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https://www.readbyqxmd.com/read/28802173/fungicidal-activity-of-copper-sputtered-flexible-surfaces-under-dark-and-actinic-light-against-azole-resistant-candida-albicans-and-candida-glabrata
#1
Myriam K S Ballo, Sami Rtimi, John Kiwi, César Pulgarin, José M Entenza, Alain Bizzini
Candida spp. are able to survive on hospital surfaces and causes healthcare-associated infections (HCAIs). Since surface cleaning and disinfecting interventions are not totally effective to eliminate Candida spp., new approaches should be devised. Copper (Cu) has widely recognized antifungal activity and the use of Cu-sputtered surfaces has recently been proposed to curb the spread of HCAIs. Moreover, the activity of Cu under the action of actinic light remains underexplored. We investigated the antifungal activity of Cu-sputtered polyester surfaces (Cu-PES) against azole-resistant Candida albicans and Candida glabrata under dark and low intensity visible light irradiation (4...
July 29, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28793827/kiwi-omnicup-handheld-vs-mityvac-m-style-conventional-vacuum-system-a-retrospective-observational-study
#2
Tal Weissbach, Nasreen Hag-Yahia, Michal Ovadia, Keren Tzadikevitch Geffen, Omer Weitzner, Tal Biron-Shental
INTRODUCTION: To improve choice of vacuum-assisted delivery (VAD) system, we compared outcomes of Kiwi handheld system and Mityvac M-style conventional system (both use disposable plastic cups). MATERIALS AND METHODS: Retrospective observational study with data collection from electronic medical records. The study was conducted at a tertiary medical center, with approximately 7000 deliveries annually. Categorical and continuous variables were analyzed using chi-square test and t-test, respectively...
August 9, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28763996/a-novel-magnetic-ion-imprinted-polymer-as-a-selective-magnetic-solid-phase-for-separation-of-trace-lead-ii-ions-from-agricultural-products-and-optimization-using-a-box-behnken-design
#3
Zohreh Dahaghin, Hassan Zavvar Mousavi, S Maryam Sajjadi
In this work, a magnetic ion-imprinted polymer (Fe3O4@SiO2@IIP) as a novel and selective nanosorbent for selective extraction of Pb(II) ions from various agricultural products is presented. The novel lead magnetic ion-imprinted polymer was synthesized by imidazole as a new ligand and grafted onto the surface of Fe3O4@SiO2 NPs. A Box-Behnken (BBD) design was used for optimization of the extraction and elution steps. In the selected conditions, the limit of detection was 0.48ngmL(-1), preconcentration factor was 300, the sorption capacity of this new magnetic ion-imprinted polymer was 105mgg(-1), and the precision of the method (RSD%) for six replicate measurements was found 3...
December 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28759758/kiwi-fruit-actinidia-deliciosa-ameliorates-gentamicin-induced-nephrotoxicity-in-albino-mice-via-the-activation-of-nrf2-and-the-inhibition-of-nf-%C3%AE%C2%BAb-kiwi-gentamicin-induced-nephrotoxicity
#4
Yomna I Mahmoud
Gentamicin is a potent aminoglycoside antibiotic, but the risk of nephrotoxicity limits its prolonged use. The toxicity of gentamicin is believed to result from oxidative stress, a condition that could be counteracted by dietary antioxidants. This study determines the possible renoprotective effects of kiwifruit against the pathophysiological and ultrastructural alterations induced by gentamicin. Mice were intraperitoneally injected with gentamicin (100mg/kg body weight) for eight consecutive days, and kiwi juice was administered for 8days, either concomitant to or after gentamicin injection...
July 28, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28758649/evidence-for-differentiated-ionic-and-surface-contact-effects-driving-bacterial-inactivation-by-way-of-genetically-modified-bacteria
#5
Sami Rtimi, Victor Nadtochenko, Inessa Khmel, John Kiwi
New evidence is presented for the bacterial inactivation of E. coli presenting normal porins on sputtered Ag-Cu surfaces compared with similar E. coli porinless bacteria. Inactivation at a reduced rate was observed on the genetically modified porinless bacteria interacting via surface contact with metal/oxides without the intervention of metal-ions.
