ライフサイエンスコーパス: aerosol

1 orbs DEHP more efficiently than aged organic aerosol.

2 ered lasers that can degrade light-absorbing aerosol.

3 s as the gas phase, fine aerosol, and coarse aerosol.

4 due to the generation of surgical smoke, an aerosol.

5 presence of toxic metals in the e-liquid and aerosol.

6 lain the rapid loss of IONO(2) to background aerosol.

7 masses were characterized by aged combustion aerosol.

8 quantitative TD-CRDS response to NH(4)NO(3) aerosol.

9 ) efficiently inactivate coronaviruses in an aerosol.

10 ffect the survival of many microorganisms in aerosols.

11 ditional warming due to the direct impact of aerosols.

12 pension matrix on stability of SARS-CoV-2 in aerosols.

13 adings of isoprene-derived secondary organic aerosols.

14 were performed utilizing methods to mitigate aerosols.

15 to remote areas of the ocean via atmospheric aerosols.

16 processing and health effects of atmospheric aerosols.

17 ely linked to the representation of volcanic aerosols.

18 oles in modulating properties of atmospheric aerosols.

19 by procedures that could generate infectious aerosols.

20 the radiative forcing of climate by organic aerosols.

21 lth effects of exposures to secondhand e-cig aerosols.

22 s (R(2) = 0.66), as well as with independent aerosol (0.59) and wet deposition measurements (0.57).

23 Cooling due to aerosols (-100 to -300 mW m(-2)) is concentrated over de

24 tration in the liquid (5.4 vs. 1.6 wt.%) and aerosol (4.7 and 1.3 wt.%).

25 adation increased, indicating an increase in aerosol acidity at smaller particle diameters.

26 Aerosol acidity largely regulates the chemistry of atmos

27 In this study, we evaluated i.m., aerosol (Aer), and simultaneous systemic and respiratory

28 n flow chamber experiments involving sulfite aerosol and gas-phase glyoxal with only 1 min residence

29 em to pose specific risks for the genesis of aerosol and thus should be the focus of attention.

30 s likely controlled by heterogeneous loss to aerosol and uptake to clouds in the morning and evening.

31 ver, noroviruses have recently been found in aerosols and airborne transmission has been suggested.

32 and growth of atmospheric secondary organic aerosols and atmospheric OH recycling.

33 it a carbonate platform and released sulfate aerosols and dust into Earth's upper atmosphere, which c

34 This carbon, together with sulfate aerosols and dust, initiated an impact winter and global

35 y alter the pH values of atmospheric aqueous aerosols and HMHSi is the most abundant species among HM

36 nd ozone and direct radiative forcing due to aerosols and ozone.

37 ost, radiation, precipitation, deposition of aerosols and particles, attacks by microbes and arthropo

38 s increases the light absorption of wood tar aerosols and shortens their absorption lifetime under da

39 cedural generated spray emissions (including aerosols and splatters), for severe acute respiratory sy

40 ty of bacteria and viruses in both suspended aerosols and stationary droplets using traditional cultu

41 mental studies have cultured live virus from aerosols and surfaces hours after inoculation, the real-

42 es separate compartments for fine and coarse aerosols and the gas phase and study its sensitivity to

43 ichments likely record the global fallout of aerosols and/or ash particles during the eruptions of th

44 ibutions of emissions as the gas phase, fine aerosol, and coarse aerosol.

45 positions of mainstream and secondhand e-cig aerosols, and associated respiratory and cardiovascular

46 oid levels in e-cigarette liquid (e-liquid), aerosols, and biosamples of e-cigarette users across e-c

47 n metals/metalloids in e-liquid, e-cigarette aerosols, and biosamples of e-cigarette users.

48 n metals/metalloids in e-liquid, e-cigarette aerosols, and human biosamples of e-cigarette users.

49 ear Antarctica, where precipitation sinks of aerosol are small, the underestimation by climate models

50 E-cigarette aerosols are exceedingly different from conventional tob

51 oncentrations of chemical compounds in e-cig aerosols are generally lower than those in t-cig smoke,

52 Anthropogenic aerosols are hypothesized to enhance planetary albedo an

53 -time aging on the optical properties of BrC aerosols are less known.

