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https://www.readbyqxmd.com/read/28721563/terrestrial-adaptation-of-green-algae-klebsormidium-and-zygnema-charophyta-involves-diversity-in-photosynthetic-traits-but-not-in-co2-acquisition
#1
Mattia Pierangelini, David Ryšánek, Ingeborg Lang, Wolfram Adlassnig, Andreas Holzinger
The basal streptophyte Klebsormidium and the advanced Zygnema show adaptation to terrestrialization. Differences are found in photoprotection and resistance to short-term light changes, but not in CO 2 acquisition. Streptophyte green algae colonized land about 450-500 million years ago giving origin to terrestrial plants. We aim to understand how their physiological adaptations are linked to the ecological conditions (light, water and CO2) characterizing modern terrestrial habitats. A new Klebsormidium isolate from a strongly acidic environment of a former copper mine (Schwarzwand, Austria) is investigated, in comparison to Klebsormidium cf...
July 18, 2017: Planta
https://www.readbyqxmd.com/read/28719964/discovery-of-parasite-eggs-in-archeological-residence-during-the-15th-century-in-seoul-korea
#2
Pyo Yeon Cho, Jung-Min Park, Myeong-Ki Hwang, Seo Hye Park, Yun-Kyu Park, Bo-Young Jeon, Tong-Soo Kim, Hyeong-Woo Lee
During civil engineering construction near Sejong-ro, Jongro-ku, Seoul, cultural sites were found that are thought to have been built in the 15th century. This area was home to many different people as well as the leaders of the Yi dynasty. To gain further insight into the life styles of the inhabitants of the old capital, soil samples were collected from various areas such as toilets, water foundations, and drainage ways. Parasite eggs were examined by microscopy after 5 g soil samples were rehydrated in 0...
June 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28718703/nanoliposome-improves-inhibitory-effects-of-naringenin-on-nonalcoholic-fatty-liver-disease-in-mice
#3
Cong Chen, Xu Jie, Yangjie Ou, Yini Cao, Lu Xu, Yunxia Wang, Rong Qi
AIM: To prepare naringenin nanoliposome (NRG-Nanolipo) and investigate its inhibitory effects on nonalcoholic fatty liver disease (NAFLD). MATERIALS & METHODS: NRG-Nanolipo was prepared by thin-film rehydration method. Its characterizations and effects on NAFLD in mice induced by methionine choline deficient diet were investigated. RESULTS: NRG-Nanolipo had high-drug loading percentage and showed a sustained release profile. The nanoliposome formulation significantly increased oral absorption of naringenin (NRG)...
July 18, 2017: Nanomedicine
https://www.readbyqxmd.com/read/28714223/relationship-between-uric-acid-and-dehydration-in-children-with-gastroenteritis
#4
Rie Kuge, Yoshihiko Morikawa, Yukihiro Hasegawa
BACKGROUND: Clinical assessment of dehydration in children with acute gastroenteritis (AGE) is crucial for treatment. The gold standard for assessment is acute weight loss. A previous study showed dehydration severity, as determined by weight loss, significantly correlated with serum urea (UN) in children with AGE. However, the limitation of using UN as a marker of dehydration severity is that the level can be affected by nutrition. Serum uric acid (UA) theoretically could serve as an alternative in this regard, but there have been no reports analyzing a direct relationship between serum UA and weight loss...
July 17, 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28702689/molecular-responses-to-recurrent-drought-in-two-contrasting-rice-genotypes
#5
Priscila Ariane Auler, Marcelo Nogueira do Amaral, Gabriela Dos Santos Rodrigues, Letícia Carvalho Benitez, Luciano Carlos da Maia, Gustavo Maia Souza, Eugenia Jacira Bolacel Braga
The set of variables analyzed as integrated by multivariate analysis of principal components consistently showed a memory effect induced by the drought pre-treatment in AN Cambará plants. The effects of drought can vary ddepending on many factors. Among these the occurrence of a previous water stress may leave a residual effect (memory), influencing the future performance of a plant in response to a new drought event. This study tested the hypothesis that plants experiencing recurrent drought would show more active mechanisms of water deficit tolerance, mainly plants of the genotype that is cultivated often experiencing water shortages periods...
