{"product_id":"streptavidin-beads-1000-nm","title":"Streptavidin Beads (1000 nm) Leadonano™","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003e\u003cb\u003eSA1000 Streptavidin Magnetic Beads\u003c\/b\u003e are 1000 nm streptavidin-conjugated magnetic particles designed for efficient capture and separation of biotinylated molecules. A powerful coupling technology is adopted to utilize the entire surface of magnetic bead particles for conjugating natural streptavidin, enhancing the capture capacity of biotin-labeled molecules while reducing background signals.\u003c\/p\u003e\n\u003cp\u003eThe conjugated streptavidin magnetic beads feature high functional stability, excellent surface uniformity, strong biotin-binding capacity, and outstanding repeatability. The magnetic beads exhibit efficient liquid-phase reaction kinetics and are suitable for binding peptides, proteins, antibodies, carbohydrates, lectins, and oligonucleotide DNA\/RNA.\u003c\/p\u003e\n\u003cp\u003eWith \u003cb\u003e1000 pmoles of free biotin binding capacity per mg\u003c\/b\u003e, 400 pmoles of biotinylated oligonucleotide capacity, and 15 μg of biotinylated antibody capacity, SA1000 magnetic beads are suitable for molecular and immuno-diagnostics, nucleic acid purification, cell sorting, cDNA expression library construction, and drug screening applications.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable border=\"1\" style=\"border-collapse: collapse; width: 90%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.8427%; text-align: center;\"\u003e\u003cb\u003eParameter\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 48.8427%; text-align: center;\"\u003e\u003cb\u003eSpecification\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eBead Size\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e1000 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eBead Type\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eStreptavidin magnetic beads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eCoating Material\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003ePolystyrene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eSurface Functionalization\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003eNatural streptavidin coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eSolid Content\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e10 mg\/mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eBiotin Binding Capacity\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e1000 pmoles free biotin \/ mg beads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eOligonucleotide Binding Capacity\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e400 pmoles biotinylated oligonucleotides \/ mg beads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eAntibody Binding Capacity\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e15 μg biotinylated antibodies \/ mg beads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eStorage Buffer\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e10 mM PBS (pH 7.4) containing 0.02% Proclin300 and 0.02% Tween 20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eStorage Condition\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e2–10°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eShelf Life\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e24 months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003eProduct Packaging\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e1 mL, 10 mL, 100 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eNucleic acid purification\u003c\/b\u003e — capture and separation of biotinylated DNA\/RNA molecules\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cb\u003emolecular and immuno-diagnostics\u003c\/b\u003e — magnetic solid phase for antibody and antigen detection workflows\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cb\u003eCell sorting\u003c\/b\u003e — affinity isolation of labeled cell populations\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cb\u003eProtein and peptide capture\u003c\/b\u003e — purification of biotinylated proteins and peptides\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cb\u003ecDNA expression library construction\u003c\/b\u003e — capture of biotinylated oligonucleotide complexes\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cb\u003eDrug screening\u003c\/b\u003e — biotin-based molecular interaction studies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eBinding Capacity\u003c\/h2\u003e\n\u003cp\u003e1 mg of streptavidin magnetic beads can bind to:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e1000 pmoles of free biotin\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e400 pmoles of biotinylated oligonucleotides\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e15 μg of biotinylated antibodies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe binding capacity for double-stranded DNA depends on the length of the DNA fragments.