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Engines of Creation : the Coming Era of Nanotechnology K
Engines of Creation : The Coming Era of Nanotechnology K. Eric. Drexler, Anchor Books, Doubleday, 1986 (downloaded from : http://www.foresight.org/EOC/EOC_Chapter_1.html) Chapter 1 : ENGINES OF CONSTRUCTION COAL AND DIAMONDS, sand and computer chips, cancer and healthy tissue: throughout history, variations in the arrangement of atoms have distinguished the cheap from the cherished, the diseased from the healthy. Arranged one way, atoms make up soil, air, and water; arranged another, they make up ripe strawberries. Arranged one way, they make up homes and fresh air; arranged another, they make up ash and smoke. Our ability to arrange atoms lies at the foundation of technology. We have come far in our atom arranging, from chipping flint for arrowheads to machining aluminum for spaceships. We take pride in our technology, with our lifesaving drugs and desktop computers. Yet our spacecraft are still crude, our computers are still stupid, and the molecules in our tissues still slide into disorder, first destroying health, then life itself. For all our advances in arranging atoms, we still use primitive methods. With our present technology, we are still forced to handle atoms in unruly herds. But the laws of nature leave plenty of room for progress, and the pressures of world competition are even now pushing us forward. For better or for worse, the greatest technological breakthrough in history is still to come. Two Styles Of Technology Our modern technology builds on an ancient tradition. Thirty thousand years ago, chipping flint was the high technology of the day. Our ancestors grasped stones containing trillions of trillions of atoms and removed chips containing billions of trillions of atoms to make their axheads; they made fine work with skills difficult to imitate today. -
Amfep Fact Sheet on Protein Engineered Enzymes
Amfep/09/1 7 Brussels , 07 .0 5.2009 Amfep Fact Sheet on Protein Engineered Enzymes Protein engineering is a technique to change the amino acid sequence of proteins in order to improve their specific properties. This paper addresses the background of this technique, why it is used in the case of industrial enzymes, as well as regulatory and safety aspects. Natural evolution, biodiversity and traditional methods of improving industrial enzyme proteins All proteins, including enzymes, are based on the same 20 different amino acid building blocks arranged in different sequences. Enzyme proteins typically comprise sequences of several hundred amino acids folded in a unique three-dimensional structure. Only the sequence of these 20 building blocks determines the three-dimensional structure, which in turn determines all properties such as catalytic activity, specificity and stability. Nature has been performing ‘protein engineering’ for billions of years since the very start of evolution. Natural spontaneous mutations in the DNA coding for a given protein result in changes of the protein structure and hence its properties. This natural variation is part of the adaptive evolutionary process continuously taking place in all living organisms, allowing them to survive in continously changing environments. Natural variants of enzyme proteins are adapted to perform efficiently in different environments and conditions. This explains why in nature enzymes belonging to the same enzyme family but isolated from different organisms and environments often show a variation in amino acid sequence of more than 50%. The properties of enzymes used for industrial purposes sometimes also require some adaptations in order to function more effectively in applications for which they were not designed by nature. -
JTEFT-04-00146.Pdf
Journal of Textile Engineering & Fashion Technology Research Article Open Access Process intensification of fluorocarbon-free and fluorocarbon-based water repellent finishes on cotton knit fabrics Abstract Volume 4 Issue 3 - 2018 The capabilities of the fluorocarbon-free alkyl urethane based resin, was analyzed Kawser Parveen Chowdhury on cotton fabric. In this study, both single jersey and double jersey knit structured Department of Wet Process Engineering, Bangladesh University fabrics were taken to evaluate the performance of different water repellent finishes of Textiles, Bangladesh; on fabrics properties. The performance of the fluorocarbon-free alkyl urethane based resin and fluorocarbon based