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739 results for “Prints”
Pre-Print; Polarización social en tiempos del Covid-19
<p>La presente figura forma parte del artículo científico en proceso de revisión por pares: "Polarización social en tiempos del Covid-19". El artículo utilizó una metodología combinada de análisis del barómetro mensual elaborado por el CIS, Centro de Investigaciones Sociológicas, español y el análisis del discurso vertido en redes sociales,en concreto Twitter, a través del hashtag #sesióndecontrol. Durante el 28 de abril del año 2020, se tuvo la oportunidad de analizar la polarización social vertida en redes durante la sesión de control al gobierno español con ocasión de la crisis sanitaria del covid-19. En este adelanto se puede visualizar un grafo de centralidad del discurso analizado. La centralidad, o popularidad, se midió través de la herramienta de twitter; retweet. Además se distribuyó el grafo por familias ideológicas donde pudo medirse el grado de implicación de cada familia en el discurso. </p>
Print do Site Brasil.io
<p>A missão do Brasil.io</p> <p>"Nossa missão é tornar acessíveis os dados brasileiros de interesse público e temos como valores principais a transparência e colaboração. Dessa maneira, tudo o que produzimos pode ser verificável, pois além de disponibilizarmos os dados em formatos abertos, nosso software é livre e produzimos tudo isso de maneira colaborativa. Entre em nosso chat para saber como colaborar ou em nosso repositório de código no GitHub." Fonte: <a href="https://brasil.io/manifesto/">https://brasil.io/manifesto/</a></p> <p>O Brasil.io é mantido com muito carinho por Álvaro Justen e contribuidores.</p> <p><strong>Descrição do Calebe: </strong>Uma colaboração e fomento para o uso dos dados abertos governamentais para transformar o Brasil em um lugar melhor.</p>
CIS OCR Workshop v1.0: OCR and postcorrection of early printings for digital humanities
<p>The 2-day CIS OCR Workshop on "OCR and postcorrection of early printings for digital humanities" originally held at LMU, Munich 14/15 September 2015 (see http://www.cis.lmu.de/ocrworkshop).</p> <p>Release date: 2016-02-25</p> <p><br /> CIS OCR Workshop by Uwe Springmann, Florian Fink is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.</p>
Printing Unit Condition Monitoring
<p>This data set contains raw sensor signals of four analogue sensors and five features derived from them. These are used to monitor the condition of a printing unit in a demonstrator application and to detect a sensor defect, which is simulated in the data set.</p> <p>The demonstrator is used to simulate the <em>wiping </em>process of an <em>Intaglio printing</em> process. Intaglio is the major printing process to produce security prints like banknotes. Engraved structures in the printing plates, which are mounted on a rotating <em>plate cylinder</em>, are filled with ink, which is transferred onto the printing substrate under high pressure. A second cylinder denoted by <em>wiping cylinder</em>, which is working in the printing unit, is lubricated with a solvent to wipe off surplus ink from the printing plates by rotating in the direction opposite to the plate cylinder. This process is crucial as wiping errors immediately lead to print errors.</p> <p>The printing unit demonstrator contains models of the two cylinders, which are turned by electric drives. Pressure between the wiping cylinder having a rubber surface and the steel-surfaced plate cylinder is freely adjustable.<br /> A set of four analogue sensors (contact force, solid-bourne sound, electric current of wiping and plate cylinder drives) continuously acquire data during operation to monitor the process.<br /> The sensors each output a continuous voltage signal in the range of [-10,10] V, which is proportional to the respective quantity the sensor is observing. Thus, each signal's unit is irrelevant and abandoned as changes of the original quantity of interest are reflected also in the respective voltage signal.<br /> All output time-domain signals are synchronously and equidistantly sampled at a frequency of 20 kHz and quantised with a resolution of 16 bit.