Carbohydrates
![Alkali Scientific [ONPG] 2 Nitrophenyl β D Galactopyranoside, 1 Gram](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000661049.jpg-250.jpg)
Alkali Scientific [ONPG] 2 Nitrophenyl β D Galactopyranoside, 1 Gram
2-Nitrophenyl β-D-galactopyranoside is a reagent supplied in a 1g quantity, used in enzymatic assays to study the activity of β-galactosidase. This compound serves as a substrate for the hydrolysis of the β-galactosidic bond, a key reaction catalyzed by β-galactosidase. The reagent is commonly used in research on enzyme kinetics, carbohydrate metabolism, and the role of β-galactosidase in the breakdown of lactose and other galactose-containing compounds. This substrate is particularly useful in diagnostic assays and biochemical studies focusing on enzyme activity and substrate specificity, providing valuable insights into glycosidic bond cleavage.
Alkali Scientific p Nitrophenyl β D Galactopyranoside, 50 G
p-Nitrophenyl β-D Galactopyranoside, 50g, is a highly concentrated reagent used for studying β-galactosidase activity in biochemical assays. This compound serves as a substrate in enzymatic reactions where β-galactosidase cleaves the β-galactoside bond to release a yellow-colored product. This colorimetric assay is commonly employed in molecular biology, microbiology, and gene expression studies to monitor enzyme activity. It is an essential reagent for researchers working with bacterial cultures, genetic modifications, and enzymatic processes, offering an easy-to-use and reliable method for enzyme analysis. The 50g quantity ensures ample material for large-scale experiments and routine laboratory procedures.
Medchemexpress LLC Interleukin-18 receptor accessory protein (IL-18R beta) | 100 UG
Recombinant human interleukin-18 receptor accessory protein (IL-18R beta/IL-1R7) expressed in HEK293 cells and fused to an Fc tag. Supplied as a purified protein for in vitro research applications including receptor binding studies, signaling assays, and antibody validation.
- Fc-tagged human protein expressed in HEK293 cells.
- Suitable for receptor binding and signaling assays.
- Purified recombinant protein for in vitro research use.
- Accession O95256-1 and gene ID 8807 provide sequence reference.
- Supplied as a 100 μg quantity for laboratory assays.
Medchemexpress LLC Methyl B-D-glucopyra 25g | 709-50-2 | 194.18 g/mol | C7H14O6 | 25 G
Methyl β-D-glucopyranoside is the methyl glycoside derivative of D-glucose supplied as a white to off-white solid and used as an analytical reference standard and substrate in glycoscience and enzymatic synthesis research. The compound has molecular formula C7H14O6, molecular weight 194.18 g/mol, and is typically supplied at 99.91% purity.
- High purity (99.91% by HPLC) suitable for analytical use.
- White to off-white solid, easy to weigh and dissolve.
- Stable when stored sealed at 4°C away from moisture.
- Used as a substrate in glycoscience and enzymatic assays.
- Available in common lab pack sizes, including 25 g.
Apexbio Technology LLC Beta-Amyloid (1-11) 190436-05-6 1mg
Beta-Amyloid (1-11) (CAS 190436-05-6) is a synthetic peptide fragment derived from the N-terminus of the amyloid precursor protein comprising the amino acid sequence H-Asp-Ala-Glu-Phe-Arg-His-Asp-Ser-Gly-Tyr-Glu-OH This peptide represents a portion of the beta-amyloid (A ) sequence implicated in amyloidogenic pathways associated with neurodegenerative processes particularly Alzheimer s disease Beta-Amyloid (1-11) is utilized in research to investigate amyloid aggregation dynamics immunogenic epitope mapping within the A region and the biochemical properties of amyloidogenic peptides It serves as a molecular tool in studies examining the early stages of A processing clearance and interactions with cellular components
Alkali Scientific p Nitrophenyl β D fucopyranoside, 100 Mg
p Nitrophenyl β-D fucopyranoside is a biochemical reagent used in carbohydrate and enzyme studies, particularly in glycoside hydrolase assays. This 100 mg reagent is specifically designed for use in experiments that require a chromogenic substrate for β-D-fucosidases. Upon hydrolysis by the appropriate enzyme, the nitrophenyl group releases a yellow color, making it easy to measure enzyme activity. This reagent is often used in the study of glycosylation patterns and enzymatic catalysis related to fucose-containing glycoproteins. It is suitable for high-throughput screening and biochemical analysis in various research fields, including molecular biology and carbohydrate chemistry.
Medchemexpress LLC Laminin beta 1 Antibody (YA312) | Predicted band size: 198 kDa; Observed band size: 250 kDa | 50 UL
This product is a laboratory chemical intended for the manufacture of substances and is for research use only. It appears as a liquid with no odor. The product is stable under recommended storage conditions, though it has not been fully validated for medical applications.