water repellent chemicals were evaluated and compared Correspondence: Kawser Parveen Chowdhury, Assistant at different formulations. The effectiveness of water repellency of the finished fabrics Professor, Department of Wet Process Engineering, Bangladesh were evaluated by AATCC 127 hydrostatic head test method and by ISO 4920:2012 University of Textiles, Address: 92, Shaheed Tajuddin Ahmed spray rating test method. To assess the performance of water repellent finished knit Avenue, Tejgaon, Dhaka-1208, Bangladesh, Tel +8801716167777, fabrics, GSM, bursting strength test, stiffness, color fastness to wash, color fastness to Email [email protected] sea water, color fastness to saliva, color fastness to rubbing, color fastness to light were done according to ISO and ASTM method. The results showed that the fluorocarbon- Received: May 25, 2018 | Published: June 06, 2018 free alkyl urethane based resin treated fabrics exhibited competitive result on water repellency, other physical and chemicals properties. The water repellent finish type and concentration were very important criteria to obtain good water repellency. -
Effect of Finishing Auxilliaries on the Color Perception of Cotton Knit Fabric Dyed with Reactive Dye
European Scientific Journal August 2018 edition Vol.14, No.24 ISSN: 1857 – 7881 (Print) e - ISSN 1857- 7431 Effect of Finishing Auxilliaries on the Color Perception of Cotton Knit Fabric Dyed with Reactive Dye Shuvo Brahma, BSc Md. Rashedul Islam, MSc Emran Hossain, BSc Rasheda Begum Dina, MSc Department of Wet Process Engineering, Bangladesh University of Textiles (BUTEX) Smita Rani Debnath, BSc Department of Apparel Engineering, Bangladesh University of Textiles (BUTEX) Doi: 10.19044/esj.2018.v14n24p490 URL:http://dx.doi.org/10.19044/esj.2018.v14n24p490 Abstract Dyed textiles are influenced by finishing treatments more or less strongly. Individual dyes as well as finishing products and conditions are responsible for this. An attempt has been made to assess the effects of some finishing auxiliaries on the color yield of reactive dyed cotton knit fabric. It was found that treatment with finishing auxiliaries decreased the shade depth to a considerable extent. The shade changes obtained after treating with fixing and soaping agent were found less than the treatment with caustic soda and combined caustic and glauber salt. Keywords: Finishing, auxiliaries, cotton, color perception. Introduction Color sensation is a characteristic of human experience. Nature provides a particularly vivid display of color. An object viewed in white light, which consists of all wavelengths in the visible region (400–700 nm) in about equal proportions, will appear colored if there is selective absorption of some wavelengths and reflection or transmission of the others. Objects with high reflectance of all wavelengths of white light will appear white, whereas strong absorption of all wavelengths produces black (Broadbent, 2001). -
Technical Expertise
Technical Expertise Kilpatrick Townsend’s large patent practice is characterized by a large depth and breadth of technical experience. The below list sets forth representative technical and industry expertise of selected partners & counsel who are available to work on patent due diligence matters and does not include the still wider wide range of expertise among our associates and patent agents. Many of the professionals highlighted below have expertise across multiple technical disciplines, but we have indicated areas that illustrate the diversity of our overall technical expertise. If you don’t see a technology/industry listed that you are interested in, we likely have expertise – please ask us. Electronics & Software Aeronautics Mark Mathison, M.S. in Aeronautical Engineering (also has expertise in electromechanical devices, software, Internet, network, e-commerce). AI (Artificial Intelligence) Kate Gaudry, Ph.D. in Computational Neurobiology (also expertise in software, computers, and quantitative-biology). Rob Curylo, B.S. Electrical Engineering (also has expertise in machine learning for online marketing and credit risk assessment, & as workflow and machine-learning solutions for image and video editing). Autonomous Vehicles Ko-Fang Chang, former engineer at ViaSat (also has expertise in mobile devices and applications, wireless communications, networking and computer architecture). Bioinformatics Dave Raczkowski, Ph.D. in Physics (also has expertise in medical diagnostics, image processing, machine learning, databases and cloud computing; programmable logic, computer hardware, networking, energy management, nanotechnology, power supplies, and financial transactions and other Internet commerce). Blockchain (Cryptocurrency) Tom Franklin, former engineer at Lockeed & Hughes Electronics (also has expertise in Internet technology, content delivery, business methods, clean technology, circuit design, imaging arrays, cryptographic design, telecommunications, electronic design tools, wireless communications, networking and telemetry systems). -
