Articles tagged with Smartphones
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Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Researchers have developed a new type of OLED display that uses strong coupling of light and matter to improve color saturation and brightness. The displays, known as polariton-based OLEDs, achieve this without compromising efficiency or viewing angle dependency.
A proof-of-principle study introduces a 'glowscope' - a $50 device that converts smartphones into fluorescence microscopes. The device allows for low-magnification imaging of cells, tissues, and organisms under fluorescent lighting.
A new type of ferroelectric semiconductor has been integrated into a reconfigurable transistor, enabling multifunctional devices to be combined on the same platform. This breakthrough could lead to more efficient and lower-cost electronics, including reconfigurable radio frequency and microwave communication systems.
A new non-invasive diagnostic technique using smartphone photographs of the eye and face has been successfully developed to detect anaemia in children. The study, published in PLOS ONE, used images from 43 children under four to predict blood haemoglobin concentration with high accuracy.
Researchers at UBC Okanagan have developed transmission schemes that incorporate reconfigurable intelligent surfaces to serve as reflectors within existing wireless networks. These surfaces can bounce signals to cell phones, improving accuracy and reliability in location services and data speeds.
A smartphone app-based cognitive behavioral therapy program lowered blood sugar levels and improved health behaviors in patients with diabetes. The study found a clear 'dose effect,' where participants completing more lessons saw greater benefits.
Researchers found that certain wearable devices using bioimpedance sensing technology can interfere with CRT devices, causing pacing interruptions or unnecessary shocks to the heart. The study suggests that future clinical studies are needed to evaluate patients with CIEDs and wearables.
New research explores the impact of digital media on visual perception, finding that online environments can shift what the brain pays attention to. Studies suggest that excessive digital use can lead to a reduced sensitivity to oblique angles, but this effect may not be permanent once exposure to nature increases.
Researchers at Nagoya University developed a new dry etching method for metal carbides, allowing for the selective removal of TiAlC from other compounds. This technique enables the fabrication of gate-all-around transistors with improved performance and reduced leakage.
HemaChrome, a digital health startup, has won phase 1 of the National Institutes of Health's RADx Tech for Maternal Health Challenge. The company uses smartphone technology to noninvasively measure blood hemoglobin levels, making them accessible and affordable for nearly everyone.
Researchers from Mount Sinai Health System presented studies on the association between obesity and adverse outcomes in forceps-assisted vaginal deliveries, as well as the utility of cervical length surveillance after cerclage placement for predicting preterm birth. Additionally, a new tool for managing postpartum hemorrhage was showca...
A new smartphone application called FAST.AI uses machine learning algorithms to recognize facial asymmetry, arm weakness, and speech changes in people experiencing a stroke. The app's accuracy was validated through a study involving nearly 270 patients with acute stroke, showing promise as a tool for prompt individuals to seek care.
Scientists have created a small, portable device that can extract and pretreat bacterial DNA using voice commands, making it easier and safer for researchers to handle potentially infectious samples. The device has shown promise in extracting DNA from Salmonella Typhimurium with an efficiency of 70% in under a minute.
A University of Houston research team has developed a new method for early diagnosis and monitoring of lupus nephritis using a smartphone-based test. The test assesses the levels of ALCAM protein in urine, showing high diagnostic accuracy for renal pathology activity in active lupus nephritis.
Researchers found that inexpensive techniques, such as nudges, can increase adoption of app features and complete onboarding. The study's findings have implications for consumer privacy, customer relationship management, and regulation.
Researchers from the University of Tsukuba found that web-based interventions are effective in promoting weight loss in people with overweight and obesity. The most effective components include social support, self-monitoring, behavioral goal setting, and personalized information.
Researchers developed HippoCamera, a new smartphone app that significantly improves memory recall by boosting attention to daily events. Users record videos and audio descriptions of everyday experiences, which are then replayed to reinforce memory consolidation.
A new study found that limited information is available on the size of the gambling market, participation, harms, and prevention in Sub-Saharan Africa. The researchers argue that regulation is outdated and ill-equipped for a digital age, with many territories lacking explicit regulation for online gambling.
The Center for Aggressive Scaling by Advanced Processes for Electronics and Photonics (ASAP) aims to develop new fundamental technology solutions to reduce energy consumption in microprocessors. The center will focus on materials discovery, heterogeneous 3D integration, and highly energy-efficient circuits and architectures.
