Ti discs were polished and cleaned as previously described [11 (link)]. Afterwards, two nanostructures were produced (nanonets, NNs; and nanopores, NPs) using different anodization conditions using an Autolab (Metrohm Autolab BV, Utrecht, The Netherlands), with the Ti samples as anode and a platinum electrode (Metrohm Autolab BV, Utrecht, The Netherlands) as cathode. For the production of NN, polished titanium discs were anodized in an ethylene glycol based electrolyte (0.1 M NH4F, 8 M H2O) with a first anodization of 30 min at 35 V and a second one of 10 min at the same voltage. For the production of NP, polished titanium discs were anodized in an ethylene glycol-based electrolyte (0.1 M NH4F, 1 M H2O) with a first anodization of 30 min at 60 V and a second one of 10 min at the same voltage. In both protocols, a peeling was done between the first and second anodization using Scotch® MagicTM tape (3M, Maplewood, MN, USA).
Scotch magic tape
Manufactured by 3M
Sourced in United States, Sao Tome and Principe, Germany
Scotch Magic Tape is a transparent, matte-finished adhesive tape. It is designed for general office and home use, providing a clear, repositionable bond. The tape is made from a cellulose-based material and features a pressure-sensitive adhesive.
Automatically generated - may contain errors
Lab products found in correlation
Tewameter tm300, by Courage + Khazaka (2 mentions)
Biopsy punch, by Ted Pella (1 mentions)
Asap 2010, by Micromeritics (1 mentions)
Sirion 200, by Thermo Fisher Scientific (1 mentions)
Matlab, by MathWorks (1 mentions)
Thermanox, by Thermo Fisher Scientific (1 mentions)
Bx50 microscope, by Olympus (1 mentions)
Cam 101, by Biolin Scientific (1 mentions)
18 protocols using scotch magic tape
1
Titanium Nanostructure Fabrication
2
Synthesis of Cylindrical Cryogels via UV Photocrosslinking
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The cylindrical cryogels were synthesized in polystyrene templates via photochemical crosslinking. The templates were created by drilling 0.5 mm, 1 mm or 2 mm holes through a polystyrene sheet (Evergreen Scale Models, USA) of different thickness (0.5 mm, 0.7 mm or 1.5 mm respectively, as reported by the manufacturer). One side of the template was covered by Scotch Magic TM Tape (3M, Maplewood, Minnesota, U.S.A.) to cover the hole, thus creating a cavity in which the cryogels are be synthesized. An aqueous precursor solution was freshly prepared prior to use, containing 70 mg/mL PEGDA monomer and 10 mg/mL HMPP as a photoinitiator. 0.13 µL, 0.78 µL or 5.02 µL of this solution were added to the respective cavities. The filled templates were then placed in the freezer for 30 minutes at a processing temperature of -20°C. Then, each template was exposed to UV light (8 W UV hand lamp, wavelength 254 nm, Benda, Wiesloch, Germany) for 3 minutes whilst still at -20°C. The resulting cylindrical cryogels were removed from their template and washed two times with absolute ethanol and two times with Milli-Q in order to remove unbound monomers or photoinitiator. Finally, the cryogels were left to dry for 5 hours in a vacuum at room temperature.
