keyword
MENU ▼
Read by QxMD icon Read
search

Cast

keyword
https://www.readbyqxmd.com/read/28829793/ecological-stoichiometry-of-the-honeybee-pollen-diversity-and-adequate-species-composition-are-needed-to-mitigate-limitations-imposed-on-the-growth-and-development-of-bees-by-pollen-quality
#1
Michał Filipiak, Karolina Kuszewska, Michel Asselman, Bożena Denisow, Ernest Stawiarz, Michał Woyciechowski, January Weiner
The least understood aspects of the nutritional needs of bees are the elemental composition of pollen and the bees' need for a stoichiometrically balanced diet containing the required proportions of nutrients. Reduced plant diversity has been proposed as an indirect factor responsible for the pollinator crisis. We suggest stoichiometric mismatch resulting from a nutritionally unbalanced diet as a potential direct factor. The concentrations and stoichiometric ratios of C, N, S, P, K, Na, Ca, Mg, Fe, Zn, Mn, and Cu were studied in the bodies of honeybees of various castes and sexes and in the nectar and pollen of various plant species...
2017: PloS One
https://www.readbyqxmd.com/read/28828450/nanoporous-amorphous-ge-si-alloys-unraveling-the-physics-behind-ion-beam-induced-morphogenesis
#2
Fritz Lehnert, Stefan G Mayr
Despite a high technical relevance and 35 years of observation, self-organized morphogenesis of nanoporous sponge-like amorphous structures during exposure of selected covalent materials to energetic ions is still insufficiently understood. Due to the presence and absence of these effects in amorphous Ge and Si, respectively, the Ge-Si alloy system constitutes an ideal testbed to track down the underlying physics at the atomic scale. This is realized within the present study by a combination of tailored experiments and extensive molecular dynamics computer modeling...
August 22, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28828160/comparison-of-the-effect-of-different-surface-treatments-on-the-bond-strength-of-different-cements-with-nickel-chromium-metal-alloy-an-in-vitro-study
#3
Saumya Kapoor, Nayana Prabhu, Dhanasekar Balakrishnan
BACKGROUND: For success of any indirect metal restoration, a strong bond between cement and the intaglio surface of metal is imperative. The aim of this study is to evaluate and compare the effect of different surface treatment on the tensile and shear bond strength of different cements with nickel-chromium alloy. MATERIAL AND METHODS: 120 premolars were sectioned horizontally parallel to the occlusal surface to expose the dentin. Wax patterns were fabricated for individual tooth followed by casting them in nickel chromium alloy...
July 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28828016/effect-of-polyvinyl-siloxane-viscosity-on-accuracy-of-dental-implant-impressions
#4
Ahmad Ghahremanloo, Mahdieh Seifi, Jalil Ghanbarzade, Seyyed Mohammad Abrisham, Rashid Abdolah Javan
OBJECTIVES: The aim of this study was to compare the accuracy of dental implant impressions obtained by a combination of different impression techniques and viscosities of polyvinyl siloxane (PVS). MATERIALS AND METHODS: Four parallel fixtures were placed between mental foramina in a master model of lower dental arch. Three different viscosities (putty/light body, medium body/light body, and monophase: heavy body) and direct and indirect techniques (six groups) were used, and seven impressions were obtained from each group (n=42)...
January 2017: Journal of Dentistry of Tehran University of Medical Sciences
https://www.readbyqxmd.com/read/28828015/effect-of-storage-period-on-dimensional-stability-of-alginplus-and-hydrogum-5
#5
Shima Aalaei, Rohollah Ganj-Khanloo, Fatemeh Gholami
OBJECTIVES: This study aimed to evaluate the effect of storage period on dimensional stability of Alginplus and Hydrogum 5. MATERIALS AND METHODS: In this in vitro experimental study, 60 impressions were taken of an upper jaw typodont, including 10 impressions for each storage period to be tested (12 minutes, 24 and 120 hours) for each type of alginate. Then, the impressions were stored in an incubator with stable temperature and humidity, and poured using a type III dental stone...
