Tris-Triton-NaCl buffer - pH8.0

Cat. No.: T301519

GRADE & PURITY pH8.0

Storage

Room temperature

Specifications

Specifications & Purity

pH8.0

Storage

Room temperature

Application Protocols

Exact, item-validated protocols are not provided for this product. The following general procedures (literature-based) illustrate common uses of Tris–Triton–NaCl buffers. Adjust to your system and consult the CoA/Spec Sheet.

• A. Cell lysis for total protein extraction

  1. Chill buffer and consumables to 4 °C. Add fresh protease/phosphatase inhibitors.
  2. Resuspend cell pellet (e.g., 1×10^7 cells) in 0.5–1 mL buffer (Tris 20–50 mM, NaCl 150–300 mM, Triton 0.1–1.0%).
  3. Incubate on ice 10–20 min with gentle mixing. Optional: brief sonication bursts to shear DNA.
  4. Centrifuge 10,000–20,000 × g for 10–20 min at 4 °C; collect supernatant for analysis.

• B. Membrane protein enrichment/solubilization

  1. Suspend membrane fraction in buffer with 0.5% Triton; rotate 30–60 min at 4 °C.
  2. Titrate detergent (0.1–1.0%) to balance solubilization and activity preservation.
  3. Clarify by centrifugation; proceed to SDS-PAGE or affinity purification (detergent-compatible).

• C. Permeabilization for immunostaining

  1. After fixation, incubate cells/tissue with buffer containing 0.1–0.3% Triton for 5–10 min at room temperature.
  2. Rinse thoroughly before blocking and antibody incubation.

• Notes

  • Avoid excessive foaming; verify compatibility with downstream assays (detergents can interfere with MS and some enzymes).
  • If sterility is needed, 0.2 μm filter the buffer; consider preservatives for bench storage if appropriate for the application.

Biological Roles

This section summarizes the roles of the buffer’s constituent classes in biochemical contexts (literature/general information).

• Tris (tris(hydroxymethyl)aminomethane)

  • Serves as a widely used biological buffer in the near-neutral to alkaline range (pH ~7–9), stabilizing protein structure and enzyme function by resisting pH drift. Its pKa decreases with increasing temperature, making temperature control crucial for consistent pH.

• Sodium chloride (NaCl)

  • Establishes ionic strength and screens electrostatic interactions. At physiological-like levels (~150 mM), NaCl can reduce nonspecific binding of proteins to surfaces and to each other, modulate protein solubility, and maintain osmotic balance in cell-based applications.

• Triton-type nonionic surfactant

  • Amphiphile that inserts into lipid bilayers, disrupting membrane integrity to release cellular contents while being less denaturing than ionic detergents (e.g., SDS). At sub-CMC levels, it can reduce nonspecific adsorption of proteins to plastics and interfaces.

• Integrated function in workflows

  • Together, Tris controls pH, NaCl sets ionic environment, and Triton provides gentle solubilization—supporting protein extraction, immunoassays, and enzyme-based measurements where preserving native-like conformations is desirable.

Note: The above are general biochemical roles; specific performance characteristics depend on the exact composition of this product (not specified; consult CoA/Spec Sheet).

Buffer Applications

Highly applicable: Tris–Triton–NaCl buffers are staples for protein work. Exact recipe for this item is not specified; the following serves as literature-based guidance.

• Common use cases

  • Cell and tissue lysis for total protein extraction, especially for cytosolic and many membrane-associated proteins.
  • Permeabilization steps in immunostaining/IF when stronger permeabilization than Tween-20 is required.
  • Wash and block buffers in ELISA/immunoblotting where hydrophobic interactions cause background.

• Typical working formulations (examples; adjust empirically)

  • Tris 20–50 mM, pH 7.4–8.0 at working temperature; NaCl 150–300 mM; Triton 0.1–1.0% (v/v). Optional: 1–5 mM MgCl2 or CaCl2 for nuclease-dependent protocols; protease/phosphatase inhibitor cocktails added fresh.

• Practical guidance

  • pH control: Calibrate at intended temperature; Tris pKa is temperature sensitive.
  • Detergent concentration: Start low (0.1–0.2%) and titrate; excessive Triton can disrupt protein–protein interactions and downstream assays.
  • Clarify lysates by centrifugation; avoid foaming to limit protein denaturation and inaccurate volumes.
  • Downstream compatibility: Detergents may interfere with MS, certain enzyme assays, and affinity matrices—consider removal (spin columns, precipitation, phase-partitioning) or use detergent-tolerant methods.

