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https://www.readbyqxmd.com/read/29458016/renal-toxicological-evaluations-of-sulphonated-nanocellulose-from-khaya-sengalensis-seed-in-wistar-rats
#1
Adewale Adewuyi, Chiagoziem A Otuechere, Olusegun L Adebayo, Chibuzo Anazodo, Fabiano V Pereira
Nanocellulose is currently gaining attention due to its unique properties. This attention includes its application as building blocks for developing novel functional materials, plant drug and also in drug delivery systems. However, its safety remains largely untested or less understood. Thus, sulphonated nanocellulose (KSS) was prepared from cellulose (KSC) isolated from Khaya senegalensis seed (KS). KS, KSC and KSS were characterized using Fourier transformed infrared (FTIR), X-ray diffraction (XRD), thermogravimetric analysis (TG), particle size distribution (PSD), zeta potential and scanning electron microscopy (SEM)...
February 16, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29457915/how-good-are-we-at-selecting-students-that-meet-our-mission-outcomes-of-the-2011-and-2012-entering-classes-selected-by-a-locally-developed-multiple-mini-interview
#2
Carol A Terregino, H Liesel Copeland, Sonia Garcia Laumbach, Daniel Mehan, Dana Dunleavy, Thomas Geiger
BACKGROUND: Can a locally developed multiple mini interview (MMI) process lead to outcomes reflective of local values and mission? METHODS: In 2017, the authors performed a retrospective analysis of the relationship of MMI with multiple-choice-based outcomes and non-multiple-choice-based outcomes, including clerkship competencies, OSCE, scholarship/service/leadership, academic honor society induction, peer and faculty humanism nominations, and overall performance at graduation for two entering classes with acceptance decisions based exclusively on a locally developed MMI...
February 19, 2018: Medical Teacher
https://www.readbyqxmd.com/read/29457357/improving-outpatient-advance-care-planning-for-adults-with-congenital-or-pediatric-heart-disease-followed-in-a-pediatric-heart-failure-and-transplant-clinic
#3
Lindsay A Edwards, Christine Bui, Antonio G Cabrera, Jill Ann Jarrell
OBJECTIVE: To improve outpatient advanced care planning (ACP) for adults with congenital/pediatric heart disease followed in a pediatric heart failure (HF) and transplant clinic through quality improvement (QI) methodology. DESIGN: A one-year QI project was completed. We conducted quarterly chart reviews and incorporated feedback from the providers to direct subsequent interventions. PATIENTS AND SETTING: Patients ≥18 years of age seen in the HF and Transplant Clinic for follow-up visit were included in analysis...
February 18, 2018: Congenital Heart Disease
https://www.readbyqxmd.com/read/29457353/effect-of-bristle-stiffness-of-manual-toothbrushes-on-normal-and-demineralized-human-enamel-an-in-vitro-profilometric-study
#4
A H AlShehab, A A AlHazoom, M H Alowa, H A AlAli, A A Abdulmohsen, I Farooq
OBJECTIVE: To compare the brushing abrasion carried out by manual toothbrushes with different bristle types (hard and soft) on normal and demineralized human enamel. MATERIALS AND METHODS: Thirty enamel blocks (N = 30) were prepared and were randomly divided into three main groups: A, teeth kept in artificial saliva with no brushing (control, n = 2); B, teeth brushed with toothbrushes with hard bristles (n = 14); and C, teeth brushed with toothbrushes with soft bristles (n = 14)...
February 19, 2018: International Journal of Dental Hygiene
https://www.readbyqxmd.com/read/29457311/bicuspid-axial-wall-height-effect-on-cad-cam-crown-fracture-mode-on-preparations-containing-advanced-total-occlusal-convergence
#5
Matthew Miller, Nicholas DuVall, John Brewster, Michael N Wajdowicz, Ashley Harris, Howard W Roberts
PURPOSE: To evaluate bicuspid axial wall height effect on the fracture mode of adhesively luted, all-ceramic CAD/CAM crowns with a 20° total occlusal convergence (TOC). MATERIALS AND METHODS: Recently extracted premolars were randomly divided into 4 groups (n = 12) with all-ceramic crown preparations accomplished using a high-speed handpiece inserted into a milling device. Specimens were prepared containing occlusogingival axial wall heights of 3, 2, and 1 mm as well as a group containing a flat preparation surface with no axial wall height...
