Results 101 to 110 of about 931,403 (297)

Poka: A Necro‐Robot Beetle with a Measured Payload Ratio of 6847%

open access: yesAdvanced Robotics Research, EarlyView.
Here, Poka, a necro‐robot beetle with the ability to carry more than 68 times its own weight, is introduced, making it also a walking robot with the highest payload ratio measured to date. This paper is concerned with the design, manufacture and validation of ‘Poka', a novel millimetre‐scale necro‐robot aimed at bridging the performance gap between ...
Yordan Tsvetkov, Parvez Alam
wiley   +1 more source

Snap and Jump: How Elastic Shells Pop Out

open access: yesAdvanced Robotics Research, EarlyView.
Indent an elastomeric shell and let it go. The spherical shells can store and release the elastic energy. Desktop‐scale experiments, material point method simulation, and analytical theory uncover the fundamental mechanism of soft jumping robots.
Takara Abe   +7 more
wiley   +1 more source

The prevalence of homelessness and its associated factors among people who inject drugs in Iran: results from nationwide bio-behavioral surveillance surveys in 2020 and 2023

open access: yesBMC Public Health
Background Homelessness among people who inject drugs (PWID) represents a significant and complex public health challenge. However, few studies have investigated the factors contributing to its prevalence, particularly in the Middle East and North Africa
Seyed Aria Nejadghaderi   +12 more
doaj   +1 more source

Single‐Layer Radially Compartmentalized Paper Chip (RCP‐Chip) for Rapid Isothermal Multiplex Detection of SARS‐CoV‐2 Gene Targets

open access: yesAdvanced Sensor Research, EarlyView.
The single‐layer RCP‐Chip enables rapid, multiplexed detection of SARS‐CoV‐2 RNA using RT‐LAMP and gold nanoparticle‐enhanced colorimetric readouts. After sample loading, amplification occurs within radially arranged chambers, allowing simultaneous detection of E and N genes.
Pavithra Sukumar   +3 more
wiley   +1 more source

Selective Co‐Assembly of Water‐Soluble Conjugated Polyelectrolyte with Discernable Fluorescence Modulation for Antibiotic Detection

open access: yesAdvanced Sensor Research, EarlyView.
PQx‐Ph, a water‐soluble conjugated polyelectrolyte, enables rapid and selective fluorescence‐based detection of structurally distinct antibiotics via supramolecular assembly modulation. It achieves nanomolar sensitivity under mild conditions and preserves reliable sensing performance across NOM‐rich and biologically relevant water matrices, supporting ...
Hyena Ji   +7 more
wiley   +1 more source

Innovative Integration of Layered Carbon Materials in Biopolymer Fibrous Membranes for Sustainable Water Treatment

open access: yesAdvanced Sustainable Systems, EarlyView.
This review explores the progressive design of biopolymer‐based fibrous membranes enhanced with layered carbon materials such as MXene, graphene oxide, and carbon nanotubes. It highlights how their integration significantly boosts water filtration performance, selectivity, and antifouling properties.
Sanaz Khademolqorani   +10 more
wiley   +1 more source

Anisotropic Surface Microrollers for Endovascular Navigation: A Computational Analysis with a Case Study in Hepatic Perfusion

open access: yesAdvanced Theory and Simulations, EarlyView.
Computational fluid dynamics analyses assess the upstream locomotion performance of anisotropic microrollers with varying height‐to‐width ratios. Observing their successful upstream locomotion in veins, their performance in hepatic circulation is investigated for treating primary liver cancer.
Burak Arslan   +8 more
wiley   +1 more source

Surveillance and Safety [PDF]

open access: yesThe Journal of the American Dental Association, 2020
openaire   +3 more sources

Fibronectin Fibers Progressively Lose Their Tension in Invasive Human Breast Carcinoma while Being Tensed in DCIS and Healthy Breast Tissue

open access: yesAdvanced Science, EarlyView.
Extracellular matrix remodeling is crucial in cancer progression. Using a peptide to probe the tension of ECM fibers, it was found that Fibronectin fibers gradually lose tension as human breast carcinoma progresses, while their tension is maintained in ductal carcinoma in situ (DCIS), the non‐invasive precursor of breast cancer. This loss of tension is
Arnaud Miéville   +6 more
wiley   +1 more source

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