January 2017: Journal of Dentistry of Tehran University of Medical Sciences
https://www.readbyqxmd.com/read/28827776/template-assisted-preparation-of-micrometric-suspended-membrane-lattices-of-photoluminescent-and-non-photoluminescent-polymers-by-capillarity-driven-solvent-evaporation-application-to-microtagging
#6
Giovanni Polito, Valentina Robbiano, Chiara Cozzi, Franco Cacialli, Giuseppe Barillaro
In this work, the bottom-up template-assisted preparation of high-density lattices (up to 11 · 10(6) membranes/cm(2)) of suspended polymer membranes with micrometric size (in the order of few μm(2)) and sub-micrometric thickness (in the order of hundreds of nm) is demonstrated for both photoluminescent and non-photoluminescent polymers by capillarity-driven solvent evaporation. Solvent evaporation of low concentration polymer solutions drop-cast on an array of open-ended micropipes is shown to lead to polymer membrane formation at the inlet of the micropipes thanks to capillarity...
August 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28826865/medial-tentorial-dural-arteriovenous-fistulae-embolization-single-experience-with-embolic-liquid-polymer-squid-and-review-of-the-literature
#7
Gioppo Andrea, Faragò Giuseppe, Caldiera Valentina, Caputi Luigi, Cusin Alberto, Ciceri Elisa
BACKGROUND: Tentorial dural arteriovenous fistulae (DAVF) are uncommon and complex fistulae located between the leaves of the tentorium cerebelli, with a specific anatomical and clinical presentation characterized by high hemorrhagic risk. We present a rare case of a medial tentorial DAVF successfully managed via a transarterial embolization utilizing Squid liquid polymer. CASE DESCRIPTION: A 60-year-old woman presented to our Institution with a history of left progressive hearing loss and tinnitus for over a year...
August 18, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28826784/accuracy-of-3-dimensional-virtual-surgical-simulation-combined-with-digital-teeth-alignment-a-pilot-study
#8
Jung-Hoon Kim, Young-Chel Park, Hyung-Seog Yu, Moon-Key Kim, Sang-Hoon Kang, Yoon Jeong Choi
PURPOSE: To evaluate the accuracy of virtual surgical simulation combined with digital teeth alignment and the applicability of this technique to the diagnosis and establishment of a 3-dimensional (3D) visualized treatment objective for orthognathic surgery by comparing virtual simulation images with actual post-treatment images. MATERIALS AND METHODS: This retrospective study included patients who underwent computed tomography (CT) before and after treatment. The 3D digital images were constructed from the initial CT images and dental cast scan data, and virtual surgical simulation combined with digital teeth alignment was performed...
July 26, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28826381/the-hermetic-frontispiece-contextualising-john-dee-s-hieroglyphic-monad
#9
Peter J Forshaw
This essay examines the elaborate title pages of some of alchemist, astrologer, and bibliophile John Dee's publications with a focus on the two best known works that feature his famous Hieroglyphic Monad, the Propaedeumata Aphoristica (1558) and Monas Hieroglyphica (1564). The aim is to cast light on its context, identify sources for some textual influences in the works, unpack the visual symbolism in the two "monadic" title pages in relation to the two complementary sciences of "superior" and "inferior" astronomy, speculate on some of the more enigmatic details, and conclude with a brief discussion of a possible astrological significance to the dates of composition of the Monas Hieroglyphica...
August 21, 2017: Ambix
https://www.readbyqxmd.com/read/28826357/3d-printing-and-angiogenesis-tailored-agarose-type-i-collagen-blends-comprise-3d-printability-and-angiogenesis-potential-for-tissue-engineered-substitutes
#10
Franziska Kreimendahl, Marius Köpf, Anja Lena Thiebes, Daniela F Duarte Campos, Andreas Blaeser, Thomas Schmitz-Rode, Christian Apel, Stefan Jockenhoevel, Horst Fischer
3D bioprinting is a promising technology for manufacturing cell-laden tissue engineered constructs. Larger tissue substitutes, however, require a vascularized network to ensure nutrition supply. Therefore, tailored bioinks combining 3D printability and cell-induced vascularization are needed. We hypothesize that tailored hydrogel blends made of agarose-type I collagen and agarose-fibrinogen are 3D printable and will allow the formation of capillary-like structures by human umbilical vein endothelial cells and human dermal fibroblasts...