• Quality checks

  • Measure pH and conductivity; verify absence/presence of preservatives depending on application; sterile-filter if sterility is required.

Item-specific parameters (pH, concentrations, additives) are Not specified for this item; refer to CoA/Spec Sheet.

Green Alternatives

• Context

  • Triton X-100 and related alkylphenol ethoxylates have environmental persistence and aquatic toxicity concerns; regulatory restrictions exist in some jurisdictions (literature). Greener or more compliant substitutes may be desirable depending on institutional policies.

• Potential alternatives (literature; evaluate experimentally)

  • Tergitol NP-series or IGEPAL CA-630 substitutes engineered to be free of alkylphenol moieties while retaining similar nonionic surfactant properties.
  • Polysorbates (e.g., Tween-20): milder nonionic detergents widely used in wash buffers (TBS-T/PBS-T). Lower environmental concern but different micelle characteristics.
  • N-dodecyl-β-D-maltoside (DDM) or lauryl maltose neopentyl glycol (LMNG): biodegradable sugar-based detergents favored for sensitive membrane proteins; higher cost.
  • CHAPS: zwitterionic, more MS- and chromatography-compatible at low levels; distinct solubilization profile.

• Comparison highlights (general)

  • Solubilization strength: Triton ≳ Tween-20; DDM/LMNG often preserve activity of fragile complexes better but may require higher concentrations.
  • Regulatory/environmental profile: Sugar-based and polysorbate detergents generally preferred over alkylphenol ethoxylates.
  • Analytical compatibility: CHAPS/low-Tween more MS-friendly than Triton; specialized MS-compatible surfactants (e.g., RapiGest) are cleavable but costlier.

• Practical path to greener use

  • Minimize detergent concentration to the lowest effective level.
  • Implement detergent removal or recycling where feasible.
  • Document detergent identity explicitly for compliance and reproducibility.

Pharmaceutical Uses

No medical or clinical claims are made. The following describes general formulation/manufacturing roles for Tris–Triton–NaCl-type buffers (literature/general guidance):

• Process and analytical support

  • Used as process buffers for protein extraction from cells during upstream research, and for washing/conditioning steps in chromatography or filtration where controlled ionic strength and mild surfactancy are desired.
  • Tris provides pH control in the near-neutral to slightly alkaline range, while NaCl tunes ionic strength to reduce nonspecific interactions during purification steps.

• Formulation considerations

  • Nonionic detergents like Triton can stabilize proteins against surface adsorption and agitation; however, many biopharmaceutical processes avoid alkylphenol ethoxylates due to regulatory and extractables/leachables concerns.
  • Where detergency is required, polysorbates (Tween-20/80) or sugar-based surfactants are often preferred in regulated settings.

• Specifications typically controlled (not item-specific)

  • pH at 20–25 °C, conductivity, bioburden/endotoxin, particulate load (via 0.2 μm filtration), and detergent identity/concentration.

• Documentation

  • For any GMP-related use, formal specifications and change controls are necessary. This catalog item is for research use only; suitability for regulated manufacturing must be independently assessed.

Item-specific pharmacopeial status, sterility, and endotoxin limits: Not specified for this item; refer to CoA/Spec Sheet.

Physical Properties

• Item-specific properties

  • Buffer form (liquid vs powder), exact pH, ionic strength (NaCl molarity), and Triton concentration: Not specified for this item; refer to CoA/Spec Sheet.
  • Appearance: Not specified for this item; refer to CoA/Spec Sheet.

• General/literature characteristics of Tris–NaCl–Triton buffers (for context; not item specifications)

  • Aqueous solution, typically clear and colorless when prepared with high-purity reagents and water.
  • Typical Tris buffering range (literature): pKa(Tris) ≈ 8.06 at 25 °C; effective pH ~7.0–9.0; d(pKa)/dT ≈ −0.028 pH/°C (temperature sensitive).
  • Common working compositions (examples):
    • Tris 10–50 mM; NaCl 100–500 mM; Triton (nonionic) 0.05–1.0% (v/v or w/v), depending on application.
  • Ionic strength: governed primarily by NaCl; higher salt (≥150 mM) can diminish nonspecific protein–protein/ion-exchange interactions.
  • Micellar behavior (Triton-type, literature): critical micelle concentration (CMC) typically ~0.2–0.9 mM in water at 25 °C; micelle size ~7–10 nm; nonionic headgroup minimizes charge effects.
  • Density and refractive index: close to water for dilute buffers; increases with detergent and salt content (literature trend).
  • Solubility: fully miscible with water; Triton-type surfactants are soluble and remain nonionic across wide pH.

