution of phylogenetically related species of amphibians might be related to physiological adaptation to different climatic conditions. In this way, a comparative study of resistance to evaporative water loss, rehydration rates and sensitivity of locomotor performance to variations on hydration level and temperature was performed for five species of Bufonidae toads (Rhinella granulosa, R. jimi, R. ornata, R. schneideri and R. icterica) inhabiting different Brazilian biomes...
March 20, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/28333199/effect-of-butyrate-and-lactobacillus-gg-on-a-butyrate-receptor-and-transporter-during-campylobacter-jejuni-exposure
#2
Gail A M Cresci, Paul C Mayer, Stuart A Thompson
Campylobacter jejuni (C. jejuni) frequently infects humans causing many gastrointestinal symptoms, fever, fatigue and several long-term debilitating diseases. Current treatment for campylobacteriosis includes rehydration and in some cases, antibiotic therapy. Probiotics are used to treat several gastrointestinal diseases. Butyrate is a short-chain fatty acid known to promote intestinal health. Interaction of butyrate with its respective receptor (HCAR2) and transporter (SLC5A8), both expressed in the intestine, is associated with water and electrolyte absorption as well as providing defense against colon cancer and inflammation...
February 23, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28332578/a-new-class-of-inhibitors-of-the-arac-family-virulence-regulator-vibrio-cholerae-toxt
#3
Anne K Woodbrey, Evans O Onyango, Maria Pellegrini, Gabriela Kovacikova, Ronald K Taylor, Gordon W Gribble, F Jon Kull
Vibrio cholerae is responsible for the diarrheal disease cholera that infects millions of people worldwide. While vaccines protecting against cholera exist, and oral rehydration therapy is an effective treatment method, the disease will remain a global health threat until long-term solutions such as improved sanitation and access to clean water become widely available. Because of this, there is a pressing need for potent therapeutics that can either mitigate cholera symptoms, or act prophylactically to prevent the virulent effects of a cholera infection...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28331868/a-novel-practical-equation-for-treatment-of-emergent-hypernatremia-and-dehydration-phase-in-infants
#4
Saba Ghaffary, Azadeh Moghaddas, Mehrnoush Dianatkhah
Serum sodium (Na) concentration more than 145 mmol/L is defined as hypernatremia. Hypernatremia carries an acute morbidity and mortality, especially in neonates and infants. Rapid correction of hypernatremia leads to severe cerebral damages, and seizure is the most common neurological complication of hypernatremia. Selection and calculation of an appropriate fluid and its amount is one of the tremendous challenges. It is important to choose the correct amount of suitable fluid and adjust rehydration rate. In this study, we have suggested practical equation to determine the amount of fluid that should be administered to the neonates and infants with hypernatremia...
January 2017: Journal of Research in Pharmacy Practice
https://www.readbyqxmd.com/read/28331496/nitazoxanide-in-acute-rotavirus-diarrhea-a-randomized-control-trial-from-a-developing-country
#5
Samarendra Mahapatro, Nijwm Mahilary, Amit Kumar Satapathy, Rashmi Ranjan Das
Background. Acute diarrhea is one of the leading causes of childhood mortality, with rotavirus being an important pathogen. Nitazoxanide, an antiparasitic agent, has been shown to inhibit rotavirus. Objective. This double-blind, randomized trial was designed to study the role of nitazoxanide in acute rotavirus diarrhea. Methods. Of 174 children (12 months to 5 years) with acute diarrhea, 50 rotavirus positive cases were randomized. The intervention group received syrup nitazoxanide twice daily (100 mg in 12-47 months, 200 mg in ≥4 yr) for 3 days along with standard treatment of diarrhea...
