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Cheng-Te Chen, Yu-Lan Chen, Yu-Ching Lin, Ching-Lin Hsieh, Jeng-Yi Tzeng, Kuan-Lin Chen
OBJECTIVE: The purpose of this study was to construct a computerized adaptive test (CAT) for measuring self-care performance (the CAT-SC) in children with developmental disabilities (DD) aged from 6 months to 12 years in a content-inclusive, precise, and efficient fashion. METHODS: The study was divided into 3 phases: (1) item bank development, (2) item testing, and (3) a simulation study to determine the stopping rules for the administration of the CAT-SC. A total of 215 caregivers of children with DD were interviewed with the 73-item CAT-SC item bank...
2018: PloS One
Simon D Kloß, Wolfgang Schnick
The structural diversity of tetrahedra networks of phosphates can greatly be enhanced by introduction of mixed N/O anion positions. LiPr2 P4 N7 O3 exemplifies the benefits of N/O mixed anion positions as it is the first rare-earth (oxo)nitridophosphate with a single-layered structure and a degree of condensation (atomic ratio of tetrahedra centers (P) to tetrahedra corners (N/O atoms)) of 2/5. The compound was prepared through high-pressure metathesis starting from PrF3 , LiPN2 , Li2 O, and PON using a hydraulic 1000t press and the multianvil technique...
March 21, 2018: Inorganic Chemistry
Asif Hasan, Colin Maciver, Gaoussou Toure, Jean-Paul Meningaud
The aesthetic outcome of a well-planned and executed vascularized composite tissue face allotransplant is unquestionable; however, complete functional restoration is necessary. The authors studied the possibility of restoring tear duct function in face transplant recipients. They also examined the technical specifics and feasibility of incorporating a lacrimal drainage apparatus into facial allografting. The authors performed a standardized face vascularized composite allograft on 4 hemi-faces (2 fresh cadavers)...
March 20, 2018: Journal of Craniofacial Surgery
Darius M Moshfeghi
PURPOSE OF REVIEW: This review highlights the common areas of medicolegal risk during retinopathy of prematurity (ROP) screening. RECENT FINDINGS: Most malpractice risk in ROP comes from systemic errors that ultimately result in failure to screen the patient in a timely fashion, resulting in failures to intervene and/or refer in a timely fashion. Currently, the emphasis is engaging the family members, the hospital staff, and clinic staff to pro-actively manage ROP patients and ensure that they are screened in a timely fashion...
March 20, 2018: Current Opinion in Ophthalmology
Ashwani Kumar Singh, Ajit Kumar, Krishna Kamal Haldar, Vinay Gupta, Kedar Singh
This work reports a detail study of reduced graphene oxide (rGO)-Fe3O4 nanoparticles composite as an excellent electromagnetic interference shielding (EMI) material in GHz range. rGO-Fe3O4 nanoparticles composite was synthesized using facile, one step, and modified solvothermal method with the reaction of FeCl3, ethylene di amine and graphite oxide powder in presence of ethylene glycol. Various structural, microstructural and optical characterization tools were used to determine its synthesis and various properties...
March 21, 2018: Nanotechnology
Bayan Alemrayat, Abdelbary Elhissi, Husam M Younes
Letrozole (LTZ), an aromatase inhibitor used for the treatment of hormonally-positive breast cancer in postmenopausal women, has poor water solubility, rapid metabolism and a range of side effects. In this study, polymer-based nanoparticles (NPs) incorporating the drug have been designed and characterized, aimed to control the release, potentially maximize the therapeutic efficiency and minimize the side effects of the drug. LTZ was incorporated into Poly (D, L-Lactide) (PDLLA) NPs by employing the emulsion-solvent evaporation technique using a range of drug concentrations...
March 21, 2018: Pharmaceutical Development and Technology
Karen E Elkind-Hirsch, Martha S Paterson, Donna Shaler, Hanh C Gutowski
OBJECTIVE: Our pilot study examined the effectiveness of sitagliptin-metformin (SITA-MET), metformin (MET), and placebo (P) therapy on fasting and post-glucose challenge glucose levels in postpartum women with prior gestational diabetes mellitus (GDM) and impaired glucose regulation. METHODS: Prediabetic women (N = 36, age 18 to 42 years) with recent GDM were randomized to P (one pill twice a day), MET (1,000 mg twice a day), or SITA-MET (50 mg SITA, 1,000 mg MET twice a day) for 16 weeks in a single-blind fashion...
