Magnetic adsorbent - Matrix:SiO2,Surface group:-NH2,Size:2-3um,unit:10mg/ml

Cat. No.: M121912

GRADE & PURITY Matrix:SiO2,Surface group:-NH2,Size:2-3um,unit:10mg/ml

Storage

Room temperature

Shipped In

Normal

Specifications

Spécifications et pureté

Matrix:SiO2,Surface group:-NH2,Size:2-3um,unit:10mg/ml

Conditions de stockage de stockage

Room temperature

Expédié en

Normal

Application Protocols

No item-specific, validated protocols are provided for SKU M121912. Refer to the product CoA/Spec Sheet and SDS for any handling instructions.

General laboratory considerations (literature; not item-specific):

• Pre-use: Gently resuspend or pre-wet in working medium. If supplied dry, wash to remove fines and equilibrate to buffer/solvent.
• Batch contact: Combine sample with an empirically determined mass of adsorbent; mix adequately to avoid mass-transfer limits.
• Magnetic separation: Place tube on a suitable magnet; allow complete clearing; decant or aspirate supernatant carefully.
• Wash/elute: Apply washes to remove non-specific species; elute bound species with increased ionic strength, pH shift, or stronger solvent as dictated by the surface chemistry.
• Documentation: Record magnet model, collection time, bead mass, and mixing regime for reproducibility.

These are generic workflow pointers only; optimize for your specific system.

Biological Roles

This product is a laboratory adsorbent material rather than a defined biomolecule. Biological roles in vivo are not applicable.

General laboratory relevance (literature):

• Surface chemistries tailored for biomolecule capture (e.g., silica-like for nucleic acids in chaotropic salts; ion-exchange for proteins) enable purification, cleanup, and enrichment from lysates or culture media.
• Magnetic handling allows gentle processing of sensitive biomolecules without centrifugation-induced shear, improving recovery for some targets.
• For nucleic acid workflows, binding typically increases with chaotropic salts and ethanol; elution in low-ionic-strength buffers or water is common. For proteins, salt and pH modulate ion-exchange interactions; imidazole or competing ligands elute affinity-bound species (all literature-general, not item-specific).

Note: No claims are made regarding biocompatibility, sterility, endotoxin, DNase/RNase status, or clinical/diagnostic use for SKU M121912. For any biological application, verify grade and cleanliness on the CoA and perform suitability testing.

Buffer Applications

Item-specific buffer compatibility and operating pH range are not specified; refer to the CoA/Spec Sheet. The following are general, literature-based considerations for magnetic adsorbents:

• pH influence: Adsorption often depends on ionization state of surface ligands and analytes. Ion-exchange media show strong pH-dependent capacity (typical operating windows ~pH 3–9, depending on chemistry).
• Ionic strength: Increasing salt can suppress electrostatic binding (desorption) for ion-exchange, or promote hydrophobic interactions (salting-out) for hydrophobic surfaces.
• Additives: Alcohols (ethanol/isopropanol) and chaotropes (guanidinium/urea) modulate binding for nucleic acids/proteins on silica-like or hydrophobic phases.
• Buffer selection: Choose buffering ions that do not chelate target metals (for metal capture) or compete strongly with analyte binding. Avoid phosphate with Ca2+/Fe3+ systems if precipitation is a risk.
• Practical tips: Pre-equilibrate adsorbent with working buffer, monitor pH drift, and verify no buffer components leach or foul the adsorbent. Small-scale scouting of pH and salt gradients is recommended.

Green Alternatives

Magnetic adsorbents can enable greener separations by reducing energy and consumables compared with centrifugation or vacuum filtration. Specific environmental metrics for this SKU are not specified; the following are general considerations (literature):

Benefits:

• Lower energy input: rapid magnetic capture at ambient pressure/temperature vs. pump- or vacuum-driven separations.
• Reduced consumables: fewer filter media/syringes; easier phase disengagement in viscous or particulate feeds.
• Process intensification: batch SPE without cartridges; potential solvent reduction via higher phase contact efficiency.

Tradeoffs:

• Core and coating manufacture (e.g., iron oxide, silica, polymers) has its own footprint; ligand synthesis may involve organic solvents and reagents.
• End-of-life: regeneration requires solvents; spent adsorbent may contain concentrated contaminants necessitating hazardous disposal.