Protein Nanotechnology
PROTEIN NANOTECHNOLOGY Jayachandra S. Yaradoddi1,2,6*, Merja Kontro2, Sharanabasava V. Ganachari1, Sulochana M. B.3 Dayanand Agsar4, Rakesh Tapaskar5 and Ashok S. Shettar1 1,2Centre for Material Science, Advanced research in Nanoscience & Nanotechnology, KLE Technological University, Hubballi and Dept. of Environmental Sciences, University of Helsinki, Finland, 3Department of PG Studies and Research in Biotechnology, Gulbarga University, Kalaburagi-585106, INDIA 4Department of PG Studies and Research in Microbiology, Gulbarga University, Kalaburagi-585106, INDIA 5School of Mechanical Engineering KLE Technological University, Hubballi-580031, INDIA 6Extremz Biosciences private limited, CTIE start up street, KLE Technology University campus, Hubballi-580031 Abstract: Medical management is to be preserved well, especially diagnosis is fast, easy and cheap. Sometimes RNA and DNA nanobio-based diagnostic may not give the precise data in respect to specific disorders. Therefore, some quantifiable protein information and molecular folding are very much required for the analysis of such disorders. Proteins in minute concentration is typically not detectable under the normal circumstances. Nowadays which can be measured and quantified using protein nanotechnology methods. On the other side protein machineries brings out the tasks unsafe to cell behavior, comprises DNA duplication, intracellular carriage, ion pump, cellular motility. They have changed unbelievable multiplicity, precision, efficacy and a substantial quantity of study in contemporary biology intended to expose the vital mechanisms or processes primarily their function. This chapter also emphasizes the recent development in protein nanotechnology with special focus on molecular cytoskeletal motors, dyneins, myosin’s and kinesins. They constitute subcategory of the protein machineries, they have distinguished properties and can be able to convert biochemical energy directly to automatic work. -
FACULTY ENGAGED in SUSTAINABILITY RESEARCH Data from Research.Berkeley.Edu, Faculty Expertise, Pulled 1/18-23/2013
FACULTY ENGAGED IN SUSTAINABILITY RESEARCH Data from research.berkeley.edu, Faculty Expertise, pulled 1/18-23/2013. Please note that only UC Berkeley faculty members with permanent academic appointments are listed in this database. Total number of faculty members listed in database = 1928; Number engaged in sustainability research = 217 Name Expertise Department Norman civil and environmental engineering, earthquake ground motions, Department of Civil and Environmental Abrahamson spectral attenuation relations Engineering David Ackerly adaptation, california biodiversity, climate change Department of Integrative Biology environmental impact of severe accidents, mathematical safety Joonhong Ahn assessment of deep geologic repository, radioactive waste Department of Nuclear Engineering management, transport of radionuclides in geologic formations Fluid Flow Control, Nonlinear Dynamical Systems, Nonlinear Wave Mechanics, Ocean and Coastal Waves Phenomena, M. Reza Alam Department of Mechanical Engineering ocean renewable energy, Ocean Renewable Energy (Wave, Theoretical Fluid Dynamics, Tide and Offshore Wind Energy) A. Paul nanoscience, physical chemistry, semiconductor nanocrystals Department of Chemistry Alivisatos seismology earthquakes earthquake hazard mitigation earth structure Department of Earth and Planetary Richard Allen tomography natural hazards Science biodiversity, grasslands, grazing, oak woodlands, plant ecology, Barbara Allen- Environmental Science, Policy & rangeland ecology, rangeland management, water resources, Diaz Management -
Colorimetric Analysis and Fastness Properties of Jute Fabric Dyed With
