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https://www.readbyqxmd.com/read/28532129/-131-i-traced-plga-lipid-nanoparticles-as-drug-delivery-carriers-for-the-targeted-chemotherapeutic-treatment-of-melanoma
#1
Haiyan Wang, Weizhong Sheng
Herein, folic acid (FA) conjugated Poly(d,l-lactide-co-glycolide) (PLGA)-lipid composites (FA-PL) were developed as nanocarriers for the targeted delivery of insoluble anti-cancer drug paclitaxel (PTX), resulting FA-PLP nanoparticles. Furthermore, (131)I, as a radioactive tracer, was used to label FA-PLP nanoparticles (FA-PLP-(131)I) to evaluate their cell uptake activity, in vivo blood circulation, and biodistribution. The FA-PLP-(131)I nanoparticles had a spherical morphology with great stability, a narrow size distribution (165...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28531834/bioelectrical-impedimetric-sensor-for-single-cell-analysis-based-on-nanoroughened-quartz-substrate-suitable-for-cancer-therapeutic-purposes
#2
Milad Gharooni, Mohammad Abdolahad
Single cells analysis has been interested in recent decade. Apart from scientific benefits to achieve new biological phenomena in cell study, many diagnostic and therapeutic protocols in non-communicable diseases were introduced by single cell analysis. Moreover, non-invasive methods to maintain the investigated cell for time dependent monitoring has been widely studied because of its importance in some crucial cases such as drug resistance in cancer. Bioelectrical monitoring is one of such methods Although the procedures reported based on electrical probing might not induce cell disruption, indirect connection between recording electrodes and cell membrane (mostly in microfluidic approaches) reduced the quality of response and limited the precision of the results...
May 15, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28531809/multifocal-visual-evoked-potentials-in-optic-neuritis-and-multiple-sclerosis-a-review
#3
REVIEW
Gorm Pihl-Jensen, Mathias Falck Schmidt, Jette Lautrup Frederiksen
Multifocal visual evoked potential (mf-VEP) represents a new approach to the classical full field (ff-)VEP with separate responses from up to 60 sectors of the visual field. A thorough literature survey of the use of mf-VEP in optic neuritis (ON) and multiple sclerosis (MS) is presented (38 published studies were retrieved). Mf-VEP provides direct topographical information of specific lesions and facilitates investigations on structural-functional correlations thus providing new methods for exploring the interplay between demyelination, atrophy and remyelination in MS...
April 11, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28531552/the-role-of-next-generation-sequencing-in-infection-prevention-in-human-parainfluenza-virus-3-infections-in-immunocompromised-patients
#4
Atul Kothari, Mary J Burgess, Juan Carlos Rico Crescencio, Joshua L Kennedy, Jesse L Denson, Kurt C Schwalm, Ashley N Stoner, John C Kincaid, Faith E Davies, Darrell L Dinwiddie
BACKGROUND: Respiratory viral infections are a significant problem in patients with hematologic malignancies. We report a cluster of HPIV 3 infections in our myeloma patients, and describe the utility of next generation sequencing (NGS) to identify transmission linkages which can assist in infection prevention. OBJECTIVES: To evaluate the utility of NGS to track respiratory viral infection outbreaks and delineate between community acquired and nosocomial infections in our cancer units...
May 12, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28531338/placental-exosomes-as-early-biomarker-of-preeclampsia-potential-role-of-exosomal-micrornas-across-gestation
#5
Carlos Salomon, Dominic Guanzon, Katherin Scholz-Romero, Sherri Longo, Paula Correa, Sebastian E Illanes, Gregory E Rice
Context: There is a need to develop strategies for early prediction of patients who will develop preeclampsia (PE), in order to establish preventive strategies to reduce the prevalence and severity of the disease and their associated complications. Objective: The objective of this study was to investigate whether exosomes and their microRNA cargo present in maternal circulation can be used as early biomarker for PE. Design, Setting, Patients, and Interventions: A retrospective stratified study design was used to quantify total exosomes (EXO) and placenta-derived exosomes (PdE) present in maternal plasma of normal (n=32 per time point) and PE (n=15 per time point) pregnancies...