3
Skin Barrier Assessment and Epidermal Irritation
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TEWL was measured using the Tewameter TM300 (probe 06030433, Courage & Khazaka, Cologne, Germany). Tape-stripping consisted of 3 repetitions of adhesive tape application (Scotch Magic tape, 3M, St. Paul, MN) performed one week following hair removal. Epidermal abrasion was induced by twice repeated shaving of ventral skin (Personna American Safety Razor Co., Verona, VA). Ear thickness following a single application of TPA (Sigma, 0.5 nmoles) was measured using an engineer’s micrometer (Mitutoyo 7301). Epidermal hypertrophy was induced by TPA (20 nmoles) application 2x/wk for 4 wks. Histologic examination and measurement of minimal epidermal thickness was performed as previously described (Lewis et al., 2014 (link)),
4
Skin Barrier Assessment and Epidermal Irritation
5
PDMS-Based Microfluidic Device for Rapid Filtration
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Our microfluidic system was a PDMS-based device, composed of an inlet, a channel, a filter trench, test strips, and a suction chamber (Fig 1 ). We first designed the microchannel (size: 20 mm × 1 mm × 0.1 mm) and suction chamber (50 mm × 7 mm × 1 mm) by using the Solidwork 2016 (Waltham, Massachusetts, USA) software and milled the pattern by using a computer numerical control machine (EGX-400 engraving machine, Roland, USA) to fabricate a poly(methyl methacrylate) (PMMA)-based master mold. Two 3-mm-thick PDMS (Sylgard 184 Elastomer Kit, Dow Corning Corporation, USA) slabs were made from a mixture of 8:1 (w/w). The PDMS slabs were baked at 80°C for 1 h in a precision drying oven (DOS 300, Dengyng, Taiwan). We then peeled them off the PMMA mold and punched the inlet and filter trench by using a 2-mm-diameter biopsy punch (Ted Pella Inc., USA). The PDMS slabs were irreversibly bonded to each other through infiltration of the device in oxygen plasma (Zepto Plasma, Diener, DE, USA) under 5 N oxygen pressure of 1 mbar (0.5 L h−1) at 60 W for 60 s. In the last step, the bottom of filter trench was sealed using Scotch Magic tape (3M, Maplewood, MN, USA).
6
Fabrication of Polymer Substrates for Thin OLEDs and PSCs
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Polymer substrates for ultrathin OLEDs and PSCs were fabricated by a NOA 63 photoresist, which was purchased from Norland Products Inc. (USA). Adhesive and elastomeric substrates (3 M VHB 4905 tape) and plastic tapes (Scotch Magic Tape) were purchased from the 3 M Company (USA). Metal stencils were custom-made by ZLDSK Corporation (China). MoO3, NPB (N,N′diphenyl-N,N′-bis(1,1′-biphenyl)-4,4′-diamine), CBP (4,4′-bis(N-carbazolyl)-1, 1′-biphenyl), Ir(BT)2(acac) (2,3,5,6-tetrakis(3,6-diphenylcarbazol-9-yl)-1,4-dicyanobenzene), TPBi (1,3,5-tris(N-phenyl-ben-zimidazol-2-yl)benzene), PCDTBT (poly(N-9′-heptadecanyl-2,7-carbazole-alt-5,5-(4′,7-di-2-thienyl-2′,1′,3′-benzothiadiazole))) and PC71BM ((6,6)-phenyl C71 butyric acid methyl ester) were purchased from Luminescence Technology Corporation (Taiwan, China). Ca was purchased from Sigma-Aldrich (USA). Ag was purchased from ZhongNuo Advanced Material (Beijing, China) Technology Co., Ltd. All materials for the fabrication of the OLEDs and PSCs were used as received without any treatment.
7
Aerial PCR: Drone-Based In-Flight Thermocycling
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In-flight
PCR was performed using a 3D Robotics IRIS+ quadcopter drone ($799
retail price in fall 2014, available for under $500 as of December
2015). The IRIS+ is a consumer-class drone that provides ∼25
min of flight time over programmed paths with an operation radius
of 5–10 miles. We routinely obtained flight times of 15–18
min with the convective thermocycler and smartphone payload. The thermocycling
instrument was preheated for 3 to 5 min prior to mounting the PCR
reactor onto the heater base using adhesive tape (Scotch Magic Tape,
3M). The assembled instrument was fastened to the drone using an elastic
Velcro strap. A 3200 mA h portable external battery charger (Vinsic
Tulip, 5 V, 1 A) was used to power the convective PCR device, while
the drone was powered by its internal high capacity rechargeable battery.
After landing, the postflight PCR products were collected for further
analysis. We also obtained successful results using a DJI Phantom
2 quadcopter drone, but with reduced flight times of 10–12
min owing to its lower payload capacity.
