Pipette Tips. Tip wafers drop into boxes easily and snap into place. 200 µl tip refill wafers.

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2 Pipette Tips Introducing easy volume identification by color Ecodesign - refill, reuse, and recycle Pure - no clarifiers or processing additives Clean - certified free of detectable RNase, DNase, DNA, and pyrogens Tip wafers drop into boxes easily and snap into place. Recessed tip compartments reduce movement for easier tip application. 200 µl tip refill wafers. Long-life hinges open 120 for easy access. Tip identification is easier than ever with new TipOne color-coded wafers. Four new wafer colors correspond to pipette volume: red for 2.5, 10, and 20 μl pipettes with ultra micro tip cones; yellow for volumes from 20 to 200 μl; green for 300 μl; and blue for 1000 μl pipettes. (All new colors replace the original purple wafers; selected tips may still ship with purple wafers for a limited time. TipOne RPT low retention tips retain their orange wafers for instant recognition.) Choose TipOne for exceptional fit, accurate delivery, and less laboratory waste. TipOne is engineered to fit most popular pipettes and will seal completely with gentle pressure. Smooth walls, flash-free ends, and tight tolerances provide excellent accuracy and precision. TipOne is the original easy-to-load, refillable pipette tip system that saves space and reduces laboratory waste. TipOne is made from pure virgin polypropylene. No clarifiers or processing additives (slip agents, biocides, antistatic agents, etc.) are used. Frequent and fastidious maintenance eliminates the need for mold release agents and keeps tip surfaces smooth. For difficult samples, we offer ultra low retention tips made without silicone or other removable coatings that could affect your research. TipOne products are packed in particulate-free plastic. We don t use cardboard, paper, or other uncharacterized materials as tip containers. TipOne is manufactured in the USA using fully automated, state of the art equipment housed in a positive pressure, HEPA filtered environment. Our long-life racks are designed for repeated autoclaving without warping. If you use TipOne refill wafers instead of buying new racks you can save over 65% plastic for each unit of 960 tips. All TipOne racks, lids, wafers, and stacks are marked for easy recycling. TipOne is certified free of detectable RNase, DNase, DNA and pyrogens and does not need to be autoclaved for most molecular biology applications. TipOne is also available in sterilized racks. All TipOne packaging can be recycled. Stack option saves space and plastic. 2 USA SCIENTIFIC, INC.

3 Advanced Tip Design 10 µl Pipette Tips 10/20 µl XL Advanced Tip Design enhances performance Two collar styles let you select your best fit Secure fit on single and multichannel pipettes Minimal sealing and ejection forces Accurate and precise delivery New Advanced Tip Design Experience even more performance and fit across a wider variety of pipettes and working conditions with our Profile enhancements. Profile Point. Thinner orifice walls and decreased surface area improve sample release. Plastic use is also reduced. Profile Collar. Softer, more flexible collar lowers application and ejection forces and fits a wider variety of pipettes. The Profile Collar is identified by a new design with alternating triangles and columns. Now you can choose our original collar or the Profile Collar to get the best fit for your pipette. Profile Wall. Advanced molding technologies create thinner walls with greater clarity while maintaining optimum coaxiality, strength, and accuracy. Requires less plastic and reduces environmental impact. 200 µl Beveled 200 μl Profile Point 300 µl 1000 µl 1250 μl XL Profile Point features thin walls for optimum sample delivery The following tips include our new Profile elements: 10/20 µl XL TipOne and TipOne RPT tips fit 2.5 µl, 10 µl, and 20 µl pipettes with ultra micro tip cones. Extra length allows easier use with 1.5 ml and other tubes, and even the filter tips will deliver up to 20 µl. A new collar design improves fit on more pipette brands. The Profile Wall has a smaller circumference, and the thin Profile Point aids sample release. Graduated at 1, 5, 10, and 20 μl. 200 µl TipOne and TipOne RPT Profile Point tips are the same length as other 200 µl TipOne tips. They feature the softer Profile Collar, thin Profile Wall clarity, and the thinner Profile Point. Graduated at 10, 50, and 100 µl. 300 µl TipOne and TipOne RPT tips allow additional clearance between the pipette and the meniscus at full volume for greater protection from cross-contamination. New Profile Collar lowers application and ejection forces (critical with multichannel pipettes), while the thinner Profile Wall improves clarity and reduces polypropylene use. Graduated at 100, 200, and 300 µl µl TipOne tips. Profile Collar improves fit and reduces application and ejection forces. Racked tips are stabilized for easier application and are multichannel compatible. New Profile Wall is thinner and clearer with a smaller circumference for easier reach into 1.5 ml tubes and deep well plates. Graduated at 250, 500, and 1000 µl. Profile Wall uses less plastic for greater clarity while retaining coaxiality, strength, and accuracy Profile Collar flexes for a better fit with less force Advanced Tip Design All tips with new Profile features have a yellow Advanced Tip Design label for easy recognition. USA SCIENTIFIC, INC. 3