• Practical notes

  • Because Tris pKa is temperature-dependent, calibrate pH at the intended working temperature.
  • Detergent foaming can affect volumetric readings; degas or mix gently when precise volumes are critical.

Quality & Grades

• Item-specific details

  • Grade/purity: Not specified for this item; refer to CoA/Spec Sheet.
  • Stabilizers, preservatives, UV cutoff, metal content: Not specified for this item; refer to CoA/Spec Sheet.

• Interpreting buffer grades (general guidance)

  • Molecular biology/biotechnology grade: low nuclease/protease/endotoxin background; suitable for sensitive protein/DNA/RNA workflows.
  • Analytical grade: controlled ionic content and low UV absorbance for spectroscopic compatibility.
  • Cell culture grade: biocompatible, sterile, and endotoxin-controlled; often filtered (0.2 μm) and may be produced in cleanroom conditions.

• What to verify for Tris–Triton–NaCl buffers (practical checklist)

  • Exact Tris concentration and pH at a defined temperature (Tris pKa is temperature-dependent).
  • NaCl concentration and conductivity/ionic strength (impacts protein interactions and chromatography behavior).
  • Detergent identity and percentage (v/v or w/v), and whether it is an alkylphenol ethoxylate (Triton X-100 class) or a regulatory-compliant substitute.
  • Bioburden/endotoxin levels, filtration (e.g., 0.2 μm), and preservative status (e.g., sodium azide) if long-term bench storage is intended.
  • Absence of chelators (e.g., EDTA) or reducing agents unless required, as these can affect metalloproteins and enzyme assays.

• Documentation

  • Use the product’s CoA/Spec Sheet for lot-specific specifications, QC tests (e.g., pH, conductivity), and any functional QC (e.g., protein recovery in a model assay).

Reaction & Applications

• Item-specific application statements

  • Manufacturer-supplied application list: Not specified for this item; refer to product page/CoA.

• General/literature applications for Tris–Triton–NaCl buffers (non-exhaustive)

  • Protein extraction and cell lysis: Nonionic Triton disrupts lipid bilayers while largely preserving protein tertiary structure and many protein–protein interactions, aided by Tris pH control and NaCl ionic strength.
  • Membrane protein solubilization: Facilitates extraction of integral and peripheral membrane proteins for downstream analysis (SDS-PAGE sample prep, immunoblotting after dilution or detergent exchange).
  • Immunoassay washing/permeabilization: In some workflows, Triton-based buffers are used for cell permeabilization (e.g., IF) and plate washing where stronger hydrophobic interaction disruption is needed than with Tween-20.
  • Enzyme assays: Provides stable pH environment; low levels of nonionic detergent can reduce nonspecific adsorption to plastics and proteins, improving reproducibility.

• Practical considerations (literature)

  • Typical working compositions: Tris 10–50 mM; NaCl 100–500 mM; Triton 0.05–1.0% (v/v or w/v), adjusted per sample type. Optimize empirically to balance solubilization against preservation of complexes.
  • Additives: Protease/phosphatase inhibitors are commonly included fresh; EDTA is often added for metalloprotease inhibition but may interfere with metal-dependent proteins.
  • Temperature: Work at 4 °C for labile proteins; note Tris pH shift with temperature—adjust pH accordingly or calibrate at working temperature.
  • Clarification: Post-lysis centrifugation (e.g., 10,000–20,000 × g, 10–20 min, 4 °C) removes insoluble debris.

• Downstream compatibility

  • Detergents can impede MS or affinity resins; consider detergent-compatible protocols or removal prior to analysis.

Reaction Conditions

Because exact formulation is not specified for this item, the following summarizes literature-based conditions for common biochemical uses of Tris–Triton–NaCl buffers. Adapt to your system and consult the CoA/Spec Sheet for item details.

• Cell/tissue lysis for protein extraction (general)

  • Buffer: Tris 20–50 mM, pH 7.4–8.0; NaCl 150–300 mM; Triton 0.1–1.0% (v/v).
  • Add fresh protease/phosphatase inhibitors as needed.
  • Ratio: ~5–10 mL buffer per g wet tissue or 0.5–1 mL per 1×10^7 cells.
  • Incubation: 10–30 min on ice with periodic mixing; avoid foaming.
  • Clarify: 10,000–20,000 × g, 10–20 min, 4 °C.

