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https://www.readbyqxmd.com/read/28921845/detection-and-delineation-of-squamous-neoplasia-with-hyperspectral-imaging-in-a-mouse-model-of-tongue-carcinogenesis
#1
Guolan Lu, Dongsheng Wang, Xulei Qin, Susan Muller, Xu Wang, Amy Y Chen, Zhuo Georgia Chen, Baowei Fei
yperspectral imaging (HSI) holds the potential for the noninvasive detection of cancers. Oral cancers are often diagnosed at a late stage when treatment is less effective and the mortality and morbidity rates are high. Early detection of oral cancer is, therefore, crucial in order to improve the clinical outcomes. To investigate the potential of HSI as a non-invasive diagnostic tool, an animal study was designed to acquire hyperspectral images of in vivo and ex vivo mouse tongues from a chemically induced tongue carcinogenesis model...
September 17, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/28921481/negative-magnetic-resonance-imaging-in-three-cases-of-anterior-tibial-cortex-stress-fractures
#2
Ralph Smith, M Moghal, J L Newton, N Jones, J Teh
Anterior mid-tibial cortex stress fractures (ATCSF) are uncommon and notoriously challenging to treat. They are termed high risk due to their predilection to prolonged recovery, nonunion and complete fracture. Early diagnosis is essential to avoid progression and reduce fracture complications. Imaging plays a key role in confirming the diagnosis. Magnetic resonance imaging (MRI) is accepted as the gold standard modality due to its high accuracy and nonionizing properties. This report describes three cases of ATCSFs in recreational athletes who had positive radiographic findings with no significant MRI changes...
September 18, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28920430/click-functionalized-sers-nanoprobes-with-improved-labeling-efficiency-and-capability-for-cancer-cell-imaging
#3
Renyong Liu, Jun Zhao, Guangmei Han, Tingting Zhao, Ruilong Zhang, Bianhua Liu, Zhengjie Liu, Cheng Zhang, Linlin Yang, Zhongping Zhang
Precise identification and detection of cancer cells using nanoparticle probes are critically important for early cancer diagnosis and the subsequent therapy. We herein develop a novel folate receptor (FR)-targeted surface-enhanced Raman scattering (SERS) nanoprobes for cancer cell imaging based on click coupling strategy. A Raman-active derivative (DNBA-N3) is designed with a disulfide bond for covalently anchoring to the surface of hollow gold nanoparticles (HAuNPs) and a terminal azide group for facilitating highly efficient conjugation with bioligand...
September 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28920095/computational-study-of-quasi-2d-liquid-state-in-free-standing-platinum-silver-gold-and-copper-monolayers
#4
Li-Ming Yang, Ariel B Ganz, Matthew Dornfeld, Eric Ganz
Recently, freestanding atomically thick Fe metal patches up to 10 atoms wide have been fabricated experimentally in tiny pores in graphene. This concept can be extended conceptually to extended freestanding monolayers. We have therefore performed ab initio molecular dynamics simulations to evaluate the early melting stages of platinum, silver, gold, and copper freestanding metal monolayers. Our calculations show that all four freestanding monolayers will form quasi-2D liquid layers with significant out-of-plane motion and diffusion in the plane...
December 2016: Condens Matter
https://www.readbyqxmd.com/read/28920056/management-of-refractory-ischemic-priapism-current-perspectives
#5
REVIEW
Marco Capece, Arianna Gillo, Andrea Cocci, Giulio Garaffa, Massimiliano Timpano, Marco Falcone
OBJECTIVES: The aim of the present manuscript is to review the current literature on priapism, focusing on the state-of-the-art knowledge of both the diagnosis and the treatment of the refractory ischemic priapism (IP). METHODS: Pubmed and EMBASE search engines were used to search for words "priapism", "refractory priapism", "penile prosthesis", "diagnosis priapism", "priapism treatment", "penile fibrosis", "priapism therapy". All the studies were carefully examined by the authors and then included in the review...
2017: Research and Reports in Urology
https://www.readbyqxmd.com/read/28918904/comparison-of-laser-doppler-imaging-ldi-and-clinical-assessment-in-differentiating-between-superficial-and-deep-partial-thickness-burn-wounds
#6
Saadia Nosheen Jan, Farid Ahmed Khan, Muhammad Mustehsan Bashir, Muneeb Nasir, Hamid Hussain Ansari, Hussan Birkhez Shami, Umer Nazir, Asif Hanif, Muhammad Sohail
PURPOSE OF PRESENTATION/STUDY: To compare the accuracy of Laser Doppler Imaging (LDI) and clinical assessment in differentiating between superficial and deep partial thickness burns to decide whether early tangential excision and grafting or conservative management should be employed to optimize burn and patient management. STUDY PERIOD: March 2015 to November 2016. METHODS/PROCEDURE DETAILS: Ninety two wounds in 34 patients reporting within 5days of less than 40% burn surface area were included...
