APM Medium - BioReagent

Cat. No.: A1528780

GRADE & PURITY BioReagent

Storage

Room temperature

Shipped In

Normal

Overview

For pyrazinamidase activity test; dissolve in 0.2 M Tris-maleic acid solution.

Specifications

Specifications & Purity

BioReagent

Storage

Room temperature

Shipped In

Normal

Grade

BioReagent

Product Line

Biological Products

Application Protocols

Item-specific validated protocols: Not specified for this item; refer to product insert or CoA/Spec Sheet if available.

General/literature protocol for preparing culture medium (not item-specific)

1. Calculation and setup

• Determine the required final volume and the manufacturer’s recommended mass/concentration for the specific medium.
• Use sterile glassware or single-use sterile bottles; work in a clean environment (biosafety cabinet for sterile preparation).

2. Dissolution

• Add ~80–90% of the final volume of high-purity water to the vessel.
• Slowly add the medium while stirring to avoid clumping and localized high concentration.
• Mix until fully dissolved; avoid excessive foaming.

3. pH and volume adjustment

• Bring to final volume with water.
• Adjust pH if instructed by the manufacturer. For bicarbonate-buffered media, equilibrate with 5% CO2 before final pH verification.

4. Sterilization

• Sterile-filter through a 0.22 µm membrane into sterile containers. If the formulation is heat stable and instructions allow, autoclave accordingly.

5. Supplements and use

• Add sterile supplements (e.g., antibiotics, serum, growth factors) post-sterilization as required for your application.
• Label with contents, date, and lot.

6. Storage and shelf-life

• Unless otherwise specified, prepared media are commonly stored at 2–8°C, protected from light, and used within 4–8 weeks depending on composition (literature). Always defer to item-specific guidance when available.

Biological Roles

Item-specific facts (from Product Data)

• Category: Life Science reagent; medium formulation.
• Specific use cases/components: Not specified for this item; refer to CoA/Spec Sheet.

General/literature context for culture media (not item-specific)

• Function: Provide essential nutrients (carbon/nitrogen sources), minerals, vitamins, and buffering capacity to sustain cell or microbial growth and metabolism.
• Typical components: amino acids/peptides, carbohydrates (e.g., glucose), inorganic salts (e.g., Na+, K+, Ca2+, Mg2+, Cl−, PO4 3−, SO4 2−), trace elements, vitamins/cofactors, and sometimes growth factors or selective agents.
• Buffering and gas exchange: Bicarbonate/CO2 systems or zwitterionic buffers (e.g., HEPES) maintain physiological pH; redox poise may be adjusted with reducing agents for anaerobes or sensitive cell types.
• Selectivity: Media can be formulated to be rich/complex for broad growth or selective/differential to favor certain organisms or phenotypes. Without the APM Medium formulation, selectivity cannot be inferred for this item.
• Performance attributes to verify: pH upon reconstitution, osmolality, sterility/bioburden, and growth-promoting capacity with representative cell lines or organisms relevant to your workflow.

Buffer Applications

Item-specific facts (from Product Data)

• Specific buffering system/pH range: Not specified for this item; refer to CoA/Spec Sheet.

General/literature guidance (not item-specific)

• Many media incorporate bicarbonate/CO2 or organic buffers (e.g., HEPES, MOPS) to stabilize pH during incubation. Target pH commonly lies near neutrality for mammalian systems and spans organism-dependent ranges for microbes.
• Preparation tips:
  • Dissolve the dehydrated medium in high-purity water with gentle stirring; adjust to final volume and pH only after full dissolution.
  • If bicarbonate-buffered, pre-equilibrate the solution in 5% CO2 to achieve target pH. For non-CO2 incubators, HEPES-buffered variants are often preferred (literature).
  • Sterilize by 0.22 µm filtration for heat-labile formulations; autoclave only if all components are heat stable and per manufacturer guidance.
• Compatibility: Avoid adding strong acids/bases directly to concentrated components; instead, make dilute adjustments to prevent precipitation of phosphates/carbonates and to protect labile vitamins.

Green Alternatives

This section is not typically applicable to a culture medium because it is not used as a volatile organic solvent or hazardous reagent.