PCR was performed using a 3D Robotics IRIS+ quadcopter drone ($799
retail price in fall 2014, available for under $500 as of December
2015). The IRIS+ is a consumer-class drone that provides ∼25
min of flight time over programmed paths with an operation radius
of 5–10 miles. We routinely obtained flight times of 15–18
min with the convective thermocycler and smartphone payload. The thermocycling
instrument was preheated for 3 to 5 min prior to mounting the PCR
reactor onto the heater base using adhesive tape (Scotch Magic Tape,
3M). The assembled instrument was fastened to the drone using an elastic
Velcro strap. A 3200 mA h portable external battery charger (Vinsic
Tulip, 5 V, 1 A) was used to power the convective PCR device, while
the drone was powered by its internal high capacity rechargeable battery.
After landing, the postflight PCR products were collected for further
analysis. We also obtained successful results using a DJI Phantom
2 quadcopter drone, but with reduced flight times of 10–12
min owing to its lower payload capacity.
8
PDMS Nanoimprinting of Polymer Films
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Nanoimprinting was performed using a modified TQC Sheen automatic film applicator from Industrial Physics Inks & Coatings GmbH (Hilden, Germany). It was equipped with a custom-made 3 kg steel cylinder (8 cm in diameter and height) onto which a single PDMS stamp was attached using a double-sided tape from tesa SE (Norderstedt, Germany). Such an equipped steel cylinder was moved at 4 mm s−1 during imprinting. 60 μL of ink were injected directly in-between imprinting stamp and PET substrate using a pipette, right before imprinting. Ink residues adhering to the PDMS stamp after imprinting were removed using Scotch Magic Tape from 3 M Deutschland GmbH (Kleinostheim, Germany) before re-use. A comprehensive description of the imprinting process is given in Maurer et al.5 (link) The process is sensitive to humidity and must be performed above the dew point to prevent capillary condensation. Imprinting was typically carried out at 22 °C and 55% rH (dew point of 12.5 °C).
9
Adhesion Evaluation of Inkjet-Printed Gas Sensor
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The adhesion of an inkjet-printed single-layered gas sensor to the surface modified Kapton substrate on which the sensor had been printed was examined via a simple qualitative peel test23 (link)24 . Briefly, the backside of the sensor was glued with epoxy glue (The Gorilla Glue Company, Cincinnati, OH, USA) to a flat plastic surface. With its sticky side facing the front of the gas sensor, a piece of Scotch® magic tape (3 M Company, St. Paul, MN, USA) with a custom-made non-sticky tab was pressed firmly against the sensor. With the non-sticky tab as a handle, the tape was slowly peeled off from the sensor at an angle of ~90° and the sensor was then examined with visual inspection and optical microscopic analyses.
10
Characterization of TiO2 Nanotubes for Photovoltaics
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The morphology of the resulting NT powders was characterized by a field emission scanning electron microscope (FE-SEM; Sirion 200, FEI, Hillsboro, OR, USA). The relative Brunauer-Emmett-Teller (BET) surface area was evaluated by adsorption-desorption isotherms using nitrogen gas at 77 K (ASAP 2010, Micromeritics, Norcross, GA, USA). Samples were degassed at 200°C for 4 h under high vacuum prior to measurement. The pore size distribution was analyzed by Barrett-Joyner-Halenda (BJH) adsorption differential pore volume. TiO2 paste was prepared by adding of the powder (20 wt%) to a mixture of isopropanol:n-butyl alcohol = 1:4 (v/v) solution. Thereafter, the paste was mixed under magnetic stirring for 24 h. The paste was deposited on fluorine-doped tin oxide (FTO) glasses by using a doctor blade technique and then air-dried, forming a porous NT film. The film was reinforced by annealing again at 450°C. The thickness of the NT layer was approximately 10 μm, which was controlled by tapes (Scotch Magic Tape, 3 M, St. Paul, MN, USA). The crystal structures were verified by X-ray diffraction (XRD; Cu Kα radiation, Rigaku 9KW SmartLab, Rigaku, Tokyo, Japan) patterns.
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