</p> <p>The acquired data is then split into non-overlapping batches of 50000 samples (corresponding to 2.5 sec of operation), respectively. The length of the time frame was chosen to ensure that 3 revolutions of the plate cylinder are captured in each signal data batch. The solid-bourne sound signal is treated by the FFT to determine its frequency spectrum per signal batch. Altogether, 5 features per plate cylinder revolution are extracted. This results in 15 feature values per signal data batch. The extracted features are:</p> <ul> <li>contact force mean: arithmetic mean of the contact force,</li> <li>solid-bourne sound intensity: root mean square of the solid-bourne sound,</li> <li>solid-bourne sound maxPowFreqInd: index of the frequency component with largest power,</li> <li>motor current wiping cylinder mean: arithmetic mean of the wiping cylinder motor current,</li> <li>motor current plate cylinder mean: arithmetic mean of the plate cylinder motor current.</li> </ul> <p>Each plate cylinder revolution is represented by one instance in the feature data sets. That is, every instance in the data set is described by a vector of 5 feature values.</p> <p>The raw data and feature data sets are divided into two parts, each containing data of one of the two experiments under different operation conditions:</p> <ul> <li><strong>Static printing unit demonstrator operation:</strong><br /> The static experiment observes the printing unit demonstrator during 20:13 min of operation. The printing unit demonstrator was started immediately before the data acquisition began. No additional manipulations or events occurred during the experiment. Therefore, only data representing the demonstrator's normal condition is contained in the data set. It contains 10,000,000 raw signal samples resulting in 600 instances (plate cylinder revolutions), which are in summary described by 3,000 feature values.</li> <li><strong>Manipulated printing unit demonstrator operation:</strong><br /> The printing unit demonstrator was started ca. 23:00 min before the data acquisition began. During this 10:31 min long experiment, the demonstrator application was intentionally manipulated. In addition, the solid-bourne sound sensor signal was manipulated through low-pass filtering in order to simulate a defect of this sensor. An unintended incident also occurred during this experiment. Therefore, data representing both the demonstrator's normal and abnormals conditions are contained in the data set. The sequence of events along with an objective classification of the demonstrator condition by the human experimenter is summarised in the file <em>PrintingUnit_manip_events.txt</em>. The data set contains 5,950,000 raw signal samples, which are in summary described by 1,785 feature values.</li> </ul> <p><em><strong>File name conventions and contents</strong></em></p> <p>The files in the <em>data set</em> are organised such that each row represents a data set instances, columns represent the respective sensor or feature:</p> <ul> <li><strong>PrintingUnitData*.csv:</strong> These files contain raw sensor signals.</li> <li><strong>PrintingUnitFeatures*.csv:</strong> These files contain the features extracted from the sensor signals.</li> </ul> <p><em>Additional files</em> contain information about</p> <ul> <li><strong>*_condition.csv:</strong> The condition if the printing unit is indicated by 'n' (normal condition) or 'a' (abnormal condition). These are the labels of the data set instances.</li> <li><strong>*_filter.csv:</strong> The solid-bourne sound filter status is indicated by '1' (filter activated) or '0' (filter deactivated).</li> <li><strong>*_time.csv:</strong> The relative time, at which the respective instance of the data set was determined. It is represented as the number of days from January 0, 0000 as is returned from MATLAB's datenum function (cf. http://www.mathworks.com/help/matlab/ref/datenum.html for details).</li> </ul> <p>The <em>operation conditions</em> (with respect to the experiment, cf. above) are distinguished by</p> <ul> <li><strong>*_static*.csv:</strong> Static printing unit demonstrator operation.</li> <li><strong>*_manip*.csv:</strong> Manipulated printing unit demonstrator operation.</li> </ul>
The Business of Satirical Prints in Late-Georgian England: network graphs
<p>These figures support research published in Chapter 8 of James Baker, <em>The Business of Satirical Prints in Late-Georgian England</em> (London: Palgrave, 2017). It contains figures made by James Baker in February 2013. These are figures 8.13-8.20 of <em>The Business of Satirical Prints</em>. Figures generated in Gephi using data deposited at http://dx.doi.org/10.5281/zenodo.49548. All errors are the fault of the author.</p>
Metal on Ceramic Friction Surfacing Data for Printing Electronics
