{"product_id":"mtc-bio-inoculating-loops-needles","title":"MTC Bio Sterile Inoculating Loops \u0026 Needles – 1, 5 \u0026 10 µL, Flexible \u0026 Rigid","description":"\u003cdiv style=\"max-width: 1400px; margin: 0 auto; font-family: 'Open Sans', sans-serif; font-weight: 300; color: #333; background: #fff;\"\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: center; gap: 40px; border-bottom: 1px solid #e0e0e0; padding-bottom: 40px; margin-bottom: 40px;\"\u003e\n\u003cdiv style=\"flex: 1 1 500px; min-width: min(300px, 100%); text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/BTS-Inoculating-loops-needles-group.jpg\" alt=\"MTC Bio sterile disposable inoculating loops and needles\" style=\"width: 100%; max-width: 440px; height: auto; object-fit: contain; border-radius: 8px;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 500px; min-width: min(300px, 100%);\"\u003e\n\u003ch3 style=\"font-size: 1.15rem; font-weight: 400; margin: 0 0 20px 0;\"\u003e\u003cstrong\u003eClean Streaks and Accurate Counts, No Bunsen Burner Needed\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp style=\"font-size: 1rem; line-height: 1.6; margin: 0 0 14px 0;\"\u003e\u003cstrong\u003eA wire loop means flaming, cooling, waiting, and hoping you did not spatter aerosol across the bench.\u003c\/strong\u003e MTC Bio sterile disposable loops and needles skip all of that. Open the pack, streak or inoculate, and drop the used tool in the biohazard bin.\u003c\/p\u003e\n\u003cp style=\"font-size: 1rem; line-height: 1.6; margin: 0 0 14px 0;\"\u003e\u003cstrong\u003eEvery loop head is molded smooth, with no flashing or burrs\u003c\/strong\u003e, so it glides across agar without cutting or gouging. The hexagonal shaft gives you a firm grip and lets you feel exactly how the loop is oriented. Choose 1, 5, or 10 µL loops in flexible polypropylene, rigid polystyrene loops, or rigid needles for stab and subsurface inoculation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 16px; border-bottom: 1px solid #e0e0e0; padding-bottom: 40px; margin-bottom: 40px;\"\u003e\n\u003cdiv style=\"flex: 1 1 180px; min-width: min(160px, 100%); text-align: center; border: 1px solid #e0e0e0; border-radius: 8px; padding: 20px 12px; background: #f9f9f9;\"\u003e\n\u003cp style=\"font-size: 1.6rem; font-weight: 600; color: #1f6fb2; margin: 0 0 6px 0;\"\u003eSterile\u003c\/p\u003e\n\u003cp style=\"font-size: 0.9rem; line-height: 1.4; margin: 0;\"\u003ePre-sterilized, single use\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 180px; min-width: min(160px, 100%); text-align: center; border: 1px solid #e0e0e0; border-radius: 8px; padding: 20px 12px; background: #f9f9f9;\"\u003e\n\u003cp style=\"font-size: 1.6rem; font-weight: 600; color: #1f6fb2; margin: 0 0 6px 0;\"\u003eNo Flame\u003c\/p\u003e\n\u003cp style=\"font-size: 0.9rem; line-height: 1.4; margin: 0;\"\u003eNo heating or cool-down wait\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 180px; min-width: min(160px, 100%); text-align: center; border: 1px solid #e0e0e0; border-radius: 8px; padding: 20px 12px; background: #f9f9f9;\"\u003e\n\u003cp style=\"font-size: 1.6rem; font-weight: 600; color: #1f6fb2; margin: 0 0 6px 0;\"\u003eHex Grip\u003c\/p\u003e\n\u003cp style=\"font-size: 0.9rem; line-height: 1.4; margin: 0;\"\u003eEasy to hold and orient\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 180px; min-width: min(160px, 100%); text-align: center; border: 1px solid #e0e0e0; border-radius: 8px; padding: 20px 12px; background: #f9f9f9;\"\u003e\n\u003cp style=\"font-size: 1.6rem; font-weight: 600; color: #1f6fb2; margin: 0 0 6px 0;\"\u003e1 · 5 · 10 µL\u003c\/p\u003e\n\u003cp style=\"font-size: 0.9rem; line-height: 1.4; margin: 0;\"\u003eLoops, plus rigid needles\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-bottom: 1px