August 21, 2017: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/28822937/role-of-earthworms-mucus-in-vermicomposting-system-biodegradation-tests-based-on-humification-and-microbial-activity
#11
Kui Huang, Hui Xia
During vermicomposting, the organic wastes can be recycled into high-value products as mediated by earthworms through gut digestion, burrowing, casting and mucus excretion. However, to date, few studies have been done on the role of mucus in vermicomposting system compared to the effects of the other activities. Hence, this study investigated the potential role of earthworms' mucus in the decomposition and humification of organic wastes. For this, the mucus of Eisenia fetida was extracted and inoculated into three vermicomposting substrates using cow dung (CD), fruit and vegetable wastes (FVW), and sewage sludge (SS)...
August 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28822670/peritrapezial-osteoarthritis-inter-and-intraobserver-reliability-of-the-allieu-classification
#12
F Vigouroux, F Rabarin, J Jeudy, N Bigorre, Y Saint Cast, L Pechmajou, G Raimbeau
The Allieu classification takes into consideration the distal and proximal joints of the trapezium. Trapeziometacarpal (TMC) joint arthritis, TMC joint instability (TMI) and scapho-trapezio-trapezoid (STT) joint arthritis are considered independently, which better corresponds to the anatomical examinations. The aim of the study was to evaluate the inter- and intraobserver reliability of the Allieu classification of the peritrapezial arthritis. This was a prospective, single-center study performed from May to September 2016 with 30 cases of primary thumb osteoarthritis...
August 16, 2017: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/28822015/experimental-periodontitis-in-the-potentialization-of-the-effects-of-immobilism-in-the-skeletal-striated-muscle
#13
Marcela Aparecida Leite, Tatiane Morgenstern de Mattia, Camila Mayumi Martin Kakihata, Bruna Martinazzo Bortolini, Pedro Henrique de Carli Rodrigues, Gladson Ricardo Flor Bertolini, Rose Meire Costa Brancalhão, Lucinéia de Fátima Chasko Ribeiro, Carlos Augusto Nassar, Patrícia Oehlmeyer Nassar
This study aims to evaluate if ligature-induced periodontitis can potentiates the deleterious effects of immobilization in the skeletal striated muscle, contributing to the development of muscle atrophy due to disuse. Forty Wistar rats were divided into four groups: (1) Control Group (CG), (2) Periodontal Disease (PDG), (3) Immobilized (IG), and (4) Immobilized with Periodontal Disease (IPDG). Periodontal disease was induced for 30 days, with ligature method, and the immobilization was performed with cast bandage for 15 days...
August 18, 2017: Inflammation
https://www.readbyqxmd.com/read/28821570/juvenile-hormone-but-not-nutrition-or-social-cues-affects-reproductive-maturation-in-solitary-alkali-bees-nomia-melanderi
#14
Karen M Kapheim, Makenna M Johnson
Eusocial insect colonies are defined by extreme variation in reproductive activity among castes, but the ancestral conditions from which this variation arose are unknown. Investigating the factors that contribute to variation in reproductive physiology among solitary insects that are closely related to social species can help to fill this gap. We experimentally tested the role of nutrition, juvenile hormone, and social cues on reproductive maturation in solitary alkali bees (Halictidae: Nomia melanderi). We find that alkali bee females emerge from overwintering with small Dufour's glands and small ovaries, containing oocytes in the early stages of development...