<p>This repository is for data for an upcoming paper that presents work using micro friction surfacing for applying in-situ maskless metallizations and robust seed layers for electroless plating on demand to substrates like, aluminum oxide, aluminum nitride, and as fired LTCC, for fabrication of next generation power module and other high reliability electronic substrates. </p> <p>An adjoining youtube playlist, with unique video identifiers that correspond to data in the provided excel data sheets, of all raw video footage of the friction surfacing process can be found <a title="Metal on Ceramic Friction Surfacing playlist" href="https://youtube.com/playlist?list=PLxlbqMdRe6OVbtT3ehHzCJgsyfsY8-2mJ&si=QhrZ0YftJCpKQ3uq" target="_blank" rel="noopener">here:</a><br><br></p> <p>New generation power modules provide compact form factors while achieving multi kilovolt drive potentials at kiloamp currents.[1] However, their typical packaging and substrate metallization methods, such as thick film, direct bond copper, and active metal braze, limits attachment options and other manufacturing process requirements while incurring large processing costs and extended lead times for researchers and industry.[2]–[5] High speed micro friction surfacing allows for directly writing pure metal conductors and integrated passives, onto common insulating high reliability electronics substrates, supports additional layers of metallization and provides direct device interconnect before or after die fabrication and bonding, without bulk thermal annealing and without damaging the underlying substrate. Thus, making the next generation of power devices more tenable at the prototype level, and with further process refinements, at industrial scale.[6]–[13] This work highlights the importance of rapid and flexible prototyping for next generation power modules and high reliability electronics, and how finding new ways to use existing tooling can enhance fabrication options and potentially shore up semiconductor prototyping supply chain stability</p> <h2>1. Introduction</h2> <p>Current generation power modules and high-reliability electronics require rapid and flexible prototyping, but current fabrication methods using thin and thick film, ultrasonic soldering, direct oxide bonding and active metal brazing, have limitations due to exotic interface metallization, atmosphere control, and thermal cycling requirements during fabrication and deployment [2], [3], [5]. These limitations particularly apply to silicon carbide devices, where typical wire bondable aluminum, active metal brazed gold-titanium and direct bond copper substrate metallization schemes incur large fabrication costs and lead times while inhibiting rework of as fabricated substrates due to deep vacuum/ high temperature requirements and a substantial need for skilled manual labor [14], [15]. </p> <p>In this work, High Speed Micro-Friction Surfacing(HSMFS) is used to metallize substrates of aluminum oxide, aluminum nitride, and as fired LTCC, with millimetric to sub-millimeter, traces made of, copper, and gold. HSMFS enables relatively automated, single step fabrication of single layer electronic circuits with bond strengths that exceed thin and thick film methods and ultrasonic soldering, at a cost and lead time 20-50X less, without need for skilled labor. HSMFS is a downscaled extension of a broader class of methods known as "friction surfacing" wherein a rod or powder of a material to be coated onto a substrate, is stirred by rotating a tool, or "mechtrode" against the substrate, trapping the material to be deposited between the mechtrode and substrate surfaces.[1]–[3] The mechtrode can be either a wire of material that is consumed as deposition proceeds, or a non-consumable tool made of a hard material that resists wear during deposition. Heat is generated due to friction between mechtrode and substrate, and forging pressure is applied from a CNC motion platform. The combination of heat from friction, mechano-chemical activation, and forging pressure induced plastic deformation results in the shearing, viscoplastic flow and chemical and mechanical bonding of material from the mechtrode to the substrate being coated. </p> <p>While there have been previous examples of friction surfacing metals onto ceramic substrates[4], [5], none have been used in electronics applications, and no characterization of relevant electro-thermal properties and endurance has been carried out. Additionally, the typically centimeter or larger deposit size scale of the mechtrode and consequently large supporting machinery in previous work has meant that the technique would be unsuitable for fabricating modern electronics. This large mechtrode scale results in excessive, evolved heat at the interface and thus high probability of heat shock damage to ceramic materials. Further, the relatively low mechtrode rotational speeds used in most prior works, results