\u003c\/p\u003e\n\u003ch2\u003ePrinciple\u003c\/h2\u003e\n\u003cp\u003eAs a solid-phase matrix, streptavidin-conjugated magnetic beads can bind to various biotinylated complexes (such as small-molecule peptides, proteins, antibodies, carbohydrates, lectins, and oligonucleotide DNA\/RNA) in a simple, rapid, and efficient manner. Therefore, they are applicable in fields including molecular and immuno-diagnostics, cell sorting, construction of cDNA expression libraries, and drug screening.\u003c\/p\u003e\n\u003ch2\u003ePrecautions\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eThe binding capacity of streptavidin magnetic beads is related to the size of the specific target molecule.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnsure there is no excessive free biotin in the sample, as free biotin binds to streptavidin more easily than large-molecular-weight target molecules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFor PCR product solutions amplified with biotinylated primers, try to remove free biotinylated primers before binding to the magnetic beads — this is because biotin-labeled primers have higher binding affinity to magnetic beads than biotinylated DNA fragments. Free biotinylated primers can be removed via ultrafiltration, microdialysis, or general DNA purification and recovery methods.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIt is recommended to optimize the dosage of magnetic beads through titration in each application. Both the size of the ligand molecule and the degree of biotinylation may affect their binding capacity. The ratio of magnetic beads to biotinylated ligands directly impacts the overall experimental results: with a constant amount of magnetic beads, when the concentration of biotinylated ligands is low, the target-binding capacity of the bead-ligand complex increases as the concentration of biotinylated ligands rises; however, once saturation adsorption is reached, further increasing the concentration of biotinylated ligands will not improve the target-binding capacity of the bead-ligand complex.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFor the preparation of biotinylated ligands, biotinylation reagents produced by manufacturers such as Pierce or Sigma are recommended. Biotin labeling can be applied to various functional groups, including amines, thiols, carboxyl carbohydrates, tyrosine\/histidine side chains, guanidines, and cytosine bases. Note that biotinylation may lead to the loss of target molecule activity, so precautions should be taken based on specific applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIn DNA synthesis, biotin is generally labeled at the 5’-end of oligonucleotide primers. For protein biotinylation, reagents such as biotin-X-NHS Ester (from Pierce or Sigma) can be used.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAfter the magnetic beads bind to the ligand, when using the ligand to capture the target substance, ensure that the target substance is free in the solution and that its binding sites to the ligand are exposed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eOperational Procedures (For Reference)\u003c\/h2\u003e\n\u003ch3\u003eA. Magnetic Bead Preparation\u003c\/h3\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e1. Before use, vortex the magnetic bead suspension thoroughly (ultrasonic dispersion can also be used: carefully place the test tube in a standard ultrasonic cleaner and sonicate for approximately 3 minutes). Use a pipette to transfer the required volume of magnetic beads into a centrifuge tube.\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e2. Place the centrifuge tube on a magnetic rack; separation is typically complete within approximately 1 minute. Use a pipette to remove the liquid.\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e3. Add the washing solution specified for the experiment, cap the test tube, and mix well by vortexing. Then, perform magnetic separation and remove the liquid.\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e4. Repeat the washing step 1–2 times, and resuspend the magnetic beads in an appropriate volume of solution.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"list-style-type: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eFor antibody- or protein-related experiments: Wash the streptavidin (SA) magnetic beads 2–3 times with PBS or physiological saline buffer before use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFor nucleic acid-related experiments: Wash the SA magnetic beads with 1× B\u0026amp;W Buffer at least 3 times before use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFormulation of 2× B\u0026amp;W Buffer: 10 mM Tris-HCl (pH 7.5), 1 mM EDTA, 2 M NaCl.\u003c\/p\u003e\n\u003cp\u003eThis product does not contain ribonuclease (RNase). For RNA-related experiments, pre-treat the SA magnetic beads to remove RNase:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWash the SA magnetic beads twice with Wash Buffer I (Wash Buffer I: DEPC-treated 0.1 M NaOH, DEPC-treated 0.05 M NaCl), 2 minutes per wash.