September 14, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28918445/pre-emptive-intestinal-transplant-the-surgeon-s-point-of-view
#7
REVIEW
Augusto Lauro, Ignazio R Marino, Kishore R Iyer
Pre-emptive transplantation is a well-established practice for certain types of end-organ failure such as in the use of kidney transplantation. For irreversible intestinal failure, total parenteral nutrition (TPN) remains the gold standard, due to the suboptimal long-term results of intestinal transplantation. As such, the only role for pre-emptive transplantation, if at all, will be for patients identified to be at high risk of complications and mortality while on definitive long-term TPN. In these patients, the timing of early listing and transplantation could become life-saving, taking into account that mortality on the waiting list is still the highest for intestinal candidates...
September 16, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28917307/evaluation-of-western-blot-elisa-and-latex-agglutination-tests-to-detect-toxoplasma-gondii-serum-antibodies-in-farmed-red-deer
#8
Kandarp Khodidas Patel, Laryssa Howe, Cord Heuer, Geoffery William Asher, Peter Raymond Wilson
Abortion due to Toxoplasma gondii has been suspected in New Zealand farmed red deer. However, knowledge around the epidemiology and prevalence of T. gondii in farmed red deer is limited. The aim of this study was to firstly, assess the sensitivity and specificity of two commercially available assays, ELISA and latex agglutination test (LAT), for use in deer and secondly, to estimate the sero-prevalence of T. gondii in red deer. A total of 252 sera from rising 2-year-old and adult hinds from 17 New Zealand red deer herds at early and late pregnancy scanning and from known aborted and/or non-aborted hinds were tested for the presence of T...
September 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28915286/treatment-of-rosacea-with-concomitant-use-of-topical-ivermectin-1-cream-and-brimonidine-0-33-gel-a-randomized-vehicle-controlled-study
#9
Linda Stein Gold, Kim Papp, Charles Lynde, Edward Lain, Melinda Gooderham, Sandra Johnson, Nabil Kerrouche
BACKGROUND: There is currently a lack of data on the simultaneous treatment of different features of rosacea. Individually, ivermectin 1% (IVM) cream and brimonidine 0.33% (BR) gel have demonstrated efficacy on inflammatory lesions and persistent erythema, respectively. OBJECTIVE: To evaluate the efficacy, safety, patient satisfaction, and optimal timing of administration of IVM associated with BR (IVM+BR) versus their vehicles in rosacea (investigator global assessment [IGA] ≥3)...
September 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28915153/associations-of-early-opioid-use-with-patient-reported-outcomes-and-healthcare-utilization-among-older-adults-with-low-back-pain
#10
Laura S Gold, Ryan N Hansen, Andrew L Avins, Zoya Bauer, Bryan A Comstock, Richard A Deyo, Patrick J Heagerty, Sean D Rundell, Pradeep Suri, Judith A Turner, Jeffrey G Jarvik
OBJECTIVES: To compare outcomes and healthcare utilization of older patients who did versus did not fill opioid prescriptions within 90 days of initiating care for low back pain. MATERIALS AND METHODS: For patients ≥65 years with new back pain visits, we used propensity scores to match those who filled no opioid prescriptions to those who filled ≥2 opioid prescriptions within 90 days (and the first opioid prescription within 30 d) of the index visit. Over 24 months, we examined patient-reported outcomes, healthcare utilization, and subsequent opioid prescription fills...
September 14, 2017: Clinical Journal of Pain
https://www.readbyqxmd.com/read/28914144/impaired-disengagement-of-attention-and-its-relationship-to-emotional-distress-in-infants-at-high-risk-for-autism-spectrum-disorder
#11
Susan Bryson, Nancy Garon, Tracey McMullen, Jessica Brian, Lonnie Zwaigenbaum, Vickie Armstrong, Wendy Roberts, Isabel Smith, Peter Szatmari
INTRODUCTION: We provide data on visual orienting and emotional distress in infants at high and low risk for autism spectrum disorder (ASD). METHOD: Participants included 83 high-risk (HR) infants with an older sibling with ASD and 53 low-risk (LR) control infants with no family history of ASD. Infants were assessed on the gap-overlap task and a parent-completed temperament questionnaire at 6 and 12 months of age. At 36 months of age, an independent, gold standard diagnostic assessment for ASD was conducted...