February 18, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29457249/gut-bacteria-of-cockroaches-are-a-potential-source-of-antibacterial-compound-s
#6
Noor Akbar, Ruqaiyyah Siddiqui, Mazhar Iqbal, K Sagathevan, Naveed Ahmed Khan
Here, we hypothesized that the microbial gut flora of animals/pests living in polluted environments, produce substances to thwart bacterial infections. The overall aim of this study was to source microbes inhabiting unusual environmental niches for potential antimicrobial activity. Two cockroach species, Gromphadorhina portentosa (Madagascar) and Blaptica dubia (Dubia) were selected. The gut bacteria from these species were isolated and grown in RPMI 1640 and conditioned media were prepared. Conditioned media were tested against a panel of Gram-positive (Methicillin resistant Staphylococcus aureus, Streptococcus pyogenes, Bacillus cereus) and Gram-negative (Escherichia coli K1, Salmonella enterica, Serratia marcescens, Pseudomonas aeruginosa, Klebsiella pneumoniae) bacteria, as well as the protist pathogen, Acanthamoeba castellanii...
February 19, 2018: Letters in Applied Microbiology
https://www.readbyqxmd.com/read/29457112/anesthetic-management-during-a-cesarean-section-in-a-patient-with-cleidocranial-dysplasia-a-case-report
#7
Yumiko Nishio, Teruyuki Hiraki, Hiroko Taniguchi, Kazuo Ushijima
Background: Cleidocranial dysplasia is a type of skeletal dysplasia, which is primarily characterized by delayed ossification of skeletal structures. It causes facial and oral abnormalities, resulting in difficult airway management and neuraxial anesthesia. Case presentation: The patient was a 24-year-old primipara (height 138 cm, weight 42 kg) with a hypoplastic right clavicle, patent fontanelles, dental malalignment, and a high palate. She was diagnosed with cleidocranial dysplasia at birth, although gene examination has not been performed...
2018: JA Clin Rep
https://www.readbyqxmd.com/read/29457005/effectiveness-of-platelet-rich-plasma-for-androgenetic-alopecia-a-review-of-the-literature
#8
REVIEW
Jessica Cervantes, Marina Perper, Lulu L Wong, Ariel E Eber, Alexandra C Villasante Fricke, Tongyu Cao Wikramanayake, Joaquin J Jimenez
Androgenetic alopecia (AGA) is a hair loss disorder affecting 80% of men and 50% of women throughout their lifetime. Therapies for AGA are limited and there is no cure. There is a high demand for hair restoration. Platelet-rich plasma (PRP), a treatment modality shown to promote wound healing, has also been explored as a treatment for AGA. This literature review was conducted to assess the effectiveness of PRP treatment for AGA. Twelve studies conducted from 2011 to 2017 were evaluated and summarized by study characteristics, mode of preparation, and treatment protocols...
January 2018: Skin Appendage Disorders
https://www.readbyqxmd.com/read/29456772/multidimensional-analysis-of-curved-root-canal-preparation-using-continuous-or-reciprocating-nickel-titanium-instruments
#9
Iussif Mamede-Neto, Álvaro Henrique Borges, Ana Helena Gonçalves Alencar, Marco Antonio Hungaro Duarte, Manoel Damião Sousa Neto, Carlos Estrela
Objective: To evaluate transportation (T) and centering ability (CA) of root canal preparations using continuous or reciprocating nickel-titanium endodontic files. Materials and Methods: Ninety-six mesiobuccal root canals of mandibular first and second molars were randomly divided into 6 groups (n=16) according to the rotary file used: 1. ProTaper Next; 2. ProTaper Gold; 3. Mtwo; 4. BioRaCe; 5. WaveOne Gold; 6. Reciproc. Root canals were prepared according to manufacturer's instructions...
2018: Open Dentistry Journal
https://www.readbyqxmd.com/read/29456449/international-comparison-of-five-herbal-medicine-registration-systems-to-inform-regulation-development-united-kingdom-germany-united-states-of-america-united-arab-emirates-and-kingdom-of-bahrain
#10
Azhar H Alostad, Douglas T Steinke, Ellen I Schafheutle
Background: Herbal medicine (HM) regulation is less developed than that of allopathic medicines, with some countries lacking specific regulations. Objective: For the purpose of informing a registration system for HMs in Kuwait, which does not manufacture but imports all HMs, this study compared the similarities and differences between the current HM registration systems of five countries. Methods: The five countries were selected as major source countries of HM in Kuwait (United Kingdom (UK), Germany and United States of America (USA)) or because of geographical proximity or size and approach (United Arab Emirates (UAE) and Kingdom of Bahrain)...