July 31, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28755031/interspecies-differences-in-plasma-concentrations-of-25-hydroxyvitamin-d3-and-dermal-vitamin-d-synthesis-of-kiwi-apteryx-mantelli-tuatara-sphenodon-punctatus-and-new-zealand-sea-lions-phocarctos-hookeri
#6
Madhumita S Kale, Keren E Dittmer, Wendi D Roe, Brett D Gartrell
Vitamin D plays a central role in calcium homeostasis of most vertebrates, and is obtained in different species through diet, dermal synthesis, or a combination of both. The aim of this study was to determine the predominant routes of Vitamin D synthesis in three disparate species, brown kiwi (Apteryx mantelli), tuatara (Sphenodon punctatus), and New Zealand sea lions (Phocarctos hookeri). We surveyed plasma concentrations of 25-hydroxyvitamin D2 and D3, analysed environmental conditions and life history factors, and determined the ability of skin samples to synthesise Vitamin D3 on exposure to ultraviolet-B radiation...
July 28, 2017: Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology
https://www.readbyqxmd.com/read/28732865/effect-of-molecular-weight-of-chitosan-on-the-shelf-life-and-other-quality-parameters-of-three-different-cultivars-of-actinidia-kolomikta-kiwifruit
#7
Tomas Drevinskas, Gintarė Naujokaitytė, Audrius Maruška, Murat Kaya, Idris Sargin, Remigijus Daubaras, Laima Česonienė
The kiwi fruit, Actinidia kolomikta, has valuable properties such as high antioxidant activity, high vitamin C, polyphenols, chlorophylls and organic acids content, but the species are hardly commercialized due to their short shelf life (less than two days). In this study three different cultivars of A. kolomikta (Anykšta, Sentiabrskaya and VIR2) were coated with low, medium and high molecular weight chitosan bio-polymer with the aim to extend the shelf life. The changes in fruit firmness, mass, phenolic compound content, vitamin C content and subjective criteria (withering level, decoloration level and aesthetic appearance) were monitored...
October 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28705748/effect-of-secondary-metabolite-of-actinidia-deliciosa-on-the-biofilm-and-extra-cellular-matrix-components-of-acinetobacter-baumannii
#8
Vishvanath Tiwari, Deepika Tiwari, Varsha Patel, Monalisa Tiwari
Acinetobacter baumannii, opportunistic nosocomial pathogen, increases gradually in the clinical setup. The high level of resistance mechanisms acquired by these bacteria makes their eradication difficult and biofilm formation is one of them. Biofilm comprises of closely packed bacterial population crowded together by extra-cellular matrix (ECM). ECM contains bacterial secreted polymers such as exopolysaccharides (EPS), proteins and extracellular-DNA (e-DNA) and rarely amyloidogenic proteins. Biofilm offers protection of underlying bacterial population against chemotherapeutic agents and host immune system...
July 11, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28683451/sleep-related-electrophysiology-and-behavior-of-tinamous-eudromia-elegans-tinamous-do-not-sleep-like-ostriches
#9
Ryan K Tisdale, Alexei L Vyssotski, John A Lesku, Niels C Rattenborg
The functions of slow wave sleep (SWS) and rapid eye movement (REM) sleep, distinct sleep substates present in both mammals and birds, remain unresolved. One approach to gaining insight into their function is to trace the evolution of these states through examining sleep in as many taxonomic groups as possible. The mammalian and avian clades are each composed of two extant groups, i.e., the monotremes (echidna and platypus) and therian (marsupial and eutherian [or placental]) mammals, and Palaeognaths (cassowaries, emus, kiwi, ostriches, rheas, and tinamous) and Neognaths (all other birds) among birds...
2017: Brain, Behavior and Evolution
https://www.readbyqxmd.com/read/28679696/distinct-developmental-pathways-underlie-independent-losses-of-flight-in-ratites
#10
Cynthia Faux, Daniel J Field
Recent phylogenetic studies question the monophyly of ratites (large, flightless birds incorporating ostriches, rheas, kiwis, emus and cassowaries), suggesting their paraphyly with respect to flying tinamous (Tinamidae). Flightlessness and large body size have thus likely evolved repeatedly among ratites, and separately in ostriches (Struthio) and emus (Dromaius). Here, we test this hypothesis with data from wing developmental trajectories in ostriches, emus, tinamous and chickens. We find the rate of ostrich embryonic wing growth falls within the range of variation exhibited by flying taxa (tinamous and chickens), but that of emus is extremely slow...