2017: Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28324728/hplc-ms-ms-method-for-quantification-of-paclitaxel-from-keratin-containing-samples
#6
Emily A Turner, Alexandra C Stenson, Saami K Yazdani
Local drug delivery of paclitaxel is becoming ever more prevalent. As complex drug/excipient combinations are being developed and tested, new high performance liquid chromatography-mass spectrometry (HPLC-MS) techniques capable of quantifying paclitaxel from such formulations are needed. Here a method for quantifying paclitaxel from aqueous, protein and oil containing samples was developed and validated. Keratin, derived from human hair, is the protein component/paclitaxel excipient in the development and validation of said method...
March 10, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28320354/slow-progress-in-diarrhea-case-management-in-low-and-middle-income-countries-evidence-from-cross-sectional-national-surveys-1985-2012
#7
Chandrashekhar T Sreeramareddy, Yue-Peng Low, Birger Carl Forsberg
BACKGROUND: Diarrhea remains to be a main cause of childhood mortality. Diarrhea case management indicators reflect the effectiveness of child survival interventions. We aimed to assess time trends and country-wise changes in diarrhea case management indicators among under-5 children in low-and-middle-income countries. METHODS: We analyzed aggregate data from Demographic and Health Surveys and Multiple Indicator Cluster Surveys done from 1986 to 2012 in low-and-middle-income countries...
March 21, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28319546/gastric-fluid-volume-change-after-oral-rehydration-solution-intake-in-morbidly-obese-and-normal-controls-a-magnetic-resonance-imaging-based-analysis
#8
Toshie Shiraishi, Dai Kurosaki, Mitsuyo Nakamura, Taiji Yazaki, Satomi Kobinata, Yosuke Seki, Kazunori Kasama, Hideki Taniguchi
BACKGROUND: Although preoperative fluid intake 2 hours before anesthesia is generally considered safe, there are concerns about delayed gastric emptying in obese subjects. In this study, the gastric fluid volume (GFV) change in morbidly obese subjects was investigated after ingesting an oral rehydration solution (ORS) and then compared with that in nonobese subjects. METHODS: GFV change over time after the ingestion of 500 mL of ORS containing 2.5% carbohydrate (OS-1) was measured in 10 morbidly obese subjects (body mass index [BMI], >35) scheduled for bariatric surgery and 10 nonobese (BMI, 19-24) using magnetic resonance imaging...
April 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28317710/influence-of-microwave-vacuum-drying-on-glass-transition-temperature-gelatinization-temperature-physical-and-chemical-qualities-of-lotus-seeds
#9
Yingting Zhao, Yajun Jiang, Baodong Zheng, Weijing Zhuang, Yafeng Zheng, Yuting Tian
This study investigated the effects of microwave power density on effective moisture diffusion coefficient (Deff), glass transition temperature (Tg), gelatinization temperature (TP), physical and chemical qualities of lotus seeds during microwave vacuum drying. Deff increased by 42% and 127% at 15W/g and 20W/g, respectively, when compared with 10W/g. TP was negatively correlated with the relaxation times of T21 and T22, while Tg was negatively correlated with the relative areas A22. The rates of change of color were observed to be divided roughly into two periods, consisting of a rapid change caused by enzymatic browning and a slow change caused by non-enzymatic browning...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28316054/the-effect-of-fluid-intake-following-dehydration-on-subsequent-athletic-and-cognitive-performance-a-systematic-review-and-meta-analysis
#10
REVIEW
Danielle McCartney, Ben Desbrow, Christopher Irwin
BACKGROUND: The deleterious effects of dehydration on athletic and cognitive performance have been well documented. As such, dehydrated individuals are advised to consume fluid in volumes equivalent to 1.25 to 1.5 L kg(-1) body mass (BM) lost to restore body water content. However, individuals undertaking subsequent activity may have limited time to consume fluid. Within this context, the impact of fluid intake practices is unclear. This systematic review investigated the effect of fluid consumption following a period of dehydration on subsequent athletic and cognitive performance...