2018: Pharmaceutical Medicine
https://www.readbyqxmd.com/read/29456410/split-dose-bowel-preparation-improves-adequacy-of-bowel-preparation-and-gastroenterologists-adherence-to-national-colorectal-cancer-screening-and-surveillance-guidelines
#11
Stacy Bartnik Menees, H Myra Kim, Philip Schoenfeld
AIM: To quantify the impact of split-dose regimen on endoscopists' compliance with guideline recommendations for timing of repeat colonoscopy in patients with normal colonoscopy or 1-2 small polyps (< 10 mm). METHODS: A retrospective chart review of all endoscopy reports was undertaken in average-risk individuals > 50 years old with a normal screening colonoscopy and 1-2 small polyps. Data were abstracted from two time periods, pre and post-split-dose bowel preparation institution...
February 14, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29456299/atomic-force-microscopy-a-three-dimensional-reconstructive-tool-of-oral-microbiota-in-gingivitis-and-periodontitis
#12
Shyam Sunder Salavadhi, Srikanth Chintalapani, Radhika Ramachandran, Kirankumar Nagubandi, Arpita Ramisetti, Ramanarayana Boyapati
Aim: This study aims to ascertain the advantages of Atomic Force Microscopy (AFM) in the morphologic study of microorganisms and their interactions within the subgingival biofilm in patients with gingivitis and periodontitis. Settings and Design: Conducted a study on twenty patients, ten patients with severe periodontitis with probing the pocket depth of ≥8 mm, with a clinical attachment loss (CAL) of ≥6 mm CAL and ten patients with gingivitis: ≥5 mm pocket depth, and no attachment loss, was selected for the study...
July 2017: Journal of Indian Society of Periodontology
https://www.readbyqxmd.com/read/29456261/insights-into-activation-of-cobalt-pre-catalysts-for-c-sp-2-h-functionalization
#13
Jennifer V Obligacion, Hongyu Zhong, Paul J Chirik
The activation of readily prepared, air-stable cobalt (II) bis(carboxylate) pre-catalysts for the functionalization of C( sp 2 )-H bonds has been systematically studied. With the pyridine bis(phosphine) chelate,iPr PNP, treatment of 1-(O2 Ct Bu)2 with either B2 Pin2 or HBPin generated cobalt boryl products. With the former, reduction to (iPr PNP)CoI BPin was observed while with the latter, oxidation to the cobalt(III) dihydride boryl, trans -(iPr PNP)Co(H)2 BPin occurred. The catalytically inactive cobalt complex, Co[PinB(O2 Ct Bu)2 ]2, accompanied formation of the cobalt-boryl products in both cases...
November 2017: Israel Journal of Chemistry
https://www.readbyqxmd.com/read/29455757/federal-nutrition-program-revisions-impact-low-income-households-food-purchases
#14
Shu Wen Ng, Bridget A Hollingsworth, Emily A Busey, Julie L Wandell, Donna R Miles, Jennifer M Poti
INTRODUCTION: The Special Supplemental Nutrition Program for Women, Infants and Children (WIC) required major revisions to food packages in 2009; effects on nationwide low-income household purchases remain unexamined. METHODS: This study examines associations between WIC revisions and nutritional profiles of packaged food purchases from 2008 to 2014 among 4,537 low-income households with preschoolers in the U.S. (WIC participating versus nonparticipating) utilizing Nielsen Homescan Consumer Panel data...
March 2018: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/29455709/what-do-they-know-guidelines-and-knowledge-translation-for-foreign-health-sector-workers-following-natural-disasters
#15
Ola Dunin-Bell
Introduction The incidence of natural disasters is increasing worldwide, with countries the least well-equipped to mitigate or manage them suffering the greatest losses. Following natural disasters, ill-prepared foreign responders may become a burden to the affected population, or cause harm to those needing help. Problem The study was performed to determine if international guidelines for foreign workers in the health sector exist, and evidence of their implementation. METHODS: A structured literature search was used to identify guidelines for foreign health workers (FHWs) responding to natural disasters...