solid #e0e0e0; padding-bottom: 40px; margin-bottom: 40px;\"\u003e\n\u003ch4 style=\"font-size: 1.05rem; font-weight: 400; margin: 0 0 16px 0;\"\u003e\u003cstrong\u003eWhy Labs Choose MTC Bio Inoculating Loops\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 28px 40px;\"\u003e\n\u003cdiv style=\"flex: 1 1 300px; min-width: min(260px, 100%); border-left: 3px solid #1f6fb2; padding: 4px 0 4px 16px;\"\u003e\u003cp style=\"font-size: 1rem; line-height: 1.6; margin: 0;\"\u003e\u003cstrong\u003eNo Cross-Contamination\u003c\/strong\u003e\u003cbr\u003eEach loop is used once and thrown away, so nothing carries over between samples.\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; min-width: min(260px, 100%); border-left: 3px solid #1f6fb2; padding: 4px 0 4px 16px;\"\u003e\u003cp style=\"font-size: 1rem; line-height: 1.6; margin: 0;\"\u003e\u003cstrong\u003eSmooth, Burr-Free Heads\u003c\/strong\u003e\u003cbr\u003eClean molding means no cutting or gouging of the agar surface.\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; min-width: min(260px, 100%); border-left: 3px solid #1f6fb2; padding: 4px 0 4px 16px;\"\u003e\u003cp style=\"font-size: 1rem; line-height: 1.6; margin: 0;\"\u003e\u003cstrong\u003eHexagonal Shaft\u003c\/strong\u003e\u003cbr\u003eA grip that will not roll in your fingers or off the bench.\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; min-width: min(260px, 100%); border-left: 3px solid #1f6fb2; padding: 4px 0 4px 16px;\"\u003e\u003cp style=\"font-size: 1rem; line-height: 1.6; margin: 0;\"\u003e\u003cstrong\u003eFlexible or Rigid\u003c\/strong\u003e\u003cbr\u003eFlexible PP for gentle streaking, rigid PS for precise patterns and dense samples.\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; min-width: min(260px, 100%); border-left: 3px solid #1f6fb2; padding: 4px 0 4px 16px;\"\u003e\u003cp style=\"font-size: 1rem; line-height: 1.6; margin: 0;\"\u003e\u003cstrong\u003eThree Loop Sizes\u003c\/strong\u003e\u003cbr\u003e1 µL, 5 µL, and 10 µL for streaking, counts, and serial dilutions.\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; min-width: min(260px, 100%); border-left: 3px solid #1f6fb2; padding: 4px 0 4px 16px;\"\u003e\u003cp style=\"font-size: 1rem; line-height: 1.6; margin: 0;\"\u003e\u003cstrong\u003eThree Pack Styles\u003c\/strong\u003e\u003cbr\u003ePeel bags of 20, resealable easy-access bags, or individually wrapped.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: center; gap: 40px; border-bottom: 1px solid #e0e0e0; padding-bottom: 40px; margin-bottom: 40px;\"\u003e\n\u003cdiv style=\"flex: 1 1 400px; min-width: min(280px, 100%); text-align: center; order: 1;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/BTS-Inoculating-M4017.jpg\" alt=\"MTC Bio M4017 sterile 1 µl loop, Rigid PS\" style=\"width: 100%; max-width: 420px; height: auto; object-fit: contain; border-radius: 8px;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 500px; min-width: min(300px, 100%); order: 2;\"\u003e\n\u003ch4 style=\"font-size: 1.05rem; font-weight: 400; margin: 0 0 16px 0;\"\u003e\u003cstrong\u003eFlexible or Rigid: Which Loop Should You Choose?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp style=\"font-size: 1rem; line-height: 1.6; margin: 0 0 14px 0;\"\u003e\u003cstrong\u003eFlexible polypropylene loops\u003c\/strong\u003e (M4015, M4035, M4025) bend slightly as you work. That makes them easier to maneuver inside Petri dishes and tubes, and gentler on small or delicate colonies. Most labs use them for everyday streaking.