4 Pipette Tips Ordering Information for TipOne Certified free of detectable RNase, DNase, DNA, and pyrogens. Racks 10 racks of 96 (960 tips Refills 10 wafers of 96 (960 tips Starter Systems 10 full racks and 20 refill wafers (30 x 96 tips). Stacks 5 layers of 192 (960 tips) Original Collar Profile Collar 10 μl graduated (2.5, 10 µl) μl graduated (2.5, 10 µl), sterile /20* μl XL, graduated (1, 5, 10, 20 µl) μl beveled μl beveled, sterile μl beveled, yellow μl Profile Point, grad. (10, 50, 100 µl) μl μl, yellow μl graduated (100, 200, 300 µl) μl graduated (250, 500, 1000 µl) μl grad., blue (250, 500, 1000 µl) ** μl XL, grad. (100, 250, 500, 1000 µl) Graduations represent standard laboratory conditions for aqueous solutions. Results may vary depending upon viscosity and temperature. Ordering Information for TipOne RPT 4 All low retention tips have orange wafers. Certified free of detectable RNase, DNase, DNA, and pyrogens. *10/20 µl XL tips fit most ultra micro pipettes and ErgoOne 20 μl with ultra micro tip cone. **1250 μl XL tips fit most 1000 μl pipettes. Ultra Low Retention Technology TipOne RPT ultra low retention technology refines polypropylene tip surfaces at a molecular level, improving the flow dynamics of viscous liquids and other difficult samples. Recommended applications for TipOne RPT include selected nucleic acids, proteins, and solutions with Triton-X, glycerin, or other components that require an extremely low surface energy for complete sample release. TipOne RPT will also ensure optimum delivery of aqueous and other common laboratory solutions. In contrast to other technologies that use siliconized or fluorocoated surfaces, TipOne RPT tips offer exceptional delivery without the risk of interaction with additives or treatments, even after sterilization or autoclaving. USA SCIENTIFIC, INC. Racks 10 racks of 96 (960 tips) Refills 10 wafers of 96 (960 tips) Starter Systems 10 full racks and 20 refill wafers (30 x 96 tips) Original Collar Profile Collar 10 μl graduated (2.5, 10 µl) μl beveled μl Profile Point, grad. (10, 50, 100 µl) μl graduated (100, 200, 300 µl) ** μl XL, grad. (100, 250, 500, 1000 µl) Graduations represent standard laboratory conditions for aqueous solutions. Results may vary depending upon viscosity and temperature.

5 Filter Tips Advanced Tip Design 10 µl 10/20 µl XL Advanced Tip Design enhances performance and fit Introducing easy volume identification by color Proprietary UHDPE filters block >99% of aerosols Experience even more performance and fit across a wider variety of pipettes and working conditions with our Profile enhancements. See page 3 for detailed information. Tip identification is easier than ever with new TipOne color coded wafers. Four new wafer colors correspond to pipette volume: red for ultra micro tip cones; yellow for volumes from 20 to 200 μl; green for 300 μl; and blue for 1000 μl. (All new colors replace the original purple wafers; selected tips may still ship with purple wafers for a limited time. TipOne RPT low retention filter tips have orange wafers for instant recognition.) Now available: new Profile filter tips! See page 3 for details about Advanced Tip Design and Profile enhancements. 20 µl Profile Point 20 µl 50 µl 100 µl Profile Point 100 µl 155 µl Eliminate harmful aerosol transfers. TipOne filter tips can prevent the crosscontamination that ruins experiments and wastes samples. TipOne is made from virgin polypropylene. No clarifiers or processing additives (slip agents, biocides, antistatic agents, etc.) are used. Our ultra low retention filter tips are made without silicone or fluoro-coatings. With TipOne, your results will not be compromised by potentially bioactive ingredients. Sterilized and certified free of detectable RNase, DNase, DNA, and pyrogens. Ordering Information for TipOne Filter Tips 10 racks of 96 (960 tips) Original Collar Profile Collar TipOne TipOne RPT Ultra Low Retention 10 μl graduated /20* μl XL, graduated μl beveled μl Profile Point, grad μl beveled μl beveled μl Profile Point, grad μl beveled μl graduated μl graduated μl μl XL, graduated Graduations represent standard laboratory conditions for aqueous solutions. Results may vary depending upon viscosity and temperature µl XL 200 µl 300 µl 1000 µl 1000 µl XL Advanced Tip Design All filter tips with new Profile features have a yellow Advanced Tip Design label for easy recognition. TipOne Filter Tip Graduations Tip Graduations 10 μl 2.5 and 10 μl 10/20 μl XL 1, 5, 10, and 20 μl 20 µl Profile Point 10 µl 100 µl Profile Point 10, 50 µl 200 μl 10, 50, and 100 μl 300 μl 100, 200, and 300 μl 1000 μl XL 100, 250, 500, and 1000 μl Laboratory tests with 100 nm particles prove TipOne ultra high density filters provide greater protection than competing brands, blocking >99% of particles. With today s sensitive procedures, can you risk 6-25% of aerosols reaching your sample? See for more information. *10/20 µl XL tips fit most ultra micro pipettes and ErgoOne 20 μl with ultra micro tip cone. USA SCIENTIFIC, INC. 5