July 2017: Biology Letters
https://www.readbyqxmd.com/read/28667639/flavonoid-rich-agro-industrial-residues-for-enhanced-bacterial-laccase-production-by-submerged-and-solid-state-fermentation
#11
Aarjoo Sharma, Vijaya Gupta, Mussarat Khan, Sanjeev Balda, Naveen Gupta, Neena Capalash, Prince Sharma
Laccases have potential applications in industrial, biotechnological, and environmental set ups. Development of cost effective and efficient production technologies has gained significant attention in recent years. To enhance the laccase production from Rheinheimera sp. (Gram negative) using submerged fermentation (SmF) and from Lysinibacillus sp. (Gram positive) using solid-state fermentation (SSF), the inducing effect of various flavonoid-rich agro-industrial residues was investigated. Peels of citrus fruits, soybean meal, tofu dreg, lignin monomers, and lingo-cellulosic waste, used tea leaves and peels of onion and kiwi, paper, and dying industry effluents were tested as inducers...
July 2017: 3 Biotech
https://www.readbyqxmd.com/read/28647325/the-processing-of-semantic-relatedness-in-the-brain-evidence-from-associative-and-categorical-false-recognition-effects-following-transcranial-direct-current-stimulation-of-the-left-anterior-temporal-lobe
#12
Emiliano Díez, Carlos J Gómez-Ariza, Antonio M Díez-Álamo, María A Alonso, Angel Fernandez
A dominant view of the role of the anterior temporal lobe (ATL) in semantic memory is that it serves as an integration hub, specialized in the processing of semantic relatedness by way of mechanisms that bind together information from different brain areas to form coherent amodal representations of concepts. Two recent experiments, using brain stimulation techniques along with the Deese-Roediger-McDermott (DRM) paradigm, have found a consistent false memory reduction effect following stimulation of the ATL, pointing to the importance of the ATL in semantic/conceptual processing...
August 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28618382/electrochemical-determination-of-morin-in-kiwi-and-strawberry-fruit-samples-using-vanadium-pentoxide-nano-flakes
#13
Ragu Sasikumar, Mani Govindasamy, Shen-Ming Chen, Yu Chieh-Liu, Palraj Ranganathan, Syang-Peng Rwei
Herein, we report the synthesis of Vanadium Pentoxide Nanoflakes (V2O5 NF) using ionic liquid and employed the V2O5 NF in electrochemical determination of Morin (MR) in fruit samples. The V2O5 NF were characterized by Powder X-ray diffraction (PXRD), scanning electron microscope (SEM), energy-dispersive X-ray analyzer (EDX), differential pulse voltammetry (DPV), and cyclic voltammetry (CV). Remarkably, the as-synthesized V2O5 NF exhibited excellent electrochemical behavior and electrochemical ability towards MR...
March 9, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28587959/cellulose-nanocrystals-from-actinidia-deliciosa-pruning-residues-combined-with-carvacrol-in-pva_ch-films-with-antioxidant-antimicrobial-properties-for-packaging-applications
#14
Francesca Luzi, Elena Fortunati, Geremia Giovanale, Angelo Mazzaglia, Luigi Torre, Giorgio Mariano Balestra
Kiwi Actinidia deliciosa pruning residues were here used for the first time as precursors for the extraction of high performing cellulose nanocrystals (CNC) by applying a bleaching treatment followed by an acidic hydrolysis. The resultant cellulosic nanostructures, obtained by an optimize extraction procedure (0.7% wt/v two times of sodium chlorite NaClO2) followed by an hydrolysis step, were then used as reinforcements phases in poly(vinyl alcohol) (PVA) blended with natural chitosan (CH) based films and also combined, for the first time, with carvacrol used here as active agent...
June 3, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28572931/modeling-of-drying-kiwi-slices-and-its-sensory-evaluation
#15
Abbas Mahjoorian, Mohsen Mokhtarian, Nasrin Fayyaz, Fatemeh Rahmati, Shabnam Sayyadi, Peiman Ariaii
In this study, monolayer drying of kiwi slices was simulated by a laboratory-scale hot-air dryer. The drying process was carried out at three different temperatures of 50, 60, and 70°C. After the end of drying process, initially, the experimental drying data were fitted to the 11 well-known drying models. The results indicated that Two-term model gave better performance compared with other models to monitor the moisture ratio (with average R(2) value equal .998). Also, this study used artificial neural network (ANN) in order to feasibly predict dried kiwi slices moisture ratio (y), based on the time and temperature drying inputs (x1, x2)...
