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https://www.readbyqxmd.com/read/28943809/an-audio-jack-based-electrochemical-impedance-spectroscopy-sensor-for-point-of-care-diagnostics
#1
Haowei Jiang, Alex Sun, A G Venkatesh, Drew A Hall
Portable and easy-to-use point-of-care (POC) diagnostic devices hold high promise for dramatically improving public health and wellness. In this paper, we present a mobile health (mHealth) immunoassay platform based on audio jack embedded devices, such as smartphones and laptops, that uses electrochemical impedance spectroscopy (EIS) to detect binding of target biomolecules. Compared to other biomolecular detection tools, this platform is intended to be used as a plug-and-play peripheral that reuses existing hardware in the mobile device and does not require an external battery, thereby improving upon its convenience and portability...
February 1, 2017: IEEE Sensors Journal
https://www.readbyqxmd.com/read/28926325/-epidemiology-of-internet-use-by-an-adolescent-population-and-its-relation-with-sleep-habits
#2
Carla Ferreira, Helena Ferreira, Maria João Vieira, Mónica Costeira, Liliana Branco, Ângela Dias, Liliana Macedo
INTRODUCTION: In the last decades, the great technological development increased Internet popularity, emerging the concern about its overuse. The objectives of this study were to assess and characterize Internet use in adolescence, determine Internet addiction and clarify its association with sleep disorders and excessive daytime sleepiness. MATERIAL AND METHODS: It was performed an observational, cross sectional and community-based study. The target were students attending 7th and 8th grades, to whom was applied an online self-report questionnaire to assess sociodemographic features, Internet use, Internet dependence, sleep characteristics and excessive daytime sleepiness...
August 31, 2017: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28923143/validation-of-the-cognition-test-battery-for-spaceflight-in-a-sample-of-highly-educated-adults
#3
Tyler M Moore, Mathias Basner, Jad Nasrini, Emanuel Hermosillo, Sushila Kabadi, David R Roalf, Sarah McGuire, Adrian J Ecker, Kosha Ruparel, Allison M Port, Chad T Jackson, David F Dinges, Ruben C Gur
BACKGROUND: Neuropsychological changes that may occur due to the environmental and psychological stressors of prolonged spaceflight motivated the development of the Cognition Test Battery. The battery was designed to assess multiple domains of neurocognitive functions linked to specific brain systems. Tests included in Cognition have been validated, but not in high-performing samples comparable to astronauts, which is an essential step toward ensuring their usefulness in long-duration space missions...
October 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28923052/accessing-physical-activity-among-young-adults-attending-a-university-the-role-of-sex-race-ethnicity-technology-use-and-sleep
#4
Samuel D Towne, Marcia G Ory, Matthew Lee Smith, S Camille Peres, Adam W Pickens, Ranjana K Mehta, Mark Benden
BACKGROUND: Identifying factors associated with recommended physical activity (PA) levels are critical in efforts to combat the obesity epidemic and related comorbidities. METHODS: We conducted cross-sectional analyses of college students (n = 490) enrolled in a large southern state university in October of 2014. Our aim was to identify sociodemographic characteristics, technology use, and sleep patterns among college students and their independent relationship to recommended PA...
September 18, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28920567/electronic-devices-for-cognitive-impairment-screening-a-systematic-literature-review
#5
J Antonio García-Casal, Manuel Franco-Martín, M Victoria Perea-Bartolomé, J Miguel Toribio-Guzmán, Carlos García-Moja, Miguel Goñi-Imizcoz, Emese Csipke
OBJECTIVES: The reduction in cognitive decline depends on timely diagnosis. The aim of this systematic review was to analyze the current available information and communication technologies-based instruments for cognitive decline early screening and detection in terms of usability, validity, and reliability. METHODS: Electronic searches identified 1,785 articles of which thirty-four met the inclusion criteria and were grouped according to their main purpose into test batteries, measures of isolated tasks, behavioral measures, and diagnostic tools...
September 18, 2017: International Journal of Technology Assessment in Health Care
https://www.readbyqxmd.com/read/28911333/profiling-bacterial-communities-by-minion-sequencing-of-ribosomal-operons
#6
Lee J Kerkhof, Kevin P Dillon, Max M Häggblom, Lora R McGuinness
BACKGROUND: An approach utilizing the long-read capability of the Oxford Nanopore MinION to rapidly sequence bacterial ribosomal operons of complex natural communities was developed. Microbial fingerprinting employs domain-specific forward primers (16S rRNA subunit), reverse primers (23S rRNA subunit), and a high-fidelity Taq polymerase with proofreading capabilities. Amplicons contained both ribosomal subunits for broad-based phylogenetic assignment (~ 3900 bp of sequence), plus the intergenic spacer (ITS) region (~ 300 bp) for potential strain-specific identification...
September 15, 2017: Microbiome
https://www.readbyqxmd.com/read/28906239/auditory-processing-testing-in-the-booth-versus-outside-the-booth
#7
Jay R Lucker
BACKGROUND: Many audiologists believe that auditory processing testing must be carried out in a soundproof booth. This expectation is especially a problem in places such as elementary schools. Research comparing pure-tone thresholds obtained in sound booths compared to quiet test environments outside of these booths does not support that belief. Auditory processing testing is generally carried out at above threshold levels, and therefore may be even less likely to require a soundproof booth...