6 2.5 µl 10 µl 20 µl micro tip cone 20 µl standard tip cone 100 µl 200 µl 1000 µl 5 ml Reproducible Results ErgoOne pipettes are engineered and manufactured to meet strict accuracy and precision specifications. High quality materials provide reproducible results day after day. Each pipette carries an individual serial number and is supplied with a certificate of EN ISO 8655 quality test results. The four-digit display helps you specify a more accurate and reproducible volume, while the volume control locks into place to eliminate drifting or changing during use. Stress-Relieving Ergonomic Design Smooth, even plunger forces give you maximum control over sample delivery while minimizing repetitive strain. Tip application requires minimal pressure for complete sealing, and the light, balanced weight reduces fatigue. The handle and curved support hook promote a natural, relaxed grip, and the body length has been optimized for reduced arm stress. The four-digit volume display is viewable during use by both left and right handed users. The volume can be quickly changed with minimal effort, and our popular No-Drift volume lock can be set and released with just one hand. ErgoOne multichannel tip cone o-rings reduce the tip attachment and ejection forces required for 100 µl and 300 µl pipettes. O-rings also reduce wear on the tip cones and provide better sealing and compatibility with various tips. Designed by Researchers We put our years of liquid handling experience to work to create a pipette that reflects your needs. Consulting with laboratory researchers throughout the process, our design team combined the most requested features with the latest ergonomic findings to create an optimized pipette that will become your new favorite. Durable Construction ErgoOne pipettes will withstand the rigors of daily laboratory use and are fully autoclavable. The exterior is made with durable UV- and chemicalresistant polypropylene. Single channel 2.5 µl, 10 µl, and 20 µl ultra micro pipettes have stainless steel tip cones for longer life. All ErgoOne pipettes have a three-year warranty. 4-digit display for increased accuracy Curved, ergonomic support and No-Drift volume lock Plunger forces maximize control and minimize strain Stainless steel ultra micro tip cones for longer life (single channels) 6 USA SCIENTIFIC, INC.

7 ErgoOne Pipettes Pipetting optimized. Plunger forces maximize control with minimal stress No-Drift volume lock Comfortable grip and weight Centrally located 4-digit display Autoclavable Protect your samples and pipette a full 300 µl with the advantages of a filter tip. New TipOne 300 µl graduated filter tips are now available. These newly designed tips are available both with and without a filter, and in standard or ultra low retention polypropylene. See pages 3-5 for more information. ErgoOne Single Channel , µl , µl , 2-20 µl, ultra micro tip cone , 2-20 µl, standard tip cone , µl , µl , µl , µl Cascading ejector sleeve reduces ejection forces. ErgoOne Eight Channel , µl , µl , µl ErgoOne Twelve Channel , µl , µl , µl O-rings reduce tip cone wear and provide better sealing and tip compatibility. ErgoOne Support Stands Carousel stand holds up to 8 single or multichannel ErgoOne pipettes. Weighted metal base prevents tipping , ErgoOne carousel stand Linear white acrylic stand holds single or multichannel pipettes with curved finger rests. Compatible with most common brands , Linear acrylic stand USA SCIENTIFIC, INC. 7

8 Liquid Handling and Sample Prep 5 ml ml Pipette Tips Graduated every 0.5 ml from 1-5 ml. RNase, DNase, and DNA free. Sterile tips are also non-pyrogenic. Tips fit ErgoOne and Gilson Pipetman brands; 5 ml tips for other pipettes are also available. Polypropylene , 5 ml tip, 2 bags of 250 (500) , 5 ml tip, 10 racks of 50 (500) , 5 ml tip, 10 racks of 50 (500), sterile , 5 ml filter tip, 10 racks of 50 (500), sterile Gel-Saver Pipette Tips 68.5 mm length and narrow, round 0.6 mm OD orifice for easier gel loading. Fits most 20, 50, 100, and 200 µl pipettes. Natural polypropylene , 200 μl, 5 racks of 204 (1020) , 200 μl, 5 racks of 204 (1020), sterile , 200 µl, 1000/bag , 100 μl filter tip, 5 racks of 204 (1020), sterile x-tracta Gel Band Removal Tool Get cleaner DNA in less time and with less effort. x-tracta cuts and holds gel bands until you are ready to release them. Eliminates cross contamination from scalpels or tweezers; also speeds up band removal to minimize UV exposure time and protect both samples and users , 100/pack , 25/pack Speed through assay preparation. Repeating Pipette Repetitive dispensing of 10 µl to 5 ml with just one tool. Speedy, precise assays are easy with the manual repeating pipet. Turn the top dial to select one of five dispensing volumes per tip. Positive displacement syringe tips ensure accuracy, even when handling high or low density solutions such as oils or alcohols. Use with USA Scientific tips. Also accepts Eppendorf Combitips advanced tips. Includes one adapter for 25 and 50 ml tips. Two year warranty , Repeating pipette , Adapter for 25 and 50 ml tips, 1/pack Tips for Repeating Pipettes Polyethylene piston and polypropylene cylinder withstand aggressive reagents. 25 and 50 ml tips require an adapter (sold separately). USA Scientific brand tips fit the dispenser above and many other dispensers that do not require automatic tip recognition. Not for use with Eppendorf Repeater Plus. 100/pack. Total Volume Non-Sterile Sterile 0.5 ml ml ml ml ml ml ml x-tract is a trademark of LabGadget LLC. USA SCIENTIFIC, INC.