September 15, 2017: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/28905880/mutations-in-rars-cause-a-hypomyelination-disorder-akin-to-pelizaeus-merzbacher-disease
#12
Michael Nafisinia, Nara Sobreira, Lisa Riley, Wendy Gold, Birgit Uhlenberg, Claudia Weiß, Corinne Boehm, Kristina Prelog, Robert Ouvrier, John Christodoulou
Pelizaeus-Merzbacher disease (PMD) is a rare Mendelian disorder characterised by central nervous system hypomyelination. PMD typically manifests in infancy or early childhood and is caused by mutations in proteolipid protein-1 (PLP1). However, variants in several other genes including gap junction protein gamma 2 (GJC2) can also cause a similar phenotype and are referred to PMD-like disease (PMLD). Whole-exome sequencing in two siblings presenting with clinical symptoms of PMD revealed a homozygous variant in the arginyl-tRNA synthetase (RARS) gene: NM_002887...
October 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28904834/methionine-mediated-synthesis-of-magnetic-nanoparticles-and-functionalization-with-gold-quantum-dots-for-theranostic-applications
#13
Arūnas Jagminas, Agnė Mikalauskaitė, Vitalijus Karabanovas, Jūrate Vaičiūnienė
Biocompatible superparamagnetic iron oxide nanoparticles (NPs) through smart chemical functionalization of their surface with fluorescent species, therapeutic proteins, antibiotics, and aptamers offer remarkable potential for diagnosis and therapy of disease sites at their initial stage of growth. Such NPs can be obtained by the creation of proper linkers between magnetic NP and fluorescent or drug probes. One of these linkers is gold, because it is chemically stable, nontoxic and capable to link various biomolecules...
2017: Beilstein Journal of Nanotechnology
https://www.readbyqxmd.com/read/28904521/mesh-displacement-after-bilateral-inguinal-hernia-repair-with-no-fixation
#14
Christiano Marlo Paggi Claus, Gabriela Moreira Rocha, Antonio Carlos Ligocki Campos, João Augusto Nocera Paulin, Julio Cesar Uili Coelho
BACKGROUND AND OBJECTIVES: About 20% of patients with inguinal hernia present bilateral hernias in the diagnosis. In these cases, laparoscopic procedure is considered gold standard approach. Mesh fixation is considered important step toward avoiding recurrence. However, because of cost and risk of pain, real need for mesh fixation has been debated. For bilateral inguinal hernias, there are few specific data about non fixation and mesh displacement. We assessed mesh movement in patients who had undergone laparoscopic bilateral inguinal hernia repair without mesh fixation and compared the results with those obtained in patients with unilateral hernia...
July 2017: JSLS: Journal of the Society of Laparoendoscopic Surgeons
https://www.readbyqxmd.com/read/28903312/gnp-gapdh1-22-nanovaccines-prevent-neonatal-listeriosis-by-blocking-microglial-apoptosis-and-bacterial-dissemination
#15
Ricardo Calderon-Gonzalez, Elisabet Frande-Cabanes, Hector Teran-Navarro, José María Marimon, Javier Freire, David Salcines-Cuevas, M Carmen Fariñas, Claudia Onzalez-Rico, Marco Marradi, Isabel Garcia, Mirian Alkorta-Gurrutxaga, Aida San Nicolas-Gomez, Ana Castañeda-Sampedro, Sonsoles Yañez-Diaz, Soledad Penades, Carmen Punzon, Javier Gomez-Roman, Fernando Rivera, Manuel Fresno, Carmen Alvarez-Dominguez
Clinical cases of neonatal listeriosis are associated with brain disease and fetal loss due to complications in early or late pregnancy, which suggests that microglial function is altered. This is believed to be the first study to link microglial apoptosis with neonatal listeriosis and listeriosis-associated brain disease, and to propose a new nanovaccine formulation that reverses all effects of listeriosis and confers Listeria monocytogenes (LM)-specific immunity. We examined clinical cases of neonatal listeriosis in 2013-2015 and defined two useful prognostic immune biomarkers to design listeriosis vaccines: high anti-GAPDH1-22 titres and tumor necrosis factor (TNF)/interleukin (IL)-6 ratios...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28902042/performance-of-a-quick-pregnancy-test-on-whole-blood-in-early-pregnancy-units-a-prospective-cohort-study
#16
Caroline Legoupil, Isabelle Enderle, Flore-Anne Le Baccon, Claude Bendavid, Lucas Peltier, Estelle Bauville, Jean Leveque, Vincent Lavoue, Maela Le Lous
OBJECTIVE: To assess the diagnostic performance of the NG-Test human chorionic gonadotropin (hCG) WB, which is a new point-of-care (POC) hCG whole-blood test. MATERIALS AND METHODS: This prospective study included women consulted in early pregnancy units for vaginal bleeding and/or pelvic pain with unknown pregnancy status after medical consultation including a pelvic ultrasound scan. A new POC test (the NG-Test hCG WB) and the usual laboratory serum test (considered the gold standard) were performed in patients...