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThen wash once with Wash Buffer II (DEPC-treated 0.1 M NaCl), and finally resuspend the SA magnetic beads in Wash Buffer II.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eB. Binding to Biotinylated Ligands\u003c\/h3\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e\u003cstrong\u003e1. Binding of Streptavidin Magnetic Beads to Biotin-Antibody or Biotin-Peptides\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"list-style-type: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eCalculate the required amounts of magnetic beads and biotinylated antibody. Each mg of streptavidin magnetic beads can bind a maximum of 15 μg of antibody or 300 pmol of biotinylated peptide; saturation levels of antibody\/peptide are generally not required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAfter resuspending the magnetic beads, incubate them with the biotinylated antibody at room temperature for 30 minutes, mixing by rotation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAfter incubation, place the centrifuge tube on a magnetic rack for 2 minutes and remove the supernatant.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWash the magnetic beads 4–5 times with PBS\/BSA.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResuspend and dilute the magnetic beads to the desired concentration for downstream experiments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e\u003cstrong\u003e2. Binding of Streptavidin Magnetic Beads to Nucleic Acids\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"list-style-type: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eTake an appropriate amount of pre-washed magnetic beads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResuspend the magnetic beads in 2× B\u0026amp;W Buffer to a final concentration of 1 μg\/μL or a concentration suitable for the experiment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdd an equal volume of biotinylated DNA\/RNA solution.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAt room temperature, mix by rotating or gently tapping the centrifuge tube. Incubate for approximately 10 minutes for ~30 bp fragments, and 15 minutes for ~1 kb fragments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAfter incubation, place the centrifuge tube on a magnetic rack for 1–2 minutes and remove the liquid.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWash the magnetic beads 2–3 times with 1× B\u0026amp;W Buffer.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFinally, resuspend the magnetic beads in a solution suitable for downstream experiments and dilute to the desired concentration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eC. Dissociation of Streptavidin Magnetic Beads from Antibodies\/Proteins and Nucleic Acids\u003c\/h3\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e\u003cstrong\u003e1. Elution of Biotin-Labeled Antibodies\/Proteins\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003eTwo elution protocols are provided below; select the appropriate method based on the requirements of subsequent detection.\u003c\/p\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e\u003cstrong\u003ea. Denaturing Elution (for SDS–PAGE Detection)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"list-style-type: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eProcedure: Add 50–100 μL of 1× SDS-PAGE Loading Buffer to the magnetic beads, mix well, and heat at 95°C for 5 minutes. Place on a magnetic rack to separate the magnetic beads, collect the supernatant, and perform SDS-PAGE detection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNote: If denaturing elution is selected, the eluate will contain streptavidin monomers, streptavidin multimers, and biotin-labeled antibodies\/proteins.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e\u003cstrong\u003eb. Non-Denaturing Elution (for Preserving Biological Activity)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"list-style-type: none;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eThis method maintains the native biological activity of the eluted sample, enabling subsequent functional analysis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProcedure: Add 50–100 μL of Elution Buffer II to the magnetic beads, and incubate at room temperature for 5–10 minutes. Place on a magnetic rack to separate the magnetic beads, collect the supernatant into a new EP tube, and immediately add neutralization buffer (0.1 M NaOH) at 1\/10 of the total volume to adjust the pH of the eluate to neutral. The sample is then ready for subsequent functional analysis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNote: For non-denaturing elution, streptavidin may dissociate under acidic conditions—do not exceed 10 minutes of incubation. Acidic elution buffer disrupts most antibody-antigen interactions; for better elution efficiency, pre-wash the magnetic beads once with 1 mL of 0.1% Tween-20 aqueous solution.