9 Liquid Handling and Sample Prep Serological Pipettes Polystyrene pipettes are individually wrapped in paper-backed plastic wrappers. Volume indicators are large and easy to read; 5, 10, 25, and 50 ml pipettes include ascending and descending numbers. Negative graduations provide extra capacity. Color coded by volume for quick identification. Sterile, non-cytotoxic, and certified free of detectable RNase, DNase, and pyrogens , 1 ml, 0.1 ml graduations, 100/sleeve, 1000/case , 2 ml, 0.01 ml graduations, 100/sleeve, 500/case , 5 ml, 0.1 ml graduations, 50/sleeve, 200/case , 10 ml, 0.1 ml graduations, 50/sleeve, 200/case , 25 ml, 0.2 ml graduations, 50/sleeve, 200/case , 50 ml, 0.5 ml graduations, 25/sleeve, 100/case Sterile Culture Tubes Polypropylene tubes are resistant to many chemicals and are autoclavable. Polystyrene tubes offer glass-like clarity. Sterilized tubes include dual position polyethylene caps that protect contents while allowing gas exchange. Close completely for sealed storage. Polypropylene , 12 x 75 mm, 20 bags of 25 (500) , 17 x 100 mm, 20 bags of 25 (500) Polystyrene , 12 x 75 mm, 20 bags of 25 (500) , 17 x 100 mm, 20 bags of 25 (500) Conical Centrifuge Tubes Screw cap tubes have a large white labeling area and easy to read graduations. High density polyethylene caps have sealing rings for a leak-proof seal. Sterile tubes have caps applied; caps for non-sterile tubes are included in separate bags ml Copolymer Polypropylene High durability. Withstands 6400 x g and -40 to +120 C , Non-sterile, 500/bag , Sterile, 25/bag, 500/case , Sterile, 50/rack, 500/case 15 ml Polystyrene Glass-like clarity. Withstands 1800 x g and +20 to +70 C , Non-sterile, 500/bag , Sterile, 50/rack, 500/case 50 ml Copolymer Polypropylene High durability. Withstands 10,000 x g and -40 to +120 C , Non-sterile, 500/bag , Sterile, 25/bag, 500/case , Sterile, 25/rack, 500/case USA SCIENTIFIC, INC. 9

10 Tubes and Labels Cap inserts ArcticIce Cryogenic Tubes Choose internal (silicon-rubber o-rings) or external (flexible sealing lip) threads. Tubes have black 100 μl graduations and large white labeling surfaces. Convenient self-standing, tamper evident bags are resealable. Made in the USA from medical grade polypropylene with HDPE caps; USP Class VI approved. Tubes are certified RNase, DNase, DNA free, and nonpyrogenic. 50 tubes/pack. Self-Standing, Star-Shaped Base Saf-T-Seal Screw Cap Tubes Polypropylene screw cap microcentrifuge tubes protect samples stored in -80 C freezers or vapor-phase liquid nitrogen. Strong construction withstands centrifugation up to 20,000 x g or extended boiling. Deep threaded caps feature an EPR O-ring. Certified RNase, DNase, and DNA free. Tested to be free of pyrogens and non-autofluorescent. Autoclavable. Self-standing tubes have an inner conical base and an outer skirt. 2.0 ml tubes have graduations and a frosted writing surface. 0.5 ml and 1.5 ml selfstanding tubes are unmarked. All conical bottom tubes are graduated and have a frosted writing surface. Each pack contains 500 tubes and 500 caps , 2.0 ml self-standing tube with cap, natural , 1.5 ml self-standing tube with cap, natural , 0.5 ml self-standing tube with cap, natural , 2.0 ml conical bottom tube with cap, natural , 1.5 ml conical bottom tube with cap, natural Round Bottom Base ArcticIce, Cryogenic Tubes, Sterile 1.0 ml, internal thread, V-bottom ml, external thread, V-bottom ml, internal thread, U-bottom ml, external thread, U-bottom ml, internal thread, U-bottom ml, internal thread, U-bottom ml, external thread, U-bottom Cap Inserts Ten assorted colors, 500/pack (not for ) Contact us for information on sterile, amber, or black tubes or natural tubes with color caps. Tough-Spots Convenient labels withstand temperatures from -196ºC to +80 ºC without peeling or becoming brittle. Vinyl; 1000/roll. Tough-Tags Convenient labels withstand autoclaving, boiling, freezing to -40ºC, or heating to 121ºC without peeling or cracking. Polyester; 1000/roll , ½ for ml tubes, white XX*, ½ for ml tubes, colors , 3 /8 for 0.5 ml tubes, white XX*, 3 /8 for 0.5 ml tubes, colors *To order a color replace XX with 01=blue, 02=green, 03=orange, 04=red, 05=violet, 06=yellow, 07=pink, 14=maroon, 16=gold, 17=coffee, or 18=silver. USA SCIENTIFIC, INC , 1.28 x 0.5, ml tubes, white X**, 1.28 x 0.5, ml tubes, colors , 1.28 x 0.5, ml tubes, clear , 0.94 x 0.5, 0.5 ml tubes, white X**, 0.94 x 0.5, 0.5 ml tubes, colors , 0.94 x 0.5, 0.5 ml tubes, clear ** To order a color replace X with 1=blue, 2=green, 3=orange, 4=red, 6=yellow.