54 The NO(3)(*)-aged wood tar aerosols are more susceptible to photolysis than to OH(*

55 and for the absorbance of the NO(3)(*)-aged aerosols are on the order of hours under typical solar i

56 ques, such as the filter inlet for gases and aerosols, are widely employed to investigate the molecul

57 of potassium sulfate and potassium chloride aerosol as well as the separation RH (SRH) for a multico

58 pollution, including high concentrations of aerosols, as well as gaseous pollutants.

59 arent Ga doped ZnO thin films were grown via aerosol assisted chemical vapor deposition.

60 Sea spray aerosol at the coastal site was frequently internally mi

61 nlight on the survival of influenza virus in aerosols at both 20% and 70% relative humidity using an

62 emical analysis of pharmaceutical inhalation aerosols at the individual particle level has been an an

63 C tank ECIG (0.5 Omega) was used to generate aerosols at varying powers (5-45 W) from liquid solution

64 degrees C) and ammonium nitrate (NH(4)NO(3)) aerosol (at 540 degrees C) to nitrogen dioxide (NO(2)),

65 nsformations of biomass burning brown carbon aerosols (BB-BrC) over their diurnal lifecycle are curre

66 Custom-built, low-cost aerosol black carbon detectors (ABCDs) provided 100 days

67 the mass absorption coefficient (MAC) of the aerosols by a factor of 2-3 by forming secondary chromop

68 Atmospheric aerosols can assume liquid, amorphous semi-solid or glas

69 Aerosols can enhance the coverage, reflectance, and life

70 which has not been identified in atmospheric aerosols, can emerge as the product of aqueous reactions

71 ted our top candidates in a live C. burnetii aerosol challenge model in C56BL/6 mice and found that s

72 t against disease following stringent lethal aerosol challenge of mice with highly pathogenic EEEV.

73 Following aerosol challenges, lung function was determined by whol

74 an environmentally controlled rotating drum aerosol chamber.

75 elihood model (7-day forecast) using general aerosol characteristics and measured meteorological cond

76 ere quantified based on highly time-resolved aerosol chemical composition and absorption measurements

77 ed process studies of aerosol production and aerosol-cloud interactions in pristine environments.

78 uberculosis from respirable, cough-generated aerosols compared to patients with drug-susceptible TB,

79 ines emit higher levels of black carbon (BC) aerosols compared to traditional port fuel injection (PF

80 surements of size-resolved concentrations of aerosol components across ocean waters next to the Antar

81 tem enable unambiguous identification of the aerosol components' molecular composition and allow a cl

82 studies show that BC, when mixed with other aerosol components, absorbs more strongly than pure, unc

83 -Newtonian fluid dynamics in model sea spray aerosol composed of NaCl, CaCl(2), and sorbitol.

84 pact of the sympagic planktonic ecosystem on aerosol composition has been overlooked in past studies,

85 Measured aerosol concentration did not significantly increase wit

86 the relationship between cloud lifetime and aerosol concentration has been challenging to measure fr

87 imately 10(2) CFU/mL and the total bacterial aerosol concentration was determined in real time based

88 t number concentration implies preindustrial aerosol concentrations were higher than estimated by mos

89 n of isoprene as they partition to a bimodal aerosol consisting of an Aitken (potassium sulfate) and

90 pigs infected with an H3.2010.1 H3N2 IAV and aerosol contact ferrets.

91 n was initially surprising because secondary aerosol contributes the vast majority of PM(2.5) mass.

92 Short-term (aerosol cooling) volcanism still allows equatorial habit

93 water-soluble organics in cloud droplets and aerosols create insoluble and soluble products of emergi

94 is currently known regarding the physics of aerosol creation, (2) the types of environmental contami

95 Effective treatment largely abrogated cough aerosol culture positivity; however, this was not always

96 e patients with drug-resistant TB were cough aerosol culture-positive.

97 Compared with intradermal or aerosol delivery, intravenous immunization induced subst

98 ian industrial sources and confirming recent aerosol deposition.

99 ved in the region that is most influenced by aerosol deposition.

100 Charged aerosol detection (CAD), whose response is proportional

101 the ammonium ion concentration on 10-50 mum aerosol droplet pH was quantified using pH nanoprobes an

102 The virus is transmitted through aerosol droplets, and causes severe acute respiratory sy

103 ungs of rats using a modified vibrating mesh aerosol drug delivery system.

104 2 agonist, for targeted pulmonary inhalation aerosol drug delivery.