Comparison (general, qualitative):

• Magnetic adsorbent vs. centrifugation: less electricity and time; no rotor/consumable wear.
• Magnetic adsorbent vs. cartridge SPE: reduced plastic waste; but adsorbent may be single-use depending on application and fouling.
• Magnetic adsorbent vs. nonmagnetic powders (e.g., activated carbon): easier phase separation, lower fines release; potential lower dust exposure.

Greener practice tips:

• Optimize binding capacity to minimize adsorbent mass.
• Regenerate where feasible with benign eluents (e.g., aqueous salt/pH shift, alcohols) and validate retained performance.
• Consolidate magnetic separations to reduce magnet handling steps and operator exposure.

Pharmaceutical Uses

No pharmacopeial status, excipient designation, or GMP grade is specified for SKU M121912; it is provided for research use only.

General, non-clinical context (literature):

• Process development: Magnetic adsorbents can be screened at bench scale for clarification, impurity scavenging (e.g., host-cell proteins, DNA), or catalyst removal in small-molecule process research.
• Analytical sample prep: Cleanup of formulation extracts prior to chromatographic analysis (e.g., removal of phospholipids or trace metals) using appropriate surface chemistries.
• Enabling technology: Rapid prototyping of capture/release schemes for emerging modalities (oligonucleotides, peptides) before translation to packed-bed media.

Compliance note: Use in clinical manufacturing or as a component in drug products requires appropriate qualification and regulatory documentation not provided here. Verify extractables/leachables, bioburden/endotoxin, and particulate specifications where relevant for higher-grade applications.

Physical Properties

Item-specific values are not provided in the Product Data for SKU M121912; consult the CoA/Spec Sheet for definitive specifications.

• Appearance: Not specified for this item; refer to CoA/Spec Sheet.
• Particle size, surface area, pore size, magnetization (Ms), ligand loading: Not specified for this item; refer to CoA/Spec Sheet.
• Density/bulk density, moisture content: Not specified for this item; refer to CoA/Spec Sheet.
• Solubility: Insoluble solid phase (typical for magnetic adsorbents; literature). Dispersible in selected media depending on surface chemistry (literature).
• Thermal stability: Typically stable at ambient conditions; decomposition/oxidation on strong heating varies with composition (literature). Not specified for this item.
• pH stability window: Not specified for this item; refer to CoA/Spec Sheet. (Literature: common silica/polymer-coated iron oxides tolerate ~pH 3–10 with variations.)
• Magnetic behavior (literature): Many fine magnetic adsorbents are superparamagnetic at room temperature, enabling rapid magnetic capture without remanence; actual behavior for this item is not specified.

General note: For method development, determine practical properties empirically (sedimentation under a handheld magnet, dispersion stability in intended medium, adsorption capacity toward a test analyte).

Quality and Grades

• Grade/purity: Not specified for this item; refer to CoA/Spec Sheet.
• Because the listing does not disclose composition or grade, end-users should verify suitability by reviewing the CoA and performing small-scale trials.

Typical quality attributes for magnetic adsorbents (general, literature):

• Physical: particle size distribution, aggregation index, magnetic responsiveness (collection time with a defined magnet), and sedimentation behavior.
• Chemical: surface ligand identity and loading (mmol/g), inorganic content (e.g., Fe, Si by ICP-OES), residual monomers/solvents, leachables under operating pH/solvent conditions.
• Performance: binding capacity for model analyte (e.g., dye, protein, metal ion, hydrophobe), kinetics (time to equilibrium), selectivity versus competitors, reusability/regeneration cycles.
• Cleanliness for analytical workflows: extractables profile, background in LC/GC/MS (low bleed), metal contamination if used upstream of trace analyses.
• Documentation normally provided: CoA (batch-specific), specification sheet (allowable ranges), and SDS.

Implications:

• If intended for catalyst scavenging or metal capture, confirm ligand loading and metal affinity.
• If intended for biomolecule work, confirm bioburden, endotoxin, and nuclease status where relevant (often provided for biotech-oriented grades). None of these are specified for this item.

Reaction and Applications

Applications below are general to magnetic adsorbents; SKU-specific validated uses are not provided.

• Sample cleanup and enrichment (literature):
  • Removal of proteins, lipids, dyes, or small-molecule interferences from complex matrices via hydrophobic, ion-exchange, or affinity surfaces.
  • Solid-phase extraction in batch: condition → load → wash → elute with magnet-assisted phase separation.
• Metal/catalyst scavenging (synthetic chemistry):
  • Post-reaction removal of Pd, Ni, Cu, or organocatalysts using chelating or thiolated surfaces; magnetic separation simplifies workflow and reduces filtration clogging.
• Adsorptive removal in environmental/analytical work:
  • Capture of heavy metals (e.g., Pb2+, AsO4 3−), dyes, or PFAS using tailored surfaces; rapid separation minimizes secondary waste (literature).
• Bioprocess research (non-clinical):
  • Nucleic acid or protein binding using silica-like or affinity ligands for bench-scale purification and cleanup (no clinical/diagnostic claims).
• Catalyst/support roles:
  • Immobilization of catalysts/enzymes on magnetic carriers for easy recovery and reuse; useful in flow-batch hybrid systems.