May 22, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28531316/a-comprehensive-method-to-quantify-adaptations-by-male-and-female-mice-with-hot-flashes-induced-by-the-neurokinin-b-receptor-agonist-senktide
#6
Ashley A Krull, Sarah A Larsen, Donald K Clifton, Genevieve Neal-Perry, Robert A Steiner
Vasomotor symptoms (VMS, or hot flashes) plague millions of reproductive age men and women who have natural or iatrogenic loss of sex steroid production. Many affected individuals are left without treatment options because of contraindications to hormone replacement therapy and the lack of equally effective non-hormonal alternatives. Moreover, development of safer, more effective therapies has been stymied by the lack of an animal model that recapitulates the hot flash phenomenon and enables direct testing of hypotheses regarding the pathophysiology underlying hot flashes...
May 22, 2017: Endocrinology
https://www.readbyqxmd.com/read/28531284/different-abundance-and-correlational-patterns-exist-between-total-and-presumed-pathogenic-v-vulnificus-and-v-parahaemolyticus-in-shellfish-and-waters-along-the-north-carolina-coast
#7
Tiffany C Williams, Brett A Froelich, Britney Phippen, Patricia Fowler, Rachel T Noble, James D Oliver
Monitoring of Vibrio vulnificus and Vibrio parahaemolyticus abundance is pertinent due to the ability of these species to cause disease in humans through aquatic vectors. Previously, we performed a multiyear investigation tracking Vibrio spp. levels in five sites along the southeastern North Carolina coast. From February 2013 to October 2015 total V. vulnificus, and V. parahaemolyticus abundance was measured in water, oysters, and clams. In the current study, pathogenic subpopulations were identified in these isolates using molecular markers, revealing that 5...
May 20, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28531222/monitoring-the-elimination-of-human-african-trypanosomiasis-update-to-2014
#8
José R Franco, Giuliano Cecchi, Gerardo Priotto, Massimo Paone, Abdoulaye Diarra, Lise Grout, Raffaele C Mattioli, Daniel Argaw
BACKGROUND: The World Health Organization (WHO) has targeted the elimination of Human African trypanosomiasis (HAT) 'as a public health problem' by 2020. The selected indicators of elimination should be monitored every two years, and we provide here a comprehensive update to 2014. The monitoring system is underpinned by the Atlas of HAT. RESULTS: With 3,797 reported cases in 2014, the corresponding milestone (5,000 cases) was surpassed, and the 2020 global target of 'fewer than 2,000 reported cases per year' seems within reach...
May 22, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28531155/developing-health-related-indicators-of-climate-change-australian-stakeholder-perspectives
#9
Maryam Navi, Alana Hansen, Monika Nitschke, Scott Hanson-Easey, Dino Pisaniello
Climate-related health indicators are potentially useful for tracking and predicting the adverse public health effects of climate change, identifying vulnerable populations, and monitoring interventions. However, there is a need to understand stakeholders' perspectives on the identification, development, and utility of such indicators. A qualitative approach was used, comprising semi-structured interviews with key informants and service providers from government and non-government stakeholder organizations in South Australia...
May 22, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28531093/development-of-a-low-energy-x-ray-camera-for-the-imaging-of-secondary-electron-bremsstrahlung-x-ray-emitted-during-proton-irradiation-for-range-estimation
#10
Koki Ando, Mitsutaka Yamaguchi, Seiichi Yamamoto, Toshiyuki Toshito, Naoki Kawachi
Imaging of secondary electron bremsstrahlung x-ray emitted during proton irradiation is a possible method for measurement of the proton beam distribution in phantom. However, it is not clear that the method is used for range estimation of protons. For this purpose, we developed a low-energy x-ray camera and conducted imaging of the bremsstrahlung x-ray produced during irradiation of proton beams. We used a 20 mm  ×  20 mm  ×  1 mm finely grooved GAGG scintillator that was optically coupled to a one-inch square high quantum efficiency (HQE)-type position-sensitive photomultiplier tube to form an imaging detector...
May 22, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28530528/objectifying-tactics-athlete-and-race-variability-in-elite-short-track-speed-skating
#11
Marco J Konings, Florentina J Hettinga
PURPOSE: To objectively capture and understand tactical considerations in a race, we explored whether race-to-race variation of an athlete and the variation of competitors within a race could provide insight into how and when athletes modify their pacing decisions in response to other competitors. METHODS: Lap times of elite 500, 1000 and 1500 m short-track speed skating competitions between 2011-2016 (n=6965 races) were collected. Log-transformed lap and finishing times were analyzed with mixed linear models...
