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Organic sulfuric acids and derivatives

Organic compounds that consist of sulfuric acid with organic functional group substitutions; includes compounds that are derived from organic sulfuric acids.

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1

Alkali Scientific Lithium Dodecyl Sulfate [LDS], 100 G

Lithium Dodecyl Sulfate (LDS) is a surfactant reagent commonly used for protein solubilization in biochemical and biophysical applications. The 100-gram volume of LDS is ideal for preparing solutions for SDS-PAGE and other protein analysis techniques. LDS functions similarly to sodium dodecyl sulfate (SDS), but with improved protein solubilization properties due to its unique lithium-based structure. This makes it particularly useful in applications where high solubility and consistent protein extraction are essential. LDS is widely used in the study of membrane proteins, as well as for denaturing proteins for electrophoretic analysis in laboratories.

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2

Alkali Scientific Lithium Dodecyl Sulfate [LDS], 1 Kg

Lithium Dodecyl Sulfate (LDS), supplied in a 1-kilogram volume, is a highly effective surfactant used in protein solubilization and denaturation applications. LDS is often used in biochemical research for preparing protein samples for SDS-PAGE, where it serves to break down protein structure and ensure that proteins are separated by molecular weight during electrophoresis. The 1kg volume provides a convenient bulk supply for laboratories conducting extensive protein analysis, particularly when preparing multiple sample buffers or performing large-scale protein studies. LDS is valued for its ability to maintain protein integrity and solubility while providing consistent, reproducible results in electrophoresis.

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3

Alkali Scientific 3 Indoxyl β D Glucoside [IBDG] [3 Indoxyl β D Glucopyranoside], 500 Mg

3-Indoxyl β-D-Glucoside (IBDG) is a sensitive chromogenic substrate used for detecting β-glucosidase activity in biochemical assays. This reagent produces a distinctive indigo color when hydrolyzed by β-glucosidase, providing a visual indicator of enzyme activity. The 500mg quantity is ideal for larger experiments, high-throughput screening, or long-term studies. IBDG is widely used in microbiology and molecular biology for monitoring enzyme activity, conducting reporter assays, and studying gene expression systems. It offers an easy-to-use, reliable method for detecting β-glucosidase activity in cultured cells, bacterial colonies, and other biological samples.

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4

Alkali Scientific 3 Indoxyl β D Glucoside [IBDG] [3 Indoxyl β D Glucopyranoside], 10 G

3-Indoxyl β-D-Glucoside (IBDG) is a highly sensitive chromogenic substrate used for the detection of β-glucosidase activity in biochemical assays. The hydrolysis of IBDG by β-glucosidase results in the production of an indigo-colored compound, providing a visual indicator of enzyme activity. The 10g quantity is ideal for large-scale experiments or long-term studies. IBDG is commonly used in molecular biology, microbiology, and biochemical research to detect and quantify β-glucosidase activity in various organisms and samples. This reagent offers a convenient, easy-to-interpret method for screening enzyme activity, studying gene expression systems, and analyzing enzymatic reactions in a wide range of applications.

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5

Alkali Scientific Lithium Dodecyl Sulfate [LDS], 25 G

Lithium Dodecyl Sulfate (LDS) in a 25-gram volume is a surfactant reagent used for protein solubilization in molecular biology and biochemistry. LDS is often used in protocols requiring the denaturation of proteins, such as SDS-PAGE, where it helps to break down the disulfide bonds in proteins, allowing them to be separated by size. This reagent is ideal for small-scale experiments and protein extraction procedures, where precise amounts of LDS are required for protein solubilization and electrophoresis. LDS is a preferred surfactant for studies involving membrane proteins, ensuring that they remain soluble without interfering with downstream applications.

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6

Alkali Scientific 3 Indoxyl β D Glucoside [IBDG] [3 Indoxyl β D Glucopyranoside], 100 Mg

3-Indoxyl β-D-Glucoside (IBDG) is a chromogenic substrate used for the detection of β-glucosidase activity in biochemical assays. Upon hydrolysis by β-glucosidase, the substrate produces an indigo-colored product, which is useful for visualizing enzyme activity in bacterial colonies or cell cultures. The 100mg format is ideal for smaller-scale applications and routine laboratory experiments. IBDG is widely used in molecular biology, microbiology, and genetic research to monitor gene expression, screen for β-glucosidase activity, and study enzyme function. This reagent offers a clear, colorimetric result that is easy to interpret, providing researchers with an efficient tool for enzyme assays and gene function analysis.

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7

Alkali Scientific Colistin Sulfate, 10 Grams

Colistin Sulfate (10g) is an antibiotic that is used to treat infections caused by multidrug-resistant Gram-negative bacteria, especially those resistant to other antibiotics. This powder form is specifically prepared for antibacterial use and works by disrupting the bacterial cell membrane. Colistin is especially effective against pathogens such as Pseudomonas aeruginosa and Acinetobacter species. In clinical settings, it is often reserved for severe infections caused by resistant organisms. This 10g quantity is useful for preparing solutions in laboratory experiments, research, and as part of clinical treatment protocols for severe infections caused by resistant bacterial strains.