May 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/28496972/vuv-uv-light-inducing-accelerated-phenol-degradation-with-a-low-electric-input
#16
Mengkai Li, Dong Wen, Zhimin Qiang, John Kiwi
This study presents the first evidence for the accelerated degradation of phenol by Fenton's reagent in a mini-fluidic VUV/UV photoreaction system (MVPS). A low-pressure mercury lamp used in the MVPS led to a complete degradation of phenol within 4-6 min. The HO˙ and HO2˙ originating from both Fenton's reagent and VUV photolysis of water were identified with suitable radical scavengers. The effects of initial concentrations of phenol, H2O2 and Fe(3+) as well as solution pH on phenol degradation kinetics were examined...
January 23, 2017: RSC Advances
https://www.readbyqxmd.com/read/28374109/description-of-four-new-species-of-coccidia-apicomplexa-eimeriidae-from-brown-kiwi-apteryx-mantelli-in-new-zealand
#17
K J Morgan, W E Pomroy, L Howe, M R Alley, I Castro
This study used morphological techniques to describe and name four new species of coccidia from the brown kiwi (Apteryx mantelli). Four distinct eimerian oocyst species were recovered that we describe as new species. The largest of these, Eimeria paraurii n. sp. measured 32.2 × 19.8 μm and is morphologically similar to gametocytes previously described histologically in colorectal polyps (Morgan et al. in Parasitol Res 111(4):1689-1699, 2012). Eimeria apteryxii n. sp. measured 23.9 × 14.9 μm and is similar to renal oocysts described histologically in brown, rowi (A...
May 2017: Parasitology Research
https://www.readbyqxmd.com/read/28317715/evaluation-of-penicillium-expansum-for-growth-patulin-accumulation-nonvolatile-compounds-and-volatile-profile-in-kiwi-juices-of-different-cultivars
#18
Yuan Wang, Tingting Shan, Yahong Yuan, Zhiwei Zhang, Chunfeng Guo, Tianli Yue
Patulin (PAT) contamination and changes of nonvolatile and volatile compounds caused by Penicillium expansum in fresh juices of 8 kiwi cultivars were investigated. Growth and PAT production of P. expansum were greater at 25°C than at 4°C. P. expansum grew in kiwi juices under pH ranging from 2.75 to 3.27 and produced 45.10-268.88μg/mL of PAT at 25°C. Decreases occurred in malic acid and soluble protein; while consumption and production simultaneously happened for reducing sugar, total soluble solid, titratable acid, citric acid, ascorbic acid and total phenolics...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28296166/bony-pits-in-the-ostrich-struthio-camelus-and-emu-dromaius-novaehollandiae-bill-tip
#19
Martina R Crole, John T Soley
A specialized region of the bill tip characterized by a complex arrangement of mechanoreceptors and referred to as a bill tip organ, has been identified in numerous avians. A bill tip organ was initially inferred in kiwi species by the presence of numerous, bony pits in the rostrum of the bill, and later confirmed histologically. This study enumerates and compares the number and distribution of pits present in the bill tip in the ostrich and emu. The heads from 10 ostrich and 5 emu were prepared for osteological examination...
March 14, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28259411/genetic-and-functional-analysis-of-the-bovine-uterine-microbiota-part-ii-purulent-vaginal-discharge-versus-healthy-cows
#20
M L S Bicalho, S Lima, C H Higgins, V S Machado, F S Lima, R C Bicalho
The aim of this study was to characterize, using metagenomic shotgun DNA sequencing, the intrauterine microbial population and its predicted functional diversity within healthy cows and cows presenting purulent vaginal discharge (PVD). Twenty Holstein dairy cows from a single farm were enrolled in the study at 25 to 35 d postpartum. Purulent vaginal discharge was diagnosed by retrieving and scoring vaginal discharge using the Metricheck device (Simcro, Hamilton, New Zealand). Intrauterine samples for metagenomic analysis were collected by the cytobrush technique from 8 cows diagnosed with PVD and 12 healthy cows...
May 2017: Journal of Dairy Science
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