July 12, 2017: Planta
https://www.readbyqxmd.com/read/28701828/modified-ultrafast-papanicolaou-staining-technique-a-comparative-study
#6
Moni Thakur, Venkateswara Rao Guttikonda
INTRODUCTION: Ultrafast Papanicolaou stain (UFP) was introduced as a hybrid of Romanowsky and Papanicolaou (PAP) stain. It enhances the quality and reduces the time. In the present study, a modified staining technique was adapted where Gill's Hematoxylin was replaced by Harris Hematoxylin. AIMS: The aim of the study was to assess the use of the modified ultrafast Papanicolaou (MUFP) stain for fine needle aspiration cytology (FNAC) of head and neck swellings in comparison with the routine PAP stain, hematoxylin and eosin (H and E), and Giemsa...
July 2017: Journal of Cytology
https://www.readbyqxmd.com/read/28699822/a-bioencapsulation-and-drying-method-increases-shelf-life-and-efficacy-of-metarhizium-brunneum-conidia
#7
Michael Przyklenk, Marina Vemmer, Miriam Hanitzsch, Anant Patel
This study reports the development of encapsulated and dried entomopathogenic fungus Metarhiuzm brunneum with reduced conidia content, increased conidiation, a high drying survival and enhanced shelf life. Dried beads prepared with the fillers corn starch, potato starch, carboxymethylcellulose or autoclaved baker's yeast, showed enhanced survival with increasing filler content. The maximum survival of 82% was found for beads with 20% corn starch at <0.1 water activity. While increasing starch content inhibits the conidiation, autoclaved baker´s yeast and a combination with starch enhanced the conidiation to 1...
July 12, 2017: Journal of Microencapsulation
https://www.readbyqxmd.com/read/28688780/relationship-between-processing-history-and-functionality-recovery-after-rehydration-of-dried-cellulose-based-suspensions-a-critical-review
#8
REVIEW
Isabelle Déléris, Joël Wallecan
Cellulose-based suspensions have raised more and more attention due to their broad range of properties that can be used in paper industry and material science but also in medicine, nanotechnology and food science. Their final functionality is largely dependent on their processing history and notably the structural modifications that occur during drying and rehydration. The purpose of this work is to make a state-of-the-art contribution to the mechanisms involved in the process-structure-function relationships of cellulose-based hydrogels...
June 30, 2017: Advances in Colloid and Interface Science
https://www.readbyqxmd.com/read/28687951/approach-to-upset-stomach
#9
Rishi Bolia
An "Upset stomach" is a common problem encountered by physicians involved in the care of children. It includes, diarrhea, vomiting or abdominal pain. Though often mild and self-limiting, at times there are uncommon life-threatening conditions that require urgent care. It is important for primary physicians to recognize "alarm signs" and make a referral to the specialist at the right time. At the same time it is important to recognize what is normal and re-assure the caregivers. A detailed history and a proper systemic examination are important at presentation, looking for any "red flags"...
July 8, 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/28685881/central-metabolite-and-sterol-profiling-divides-tobacco-male-gametophyte-development-and-pollen-tube-growth-into-eight-metabolic-phases
#10
Alexander Helmut Rotsch, Joachim Kopka, Ivo Feussner, Till Ischebeck
While changes in the transcriptome and proteome of developing pollen have been investigated in tobacco and other species, the metabolic consequences remain rather unclear. Here, a broad range of metabolites were investigated in a close succession of developmental stages. Thirteen stages of tobacco male gametophyte development were collected, ranging from tetrads to pollen tubes. Subsequently, the central metabolome and sterol composition were analyzed by GC-MS, monitoring 77 metabolites and 29 non-identified analytes...