December 2017: Sports Medicine—Open
https://www.readbyqxmd.com/read/28303406/drought-induced-expression-of-aquaporin-genes-in-leaves-of-two-common-bean-cultivars-differing-in-tolerance-to-drought-stress
#11
Mateja Zupin, Aleš Sedlar, Marjetka Kidrič, Vladimir Meglič
Aquaporin proteins are part of the complex response of common bean (Phaseolus vulgaris L.) to drought which affects the quality and quantity of yield of this important crop. To better understand the role of aquaporins in common bean, drought-induced gene expression of several aquaporins was determined in two cultivars, the more drought tolerant Tiber and the less tolerant Starozagorski čern. The two bean cultivars were selected among 16 European genotypes based on the tolerance to drought determined by time needed for plants to wilt after withholding irrigation and yield at harvest...
March 16, 2017: Journal of Plant Research
https://www.readbyqxmd.com/read/28302312/cholera
#12
REVIEW
John D Clemens, G Balakrish Nair, Tahmeed Ahmed, Firdausi Qadri, Jan Holmgren
Cholera is an acute, watery diarrhoeal disease caused by Vibrio cholerae of the O1 or O139 serogroups. In the past two centuries, cholera has emerged and spread from the Ganges Delta six times and from Indonesia once to cause global pandemics. Rational approaches to the case management of cholera with oral and intravenous rehydration therapy have reduced the case fatality of cholera from more than 50% to much less than 1%. Despite improvements in water quality, sanitation, and hygiene, as well as in the clinical treatment of cholera, the disease is still estimated to cause about 100 000 deaths every year...
March 10, 2017: Lancet
https://www.readbyqxmd.com/read/28295295/palynological-investigation-of-mummified-human-remains
#13
Karl J Reinhard, Marina Milanello do Amaral, Nicole Wall
Pollen analysis was applied to a mummified homicide victim in Nebraska, U.S.A., to determine the location of death. A control sample showed the normal ambient pollen in the garage crime scene. Ambient windborne types, common in the air of the region, dominated the control. Internal samples were analyzed from the sacrum, intestine, and diaphragm. Microfossils were recovered from the rehydrated intestine lumen. The intestinal sample was dominated by Brassica (broccoli). The sacrum sample was high in dietary types but with a showing of ambient types...
March 10, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28294482/next-generation-polymer-shells-for-inorganic-nanoparticles-are-highly-compact-ultra-dense-and-long-lasting-cyclic-brushes
#14
Giulia Morgese, Behzad Shirmardi Shaghasemi, Valerio Causin, Marcy Zenobi-Wong, Shivaprakash N Ramakrishna, Erik Reimhult, Edmondo M Benetti
Cyclic poly-2-ethyl-2-oxazoline (PEOXA) ligands for superparamagnetic Fe3 O4 nanoparticles (NPs) generate ultra-dense and highly compact shells, providing enhanced colloidal stability and bio-inertness in physiological media. When linear brush shells fail in providing colloidal stabilization to NPs, the cyclic ones assure long lasting dispersions. While the thermally induced dehydration of linear PEOXA shells cause irreversible aggregation of the NPs, the collapse and subsequent rehydration of similarly grafted cyclic brushes allow the full recovery of individually dispersed NPs...
March 13, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28289905/expression-profile-of-desiccation-tolerance-factors-in-intertidal-seaweed-species-during-the-tidal-cycle
#15
Camila Fierro, Camilo López-Cristoffanini, Andrés Meynard, Carlos Lovazzano, Francisco Castañeda, Eduardo Guajardo, Loretto Contreras-Porcia
The transcriptional modulation of desiccation tolerance factors in P. orbicularis explains its successful recuperation after water deficit. Differential responses to air exposure clarify seaweed distribution along intertidal rocky zones. Desiccation-tolerant seaweed species, such as Pyropia orbicularis, can tolerate near 96% water loss during air exposure. To understand the phenotypic plasticity of P. orbicularis to desiccation, several tolerance factors were assessed by RT-qPCR, Western-blot analysis, and enzymatic assays during the natural desiccation-rehydration cycle...