May 22, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28530477/reliability-and-validity-of-an-acromion-marker-cluster-for-recording-scapula-posture-at-end-range-clavicle-protraction-retraction-elevation-and-depression
#12
Yaheli Bet-Or, Wolbert van den Hoorn, Venerina Johnston, Shaun P O'Leary
Acromion Marker Cluster (AMC) methods have been shown to accurately track scapula motion during humeral elevation below 90°, however, their accuracy has not been assessed in shoulder girdle motion such as clavicle protraction, retraction, elevation and depression independent of humeral movement. The aim of this study was to examine the reliability and validity of the AMC method to record scapula orientation at end range clavicle protraction, retraction, elevation and depression. The right scapulae of twenty-two female and twenty male asymptomatic volunteers were assessed with an AMC and Scapula Locator (SL) method during end range clavicle protraction, retraction, elevation and depression (without humeral elevation) using an eight-camera 3D movement registration system...
May 22, 2017: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/28530439/an-eye-tracking-investigation-of-attentional-biases-towards-affect-in-young-children
#13
Jessica L Burris, Ryan A Barry-Anwar, Susan M Rivera
This study examines attentional biases in the presence of angry, happy and neutral faces using a modified eye tracking version of the dot probe task (DPT). Participants were 111 young children between 9 and 48 months. Children passively viewed an affective attention bias task that consisted of a face pairing (neutral paired with either neutral, angry or happy) for 500 ms that was followed by a 1,500-ms asterisk probe on 1 side of the screen. Congruent trials were trials in which the probe appeared on the same side of the screen as the emotional face and incongruent trials were trials in which the probe appeared on the opposite side of the emotional face...
May 22, 2017: Developmental Psychology
https://www.readbyqxmd.com/read/28530196/fluorescein-isothiocyanate-dyed-mesoporous-silica-nanoparticles-for-tracking-antioxidant-delivery
#14
Ladan Rashidi, Fariba Ganji, Ebrahim Vasheghani-Farahani
This study investigated the cellular uptake of fluorescein isothiocyanate-labelled mesoporous silica nanoparticles (FITC-MSNs), amine-functionalised FITC-MSNs (AP-FITC-MSNs) and their gallic acid (GA)-loaded counterparts. Mesoporous silica nanoparticles were labelled with fluorescein isothiocyanate, functionalised by 3-aminopropyltriethoxysilane (APTES) (AP-FITC-MSNs) and then loaded by GA. All nanoparticles were characterised by transmission electron microscopy (TEM), Fourier transform infrared spectroscopy, and X-ray diffraction...
June 2017: IET Nanobiotechnology
https://www.readbyqxmd.com/read/28530037/where-do-hiv-infected-adolescents-go-after-transfer-tracking-transition-transfer-of-hiv-infected-adolescents-using-linkage-of-cohort-data-to-a-health-information-system-platform
#15
Mary-Ann Davies, Priscilla Tsondai, Nicki Tiffin, Brian Eley, Helena Rabie, Jonathan Euvrard, Catherine Orrell, Hans Prozesky, Robin Wood, Dolphina Cogill, Andreas D Haas, Annette H Sohn, Andrew Boulle
INTRODUCTION: To evaluate long-term outcomes in HIV-infected adolescents, it is important to identify ways of tracking outcomes after transfer to a different health facility. The Department of Health (DoH) in the Western Cape Province (WCP) of South Africa uses a single unique identifier for all patients across the health service platform. We examined adolescent outcomes after transfer by linking data from four International epidemiology Databases to Evaluate AIDS Southern Africa (IeDEA-SA) cohorts in the WCP with DoH data...
