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https://www.readbyqxmd.com/read/29332104/assessment-of-the-fit-of-removable-partial-denture-fabricated-by-computer-aided-designing-computer-aided-manufacturing-technology
#1
Khalid A O Arafa
To assess the level of evidence that supports the quality of fit for removable partial denture (RPD) fabricated by computer-aided designing/computer aided manufacturing (CAD/CAM) and rapid prototyping (RP) technology. Methods: An electronic search was performed in Google Scholar, PubMed, and Cochrane library search engines, using Boolean operators. All articles published in English and published in the period from 1950 until April 2017 were eligible to be included in this review. The total number of articles contained the search terms in any part of the article (including titles, abstracts, or article texts) were screened, which resulted in 214 articles...
January 2018: Saudi Medical Journal
https://www.readbyqxmd.com/read/29331021/onset-progression-and-resolution-of-experimental-peri-implant-mucositis-at-different-abutment-surfaces-a-randomized-controlled-two-center-study
#2
F Schwarz, J Becker, C Sara, D Hazar, T Iglhaut, G Iglhaut
OBJECTIVES: To assess the onset, progression and resolution of experimentally induced peri-implant mucositis lesions at abutments with different microstructures in humans. MATERIAL & METHODS: In a randomized, controlled, interventional two-center study, a total of 28 patients had received 28 target implants and were randomly allocated to either partially microgrooved- (test) or machined (control) healing abutments. The study was accomplished in 3 phases, including a wound healing period (WH) following implant placement (12 weeks), a plaque exposure phase (EP - 21 days) and a resolution phase (RP - 16 weeks)...
January 13, 2018: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/29330815/supplementing-dietary-rosemary-rosmarinus-officinalis-l-powder-and-vitamin-e-in-broiler-chickens-evaluation-of-humoral-immune-response-lymphoid-organs-and-blood-proteins
#3
Hossein Rostami, Alireza Seidavi, Mohammad Dadashbeiki, Yadollah Asadpour, João Simões, Assar Ali Shah, Vito Laudadio, Caterina Losacco, Antonella Perillo, Vincenzo Tufarelli
The aim of the present study was to evaluate the effect rosemary (Rosmarinus officinalis L.) powder (RP) and vitamin E (VE) at different levels on humoral immunity of broilers during a 42-day production cycle. A total of 270 1-day-old male chicks were assigned to nine groups with three replicates of ten birds each, and diets were supplemented with 0, 0.5, or 1.0% RP and 0, 100, or 200 mg/kg VE, respectively. Commercial-inactivated vaccines against avian influenza (AI) and Newcastle disease (ND) viruses, and living infectious bronchitis virus (IBV) vaccine were administered by spray method...
January 12, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29330344/parathyroid-hormone-related-protein-exhibits-antioxidant-features-in-osteoblastic-cells-through-its-n-terminal-and-osteostatin-domains
#4
S Portal-Núñez, J A Ardura, D Lozano, I Martínez de Toda, M De la Fuente, G Herrero-Beaumont, R Largo, P Esbrit
OBJECTIVES: Oxidative stress plays a major role in the onset and progression of involutional osteoporosis. However, classical antioxidants fail to restore osteoblast function. Interestingly, the bone anabolism of parathyroid hormone (PTH) has been shown to be associated with its ability to counteract oxidative stress in osteoblasts. The PTH counterpart in bone, which is the PTH-related protein (PTHrP), displays osteogenic actions through both its N-terminal PTH-like region and the C-terminal domain...
January 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29329709/characterization-of-singly-and-multiply-pegylated-insulin-isomers-by-reversed-phase-ultra-performance-liquid-chromatography-interfaced-with-ion-mobility-mass-spectrometry
#5
Selim Gerislioglu, Scott R Adams, Chrys Wesdemiotis
Conjugation of poly(ethylene glycol) (PEG) to protein drugs (PEGylation) is increasingly utilized in the biotherapeutics field because it improves significantly the drugs' circulatory half-life, solubility, and shelf-life. The activity of a PEGylated drug depends on the number, size, and location of the attached PEG chain(s). This study introduces a 2D separation approach, including reversed-phase ultra-performance liquid chromatography (RP-UPLC) and ion mobility mass spectrometry (IM-MS), in order to determine the structural properties of the conjugates, as demonstrated for a PEGylated insulin sample that was prepared by random amine PEGylation...
