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Sigma


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α-Methyl-<SC>DL</SC>-tryptophan crystalline Sigma M8377

α-Methyl-DL-tryptophan crystalline Sigma M8377

Biochem/physiol Actions α-methyl-DL-tryptophan is a blocker of ATBo, an amino acid transporter whose expression is upregulated in cancer. ..

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α-Methyl-<SC>DL</SC>-tyrosine methyl ester hydrochloride ≥98% (HPLC) Sigma M3281

α-Methyl-DL-tyrosine methyl ester hydrochloride ≥98% (HPLC) Sigma M3281

Biochem/physiol Actions Tyrosine hydroxylase inhibitor. Packaging 1, 5 g in poly bottle ..

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α-Methylnorepinephrine ≥95% (HPLC) Sigma SML0675

α-Methylnorepinephrine ≥95% (HPLC) Sigma SML0675

Biochem/physiol Actions α-Methylnorepinephrine is a sympathomimetic amine and vasoconstrictor. α-Methylnorepinephrine is used clinically in dentistry in local anesthetic solutions. ..

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α-Methylserotonin maleate salt ≥98% (HPLC) Sigma M110

α-Methylserotonin maleate salt ≥98% (HPLC) Sigma M110

Biochem/physiol Actions 5-HT2 serotonin receptor agonist. Features and Benefits This compound is also offered as part of Sigma&#..

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α-Naphthyl Acetate (Non-Specific Esterase) Kit formulated with all liquid reagents. Sigma 91A

α-Naphthyl Acetate (Non-Specific Esterase) Kit formulated with all liquid reagents. Sigma 91A

Application Esterases are ubiquitous in nature and encompass a series of different enzymes acting upon select substrates. According to the methodology, α-naphthyl acetate is enzymatically hydrolyzed, liberating a f..

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α-Naphthyl Acetate (Non-Specific Esterase) Select reagents packaged in gelatin capsules. Sigma 90A1

α-Naphthyl Acetate (Non-Specific Esterase) Select reagents packaged in gelatin capsules. Sigma 90A1

Application Esterases are ubiquitous in nature and encompass a series of different enzymes acting upon select substrates. According to the methodology, α-naphthyl acetate is enzymatically hydrolyzed, liberating a f..

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α-Naphthyl Butyrate Esterase, Lymphocyte Sigma 181B

α-Naphthyl Butyrate Esterase, Lymphocyte Sigma 181B

Diagnostic Implications Demonstration of lymphocyte staining patterns may indicate specific stages of maturation arrest associated with certain lymphoproliferative disorders. Gene..

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α-Naphthyl Butyrate solution Sigma 1801

α-Naphthyl Butyrate solution Sigma 1801

Application Intended for use in the Sigma α-Butyrate Esterase kit, procedure 181B Packaging 2.4g/L alpha-naphthyl butyrate..

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α-Nicotinamide adenine dinucleotide from <I>Saccharomyces cerevisiae</I>, <1% β-isomer, ≥95% Sigma N6754

α-Nicotinamide adenine dinucleotide from Saccharomyces cerevisiae, <1% β-isomer, ≥95% Sigma N6754

Caution This is not the common NAD required in the usual enzyme systems. Other Notes α analog of β-NAD ..

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α-Nicotinamide adenine dinucleotide, reduced disodium salt ≥90% Sigma N6879

α-Nicotinamide adenine dinucleotide, reduced disodium salt ≥90% Sigma N6879

Caution This is not the common NADH required in the usual enzyme systems. Other Notes Analog of β-NADH, chemically reduced ..

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α-Phenyl tropolone ≥98% (HPLC) Sigma SML0920

α-Phenyl tropolone ≥98% (HPLC) Sigma SML0920

Biochem/physiol Actions α-Phenyl tropolone is a very potent inhibitor of the hisotne deacetylases HDAC2 and HDAC8 (Ki = 0.26 and 1.09 nM, respectively). The compound, α-Phenyl tropolone, does not affect other ..

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α-Pompilidotoxin >98% Sigma P6237

α-Pompilidotoxin >98% Sigma P6237

Amino Acid Sequence Arg-Ile-Lys-Ile-Gly-Leu-Phe-Asp-Gln-Leu-Ser-Lys-Leu Biochem/physiol Actions Voltage-gated sodium channel act..

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α-Thymidine Sigma T3763

α-Thymidine Sigma T3763

Other Notes Unnatural epimer Packaging 1 g in poly bottle 100 mg in poly..

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α5IA ≥98% (HPLC) Sigma A2734

α5IA ≥98% (HPLC) Sigma A2734

Biochem/physiol Actions α5IA is a selective inverse agonist for Α5 subtype of GABAA receptor with a higher intrinsic activity at the A5 subtype than other drugs. α5IA enhances cognition in laboratory anim..

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α<SUB>1</SUB>-Acid Glycoprotein from bovine plasma 99% Sigma G3643

α1-Acid Glycoprotein from bovine plasma 99% Sigma G3643

Packaging 25, 100, 250 mg in poly bottle Application α1-Acid glycoprotein was used to study nonviral gene delivery to the l..

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