• Membrane protein solubilization (general)

  • Start with Triton at 0.5% and titrate 0.1–1.0%; maintain salt ≥150 mM to reduce aggregation.
  • Temperature: 4 °C for labile complexes; room temperature can increase solubilization but may disrupt interactions.

• Immunostaining permeabilization (general)

  • Triton 0.1–0.5% in Tris–salt buffer for 5–10 min at room temperature; optimize to cell type.

• Enzyme assays (general)

  • Use minimal detergent (0.01–0.1%) to mitigate adsorption; verify enzyme tolerance to nonionic surfactants.

• Downstream processing

  • For MS or chromatography, remove or dilute detergent below interference thresholds (e.g., detergent removal spin columns; protein precipitation).

These conditions are representative literature values and are not specifications for this item.

Safety & Handling

• Item-specific hazard information

  • Signal word, H-statements, GHS classification, and pictograms: Not specified for this item; refer to SDS.

• General safety profile (literature/general guidance; not item-specific)

  • Tris and NaCl: generally low acute toxicity; may cause irritation to eyes/skin in concentrated forms.
  • Triton-type nonionic surfactants: can cause eye/skin irritation; harmful to aquatic life with long-lasting effects (environmental concerns reported for alkylphenol ethoxylates).

• Personal protective equipment (PPE)

  • Wear lab coat, safety glasses or face shield, and appropriate chemical-resistant gloves (e.g., nitrile).
  • Use in a well-ventilated area; avoid aerosol generation and inhalation of mists.

• First aid (overview; defer to SDS)

  • Skin/eye contact: Rinse immediately with plenty of water for ≥15 minutes; remove contaminated clothing; seek medical attention if irritation persists.
  • Inhalation: Move to fresh air; seek medical advice if symptoms occur.
  • Ingestion: Rinse mouth; do not induce vomiting; seek medical attention.

• Handling and storage

  • Store tightly closed at room temperature as specified for this item; protect from microbial contamination and excessive heat.
  • Avoid contact with strong oxidizers and reactive electrophiles; nonionic surfactants can solubilize hydrophobic chemicals—prevent cross-contamination.

• Special considerations

  • Detergents can permeabilize skin and enhance dermal absorption of co-contaminants—minimize exposure.
  • Dispose of solutions containing nonionic surfactants per institutional and local environmental regulations.
  • Always consult the product-specific SDS for authoritative hazard and response information.

Solvent Selection

This product is an aqueous buffer rather than an organic solvent; solvent-selection considerations focus on compatibility with biomolecules and assays.

• Polarity and medium characteristics (general)

  • Highly polar, water-based matrix providing controlled pH (via Tris) and ionic strength (via NaCl).
  • Nonionic surfactant micelles enhance the solubilization of hydrophobic and membrane-associated proteins without conferring charge.

• Miscibility and compatibility

  • Fully miscible with water and other common aqueous buffers. Mixing with high percentages of organic solvents (e.g., >20–30% methanol or acetonitrile) may disrupt micelles and alter protein solubility (literature observation).
  • Compatible with many enzyme assays; however, nonionic detergents can inhibit or alter activity of some enzymes and can affect spectroscopic/plate-based assays via background absorbance or foaming.

• Choosing Tris–Triton–NaCl vs alternatives (general guidance)

  • Use when gentle, non-denaturing solubilization of membranes/proteins is required and salt-mediated reduction of nonspecific interactions is beneficial.
  • Consider PBS + detergent for phosphate-dependent systems or when compatibility with calcium/magnesium is required (Tris can chelate weakly and is temperature sensitive).
  • Consider Tris–Tween (TBS-T) for immunoblots/washes focusing on minimizing hydrophobic binding with a milder, highly water-soluble surfactant; consider CHAPS or digitonin for preserving protein complexes.

• Practical tips

  • Verify downstream compatibility (mass spectrometry, chromatography, electrophoresis); detergents can suppress MS ionization and interfere with certain resins.
  • If needed, exchange into detergent-free buffer by dialysis, spin columns, or detergent removal resins.

Storage & Reconstitution

• Item-specific storage/shipping

  • Storage condition: Room temperature (per Product Data).
  • Shipped in: Not specified for this item; refer to CoA/Spec Sheet.