in very high forging pressures (hundreds of MPa), which typically far exceed the fracture toughness of common ceramic substrates. We have overcome these limitations and managed to obtain near bulk metallic electronic properties in as deposited track widths as small as 0.5mm, and metallization thicknesses from nanometers to 10's of microns on frangible substrates without damaging the substrate or compromising its electro-thermo-mechanical endurance. </p> <h2>2. Materials and Methods</h2> <p> </p> <h2>2.1 Materials and tools</h2> <p>For this study the raw materials used to produce the printed prototype as fired circuits were provided by Tommy's Watch and Jewelry via Stuller Precious Metals, (1.6mm copper, #43-6421:100000:T and 0.6mm gold wire, #WIRE:9698:P) and The University of Arkansas High Density Electronics Center (HiDEC), (Dupont 1mm thick 951 LTCC, Stellar Industries 0.5mm thick 99% aluminum nitride, and 0.5mm thick 96% alumina ceramics). </p> <p>The process parameters for printing tracks of copper and gold on the three substrates of interest were explored using a genmitsu 1610 minimill with a Dremel "multipro" 30,000 RPM rotary tool as it's spindle, and a 26 gauge 1070 spring steel sheet covering the mill bed between the aluminum t-slotbed and the ceramic substrate being printed on, purchased on amazon. Each substrated was held in place with a set of binder clips to keep it firmly in position nad flat against the spring steel sheet during deposition. Each deposition process was recorded in thermal video(Flir-T300) (courtesy of Dr. Darin Nutter) with a microscope camera(Opti-Tekscope OT-HD) and in real time macro video (Nikon D750). Subsequent profilometry (Dektak3030) electrical resistance (Fluke 77), current handling testing, taklife and ACS723 current sensor, and Flir-T300 camera (courtesy of Dr. Darin Nutter), and film strength (Kapton pull tests) measurements were performed with tooling available at HiDEC. <br>Temperature data were extraced via optical character recognition using the script here:<br>https://github.com/mahydraal/OCRDataExtractor<br>it deploys tesseract OCR and relatively simple python script with tkinter to provide a graphical user interface to select a region of a video, scrub it for noise, convert it to black and white, and then read character data from the user selected region. </p> <h2>2.2 Determination of printing parameters</h2> <p>Metals, copper and gold, were deposited on substrates of 96% alumina, 99% aluminum nitride(Al-N) and fired 951 LTCC, from wires of 1.6mm and 0.6mm OD respectively, via high speed micro friction surfacing (HSMFS). Spindle RPM was set open-loop constant to 30K RPM, and surface feed velocity was varied between 15, 45 and 75 mm/minute at a constant ratio of X-Z feed distance of 80 to approximate a constant normal force at the stall torque of the Z axis motor of the motion frame in open loop mode. Each surface feed velocity set point was tested 3 times for each metal substrate combination. Each metal and substrate combination were cleaned with 90% IPA and 90% Acetone and Di rinsed then blown dry with nitrogen before deposition.</p> <p>Friction surfacing is a solid-state joining process that involves rubbing two surfaces together at high speeds under pressure, creating a bond between the two surfaces without melting them, stereotypically shown in figure. The process can be used to join similar or dissimilar metals and alloys, metals and ceramics, and organics, and is particularly useful for joining materials with high melting points, such as titanium and nickel-based alloys without obtaining fusion and melting temperatures and without protective atmosphere. This process generates significant waste heat from friction and plastic deformation, which is useful for monitoring and controlling deposition consistency, thus real time thermographic videos during each test were collected using a FLIR T-300 thermal camera, and optical character recognition on it's display to obtain insight into the deposition temperature trends at the substrate-feedstock interface and better tune the surface feed-velocity at constant RPM to obtain electronic continuity in the as deposited metallic tracks on each ceramic substrate type. Real time macro videography was performed on each test to provide post-facto analysis and record any anomalies that would not be representative of typical performance. </p> <p>An appropriate spindle speed for deposition must be selected as well as appropriate vertical and linear feeds and speeds for the mini mill in micro friction surfacing. This is generally due to the need for a specific surface energy threshold