Acetamide Liquid Medium - BioReagent

Cat. No.: A1528427

GRAU & PUREZA BioReagent

Storage

Room temperature

Shipped In

Normal

Visão geral

For ammonia production test of Pseudomonas aeruginosa.

Especificações

Especificações e pureza

BioReagent

Condições de armazenamento de armazenamento

Room temperature

Enviado em

Normal

Grau

BioReagent

Product Line

Produtos biológicos

Application Protocols

Tested applications, recommended dilutions, or validated protocols are not specified for this item; refer to CoA/Spec Sheet. For general methodological guidance, consult microbiology literature on acetamide utilization assays and adapt under your lab’s SOPs.

Biological Roles

This medium supports research on microbial metabolism of acetamide as a carbon and/or nitrogen source (literature context):

• Metabolic pathway: Many bacteria express amidases/acylamidases that hydrolyze acetamide to acetate and ammonia. Acetate enters central carbon metabolism (e.g., acetyl-CoA), while ammonia contributes to nitrogen assimilation via glutamine synthetase/glutamate synthase pathways.
• Regulation: Amidase expression is often inducible and can be repressed by preferred nitrogen sources (e.g., ammonium). Using acetamide as the principal nutrient can probe catabolite repression and nitrogen regulation circuits.
• Phenotypic differentiation: Ability or inability to utilize acetamide distinguishes strains at the level of metabolic capability, aiding research classification and pathway mapping without implying diagnostic use.
• Systems biology: Controlled acetamide feeding allows interrogation of nitrogen flux, acid–base balance, and respiratory activity under defined conditions.

Scope notes:

• The specific presence of pH indicators, buffers, or salts in this product is not specified; if pH-shift readouts or ionic composition are critical, consult the CoA or conduct analytical verification.
• For eukaryotic cells or mammalian culture, acetamide is generally not a standard nutrient; this medium is intended for microbial research rather than cell culture media.

Buffer Applications

This product is a nutrient medium rather than a dedicated buffer system. Buffer preparation guidance (pH range, capacity, recipes) is therefore not directly applicable.

• If your assay requires a defined buffering capacity or specific pH, verify the formulation on the CoA/Spec Sheet or adjust pH with sterile techniques post-receipt, validating that such adjustments do not compromise the intended metabolic readout.

Green Alternatives

Green chemistry considerations are modestly applicable because this is an aqueous, low-VOC liquid medium rather than an organic solvent or volatile reagent.

• Strengths (sustainability):
  • Water-based matrix reduces flammability, VOC emissions, and solvent waste.
  • Typically used at ambient pressure/temperature, lowering energy demands compared to high-temperature processes.
• Considerations:
  • Downstream waste from inoculated media is biohazardous and must be autoclaved or chemically disinfected before disposal, which adds energy/chemical inputs.
  • If preservatives are present (not specified here), assess their environmental fate and ensure compliant disposal.

Comparison (general):

• Acetamide media vs solvent-intensive metabolic assays: Aqueous culture media avoid organic extraction steps, lowering hazardous waste generation, but produce biological waste requiring sterilization.

Greener practice tips:

• Right-size culture volumes to minimize waste.
• Use reusable glassware where practical and validated.
• Combine sterilization cycles to optimize autoclave energy usage.
• Segregate uninoculated from inoculated waste to avoid unnecessary biohazard processing.

Pharmaceutical Uses

This product is intended for research use only and is not an excipient or GMP-qualified component for pharmaceutical manufacture.

• Pharmacopeial status, compendial compliance, and excipient functions: Not specified for this item; refer to CoA/Spec Sheet if pursuing feasibility studies. Any use in regulated environments would require independent qualification and validation.
• Typical role (research context): Aqueous nutrient medium to study microbial metabolism; not designed for formulation or processing of drug products.

Physical Properties

Item-specific physico-chemical specifications for this formulated liquid medium are not provided.

• Appearance: Not specified for this item; refer to CoA/Spec Sheet.
• pH, osmolality, conductivity, viscosity: Not specified for this item; refer to CoA/Spec Sheet.
• Density, refractive index, boiling point, freezing point: Not specified for this item; refer to CoA/Spec Sheet.
• Solubility: Aqueous medium; intended for direct use as supplied. Component acetamide is highly water-soluble (literature), but mixture-level solubility parameters are not specified.