A study of 578 mental health apps found that most offered basic features like psychoeducation and goal tracking, but fewer innovative features like biofeedback or specialized therapies. Privacy concerns remained a significant issue, with app popularity metrics providing little help in identifying more private apps.
A reactive strip has been prototyped to detect and quantify allergens in foods before consumption. The test's reliability is high due to its miniaturized 36-point array with internal controls and calibrators, enabling quick quantification of allergen traces.
Researchers at Tokyo Institute of Technology have developed a novel harmonic-selection technique to extend the operational bandwidth of 5G NR communication. The proposed technology improves power efficiency and achieves low noise, making it compatible with all existing 5G bands and future 60 GHz licensed band.
Texas A&M researchers have developed a method to embed hidden magnetic tags in metal parts, providing a new tool to combat counterfeited goods. The technique uses metal additive manufacturing to create unique identifiers that can be read using a magnetic sensor device.
A new study demonstrates how anonymized smartphone data can monitor public use of parks and green spaces, shedding light on relationships between people and nature. The findings highlight potential for GPS data to inform management and optimize benefits for both recreation and biodiversity.
A new study found that frequent use of digital devices to soothe young children ages 3-5 is associated with increased emotional dysregulation in kids, particularly in boys. Alternative soothing methods can help build emotion regulation skills and prevent tech-related tantrums.
A recent study found that frequent mobile device use for calming young children may displace opportunities for learning emotion-regulation strategies. Pediatric health care professionals may need to encourage alternative calming approaches to support healthy development.
A novel public health intervention, virtual overdose monitoring services offer timely and anonymous access to emergency care and can develop personalized response plans for individuals using substances. High-quality research is needed to better understand the benefits and risks of these services.
A new smartphone healthcare app called CALO mama Plus has been found to lead to significant reductions in body weight. The study, conducted by researchers from the University of Tsukuba, tested the efficacy of a comprehensive behavior modification app and found it to be as effective as established interventions.
Researchers at Nanyang Technological University have developed a technique to convert waste paper into lithium-ion battery electrodes, reducing greenhouse gas emissions and increasing durability. The new method uses carbonisation and laser cutting to create reusable batteries with superior properties.
Researchers at Mayo Clinic developed an AI algorithm that accurately detects weak heart pumps using single-lead Apple Watch ECGs. The system has shown promising results, rivaling medical treadmill diagnostic tests in accuracy, and holds potential for scalable screening and prevention of heart failure.
A new study found that smartphones can harbor allergens such as cat and dog dander, β-D glucans, and endotoxin. Cleaning compounds like chlorhexidine/cetylpyridinium chloride and benzyl benzoate/tannic acid were effective in reducing these allergens.
A team of researchers from Rice University, Baylor College of Medicine, and Northern Illinois University are developing an open source system called FLASH to objectively measure children's screen-viewing behaviors. The five-year grant includes funding for three long-term studies on the impacts of screen use on young children.
Screen time increased by 52% during the pandemic, with significant increases for individuals ages 12-18 and handheld devices/personal computers.
A new study by MIT researchers shows that mobile phones can collect useful structural integrity data while crossing bridges. The study found that information about bridge vibrations can be extracted from smartphone-collected accelerometer data, and that this method could add years to a road bridge's lifespan. By leveraging crowdsourced...
Researchers at the University of Washington have developed a new hearing screening system using low-cost earbuds and smartphones, which performed as well as commercial devices and correctly identified patients with hearing loss. The tool can be used in countries where screening is not accessible due to high device costs.
Research found a hospital code response team arrives at least one minute quicker and leads to better patient outcomes with smartphone emergency code notification systems. The study used a secure texting system that connected with electronic medical records, reducing conventional methods' average delay of 78 seconds.
An automated texting program supported primary care patients after hospital discharge, resulting in significant reductions in acute care resource use. The patient-centered approach may serve as a model for improving post-discharge care.
Researchers used smartphone sensors to measure walking activity in 100,000 UK Biobank participants and developed predictive models of mortality risk. The study showed that just 6 minutes per day of steady walking measured by the sensor can accurately predict mortality risk, similar to physical measures.
Scientists developed new cyanopyrazine-based fluorophores that are 2.4 to 20 times more intense than analogues. The presence of a cyanogroup significantly increases the efficiency of OLEDs, leading to improved brightness.
Researchers used data from 100,000 UK Biobank participants to develop predictive models of mortality risk using only 6 minutes of steady walking collected by smartphone sensors. These models achieved similar accuracy to traditional measures of gait speed and walk pace.