July 7, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28682048/upper-gastrointestinal-conditions-pancreatitis
#11
Ku-Lang Chang, David S Estores
The most common etiologies of acute pancreatitis are gallstones (particularly 5 mm or smaller) and alcohol consumption. The serum amylase level may be normal in up to one-fifth of patients with acute pancreatitis; therefore, this level by itself is not a reliable diagnostic factor. The serum lipase level has a higher positive predictive value and specificity compared with the amylase level. Acute biliary pancreatitis with evidence of cholangitis represents an emergency indication for endoscopic retrograde cholangiopancreatography with endoscopic sphincterotomy within 24 hours of presentation...
July 2017: FP Essentials
https://www.readbyqxmd.com/read/28678828/a-technique-for-lyopreservation-of-clostridium-ljungdahlii-in-a-biocomposite-matrix-for-co-absorption
#12
Mark J Schulte, Jason Solocinski, Mian Wang, Michelle Kovacs, Ryan Kilgore, Quinn Osgood, Lukas Underwood, Michael C Flickinger, Nilay Chakraborty
A system capable of biocatalytic conversion of distributed sources of single carbon gases such as carbon monoxide into hydrocarbons can be highly beneficial for developing commercially viable biotechnology applications in alternative energy. Several anaerobic bacterial strains can be used for such conversion. The anaerobic carbon monoxide-fixing bacteria Clostridium ljungdahlii OTA1 is a model CO assimilating microorganism that currently requires cryogenic temperature for storage of the viable strains. If these organisms can be stabilized and concentrated in thin films in advanced porous materials, it will enable development of high gas fraction, biocomposite absorbers with elevated carbon monoxide (CO) mass transfer rate, that require minimal power input and liquid, and demonstrate elevated substrate consumption rate compared to conventional suspended cell bioreactors...
2017: PloS One
https://www.readbyqxmd.com/read/28678414/freshwater-toxicity-testing-using-rehydrated-philodina-sp-rotifera-as-test-animals
#13
Terry W Snell, Rachel K Johnston, Amelia B Matthews
Rotifers have become widely used in aquatic toxicology as a rapid screening test for toxicity. The commercial availability of diapausing embryos (cysts) have facilitated their popularity because test animals can be obtained without having to master the details of culturing. Other rotifer species have life stages capable of surviving desiccation and also could be used in non-culture systems for toxicity assessment. In this article, we describe a system for toxicity testing in freshwater based on rehydrating desiccated bdelloid rotifers in the genus Philodina...
July 5, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28678057/hyaluronidase-assisted-resuscitation-in-kenya-for-severely-dehydrated-children
#14
Hijab Zubairi, Brett D Nelson, Priyanka Tulshian, Karla Fredricks, Zaid Altawil, Sarah Mireles, Fred Odongo, Thomas F Burke
BACKGROUND: Dehydration, mainly due to diarrheal illnesses, is a leading cause of childhood mortality worldwide. Intravenous (IV) therapy is the standard of care for patients who were unable to tolerate oral rehydration; however, placing IVs in fragile, dehydrated veins can be challenging. Studies in resource-rich settings comparing hyaluronidase-assisted subcutaneous rehydration with standard IV rehydration in children have demonstrated several benefits of subcutaneous rehydration, including time and success of line placement, ease of use, satisfaction, and cost-effectiveness...
July 4, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28676021/medical-management-and-risk-reduction-of-the-cardiovascular-effects-of-underwater-diving
#15
Thomas F Whayne
Undersea diving is a sport and commercial industry. Knowledge of potential problems began with Caisson disease or "the bends", first identified with compressed air in the construction of tunnels under rivers in the 19th century. Subsequently, there was the commercially used old-fashioned diving helmet attached to a suit, with compressed air pumped down from the surface. Breathhold diving, with no supplementary source of air or other breathing mixture, is also a sport as well as a commercial fishing tool in some parts of the world...