\u003c\/p\u003e\n\u003cp style=\"font-size: 1rem; line-height: 1.6; margin: 0 0 14px 0;\"\u003e\u003cstrong\u003eRigid polystyrene loops and needles\u003c\/strong\u003e (M4017, M4027, M4030) hold their shape, which gives you tighter control over streak patterns when isolating single colonies. They also handle viscous or dense samples better, and the rigid needle is the tool for stab cultures and subsurface inoculation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-bottom: 1px solid #e0e0e0; padding-bottom: 40px; margin-bottom: 40px;\"\u003e\n\u003ch4 style=\"font-size: 1.05rem; font-weight: 400; margin: 0 0 16px 0;\"\u003e\u003cstrong\u003eChoose Your Packaging\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px;\"\u003e\n\u003cdiv style=\"flex: 1 1 240px; min-width: min(240px, 100%); border: 1px solid #e0e0e0; border-radius: 8px; padding: 20px; background: #f9f9f9;\"\u003e\n\u003cp style=\"font-size: 1rem; margin: 0 0 12px 0;\"\u003e\u003cstrong\u003eSterile Peel Bags\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 0.95rem; line-height: 1.6; margin: 0 0 6px 0;\"\u003e\u003cstrong\u003eCatalog No.:\u003c\/strong\u003e Base number, e.g. M4015\u003c\/p\u003e\n\u003cp style=\"font-size: 0.95rem; line-height: 1.6; margin: 0 0 6px 0;\"\u003e\u003cstrong\u003ePack:\u003c\/strong\u003e 50 peel bags of 20 (1,000 total)\u003c\/p\u003e\n\u003cp style=\"font-size: 0.95rem; line-height: 1.6; margin: 0 0 6px 0;\"\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e High-volume benches that use a bag per session\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 240px; min-width: min(240px, 100%); border: 1px solid #e0e0e0; border-radius: 8px; padding: 20px; background: #f9f9f9;\"\u003e\n\u003cp style=\"font-size: 1rem; margin: 0 0 12px 0;\"\u003e\u003cstrong\u003eEasy-Access Bags (-TB)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 0.95rem; line-height: 1.6; margin: 0 0 6px 0;\"\u003e\u003cstrong\u003eCatalog No.:\u003c\/strong\u003e Add -TB, e.g. M4015-TB\u003c\/p\u003e\n\u003cp style=\"font-size: 0.95rem; line-height: 1.6; margin: 0 0 6px 0;\"\u003e\u003cstrong\u003ePack:\u003c\/strong\u003e 50 bags of 20 (1,000 total)\u003c\/p\u003e\n\u003cp style=\"font-size: 0.95rem; line-height: 1.6; margin: 0 0 6px 0;\"\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e Zip closure or tear-seam, so you can take a few and reseal the rest\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 240px; min-width: min(240px, 100%); border: 1px solid #e0e0e0; border-radius: 8px; padding: 20px; background: #f9f9f9;\"\u003e\n\u003cp style=\"font-size: 1rem; margin: 0 0 12px 0;\"\u003e\u003cstrong\u003eIndividually Wrapped (-W)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 0.95rem; line-height: 1.6; margin: 0 0 6px 0;\"\u003e\u003cstrong\u003eCatalog No.:\u003c\/strong\u003e Add -W, e.g. M4015-W\u003c\/p\u003e\n\u003cp style=\"font-size: 0.95rem; line-height: 1.6; margin: 0 0 6px 0;\"\u003e\u003cstrong\u003ePack:\u003c\/strong\u003e 1,000 single sterile wraps\u003c\/p\u003e\n\u003cp style=\"font-size: 0.95rem; line-height: 1.6; margin: 0 0 6px 0;\"\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e Clinical, QC, and field work where every loop must stay sterile until use\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: center; gap: 40px; border-bottom: 1px solid #e0e0e0; padding-bottom: 40px; margin-bottom: 40px;\"\u003e\n\u003cdiv style=\"flex: 1 1 400px; min-width: min(280px, 100%); text-align: center; order: 2;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/BTS-Inoculating-M4015-TB.jpg\" alt=\"MTC Bio M4015-TB 1 µl loops in easy-access resealable bags\" style=\"width: 100%; max-width: 420px; height: auto; object-fit: contain; border-radius: 8px;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 500px; min-width: min(300px, 100%); order: 1;\"\u003e\n\u003ch4 style=\"font-size: 1.05rem; font-weight: 400; margin: 0 0 16px 0;\"\u003e\u003cstrong\u003eResealable Bags Keep the Rest Sterile\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp style=\"font-size: 1rem; line-height: 1.6; margin: 0 0 14px 0;\"\u003e\u003cstrong\u003eThe -TB easy-access bags\u003c\/strong\u003e open with a tear-seam or zip closure, so you can pull out a few loops and close the bag again. It cuts waste compared with opening a full peel bag for one or two plates.