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https://www.readbyqxmd.com/read/28335291/multispectral-emissions-of-lanthanide-doped-gadolinium-oxide-nanophosphors-for-cathodoluminescence-and-near-infrared-upconversion-downconversion-imaging
#1
Doan Thi Kim Dung, Shoichiro Fukushima, Taichi Furukawa, Hirohiko Niioka, Takumi Sannomiya, Kaori Kobayashi, Hiroshi Yukawa, Yoshinobu Baba, Mamoru Hashimoto, Jun Miyake
Comprehensive imaging of a biological individual can be achieved by utilizing the variation in spatial resolution, the scale of cathodoluminescence (CL), and near-infrared (NIR), as favored by imaging probe Gd₂O₃ co-doped lanthanide nanophosphors (NPPs). A series of Gd₂O₃:Ln(3+)/Yb(3+) (Ln(3+): Tm(3+), Ho(3+), Er(3+)) NPPs with multispectral emission are prepared by the sol-gel method. The NPPs show a wide range of emissions spanning from the visible to the NIR region under 980 nm excitation. The dependence of the upconverting (UC)/downconverting (DC) emission intensity on the dopant ratio is investigated...
September 6, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28334934/a-pseudaminic-acid-or-a-legionaminic-acid-derivative-transferase-is-strain-specifically-implicated-in-the-general-protein-o-glycosylation-system-of-the-periodontal-pathogen-tannerella-forsythia
#2
Markus B Tomek, Bettina Janesch, Daniel Maresch, Markus Windwarder, Friedrich Altmann, Paul Messner, Christina Schäffer
The occurrence of nonulosonic acids in bacteria is wide-spread and linked to pathogenicity. However, the knowledge of cognate nonulosonic acid transferases is scarce. In the periodontopathogen Tannerella forsythia, several proposed virulence factors carry strain-specifically either a pseudaminic or a legionaminic acid derivative as terminal sugar on an otherwise structurally identical, protein-bound oligosaccharide. This study aims to shed light on the transfer of either nonulosonic acid derivative on a proximal N-acetylmannosaminuronic acid residue within the O-glycan structure, exemplified with the bacterium's abundant S-layer glycoproteins...
March 16, 2017: Glycobiology
https://www.readbyqxmd.com/read/28334790/multidisciplinarity-in-health-promotion-a-bibliometric-analysis-of-current-research
#3
Thierry Gagné, Josée Lapalme, David V McQueen
Health promotion (HP) is a relatively recent field that stems from, notably, public health, sociology, political science, psychology and education. This multidisciplinarity has contributed to HP's challenged institutionalization. Scholars have so far predominately explored HP's multidisciplinarity using anecdotal approaches, limiting our understanding of the breadth and interplay of the disciplines constituting HP research. The overall aim of this paper is to contribute to a better understanding of HP's multidisciplinarity using a bibliometric approach...
February 20, 2017: Health Promotion International
https://www.readbyqxmd.com/read/28334429/liver-parenchyma-transection-first-approach-in-hemihepatectomy-with-en-bloc-caudate-lobectomy-for-hilar-cholangiocarcinoma-a-safe-technique-to-secure-favorable-surgical-outcomes
#4
Yasunari Kawabata, Hikota Hayashi, Seiji Yano, Yoshitsugu Tajima
BACKGROUND: Although hemihepatectomy with total caudate lobectomy (hemiHx-tc) is essential for the surgical treatment of hilar cholangiocarcinoma, the advantage of an anterior approach for hemiHx-tc has not been fully discussed technically; the significance of an anterior approach without liver mobilization for preventing infectious complications also remains unknown. METHODS: The liver parenchyma transection-first approach (Hp-first) technique is an early transection of the hepatic parenchyma without mobilization of the liver that utilizes a modified liver-hanging maneuver to avoid damaging the future remnant liver...
March 23, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28333944/mechanisms-of-glycosylase-induced-genomic-instability
#5
Daniel E Eyler, Kylie A Burnham, Thomas E Wilson, Patrick J O'Brien
Human alkyladenine DNA glycosylase (AAG) initiates base excision repair (BER) to guard against mutations by excising alkylated and deaminated purines. Counterintuitively, increased expression of AAG has been implicated in increased rates of spontaneous mutation in microsatellite repeats. This microsatellite mutator phenotype is consistent with a model in which AAG excises bulged (unpaired) bases, altering repeat length. To directly test the role of base excision in AAG-induced mutagenesis, we conducted mutation accumulation experiments in yeast overexpressing different variants of AAG and detected mutations via high-depth genome resequencing...