Practical tips (general):

• Pre-wet/condition in the intended medium to break soft agglomerates; gentle sonication may help if compatible.
• Mix sufficiently (end-over-end/tilt rotation) to avoid mass-transfer limits; record collection time under a defined magnet for method consistency.
• Validate carryover and leaching by analyzing supernatants/eluates, especially before trace analysis.

Reaction Conditions

No item-specific operating conditions are provided for SKU M121912. The following general, literature-based guidance applies to batch adsorption with magnetic media:

• Medium: Choose buffer/solvent consistent with surface chemistry (aqueous for ion-exchange/affinity; organic or mixed for hydrophobic phases). Verify compatibility on a small scale.
• Loading: 1–50 mg adsorbent per mL of solution is a common scouting range; adjust to reach target capacity and kinetics. Contact times of 2–30 min with vigorous mixing (end-over-end or vortex/plate shaker) are typical.
• Temperature: Ambient (20–25°C) is standard; modest warming (up to ~40°C) can accelerate kinetics if the adsorbent is stable. Not specified for this item.
• Separation: Use a strong external magnet; record collection time to a clear supernatant to benchmark performance.
• Washing/elution: Tailor strength (salt, pH, solvent) to remove non-specific binders and recover analyte. For metal/catalyst scavenging, strong chelators (e.g., EDTA) may be used if compatible with the support (general guidance only).
• Regeneration: Rinse sequentially with strong solvent or pH swing, then equilibrate back to storage/working medium. Monitor any color change or fines release as indicators of degradation.
• Analytics: Quantify before/after concentrations by HPLC/GC/ICP to determine capacity and breakthrough.

All values above are literature-general, not specifications for this item.

Safety and Handling

• GHS classification, signal word, pictograms, H-statements: Not specified for this item; consult the product SDS for authoritative hazard information.
• Expected hazards (general, literature):
  • Nuisance dust may cause mechanical irritation to eyes/respiratory tract; avoid generating dust/aerosols. Some surface ligands or residual monomers (if polymer-coated) may present additional hazards depending on chemistry.
  • Strong magnetic fields can attract the material to magnets or ferromagnetic tools, creating pinch or splatter hazards if suspended.
• Incompatibilities (general): strong oxidants or acids/bases may attack coatings or cores (e.g., iron oxide dissolution in strong acid; silica dissolution in strong base). Avoid complexing agents that could strip metal centers on chelating surfaces where applicable.
• PPE: laboratory coat, safety glasses, and suitable gloves. Use a fume hood when handling fine powders or volatile reagents with the adsorbent.
• First aid (general):
  • Eye contact: Rinse with water for several minutes; remove contact lenses; seek medical attention if irritation persists.
  • Skin contact: Wash with soap and water; remove contaminated clothing.
  • Inhalation: Move to fresh air; seek medical attention if symptoms occur.
  • Ingestion: Rinse mouth; do not induce vomiting; seek medical attention.
• Spill response: Avoid dust; gently sweep or use HEPA-filtered vacuum. For wet slurries, use absorbent pads and collect with a magnet into a waste container.
• Waste: Dispose according to local regulations; surfaces bearing heavy metals or organics after use may require hazardous waste classification.
• Storage per Product Data: room temperature; ship normal. Keep container tightly closed, dry, and away from corrosives. Refer to SDS for definitive guidance.

Solvent Selection

Selection depends on the (unspecified) surface chemistry. Item-specific solvent compatibility is not provided; consult the CoA/Spec Sheet and test on a small scale.

General guidance (literature):

• Aqueous systems: Many carboxyl-, amino-, or ion-exchange surfaces operate in water/buffers (pH 3–9). Salts (NaCl) and cosolvents (up to 20–50% v/v ethanol/isopropanol) can modulate adsorption and elution.
• Organic systems: Hydrophobic or C18-like surfaces may be compatible with alcohols, acetonitrile, ethyl acetate, or hydrocarbons. Avoid solvents that swell/dissolve polymer coatings (e.g., ketones/esters for some polymers). For silica-like shells, avoid strong base (silica dissolution risk).
• Mixed-phase SPE-style operations: Condition with strong solvent, equilibrate with loading solvent, load sample, wash interferences, elute analyte with stronger solvent/ionic strength/pH switch.
• Temperature: Room temperature operation is typical; viscosity and kinetics improve modestly with mild warming if the material tolerates it.