associated with frictional heating and mechanical surface activation to be obtained between the feedstock and the substrate. This surface energy must exceed the free energy of reaction for diffusion and bonding to occur between the atoms of the substrate and those of the feedstock. A list of energies of formation for various transition metal carbides and oxides, necessary for bonding of metals to carbide and nitride sub-states by friction surfacing is shown. </p> <p>In short, by controlling spindle speed surface feed rate, and providing a constant down force by constant Z-X feed rate ratio on the minimill, it is possible to set a constant rate of heat evolved at the friction interface between the feedstock and substrate. If this heat evolved exceeds the heat of formation of a bonding compound of interest for long enough, the reaction of interest can proceed and a tenacious bond between metal and substrate can form. The details of accurately modeling heat evolved in friction surfacing, given the details of a specific deposition system and feed stock geometry are elucidated well elsewhere, [29], [30] so we will not go into them here. The primary point being that one can approximate appropriate deposition parameters for almost any material combination, knowing the free energy of formation of an appropriate bonding phase, and or the pressure-temperature phase diagram for the material pair of interest.</p> <h2>2.3 Characterization and measurement of test films</h2> <p>Bond strength of the HSMFS deposited films of copper and gold were tested initially by simple kapton tape pull testing, thereby assigning a minimum failure stress on film bond strengths. Temperature trends recorded during the deposition via thermography were correlated with resultant film resistivities and average height profiles and cycling performance for each set of parameters, each metal and each substrate; the most consistent and robust parametrization results were used in subsequent experiments to fabricate basic current carrying tracks with a mix of soldered and wire bonded terminals to demonstrate feasibility of HSMFS for rapid prototyping of electronics. </p> <h3>2.3.1 Electrical resistivity extraction and profilometry</h3> <p>Each material deposition was followed by profilometry (Dektak3030) at 3 points along each track, averaging the resultant maximum heights to determine film thickness and calculate sheet resistivity from resistance measurements on the multimeter(Fluke 77).</p> <h3>2.3.2 Maximum ampacity testing</h3> <p>Each printed specimen was terminated with copper tape, and soldered/wire bonded respectively. A taklife DC benchtop power supply was used to supply DC 31 volt power at up to 11 amps of current. An Arduino and high current shunt resistor current sensor measured the current flowing through the printed track, and acted to provide automatic control of current ramp up time. The current through the printed track was stepped up by the Arduino in steps of 25 milliamps every 60 seconds to provide time for thermal equilibration and avoid substrate fracture. This process continued until the track failed due to shorting, thermal breakdown, or electromigration failure. </p>
Data from: 3D printed digital pneumatic logic for the control of soft robotic actuators
<p>Soft robots are paving their way to catch up with the application range of metal-based machines and to occupy fields which are challenging for traditional machines. Pneumatic actuators play an important role in this development, allowing the construction of bioinspired motion systems. Pneumatic logic gates provide a powerful alternative for controlling pressure-activated soft robots, which are often controlled by metallic valves and electric circuits. Many existing approaches for fully compliant pneumatic control logic suffer from high manual effort and low pressure tolerance. In our work, we invented 3D printable, pneumatic logic gates that perform Boolean operations and imitate electric circuits. Within 7 hours, an FDM printer is able to produce a module that serves as either an OR, AND or NOT gate; the logic function is defined by the assigned input signals. The gate contains two alternately acting pneumatic valves, whose work principle is based on the interaction of pressurized chambers and a 3D printed 1 mm tube inside. The gate design does not require any kind of support material for its hollow parts, which makes the modules ready to use directly after printing. Depending on the chosen material, the modules can operate on a pressure supply between 80 and over 750 kPa. The capabilities of the invented gates were verified by implementing an electronics-free drink dispenser based on a pneumatic ring oscillator and a 1-bit memory. Their high compliance is demonstrated by driving a car over a fully flexible, 3D printed robotic walker controlled by an integrated circuit.</p>
