Expertini Research Research

Browse Research Papers

283+ open-access research outputs.

✕ Clear
🔍 case control studies 📂 Physics 📄 Peer-Reviewed
Showing 283 results for "case control studies" in Physics · Peer-Reviewed
Physics Peer-Reviewed PDF DOI

Aerosol boxes decrease aerosol exposure only in depressurized rooms during aerosol-generating procedures in a simulation study.

Wataru Sakai, Gen Hasegawa, Tomohiro Chaki, Shunsuke Tachibana, Michiaki Yamakage · 2021

The aim of this study was to compare aerosol exposure with or without an aerosol box in a pressurized/depressurized room during aerosol-generating procedures using an experimental model. Cake flour (a…

Read Paper →
Physics Peer-Reviewed PDF DOI

Respiratory droplet generation and dispersal during nasoendoscopy and upper respiratory swab testing.

Vanessa Y J Tan, Edward Z Y Zhang, Dan Daniel, Anton Sadovoy, Neville W Y Teo, Kimberley L Kiong, S T Toh, Heng-Wai Yuen · 2021

Respiratory particle generation and dispersal during nasoendoscopy and swab testing is studied with high-speed video and laser light illumination. Video analysis reveals droplet formation in three man…

Read Paper →
Physics Peer-Reviewed PDF DOI

Prediction of the Remaining Useful Life of Lithium-Ion Batteries Based on Dempster-Shafer Theory and the Support Vector Regression-Particle Filter

Hancheng Dong · 2021

Lithium-ion batteries (LIBs) have been widely used in various electronic equipment. The development of an effective method for predicting the remaining useful life (RUL) of LIBs can ensure the normal …

Read Paper →
Physics Peer-Reviewed PDF DOI

High optical enhancement in Au/Ag alloys and porous Au using Surface-Enhanced Raman spectroscopy technique.

C Awada, C Dab, M G Grimaldi, A Alshoaibi, F Ruffino · 2021

We report high optical enhancement in Ag/Au alloys and porous gold nanostructures using Surface Enhanced Raman Spectroscopy (SERS) technique. Scanning electron microscopy investigation shows the forma…

Read Paper →
Physics Peer-Reviewed PDF DOI

Photonics-Assisted Multi-Band Dual Linear/Nonlinear Chirp Waveform Generation Based on Optical Phase Modulation

Hongshi Zhao, Jianxin Ma · 2021

A novel photonic scheme for generating multi-band dual-chirp waveforms with linear or nonlinear chirp rates is proposed via two cascaded polarization modulators (PolMs) paralleled with a phase modulat…

Read Paper →
Physics Peer-Reviewed PDF DOI

Global, regional, and national burden of stroke and its risk factors, 1990-2019: a systematic analysis for the Global Burden of Disease Study 2019.

 · 2021

Regularly updated data on stroke and its pathological types, including data on their incidence, prevalence, mortality, disability, risk factors, and epidemiological trends, are important for evidence-…

Read Paper →
Physics Peer-Reviewed PDF DOI

Size-Specific Filtration Performance of N95 Respirators After Decontamination by Moist Heat Incubation.

Solbee Seo, Conor A Ruzycki, Bailey Johnson, Hui Wang, Reinhard Vehring, Dan Romanyk, Warren H Finlay, Andrew R Martin · 2021

Background: Decontamination and reuse of respirators have been proposed to mitigate the shortage of respirators during pandemics. The U.S. National Institute for Occupational Safety and Health (NIOSH)…

Read Paper →
Physics Peer-Reviewed PDF DOI

Germ-Free Mice Under Two-Layer Textiles Are Fully Protected From Bacteria in Sprayed Microdroplets: A Functional Test Method of Facemask/Filtration Materials.

Alex Rodriguez-Palacios, Mathew Conger, Fabio Cominelli · 2020

Several studies have measured the effectiveness of masks at retaining particles of various sizes in vitro . To identify a functional in vivo model, herein we used germ-free (GF) mice to test the effec…

Read Paper →
Physics Peer-Reviewed PDF DOI

Comparative Anticoagulant and Thrombin Generation Inhibitory Profile of Heparin, Sulodexide and Its Components.