May 16, 2017: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/28530036/living-and-dying-to-be-counted-what-we-know-about-the-epidemiology-of-the-global-adolescent-hiv-epidemic
#16
Amy L Slogrove, Mary Mahy, Alice Armstrong, Mary-Ann Davies
INTRODUCTION: With increasing survival of vertically HIV-infected children and ongoing new horizontal HIV infections, the population of adolescents (age 10-19 years) living with HIV is increasing. This review aims to describe the epidemiology of the adolescent HIV epidemic and the ability of national monitoring systems to measure outcomes in HIV-infected adolescents through the adolescent transition to adulthood. METHODS: Differences in global trends between younger (age 10-14 years) and older (age 15-19 years) adolescents in key epidemic indicators are interrogated using 2016 UNAIDS estimates...
May 16, 2017: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/28529807/a-novel-modified-reverse-controlled-antegrade-and-retrograde-subintimal-tracking-technique-for-bypassing-the-calcified-proximal-cap-of-coronary-total-occlusions
#17
Tsuyoshi Isawa, Masahiko Ochiai, Masato Munehisa, Tatsushi Ootomo
Antegrade crossing is the most common approach to chronic total occlusions (CTOs). However, it is sometimes difficult to penetrate the proximal hard cap with guidewires, especially in the case of CTOs of anomalous coronary arteries because of a lack of support. Herein, we describe a novel, modified reverse controlled antegrade and retrograde subintimal tracking (CART) technique in which the dissection reentry was intentionally created in the proximal segment of the vessel, not within the occluded segment, using retrograde guidewire and the aid of an antegrade balloon...
2017: Case Reports in Cardiology
https://www.readbyqxmd.com/read/28529671/the-advection-of-microparticles-mcf-7-and-mda-mb-231-breast-cancer-cells-in-response-to-very-low-reynolds-numbers
#18
Sinéad T Morley, Michael T Walsh, David T Newport
The lymphatic system is an extensive vascular network that serves as the primary route for the metastatic spread of breast cancer cells (BCCs). The dynamics by which BCCs travel in the lymphatics to distant sites, and eventually establish metastatic tumors, remain poorly understood. Particle tracking techniques were employed to analyze the behavior of MCF-7 and MDA-MB-231 BCCs which were exposed to lymphatic flow conditions in a 100 μm square microchannel. The behavior of the BCCs was compared to rigid particles of various diameters (η = dp/H= 0...
May 2017: Biomicrofluidics
https://www.readbyqxmd.com/read/28529627/-18-f-ge-180-pet-detects-reduced-microglia-activation-after-lm11a-31-therapy-in-a-mouse-model-of-alzheimer-s-disease
#19
Michelle L James, Nadia P Belichenko, Adam J Shuhendler, Aileen Hoehne, Lauren E Andrews, Christina Condon, Thuy-Vi V Nguyen, Vladimer Reiser, Paul Jones, William Trigg, Jianghong Rao, Sanjiv S Gambhir, Frank M Longo
Microglial activation is a key pathological feature of Alzheimer's disease (AD). PET imaging of translocator protein 18 kDa (TSPO) is a strategy to detect microglial activation in vivo. Here we assessed flutriciclamide ([(18)F]GE-180), a new second-generation TSPO-PET radiotracer, for its ability to monitor response to LM11A-31, a novel AD therapeutic in clinical trials. AD mice displaying pathology were treated orally with LM11A-31 for 3 months. Subsequent [(18)F]GE-180-PET imaging revealed significantly lower signal in cortex and hippocampus of LM11A-31-treated AD mice compared to those treated with vehicle, corresponding with decreased levels of TSPO immunostaining and microglial Iba1 immunostaining...
2017: Theranostics
https://www.readbyqxmd.com/read/28529420/long-pulsed-nd-yag-laser-and-intense-pulse-light-755-nm-for-idiopathic-facial-hirsutism-a-comparative-study
#20
Arpit Shrimal, Souvik Sardar, Soumyajit Roychoudhury, Somenath Sarkar
BACKGROUND: Hirsutism means excessive terminal hair growth in a female in male pattern distribution. Perception of hirsutism is subjective. Permanent laser hair reduction is a slow process taking many sessions and tracking of improvement parameters is tedious. Hence, a lot of confusion still exists regarding the type of laser most beneficial for treatment. AIM: The aim of this study was to compare the effectiveness and safety profile of long-pulsed Nd: YAG laser (1064 nm) and intense pulse light (IPL)-755 nm in management of idiopathic facial hirsutism...
January 2017: Journal of Cutaneous and Aesthetic Surgery
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