spanning almost the entire range of commercial products in industry, agriculture, and medicine. That is why the development of roll-to-roll (R2R) printed passive RFID tags is extremely attractive, due to perceived cost reduction achievableindeed, this has been the driving force for the realization of the penny RFID tag for the ID and the authentication without incorporating any encryption engine. SuchThe ORCID identification number(s) for the author(s) of this article can be found under https://doi.org/10.1002/admt.201900935.Printed electronics has been received a great deal of attention in the last two decades with a primary focus being on the use of organic semiconductors for the inexpensive and flexible electronic devices. [1][2][3][4][5][6][7][8] Applications such as flexible displays and passive radio frequency identification (RFID) tags have been widely touted in this regard. In particular, the roll-to-roll (R2R) printed passive 13.56 MHz RFID tag has a very competitive advantage for ID and authentication to prevent counterfeits over the traditional Si-chip based one because the low cost is always the first priority to be considered to authenticate genuine products
Nasolacrimal duct obstruction is a common disorder which clinically manifests as epiphora. Many procedures have been described to bypass this obstruction, for example external dacryocystorhinostomy (DCR), endoscopic DCR with and without stents, Laser endoscopic DCR. Each of these procedures has its own success rates and complications. We did an analysis of all laser assisted endonasal DCR performed in our department from Feb 2006 to July 2009. In all we had operated 237 total cases out of which 203 were with normal endonasal DCR and 34 cases were Laser transcanalicular endonasal DCR (Laser DCR). Over all success rate was 92%(218 cases). In case of Laser assisted endonasal DCR the success rate was 70.3% (19 cases) with failure rate of 29.7% (8 cases) at three months follow-up. This preliminary study reveals that LASER DCR is associated with higher failure rates as compared to the normal endonasal DCR.
In article number 1900935, Gyoujin Cho and co‐workers present a novel printed electronics methodology, developed with an electrophoretic QR code that functions as a write‐once‐read‐many (WORM) type of memory circuitry. When integrated to a R2R printed wireless 1‐bit code generator with 6 CMOS logic gates, 2953 bytes of authentic information can be provided via utilization of NFC and smartphone camera.
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