\u003c\/p\u003e\n\u003cp style=\"font-size: 1rem; line-height: 1.6; margin: 0 0 14px 0;\"\u003eKeep your bench organized with a \u003ca href=\"\/products\/mtc-bio-benchbin%E2%84%A2-benchtop-biohazard-bin-1-5l\" style=\"color: #1f6fb2; font-weight: 600;\"\u003eBenchBin™ benchtop biohazard bin\u003c\/a\u003e for used loops, and collect larger waste in our \u003ca href=\"\/products\/mtc-bio-autoclave-biohazard-bags\" style=\"color: #1f6fb2; font-weight: 600;\"\u003eautoclave and biohazard bags\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-bottom: 1px solid #e0e0e0; padding-bottom: 40px; margin-bottom: 40px;\"\u003e\n\u003ch4 style=\"font-size: 1.05rem; font-weight: 400; margin: 0 0 16px 0;\"\u003e\u003cstrong\u003eTypical Applications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul style=\"margin: 0; padding-left: 20px; columns: 2 260px;\"\u003e\n\u003cli style=\"font-size: 1rem; line-height: 1.6; margin-bottom: 6px;\"\u003eStreak plates for colony isolation\u003c\/li\u003e\n\u003cli style=\"font-size: 1rem; line-height: 1.6; margin-bottom: 6px;\"\u003eUrine colony counts\u003c\/li\u003e\n\u003cli style=\"font-size: 1rem; line-height: 1.6; margin-bottom: 6px;\"\u003eSerial dilutions and quantitative sampling\u003c\/li\u003e\n\u003cli style=\"font-size: 1rem; line-height: 1.6; margin-bottom: 6px;\"\u003eBroth-to-plate and plate-to-broth transfers\u003c\/li\u003e\n\u003cli style=\"font-size: 1rem; line-height: 1.6; margin-bottom: 6px;\"\u003eStab and subsurface inoculation (needles)\u003c\/li\u003e\n\u003cli style=\"font-size: 1rem; line-height: 1.6; margin-bottom: 6px;\"\u003eFood, water, and environmental microbiology\u003c\/li\u003e\n\u003cli style=\"font-size: 1rem; line-height: 1.6; margin-bottom: 6px;\"\u003eTeaching labs without open flames\u003c\/li\u003e\n\u003cli style=\"font-size: 1rem; line-height: 1.6; margin-bottom: 6px;\"\u003eQC and clinical microbiology\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #f9f9f9; border: 1px solid #e0e0e0; border-radius: 8px; padding: 24px;\"\u003e\n\u003ch4 style=\"font-size: 1.05rem; font-weight: 400; margin: 0 0 16px 0;\"\u003e\u003cstrong\u003eTip for Better Colony Isolation\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp style=\"font-size: 1rem; line-height: 1.6; margin: 0;\"\u003eUse a fresh loop for each quadrant of a four-quadrant streak. Dragging a used loop back into the first quadrant is the most common reason plates grow a lawn instead of single colonies. For spread plates, pair these with our \u003ca href=\"\/products\/mtc-bio-sterile-spreaders\" style=\"color: #1f6fb2; font-weight: 600;\"\u003esterile L-, T-, and triangle spreaders\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp style=\"margin: 18px 0 0 0;\"\u003e\u003ca href=\"https:\/\/mtcbiotech.com\/wp-content\/uploads\/2024\/06\/No-Price-Inoculating-Loops-and-Needles.pdf\" target=\"_blank\" rel=\"noopener\" style=\"display: inline-block; background: #1f6fb2; color: #fff; text-decoration: none; padding: 10px 20px; border-radius: 6px; font-size: 0.95rem; font-weight: 600;\"\u003e📄 Download the MTC Bio Brochure (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-top: 1px solid #e0e0e0; margin-top: 40px; padding-top: 20px;\"\u003e\u003cdiv itemscope itemtype=\"https:\/\/schema.org\/FAQPage\" style=\"width: 100%; padding: 20px 0; font-family: 'Open Sans', sans-serif; font-weight: 300; color: #333;\"\u003e\n\u003ch3 style=\"font-size: 1.1rem; font-weight: 600; margin: 0 0 16px 0;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border: 1px solid #e0e0e0; border-radius: 8px; margin: 0 0 10px 0; background: #fff;\"\u003e\u003csummary itemprop=\"name\" style=\"cursor: pointer; padding: 14px 16px; font-size: 1rem; font-weight: 600; list-style-position: inside;\"\u003eAre MTC Bio loops a good alternative to Fisherbrand™ or Copan disposable inoculating loops?