11 Microcentrifuge Tubes Strong, Dependable, Multi-Tasking Tubes Seal-Rite tubes protect your samples with a precision sealing system that prevents evaporation, leakage, and accidental opening. Rated for centrifugation up to 25,000 x g and packed in tamper evident, zip top bags for safe storage. Certified free of detectable RNase, DNase, DNA, and pyrogens. Autoclaving is not necessary for most molecular biology applications. PRONOUNCED SEALING RIM Seal-Rite tubes are pure virgin polypropylene and are manufactured with fully automated, state of the art production equipment housed in a positive pressure, HEPA filtered environment. No processing additives such as slip agents, biocides, or antistatic agents are used during production. Your samples remain protected from potential bioactive contaminants. Tested for centrifugation up to 25,000 x g Zip top tamper evident bags reseal for safer storage Seal-Rite 1.5 ml Tubes , Natural, 500/bag , Natural, sterilized*, 5 bags of 100 (500) , Assorted colors, 5 bags of 100 (500) , Amber, 500/bag Seal-Rite 2.0 ml Tubes Rounded base creates a more visible pellet that is easier to resuspend. Ideal for bacteria and other cells , Natural, 500/bag , Assorted colors, 5 bags of 100 (500) , Amber, 500/bag Seal-Rite 0.5 ml Tubes , Natural, 5 bags of 200 (1000) , Assorted colors, 5 bags of 200 (1000) , Amber, 1000/bag *Sterile tubes have a limit of 20,000 x g. Rounded base for easier pellet resuspension 2.0 ml THUMB-FRIENDLY BEVELED TAB EXTENDED SEALING ZONE FROSTED WRITING SURFACE AND 100 µl GRADUATIONS Assorted Colors Can your tube pass all of these tests? Seal-Rite can. Centrifugation at 25,000 x g for extended periods Pass No clarifiers to affect results Maintains a seal while boiling Pass Pass Microcentrifuge tubes can be specialized for specific tasks or designed for general purpose use. While other brands may pass one or two tests, many will not pass all three. Why not stock your lab with a multi-tasking tube designed for all of your experiments? Tech Note: Microcentrifuge Tube Leak Test Does your tube maintain a seal while heating? Although a tube may remain closed, evaporation can occur when a seal is incomplete. Seal-Rite passes the test with no leaks! A Water-sensitive paper before test. B No leakage with Seal-Rite tubes! Water-sensitive paper has a specially coated yellow surface that turns blue when exposed to moisture. This indicating paper (A) was placed across the top of Seal-Rite (B) and other (C-H) 1.5 ml tubes containing 1 ml of 50% ethanol and incubated at 95 C for 15 minutes in a dry bath with a tightly closed lid. Tube brands C-H show varying levels of failure. Not sure about your tubes? Try Seal-Rite for worry-free incubations or storage. Contact us for samples. C E G D F H USA SCIENTIFIC, INC. 11

12 CytoOne Cell Culture 96-well 6-well CELL CULTURE PERFORMANCE WARE TM Multiple Well Plates Designed for optimum growth and secure handling, CytoOne plates are made from premium grade, virgin polystyrene and offer crystalclear surfaces for distortion-free microscopy. Non-reversible lids with condensation rings minimize contamination and are vented for improved gas exchange. Support tabs reduce surface contact when lids are set aside or propped open. CytoOne plates have molded alphanumerics for well identification, frosted writing surfaces, and complete 360 Protection Perimeter chimney wells to minimize edge effects and prevent cross contamination. (384-well plates have raised well rims.) Clear plates have gripping areas for safer handling. All plates are certified DNase, RNase, DNA, and pyrogen free and are gamma sterilized. Individually wrapped and lot traceable. 360 chimney with perimeter and inter-well spaces Vented skirt with ridged gripping area Optically clear for distortion free microscopy Tight manufacturing tolerances maximize flatness Ridged bases secure your grip 360 Protection Perimeter wells prevent cross contamination Perimeter and inter-well spaces accept media for reduced edge effects Vented skirt allows air circulation and reduces condensation between stacked plates Certified DNase, RNase, DNA, and pyrogen free Non-cytotoxic Gamma sterilized Lid support tabs reduce surface contact 360 Protection Perimeter inter-well spaces on 96-well plate demonstrated with blue solution. TC Treated Plates Flat-bottom. Individually wrapped with lids. 50/case. CC , 6-well, clear CC , 12-well, clear CC , 24-well, clear CC , 48-well, clear CC , 96-well, clear CC , 96-well, black CC , 384-well, clear CC , 384-well, white 12 Having problems with cells clumping around the outer edges of a well? CytoOne plates accept fluid in their inter-well spaces for reduced edge effects. See usascientific.com/cytoone for more information. USA SCIENTIFIC, INC. Non-Treated Plates Flat-bottom. Individually wrapped with lids. 50/case. CC , 6-well, clear CC , 24-well, clear CC , 48-well, clear CC , 96-well, clear