Alkali Scientific 2 Nitrophenyl β D Glucopyranoside, 1 G
2-Nitrophenyl β-D Glucopyranoside, 1g, is a biochemical reagent used to study β-glucosidase activity through colorimetric assays. When β-glucosidase cleaves the β-glucopyranoside bond, a yellow-colored product is released, providing a visual indication of enzyme activity. This reagent is essential in research focusing on carbohydrate metabolism, enzyme kinetics, and genetic studies. The 1g size is ideal for smaller-scale experiments and testing in laboratory settings. It is frequently used in microbiology and molecular biology research to monitor enzyme reactions and as a tool for investigating enzyme-substrate interactions, offering a reliable and convenient method for enzyme activity measurement.
Alkali Scientific p Nitrophenyl a L fucopyranoside, 100 Mg
p-Nitrophenyl α-L-fucopyranoside is a chemical reagent commonly used in carbohydrate analysis. This 100 mg quantity is provided in powder form and is widely used in enzymatic assays, especially for studying enzymes involved in glycosidic bond cleavage. The product serves as a substrate in assays for enzymes like α-L-fucosidase. The compound is highly stable under standard laboratory conditions and is used in biochemical research to investigate fucose metabolism and related glycosidase activities. This reagent is essential for assays that require a reliable source of α-L-fucose for enzymatic testing.
Medchemexpress LLC DNA polymerase beta Protein, Human (His) | 100 UG
DNA polymerase beta Protein, Human (His) is a DNA repair enzyme crucial for maintaining genomic integrity. It plays a vital role in base excision repair (BER), a fundamental pathway essential for DNA maintenance, replication, recombination, and drug resistance. This protein belongs to the DNA polymerase type-X family and is involved in multiple DNA repair mechanisms.
- Involved in various types of DNA repair mechanisms
- Performs base excision repair (BER)
- Essential for DNA maintenance, replication, recombination, and drug resistance
- Belongs to the DNA polymerase type-X family
- Composed of an 8-kDa domain and a 31-kDa domain
- Also involved in Nucleotide Excision Repair (NER), Mismatch Repair (MMR), and Double Strand Break Repair (DSBR)
- Species: Human
- Source: E. coli
- Purity: ≥ 95%
Medchemexpress LLC SDF-1 beta/CXCL12 H 2ug
SDF-1 beta (Stromal-derived factor-1 SDF-1 ) is a stromal derived CXC chemokine that signal through the CXCR4 receptor SDF-1 has chemotactic activity on B and T cells[1][2] SDF-1 beta/CXCL12 Protein Human (72a a) is produced in E coli and consists of 72 amino acids (K22-M93)
Medchemexpress LLC IL-12 beta Human H 2ug
IL-12 beta Protein also known as natural killer cell stimulatory factor 2 is a common subunit (p40) of IL-12 and IL-23 IL-12 is a inflammatory factor expressed by activated macrophages and involves in Th1-type immune response against cancer[1] IL-12 beta Protein located outside the cell membrane involves in singalling mediated by Jak-STAT[3] IL-12 beta Protein consists of 328 amino acids (M1-S328) with a fibronectin type-III domain (237-328 a a) IL-12 beta Protein Human (M1-S328) is produced in HEK293 cells with a C-Terminal Fc-tag
Medchemexpress LLC Peonidin-3-O-galactoside chloride | 28148-89-2 | 97.1% | 498.86 | 1 MG
Peonidin-3-O-galactoside chloride is an anthocyanin with antioxidant properties. It is intended for research use only.
- Anthocyanin compound
- Possesses antioxidant properties
- For research use only
Medchemexpress LLC SIRP beta 1 Human 500ug
Recombinant human SIRPβ1 comprising the extracellular region (E30-E362), expressed in HEK293 cells and purified with a C-terminal 6xHis tag. The protein is supplied lyophilized from PBS (pH 7.4), has >95% purity by reducing SDS-PAGE, and a reported molecular weight of 45-55 kDa. It is intended for research use in binding assays and functional ELISA (reported ED50 = 6753 ng/mL); store frozen and aliquot for long-term stability.
- Expressed in HEK293 cells for mammalian glycosylation.
- C-terminal 6xHis tag for affinity purification and detection.
- High purity (>95%) as determined by reducing SDS-PAGE.
- Lyophilized from 0.22 μm filtered PBS, pH 7.4, for stability.
- Reported molecular weight 45-55 kDa.
- Validated in functional binding ELISA (ED50 = 6753 ng/mL).
- Recommended storage: freeze aliquots at -20°C or -80°C for extended storage.
Medchemexpress LLC Beta Actin (Fruit Fly) Antibody | 10 UL
Beta Actin (Fruit Fly) Antibody is a non-conjugated and Rabbit origined IgG polyclonal antibody, targeting to Beta Actin (Fruit Fly). It can be used as a loading control antibody.
- Actins are highly conserved proteins that are involved in various types of cell motility and are ubiquitously expressed in all eukaryotic cells.
- Multiple isoforms are involved in various cellular functions such as cytoskeleton structure, cell mobility, chromosome movement and muscle contraction.
- Subcellular Localization: Cytoplasm, cytoskeleton.
- Subunit: Interacts with Rab6.