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. Author manuscript; available in PMC: 2018 Nov 28.
Published in final edited form as: HardwareX. 2018 Jun 20;4:e00035. doi: 10.1016/j.ohx.2018.e00035
Designator Component Number Cost
Per ($)		 Total
Cost($)		 Source Type
See Build
Instructions		 10–32 2″ Spade
screws (2 ct)		 1 6.95 6.95 https://www.grainger.com/product/GRAINGER-APPROVED-Thumb-Screw-1JUP3?breadcrumbCatId=11427&s_pp=false&picUrl=//static.grainger.com/rp/s/is/image/Grainger/1JUP2_AS01?$smthumb$ Metal
15 mL Centrifuge
Tubes (120 ct)		 1 11.99 11.99 https://www.amazon.com/Momok-Plastic-Centrifuge-17×120mm-Graduated/dp/B071KN58PV/ref=sr_1_1?ie=UTF8&qid=1503672698&sr=8–1-spons&keywords=15mL+conical+tubes&psc=1 Polymer
Silicone Tubing 1 19.62 19.62 https://www.amazon.com/gp/product/B000FMWTVG/ref=oh_aui_detailpage_o09_s00?ie=UTF8&psc=1 Polymer
Acrylic Plates
(3/16″ × 12″ × 24″)		 1 20.00 20.00 https://www.acmeplastics.com/cut-to-size-black-acrylic-sheet-cast-2025 Polymer
Plastruct Plastic
Weld		 1 11.79 11.79 https://www.amazon.com/Plastruct-Plastic-Weld-applicator-2oz/dp/B00FDFWJD8/ref=sr_1_1?ie=UTF8&qid=1504035237&sr=8-1&keywords=plastruct+plastic+weld Other
Filter Film 1 12.50 12.50 https://www.amazon.com/106-Primary-Red-Filter-Sheet/dp/B004GE19E2/ref=pd_sbs_421_3?_encoding=UTF8&psc=1&refRID=XQHV6JHWPPBDWYP4K54Q Polymer
Tin Plate (50 ct) 1 26.49 26.49 https://www.amazon.com/Handi-Foil-Smooth-Wall-Aluminum-Plate-Heavy/dp/B01JH4J6YU/ref=sr_1_11?ie=UTF8&qid=1510082841&sr=8-11&keywords=tin+pie Metal
Steel Sipper Tubes
(5/16″ × 4″)		 2 Bulk As
quoted		 http://unifabcorporation.com/animal-and-biomedical/mouse-water-bottles-stoppers-and-sipper-tubes/ Metal
Delrin Sheet 1 53.23 53.23 http://www.eplastics.com/ACTLBLK1-00012X12 Polymer
Wire 1 10.59 10.59 https://www.amazon.com/Softalk-Landline-Telephone-Accessory-46615/dp/B00HN3BLNW/ref=sr_1_4?s=electronics&ie=UTF8&qid=1504034305&sr=1-4&keywords=phone+cable Metal
Alligator Clips
(Mueller BU-55)		 3 .65 1.95 https://www.alliedelec.com/mueller-bu-55/70188500/ Metal
1 MΩ Resistors
(100 ct)		 1 6.16 6.16 https://www.amazon.com/dp/B0716SHM15/ref=biss_dp_sa1
 Ceramic
3.5 mm plugs (10 ct) 1 4.85 4.85 https://www.amazon.com/Uxcell-10-Pieces-Black-Plastic-Housing/dp/B00MFRZ2SG/ref=sr_1_1?s=electronics&ie=UTF8&qid=1504034508&sr=1-1&keywords=3.5+mm+jack&refinements=p_89%3Auxcell Metal
Heat Shrink Tubing 1 7.89 7.89 https://www.amazon.com/gp/product/B01GO1D4Z6/ref=s9_acsd_topr_hd_bw_blQPPf_c_x_w?pf_rd_m=ATVPDKIKX0DER&pf_rd_s=merchandised-search-3&pf_rd_r=EJKFN4FH5GD35F0EG0A9&pf_rd_t=101&pf_rd_p=27946f43–963c-5f78–8d5b-3c8005a0e4bc&pf_rd_i=700782011
 Polymer
CD (20 ct) 1 7.69 7.69 https://www.amazon.com/Hewlett-Packard-CR52020CB-CD-R-SPINDLE/dp/B000I2RD5U/ref=sr_1_6?s=electronics&ie=UTF8&qid=1510084549&sr=1-6&keywords=cd&dpID=51J5vJSQe1L&preST=_SX300_QL70_&dpSrc=srch Polymer
Epoxy 1 5.47 5.47 https://www.amazon.com/Gorilla-Epoxy-85-oz-Clear/dp/B001Z3C3AG/ref=sr_1_3?ie=UTF8&qid=1504035169&sr=8-3&keywords=epoxy Polymer
Velcro 1 2.98 2.98 https://www.amazon.com/VELCRO-Brand-Sticky-Strips-lack/dp/B000TGSPV6/ref=sr_1_1?ie=UTF8&qid=1504034930&sr=8-1&keywords=adhesive+velcro+strips Polymer
Headphones 1 5.40 5.40 https://www.amazon.com/MEE-Audio-Comfort-Fit-Headphones-Enhanced/dp/B017L216SO/ref=sr_1_10?ie=UTF8&qid=1504034772&sr=8-10&keywords=earbuds Non-
specific
other