scispace - formally typeset
Search or ask a question

How are experiments with virus with aerosol performed? 


Best insight from top research papers

Experiments with aerosolized viruses are performed using various methods. One approach involves using simulation models to mimic virus infection and measure the concentration of virus droplet aerosols inside and outside masks in real time, providing information on mask protection rates and respiratory protection . Another method involves developing aerosol filter media made of granular material, such as whey protein nanofibrils and iron oxyhydroxides nanoparticles, which have high filtration efficiencies for both enveloped and non-enveloped viruses . In animal models, aerosol inhalation methods have been established for infecting animals with influenza viruses, including nonhuman primates, allowing for broader infection throughout the lungs . Additionally, a bioaerosol experiment system has been developed to measure virus stability, where virus-laden droplets are generated, evaporated, and suspended for a designed period to evaluate virus exposure risks in indoor environments . Another technique involves the detection of aerosolized viruses using field-effect-transistor-based methods, where virus-antibody-bound particles are delivered to the transistor during detection, indicating the presence of a virus .

Answers from top 5 papers

More filters
Papers (5)Insight
The paper describes a technique for the detection of aerosolized viruses using electro-aerodynamic deposition. The virus and antibody solutions are mixed, aerosolized, and then charged using a corona discharge.
The paper describes the development of a bioaerosol experimental system for virus stability measurement. The system involves generating virus-laden droplets using a Collison nebulizer, evaporating the droplets in a mixing chamber, and then suspending the droplet nuclei in a Goldberg Drum for sampling and stability measurement. The experiments involve controlling temperature, humidity, and particle size throughout the process.
The paper describes the experimental infection of cynomolgus macaques with a highly pathogenic H5N1 influenza virus through the aerosol route using a nebulizer.
The experiments with virus aerosols were performed using a compact experimental setup with a filtration holder, compressed air tanks, and a nebulizer unit. Virus-containing solutions were nebulized and carried through the filtration media, and the trapped aerosols were analyzed for infectivity and genome count.
Experiments with virus aerosol are performed using a virus droplet aerosol infection interactive simulation experiment system, which includes simulation models of infected and healthy individuals, masks, respirators, and particle counters.

Related Questions

What viruses have been cultured in pulmonary air-liquid interface cultures?4 answersRespiratory viruses such as Human coronavirus NL63 (HCoV-NL63), SARS-CoV-2 causing Covid-19, and Epstein-Barr virus (EBV)have been cultured in pulmonary air-liquid interface (ALI) cultures. These ALI models, derived from immortalized and primary cells, are utilized to study various respiratory infections, including HCoV-NL63 and SARS-CoV-2, which utilize the ACE2 receptor for cell entry. Additionally, ALI cultures have been instrumental in investigating EBV infection in the nasopharyngeal epithelium, demonstrating susceptibility to EBV in pseudostratified epithelium cells. The use of ALI cultures provides a valuable tool for studying viral infections in the respiratory tract, aiding in understanding pathophysiology, disease mechanisms, and potential therapeutic interventions.
What are the new technologies to produce virus-like particles?5 answersNew technologies for producing virus-like particles (VLPs) involve various systems like mammals, plants, insects, and bacteria, each offering advantages such as high protein yield, post-translational modifications, and multi-protein surface formation on VLPs. These VLPs, resembling native virus capsids, can self-assemble and mimic viral structures without the viral genome, making them non-infectious yet capable of retaining the transduction potential of parental viruses for diverse biomedical applications. Additionally, the self-assembly of VLPs is influenced by interactions like protein-cargo and protein-protein, modulated by environmental factors such as pH and ionic strength, impacting VLP stability and structure. These advancements in VLP production technologies highlight their potential in drug delivery, genetic therapy, cellular targeting, and cancer treatment.
I.What is Virus-Like Particles?5 answersVirus-like particles (VLPs) are nanoscale, self-assembling cage structures made out of proteins with practical uses in biomedicine. They can be used to create better vaccinations, imaging equipment, gene and drug therapy delivery systems, and in vitro diagnostic equipment. VLPs are natural nanoparticles from animal and plant viruses and bacteriophages, and they have several advantages such as morphological uniformity, biocompatibility, reduced toxicity, and easy functionalization. They can deliver active ingredients to the target tissue and have great potential as a nanocarrier to overcome the limitations associated with other nanoparticles. VLPs are safe and effective immune stimulators and play important roles in vaccine development. They have self-assembling nanoscaled structures, repetitive surface epitopes, ease of genetic and chemical modifications, versatility as antigen presenting platforms, and higher safety profile compared to other vaccine types. VLPs have also been explored as nanocarriers for cargo delivery, protecting cargo molecules from degradation and mediating their release into cells. They have shown promise in delivering biomolecules and drugs intracellularly. VLPs have diverse applications in various fields, including vaccines, imaging agents, nanobioreactors, cancer treatment approaches, and drug and enzyme delivery.
How do aerosols impact precipitation?4 answersAerosols impact precipitation through various mechanisms. They can increase the condensation of water vapor and the formation of cloud droplets, leading to enhanced precipitation. Aerosols can also contribute to the vapor deposition of snow and provide resources for the growth of snow particles, resulting in more and larger snowfall. Additionally, aerosols can affect the microphysics and dynamics of clouds, reducing the efficiency of warm rain formation across different cloud regimes. The overall impact of aerosols on precipitation is still uncertain and depends on factors such as aerosol concentration, geographic distribution, and the specific characteristics of the convective system. Further research is needed to better understand the complex interactions between aerosols, clouds, and precipitation.
What is know about the environmental factors on virus-loaded aerosols?5 answersEnvironmental factors such as temperature, humidity, and fluid complexity have been found to impact virus-loaded aerosols. Higher relative humidity, longer spreading time, and greater dispersal distance have been shown to significantly reduce the loads of SARS-CoV-2 pseudovirus in aerosols. Additionally, the size and phase changes of aerosolized droplets composed of salts and mucin under different atmospheric conditions have been studied, highlighting the importance of accounting for changes in the micro-environment of aerosols undergoing evaporation and condensation to study the viability of airborne viruses. Furthermore, the development of an aerosol filter made of granular material based on whey protein nanofibrils and iron oxyhydroxides nanoparticles has shown remarkable filtration efficiencies for both enveloped and non-enveloped viruses, including SARS-CoV-2. These findings contribute to our understanding of the impact of environmental factors on the transmission and filtration of virus-loaded aerosols.
If we mix any virus into perfume will it become airborne virus8 answers