13 CytoOne Cell Culture Trust CytoOne for consistent surfaces with certified testing. Made from optically clear, premium grade polystyrene. ISO 9001 production and manufacturing with rigorous quality control. Cell Culture Dishes Sturdy flat bases resist bowing and warping. Optimized lid/base height ratios (all sizes), beveled bases (35 and 60 mm), and lid tabs (150 mm) allow easy pickup and handling without accidental lid displacement. Small sleeve quantities minimize contamination risks Vented stacking rings reduce condensation between dishes Vented, untreated lids aid gas exchange and decrease condensation Certified DNase, RNase, DNA, and pyrogen free; non-cytotoxic Gamma sterilized CELL CULTURE PERFORMANCE WARE TM 35 x 10 mm Grip tabs on 150 mm dish lids for easier lid removal. 35 x 10 mm 10/sleeve, 300/case 60 x 15 mm 10/sleeve, 300/case 100 x 20 mm 10/sleeve, 300/case 150 x 20 mm 5/sleeve, 60/case TC Treated CC CC CC CC Non-Treated CC CC CC CC Beveled base for easy handling of 35 and 60 mm dishes. Cell Culture Flasks Treated and non-treated flasks are 100% pressure tested for leak-free assurance. All have canted or angled necks, molded volume graduations and frosted writing surfaces. T25, T75, and T150 flask bases have etched lot numbers. Easy open, resealable zip top bags protect unused flasks Anti-tip skirts and base bars improve stability Wide, anti-drip necks provide easy access Vented stacking rims minimize condensation between flasks Optical clarity provides distortion-free microscopy Certified DNase, RNase, DNA, and pyrogen free; non-cytotoxic. Gamma sterilized T25, 10/sleeve 300/case T75, 5/sleeve 100/case T150, 5/sleeve 40/case T225, 5/sleeve 25/case TC Treated Filter Cap, Green TC Treated 2-Position Cap, Green Non-Treated 2-Position Cap, White CC CC CC CC CC CC CC CC CC CC CC Easy-open, resealable zip top sleeve. Vented filter caps Cell Lifters and Scrapers Gentle silicone rubber blades are easy on cells. Pivoting blades reach into corners easily; flexible ABS handles provide better contact inside flasks. Fixed blade scraper lifts cells from 6-, 12-, or 24-well plates or dishes. Individually wrapped (25/inner pack, 100/case). Gamma sterilized. CC , 10 mm pivoting blade, 25 cm handle (not shown) CC , 12 mm pivoting blade, 32 cm handle (A) CC , 11 mm fixed blade, 22 cm handle (B) A USA SCIENTIFIC, INC. 13 B Soft silicone rubber gently removes cells. Pivoting blades reach into flask corners.

14 PCR Tubes; Sealing Film Unique hinge holds tube open at a convenient angle Contamination guard Pronounced sealing rim Individual PCR Tubes Polypropylene tubes with superior sealing, contamination guard, and positionable hinged lid. Certified free of detectable RNase, DNase, and DNA free. 1000/box , 0.2 ml, natural, dome caps Flex-free strips resist bending while handling. Non-autofluorescent, virgin polypropylene. Certified free of RNase, DNase, DNA, and PCR inhibitors. Tested pyrogen free. Contact us for samples! Tube Flex-Free Strips with Individually Attached Caps Convenient strips have individual optically clear flat caps to reduce cross-contamination. 120 strips of 8 per box (960 tubes) , 0.2 ml, natural , 0.1 ml, natural , 0.2 ml, white , 0.1 ml, white , 0.2 ml, assorted colors 8-Tube Strips with Strip Caps Strip caps for quick sealing. 125 strips of 8 per box (1000 tubes). Colors , 0.2 ml, natural, optically clear flat caps , 0.2 ml, white, optically clear flat caps , 0.2 ml, natural, dome caps , 0.2 ml, assorted colors, dome caps Tube Flex-Free Strips with Attached Strip Caps Optically clear flat cap strips are hinged to the tube strips at one end. 125 strips of 8 per box (1000 tubes) , 0.2 ml, natural , 0.2 ml, white , 0.2 ml, assorted colors All TempPlate seals are certified free of detectable RNase, DNase, and nucleic acids. Standard cut film extends to the edges of the plate. The universal inset cut also fits plates with raised sides. TempPlate TempPlate XP TempPlate RT BEST SELLER Easy to apply and remove. PCR Sealing Options Traditional PCR Films Best evaporation and tear resistance. Clear formulation and ultra-smooth adhesive minimize light distortion. Real-Time (Optically Clear) PCR Films TempPlate RT Select Silicone adhesive. No-curl formulation stops edge effects. Won t stick to gloves. TempPlate TempPlate Single Tab BEST SELLER Blocks light and provides an excellent moisture barrier. PCR Foils Easy removal with non-perforated tab. Blocks light and moisture. 14 Standard Cut, Non-Sterile Inset Cut, Non-Sterile Standard Cut, Sterile End Tab(s) , not perforated Temperature Range -40ºC to +120ºC -40ºC to +120ºC -40ºC to +120ºC -70ºC to +100ºC -80ºC to +120ºC -80ºC to +120ºC Pierceable No No No No Yes Yes Quantity /50* 100 *Non-sterile 100/box, sterile 50/box USA SCIENTIFIC, INC.

15 Get rapid, even heat transfer for consistent and effective PCR. High visibility alphanumerics; tamper-evident sleeves minimize exposure. Manufactured in the USA from non-autofluorescent, FDA approved virgin polypropylene. Semi-Skirted 96-Well Plates PCR Plates Rimmed wells minimize cross contamination. Two/sleeve (except and barcoded options), 10/box. 0.2 ml, Contoured Sides Fits most cyclers, including Prism and GeneAmp systems , A12 notch, natural , A12 notch, assorted colors , A12 notch, white Plates available with standard 128 barcodes Certified RNase, DNase, DNA, and PCR inhibitor free Tested pyrogen free Contact us for free samples! 0.2 ml, Straight Sides , A12 notch, natural , A12 notch, natural, bulk pack 0.2 ml, Raised Contoured Sides , A12 notch, natural 0.1 ml, Low Profile, Straight Sides Fits the LightCycler 480. H12 corner notch , Natural , Natural, barcode on A1-A12 side , White , White, barcode on A1-A12 side ml, Low Profile, Raised Straight Sides Fits ABI Fast cyclers , A1 notch, natural , A1 notch, white Non-Skirted 96-Well Plates Fits LightCycler Fits ABI Fast cyclers Two/sleeve, 10/box. 0.2 ml, Chimney Wells , H12 notch, natural , H12 notch, assorted colors 0.2 ml, Rimmed Wells , A12 notch, natural , A12 notch, assorted colors , A12 notch, white ml, Low Profile, Rimmed Wells , H12 notch, natural , H12 notch, white Full-Skirted 96-Well Plates 0.1 ml low profile, rimmed wells, stackable. Two/sleeve, 10/box , A12 notch, natural , H1 notch, white Full-Skirted 384-Well Plates Conical flat-bottom wells with raised rims. A24 and P24 corner notches. LightCycler compatible. Ten/box , Natural , Natural, barcode on P1-P24 side , White , White, barcode on P1-P24 side LightCycler is a trademark of Roche Diagnostics GMBH ABI, ABI Prism and GeneAmp are trademarks of Applera Corporation USA SCIENTIFIC, INC. 15

