The phrase "allowed to observe a" is correct and usable in written English.
It can be used when granting permission to someone to watch or monitor a specific event or situation.
Example: "As part of the training program, participants are allowed to observe a live demonstration of the new software."
Alternatives: "permitted to watch a" or "granted access to see a".
In a previous study [8] six subjects (observers) were allowed to observe a conspecific model opening the plastic box in a peculiar way (mouth-opening) before they were tested individually.
Whereas some areas appeared unperfused on FA (Fig. 4a), magnified confocal imaging allowed to observe a strong superficial cellular infiltration leading to a vascular sprout lay in the lower capillary bed.
Double staining of these cells for tTG and the recycling endosomal marker Rab11, the late endosomal marker Rab7, and the lysosomal marker Lamp1, allowed to observe a substantial colocalization of tTG with Rab11 on a subset of perinuclear vesicles (Fig. 3C), whereas little codistribution of tTG with Rab7 or Lamp1 was found (Fig. S3C).
Freshly obtained and separated CD34−/CD105+ early erythroid cells, evaluated for their gene expression profile in comparison with the CD34+ common progenitor compartment, allowed to observe a high number of differentially regulated genes.
Biochemical analysis of biological fluids performed 14 days after MIA injection, allowed to observe a 4 fold increase of CTX-II in plasma of MIA + vehicle rats compared to the control group (vehicle + vehicle).
The serial monitoring of the DNA and RNA JAK2V617F mutational ratios and the JAK2V617F expression levels normalized with GUSB allowed to observe a significant increase of the JAK2V617F expression levels at PV progression in two of the three cases (case 1 and 3, Fig. 6c) and a trend toward statistical significance in the remaining case.
In October, representatives of the oversight board traveled to China, where they were allowed to observe an internal controls review by Chinese officials.
Indeed, microscopy multiphoton allows to observe a first fluorescent marker via 2 photon-excitation-fluorescence and to visualize collagen without marking with SHG (Werkmeister et al. 2008).
The nature of the archive is temporally and spatially highly discontinuous but allows to observe a systematic drop in phreatic groundwater levels during the second half of the 19th century.
In summary, addition of large amount of exogenous RNA allows to observe a radiolabelled RNA with the same size as the added RNA.
"To say that the law about the ability of the press to report ancillary relief proceedings which they are allowed to observe is a mess would be a serious understatement," Mostyn declared.