3D printed biomedical devices and their applications: A review on state-of-the-art technologies, existing challenges, and future perspectives
<p>This repository consists of the data that have been utilized to imagine and subsequently construct Fig. 1, Fig. 3 , Fig. 5 , Fig. 6 and Fig. 7 of the article " H. B. Mamo, M. Adamiak and A. Kunwar. 3D printed biomedical devices and their applications: A review on state-of-the-art technologies, existing challenges, and future perspectives, Journal of the Mechanical Behavior of Biomedical Materials, 143 (2023) 105930. doi: 10.1016/j.jmbbm.2023.105930 ".</p> <p> Brief introduction of the files contained in this repository</p> <ol> <li> acronyms.csv: This file consists of the list of acronyms associated with materials and techniques used in 3D printing of biomedical devices.</li> <li>fig1a-data.csv: The csv file provides a relative ranking of different types of 3D printing techniques for biomedical applications based upon merits and limitations (wherever applicable). The technique listed as Rank 1 is considered as the most commonly used 3D printing procedure.</li> <li> fig1b-data.csv: The csv file enlists the benfits of the 3D printing techniques in biomedical applications as compared to subtractive manufacturing methods.</li> <li> fig3-data.csv: The file contains a comparison between conventional and customized tablet printing methods. The illustration is made through the manufacturing or printing of pharmaceutical tablets or pills. This illustation also applies to the production of pharmaceutical capsules. It thus illustrates that customized medicine is enabled using 3D printing technology.</li> <li> fig5-data.csv: This file enumerates the major challenges associated with 3D printing of biomedical devices.</li> <li> fig6-data.csv: The file enlists the roles of wearable smarts, cloud-based platforms and physicians in context of the hospitals implementing IoMT.</li> <li> fig7-data.csv: The aspects of IoMT Sensors,IoMT Platforms,3D Printers,Design and Prototypes within the integrated 3D printing-IoMT ecosystem are listed in the file.</li> </ol>
3D Printed Bigel: A Novel Delivery System for Cannabidiol-Rich Hemp Extract
<h2>Abstract</h2> <div>The therapeutic potential of <span>Cannabis sativa</span> L. extract has gained significant attention due to its diverse medical applications. Sublingual administration remains a common delivery method of cannabinoids; however, challenges often arise due to the inconvenient form of the extract and its taste. To address these issues, a novel bigel formulation was developed, combining water and oil phases to enhance stability and bioavailability. This formulation incorporates a cannabidiol-rich hemp extract, hyaluronic acid for its moisturizing properties, and a taste-masking agent to improve patient compliance and comfort. Using a standardized hemp extract rich in cannabinoids and a well-characterized terpene profile, the printability of the bigels was evaluated through 3D printing technology. A printout with known cannabidiol (CBD) and cannabidiolic acid (CBDA) content of 11.613 mg ± 0.192 of CBD and 4.732 mg ± 0.280 of CBDA in the printout was obtained. In addition, the release profile of CBD and CBDA was evaluated to determine the delivery efficiency of the active ingredient—dissolved active ingredient levels ranged from 74.84% ± 0.50 to 80.87% ± 3.20 for CBD and from 80.84 ± 1.33 to 98.31 ± 1.70 for CBDA depending on the formulation. Rheological studies were conducted to evaluate the viscosity of the bigels under varying temperature conditions, ensuring their stability and usability. Findings suggest that this 3D-printed bigel formulation could significantly enhance the delivery of cannabis extracts, offering a more convenient and effective therapeutic option for patients. This research underscores the importance of innovation in cannabinoid therapies and paves the way for further advancements in personalized medicine.</div>
Mechanochemical induced swelling-activation of a gastric-deployable 4D printed polypill inspired by natural hygromorphic actuators - Underlying data