June 20, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/28675983/fluid-supplementation-in-management-of-neonatal-hyperbilirubinemia-a-randomized-controlled-trial
#16
Prachi Goyal, Akshay Mehta, Jasbinder Kaur, Suksham Jain, Vishal Guglani, Deepak Chawla
OBJECTIVE: To evaluate the efficacy of oral or intravenous fluid supplementation in accelerating the decline of serum bilirubin with intensive phototherapy among healthy term and late preterm neonates with hyperbilirubinemia. STUDY DESIGN: This open-label randomized controlled trial randomized neonates with severe hyperbilirubinemia (serum total bilirubin ≥18 mg/dL or within 2 mg/dL of threshold for exchange transfusion) to receive 50 mL/kg of intravenous fluid over 8 h (IVF group, n=51), 50 mL of oral rehydration solution over 8 hours (oral rehydration solution (ORS) group, n=50) or only standard therapy (control group, n=49)...
July 4, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28672261/synthesis-of-hierarchical-flower-like-mg2al-cl-layered-double-hydroxide-in-a-surfactant-free-reverse-microemulsion
#17
Jie Xu, Huanhuan Deng, Jiaxin Song, Jun Zhao, Li Zhang, Wanguo Hou
Hierarchical flower-like Mg2Al-Cl LDH microspheres were synthesized using a reverse surfactant-free microemulsion (SFME) route at a low temperature (∼25°C), and characterized by XRD, TEM, SEM, FT-IR, TG, N2 adsorption/desorption, and elemental analyses. The SFME used consists of n-hexane, isopropanol, and water. The so-obtained flower-like microspheres are constructed with LDH nanosheets with ∼10nm thickness. After destroyed by calcination, their crystal structure and flower-like morphology can be reconstructed by rehydration...
June 24, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28670402/disc-rehydration-after-dynamic-stabilization-a-report-of-59-cases
#18
Atilla Yilmaz, Salim Senturk, Mehdi Sasani, Tunc Oktenoglu, Onur Yaman, Hakan Yildirim, Tuncer Suzer, Ali Fahir Ozer
STUDY DESIGN: A retrospective study investigating decrease in the nucleus pulposus signal intensity or disc height on magnetic resonance imaging (MRI) and disc degeneration. PURPOSE: Although a degenerated disc cannot self-regenerate, distraction or stabilization may provide suitable conditions for rehydration and possible regeneration. This study aimed to evaluate clinical outcomes and disc regeneration via MRI in a series of patients with degenerative disc disease (DDD) who underwent lumbar stabilization with a dynamic stabilization system (DSS)...
June 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/28667823/bordered-pits-in-xylem-of-vesselless-angiosperms-and-their-possible-misinterpretation-as-perforation-plates
#19
Ya Zhang, Matthias Klepsch, Steven Jansen
Vesselless wood represents a rare phenomenon within the angiosperms, characterizing Amborellaceae, Trochodendraceae, and Winteraceae. Anatomical observations of bordered pits and their pit membranes based on light, scanning and transmission electron microscopy (SEM, TEM) are required to understand functional questions surrounding vesselless angiosperms and the potential occurrence of cryptic vessels. Interconduit pit membranes in 11 vesselless species showed a similar ultrastructure as mesophytic vessel-bearing angiosperms, with a mean thickness of 245 nm (± 53, SD; n = 6 species)...
July 1, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28667693/in-vitro-and-in-vivo-gene-delivery-using-chitosan-hyaluronic-acid-nanoparticles-influences-of-molecular-mass-of-hyaluronic-acid-and-lyophilization-on-the-transfection-efficiency
#20
Toshinori Sato, Mitsuhiro Nakata, Zhihong Yang, Yu Torizuka, Satoko Kishimoto, Masayuki Ishihara
BACKGROUND: Lyophilization is an effective method for preserving non-viral gene vectors. To improve the stability and transgene expression of lyophilized plasmid DNA (pDNA) complexes, we coated the surfaces of pDNA/chitosan complexes with hyaluronic acid (HA) having varying molecular masses. The transgene expression of pDNA/chitosan/HA ternary complexes was characterized in vitro and in vivo. METHODS: pDNA complexes were lyophilized overnight and the resultant products with spongy, porous consistencies were stored at -30 °C, 4 °C, or 25 °C for two weeks...
July 1, 2017: Journal of Gene Medicine
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