\u003c\/summary\u003e\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"padding: 0 16px 14px 16px;\"\u003e\u003cp itemprop=\"text\" style=\"font-size: 0.97rem; line-height: 1.6; margin: 0;\"\u003eYes, for most applications. They are sterile, single-use loops and needles in 1, 5, and 10 µL sizes, with smooth burr-free heads and a hexagonal grip, in flexible or rigid plastic. Fisherbrand™ and Copan are trademarks of their respective owners; Blue Tiger Scientific is not affiliated.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border: 1px solid #e0e0e0; border-radius: 8px; margin: 0 0 10px 0; background: #fff;\"\u003e\u003csummary itemprop=\"name\" style=\"cursor: pointer; padding: 14px 16px; font-size: 1rem; font-weight: 600; list-style-position: inside;\"\u003eWhat is the difference between flexible PP and rigid PS loops?\u003c\/summary\u003e\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"padding: 0 16px 14px 16px;\"\u003e\u003cp itemprop=\"text\" style=\"font-size: 0.97rem; line-height: 1.6; margin: 0;\"\u003eFlexible polypropylene loops bend slightly, which makes them easier to use in tight spaces and gentler on delicate colonies. Rigid polystyrene loops hold their shape for precise streak patterns and handle viscous samples better.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border: 1px solid #e0e0e0; border-radius: 8px; margin: 0 0 10px 0; background: #fff;\"\u003e\u003csummary itemprop=\"name\" style=\"cursor: pointer; padding: 14px 16px; font-size: 1rem; font-weight: 600; list-style-position: inside;\"\u003eWhich loop size should I use?\u003c\/summary\u003e\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"padding: 0 16px 14px 16px;\"\u003e\u003cp itemprop=\"text\" style=\"font-size: 0.97rem; line-height: 1.6; margin: 0;\"\u003e1 µL loops are standard for urine colony counts and fine streaking. 10 µL loops pick up more material for inoculating broths and heavier transfers. 5 µL sits in between.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border: 1px solid #e0e0e0; border-radius: 8px; margin: 0 0 10px 0; background: #fff;\"\u003e\u003csummary itemprop=\"name\" style=\"cursor: pointer; padding: 14px 16px; font-size: 1rem; font-weight: 600; list-style-position: inside;\"\u003eWhat is the needle used for?\u003c\/summary\u003e\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"padding: 0 16px 14px 16px;\"\u003e\u003cp itemprop=\"text\" style=\"font-size: 0.97rem; line-height: 1.6; margin: 0;\"\u003eThe rigid needle is used for stab cultures, subsurface inoculation of agar deeps, and picking single colonies.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border: 1px solid #e0e0e0; border-radius: 8px; margin: 0 0 10px 0; background: #fff;\"\u003e\u003csummary itemprop=\"name\" style=\"cursor: pointer; padding: 14px 16px; font-size: 1rem; font-weight: 600; list-style-position: inside;\"\u003eDo I need to flame these loops?\u003c\/summary\u003e\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"padding: 0 16px 14px 16px;\"\u003e\u003cp itemprop=\"text\" style=\"font-size: 0.97rem; line-height: 1.6; margin: 0;\"\u003eNo. They come pre-sterilized for single use. Use each loop once and discard it as biohazard waste.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cdetails itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\" style=\"border: 1px solid #e0e0e0; border-radius: 8px; margin: 0 0 10px 0; background: #fff;\"\u003e\u003csummary itemprop=\"name\" style=\"cursor: pointer; padding: 14px 16px; font-size: 1rem; font-weight: 600; list-style-position: inside;\"\u003eWhat do -TB and -W mean in the catalog number?