<p>Underloying microfocus CT data of <em><strong>Mechanochemical induced swelling-activation of a gastric-deployable 4D printed polypill inspired by natural hygromorphic actuators</strong></em> by Konstantina Chachlioutaki, Nikolaos Papas, Zisis Chatzis, Orestis L. Katsamenis, Stephanie K. Robinson, Konstantinos Tsongas, Nikolaos Bouropoulos, Dimitrios G. Fatouros, Dimitrios Tzetzis, Christina Karavasili</p> <ul> <li>K. Chachlioutaki, Z. Chatzis, D.G. Fatouros, C. Karavasili<br>Laboratory of Pharmaceutical Technology, Department of Pharmacy, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece</li> <li>N. Papas, D. Tzetzis, C. Karavasili<br>Digital Manufacturing and Materials Characterization Laboratory, School of Science and Technology, International Hellenic University, 57001 Thermi, Greece</li> <li>O.L. Katsamenis, S.K. Robinson<br>μ-VIS X-Ray Imaging Centre, Faculty of Engineering and Physical Sciences, University road, Highfield campus, Southampton, SO17 1BJ, UK<br>Institute for Life Sciences, University of Southampton, University road, Highfield campus, Southampton, SO17 1BJ, UK</li> <li>K. Tsongas<br>Department of Industrial Engineering and Management, School of Engineering, International Hellenic University, 57001 Thessaloniki, Greece</li> <li>N. Bouropoulos<br>Department of Materials Science, University of Patras, 26504 Patras, Greece</li> </ul> <p> </p>
Dataset for a 3D-printed SuperCube cosmic test
<p>This is the dataset of a cosmic test of a 3D-printed plastic scintillator particle detector prototype.</p>
Post-treatment for 3D printed moulds
<p>The replication of a mould into a PDMS (silicone) replicate, called soft-lithography, is a usual step in micro-nanofabrication. However, when a 3D printed mould is used (produced from stereolithography), the resin blocks the curing of the PDMS. This inhibition can be eliminate by treating the moulds with various steps (UV post-curing, baking, immersion in solvents...). </p> <p>In this database, the post-treatments described in the litterature are gathered and can be sorted by different entries: </p> <ul> <li>method</li> <li>author</li> <li>printer model</li> <li>resin </li> </ul>
In-situ Treatment of manuscripts and Printed Books in Trinity College Dublin
<p>This is the recording and transcript of a lecture given by Anthony Cains in 1988 at the Fifth Anniversary Conference of the Parker Library Conservation Project. A publication based upon the conference paper, supplemented with new material and updated, was released in 1994:</p> <p>Cains, Anthony G. 1994. ‘<em>In-Situ</em> Treatment of Manuscripts and Printed Books in Trinity College Dublin’. In <em>Conservation and Preservation in Small Libraries</em>, edited by Nicholas Hadgraft and Katherine Swift, 127–31. Cambridge: Parker Library Publications.</p>
Fig. 4. – Cytisus anagyrius L in Augustin-Pyramus de Candolle's L'Heritier Reliquiae: A volume of miscellaneous prints kept in Geneva
Fig. 4. – Cytisus anagyrius L'Hér. (= Adenocarpus hispanicus (Lam.) DC.). Copper engraving based on P.-J. Redouté, avant la lettre, no date. [L'Héritier's Reliquiae] [Bibliothèque, Conservatoire et Jardin botaniques de Genève]
Fig. 3 in Augustin-Pyramus de Candolle's L'Heritier Reliquiae: A volume of miscellaneous prints kept in Geneva
Fig. 3. – Solanum muricatum Ait. Copper engraving based on P.-J. Redouté, no date. [L'Héritier's Reliquiae] [Bibliothèque, Conservatoire et Jardin botaniques de Genève]
Fig. 7 in Augustin-Pyramus de Candolle's L'Heritier Reliquiae: A volume of miscellaneous prints kept in Geneva
Fig. 7. – Manuscript list of species of the genus Solanum L. in L'Héritier's hand, no date. [Archives, Conservatoire et Jardin botaniques de Genève]
Fig. 6. – Michauxia campanuloides L in Augustin-Pyramus de Candolle's L'Heritier Reliquiae: A volume of miscellaneous prints kept in Geneva
Fig. 6. – Michauxia campanuloides L'Hér. Copper engraving based on P.-J. Redouté, no date. [Tabulae ineditae: tab. 116] [© Staatsbibliothek zu Berlin]
Fig. 1 in Augustin-Pyramus de Candolle's L'Heritier Reliquiae: A volume of miscellaneous prints kept in Geneva
Fig. 1. – First page of the leaflet of the genus Hymenopappus L'Hér., 1788. [L'Héritier's Reliquiae] [Bibliothèque, Conservatoire et Jardin botaniques de Genève]
Fig. 8 in Augustin-Pyramus de Candolle's L'Heritier Reliquiae: A volume of miscellaneous prints kept in Geneva
Fig. 8. – Manuscript title page for the eighth installment of L'Héritier's Stirpes novae in Candolle's hand, no date. [Archives, Conservatoire et Jardin botaniques de Genève]
Fig. 2. – Hymenopappus scabiosaeus L in Augustin-Pyramus de Candolle's L'Heritier Reliquiae: A volume of miscellaneous prints kept in Geneva
Fig. 2. – Hymenopappus scabiosaeus L'Hér. Copper engraving based on P.-J. Redouté, 1788. [L'Héritier's Reliquiae] [Bibliothèque, Conservatoire et Jardin botaniques de Genève]
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.