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eElution of Biotin-Labeled Nucleic Acids\u003c\/h2\u003e\n\u003cp\u003eProcedure: Add 50–100 μL of Elution Buffer (95% Formamide, 10 mM EDTA, pH 8.2) to the magnetic beads. Incubate at 65°C for 5 minutes or 90°C for 2 minutes. Place on a magnetic rack for magnetic separation, and collect the supernatant.\u003c\/p\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\n\u003cp\u003e\u003cb\u003eQ: What is the biotin binding capacity of SA1000 streptavidin magnetic beads?\u003c\/b\u003e\u003cbr\u003e\nA: 1 mg of SA1000 magnetic beads can bind approximately 1000 pmoles of free biotin, 400 pmoles of biotinylated oligonucleotides, and 15 μg of biotinylated antibodies.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: What applications are SA1000 magnetic beads suitable for?\u003c\/b\u003e\u003cbr\u003e\nA: SA1000 beads are suitable for molecular and immuno-diagnostics, nucleic acid purification, cell sorting, cDNA expression library construction, and drug screening applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: What is the particle size of SA1000 streptavidin beads?\u003c\/b\u003e\u003cbr\u003e\nA: SA1000 streptavidin magnetic beads have a particle size of 1000 nm.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: Can SA1000 magnetic beads bind DNA and RNA?\u003c\/b\u003e\u003cbr\u003e\nA: Yes. SA1000 beads can bind biotinylated oligonucleotide DNA\/RNA molecules for purification and capture workflows.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: How long does magnetic separation take?\u003c\/b\u003e\u003cbr\u003e\nA: Magnetic separation is typically completed within approximately 1 minute using a standard magnetic stand.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: Can SA1000 streptavidin magnetic beads be frozen?\u003c\/b\u003e\u003cbr\u003e\nA: No. Freezing may cause loss of magnetic bead activity. Store the product at 2–10°C and keep the container upright during storage.\u003c\/p\u003e\n\u003ch2\u003eRelated Streptavidin Magnetic Beads\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 20px 0 35px 0;\"\u003e\n\u003cdiv style=\"border: 1px solid #d9e4f2; border-radius: 10px; padding: 18px; background: #f8fbff;\"\u003e\n\u003ch3 style=\"margin: 0 0 8px 0; color: #0056b3; font-size: 18px;\"\u003eSA200 Streptavidin Beads\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 14px 0; font-weight: bold;\"\u003eBead Size: 200 nm\u003c\/p\u003e\n\u003ca href=\"https:\/\/biofargo.com\/products\/streptavidin-magnetic-beads-200nm-sa200?variant=52538144030901\" style=\"display: inline-block; background: #0056b3; color: #fff; text-decoration: none; padding: 9px 16px; border-radius: 5px; font-weight: bold;\"\u003eView Product\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #d9e4f2; border-radius: 10px; padding: 18px; background: #f8fbff;\"\u003e\n\u003ch3 style=\"margin: 0 0 8px 0; color: #0056b3; font-size: 18px;\"\u003eSA500 Streptavidin Beads\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 14px 0; font-weight: bold;\"\u003eBead Size: 500 nm\u003c\/p\u003e\n\u003ca href=\"https:\/\/biofargo.com\/products\/streptavidin-beads-1?variant=51991408672949\" style=\"display: inline-block; background: #0056b3; color: #fff; text-decoration: none; padding: 9px 16px; border-radius: 5px; font-weight: bold;\"\u003eView Product\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #d9e4f2; border-radius: 10px; padding: 18px; background: #f8fbff;\"\u003e\n\u003ch3 style=\"margin: 0 0 8px 0; color: #0056b3; font-size: 18px;\"\u003eSA2800 Streptavidin Beads\u003c\/h3\u003e\n\u003cp style=\"margin: 0 0 14px 0; font-weight: bold;\"\u003eBead Size: 2800 nm\u003c\/p\u003e\n\u003ca href=\"https:\/\/biofargo.com\/products\/streptavidin-beads?_pos=2\u0026amp;_sid=668447f54\u0026amp;_ss=r\" style=\"display: inline-block; background: #0056b3; color: #fff; text-decoration: none; padding: 9px 16px; border-radius: 5px; font-weight: bold;\"\u003eView Product\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eDocuments\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0521\/5312\/2997\/files\/SA-1000.pdf?v=1779247801\"\u003e\u003cstrong\u003eUser Manual\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0521\/5312\/2997\/files\/Biofargo_Leadonano_SA_Magnetic_Beads_Application_Data.pdf?v=1779083022\"\u003e\u003cstrong\u003eApplication Performance Data\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv id=\"display-search-keyword\" style=\"display:none\"\u003esa1000, strep beads\u003c\/div\u003e","brand":"Leadonano","offers":[{"title":"1 mL","offer_id":52335133425845,"sku":"SA1000-1mL","price":89.0,"currency_code":"USD","in_stock":true},{"title":"5 mL","offer_id":52335133458613,"sku":"SA1000-5mL","price":443.0,"currency_code":"USD","in_stock":true},{"title":"20 mL","offer_id":52335133491381,"sku":"SA1000-20mL","price":1772.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/5312\/2997\/files\/Streptavidin_Beads.jpg?v=1774505247","url":"https:\/\/biofargo.com\/products\/streptavidin-beads-1000-nm","provider":"Biofargo","version":"1.0","type":"link"}