105 itical care specialist assessed the risk for aerosol during lung resection surgery and proposed steps

106 ed source of INPs in natural biomass-burning aerosol emissions in addition to lofted primary soil and

107 in starting 4 weeks prior or concurrent with aerosol exposure to the H37Rv strain of Mtb.

108 the direct infusion analysis of atmospheric aerosol extracts.

109 slands, and South Georgia Island, evidencing aerosol features associated with distinct eco-regions.

110 the unpredictable nature of future volcanic aerosol forcing, it is suggested that a large portion of

111 ion and high retention of infectivity in the aerosol form.

112 , impacting processes like secondary organic aerosol formation, and need to be understood at a single

113 xidizing capacity and facilitating secondary aerosol formation.

114 mperature and viscosity of secondary organic aerosol formed from the oxidation of [Formula: see text]

115 cal processing show that over 70% of organic aerosol from biomass burning is substantially influenced

116 Wet and dry deposition remove aerosols from the atmosphere, and these processes contro

117 cally different from that of bubble-bursting aerosols from the tank experiments-suggesting a selectiv

118 night-time NO(3) radical chemistry with tar aerosols from wood pyrolysis was investigated in a flow

119 ported metal/metalloid levels in e-cigarette aerosols (from cig-a-like and tank devices), and 4 studi

120 We used a semivolatile thermal desorption aerosol gas chromatograph (SV-TAG) and filter samplers t

121 surements by semivolatile thermal desorption aerosol gas chromatography (SV-TAG) were used to investi

122 ing in very different characteristics of the aerosol generated.

123 e reported the presence of microorganisms in aerosols generated by ultrasonic scalers and high-speed

124 n cancer risk were assessed by production of aerosols generated using a smoking machine and analyzed

125 lacking, clinicians are reticent to perform aerosol-generating bronchoalveolar lavages for galactoma

126 ver, upper airway endoscopy is considered an aerosol-generating procedure in professional guidelines,

127 ositive-pressure ventilation do not increase aerosol generation from the respiratory tract in healthy

128 The amount of aerosol generation from the respiratory tract with these

129 HCP who participated in an aerosol generation procedure (AGP) at least once during

130 Aerosol generation was measured with each oxygen mode wh

131 Rationale: Aerosol generation with modes of oxygen therapy such as

132 aerosol (SOA) can have a profound impact on aerosol growth and size distribution dynamics.

133 with only 1 min residence times, significant aerosol growth is observed.

134 Secondary aerosols (>30 nm) formed in chambers were not observed i

135 database of more than 600 sites where Se in aerosol has been measured.

136 sers worldwide, secondhand exposure to e-cig aerosols has become a serious public health concern.

137 nlight on the survival of influenza virus in aerosols has not been previously quantified.

138 Exposures to mainstream e-cig aerosols have biologic effects but only limited evidence

139 Atmospheric sulfate aerosols have important impacts on air quality, climate,

140 related to our understanding of atmospheric aerosol impacts on climate and health.

141 ac physiology, acute exposure to e-cigarette aerosols in human subjects led to increased blood pressu

142 SFs for nontransitioned aerosols in the RH(<E), RH(E-D), and RH(>D) zones were 0

143 led Gram-positive and Gram-negative bacteria aerosols in vitro, with CFU reductions observed as early

144 h a lethal dose of Y. pestis delivered as an aerosol, in 4 independent studies in 3 laboratories.

145 he global combined anthropogenic and natural aerosol indirect effect by -0.63 W m(-2) Our observation

146 Aerosol indirect effects are one of the leading contribu

147 unts for the bulk (roughly 3/4) of the total aerosol indirect radiative forcing estimate.

148 diative transfer simulations to estimate the aerosol-induced public health and direct radiative effec

149 mental measurements carried out after murine aerosol infection with the virulent SCHU S4 strain of th

150 oculum, varying the time between priming and aerosol infection, and testing MAIT cell priming in nitr

151 The working group divided the risk for aerosol into 6 time-points: (1) intubation and extubatio

152 SFs were also measured for aerosols introduced directly into the RH(<E), RH(E-D), a

153 ative to a parallel TD-CRDS channel in which aerosol is removed by in-line filtering.