March 21, 2018: Endocrine Practice
Bin Sato, Mitsuro Kanda, Chie Tanaka, Daisuke Kobayashi, Naoki Iwata, Norifumi Hattori, Masaya Suenaga, Masamichi Hayashi, Suguru Yamada, Kenta Murotani, Michitaka Fujiwara, Yasuhiro Kodera
BACKGROUND: Surgical resection is the mainstay of treatment for patients with gastric cancer (GC). Development of a simple, high-performance, integrated scoring system is needed to provide appropriate management. This study aimed to evaluate predictive values of the systemic inflammation score (SIS) for short- and long-term outcomes of patients who underwent surgery for GC. METHODS: A total of 187 patients who underwent gastrectomy for pT2-4 GC without preoperative treatment were analyzed...
March 20, 2018: World Journal of Surgery
Minjung Park, Jungmin Yoo
The objective of this study was to explore impacts and benefits of mass customized products on emotional product attachment, favorable attitudes toward a mass customization program, and the ongoing effect on loyalty intentions. This study further investigated how benefits, attachment, attitudes, and loyalty intentions differed as a function of involvement and fashion innovativeness. 290 female online shoppers in South Korea participated in an online survey. Results of this study revealed that perceived benefits positively influenced emotional product attachment and attitudes toward a mass customization program...
February 2018: Heliyon
Austin J Roebke, Adam S Martin, Zubair Sarmast, Erica Fisk, Kanu S Goyal
PURPOSE: To determine the accuracy of a distal-first open reduction internal plate fixation technique in achieving correction of volar tilt in dorsally angulated distal radius fractures. METHODS: Twenty foam radius models were divided evenly into groups N (normal) and O (osteoporotic). Dorsally angulated extra-articular distal radius fractures were then created. Group O underwent further modification to simulate an osteoporotic model. After static pinning in various degrees of dorsal angulation, opaque fiducial markers were placed and fluoroscopy was used to measure prereduction volar tilt...
March 17, 2018: Journal of Hand Surgery
John L Falcone, L Atalee Cummings
No abstract text is available yet for this article.
March 1, 2018: American Surgeon
He Liu, Yue Gu, Tao Dong, Liuqing Yan, Xiaoyi Yan, Tingting Zhang, Nannan Lu, Zhiqian Xu, Haixin Xu, Zhiquan Zhang, Ting Bian
The combination of nanoparticles and biomarkers yields functional nanostructured biointerface, which is playing a notable role in biotechnology development. Due to the 5-fold twined structure in the Au-Pt star-shaped decahedra not only allowed it to act as efficient scaffold for immobilization of antibody, but it also exhibits superior electrocatalytic activity toward H2 O2 reduction, the nanocrystal as the efficient signal transduction label is first employed to construct an electrochemical immunosensor. Donor-π-Acceptor (D-π-A) linking fashion generates a dipolar push-pull system and assures superior intramolecular charge transfer...
March 13, 2018: Biosensors & Bioelectronics
Céline Hernandez, Peter Huebener, Jean-Philippe Pradere, Daniel J Antoine, Richard A Friedman, Robert F Schwabe
Cell death is a key driver of disease progression and carcinogenesis in chronic liver disease (CLD), highlighted by the well-established clinical correlation between hepatocellular death and risk for the development of cirrhosis and hepatocellular carcinoma (HCC). Moreover, hepatocellular death is sufficient to trigger fibrosis and HCC in mice. However, the pathways through which cell death drives CLD progression remain elusive. Here, we tested the hypothesis that high-mobility group box 1 (HMGB1), a damage-associated molecular pattern (DAMP) with key roles in acute liver injury, may link cell death to injury responses and hepatocarcinogenesis in CLD...
March 20, 2018: Journal of Clinical Investigation
Cynthia Al Hageh, Majd Al Assaad, Zeinab El Masri, Nawar Samaan, Mirvat El-Sibai, Christian Khalil, Rony S Khnayzer
Copper is an earth-abundant and a biologically essential metal that offers a promising alternative to noble metals in photochemistry and photobiology. In this work, a series of sterically encumbered Cu(i) bis-phenanthroline complexes were investigated for their use in photochemotherapy (PCT). It was found that Cu(dsbtmp)2+ [dsbtmp = 2,9-disec-butyl-3,4,7,8-tetramethyl-1,10-phenanthroline] (compound 3), which possessed the longest excited state lifetime, exhibited significant in vitro photocytotoxicity on A375 (human malignant melanoma) and A549 (human lung carcinoma) cell lines...