February 19, 2018: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/29455549/multiple-endocrine-neoplasia-2a-men-2a-syndrome
#16
J Breza, J Breza
INTRODUCTION: In the MEN 2A syndrome, which is the most common of the three types of MEN, three endocrine systems are affected simultaneously or subsequently by the development of tumours manifested by medullary thyroid gland carcinoma, pheochromocytoma (often bilateral) and hyperparathyroidism. MATERIAL AND METHODS: 27 patients from 3 families affected by MEN 2A syndrome were examined clinically (by detecting the effects of catecholamine overproduction), biochemically (screening for metanephrine and normetanephrine in the serum), visualization (CT, MRI, MIBG, PET CT) and some of them also genetically (DNA fragment analysis obtained by PCR amplification)...
2018: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/29455306/dentinal-tubule-sealing-effects-of-532-nm-diode-pumped-solid-state-laser-gallic-acid-fe-3-complex-and-three-commercial-dentin-desensitizers
#17
Soram Oh, Yu Gu, Hiran Perinpanayagam, Yeon-Jee Yoo, Yoon Lee, Ryun Kyung Kim, Seok Woo Chang, Jongho Lee, Qiang Zhu, Kee Yeon Kum
The purpose of this study was to compare dentinal tubule sealing effects of a 532-nm diode-pumped solid-state (DPSS) laser, gallic acid/Fe3+ complex, and three commercially available dentin desensitizers. Human premolars (n = 44) extracted for orthodontics had standardized cervical cavities prepared, etched (37% phosphoric acid) and randomly assigned to either a control (n = 4), or one of five treatment groups (n = 8/group). Desensitizing treatments were either a 532-nm DPSS laser, gallic acid/Fe3+ complex, oxalate-based Super Seal™ (SS), DIO™ Enamel Coating Pen Pro Tooth (Dio), or adhesive-type Hybrid Coat™ (HC)...
February 17, 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29455282/molecularly-imprinted-vs-reversed-phase-extraction-for-the-determination-of-zearalenone-a-method-development-and-critical-comparison-of-sample-clean-up-efficiency-achieved-in-an-on-line-coupled-spe-chromatography-system
#18
Ivona Lhotská, Barbora Gajdošová, Petr Solich, Dalibor Šatínský
Sample preparation prior to chromatographic separation plays an important role in the analytical process. To avoid time-consuming and manual handling sample-prep, automated on-line techniques such as on-line SPE-HPLC are therefore preferred. In this study, two different on-line extraction approaches for mycotoxin/endocrine disruptor zearalenone (ZEA) determination using either molecularly imprinted polymer (MIP) with selective cavities and binding sites for extraction or a reversed-phase sorbent C18 providing non-selective interactions have been developed, validated, and compared...
February 17, 2018: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29455162/evaluation-of-learning-from-practical-obstetric-multi-professional-training-and-its-impact-on-patient-outcomes-in-australia-using-kirkpatrick-s-framework-a-mixed-methods-study
#19
Arunaz Kumar, Sam Sturrock, Euan M Wallace, Debra Nestel, Donna Lucey, Sally Stoyles, Jenny Morgan, Peter Neil, Michelle Schlipalius, Philip Dekoninck
OBJECTIVES: The aim of this study was to evaluate the implementation of the Practical Obstetric Multi-Professional Training (PROMPT) simulation using the Kirkpatrick's framework. We explored participants' acquisition of knowledge and skills, its impact on clinical outcomes and organisational change to integrate the PROMPT programme as a credentialing tool. We also aimed to assess participants' perception of usefulness of PROMPT in their clinical practice. STUDY DESIGN: Mixed methods approach with a pre-test/post-test design...
February 17, 2018: BMJ Open
https://www.readbyqxmd.com/read/29455004/role-of-rho-kinase-rock-in-tonic-but-not-phasic-contraction-in-the-frog-stomach-smooth-muscle
#20
Leyla Sahın, Ozge Selin Cevık, Dilan Deniz Koyuncu, Kansu Buyukafsar
AIMS: Rho/Rho-kinase (ROCK) signaling has extensively been shown to take part in mammalian smooth muscle contractions in response to diverse agents yet its role in the contraction of amphibian smooth muscle has not been investigated. Therefore, we aimed to explore any role of this pathway in the contractions of frog stomach smooth. MAIN METHODS: The strips were prepared and suspended in organ baths filled with Ringer solution. Changes in the circular strips of the frog stomach muscle length were recorded isotonically with a force transducer in organ baths...
February 15, 2018: Life Sciences
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