154 The acidity of atmospheric aerosols is a critical property that affects the chemist

155 er chemistry of HULIS in ambient atmospheric aerosols is unlikely to be a significant source of secon

156 -cost PT sensors were fully printed using an aerosol jet printer and conductive inks of Ag nanopartic

157 Taking advantage of the 3D conformal aerosol jet printing technique, a series of UV sensors o

158 the atmosphere, and these processes control aerosol lifetime and thus impact climate and air quality

159 t that decreases across the CONUS are due to aerosol liquid water (ALW) chemistry.

160 ss-burning phenols in cloud/fog water versus aerosol liquid water.

161 at freshwater systems may impact atmospheric aerosol loading more than previously understood.

162 epend on the particle size distributions and aerosol loadings in the different environmental scenario

163 Lake spray aerosol (LSA) released from freshwater lakes has been id

164 We enumerated the colony forming units in aerosols (<=10 um) from 452 patients with TB (227 with d

165 model explain the variability in the organic aerosol mass (R(2) = 0.68) and O/C (R(2) = 0.69) enhance

166 were characterized by two distinct kinds of aerosol mass concentration growth processes: accumulativ

167 e and e-cigarette devices delivering greater aerosol mass increase nicotine delivery and product liki

168 ne ozonolysis SOA for which increased filter aerosol mass loading is shown to slow the evaporation ra

169 One 3D print with PLA resulted in an aerosol mass size distribution with a peak at ~300 nm.

170 surements using advanced instruments such as Aerosol Mass Spectrometer and the major contributor to o

171 Aerosol mass spectrometry improves the time resolution o

172 gh surfactants are an important component of aerosol mass, the surface tension of activating aerosol

173 aerosols, to contribute to secondary organic aerosol mass.

174 be a significant source of secondary organic aerosol mass.

175 Nicotine concentrations in the aerosols matched those of the parent liquids for both th

176 The composition of the nonrefractory aerosol measured with the ACSM was similar during plume

177 , have remained unidentified since the first aerosol measurements in 1991.

178 ilization, and heat treatment, which enables aerosol-mediated delivery of this potent neutralizer dir

179 hting the online measurement capabilities of aerosol metals with a LoD lower than those of ICP-MS.

180 ndence of particle viscosity for atmospheric aerosol mimics are needed to thoroughly validate the pre

181 ven parameterization for regional and global aerosol models.

182 re safe and confer superior immunity against aerosol Mtb infection in the context of T2D.

183 Using emission parameters optimized by aerosol network measurements, our model shows good agree

184 Concentrations of aerosol nitrate are determined by difference relative to

185 le ambient air measurements of pON and total aerosol nitrate in Calgary are presented.

186 The evolution of organic aerosol (OA) and brown carbon (BrC) in wildfire plumes,

187 niques for the online measurement of organic aerosol (OA) composition are subjected to either thermal

188 Reducing the amount of organic aerosol (OA) is crucial to mitigation of particulate pol

189 Using the iKnife to sample the aerosol of cauterized specimens, we demonstrate a new mo

190 ignificant enhancements in secondary nitrate aerosol, of which 50 to 60% is estimated to be organic.

191 Oxidized organic aerosol (OOA) is a major component of ambient particulat

192 of COVID-19 on air pollution using NO(2) and Aerosol Optical Depth (AOD) from TROPOMI and MODIS satel

193 to-cumulus transition zone are stratified by aerosol optical depth and meteorology.

194 -time pH measurements of microdroplets using aerosol optical tweezers (AOT) and analysis of the whisp

195 airborne samples collected (spatter, settled aerosol, or harvested air), the presence and type of at-

196 the importance of anthropogenic and volcanic aerosols over GHG in generating forced Sahel rainfall va

197 rofoundly affect the composition of the fine aerosols over the IGP region.

198 ith preferably size-resolved measurements of aerosol particle composition, together with the appropri

199 Electronic (e-) cigarette aerosol (particle and gas) is a complex mixture of chemi

200 Human emissions of fluorescent aerosol particles (FAPs) can influence the biological bu

201 o and the critical saturation ratio at which aerosol particles activate or become droplets.