2017: PloS One
https://www.readbyqxmd.com/read/28333490/harsh-parenting-child-behavior-problems-and-the-dynamic-coupling-of-parents-and-children-s-positive-behaviors
#6
Erika Lunkenheimer, Nilam Ram, Elizabeth A Skowron, Peifeng Yin
We examined self-reported maternal and paternal harsh parenting (HP) and its effect on the moment-to-moment dynamic coupling of maternal autonomy support and children's positive, autonomous behavior. This positive behavior coupling was measured via hidden Markov models as the likelihood of transitions into specific positive dyadic states in real time. We also examined whether positive behavior coupling, in turn, predicted later HP and child behavior problems. Children (N = 96; age = 3.5 years at Time 1) and mothers completed structured clean-up and puzzle tasks in the laboratory...
March 23, 2017: Journal of Family Psychology: JFP
https://www.readbyqxmd.com/read/28331251/is-focus-on-prevention-missing-in-national-health-programs-a-situation-analysis-of-iec-bcc-health-promotion-activities-in-a-district-setting-of-punjab-and-haryana
#7
Jarnail Singh Thakur, Nidhi Jaswal, Ashoo Grover
CONTEXT: Health promotion (HP) has been an integral part of all national programs although it has been a low priority in India, which has resulted in a failure to achieve the desired results. SETTINGS AND DESIGN: Situation analysis of information education communication (IEC)/behavior change communication (BCC)/HP activities within the existing national health programs was undertaken in the district of Hoshiarpur in Punjab and the district of Ambala in Haryana during 2013-14...
January 2017: Indian Journal of Community Medicine
https://www.readbyqxmd.com/read/28330219/effect-of-chlorpyrifos-on-soil-microbial-diversity-and-its-biotransformation-by-streptomyces-sp-hp-11
#8
M Supreeth, M A Chandrashekar, N Sachin, N S Raju
The application of pesticides in agricultural fields not only reaches the target pests but also with soil where it interacts with soil microorganisms resulting in change of microbial diversity. Chlorpyrifos (CP) is one such organophosphorous insecticide most widely used against various insects, termites, and beetles throughout the globe. In the present work, the effect of CP on soil microbial population was assessed by the cultivable method. The fertile soil which does not have a history of any pesticide application was treated with 100 and 200 µg/g of CP along with control which received only sterile water and incubated for 1, 7, and 14 days...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28328957/differential-effects-of-deae-negative-mode-chromatography-and-gel-filtration-chromatography-on-the-charge-status-of-helicobacter-pylori-neutrophil-activating-protein
#9
Zhi-Wei Hong, Yu-Chi Yang, Timothy Pan, Huey-Fen Tzeng, Hua-Wen Fu
Helicobacter pylori neutrophil-activating protein (HP-NAP) is involved in H. pylori-associated gastric inflammation. HP-NAP is also a vaccine candidate, a possible drug target, and a potential diagnostic marker for H. pylori-associated diseases. Previously, we purified recombinant HP-NAP by one-step diethylaminoethyl (DEAE) negative mode chromatography by collecting the unbound fraction at pH 8.0 at 4°C. It remains unclear why HP-NAP does not bind to DEAE resins at the pH above its isoelectric point during the purification...
2017: PloS One
https://www.readbyqxmd.com/read/28328174/a-strategy-to-design-hyperpolarized-%C3%A2-%C3%A2-c-magnetic-resonance-probes-using-1-%C3%A2-%C3%A2-c-%C3%AE-amino-acid-as-a-scaffold-structure
#10
Tatsuya Nishihara, Yutaka Kameyama, Hiroshi Nonaka, Yoichi Takakusagi, Fuminori Hyodo, Kazuhiro Ichikawa, Shinsuke Sando
Hyperpolarization is an emerging method that dramatically enhances NMR signal intensity. As a result of the increased sensitivity, hyperpolarized (HP) NMR molecular probes can be used to perform time-resolved spectroscopy and imaging in vitro and in vivo. It is however challenging to design such probes de novo. We herein report the [1-¹³C]α-amino acid as a scaffold structure to design HP ¹³C NMR molecular probe. The [1-¹³C]α-amino acid can be converted to various HP ¹³C chemical probes that show sufficient chemical shift change by altering the chemical state of α-nitrogen upon the interaction with the target...