16 Polypropylene Plates Deep Well Plates High contrast, easy to read alphanumerics Raised rims enhance sealing and reduce cross contamination Plates stack without damage to sealing films or foils Bottom shape indicator on each plate 2 ml PlateOne Temperature and Centrifugation Specifications Temperature range -86 C to 125 C Centrifugation, ambient 6,000* x g, 60 min Centrifugation, 4 C 6,000* x g, 20 min *Sterile plates have a maximum rate of 5,000 x g. See usascientific.com for additional information. Solvent-resistant PlateOne polypropylene plates are ideal for sample preparation, storage, screening, analysis, and bacteria or yeast cultures. The plates have excellent centrifugation strength and etched alphanumerics that won t rub off. Rounded conical well bottoms minimize dead sample volumes and are clear for easy viewing. No biocides or processing additives are used during production. Your results will not be compromised by potentially bioactive ingredients. Deep well plates meet standards ANSI/SLAS , , and Certified free of detectable RNase, DNase, and DNA. Sterile plates are also certified pyrogen free. 96-Well 2 ml Plates Square wells; rounded conical bottoms µl working volume, 44.1 mm H , bulk, 20/pack , 5/sleeve, 20/pack , 1/sleeve, 20/pack, sterile 96-Well 1 ml Plates 96-Well 0.5 ml Plates 384-Well 200 µl Plates 1 ml 0.5 ml 384-well Round wells; rounded conical bottoms µl working volume, 44.1 mm H , bulk, 20/pack , 5/sleeve, 20/pack , 1/sleeve, 20/pack, sterile Seal with film, foil, or: , EVA round well mat, , TPE Capcluster, 10 mats Round wells; rounded conical bottoms µl working volume, 27.1 mm H , bulk, 32/pack , 8/sleeve, 32/pack , 1/sleeve, 32/pack, sterile Seal with film, foil, or: , EVA round well mat, , TPE Capcluster, 10 mats Rounded square wells prevent capillary wicking µl working volume, 25.1 mm H , bulk, 40/pack , 10/sleeve, 40/pack , 1/sleeve, 40/pack, sterile Seal with film or foil: See page 8 for TempPlate RT Select film or TempPlate foil Multiple Well Plates PlateOne 96-well plates have chimney wells to prevent cross-contamination, easy to read alphanumerics, and a bottom shape indicator letter (F, U, or V). All plates have stacking skirts and meet standards ANSI/SLAS through /sleeve, 80/case. F-Bottom U-Bottom V-Bottom 96-well µl µl µl Non-sterile Sterile well µl µl Non-sterile Sterile USA SCIENTIFIC, INC.

17 Plate Sealing Film; Immunology Plates Microplate Film Minimize evaporation and prevent leakage or cross-contamination. Polyester film eliminates the edge effects that occur with lids. Ideal for ELISA/EIA applications, short term storage, or incubations. The two perforated end tabs can be removed or wrapped over the edge of the plate for additional sealing. Non-pierceable; 50 µm thick. Use from -40 C to +120 C , Non-sterile, 100/box , Sterile, 100/box ColorTab Film Differentiate experiments, solutions, time studies, etc. ColorTab film has the same properties as our popular Microplate film, with the addition of a large color dot and white writing label on both end tabs. Seal both tabs to the plate or remove one tab and insert it into a laboratory notebook. Non-pierceable polyester. Ideal for ELISA/EIA, short term storage, or incubations. For -40 C to 120 C , Five assorted colors, 10 each color, 50/box X*, Individual colors, 100/box *To specify a color replace X with, 1=blue, 2=green, 3=orange, 4=red, or 5=violet. Microplate film Each ColorTab sheet features 2 color-coded adhesive end labels. EasyApp Sealing Film Rolls Film rolls in pre-measured lengths replace individual sheets and eliminate liner paper. Starter kits include one reusable dispenser and two rolls of film. EasyApp films have color coded end tabs and feature the same materials as our Microplate sheet film. Get a grip on sealing film. EasyApp Microplate Film Non-pierceable polyester film for ELISA/EIA, storage, or incubations. Green end tabs; -40 C to +120 C. Each kit seals 200 plates , Starter kit; dispenser and two rolls , Starter kit; dispenser and two rolls, sterile , 100-sheet roll, 2/pack , 100-sheet roll, sterile, 2/pack Looking for PCR film? See page 14. Need a film with different properties? See our sealing film selection app at for assistance in choosing the right film. Immunology/ELISA Plates Crystal clear flat bottom polystyrene plates from Greiner Bio-One are free of endotoxins, DNases, RNases, and human DNA. 96 well plates have chimney wells and a working volume of µl. Half Area 96-well plates need just µl; 384-well plates have a working volume of µl per well , 96-well, high binding, 5/sleeve, 40/case , 96-well, medium binding, 5/sleeve, 40/case , Half Area 96, high binding, 10/sleeve, 40/case , Half Area 96, medium binding, 10/sleeve, 40/case , 384-well, high binding, 10/sleeve, 40/case , 384-well non-treated, 10/sleeve, 100/case USA SCIENTIFIC, INC. 17