A recent study published in eLife reveals that women, the elderly, those in rural areas, and those living in poverty are less likely to own a mobile phone, thereby excluding them from accessing mobile health (mHealth) services. The study highlights the need for digital transformation across Africa to ensure equitable access to healthcare.
A study of over 700 children aged 8-16 with concussions found that engaging in moderate screen time was associated with faster symptom clearance. The researchers suggest using moderation as the approach to screen time, rather than complete bans, to support concussion recovery.
A team of Illinois Tech researchers used machine learning to estimate the age and gender of individual users with high accuracy, raising questions about data security and privacy. The study highlights the need for better regulations and best practices to protect personal information from being misused.
A new study from San Diego State University's Fowler College of Business found that monitoring cellphone screen time with specific goals in mind can lead to higher perceived productivity and user satisfaction. However, excessive self-monitoring can induce fatigue and weaken the effect on productivity.
Researchers developed a smart mouthguard that translates complex bite patterns into instructions to control devices such as computers, smartphones and wheelchairs. The device achieves 98% accuracy and has the potential to support individuals with limited dexterity or neurological disorders.
A new study by the American Academy of Pediatrics found that teen drivers engage in risky behaviors such as speeding and handheld cellphone use. The study tracked the driving habits of 165 adolescents in Pennsylvania and found that these behaviors occurred in approximately 40% and 30% of trips, respectively.
Researchers developed a new technique that enables on-device training using less than a quarter of a megabyte of memory, reducing the need for powerful computers and central servers. This approach preserves privacy by keeping data on the device, making deep learning more accessible for low-power edge devices.
A machine learning model developed by Carnegie Mellon University can accurately predict how stay-at-home orders affect people with multiple sclerosis. The model uses passively gathered smartphone and fitness tracker data to identify factors that signal changes in health.
A new smartphone application, DryEyeRhythm, uses cameras to measure blink characteristics and administer questionnaires for diagnosing dry eye disease. The app has been validated in a study, showing high reliability and validity in assessing DED, with promising implications for early diagnosis and treatment.
Researchers found that smartphones and social media can exacerbate feelings of attachment and anomie, rather than providing purpose and meaning. Identifying a satisfying purpose in life can provide a protective effect against these negative effects.
Researchers reviewed mobile sensing designs, outcomes, and limitations to better understand its capacity for remote detection, longitudinal tracking, and exposure tracing. Despite technical and societal challenges, advances in data analytics and machine learning may improve data quality and scalability.
Researchers from Trinity College Dublin created synthetic rocks to study rare earth element formation. The study reveals that fluids containing REEs replace common limestone via complex reactions, shedding light on the mechanisms of rock formation and industrial separation processes.
Researchers have developed an algorithm that uses smartphone camera and flash to detect low blood oxygen levels. The method produced accurate results in 80% of the participants, showing promise for remote monitoring and early detection of conditions like COVID-19.
A rat study found that excessive blue light exposure is associated with earlier puberty onset, reduced melatonin levels, and increased reproductive hormones. This suggests a potential risk for childhood development and future fertility.
A study by University of Pittsburgh researchers found that older adults with consistent daily routines are happier, less depressed, and have better cognitive function. Participants who rose early, stayed active throughout the day, and followed a regular routine performed better on cognitive tests than those with disrupted patterns.
Researchers at the University of Washington developed AquaApp, a mobile app that enables underwater messaging on billions of existing smartphones and smartwatches using software. The app uses acoustic signals to transmit messages and can accommodate up to 60 unique users on its local network.
Researchers developed a silicon photodiode array for in-sensor processing, allowing for real-time image filtering and extraction of relevant visual information. The technology has potential applications in machine vision, bio-inspired systems, and intelligent imaging devices.
Researchers have developed highly sensitive and mass producible organic photodetectors that can detect weak signals. The new photodetectors exhibited a detectivity comparable to those of conventional silicon photodiodes, operating stably under temperatures above 150 °C.
A new study from the University of Florida finds that smartphones encourage consumers to prefer customized options, leading to increased self-expression and altered behaviors. The researchers suggest that companies should adapt their offerings based on device usage to tap into this trend.
Researchers developed a novel biologically-inspired intraoral camera with a wide-angle insect eye structure, increasing field of view and resolving optical aberrations. The device provides multifunctional dental imaging, including high dynamic range, 3D depth, and autofluorescence, without discomfort or image blur.