The real reason Samsung made this screen?
Since this problem of quality control is of concern to many researchers and engineers and since it is often a lengthy and tedious task, we decided to make this screening procedure available to everyone as a web service.
Integration of a visible marker would make this screening step easier, but removing this marker in a later step will add several generations of crosses.
Consequently, relying on questionnaires may become ineffective, making this screening method unsuitable even for follow-up of patients after treatment (Ansell 1997; Guyatt 1999; Lengeler 2002).
The extraordinarily high sensitivity and negative predictive value of the ApoSAA score proposed by Ng et al. [ 3] make this screening strategy an appealing option.
Simple measurements of serum renin have been investigated to predict the potential success of surgical revascularization but the frequency of false-negative and false-positive results make this screening test unhelpful[ 16].
When Norman Raff communicated his customers' interest in such a system to Edison, the great inventor summarily rejected the notion: No, if we make this screen machine that you are asking for, it will spoil everything.
Of course, the unique characteristics of plant cell walls / membranes, contrasted with bacteria, may make this screen less general than might be desirable.
Once a genetic diagnosis has been made, this can enable screening of symptomatic or at-risk family members and may obviate the need for a kidney biopsy in some circumstances.
According to Wallen Mphepö of National Chiao Tung University in Hsinchu, Taiwan, who is one of those working on this idea, screens made this way should be as easy on the eye in bright sunlight as the reflective "electronic paper" used in devices such as the Kindle.