Fakiha Siddiqui, Debra Hoppensteadt, Emily Bontekoe, Ambar Farooqui, Walter Jeske, Jawed Fareed · 2020

Sulodexide represents a mixture of fast-moving heparin (FMH) and dermatan sulfate (DS) and has been used for the management of venous diseases such as DVT and related disorders. The purpose of this st…

Read Paper →
Physics Peer-Reviewed PDF DOI

The Condition of Air Pollution in Kraków, Poland, in 2005-2020, with Health Risk Assessment.

Paulina Traczyk, Agnieszka Gruszecka-Kosowska · 2020

Air quality changes with human health risk assessment were investigated. The measurement results obtained by the Regional Environmental Protection Inspectorate (REPI) in Kraków and our deposited parti…

Read Paper →
Physics Peer-Reviewed PDF DOI

Ion-Induced Electrical Isolation in GaN-Based Platform for Applications in Integrated Photonics

Khurram Hussain, Ahmed Shuja, Muhammad Ali, Zubair Ibrahim, Qaiser Mehmood · 2019

GaN based Photonic Integrated Circuits (PICs) have now become a global contender for their wide range of applications owing their physical characteristics. The GaN material system acts as a promising …

Read Paper →
Physics Peer-Reviewed PDF DOI

Lean Mass and Fat Mass as Mediators of the Relationship Between Physical Activity and Bone Mineral Density in Postmenopausal Women.

 · 1970

BACKGROUND: The relationship between physical activity (PA) and bone health is well known, but the role of lean mass (LM) and fat mass (FM) in this relationship remains uncertain. Therefore, the aim o…

Read Paper →
Physics Peer-Reviewed PDF DOI

Intense exercise stimulates albumin synthesis in the upright posture.

 · 1970

We tested the hypothesis that an elevation in albumin synthetic rate contributes to increased plasma albumin content during exercise-induced hypervolemia. Albumin synthetic rate was measured in seven …

Read Paper →
Physics Peer-Reviewed PDF DOI

Determination of prolactin, growth hormone, beta-endorphin, and cortisol in both maternal plasma and amniotic fluid during human gestation.

 · 1970

This study focuses on PRL, GH, beta-endorphin and cortisol in maternal blood and amniotic fluid during human pregnancy. Maternal blood and amniotic fluid samples were obtained from 18 normal pregnant …

Read Paper →
Physics Peer-Reviewed PDF DOI

Angiotensin-converting enzyme 2 (ACE2) and ACE activities display tissue-specific sensitivity to undernutrition-programmed hypertension in the adult rat.

 · 1970

Human epidemiological studies have shown that low birth weight is associated with hypertension in adulthood. Rodent models of intrauterine growth retardation (IUGR) support these findings because offs…

Read Paper →
Physics Peer-Reviewed PDF DOI

Leaching of Cu and Zn from discarded boat paint particles into tap water and rain water.

 · 1970

We studied the leaching of copper and zinc from particles of discarded boat paint added to tap water (pH 7.3) and rain water (pH=4.7), simulating conditions encountered during the hosing or runoff of …

Read Paper →
Physics Peer-Reviewed PDF DOI

Mechanical properties of dewatered sewage sludge.

 · 1970

The mechanical properties of dewatered, anaerobically digested sewage sludge were determined from soil laboratory tests. The sludge material is largely composed of organic clay sized-particles, a siza…

Read Paper →
Physics Peer-Reviewed PDF DOI

Macromolecule absorption and cortisol secretion in newborn calves derived from in vitro produced embryos.

 · 1970

Earlier reports indicate that calves derived from in vitro produced (IVP) embryos are more susceptible to neonatal disease than calves produced after artificial insemination (AI) or natural mating. Th…

Read Paper →
Physics Peer-Reviewed PDF DOI

Osmotic regulation of vasopressin and renin in spontaneously hypertensive rats.

 · 1970

Abnormalities in the vasopressin and renin systems have been reported in spontaneously hypertensive rats (SHR). Therefore, studies were performed to evaluate the responsiveness of these systems to cha…

Read Paper →
Physics Peer-Reviewed PDF DOI

Photochemical assembly of gold nanoparticles utilizing the photodimerization of thymine.

 · 1970

Irradiation of UV light to the solution of gold nanoparticles modified with thymine units resulted in the formation of aggregates comprising chemical cross-linking gold nanoparticles through the photo…

Read Paper →
Page 1 of 15 Next →