September 8, 2017: European Journal of Emergency Medicine: Official Journal of the European Society for Emergency Medicine
https://www.readbyqxmd.com/read/28899764/iron-oxide-core-oil-in-water-nanoemulsion-as-tracer-for-atherosclerosis-mpi-and-mri-imaging
#17
Geoffrey Prévot, Tina Kauss, Cyril Lorenzato, Alexandra Gaubert, Mélusine Larivière, Julie Baillet, Jeanny Laroche-Traineau, Marie Josée Jacobin-Valat, Laurent Adumeau, Stéphane Mornet, Philippe Barthélémy, Martine Duonor-Cérutti, Gisèle Clofent-Sanchez, Sylvie Crauste-Manciet
PURPOSE: For early atherosclerosis imaging, magnetic oil-in-water nanoemulsion (NE) decorated with atheroma specific monoclonal antibody was designed for Magnetic Particle Imaging (MPI) and Magnetic Resonance Imaging (MRI). MPI is an emerging technique based on direct mapping of superparamagnetic nanoparticles which may advantageously complement MRI. METHODS: NE oily droplets were loaded with superparamagnetic iron oxide nanoparticles of 7, 11 and 18nm and biofunctionalized with atheroma specific scFv-Fc TEG4-2C antibody...
September 9, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28894270/a-novel-role-for-nanog-as-an-early-cancer-risk-marker-in-patients-with-laryngeal-precancerous-lesions
#18
Juan P Rodrigo, M Ángeles Villaronga, Sofía T Menéndez, Francisco Hermida-Prado, Miquel Quer, Isabel Vilaseca, Eva Allonca, Daniel Pedregal Mallo, Aurora Astudillo, Juana M García-Pedrero
NANOG is a master regulator of embryonic stem cell pluripotency, found to be frequently aberrantly expressed in a variety of cancers, including laryngeal carcinomas. This study investigates for the first time the role of NANOG expression in early stages of laryngeal tumourigenesis and its potential utility as cancer risk marker. NANOG protein expression was evaluated by immunohistochemistry using two large independent cohorts of patients with laryngeal precancerous lesions, and correlated with clinicopathological parameters and laryngeal cancer risk...
September 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28893302/comprehensive-target-geometric-errors-and-margin-assessment-in-stereotactic-partial-breast-irradiation
#19
Xin Zhen, Bo Zhao, Zhuoyu Wang, Robert Timmerman, Ann Spangler, Nathan Kim, Asal Rahimi, Xuejun Gu
BACKGROUND: Recently developed stereotactic partial breast irradiation (S-PBI) allows delivery of a high biologically potent dose to the target while sparing adjacent critical organs and normal tissue. With S-PBI tumoricidal doses, accurate and precise dose delivery is critical to achieve high treatment quality. This study is to investigate both rigid and non-rigid components of target geometric error and their corresponding margins in S-PBI and identify correlated clinical factors. METHODS: Forty-three early-stage breast cancer patients with implanted gold fiducial markers were enrolled in the study...
September 11, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28893193/light-emitting-diode-fluorescent-microscopy-and-xpert-mtb-rif%C3%A2-assay-for-diagnosis-of-pulmonary-tuberculosis-among-patients-attending-ambo-hospital-west-central-ethiopia
#20
Alemu Gadissa Gelalcha, Abebaw Kebede, Hassen Mamo
BACKGROUND: The relatively simple and cheaper light-emitting diode fluorescent microscopy (LED-FM) was recommended by the World Health Organization (WHO) to replace the conventional tuberculosis (TB) microscopy in both high- and low-volume laboratories. More recently the WHO also endorsed one more technique, Xpert MTB/RIF® assay (Xpert), for improved TB diagnosis particularly among human immunodeficiency virus (HIV)-infected cases. However, the relative performance of both of these tools differs from setting to setting in reference to the conventional TB diagnostics...
September 11, 2017: BMC Infectious Diseases
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