Literature properties (component-level: acetamide) — for context only, not item specifications:

• State: typically solid at ambient conditions; highly water-miscible; readily dissolves in polar solvents.
• Melting point: ~79–81 °C (literature).
• Boiling point: ~221 °C (literature; decomposition possible at elevated temps).
• LogP (o/w): negative (high hydrophilicity; literature reports around −1 to −1.3).

Notes for users:

• Because this is a ready-to-use liquid medium, handle as an aqueous solution. If critical parameters (e.g., pH or ionic strength) are important to your organism or assay, verify on receipt or consult the CoA for batch-specific values.

Quality and Grades

• Grade: BioReagent — typically denotes suitability for life-science and biochemical workflows where low bioburden, consistency, and trace impurity control are important for biological performance. It does not imply clinical/diagnostic qualification.
• Intended use: Research use only (as stated). Not for human or veterinary use.
• Specifications unique to this item (e.g., pH range, sterility status, microbial limits, UV absorbance, component concentrations): Not specified for this item; refer to CoA/Spec Sheet.
• Stabilizers/preservatives: Not specified for this item; refer to CoA/Spec Sheet. If present, preservatives may influence growth of sensitive organisms—validate suitability for your application.
• Lot-to-lot consistency: For media-based products, users should confirm critical performance attributes (e.g., growth promotion with control strains) upon receipt. Retain CoA for traceability.
• Shipping/handling: Shipped under normal conditions as provided. Any cold-chain or light-protection requirements would be stated on the CoA/label if applicable.

Practical guidance:

• If your workflow requires defined composition, request a detailed specification. For QC, consider incoming tests such as pH verification, sterility (if claimed), and a small-scale growth test with a known acetamide-utilizing strain.

Reaction and Applications

In laboratory practice, acetamide liquid medium is used for microbiological and biochemical applications, not for chemical synthesis.

Research applications (literature context):

• Selection/enrichment of organisms capable of acetamide utilization via acylamidase/alamidase activity, hydrolyzing acetamide to acetate and ammonia. The liberated ammonia can alkalinize the medium in indicator-containing formulations (if present), providing a metabolic readout.
• Differentiation/characterization of environmental or research strains based on nitrogen assimilation and carbon-source specificity.
• Gene expression studies of amidase pathways and regulation under nitrogen/carbon limitation.
• Quantitative assays of acetamide uptake and hydrolysis by measuring ammonia, acetate, or pH drift (with appropriate controls).

Practical tips:

• Use aseptic technique throughout to prevent confounding growth.
• Include positive controls (a known acetamide-utilizing strain) and negative controls (non-utilizing strain) to benchmark performance.
• If you require colorimetric readout, verify whether the specific lot contains a pH indicator; this is not specified here and should be confirmed on the CoA/label.
• Document inoculum size, incubation temperature, aeration, and duration to ensure reproducibility.

Note: No medical or diagnostic claims are made. This product is intended solely for research use.

Reaction Conditions

While not a chemical reaction reagent, the medium’s performance depends on culture conditions. The following are literature-based general guidelines for acetamide-utilization assays and should be adapted to your organism and compliance requirements. These are not product specifications.

• Inoculum: Start from a fresh, pure culture. Standardize inoculum density (e.g., OD600 ~0.05–0.1 for liquid assays) to ensure comparability.
• Temperature: Many environmental bacteria grow at 25–30 °C; mesophilic strains (including numerous pseudomonads) often at 30–37 °C (literature). Choose the organism’s optimal range.
• Aeration: Provide aerobic conditions (e.g., baffled flasks at 150–250 rpm or vented caps) to support oxidative metabolism of acetate.
• Duration: Monitor growth and metabolic readouts over 24–48 h, extending as needed for slower growers.
• Controls: Include media blanks, negative control strains (non-acetamide utilizers), and positive controls to establish baseline and confirm selectivity.
• Readouts: Measure OD600, pH drift, ammonia (e.g., Nesslerization or enzymatic assays), or acetate/consumption by HPLC/IC as appropriate.
• Sterility: If sterility is required at point of use and not guaranteed by the product, employ 0.22 μm filtration under aseptic conditions; validate that filtration does not remove essential components.

Always verify any critical parameter (pH, composition, sterility) on the CoA/Spec Sheet for your lot.

Safety and Handling

GHS classification and hazard statements for this specific formulated medium are not provided in the product data.