\u003c\/summary\u003e\u003cdiv itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" style=\"padding: 0 16px 14px 16px;\"\u003e\u003cp itemprop=\"text\" style=\"font-size: 0.97rem; line-height: 1.6; margin: 0;\"\u003e-TB means easy-access resealable bags of 20 with a zip closure or tear-seam. -W means each loop is individually wrapped. The base number is 50 sterile peel bags of 20. Every option is 1,000 loops.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"MTC Bio","offers":[{"title":"M4015 | 1 µL Loop | Flexible PP | 20\/Sterile Peel Bag | 1000\/pk","offer_id":52788013400362,"sku":"BTS-M4015","price":88.9,"currency_code":"USD","in_stock":true},{"title":"M4015-TB | 1 µL Loop | Flexible PP | 20\/Easy-Access Zip Bag | 1000\/cs","offer_id":52788013433130,"sku":"BTS-M4015-TB","price":88.9,"currency_code":"USD","in_stock":true},{"title":"M4015-W | 1 µL Loop | Flexible PP | Individually Wrapped | 1000\/cs","offer_id":52788013465898,"sku":"BTS-M4015-W","price":222.54,"currency_code":"USD","in_stock":true},{"title":"M4035 | 5 µL Loop | Flexible PP | 20\/Sterile Peel Bag | 1000\/pk","offer_id":52788013498666,"sku":"BTS-M4035","price":88.9,"currency_code":"USD","in_stock":true},{"title":"M4035-W | 5 µL Loop | Flexible PP | Individually Wrapped | 1000\/cs","offer_id":52788013531434,"sku":"BTS-M4035-W","price":222.54,"currency_code":"USD","in_stock":true},{"title":"M4025 | 10 µL Loop | Flexible PP | 20\/Sterile Peel Bag | 1000\/pk","offer_id":52788013564202,"sku":"BTS-M4025","price":88.9,"currency_code":"USD","in_stock":true},{"title":"M4025-TB | 10 µL Loop | Flexible PP | 20\/Easy-Access Zip Bag | 1000\/cs","offer_id":52788013596970,"sku":"BTS-M4025-TB","price":88.9,"currency_code":"USD","in_stock":true},{"title":"M4025-W | 10 µL Loop | Flexible PP | Individually Wrapped | 1000\/cs","offer_id":52788013629738,"sku":"BTS-M4025-W","price":222.54,"currency_code":"USD","in_stock":true},{"title":"M4017 | 1 µL Loop | Rigid PS | 20\/Sterile Peel Bag | 1000\/pk","offer_id":52788013662506,"sku":"BTS-M4017","price":98.97,"currency_code":"USD","in_stock":true},{"title":"M4017-TB | 1 µL Loop | Rigid PS | 20\/Easy-Access Zip Bag | 1000\/cs","offer_id":52788013695274,"sku":"BTS-M4017-TB","price":98.97,"currency_code":"USD","in_stock":true},{"title":"M4017-W | 1 µL Loop | Rigid PS | Individually Wrapped | 1000\/cs","offer_id":52788013728042,"sku":"BTS-M4017-W","price":222.54,"currency_code":"USD","in_stock":true},{"title":"M4027 | 10 µL Loop | Rigid PS | 20\/Sterile Peel Bag | 1000\/pk","offer_id":52788013760810,"sku":"BTS-M4027","price":98.97,"currency_code":"USD","in_stock":true},{"title":"M4027-TB | 10 µL Loop | Rigid PS | 20\/Easy-Access Zip Bag | 1000\/cs","offer_id":52788013793578,"sku":"BTS-M4027-TB","price":98.97,"currency_code":"USD","in_stock":true},{"title":"M4027-W | 10 µL Loop | Rigid PS | Individually Wrapped | 1000\/cs","offer_id":52788013826346,"sku":"BTS-M4027-W","price":222.54,"currency_code":"USD","in_stock":true},{"title":"M4030 | Needle | Rigid PS | 20\/Sterile Peel Bag | 1000\/pk","offer_id":52788013859114,"sku":"BTS-M4030","price":88.9,"currency_code":"USD","in_stock":true},{"title":"M4030-TB | Needle | Rigid PS | 20\/Easy-Access Zip Bag | 1000\/cs","offer_id":52788013891882,"sku":"BTS-M4030-TB","price":88.9,"currency_code":"USD","in_stock":true},{"title":"M4030-W | Needle | Rigid PS | Individually Wrapped | 1000\/cs","offer_id":52788013924650,"sku":"BTS-M4030-W","price":222.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0896\/1579\/4474\/files\/BTS-Inoculating-loops-needles-group.jpg?v=1790622868","url":"https:\/\/bluetigerscientific.com\/products\/mtc-bio-inoculating-loops-needles","provider":"Blue Tiger Scientific","version":"1.0","type":"link"}