March 22, 2017: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/28327794/seasonality-of-sand-flies-diptera-psychodidae-and-leishmania-dna-detection-in-vector-species-in-an-area-with-endemic-visceral-leishmaniasis
#11
Lara Saraiva, Camila Gonçalves Leite, Ana Cristina Vianna Mariano da Rocha Lima, Luiz Otávio Alves de Carvalho, Agnes Antônia Sampaio Pereira, Jerônimo Marteleto Nunes Rugani, Felipe Dutra Rego, Célia Maria Ferreira Gontijo, José Dilermando Andrade
BACKGROUND: Leishmaniases are a serious health problem in southeast Brazil, including the city of Belo Horizonte (BH), Minas Gerais state (MG), where there are high rates of incidence and mortality due to visceral leishmaniases. BH is divided into nine sanitary districts (SD) of which one, the Venda Nova SD, was selected for this study because it has high rates of positivity for canine leishmaniasis and high incidence of human leishmaniasis. OBJECTIVES: This study aimed to survey the sand fly fauna in Venda Nova SD from August 2011 to July 2013 and perform a descriptive analysis of the vector population...
April 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28324869/applications-of-high-pressure-to-pre-rigor-rabbit-muscles-affect-the-functional-properties-associated-with-heat-induced-gelation
#12
Siwen Xue, Huijuan Yang, Rui Liu, Chang Qian, Mengyao Wang, Yufeng Zou, Xinglian Xu, Guanghong Zhou
High pressure (HP) was applied to pre-rigor rabbit muscles (PRRMs) for the manufacture of value-added gel-type products. A 2×3 factorial design was adopted for HP-treatment (100, 200 and 300MPa for 15 or 180s) to PRRMs. The HP-treated meat was used for gel preparation and determination of water mobility properties and textural profiles. Salt-soluble meat proteins (SSMP) were then extracted from meat for estimating the tertiary conformational changes (hydrophobic and sulfhydryl groups). The water-holding capacity of treated samples increased significantly (P<0...
March 10, 2017: Meat Science
https://www.readbyqxmd.com/read/28324066/hippocampal-aromatization-modulates-spatial-memory-and-characteristics-of-the-synaptic-membrane-in-the-male-zebra-finch
#13
David J Bailey, Yekaterina V Makeyeva, Elizabeth R Paitel, Alyssa L Pedersen, Angel T Hon, Jordan A Gunderson, Colin J Saldanha
The estrogen-synthesizing enzyme aromatase is abundant at the synapse in the zebra finch hippocampus (HP) and its inhibition impairs spatial memory function. To more fully test the role of local estradiol (E2) synthesis in memory, the HP of adult male zebra finches was exposed to either control pellets or those containing the aromatase inhibitor ATD, ATD and E2, ATD and the G protein-coupled estrogen receptor (GPER) agonist G1, or the antagonist G15 alone. Birds were tested for spatial memory acquisition and performance, and HP levels of the postsynaptic protein PSD95 were measured...
January 27, 2017: Endocrinology
https://www.readbyqxmd.com/read/28322505/evaluation-of-the-efficacy-and-color-stability-of-two-different-at-home-bleaching-systems-on-teeth-of-different-shades-a-randomized-controlled-clinical-trial
#14
Betül Aka, Esra Uzer Celik
OBJECTIVE: This randomized controlled clinical trial compared the bleaching efficacy of two different at-home bleaching systems on teeth of different shades and their color stability after a 6-month follow-up. MATERIALS AND METHODS: Ninety-two patients (777 teeth) were randomly divided into three groups: (a) negative control, (b) patients treated with a custom-made tray containing 10% carbamide peroxide (10% CP/PF) (Opalescence PF), and (c) patients treated with a pre-loaded tray containing 6% hydrogen peroxide (6% HP/Go) (Opalescence Go)...
March 21, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28322361/effect-of-fluoride-treatments-on-bleached-enamel-microhardness-and-surface-morphology
#15
Dimitrios Dionysopoulos, Eugenia Koliniotou-Koumpia, Kosmas Tolidis, Paris Gerasimou
PURPOSE: To evaluate the effect of three different fluoride treatments on the surface microhardness and morphology of human enamel exposed to two different bleaching agents. MATERIALS AND METHODS: Twenty-three extracted human third molars were sectioned to obtain 90 enamel fragments, mounted on acrylic resin supports, polished and randomly divided into 9 groups (n = 10). The specimens were exposed to a combination of two bleaching agents (22% carbamide peroxide [CP] and 38% hydrogent peroxide [HP]) and three fluoride treatments (0...