August 18, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28821127/a-comparative-study-on-cellulose-nanocrystals-extracted-from-bleached-cotton-and-flax-and-used-for-casting-films-with-glycerol-and-sorbitol-plasticisers
#15
Emilia Csiszár, Sebestyén Nagy
Cellulose nanocrystals (CNCs) were released from bleached cotton and flax by a sulphuric acid hydrolysis with about 40 and 34% yield, respectively. The rod-like cotton-CNC particles were slightly longer and wider and had a less pronounced aggregation ability in aqueous suspension than the flax-CNC ones. Films were cast from the CNC suspensions with sorbitol and glycerol plasticisers. The concept behind this research was to explore how the plasticisers - with similar structure but different molecular weight - and their concentrations affect the perceptible and measured properties of CNC films...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28821112/electrospun-hypromellose-based-hydrophilic-composites-for-rapid-dissolution-of-poorly-water-soluble-drug
#16
Qing Wang, Deng-Guang Yu, Ling-Ling Zhang, Xin-Kuan Liu, Yang-Chao Deng, Min Zhao
Hypromellose (HPMC)-based hydrophilic composites (HCs) used for rapid dissolution of ferulic acid (FA) were investigated. Electrospun and casting HCs were prepared from a solution containing HPMC, FA, and polyethylene glycol. Ethanol was used as sheath fluid during coaxial processes, and the effects of its flow rates on the Taylor cone and straight fluid jet were investigated. The morphology, component state, hydrophilicity, and drug dissolution rate of the HCs were characterized. Results demonstrated that all HCs were amorphous materials, and their components were compatible...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28820741/electromagnetic-and-optical-characteristics-of-nb5-doped-double-crossover-and-salmon-dna-thin-films
#17
Mitta Sekhar Babu, Sreekantha Reddy Dugasani, Soon-Gil Jung, Srivithya Vellampatti, Tuson Park, Sung Ha Park
We report the fabrication and physical characteristics of niobium ion (Nb5+)-doped double-crossover DNA (DX-DNA) and salmon DNA (SDNA) thin films. Different concentrations of Nb5+ ([Nb5+]) are coordinated into the DNA molecules, and the thin films are fabricated via substrate-assisted growth (DX-DNA) and drop-casting (SDNA) on oxygen plasma treated substrates. We conducted atomic force microscopy to estimate the optimum concentration of Nb5+ ([Nb5+]O = 0.08 mM) in Nb5+-doped DX-DNA thin films, up to which the DX-DNA lattices maintain their structures without deformation...
August 18, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28819489/-elastic-stable-intramedullary-nailing-esin-in-the-treatment-of-both-bone-forearm-fractures-in-the-child-about-87-cases
#18
Saad Andaloussi, Mohamed Amine Oukhouya, Othmane Alaoui, Karima Atarraf, Lamiae Chater, My Abderrahmane Afifi
This study aims to describe the complications of elastic stable intramedullary nailing (ESIN) in the treatment of both-bone forearm diaphyseal fractures in the child. Between January 2009 and December 2013, 87 children with both-bone forearm diaphyseal fractures were treated by elastic stable intramedullary nailing with Métaizeau nails. 76 boys and 11 girls, with an average age of 12 years, were enrolled in the study. Nailing was promptly performed in 50 cases and after secondary displacement during plaster-cast treatment in the other cases...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28819196/specialized-odorant-receptors-in-social-insects-that-detect-cuticular-hydrocarbon-cues-and-candidate-pheromones
#19
Gregory M Pask, Jesse D Slone, Jocelyn G Millar, Prithwiraj Das, Jardel A Moreira, Xiaofan Zhou, Jan Bello, Shelley L Berger, Roberto Bonasio, Claude Desplan, Danny Reinberg, Jürgen Liebig, Laurence J Zwiebel, Anandasankar Ray
Eusocial insects use cuticular hydrocarbons as components of pheromones that mediate social behaviours, such as caste and nestmate recognition, and regulation of reproduction. In ants such as Harpegnathos saltator, the queen produces a pheromone which suppresses the development of workers' ovaries and if she is removed, workers can transition to a reproductive state known as gamergate. Here we functionally characterize a subfamily of odorant receptors (Ors) with a nine-exon gene structure that have undergone a massive expansion in ants and other eusocial insects...
August 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/28818631/topical-medical-cannabis-tmc-a-new-treatment-for-wound-pain-three-cases-of-pyoderma-gangrenosum
#20
Vincent Maida, Jason Corban
Pain associated with integumentary wounds is highly prevalent yet it remains an area of significant unmet need within healthcare. Currently, systemically administered opioids are the mainstay of treatment. However, recent publications are casting opioids in a negative light given their high side effect profile, inhibition of wound healing, and association with accidental overdose, incidents that are frequently fatal. Thus, novel analgesic strategies for wound-related pain need to be investigated. The ideal methods of pain relief for wound patients are modalities that are topical, lack systemic side effects, non-invasive, self-administered, and display rapid onset of analgesia...
August 14, 2017: Journal of Pain and Symptom Management
keyword
keyword
67121
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"