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8

Alkali Scientific 4 Methylumbelliferyl β D Galactopyranoside 6 Sulfate, Sodium Salt, 50 Mg

Methylumbelliferyl β-D Galactopyranoside 6-Sulfate, Sodium Salt, 50 mg is a biochemical reagent used in enzymatic analysis. It contains methylumbelliferyl galactopyranoside sulfate, a fluorogenic substrate for studying β-galactosidase activity. When the enzyme hydrolyzes the substrate, it produces a fluorescent product that can be measured, making it valuable for research in enzyme kinetics, cell biology, and diagnostic applications. This compound is particularly useful in the study of enzyme-mediated reactions and is widely used in laboratory settings for applications including microbial assays and genetic research, where sensitive and rapid detection is necessary.

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9

Alkali Scientific 3 Indoxyl β D Glucoside [IBDG] [3 Indoxyl β D Glucopyranoside], 1 G

3-Indoxyl β-D-Glucoside (IBDG) is a chromogenic substrate used for the detection of β-glucosidase activity in biochemical assays. When β-glucosidase hydrolyzes IBDG, an indigo-colored product is produced, which serves as a visible marker for enzyme activity. The 1g format offers a larger amount of reagent suitable for high-throughput applications or larger-scale experiments. IBDG is commonly used in molecular biology, microbiology, and enzyme research for monitoring gene expression, screening for β-glucosidase activity, and studying the regulation of metabolic pathways involving glucosidases. The colorimetric result makes it ideal for a variety of assays requiring visual confirmation of enzyme activity.

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10

Alkali Scientific Lithium Dodecyl Sulfate [LDS], 500 G

Lithium Dodecyl Sulfate (LDS) in a 500-gram volume is a versatile surfactant used primarily for protein solubilization in biochemical and molecular research. It is commonly used in protein analysis methods like SDS-PAGE, where it ensures that proteins are denatured and linearized, facilitating accurate molecular weight separation. The 500-gram package provides an economical and convenient supply for laboratories that perform large-scale protein studies or require frequent buffer preparation. LDS is especially beneficial for isolating membrane proteins and for use in experiments where high solubilization efficiency and low molecular interference are crucial for accurate results.

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11

Alkali Scientific Polymixin B Sulfate, 100 G

Polymyxin B Sulfate, 100g is a bulk laboratory-grade antibiotic commonly used in research to study bacterial resistance and the mechanisms of antimicrobial agents. Polymyxin B works by disrupting the cell membrane of Gram-negative bacteria, making it useful for studying bacterial cell wall structure, infection control, and antibiotic efficacy. The 100g quantity is designed for large-scale studies or laboratories requiring significant amounts of this antibiotic for ongoing research. It is widely used in microbiological laboratories for antimicrobial susceptibility testing, bacterial culture preparation, and the development of new antibiotics aimed at combating resistant bacterial strains.

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12

Alkali Scientific Polymixin B Sulfate, 1 G

Polymyxin B Sulfate, 1g is a laboratory-grade antibiotic used for research purposes, particularly in the study of bacterial cell wall synthesis and antimicrobial resistance. It is effective against a wide range of Gram-negative bacteria and is commonly used in studies involving bacterial infections, cell membrane disruption, and the development of new antibiotics. This product is primarily intended for use in microbiological and pharmaceutical research and is not for human consumption. The 1g quantity is sufficient for small to medium-scale experiments, making it ideal for researchers working on antimicrobial resistance, antibiotic testing, and the development of novel therapeutic agents.

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13

Alkali Scientific Polymixin B Sulfate, 5 G

Polymyxin B sulfate is a powerful antibiotic in powder form, commonly used for treating gram-negative bacterial infections. It is primarily used in research settings to study antibacterial activity and to test antimicrobial efficacy. In this 5 g format, Polymyxin B sulfate is often utilized in microbiology laboratories for susceptibility testing, particularly against bacterial strains resistant to other antibiotics. The compound has a potent mechanism of action that disrupts bacterial cell membranes, making it effective against a variety of resistant pathogens. Researchers use it for evaluating bacterial resistance patterns and its effects on cell cultures. It is also used to create antibiotic solutions for further applications in clinical and laboratory settings.

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14

Alkali Scientific Lauryl Tryptose Broth, 500 G

Lauryl Tryptose Broth is a microbiological growth medium used for laboratory testing, particularly in the identification and analysis of bacteria. It is available in a 500g pack and is commonly used for the cultivation of microorganisms, including those involved in food safety and clinical studies. The broth is designed for selective enrichment and isolation of bacteria from various environmental samples, ensuring accurate and reliable results.

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15

Medchemexpress LLC Dextran sulfate sodi 5g | 9011-18-1 | 450,000-550,000 | H2O4S.xNa.x | 5 G
SDP

Dextran sulfate sodium salt (MW 450,000-550,000) is a high-molecular-weight, sulfated dextran supplied as a white to off-white powder for laboratory research applications. It is used in biomedical studies (for example, induction of colitis in animal models), antiviral and anticoagulant assays, and materials research where sulfated polysaccharides are required.

  • White to off-white solid powder.
  • Molecular weight range 450,000-550,000.
  • Useful for induction of colitis models and antiviral research.
  • Analytical profile: water 6.2%, total sulfur 17.8%, free alkali ≤0.2%.
  • Available in small research pack sizes such as 5 G.

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