General sustainability considerations (literature; not item-specific)

• Choose powdered formats when feasible to reduce shipping mass/volume and carbon footprint.
• Prepare only the quantities needed to minimize waste; neutralize/autoclave biological waste prior to disposal per local regulations.
• Consider media that avoid animal-derived components when project goals allow (reduced ethical and supply-chain risks). Packaging recycling and responsible cold-chain avoidance (when specification permits room temperature storage, as here) also improve sustainability.

Pharmaceutical Uses

Not intended for clinical or therapeutic use. For research use only (as stated).

General/literature context (not item-specific)

• In pharmaceutical R&D and bioprocess development, media are used for cell line maintenance, upstream bioreactor runs, seed train expansion, or microbial fermentation to produce research materials. Media specifications for GMP manufacturing differ and require validated, audited suppliers and detailed quality documentation.
• Excipients: Culture media are not excipients; however, individual components (e.g., salts, amino acids) may be pharmacopeial-grade in other contexts. This product is BioReagent grade and not labeled to any pharmacopeial monograph.

Physical Properties

Item-specific facts (from Product Data)

• Appearance: Not specified for this item; refer to CoA/Spec Sheet.
• State: Not specified for this item; refer to CoA/Spec Sheet.
• pH (as supplied/at use): Not specified for this item; refer to CoA/Spec Sheet.
• Osmolality: Not specified for this item; refer to CoA/Spec Sheet.
• Solubility: Not specified for this item; refer to CoA/Spec Sheet.
• Density, refractive index, BP/MP, logP: Not applicable/Not specified for complex media; see CoA/Spec Sheet.

General/literature values (for culture media; not item-specific)

• Many dehydrated media are freely soluble in water at typical preparation concentrations (e.g., 10–60 g/L), yielding clear to slightly opalescent solutions after sterilization (literature).
• Typical pH of mammalian cell culture media ranges ~6.8–7.6 depending on CO2/bicarbonate buffering (literature). Microbial media often span pH 5.5–7.5 (literature).
• Osmolality often falls in the 260–340 mOsm/kg range for mammalian media (literature).

Notes

• Because APM Medium is a formulated mixture, single-compound physicochemical constants (boiling point, MW) are not meaningful. Use the specific CoA/specification for preparation mass, target pH, and osmolality.

Quality & Grades

Item-specific facts (from Product Data)

• Grade/Purity: BioReagent.

What BioReagent grade generally implies (literature; not item-specific)

• Intended for laboratory and research use, including biological and biochemical workflows.
• Typically controlled for parameters relevant to biological performance (e.g., low bioburden/endotoxin, component consistency), but exact limits and tests are product-specific.

Practical implications

• BioReagent media are formulated to deliver reliable performance in routine culture/biological assays. However, they are not certified for clinical/diagnostic use unless explicitly stated.
• For sensitive applications (e.g., mammalian cell culture, proteomics), review the product’s CoA/specification for: sterility status, endotoxin/bioburden limits, component tolerances, and pH/osmolality targets.
• Stabilizers/antioxidants: Not specified for this item; refer to CoA/Spec Sheet. Presence/absence of stabilizers (e.g., sodium bicarbonate, HEPES, reducing agents) can affect shelf life and performance.

Documentation

• Request the batch-specific CoA for quantitative specs and release tests. For regulatory filings, obtain a TSE/BSE statement and allergens/GMO declarations if applicable.

Reaction & Applications

Not applicable as a chemical reagent for organic synthesis.

General/literature note

• APM Medium, as a biological culture medium, is designed to support growth or maintenance of cells/microorganisms, not to act as a solvent or reagent for synthetic organic reactions. For biochemical assays, prepared medium can serve as the defined environmental matrix for culturing prior to downstream analytical steps.

Reaction Conditions

Not applicable for chemical reactions.

General/literature preparation conditions for media (not item-specific)

• Water quality: 18 MΩ·cm deionized water; low endotoxin for sensitive cultures.
• Temperature: Dissolve at ambient temperature with gentle stirring; warming (≤37°C) can aid dissolution of some components.
• Sterilization: 0.22 µm filtration for heat-labile mixtures; autoclave only if validated for the specific formulation. Cool to room temperature before adding heat-sensitive supplements (e.g., antibiotics, growth factors).
• Storage of prepared medium: Often 2–8°C protected from light; exact stability window depends on formulation (vitamins and reducing agents may degrade). For this item, specific stability is not provided—consult CoA/Spec Sheet.