Tekstilec, 2020, Vol. 63(3), 195–202 | DOI: 10.14502/Tekstilec2020.63.195-202 195 Kamrun Nahar1, Shurfun Nahar Arju2, Jannatul Ferdush1, Marzia Islam1, Tarifun Akter1 1 Northern University Bangladesh, Department of Textile Engineering, Kawlar Jamea Masjid Road 111/2, Dhaskhin Khan, Khilkhet, Dhaka 1229, Bangladesh 2 Bangladesh University of Textiles, Department of Wet Process Engineering, Shaheed Tajuddin Ahmed Avenue 92, Tejgaon Industrial Area, Dhaka 1208, Bangladesh Colorimetric Analysis and Fastness Properties of Jute Fabric Dyed with Eucalyptus Leaves Kolorimetrična analiza in obstojnost jutne tkanine, barvane z listi evkaliptusa Original scientific article/Izvirni znanstveni članek Received/Prispelo 3-2020 • Accepted/Sprejeto 6-2020 Corresponding author/Korespondenčna avtorica: Kamrun Nahar, senior lecturer E-mail: [email protected] Mobile: 8801731094445 Abstract Natural dyestuff has reverted its position in the colouration of textile substrates due to rising concerns of consumers and buyers, particularly about environmental impacts and health issues. Eucalyptus leaves were selected in this study as a source of natural dye along with some of the most generally used mordants to ob- serve the impact of dyeing on jute fabric while trying to keep the dyeing parameters at a minimum level. Dyes were extracted from eucalyptus leaves by boiling in water. Then, the fabric was pre-mordanted using different synthetic mordanting agents, such as alum, potassium dichromate, copper sulphate and ferrous sulphate, which are generally used to substantively enhance the dyestuff on textile fabrics and to improve the fastness properties. Synthetic mordant was used here instead of natural mordant due to the better dyeing compatibility of jute fabric with eucalyptus leaves, since natural mordant has little effect on jute fabric during the process of dyeing. -
National Institute of Technology
B. Tech. in METALLURGICAL AND MATERIALS ENGINEERING FLEXIBLE CURRICULUM (For students admitted from 2015-16 onwards) DEPARTMENT OF METALLURGICAL AND MATERIALS ENGINEERING NATIONAL INSTITUTE OF TECHNOLOGY TIRUCHIRAPPALLI – 620 015 TAMIL NADU, INDIA Department of Metallurgical and Materials Engineering, National Institute of Technology: Tiruchirappalli – 620 015 Vision, Mission of the Institute Vision of the Institute To provide valuable resources for industry and society through excellence in technical education and research Mission of the Institute To offer state-of-the-art undergraduate, postgraduate and doctoral programmes To generate new knowledge by engaging in cutting-edge research To undertake collaborative projects with academia and industries To develop human intellectual capability to its fullest potential Vision, Mission of MME department Vision of the Department MME To evolve into a globally recognized department in the frontier areas of Metallurgical and Materials Engineering Mission of the Department MME • To produce Metallurgical and Materials Engineering graduates having professional excellence • To carry out quality research having social & industrial relevance • To provide technical support to budding entrepreneurs and existing industries 2 | P a g e Department of Metallurgical and Materials Engineering, National Institute of Technology: Tiruchirappalli – 620 015 Summary of Flexible curriculum Courses Credits General Institute 17 68 Requirement (GIR) (Institute Formula) Programme core (PC) 20 64 (MME proposal) Essential Laboratory 12 12 Requirement (ELR) (MME proposal) Programme Elective + 12 36 Open Elective + Minor (Min. 4 PE, Min. 3 OE) (PE+OE+MI) (MME proposal) Total 60 180 3 | P a g e Department of Metallurgical and Materials Engineering, National Institute of Technology: Tiruchirappalli – 620 015 CURRICULUM The total minimum credits for completing the B.Tech. -
School of Engineering
School of Engineering E Engineering Education in a University Setting 288 Degree Programs in Engineering 290 Special Programs 292 Honors 294 Academic Regulations 296 Courses of Study 301 Engineering Courses 325 Administration and Faculty 350 288 VANDERBILT UNIVERSITY Engineering Education in a University Setting ANDERBILT University School of Engineering is the students also participate in the university’s Summer Research largest and oldest private engineering school in the Program for Undergraduates. South. Classes offering engineering instruction began Vin 1879, and seven years later Engineering was made a separate Facilities department with its own dean. The school’s program empha- The School of Engineering is housed in 5 main buildings with sizes the relationship of the engineering profession to society several satellite