202 robe the microrheological characteristics of aerosol particles and explore gel formation under atmosp

203 on formation slows at 50-60% RH and when the aerosol particles are acidified with sulfuric acid but s

204 Aerosol particles become cloud droplets when the ambient

205 e measured outward emissions of micron-scale aerosol particles by healthy humans performing various e

206 ns were identified in freshwater, as well as aerosol particles generated in the laboratory from Mona

207 The uptake to acidic aerosol particles greatly increased for a binary mixture

208 rial vehicle (UAV) that images free-floating aerosol particles in the atmosphere.

209 osol mass, the surface tension of activating aerosol particles is still unresolved, with most climate

210 e atmosphere and a source of new atmospheric aerosol particles of potentially global significance.

211 In situ evaporation of aerosol particles suggests that alpha-pinene-derived hyd

212 is transmitted through inhaled droplets and aerosol particles, thus posing an inhalation threat even

213 t gel phase transitions can be identified in aerosol particles, with MgSO(4) abruptly transitioning t

214 and chemical effects on the size spectrum of aerosol particles.

215 e to map the drug distribution in individual aerosol particles.

216 id and sulfate salts are major components of aerosol particles.

217 minerals in both the bottom ash and emitted aerosol particles.

218 rection on how drug distribution affects the aerosol performance of powders and the consistency of do

219 drug-excipient interactions that affect the aerosol performance of powders.

220 Black carbon (BC) aerosols perturb climate and impoverish air quality/huma

221 Our results imply that aerosol pH and atmospheric multiphase chemistry are stro

222 on play a more important role in determining aerosol pH in ammonia-buffered regions than variations i

223 eric particles, and resolving the drivers of aerosol pH is key to understanding their environmental e

224 experiments in a photochemical chamber, with aerosol-phase humic acid as the photosensitizer and limo

225 chemistry is efficient under a wide range of aerosol physical states and chemical composition.

226 Black carbon (BC) aerosol plays an important role in the Earth's climate s

227 are abundantly present in both ambient fine aerosol (PM(2.5)) and laboratory-generated isoprene SOA.

228 ng consists of mineral dust, soot particles, aerosols, pollen, fungi and/or other contaminants that d

229 In this study, the aging of BB tar proxy aerosols processed by NO(3)(*) under dark conditions fol

230 tes the need for detailed process studies of aerosol production and aerosol-cloud interactions in pri

231 ime of methane, and increases in atmospheric aerosol production, all of which affect the global energ

232 ic variation, would predict culturable cough aerosol production.

233 tion as refrigerants, foam expansion agents, aerosol propellants, and precision solvents.

234 s currently missing in model calculations of aerosol radiative forcing.

235 ted air), the presence and type of at-source aerosol reduction methods (high-volume evacuators, low v

236 Aerosols represent a potential transmission route of COV

237 Night-time aging of BrC aerosols represents an important source of secondary BrC

238 dark diminishes light absorption of wood tar aerosols, resulting in higher particle single-scattering

239 bstances (HULIS), extracted from atmospheric aerosols, retain the compositional complexity of real-wo

240 ein concentrations (doped into the nebulized aerosol) reveals that the reduction in viable PRCV is pr

241 pathogenic potential of NiV delivered by the aerosol route in African green monkeys (AGMs) used the M

242 In recent years, spray aerosol (SA) produced in the airshed of the Laurentian G

243 Data from the same aerosol sample extracts analyzed using nanoelectrospray

244 n on-chip analysis system integrated with an aerosol sampler and Raman spectrometer.

245 this bioaerosol sensing technique, we tested aerosol samples collected from Bern (urban station), Bas

246 and nano-ESI for the analysis of atmospheric aerosol samples in the negative ionization mode.

247 terial profiling of boundary layer shipboard aerosol samples obtained during an Austral summer resear

248 For metal/metalloid levels in e-liquid and aerosol samples, we collected the mean and standard devi

249 exploring model scenarios for seven generic aerosol scenarios representing different environments an

250 nts, our model shows good agreement with the aerosol Se observations (R(2) = 0.66), as well as with i

251 neral components produced in biomass-burning aerosol should also be studied in relation to other atmo

252 ons of isoprene leading to secondary organic aerosol (SOA) are still not fully understood, including

253 water-soluble fraction of secondary organic aerosol (SOA) arising from the ozonolysis of alpha-pinen

254 e of a viscous atmospheric secondary organic aerosol (SOA) can have a profound impact on aerosol grow

255 e of molecular products in secondary organic aerosol (SOA) derived from monoterpene oxidation.