Safety & Handling

Item-specific facts (from Product Data)

• GHS classification: Not specified for this item; refer to SDS.
• Signal word / H-statements / pictograms: Not specified for this item; refer to SDS.
• Storage conditions: Room temperature (as supplied). Avoid extreme temperatures and moisture ingress.

General guidance (literature; not item-specific)

• Many culture media components are of low acute toxicity but may cause irritation upon inhalation, ingestion, or skin/eye contact. Handle powders to minimize dust; use in a well-ventilated area or fume hood during weighing and dissolution.
• PPE: lab coat, safety glasses, and appropriate gloves (e.g., nitrile). Use respiratory protection if dust generation cannot be controlled.
• Incompatibilities: Strong oxidizing agents; store away from acids/bases if the medium contains pH-sensitive components, vitamins, or reducing agents.
• Hygiene measures: Avoid contact with skin, eyes, and clothing. Wash thoroughly after handling. Do not eat, drink, or smoke in work area.
• First aid overview: If inhaled, move to fresh air; if on skin, wash with soap and water; if in eyes, rinse cautiously with water for several minutes; if swallowed, rinse mouth—seek medical attention as needed. Always follow the SDS for definitive instructions.
• Microbiological risk: Prepared (hydrated) media support microbial growth—treat used/expired solutions as biohazardous; autoclave before disposal per institutional biosafety procedures.

Solvent Selection

Not typically applicable to a culture medium.

General/literature guidance (not item-specific)

• Solvent for preparation: sterile deionized water (cell culture grade or equivalent) is standard. Avoid tap water due to ions, organics, and microbial contamination.
• If the formulation requires bicarbonate buffering, equilibrate with controlled CO2 (e.g., 5%) during pH adjustment. If HEPES or other zwitterionic buffers are present, CO2 control may be less critical.
• Filtration sterilization (0.22 µm) or autoclaving may be appropriate depending on heat stability of components; follow item-specific instructions once available.

Storage & Reconstitution

Item-specific facts (from Product Data)

• Storage conditions (as supplied): Room temperature.
• Shipped: Normal (no special shipping conditions indicated).
• Reconstitution/Preparation details: Not specified for this item; refer to CoA/Spec Sheet.

General/literature guidance (not item-specific)

• Keep container tightly closed and protected from moisture and light. Desiccant use is recommended for dehydrated media.
• After reconstitution, store prepared medium typically at 2–8°C, protected from light. Avoid repeated warming/cooling cycles; aliquot if practical.
• Stability depends on formulation: vitamins, reducing agents, and some antibiotics degrade over days to weeks at 2–8°C. Prepare fresh as needed for critical experiments.
• Do not freeze media containing salts/proteins unless validated; freezing can precipitate components or denature proteins.
• Always label prepared solutions with lot number, preparation date, and added supplements.

Research use note

• For research use only. Not for human or animal therapeutic or diagnostic use.

Structure & Identity

Item-specific facts (from Product Data)

• Product type: APM Medium (life science reagent), complex multi-component formulation
• 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.
• InChIKey / SMILES: Not applicable for complex mixtures; not defined for this item.

General/literature context

• Culture media are typically mixtures of amino acids, vitamins, salts, carbon sources, trace elements, and buffering components. They are not single-entity chemicals; therefore single-structure identifiers (SMILES/InChI) do not apply.
• Structural features (conceptual): contains diverse functional groups typical of biomolecules (e.g., carboxylates, amines, phosphates); may include buffering agents (e.g., bicarbonate or organic zwitterions) and osmolytes.
• If a formulation sheet exists for APM Medium, consult it for precise component list and concentrations.

Synthetic Utility

Not applicable. APM Medium is not a building block or reagent for chemical synthesis.

General note

• If the medium is used upstream of analytical chemistry (e.g., metabolomics, media depletion studies), consider its matrix effects on downstream LC–MS/GC–MS, including salt load and presence of amines or buffers that may suppress ionization. Perform appropriate sample cleanup (e.g., SPE, protein precipitation, desalting) before analysis.

Target Specificity

Not applicable. This product is not an antibody, probe, or affinity reagent. No target/epitope, species reactivity, clone, or isotype information applies.