April 3, 2018: Analytica Chimica Acta
https://www.readbyqxmd.com/read/29329568/prospective-longitudinal-quality-of-life-and-survival-outcomes-in-patients-with-advanced-infiltrative-hepatocellular-carcinoma-and-portal-vein-thrombosis-treated-with-yttrium-90-radioembolization
#6
Minzhi Xing, Nima Kokabi, Juan C Camacho, Hyun S Kim
BACKGROUND: To determine the effect of Yttrium-90 (Y90) radioembolization on health-related quality of life (HRQOL) and its effect on overall survival advanced, unresectable infiltrative hepatocellular carcinoma (HCC) patients with concurrent portal vein thrombosis (PVT). METHODS: Consecutive patients with unresectable infiltrative HCC and PVT were recruited. The Short-Form 36 (SF-36) questionnaire was used to assess HRQOL for consecutive patients treated with glass-based Y90 based on a prospective phase II trial...
January 12, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29329094/hydrophilic-interaction-liquid-chromatography-in-the-speciation-analysis-of-selenium
#7
Aleksandra Sentkowska, Krystyna Pyrzynska
The hydrophilic interaction liquid chromatography (HILIC) coupled to mass spectrometry was employed to study retention behavior of selected selenium compounds using two different HILIC stationary phases: silica and zwitterionic. Two organic solvents - acetonitrile and methanol - were compared as a component of mobile phase. Separation parameters such as a content of organic modifier, the eluent pH and inorganic buffer concentration were investigated. Based on all observations, methanol seems to be beneficial for the separation of studied compounds...
January 8, 2018: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29322016/evaluation-of-in%C3%A2-vitro-and-in%C3%A2-vivo-antileishmanial-potential-of-bergenin-rich-bergenia-ligulata-wall-engl-root-extract-against-visceral-leishmaniasis-in-inbred-balb-c-mice-through-immunomodulation
#8
Rupinder Kaur, Sukhbir Kaur
Background: Medicinal plants with immunomodulatory properties can provide good alternative therapeutics for curing visceral leishmaniasis. Bergenia ligulata (Wall.) Engl. is an interesting plant with strong antioxidant, antimicrobial, immunomodulatory and hepatoprotective properties. Aim: The present study was planned to determine the antileishmanial activity of plant extract by modulating the immune responses of inbred BALB/c mice. Methodology: Bergenin, the principle active component of B...
January 2018: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/29319218/an-uncommon-response-to-a-ventricular-extrastimulus-during-a-short-rp-supraventricular-tachycardia-what-is-the-mechanism
#9
Mitsunori Maruyama, Shunsuke Uetake, Yasushi Miyauchi, Wataru Shimizu
No abstract text is available yet for this article.
January 10, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29317103/the-influence-of-ph-on-retention-and-migration-of-peptides-in-systems-with-octadecyl-silica-based-adsorbent-by-high-performance-thin-layer-chromatography-and-pressurized-planar-electrochromatography-techniques
#10
Radosław Ł Gwarda, Tadeusz H Dzido
In our paper we investigate the influence of pH of the mobile phase buffer, on retention of peptides in both: normal phase (NP) and reversed phase (RP) high-performance thin-layer chromatography systems (HPTLC), using C18 silica-based adsorbent. We also compare the influence of pH on retention and/or migration distance of peptides in separation systems of HPTLC and PPEC (pressurized planar electrochromatography) techniques. Our results show, that the change of pH of the mobile phase buffer can be used for two-dimensional HPTLC separation of peptides, but much stronger change of separation selectivity can be obtained by overall inversion of separation system type (NP/RP), as we have described before (Gwarda et al...
December 26, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/29316683/biological-and-proteolytic-variation-in-the-venom-of-crotalus-scutulatus-scutulatus-from-mexico
#11
Miguel Borja, Edgar Neri-Castro, Gamaliel Castañeda-Gaytán, Jason L Strickland, Christopher L Parkinson, Juan Castañeda-Gaytán, Roberto Ponce-López, Bruno Lomonte, Alejandro Olvera-Rodríguez, Alejandro Alagón, Rebeca Pérez-Morales
Rattlesnake venoms may be classified according to the presence/absence and relative abundance of the neurotoxic phospholipases A 2 s (PLA 2 s), such as Mojave toxin, and snake venom metalloproteinases (SVMPs). In Mexico, studies to determine venom variation in Mojave Rattlesnakes (Crotalus scutulatus scutulatus) are limited and little is known about the biological and proteolytic activities in this species. Tissue (34) and venom (29) samples were obtained from C. s. scutulatus from different locations within their distribution in Mexico...