256 hropogenic emissions alter secondary organic aerosol (SOA) formation chemistry from naturally emitted

257 Yields of secondary organic aerosol (SOA) formation from oxidation of volatile organ

258 photochemical formation of secondary organic aerosol (SOA) from biomass-burning emissions observed in

259 h chemical aging, can form secondary organic aerosol (SOA) in both the gas and aqueous phases.

260 evealed enhanced levels of secondary organic aerosol (SOA) in source-rich urban environments.

261 The production rate of secondary organic aerosol (SOA) under typical noon-time OH concentrations

262 sicochemical properties of secondary organic aerosol (SOA).

263 r oxidants associated with secondary organic aerosols (SOA), the kinetics and reaction mechanisms of

264 es, and multiple eco-regions act as distinct aerosol sources around Antarctica.

265 een products, formulated as lotion (n = 12), aerosol spray (n = 12), nonaerosol spray (n = 12), and p

266 73.9%) for lotion, 3.5 ng/mL (CV, 70.9%) for aerosol spray, 3.5 ng/mL (CV, 73.0%) for nonaerosol spra

267 oncentrations were 5.1 ng/mL (CV, 81.6%) for aerosol spray, 5.8 ng/mL (CV, 77.4%) for nonaerosol spra

268 87.1%) for lotion, 6.6 ng/mL (CV, 78.1%) for aerosol spray, and 6.6 ng/mL (CV, 103.9%) for nonaerosol

269 defence concern because of its potential for aerosol spread and the current lack of sufficient counte

270 ive enrichment of PFAAs in nascent sea spray aerosols (SSA), suggesting that SSA are an important sou

271 isoprene emission regions that preindustrial aerosol sulfate was almost exclusively isoprene-derived

272 Sulfate produced both the highly acidic aerosol (summer pH 1.5-2) and liquid water required for

273 oning of gaseous acidic and basic species to aerosols, surface films, and bulk water.

274 roperties, and concentrations of atmospheric aerosol surfactants in multiple environments and are bro

275 ons characteristic of viscous multicomponent aerosol systems with relatively high ionic strength (I =

276 to condensable products that form secondary aerosols that affect Earth's radiative balance by scatte

277 eated in the lower stratosphere, attaches to aerosols that are transported downwards to the troposphe

278 Sulfur dioxide emissions produced sulfate aerosols that cooled Earth's climate with a range of imp

279 reenhouse gases, ice sheets and mineral dust aerosols, this cooling translates to an equilibrium clim

280 rganonitrates) in the NO(3)(*)-aged wood tar aerosols, thus decreasing particle absorption.

281 oxy for humic-like substances in atmospheric aerosols, to contribute to secondary organic aerosol mas

282 Several studies of SARS-CoV-2 support aerosol transmission and one study documented virus at a

283 These results suggest that the potential for aerosol transmission of SARS-CoV-2 may be dependent on e

284 step toward a human-adapted virus capable of aerosol transmission.

285 To reduce aerosol transmissions, the use of low dose far-UVC light

286 ectra suggests that hydrocarbon-like organic aerosol (typically fresh traffic exhaust) sorbs DEHP mor

287 Dry deposition is a significant source of aerosol uncertainty in global chemical transport and cli

288 entration and the composition of atmospheric aerosol, uncertainty exists as to whether the current fo

289 try and a microphysical treatment of sulfate aerosol, used to assess the chemical and climate impacts

290 e this technique can be used to also measure aerosol viscosity and identify non-Newtonian fluid dynam

291 the hysteresis zone for effloresced carrier aerosols was confirmed.

292 large shifts of buffer pH, and we show that aerosol water content and mass concentration play a more

293 Liquids and aerosols were analyzed by GCMS, HPLC, and fluorescence.

294 Metal/metalloid levels in e-liquids and aerosols were converted and reported in micrograms per k

295 lut eruption in 2014, stratospheric ash-rich aerosols were observed for months.

296 e potential for viral transmission by way of aerosol which may be generated during perioperative care

297 olves the application to roots of a nutrient aerosol, which can lead to greater plant productivity th

298 handheld diathermy device generated surgical aerosol, which was transferred into a mass spectrometer

299 and one phenolic carbonyl in the e-cigarette aerosol with Classic Tobacco flavor.

300 respiratory droplets and coronavirus RNA in aerosols, with a trend toward reduced detection of coron