March 20, 2017: Oral Health & Preventive Dentistry
https://www.readbyqxmd.com/read/28322295/alterations-in-gastric-microbiota-after-h-pylori-eradication-and-in-different-histological-stages-of-gastric-carcinogenesis
#16
Tung Hiu Li, Youwen Qin, Pak Chung Sham, K S Lau, Kent-Man Chu, Wai K Leung
The role of bacteria other than Helicobacter pylori (HP) in the stomach remains elusive. We characterized the gastric microbiota in individuals with different histological stages of gastric carcinogenesis and after receiving HP eradication therapy. Endoscopic gastric biopsies were obtained from subjects with HP gastritis, gastric intestinal metaplasia (IM), gastric cancer (GC) and HP negative controls. Gastric microbiota was characterized by Illumina MiSeq platform targeting the 16 S rDNA. Apart from dominant H...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28321977/the-relationship-between-hp-infection-and-vomiting-induced-by-gastrointestinal-cancer-chemotherapy
#17
Yiwei Yao, Chushu Ji, Yifu He, Yueyin Pan
BACKGROUND: Nausea and vomiting are the most common adverse reactions to chemotherapy. AIM: To discuss the relationship between Helicobacter pylori (HP) and chemotherapy-induced nausea and vomiting (CINV). METHODS: One hundred twelve patients with malignant tumours of the gastrointestinal tract were selected. Based on the 14C-urea breath test results, the patients were divided into HP-positive (n = 59) and HP-negative (n = 53) groups...
March 21, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28320638/prognostic-value-of-geriatric-8-and-identification-of-seniors-at-risk-for-hospitalized-patients-screening-tools-for-patients-with-lung-cancer
#18
Karlijn J G Schulkes, Esteban T D Souwer, Leontine J R van Elden, Henk Codrington, Simone van der Sar-van der Brugge, Jan-Willem J Lammers, Johanneke E A Portielje, Frederiek van den Bos, Marije E Hamaker
BACKGROUND: Because of the time-consuming aspect of geriatric assessments, cancer specialists are seeking shorter screening tools to distinguish fit and frail patients. We analyzed the predictive value of the Geriatric 8 (G8) and Identification of Seniors at Risk for Hospitalized Patients (ISAR-HP) in elderly patients with lung cancer. PATIENTS AND METHODS: From January 2014 to April 2016, the data from patients with lung cancer aged > 70 years at 2 teaching hospitals in the Netherlands were included in a database...
March 2, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28320545/haloperidol-undermining-gastroparesis-symptoms-hugs-in-the-emergency-department
#19
Rene Ramirez, Philip Stalcup, Brandon Croft, Michael A Darracq
BACKGROUND: Gastroparesis associated nausea, vomiting & abdominal pain (GP N/V/AP) are common presentations to the emergency department (ED). Treatment is often limited to antiemetic, prokinetic, opioid, & nonopioid agents. Haloperidol (HP) has been shown to have analgesic & antiemetic properties. We sought to evaluate HP in the ED as an alternative treatment of GP N/V/AP. METHODS: Using an electronic medical record, 52 patients who presented to the ED w/GP N/V/AP secondary to diabetes mellitus and were treated w/HP were identified...
March 12, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28320539/cytotoxicity-biocompatibility-and-biomineralization-of-the-new-high-plasticity-mta-material
#20
Luciano Tavares Angelo Cintra, Francine Benetti, Índia Olinta de Azevedo Queiroz, Juliana Maria de Araújo Lopes, Sandra Helena Penha de Oliveira, Gustavo Sivieri Araújo, João Eduardo Gomes-Filho
INTRODUCTION: Mineral trioxide aggregate (MTA) has excellent biological properties, but its handling properties have been criticized for both ProRoot MTA (Tulsa Dental Products, Tulsa, OK) and white MTA-Angelus (MTA-Ang; Angelus Indústria de Produtos Odontológicos S/A, Londrina, PR, Brazil). Angelus MTA HP (high plasticity) (Angelus Indústria de Produtos Odontológicos S/A) has been introduced recently. Considering the importance of biological properties of materials that will be in contact with the tissues, this study evaluated the cytotoxicity, biocompatibility, and biomineralization of MTA HP compared with white MTA-Ang...
March 17, 2017: Journal of Endodontics
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