Results 81 to 90 of about 1,101,190 (284)

A Surface‐engineered Microfluidic Device for Antibody‐Mediated Negative Selection of High‐Quality Sperm for Assisted Reproduction

open access: yesAdvanced Functional Materials, EarlyView.
This study reports a microfluidic device with a functionalized surface utilizing a polyoxazoline coating and covalently immobilized gold nanoparticles and anti‐phosphatidylserine antibody. The device efficiently eliminates pre‐apoptotic and apoptotic spermatozoa and yields sperm with substantially improved quality and low DNA damage, offering a simple ...
Soraya Rasi Ghaemi   +5 more
wiley   +1 more source

Insights into the Recent 2019 Novel Coronavirus (SARS-CoV-2) in Light of Past Human Coronavirus Outbreaks

open access: yesPathogens, 2020
Coronaviruses (CoVs) are RNA viruses that have become a major public health concern since the Severe Acute Respiratory Syndrome-CoV (SARS-CoV) outbreak in 2002.
Hossam M. Ashour   +3 more
doaj   +1 more source

From concept to delivery: a yeast-expressed recombinant protein-based COVID-19 vaccine technology suitable for global access

open access: yesExpert Review of Vaccines, 2023
Introduction The development of a yeast-expressed recombinant protein-based vaccine technology co-developed with LMIC vaccine producers and suitable as a COVID-19 vaccine for global access is described.
Peter J. Hotez   +22 more
doaj   +1 more source

Prediction of Intrinsic Disorder in MERS-CoV/HCoV-EMC Supports a High Oral-Fecal Transmission [PDF]

open access: yes, 2013
A novel coronavirus, MERS-CoV (NCoV, HCoV-EMC/2012), originating from the Middle-East, has been discovered. Incoming data reveal that the virus is highly virulent to humans.
Dunker, A. Keith   +2 more
core   +1 more source

Shaping Ti3C2 MXene Nanospheres for Precision Near‐Infrared Photothermal Therapy

open access: yesAdvanced Functional Materials, EarlyView.
In this study, we report producing spherical MXenes via fs laser fragmentation of Ti3C2 flakes in liquid medium. The nanoparticles demonstrated pronounced light absorption and high photothermal conversion efficiencies of 68% and 63% under heating with NIR‐I and NIR‐II lasers, respectively.
Julia S. Babkova   +21 more
wiley   +1 more source

A panoramic view of COVID-19: Epidemiology and challenges

open access: yesMuller Journal of Medical Sciences and Research, 2020
The rise of a novel disease agent is a complex situation that is fraught with fear and concern. The SARS-CoV-2 novel virus was identified in the Hubei province of China in December 2019, and since then, its rapid spread has become a matter of ...
Rhea Fernandez   +2 more
doaj   +1 more source

Transparent UV‐Curable Self‐Sanitizing Coatings Applicable to Diverse Surfaces and High‐Touch Screens to Mitigate Deadly Pathogen Transmission

open access: yesAdvanced Functional Materials, EarlyView.
Development of a transparent, self‐sanitizing antimicrobial coating technology applicable to a wide range of materials and surfaces‐including touchscreens, transparent substrates, and metal, plastic, and glass‐regardless of pathogen type. The spray‐coated, UV‐cross‐linked imidazole‐based quaternary ammonium chloride materials provide broad‐spectrum ...
Surjith Kumaran   +6 more
wiley   +1 more source

Neurons with larval synaptic targets pioneer the later nervous system in the annelid Malacoceros fuliginosus

open access: yesFrontiers in Neuroscience
Comparative studies on the development of nervous systems have a significant impact on understanding animal nervous system evolution. Nevertheless, an important question is to what degree neuronal structures, which play an important role in early stages,
Anna Seybold   +6 more
doaj   +1 more source

Measuring the impact of marginal tax rate reform on the revenue base of South Africa using a microsimulation tax model

open access: yesSouth African Journal of Economic and Management Sciences, 2015
This paper is primarily concerned with the revenue and tax efficiency effects of adjustments to marginal tax rates on individual income as an instrument of possible tax reform.
Yolande Jordaan, Nicholaas J Schoeman
doaj   +1 more source

Актуальные задачи психиатрической службы в связис пандемией COVID-19

open access: yesСовременная терапия психических расстройств, 2020
Ситуация пандемииCOVID19в мире,ухудшение эпидемическои обстановки в нашеи стране,режим самоизоляции,нарастание страха в об ществе на фоне панических слухов и дезинформации,распространяемых в социальных сетях и средствах массовои информации,вызывают ...
Мосолов, С.Н.
doaj   +1 more source

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