• Stability and handling (general guidance)

  • Keep container tightly closed to limit evaporation, contamination, and detergent oxidation. Protect from excessive heat and direct sunlight.
  • For long-term bench storage of aqueous buffers, microbial growth can occur. If application permits, sterile-filter (0.2 μm) and/or include an appropriate preservative (e.g., sodium azide); verify compatibility with downstream assays and safety policies.

• Reconstitution (if supplied as concentrate or powder; not item-specific)

  • Concentrate (e.g., 10×): Bring to working strength with ultrapure water; mix gently to avoid foaming; verify pH and conductivity at working temperature.
  • Powder: Dissolve in ultrapure water to target volume; adjust pH with HCl to desired set point (for Tris-based buffers, calibrate at use temperature); add NaCl to specified molarity; add Triton last with gentle stirring to minimize foaming; q.s. to volume; filter if sterility required.

• Freeze–thaw

  • Generally unnecessary for aqueous buffers and may cause phase separation of detergents at low temperatures; avoid freezing unless validated.

• Shelf life

  • Specific shelf-life and QC release criteria are Not specified for this item; refer to CoA/Spec Sheet. Monitor for turbidity, precipitate, or odor as indicators of contamination or instability.

Structure & Identity

This catalog item is a formulated laboratory buffer system combining Tris base/Tris·HCl, sodium chloride (NaCl), and a nonionic surfactant of the Triton family for protein-related workflows.

• Item-specific facts (from Product Data)

  • Product name: Tris-Triton-NaCl buffer (mixture; exact composition and concentrations: Not specified for this item; refer to CoA/Spec Sheet.)
  • Storage condition: Room temperature
  • Research use only
  • No CAS, InChIKey, or SMILES provided for the mixture

• Components and structural features (literature/general information)

  • Tris (tris(hydroxymethyl)aminomethane): small alkanolamine buffering base; functional groups: primary amine and three alcohols; often paired with HCl to set pH 7–9.
  • NaCl: inorganic electrolyte contributing ionic strength; fully dissociated Na+ and Cl− in water.
  • Triton family surfactant (commonly Triton X-100/IGEPAL CA-630 class): nonionic poly(ethylene glycol)-p-tert-octylphenyl ether; amphiphilic structure forming micelles to solubilize membrane lipids and proteins.

• Typical identifiers for common components (literature; for reference only, not item specifications)

  • Tris: MF C4H11NO3; MW 121.14 g/mol; CAS 77-86-1
  • NaCl: MF NaCl; MW 58.44 g/mol; CAS 7647-14-5
  • Triton X-100: general formula C14H22O(C2H4O)n (n≈9–10); average MW ~625 g/mol; CAS 9002-93-1

• 2D structure description (components)

  • Tris: central carbon bearing three hydroxymethyl groups and a primary amine.
  • NaCl: ionic lattice; in solution, solvated ions.
  • Triton-type surfactant: aromatic tert-octylphenyl head linked to a polyethylene oxide chain (nonionic).

Synthetic Utility

This product is an aqueous biological buffer intended for protein and biochemical workflows; it is not typically used as a reagent in small-molecule organic synthesis.

• Limited roles in synthesis (general)

  • As a medium for biocatalysis: Tris–NaCl buffers can host enzyme-catalyzed reactions; nonionic detergents may aid substrate solubilization or stabilize enzymes at interfaces. Compatibility is enzyme- and detergent-dependent.
  • Sample workup: Detergent-containing buffers may assist in phase-transfer or emulsification during extraction of biomolecules, though they complicate downstream organic extractions and analytical characterization.

• Considerations

  • Detergents can foul chromatographic media and interfere with spectroscopic analysis (UV/Vis baseline drift, NMR suppression, MS ionization).
  • If small-molecule synthesis is intended, use defined organic/aqueous buffers without surfactants, or choose surfactants designed for micellar catalysis (e.g., TPGS-750-M) with literature-backed protocols.

Conclusion: For synthetic chemistry, this product has minimal direct utility; see Reaction & Applications and Buffer Applications tabs for its strengths in protein science.

Target Specificity

Not applicable. This product is a general-purpose buffer and does not have a biological target, antigen, clone, or species specificity. For target-specific reagents, see antibody or ligand products. Item-specific application testing data are Not specified for this item; refer to CoA/Spec Sheet.