September 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28890160/elfin-an-algorithm-for-the-computational-design-of-custom-three-dimensional-structures-from-modular-repeat-protein-building-blocks
#8
Chun-Ting Yeh, T J Brunette, David Baker, Simon McIntosh-Smith, Fabio Parmeggiani
Computational protein design methods have enabled the design of novel protein structures, but they are often still limited to small proteins and symmetric systems. To expand the size of designable proteins while controlling the overall structure, we developed Elfin, a genetic algorithm for the design of novel proteins with custom shapes using structural building blocks derived from experimentally verified repeat proteins. By combining building blocks with compatible interfaces, it is possible to rapidly build non-symmetric large structures (> 1000 amino acids) that match three-dimensional geometric descriptions provided by the user...
September 7, 2017: Journal of Structural Biology
https://www.readbyqxmd.com/read/28879664/fast-simulations-of-multidimensional-nmr-spectra-of-proteins-and-peptides
#9
Thomas Vosegaard
To simulate full multidimensional NMR spectra of peptides and proteins in a reasonable time frame, a strategy for separating the time-consuming full-density matrix calculations from the chemical shift prediction and calculation of coupling patterns is presented. The simulation setup uses SIMPSON to calculate TOCSY transfer amplitudes and average distances as a source for NOESY transfer amplitudes. Simulated (1) H 1D, 2D TOCSY, and 2D NOESY NMR spectra of peptides with sequence PAGYN and NFGAIL and of ubiquitin are presented...
September 6, 2017: Magnetic Resonance in Chemistry: MRC
https://www.readbyqxmd.com/read/28876611/construction-and-validation-of-low-cost-laparoscopic-simulator-using-android-smartphone-and-pop-cast-and-a-laptop
#10
A Vyas, G Goel
Minimal invasive surgery training requires a lot of practice and for this purpose innovative tools are needed to develop methods for practice and training skills outside the operating room. Commercially available devices are readily available but cost effectiveness and availability are major limiting factors in resource limited setting. We present an innovative and cost effective laparoscopic simulator which can be easily manufactured and used for practice of laparoscopic surgery. Using a free android application, such as IP webcam we can relay video to laptop without the use of any cables and uniquely we use the flash of a camera as the light source and a selfie stick for movement of the camera...
September 2017: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
https://www.readbyqxmd.com/read/28873848/investigating-the-effect-of-social-robot-embodiment
#11
Sally Whelan, Christos Kouroupetroglou, Adam Santorelli, Massimiliano Raciti, Eva Barrett, Dympna Casey
The experiment described in this paper is an early assessment to identify if the embodiment of a verbal and visual user interaction system in a robot is more effective in people with dementia than when using the same system in a simple laptop. This study provides input for the robot's design.
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28867425/the-association-between-substantiated-childhood-maltreatment-asthma-and-lung-function-a-prospective-investigation
#12
Amanuel Alemu Abajobir, Steve Kisely, Gail Williams, Lane Strathearn, Sadasivam Suresh, Jake Moses Najman
BACKGROUND: Asthma reflects multiple and likely complex causal pathways. We investigate the possibility that childhood maltreatment is one such causal pathway. Childhood maltreatment can be interpreted as a form of early life adversity and like other life adversities may predict a range of negative health outcomes, including asthma. METHODS: A total of 3762 young adults (52.63% female) from the Mater Hospital-University of Queensland Study of Pregnancy (MUSP) participated in this study...
August 3, 2017: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/28865963/can-shoulder-range-of-movement-be-measured-accurately-using-the-microsoft-kinect-sensor%C3%A2-plus-medical-interactive-recovery-assistant-software
#13
James D Wilson, Jennifer Khan-Perez, Dominic Marley, Susan Buttress, Michael Walton, Baihua Li, Bibhas Roy
BACKGROUND: This study compared the accuracy of measuring shoulder range of movement (ROM) with a simple laptop-sensor combination vs. trained observers (shoulder physiotherapists and shoulder surgeons) using motion capture (MoCap) laboratory equipment as the gold standard. METHODS: The Microsoft Kinect sensor (Microsoft Corp., Redmond, WA, USA) tracks 3-dimensional human motion. Ordinarily used with an Xbox (Microsoft Corp.) video game console, Medical Interactive Recovery Assistant (MIRA) software (MIRA Rehab Ltd...
August 30, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28862491/eye-gaze-control-technology-for-children-adolescents-and-adults-with-cerebral-palsy-with-significant-physical-disability-findings-from-a-systematic-review
#14
Petra Karlsson, Abigail Allsop, Betty-Jean Dee-Price, Margaret Wallen
PURPOSE: The primary objective of this systematic review was to examine the effectiveness of eye-gaze control technology for facilitating communication across different social contexts for people with cerebral palsy and significant physical disability. METHODS: Systematic review. RESULTS: The search identified 756 potentially eligible articles, of which two, low level articles were eligible. One study reported positive results for achieving communication goals for children with cerebral palsy...
