Results 51 to 60 of about 987,917 (286)

Accident Analysis of Ice Control Operations [PDF]

open access: yes, 1992
Highway maintenance involves all work necessary to assure that the highway system is kept safe, open to traffic, and in proper working order. During winter, the removal of snow and ice from streets, roads, and highways is a major maintenance operation ...
Hanbali, Rashad, Kuemmel, David
core   +1 more source

Sustainable Catalyst‐Free PLG Networks: Recyclability, Biodegradability, and Functional Performance

open access: yesAdvanced Functional Materials, EarlyView.
A catalyst‐additive free covalent adaptable network is developed from star‐shaped poly(lactide‐co‐glycolide) cross‐linked with pyromellitic dianhydride, enabling internal carboxylic acid‐driven transesterification. The resulting biodegradable network exhibits mechanical robustness (Young's modulus ≈1.6 GPa), complete recyclability, rapid biodegradation
Lars Schwarzer   +2 more
wiley   +1 more source

Preliminary analysis of fuel tank impact [PDF]

open access: yes, 2004
Following the accident involving the Air France Concorde in 2000 the effects of fluid structure interactions resulting from the impact of a fluid filled tank has become a cause for concern.
Moatamedi, M   +3 more
core   +1 more source

A Hybrid Approach to Investigating Factors Associated with Crash Injury Severity: Integrating Interpretable Machine Learning with Logit Model

open access: yesApplied Sciences
Understanding the determinants of crash injury severity is essential for developing effective safety strategies and reducing traffic-related losses. This study proposes a hybrid analytical framework that integrates interpretable machine learning with ...
Chenxi Wang, Thierry Serre
doaj   +1 more source

LL‐37 Driven Phase Transition and Stacking in Oligolamellar Gram‐Negative Bacterial Membrane Models

open access: yesAdvanced Functional Materials, EarlyView.
This work establishes oligolamellar bacterial membrane models to investigate how LL‐37 disrupts the complex dual‐bilayer architecture of Gram‐negative bacteria. Combining SAXS, cryo‐TEM, electrophoretic mobility measurements, and coarse‐grained simulations, it reveals cardiolipin‐driven phase transitions leading to bicelle‐like structures and membrane ...
Bettina Tran   +5 more
wiley   +1 more source

Traffic Accident Blackspot Identification and Ambulance Fastest Route Mobilization Process for the City of Surakarta [PDF]

open access: yes, 2012
Quickly and precisely treatment in traffic accident is one way to avoid the risk of death victims. Therefore, it's necessary to determine the fastest route from the traffic accident locations to the nearest hospital.
Budiharto, U. (Utoyo)   +2 more
core  

Incidence and costs of unintentional falls in older people in the United Kingdom [PDF]

open access: yes, 2003
STUDY OBJECTIVE: To estimate the number of accident and emergency (A&E) attendances, admissions to hospital, and the associated costs as a result of unintentional falls in older people. DESIGN: Analysis of national databases for cost of illness. SETTING:
Chaplin, S., Legood, R., Scuffham, P.
core   +2 more sources

Bioprinting Organs—Science or Fiction?—A Review From Students to Students

open access: yesAdvanced Healthcare Materials, EarlyView.
Bioprinting artificial organs has the potential to revolutionize the medical field. This is a comprehensive review of the bioprinting workflow delving into the latest advancements in bioinks, materials and bioprinting techniques, exploring the critical stages of tissue maturation and functionality.
Nicoletta Murenu   +18 more
wiley   +1 more source

The Development of a Comprehensive Database for Accident Analysis. [PDF]

open access: yes, 1992
The Road Safety Code of Good Practice states that highway authorities should consider obtaining supplementary road safety data, to give a better assessment of the level of under-reporting and to improve the safety studies they undertake.
Austin, K.P.
core  

High‐Throughput Generation of Tumor Spheroids via Droplet Microfluidics for siRNA‐Loaded Nanomedicine Assessment

open access: yesAdvanced Healthcare Materials, EarlyView.
A droplet microfluidic platform is employed to enable high‐throughput, uniform tumor spheroid generation for evaluating siRNA‐loaded nanomedicines at the protein level. As a proof of concept, breast (MCF‐7) and brain (U87 MG) cancer cell lines are investigated using this platform, revealing penetration profiles and therapeutic responses between the two
Ling Liu   +4 more
wiley   +1 more source

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