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Dolichoectasia of vertebrobasilar artery presenting as facial pain: a case report
Prasanna Vadhanan 대한치과마취과학회 2023 Journal of Dental Anesthesia and Pain Medicine Vol.23 No.4
Dolichoectasia of the intracranial arteries is a rare condition characterized by elongated and tortuous arteries due to progressive destruction of the vessel walls. Although most patients present with cerebrovascular accidents, our patient presented with intractable facial pain along the distribution of the trigeminal nerve. Clinical examination revealed involvement of the 5th, 7th, and 8th cranial nerves, and subsequent MRI showed dolichoectasia of the left basilar artery. The patient experienced symptomatic relief after a trial of carbamazepine along with botulinum toxin injections.
A 32 ㎚ NPN SOI HBT with Programmable Power Gain and 839 ㎓V f<SUB>t</SUB>BV<SUB>CEO</SUB> Product
Prasanna Kumar Misra,S. Qureshi 대한전자공학회 2014 Journal of semiconductor technology and science Vol.14 No.6
The performance of npn SiGe HBT on thin film SOI is investigated at 32 ㎚ technology node by applying body bias. An n-well is created underneath thin BOX to isolate the body biased SOI HBT from SOI CMOS. The results show that the HBT voltage gain and power gain can be programmed by applying body bias to the n-well. This HBT can be used in variable gain amplifiers that are widely used in the receiver chain of RF systems. The HBT is compatible with 32 ㎚ FDSOI technology having 10 ㎚ film thickness and 30 ㎚ BOX thickness. As the breakdown voltage increases by applying the body bias, the SOI HBT with 3 V VCE has very high ftBVCEO product (839 ㎓V). The self heating performance of the proposed SOI HBT is studied. The high voltage gain and power gain (60 ㏈) of this HBT will be useful in designing analog/RF systems which cannot be achieved using 32 ㎚ SOI CMOS (usually voltage gain is in the range of 10-20 ㏈).
Prasanna, T.S.R.,Raju, K. Mohana Korean Chemical Society 2011 대한화학회지 Vol.55 No.5
A new catalytic system has been developed in the synthesis of 2-amino-5-nitro-4,6-diarylcyclohex-1-ene-1,3,3-tricarbonitriles using carbonate on polymer support (Amberlyst A-26 $NaCO_3{^-}$). Short reaction time, simplicity of isolation, safe catalyst and high yields of product are the features.
Diversity of Saurian fauna in the Buldhana district, Maharashtra, India
Prasanna S. Joshi,Vasudha T. Tantarpale 국립중앙과학관 2016 Journal of Asia-Pacific Biodiversity Vol.9 No.3
The present report provides knowledge about the diversity of Saurian fauna in the Buldhana district of the Indian state of Maharashtra as a model geographic area to promote conservation management. The presented study is based on the field work carried out in the study sites during February 2014 to January 2015. The study revealed the presence of 14 Saurian species belonging to 5 families dominated by Gekkonidae (43.05%), Scincidae (29.15%), Agamidae (21.35%), Varanidae (6.1%), and Chamaeleonidae (0.35%). The relative dominance of species varied with differentmonths, apparently indicating that the Buldhana district has a healthy environmental and demographic setup that accommodates rich Saurian diversity.
Prasanna Vadhanan 대한치과마취과학회 2020 Journal of Dental Anesthesia and Pain Medicine Vol.20 No.5
Various anesthetic techniques have been utilized for maxillo-mandibular fixation. We report the case of a patient with bilateral condylar and zygomatic arch fractures who had severe pulmonary dysfunction. The patient was administered bilateral image-guided Gasserian ganglion block through the foramen ovale to achieve surgical anesthesia. The technical details, advantages, and disadvantages of this rather unusual technique are discussed. The procedure could be a feasible technique when performed meticulously in cases where other approaches are deemed difficult.
Prasanna Vadhanan 대한치과마취과학회 2022 Journal of Dental Anesthesia and Pain Medicine Vol.22 No.1
Persistent idiopathic facial pain is a rare and difficult condition to treat. Several pharmacological, non- pharmacological, and invasive treatment options have been used, with varying results. We report the case of a patient with intractable persistent idiopathic facial pain who responded favorably to a combination of botulinum toxin injections and pulsed radiofrequency treatment of the infraorbital nerve.
Multi Label Deep Learning classification approach for False Data Injection Attacks in Smart Grid
( Prasanna Srinivasan. V ),( Balasubadra. K ),( Saravanan. K ),( Arjun. V. S ),( Malarkodi. S ) 한국인터넷정보학회 2021 KSII Transactions on Internet and Information Syst Vol.15 No.6
The smart grid replaces the traditional power structure with information inventiveness that contributes to a new physical structure. In such a field, malicious information injection can potentially lead to extreme results. Incorrect, FDI attacks will never be identified by typical residual techniques for false data identification. Most of the work on the detection of FDI attacks is based on the linearized power system model DC and does not detect attacks from the AC model. Also, the overwhelming majority of current FDIA recognition approaches focus on FDIA, whilst significant injection location data cannot be achieved. Building on the continuous developments in deep learning, we propose a Deep Learning based Locational Detection technique to continuously recognize the specific areas of FDIA. In the development area solver gap happiness is a False Data Detector (FDD) that incorporates a Convolutional Neural Network (CNN). The FDD is established enough to catch the fake information. As a multi-label classifier, the following CNN is utilized to evaluate the irregularity and cooccurrence dependency of power flow calculations due to the possible attacks. There are no earlier statistical assumptions in the architecture proposed, as they are "model-free." It is also "cost-accommodating" since it does not alter the current FDD framework and it is only several microseconds on a household computer during the identification procedure. We have shown that ANN-MLP, SVM-RBF, and CNN can conduct locational detection under different noise and attack circumstances through broad experience in IEEE 14, 30, 57, and 118 bus systems. Moreover, the multi-name classification method used successfully improves the precision of the present identification.
Prasanna, T.S.R.,Raju, K. Mohana Korean Chemical Society 2011 대한화학회지 Vol.55 No.4
실온에서 방향족 알데히드, 말론니트릴과4-히드록시쿠마린을neat 실리카젤 속에서 one-pot반응시켜서 3,4-dihydropyrano[c]chromenes을 좋은 수율로 합성하였다. Highly efficient, three-component condensation of aromatic aldehyde, malononitrile and 4-hydroxycoumarin promoted by neat silica gel at room temperature is described. The method offers an excellent alternative to the synthesis of 3,4-dihydropyrano[c]chromenes. The reactions are fast and clean, and the products are obtained with good yield and purity.