facilities. William W. Featheringill Hall which and prepares engineers to be socially aware as well as techni- houses a three-story atrium designed for student interac- cally competent. tion and social events, more than fifty teaching and research The mission of the School of Engineering is threefold: to laboratories with the latest equipment and computer resources, prepare undergraduate and graduate students for roles that and project rooms. The new Engineering and Science build- contribute to society; to conduct research to advance the ing is an eight-story state of the art building that houses the state of knowledge and technology and to disseminate these Wond'ry at the Innovation Pavilion, numerous research labs, advances through archival publications, conference publica- interactive class rooms, clean rooms and space for students tions, and technology transfer; and to provide professional to work, study and socialize. -
12.2% 116,000 125M Top 1% 154 4,100
We are IntechOpen, the world’s leading publisher of Open Access books Built by scientists, for scientists 4,100 116,000 125M Open access books available International authors and editors Downloads Our authors are among the 154 TOP 1% 12.2% Countries delivered to most cited scientists Contributors from top 500 universities Selection of our books indexed in the Book Citation Index in Web of Science™ Core Collection (BKCI) Interested in publishing with us? Contact [email protected] Numbers displayed above are based on latest data collected. For more information visit www.intechopen.com Chapter Dyeing Chemicals Shekh Md. Mamun Kabir and Joonseok Koh Abstract Dyeing auxiliaries play an important role in the determination of the final dye- ing quality. The formation of additional complexes with dyes and auxiliary agents enhances the exhaustion of dyes on textile substrates. For aqueous-based dyeing, dye auxiliaries such as chelating agents, dispersing agents, leveling agents, electro- lyte, pH control agents, and surfactants form complexes with the dye on natural and synthetic fibers. A growing awareness of the impact of industrial pollution on the environment became crucial for the dyeing industry in the closing decades of the twentieth century. These chapters discuss the characteristics of dyeing chemicals and how auxiliary substances can assist in achieving outstanding dyeing performance. Keywords: chelating agent, dispersing agent, leveling agent, electrolyte, pH control agent, surfactant, antifoaming agents 1. Introduction The textile dyeing industry is constantly increasing because of the growing con- sumption of fabrics and garments; moreover, till the next decade, a billion consumers will be added to the global market [1]. -
Engineering in Textile Coloration 9780901956316 1983 C
Engineering in Textile Coloration 9780901956316 1983 C. Duckworth Dyers Company Publications Trust, 1983 Engineering in Textile Coloration Intro To Chem Engg Introduction to Pharmacuetical Engineering Process Technology Equipment and Systems HEAT TRANSFER Textile bleaching, dyeing, printing and finishing machinery Process Equipment Procurement in the Chemical and Related Industries Mechanical-electrical equipment handbook for school buildings Batchwise Dyeing of Woven Cellulosic Fabrics Textile Dyeing Technician career guide paves long pathway to grasp the career job of interest by merely knowing the job profile details, kind of work operations, type of work procedures and so on. They combine chemical recipe for dyeing synthetic and natural textiles. Being a textile dyeing technician, your job would include: figuring out correct temperature and dyeing technique for fabric. creating a sample of dye and testing to ensure that it generates correct results. choosing chemical-dye formula which will make correct color. making a ultimate formula to use within manufacturing procedure. suggesting some special treatments/finishes to be employed after dyeing-procedure. You'd maintain records of dye's chemical-recipe, so you can utilize again to obtain equivalent results Dyeing: Coloration ⓠTheories of coloration / dyeing ⓠFactors that affect Dyeing Mechanism of dyeing ⓠMechanism used for dyeing ⓠClassification of dyes ⓠDyeing of Natural fibres using direct. acid. jute etc. sulphur. Knitting: Weft Basic stitches ⓠJersey ⓠRid ⓠPurl ⓠInterlock ⓠWarp Basci Stitches ⓠPillar ⓠAtlas ⓠTricot ⓠStudy of circular weft knitting machines ⓠAdvantages of positive feed ⓠStudy of warp knitting machines ⓠTricot and Raschel.