South Korea bans the use of North Korean symbols, the flag and the national anthem for propaganda purposes, posing a problem at sporting events.
The presence of the conserved Trps, whether for essential structure or for UV protective purposes, poses a challenge because of the enormous cumulative photooxidative stress from ambient UV light absorbed by Trps that do not turn over.
Rapid molecular typing of bacterial pathogens is critical for public health epidemiology, surveillance and infection control, yet routine use of whole genome sequencing (WGS) for these purposes poses significant challenges.
In addition to the pre- and post-market challenges discussed above, it was clear in our product histories and, particularly, in our interviews that the production and distribution of cells for therapeutic purposes posed an ongoing and substantial challenge to the successful development of the cell therapy industry.
The OPT and OPF generated during the replanting session can be problematic as the current method of leaving the dead tress between the rows of palm trees to naturally decompose for soil conservation, erosion control, and in the long-term nutrients recycling purpose; poses the risk of attracting harmful insect.
The use of extracellular cell-free miRNAs for diagnostic purposes may pose a common problem where particular miRNA biomarkers are not present in all samples.
Some people expressed the concern that the disclosure of confidential patient data for research purposes may pose a risk to the security and confidentiality of that data.
However, as mobile telephone data are privately owned they can be extremely difficult to access for research purposes and pose a number of ethical questions, particularly around privacy and informed consent.
"EU citizens are known to have crossed the external border to travel to (Middle East) conflict zones for terrorist purposes and pose a risk upon their return.
The high sensitivity of MRI in detecting small cartilaginous tumours on MRI performed for other purposes can pose a dilemma to the clinician.