March 13, 2017: Planta
https://www.readbyqxmd.com/read/28289426/transcriptome-wide-identification-classification-and-characterization-of-ap2-erf-family-genes-in-the-desert-moss-syntrichia-caninervis
#16
Xiaoshuang Li, Daoyuan Zhang, Bei Gao, Yuqing Liang, Honglan Yang, Yucheng Wang, Andrew J Wood
APETALA2/Ethylene Responsive Factor (AP2/ERF) is a large family of plant transcription factors which play important roles in the control of plant metabolism and development as well as responses to various biotic and abiotic stresses. The desert moss Syntrichia caninervis, due to its robust and comprehensive stress tolerance, is a promising organism for the identification of stress-related genes. Using S. caninervis transcriptome data, 80 AP2/ERF unigenes were identified by HMM modeling and BLASTP searching...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28285621/antidiarrheal-activity-of-hexane-extract-of-citrus-limon-peel-in-an-experimental-animal-model
#17
Olasupo Stephen Adeniyi, James Omale, Samuel Chukwuma Omeje, Victoria Ojimaojo Edino
OBJECTIVE: Acute diarrhea is one of the major illnesses that cause death in children, despite clinical interventions and the use of oral rehydration therapy. Thus, there is need to discover other effective, affordable and accessible treatments for this disease. Therefore, this study was carried out to investigate the effects of hexane extract of Citrus limon peel (HECLP) on castor oil-induced diarrhea in rats. METHODS: Diarrhea was induced in male albino Wistar rats weighing 100-150 g...
March 2017: Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28284435/identification-of-cannabis-sativa-l-using-the-1-kbthca-synthase-fluorescence-in-situ-hybridization-probe
#18
Pattraporn Jeangkhwoa, Achirapa Bandhaya, Puangpaka Umpunjun, Ngarmnij Chuenboonngarm, Nathinee Panvisavas
This study reports a successful application of fluorescence in situ hybridization (FISH) technique in the identification of Cannabis sativa L. cells recovered from fresh and dried powdered plant materials. Two biotin-16-dUTP-labeled FISH probes were designed from the Cannabis-specific tetrahydrocannabinolic acid synthase (THCAS) gene and the ITS region of the 45S rRNA gene. Specificity of probe-target hybridization was tested against the target and 4 non-target plant species, i.e., Humulus lupulus, Mitragyna speciosa, Papaver sp...
March 2017: Science & Justice: Journal of the Forensic Science Society
https://www.readbyqxmd.com/read/28282741/effects-of-acute-exercise-dehydration-and-rehydration-on-cognitive-function-in-well-trained-athletes
#19
Christopher Irwin, Nadia Campagnolo, Elizaveta Iudakhina, Gregory R Cox, Ben Desbrow
This study investigated the effects of aerobic exercise, fluid loss and rehydration on cognitive performance in well-trained athletes. Ten endurance-trained males (25 ± 5 years; 175 ± 5 cm; 70.35 ± 5.46 kg; VO2max, 62.95 ± 7.20 ml · kg.min(-1)) lost ~2.5 ± 0.6% body mass via continuous cycling exercise at ~65% peak sustainable power output (60 min duration) before consuming different beverages (Water = W1 and W2, Sustagen Sport = SS, Powerade = PD) and food ad libitum on four separate occasions...
March 2, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28282356/management-of-suspected-fluid-balance-issues-in-participants-of-wilderness-endurance-events
#20
Martin D Hoffman, Jeremy Joslin, Ian R Rogers
Dehydration and exercise-associated hyponatremia (EAH) are both relatively common conditions during wilderness endurance events. Whereas dehydration is treated with fluids, EAH is appropriately managed with fluid restriction and a sodium bolus but can worsen with isotonic or hypotonic fluids. Therefore, caution is recommended in the provision of postevent rehydration in environments where EAH is a potential consideration because accurate field assessment of hydration status can be challenging, and measurement of blood sodium concentration is rarely possible in the wilderness...
March 2017: Current Sports Medicine Reports
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