January 8, 2018: Toxins
https://www.readbyqxmd.com/read/29315810/enantiomeric-resolution-and-modeling-of-dl-alanine-dl-tryptophan-dipeptide-on-amylose-stationary-phase
#12
Imran Ali, Raffat A Khattab, Zeid A Alothman, Ahmad Yacine Badjah, Abdulrahman Alwarthan
The enantiomeric resolution of DL-alanine-DL-tryptophan dipeptide is described on amylose stationary phase. The eluent used was CH3 OH─CH3 COONH4 (10mM)─CH3 CN (50: 40, 10) at 0.8-mL/min flow, 230-nm detection, 25-minute run time, and 25°C ± 1°C temperature. The chiral phase was amylose [AmyCoat RP (15 cm × 0.46 cm × 5 micron)]. The magnitudes of the retention factors (k) were 2.71, 3.52, 5.11, and 7.75. The magnitudes of separation factor (α) were 1.19, 1.57, and 1.51 while the resolution factors (Rs) were 3...
January 8, 2018: Chirality
https://www.readbyqxmd.com/read/29315379/anti-biofilm-activity-of-antibody-directed-against-surface-antigen-cr3-rp-comparison-of-candida-albicans-and-candida-dubliniensis
#13
Jaroslava Chupácová, Elisa Borghi, Giulia Morace, Agata Los, Helena Bujdáková
Candida albicans and Candida dubliniensis are related yeasts that differ in the expression of virulence-associated proteins involved in adherence and biofilm development. CR3-RP (complement receptor 3-related protein) is one of the surface antigens expressed by Candida species. The main objective of this research was to elucidate the effect of the polyclonal anti-CR3-RP antibody (Ab) on adherence and the biofilm formed by C. albicans SC5314 and C. dubliniensis CBS 7987 and 2 clinical isolates in vitro, ex vivo, and in vivo...
January 5, 2018: Pathogens and Disease
https://www.readbyqxmd.com/read/29314326/stable-light-emitting-diodes-using-phase-pure-ruddlesden-popper-layered-perovskites
#14
Hsinhan Tsai, Wanyi Nie, Jean-Christophe Blancon, Constantinos C Stoumpos, Chan Myae Myae Soe, Jinkyoung Yoo, Jared Crochet, Sergei Tretiak, Jacky Even, Aditya Sadhanala, Giovanni Azzellino, Roberto Brenes, Pulickel M Ajayan, Vladimir Bulović, Samuel D Stranks, Richard H Friend, Mercouri G Kanatzidis, Aditya D Mohite
State-of-the-art light-emitting diodes (LEDs) are made from high-purity alloys of III-V semiconductors, but high fabrication cost has limited their widespread use for large area solid-state lighting. Here, efficient and stable LEDs processed from solution with tunable color enabled by using phase-pure 2D Ruddlesden-Popper (RP) halide perovskites with a formula (CH3 (CH2 )3 NH3 )2 (CH3 NH3 )n-1 Pbn I3n+1 are reported. By using vertically oriented thin films that facilitate efficient charge injection and transport, efficient electroluminescence with a radiance of 35 W Sr-1 cm-2 at 744 nm with an ultralow turn-on voltage of 1 V is obtained...
January 3, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29314276/synthesis-of-crystalline-black-phosphorus-thin-film-on-sapphire
#15
Cheng Li, Ye Wu, Bingchen Deng, Yujun Xie, Qiushi Guo, Shaofan Yuan, Xiaolong Chen, Maruf Bhuiyan, Zishan Wu, Kenji Watanabe, Takashi Taniguchi, Hailiang Wang, Judy J Cha, Michael Snure, Yingwei Fei, Fengnian Xia
Black phosphorus (BP) has recently attracted significant attention due to its exceptional physical properties. Currently, high-quality few-layer and thin-film BP are produced primarily by mechanical exfoliation, limiting their potential in future applications. Here, the synthesis of highly crystalline thin-film BP on 5 mm sapphire substrates by conversion from red to black phosphorus at 700 °C and 1.5 GPa is demonstrated. The synthesized ≈50 nm thick BP thin films are polycrystalline with a crystal domain size ranging from 40 to 70 µm long, as indicated by Raman mapping and infrared extinction spectroscopy...