18 Freezer Racks Stainless Steel Freezer Racks Individual compartments hold standard plastic or cardboard boxes measuring 5¼ L x 5¼ W x 2 H. All are 5½ deep unless otherwise indicated Upright Freezer Racks , 3 L x 3 H, 16 5 /16 x 6 5 /8 H , 3 L x 4 H, 16 5 /16 x 8 7 /8 H , 4 L x 3 H, 21 5 /8 x 6 5 /8 H , 4 L x 4 H, 21 5 /8 x 8 7 /8 H , 4 L x 5 H, 21 5 /8 x 11 H Upright Freezer Racks with Drawers Load by sliding boxes through the sides of the frame , 3 L x 3 H, 16½ x 7 1 /8 H , 3 L x 4 H, 16½ x 9 7 /16 H , 4 L x 4 H, 22 x 9 7 /16 H , 4 L x 5 H, 22 x /16 H Chest Freezer Racks with Locking Rods , 1 L x 11, 5 5 /8 x 24¼ H , 1 L x 12, 5 5 /8 x 26 3 /8 H Eco-Design Stainless Steel Racks Turned ridges support 5¼ L x 5¼ W x 2 H boxes, saving the weight and material of standard shelves. Frost buildup is also reduced , 3 L x 4 H, 16 5 /16 x 5½ x 8 7 /8 H , 4 L x 4 H, 21 5 /16 x 5½ x 8 7 /8 H Eco-design rack 3-place universal rack (no shelves) Universal rack holds 2, 3, and taller boxes Universal Rack for Multiple Height Boxes Versatile racks without shelves hold 2 H, 3 H, and other boxes with a 5¼ x 5¼ footprint. Ideal if your storage needs change over time. See our website for capacity information , 3-place, 16 5 /16 x 5½ x 8 1 /4 H , 4-place, 21 5 /8 x 5½ x 8 1 /4 H Racks for Multiple Well Plates Upright freezer racks hold plates with a 5 x 3 3 /8 footprint. See website for more information , 5 L x 2 H, 18 3 /8 x 5½ x 9 3 /16 H , 6 L x 2 H, 22 x 5½ x 9 3 /16 H , 6 L x 4 H, 21½ x 5 7 /16 x 9 11 /16 H USA SCIENTIFIC, INC. Multiple Well Plate Rack Capacity Cat. No. Style With Lids Without Lids Standard Standard Drawer 72 96

19 Labels, Racks, and Boxes Totally Tubular Rack A laboratory favorite! Modular system of 4 racks and one tray holds microcentrifuge, culture, 15 ml, 50 ml, and other tubes. Polypropylene , Mixed standard colors (not shown) , Mixed neon colors 96-Place Compact PCR Tube Rack Polypropylene racks hold individual or strip PCR tubes. Includes transparent lids with stacking rims. 5 L x 3½ D x 1 5 /16 H. 5/pack , Mixed neon colors Place Rack Polypropylene racks hold ml microcentrifuge or screw cap tubes. Autoclavable. 9 x 2 5 /8 x 1 1 /8 H. 7/pack , Mixed neon colors , Mixed standard colors Polypropylene Freezer Boxes 81-place boxes with clear lids hold 1.5/2.0 ml tubes and most cryo vials. Bases have numbered cells and permanent, low dividers for easy tube removal. 5 1 /8 L x 5 1 /8 W x 1 7 /8 H. 5/pack , Mixed neon colors , Natural Premium Cardboard Freezer Boxes Sturdy cardboard boxes have a coating on both the inside and outside for increased moisture resistance and durability. Deep, high profile lids (1 3 /8 overlap) accommodate tubes up to 70 mm tall. Measures 5.25 x 5.25 x 2 H , 81-place box, one each , 49-place box, one each (not shown) BestBox 49-Place Boxes 49-place boxes with clear lids hold tubes with a maximum size of 16.5 x 60 mm. Permanent dividers won t lift out. 5.1 L x 5.1 W x 1.8 H. 5/pack , Natural Centrifuge Tube Boxes Safe storage for 15 or 50 ml conical tubes W x 5.67 D x 5 H. Autoclavable polypropylene. 2/pack , 15 ml tube boxes, green , 50 ml tube boxes, blue Polycarbonate Cryo Storage Boxes Easy to open, even when frozen Boxes feature high contrast alphanumerics, clear lids, and vents. Choose 2.1 high for most vials up to 2.0 ml or 3.7 high for 4.5 ml vials. Store from -196 to +120 C. Mixed colors, 5/pack , 100-place, 5.2 x 5.2 x 2.1 H , 81-place, 5.2 x 5.2 x 2.1 H (not shown) , 81-place, 5.2 x 5.2 x 3.7 H Holds most 4.5 ml cryogenic vials USA SCIENTIFIC, INC. 19

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