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Comparison between different methods of estimation of vitamin D

Advances in Biological Chemistry 2013年第5期3卷 501-504页

作者： Mrinal Pal Subinay Datta Amit Kumar Pradhan Lekha Biswas Joydeep Ghosh Partha Mondal Rajarshi Rahut Arghya Ray Chaudhuri Sourav Sau soumi das Department of Biochemistry Burdwan Medical College Burdwan India Department of Radiotherapy Burdwan Medical College Burdwan India

Background: Vitamin D is not only important for bone health but can also affect the development of several non-bone diseases. These findings have increased the need for determining vitamin D status in a convenient and cost-effective way. In order to determine the better method for detecting vitamin D status, we have estimated blood vitamin D in three methods such as high-pressure liquid chromatography, chemiluminescent immunoassays and enzyme immunoassays. Method: Two hundred and sixteen subjects irrespective of age and sex were studied for blood vitamin D in all the three methods over a period of 2 years. Result: The statistical analysis showed that values of vitamin D obtained by chemiluminescent immunoassays (r = 0.978,

关键词： Vitamin D High-Pressure Liquid Chromatography Chemiluminescent Immunoassays Enzyme Immunoassays

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Experimental demonstration of SnO_(2) nanofiber-based memristors and their data-driven modeling for nanoelectronic applications

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Chip 2023年第4期2卷 142-153页

作者： soumi Saha Madadi Chetan Kodand Reddy Tati Sai Nikhil Kaushik Burugupally Sanghamitra DebRoy Akshay Salimath Venkat Mattela Surya Shankar Dan Parikshit Sahatiya Department of Electrical&Electronics Engineering Birla Institute of Technology and Science PilaniHyderabad CampusHyderabad 500078India Department of Computer Science and Information Systems Birla Institute of Technology and Science PilaniHyderabad CampusHyderabad 500078India Nanomagnetic Division Ceremorphic India Pvt LtdIndia Ceremorphic Inc.San JoseCA 95131USA

This paper demonstrated the fabrication,characterization,datadriven modeling,and practical application of a 1D SnO_(2)nanofiber-based memristor,in which a 1D SnO_(2)active layer wassandwiched between silver(Ag)and aluminum(Al)*** yielded a very high ROFF:RON of~104(ION:IOFF of~105)with an excellent activation slope of 10 mV/dec,low set voltage ofVSET~1.14 V and good *** paper physically explained the conduction mechanism in the layered SnO_(2)*** conductive network was composed of nanofibersthat play a vital role in the memristive action,since more conductive paths could facilitate the hopping of electron *** structures experimentally extracted with the adoption of ultraviolet photoelectron spectroscopy strongly support the claimsreported in this *** machine learning(ML)–assisted,datadriven model of the fabricated memristor was also developedemploying different popular algorithms such as polynomialregression,support vector regression,k nearest neighbors,andartificial neural network(ANN)to model the data of the *** have proposed two types of ANN models(type I andtype II)algorithms,illustrated with a detailed flowchart,to modelthe fabricated *** with standard ML techniques shows that the type II ANN algorithm provides the bestmean absolute percentage error of 0.0175 with a 98%R^(2)*** proposed data-driven model was further validated with the characterization results of similar new memristors fabricated adoptingthe same fabrication recipe,which gave satisfactory ***,the ANN type II model was applied to design and implementsimple AND&OR logic functionalities adopting the fabricatedmemristors with expected,near-ideal characteristics.

关键词： Nanofiber-based memristors Data-driven modeling Artificial neural network(ANN) SnO_(2)

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Extracellular Vesicles and Their Significance in COVID-19

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Advances in Human Physiology Research 2022年第1期4卷 1-4页

作者： Sanjay Kumar soumi Sadhu Himanshu Narayan Singh Navneet Kumar Dubey Nikhil Kumar Prashant Kumar Tiwari Rajan Malhotra Himani Sharma Department of Life Science School of Basic Science and ResearchSharda UniversityGreater NoidaUP201310India Division of Nephrology Mayo ClinicRochesterMN55905USA Department of System Biology Columbia University Irving Medical CenterNew YorkNY10032USA Victory Biotechnology Co. Ltd.TaipeiTaiwan114757China ShiNeo Technology Co. Ltd.New Taipei CityTaiwan24262China Department of Medicine All India Institute of Medical Sciences(AIIMS)New Delhi-110029India

Over the last few years,there is huge scientific attention towards the research related to Extracellular Vesicles(EVs),because of their unique property of inter cellular communications and effective biological significance in diagnosis and therapy[1].Extracellular Vesicles are lipid bilayer membrane bound biological entity,which contains different bioactive compounds(cargoes)such as microRNAs(miRNAs),mRNAs,proteins,and *** on their origin and size,EVs have been categorized into three different types(a)Exosomes(40 nm-150 nm)are smallest EVs,which are synthesized by endocytic pathways in the cells and secreted in extracellular space through exocytosis process,(b)Microvesicles are secreted from direct budding off plasma membranes and their size varying from 50 nm to 1000 nm and,(c)Apoptotic bodies are formed during apoptotic cell death process and respectively larger in size>1000 nm[1-3].EVs have been identified using different markers,that includes tetraspanins proteins(CD9,CD63,CD81,and CD83),endosomal sorting complexes required for transport(TSG101,Alix),heat shock proteins(Hsp60,Hsp70,Hsp90),and Rab proteins(RAB27a/b)[1].

关键词： CD63 diagnosis CD81

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