January 3, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29313691/metal-free-one-pot-synthesis-of-3-phosphinoylbenzofurans-via-phospha-michael-addition-cyclization-of-h-phosphine-oxides-and-in-situ-generated-ortho-quinone-methides
#16
Ji-Yuan Du, Yan-Hua Ma, Rui-Qing Yuan, Nana Xin, Shao-Zhen Nie, Chun-Lin Ma, Chen-Zhong Li, Chang-Qiu Zhao
A novel metal-free one-pot protocol for the effective and efficient synthesis of 3-phosphinoylbenzofurans via a phospha-Michael addition/cyclization of H-phosphine oxides and in situ generated ortho-quinone methides is described. Based on the expeditious construction of C(sp2)-P bonds, asymmetric synthesis of optically pure 3-phosphinoylbenzofurans containing chiral P-stereogenic center has also been probed by using chiral RP-(-)-menthyl phenylphosphine oxide.
January 9, 2018: Organic Letters
https://www.readbyqxmd.com/read/29313422/selection-purification-and-characterization-of-a-her2-targeting-soluble-designed-ankyrin-repeat-protein-by-e-coli-surface-display-using-her2-positive-melanoma-cells
#17
Xiaofei Chen, Xiaoxiao Yu, Xiaoda Song, Li Liu, Yuting Yi, Wenbing Yao, Xiangdong Gao
Human epidermal growth factor receptor 2 (HER2) is a powerful target for cancer immune therapy. The development of anti-HER2 monoclonal antibodies targeting different domains of HER2 is quite effective. However, the selection and production of multivalent antibodies are complicated. In this study, a mimivirus-based designed ankyrin repeat protein (DARPin) targeting HER2 was selected from an artificial library by bacteria surface display. The selection was performed on HER2-positive B16BL6/E2 melanoma cells and HER2-nagative cells...
January 9, 2018: Preparative Biochemistry & Biotechnology
https://www.readbyqxmd.com/read/29313079/comprehensive-characterization-of-neurochemicals-in-three-zebrafish-chemical-models-of-human-acute-organophosphorus-poisoning-using-liquid-chromatography-tandem-mass-spectrometry
#18
Cristian Gómez-Canela, Daniel Tornero-Cañadas, Eva Prats, Benjamí Piña, Romà Tauler, Demetrio Raldúa
There is a growing interest in biological models to investigate the effect of neurotransmitter dysregulation on the structure and function of the central nervous system (CNS) at different stages of development. Zebrafish, a vertebrate model increasingly used in neurobiology and neurotoxicology, shares the common neurotransmitter systems with mammals, including glutamate, GABA, glycine, dopamine, norepinephrine, epinephrine, serotonin, acetylcholine, and histamine. In this study, we have evaluated the performance of liquid chromatography-tandem mass spectrometry (LC-MS/MS) for the multiresidue determination of neurotransmitters and related metabolites...
January 9, 2018: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29310814/microarray-expression-profile-analysis-of-long-non-coding-rnas-in-thoracic-aortic-aneurysm
#19
Yang Li, Nan Yang
Thoracic aortic aneurysm (TAA) is a highly lethal vascular disease. Long non-coding RNAs (lncRNAs) are newly discovered as a regulator of protein genes and play critical roles in cardiovascular physio-pathological processes. However, there were a few studies looking at lncRNAs in TAA. In this study, we profiled differential expression of lncRNAs between TAA (TAA group, N = 6) and normal thoracic aorta (control group, n = 6) by third-generation lncRNA microarray. We identified 1352 up-regulated and 1624 down-regulated lncRNAs with differential expression (log fold-change > 2...
January 2018: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/29310675/failure-to-shorten-the-diagnostic-delay-in-two-ultra-orphan-diseases-mucopolysaccharidosis-types-i-and-iii-potential-causes-and-implications
#20
Gé-Ann Kuiper, Olga L M Meijer, Eveline J Langereis, Frits A Wijburg
BACKGROUND: Rare diseases are often un- or misdiagnosed for extended periods, resulting in a long diagnostic delay that may significantly add to the burden of the disease. An early diagnosis is particularly essential if a disease-modifying treatment is available. The purpose of this study was to assess the extent of the diagnostic delay in the two ultra-rare diseases, i.e., mucopolysaccharidosis I (MPS I) and III (MPS III), both of which are lysosomal storage disorders with different phenotypic severities (MPS 1 is characterized by the severe Hurler and the more attenuated non-Hurler phenotypes, MPS III is characterized by the severe rapidly progressing (RP) phenotype and more attenuated slowly progressing (SP) phenotype)...
January 8, 2018: Orphanet Journal of Rare Diseases
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