March 20, 2018: Dalton Transactions: An International Journal of Inorganic Chemistry
Sonja Cabarkapa, Marlon Perera, Ken Sikaris, Jonathan S O'Brien, Damien M Bolton, Nathan Lawrentschuk
Background: This study aims to review current laboratory reporting strategies across Australia and New Zealand with a view to propose a more useful template for reporting serum testosterone in the context of prostate cancer. Materials and methods: Registered pathology laboratories in Australia and New Zealand were enrolled into the current study. An electronic or a phone survey was utilized to collect data from each participating laboratory. Obtained information included assay utilized, units reported, reference intervals, lowest reported value, and lowest detectable value...
March 2018: Prostate International
Ján Antolík, Andrew P Davison
Two trends have been unfolding in computational neuroscience during the last decade. First, a shift of focus to increasingly complex and heterogeneous neural network models, with a concomitant increase in the level of collaboration within the field (whether direct or in the form of building on top of existing tools and results). Second, a general trend in science toward more open communication, both internally, with other potential scientific collaborators, and externally, with the wider public. This multi-faceted development toward more integrative approaches and more intense communication within and outside of the field poses major new challenges for modelers, as currently there is a severe lack of tools to help with automatic communication and sharing of all aspects of a simulation workflow to the rest of the community...
2018: Frontiers in Neuroinformatics
Marcello Panagia, Howard H Chen, Dominique Croteau, Yin-Ching Iris Chen, Chongzhao Ran, Ivan Luptak, Lee Josephson, Wilson S Colucci, David E Sosnovik
BACKGROUND: Substrate utilization in tissues with high energetic requirements could play an important role in cardiometabolic disease. Current techniques to assess energetics are limited by high cost, low throughput, and the inability to resolve multiple readouts simultaneously. Consequently, we aimed to develop a multiplexed optical imaging platform to simultaneously assess energetics in multiple organs in a high throughput fashion. METHODS AND RESULTS: The detection of 18F-Fluordeoxyglucose uptake via Cerenkov luminescence and free fatty acid uptake with a fluorescent C16 free fatty acid was tested...
March 2018: Circulation. Cardiovascular Imaging
Ken-Ichi Kaneko, Masaaki Tanaka, Akira Ishii, Yumiko Katayama, Takayoshi Nakaoka, Satsuki Irie, Hideki Kawahata, Takashi Yamanaga, Yasuhiro Wada, Takeshi Miyake, Kota Toshimoto, Kazuya Maeda, Yilong Cui, Masaru Enomoto, Etsushi Kawamura, Norifumi Kawada, Joji Kawabe, Susumu Shiomi, Hiroyuki Kusuhara, Yuichi Sugiyama, Yasuyoshi Watanabe
Various positron emission tomography (PET) probes have been developed to assess the in vivo activities of drug transporters in humans, that aid in the prediction of pharmacokinetic properties of drugs and the impact of drug-drug interactions. We developed a new PET probe, [11C ]dehydropravastatin ([11 C]DPV), and demonstrated its usefulness for the quantitative investigation of Oatps/SLCO and Mrp2/ABCC2 in rats. To further analyze the species differences and verify the pharmacokinetic parameters in humans, serial PET scanning of the abdominal region with [11 C]DPV was performed in six healthy volunteers with and without an OATP1Bs and MRP2 inhibitor, rifampicin (600 mg, oral), in a crossover fashion...
March 19, 2018: Drug Metabolism and Disposition: the Biological Fate of Chemicals
Xiaofei Zhang, Huaibin Mabel Ko, Joana Torres, Hinaben J Panchal, Zhenjian Cai, Mathilde Wagner, Bruce E Sands, Jean-Frederic Colombel, Judy Cho, Bachir Taouli, Noam Harpaz
Intestinal stricture, a major complication of Crohn's disease (CD), results from fibromuscular remodeling and expansion of the intestinal wall. The corresponding microanatomical alterations have not been fully described, hindering progress toward understanding their pathogenesis and devising appropriate treatments. We used tissue-specific staining and quantitative digital histomorphometry for this purpose. Serial histological sections from 37 surgically-resected ileal strictures and adjacent non-strictured controls from patients with CD were evaluated after staining for smooth muscle actin, collagen (Sirius red) and collagen types I, III and V...
March 16, 2018: Human Pathology
Ann M Decker, Bruce E Blough
INTRODUCTION: The development and validation of serotonin transporter reuptake inhibition assays in 96-well format using commercially available human placental choriocarcinoma JAR cells is described. METHODS: AR cells were first shown to uptake [3 H]serotonin in a saturable fashion with a KM value of 1 μM as determined by a Michaelis-Menten kinetic analysis. The cells were then utilized to determine the reuptake inhibition potencies of known ligands and the results were compared with results previously generated in the two most commonly used transporter assays (rat brain synaptosomes and transfected HEK293 cells)...
March 16, 2018: Journal of Pharmacological and Toxicological Methods
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