September 1, 2017: Developmental Neurorehabilitation
https://www.readbyqxmd.com/read/28855233/a-mobile-based-community-health-management-information-system-for-community-health-workers-and-their-supervisors-in-2-districts-of-zambia
#15
Godfrey Biemba, Boniface Chiluba, Kojo Yeboah-Antwi, Vichaels Silavwe, Karsten Lunze, Rodgers K Mwale, Scott Russpatrick, Davidson H Hamer
INTRODUCTION: Effective community health management information systems (C-HMIS) are important in low-resource countries that rely heavily on community-based health care providers. Zambia currently lacks a functioning C-HMIS to provide real-time, community-based health information from community health workers (CHWs) to health center staff and higher levels of the health system. PROGRAM DESCRIPTION: We developed a C-HMIS mobile platform for use by CHWs providing integrated community case management (iCCM) services and their supervisors to address challenges of frequent stock-outs and inadequate supportive supervision of iCCM-trained CHWs...
August 30, 2017: Global Health, Science and Practice
https://www.readbyqxmd.com/read/28846643/a-portable-impedance-immunosensing-system-for-rapid-detection-of-salmonella-typhimurium
#16
Tao Wen, Ronghui Wang, America Sotero, Yanbin Li
SalmonellaTyphimurium is one of the most dangerous foodborne pathogens and poses a significant threat to human health. The objective of this study was to develop a portable impedance immunosensing system for rapid and sensitive detection of S. Typhimurium in poultry. The developed portable impedance immunosensing system consisted of a gold interdigitated array microelectrode (IDAM), a signal acquisitive interface and a laptop computer with LabVIEW software. The IDAM was first functionalized with 16-Mercaptohexadecanoic acid, and streptavidin was immobilized onto the electrode surface through covalent bonding...
August 28, 2017: Sensors
https://www.readbyqxmd.com/read/28845452/visualizing-redox-orbitals-and-their-potentials-in-advanced-lithium-ion-battery-materials-using-high-resolution-x-ray-compton-scattering
#17
Hasnain Hafiz, Kosuke Suzuki, Bernardo Barbiellini, Yuki Orikasa, Vincent Callewaert, Staszek Kaprzyk, Masayoshi Itou, Kentaro Yamamoto, Ryota Yamada, Yoshiharu Uchimoto, Yoshiharu Sakurai, Hiroshi Sakurai, Arun Bansil
Reduction-oxidation (redox) reactions are the key processes that underlie the batteries powering smartphones, laptops, and electric cars. A redox process involves transfer of electrons between two species. For example, in a lithium-ion battery, current is generated when conduction electrons from the lithium anode are transferred to the redox orbitals of the cathode material. The ability to visualize or image the redox orbitals and how these orbitals evolve under lithiation and delithiation processes is thus of great fundamental and practical interest for understanding the workings of battery materials...
August 2017: Science Advances
https://www.readbyqxmd.com/read/28843560/smartphone-coupled-handheld-array-reader-for-real-time-toxic-gas-detection
#18
Jasmine Pramila Devadhasan, Dami Kim, Do Young Lee, Sanghyo Kim
Smartphones and related accessories are rapidly expanding their applications in various fields. Herein we developed a smartphone coupled handheld array reader with the integration of complementary metal oxide (CMOS) image sensor for detecting various toxic gases by colorimetric monitoring approach. In this study, toxic gases such as hydrogen fluoride (HF), chlorine (Cl2), ammonia (NH3), and formaldehyde (CH2O) were detected using titanium nanoparticles (TiO2 NPs) blended poly (vinyl alcohol) (PVA) hydrogel test strips, which were patterned with chemically responsive dyes...
September 1, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28809183/helping-hands-using-augmented-reality-to-provide-remote-guidance-to-health-professionals
#19
Carey Mather, Tony Barnett, Vlasti Broucek, Annette Saunders, Darren Grattidge, Weidong Huang
Access to expert practitioners or geographic distance can compound the capacity for appropriate supervision of health professionals in the workplace. Guidance and support of clinicians and students to undertake new or infrequent procedures can be resource intensive. The Helping Hands remote augmented reality system is an innovation to support the development of, and oversee the acquisition of procedural skills through remote learning and teaching supervision while in clinical practice. Helping Hands is a wearable, portable, hands-free, low cost system comprised of two networked laptops, a head-mounted display worn by the recipient and a display screen used remotely by the instructor...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28799651/thermal-mapping-on-male-genital-and-skin-tissues-of-laptop-thermal-sources-and-electromagnetic-interaction
#20
Mahdi Safari, Navid Mosleminiya, Ali Abdolali
Since the development of communication devices and expansion of their applications, there have been concerns about their harmful health effects. The main aim of this study was to investigate laptop thermal effects caused by exposure to electromagnetic fields and thermal sources simultaneously; propose a nondestructive, replicable process that is less expensive than clinical measurements; and to study the effects of positioning any new device near the human body in steady state conditions to ensure safety by U...
August 11, 2017: Bioelectromagnetics
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