Comparison (general):

• Magnetic adsorbent vs. nonmagnetic beads: eliminates centrifugation/filtration; suitable for viscous or particulate feeds.
• Magnetic vs. traditional SPE cartridges: enables batch-mode processing and automation with magnet racks; lower pressure drop, but requires careful resuspension for reproducibility.

Storage and Reconstitution

• Storage conditions (from Product Data): Room temperature. Ship normal.
• Container: Keep tightly closed to prevent moisture uptake and contamination. Store away from corrosive vapors and strong oxidants/bases/acids.
• Light/oxygen sensitivity: Not specified for this item; refer to CoA/Spec Sheet. As a general practice, store in a dry, inert environment if the surface or core is air/moisture sensitive.
• Physical state: Not specified (dry powder vs. wet slurry); refer to CoA/Spec Sheet.
• Reconstitution/Equilibration (general, if supplied dry; not item-specific):
  • Disperse in a compatible solvent/buffer; gently invert or use a rotator to obtain a uniform suspension. Brief, low-power sonication can help break soft agglomerates if compatible.
  • Wash/condition in the intended working medium prior to use.
• Freeze–thaw: Typically not applicable to inorganic/solid adsorbents; if supplied as an aqueous slurry with stabilizers, avoid freezing unless specified by the manufacturer.
• Shelf life: Not specified for this item; refer to CoA/Spec Sheet.
• Research Use Note: For research use only.

Structure and Identity

• Item type: magnetic adsorbent (material class; exact composition and surface chemistry are not specified for this SKU).
• Item-specific identifiers:
  • CAS: Not specified for this item; refer to CoA/Spec Sheet.
  • Molecular formula: Not specified for this item; refer to CoA/Spec Sheet.
  • Molecular weight: Not specified for this item; refer to CoA/Spec Sheet.
  • SMILES / InChI / InChIKey: Not applicable for an unspecified composite material; not provided.
• Structural features (general, literature):
  • Many magnetic adsorbents comprise a magnetic core (often magnetite Fe3O4 or maghemite γ-Fe2O3; literature) coated with an inorganic (e.g., silica) or polymeric shell to present adsorption ligands (e.g., C18, ion-exchange, chelators).
  • The material may be particulate (nano/micro-spheres) enabling rapid magnetic separation under an external field. Surface functionality determines selectivity (hydrophobic, ionic, affinity, metal-chelating).
• 2D/3D description (general): particulate solid with a magnetic core and a functionalized surface; no defined small-molecule structure applicable.
• NOTE: Because no composition is provided for SKU M121912, all structural descriptions above are general background and not specifications for this item.

Synthetic Utility

As a magnetic, solid-phase adsorbent, this material functions as a separations tool or support rather than a stoichiometric reagent. Composition for SKU M121912 is not specified; the following utilities are general (literature):

• Workup simplification:
  • Scavenging of residual transition-metal catalysts (Pd, Ni, Cu) via chelating/thiolated surfaces.
  • Removal of amines, acids, or isocyanates with complementary ion-exchange or nucleophilic/electrophilic surfaces.
• Catalyst/enzymatic immobilization:
  • Supporting homogeneous catalysts or enzymes on magnetic carriers for easy recovery and reuse; facilitates telescoped sequences with magnetic decantation.
• Product capture and release:
  • Temporary binding of target molecules (e.g., hydrophobic intermediates) for solvent swaps or impurity purges.
• Flow-compatible batch operations:
  • Magnetic retention zones can act as pseudo-packed beds for rapid contact in microreactors (method-development scale).

Practical notes:

• Validate compatibility of the coating/ligand with reaction media (bases, oxidants, chlorinated solvents).
• Determine capacity (mmol/g) for the impurity/target under actual conditions; tune stoichiometry accordingly.
• Regeneration: Elute bound species with pH/salt/solvent changes; verify no activity loss or leaching prior to reuse.

Target Specificity

Not applicable. This product is a general magnetic adsorbent and is not an antibody, probe, or affinity reagent with defined biological target specificity. No target, epitope, clone, or isotype information is provided or implied for SKU M121912.