• GHS/Signal word/Pictograms/H-statements: Not specified for this item; refer to SDS.
• General laboratory PPE: lab coat, safety glasses, and appropriate chemical-resistant gloves. Avoid ingestion and inhalation of aerosols; use good microbiological practices to minimize contamination.
• Microbiological considerations: This product is intended to support microbial growth. After inoculation, handle cultures as biohazardous material appropriate to the risk group of the organism(s). Employ aseptic technique and work in a biological safety cabinet as required by your institution’s biosafety program.
• Storage incompatibilities: As an aqueous medium, avoid contamination and do not mix with incompatible chemicals (strong oxidizers or reactive dehydrating agents). Keep container tightly closed.
• Thermal/processing notes: Do not autoclave the sealed retail container unless the label explicitly permits it; heating formulated media may alter composition (e.g., component degradation). If sterilization/filtration is required for experimental reasons, validate impact on performance.
• First aid (overview; defer to SDS): Rinse skin/eyes with water upon contact. If inhaled as aerosol, move to fresh air. If ingested, rinse mouth; seek medical advice as needed.
• Waste: Dispose according to local regulations; treat inoculated media as biohazardous waste.

Solvent Selection

This product is an aqueous liquid medium, not a solvent for synthetic chemistry. Solvent-selection guidance is therefore not typically applicable.

• Polarity/miscibility: The matrix is water-based and fully miscible with water. If additives or supplements are introduced, ensure their aqueous solubility or use compatible sterile stock solutions (e.g., filter-sterilized aqueous concentrates) to avoid precipitation or turbidity.
• When to choose: Select this medium when you require an acetamide-based nutrient system to study organisms that can utilize acetamide as a carbon/nitrogen source. For other metabolic assays, use the corresponding specific media.
• Alternatives: If you need different carbon sources (e.g., citrate, glucose), choose media formulated for those substrates to maintain selectivity and interpretability of metabolic tests.

Storage and Reconstitution

• Storage conditions (from product data): Room temperature. Protect from contamination; keep container tightly closed. If label indicates light sensitivity or alternative storage, follow the package instructions.
• Shipped: Normal conditions (from product data).
• Reconstitution: Not applicable — this is a liquid medium ready for use.
• Freeze–thaw: Unless explicitly recommended on the label/CoA, avoid repeated freeze–thaw cycles; they may precipitate components or alter performance.
• Shelf life/stability: Not specified for this item; refer to CoA/Spec Sheet. Inspect for turbidity, precipitation, color change, or container swelling before use; these may indicate contamination or degradation.
• Aseptic handling: Disinfect exterior packaging before entry into sterile areas as required. Use sterile techniques for sampling and aliquoting. Consider single-use sterile aliquots to minimize repeated container openings.

Research use only: This product is intended exclusively for laboratory research. Consult the SDS for safety information and the CoA/Spec Sheet for lot-specific quality attributes.

Structure and Identity

This product is a formulated microbiology medium in liquid form with acetamide as the defining nutrient component. It is a mixture, not a single defined compound.

• Item type: Liquid culture medium (mixture); acetamide is the principal carbon/nitrogen source (literature context).
• SKU: A1528427; Grade: BioReagent.
• CAS, CID, InChIKey, SMILES: Not specified for this item; refer to CoA/Spec Sheet. (As a formulated medium, a single-structure identifier is generally not applicable.)
• Molecular formula / Molecular weight (of the mixture): Not specified for this item; refer to CoA/Spec Sheet.
• Structural features (descriptive): The medium is an aqueous solution; acetamide component contains an amide functional group (–CONH2) capable of enzymatic hydrolysis to acetate and ammonia (literature). Any salts, buffers, or indicators that may be present are not specified in the product data.

Literature note (component-level):

• Acetamide (component) formula: C2H5NO; MW: 59.07 g/mol (literature). It is a small, polar amide lacking stereocenters; in 2D, the carbonyl carbon is bonded to a methyl group and the carbonyl oxygen (C=O), with an adjacent –NH2 group.

Synthetic Utility

Not typically applicable. This is a microbiological medium, not a building block or reagent for chemical synthesis.

• If your project involves biotransformations using microorganisms grown in this medium, consult biocatalysis literature for downstream workup and product isolation compatible with aqueous matrices.

Target Specificity

Not applicable. This product is not an antibody or affinity reagent, and no target-binding specificity is defined in the product data.