Doxycycline is an antibiotic  against gram-positive and gram-negative bacteria. More active biologically than the corresponding 6b-epimer hydrochloride. Derivative of oxytetracycline. A broad spectrum inhibitor used to inhibit matrix metallo-proteinases (MMP) such as type 1 collagenase in…

Analysis Note: Useful for stabilizing sulfhydryl-containing enzymes Applications: Dithiothreitol is useful for stabilizing sulfhydryl containing enzymes. Effective in sample buffers for reducing protein disulfide bonds prior to SDS-PAGE. DTT can also be used for reducing the disulfide…

All blood products should be treated as potentially infectious. Source material from which this product was derived was found negative when tested in accordance with current FDA required tests. No known test methods can offer assurance that products derived from human blood will not transmit…

Blasticidin S is a nucleoside antibiotic that specifically inhibits protein synthesis in both prokaryotes and eukaryotes. Suitable for selection of cells carrying plasmids conferring blasticidin resistance. Blasticidin resistance is conferred by the blasticidin S deaminase genes (bsr from Bacillus…

Chloramphenicol is a synthetic antibiotic, which was first isolated from strains of Streptomyces venezuelae. It has a broad spectrum of activity against Gram-positive and Gram-negative bacteria. Chloramphenicol inhibits bacterial protein synthesis by blocking the peptidyl transferase step…

Ampicillin is a semi-synthetic derivative of penicillin, active as a broad-spectrum antibiotic. It is inactivated by beta-lactamases and for this reason a beta-lactamase inhibitor should be considered when using ampicillin. Against gram-positive bacteria, ampicillin has a similar mode of action as…

Preparation Method: This product consists of 0.02M sodium phosphate, 0.15M NaCl, pH 7.6, 0.05% Sodium azide. It has been isolated from antisera by immunoaffinity chromatography using antigens coupled to agarose beads. Background Information: IgG is the main antibody type found in plasma…

This antibody diluent is compatible with common stabilizing compounds at pH 7.3. Contains phosphate buffered saline. The buffer is filtered through a 0.2 um filter. Ready-to-use sterile phosphate buffered saline.

This antigen affinity gel is prepared by reaction of purified IgG to activated Sepharose® 4B gel. The washed gel is packaged as a ready-to-use column. The bed volume is 2 mL. IgG affinity gel contains a proprietary ligand that retains most protein found in serum, ascites and culture…

To ensure that the product titer falls within the required range, antibody titer is standardized by microtiter plate ELISA with rabbit IgG. The antibody is tested for purity at 10 mg/mL by immunoelectrophoresis. The antibody is goat IgG; no trace of albumin is detected. Antibody and highly…

L-Thyroxine-BSA polyclonal antibody is used for radioimmunoassays. Reconstitute with 1.0 mL of distilled water and let stand for 30 minutes at room temperature. 1:1,000 (using 0.1 mL/assay) It is recommended that each lab obtain their own optimum working dilution by titration assay.

Anti-Sheep Host: rabbit Form: lyophilized powder

Anti-Bovine Host: rabbit Form: lyophilized Applications: Immunostaining of acetone-fixed frozen and formalin-fixed, paraffin-embedded tissue sections.

The antiserum is in 0.02M sodium phosphate, 0.14M sodium chloride, pH 7.3, 0.05% sodium azide, adjusted to standard titer, filtered through a 0.22 μm filter, vialed and lyophilized. Albumin, Bovine polyclonal antibody is used in immunoprecipitin and western blotting. Reconstitute with 2.0…

Product is the lyophilized powder of horseradish peroxidase (HRP)-conjugated rabbit IgG fraction to rat albumin and buffer salts. Antibody and highly purified HRP (R z >3.0) are conjugated under defined conditions to obtain optimally labeled product. Conjugated protein is purified by salt…

Analysis Note: The total protein is measured using the Biuret procedure with bovine albumin as the standard. To ensure that the product titer falls within the required range, antibody titer is standardized by microtiter plate ELISA with mouse IgG. The product is tested for purity and specificity…

Product is the lyophilized powder of goat antiserum to guinea pig IgG (whole molecule) and buffer salts. The antiserum is prepared by hyperimmunizing goats with highly purified guinea pig IgG; antiserum is delipidated and made specific by solid-phase absorption. The resulting antiserum is…

Product is the lyophilized powder of rabbit antiserum to sheep red blood cells and buffer salts. The antiserum is prepared by hyperimmunizing rabbits with sheep red blood cells; antiserum is delipidated and made specific by solid-phase absorption. The resulting antiserum is dialyzed into 0.02M…

Goat affinity purified antibody to rat igg (whole molecule) is goat affinity purified antibody to rat IgG (whole molecule) and buffer salts. Analysis Note The total protein is measured by absorbance (A280 nm). Antibody titer is standardized by equivalence-point precipitation. Each affinity…

The total protein is measured using the Biuret procedure, with bovine albumin as the standard. The antiserum is prepared by immunizing goats with human serum; antiserum is delipidated and made specific by immunoadsorption with soluble antigens or solid-phase immunoadsorption where appropriate.…

Analysis Note The total protein is measured using the Biuret procedure, with bovine albumin as a standard. Antibody titer is standardized by equivalence-point precipitation. Each antiserum is tested for specificity at a minimum of 80 mg/mL using immunoelectrophoresis. Preparation Method …

Product is goat affinity purified antibody to mouse IgG (whole molecule) and buffer salts. Analysis Note The total protein is measured by absorbance (A280 nm). Antibody titer is standardized by equivalence-point precipitation. Each affinity purified antibody is tested for purity at 10…

Analysis Note The total protein is measured by absorbance (A280nm); F/P ratio is calculated using absorbance at 491.5nm. Antibody titer of the affinity purified F(ab')2 fragments is standardized by equivalence-point precipitation. The affinity purified F(ab')2 fragment is tested for…

The total protein is measured by using the Biuret procedure, with bovine albumin as a standard. Antibody titer is standardized by equivalence-point precipitation. The IgG fraction is tested for purity at 20 mg/mL using immunoelectrophoresis; No trace of albumin is detected. The antibody is…

Antibodies are produced in rabbits by immunization with feline immunoglobulins and formulated with selected beta globulins including the C3 component of complement. The resulting antiserum is heated at 56°C for 30 minutes to inactivate rabbit complement. Heteroagglutinins are absorbed with…

This immunoglobulin was prepared from mouse serum using current chromatographic techniques. A quantitative protein analysis as well as immunoelectrophoresis has been applied to determine identity of the product. Mouse IgG is useful for structural and biological studies, for use as reference…

Semi-synthetic antibiotic related to penicillin. It is a benzyl penicillin derivative with substitution of a-carboxyl group in the benzyl side chain. The product interferes with final cell wall synthesis of susceptible bacteria. It is completely ionized in the blood. Carbencillin disodium is about…

Product is goat affinity purified antibody to human IgA (α-chain) and buffer salts. IgA antibody is a secretory antibody and is present abundantly in mucous linings of gastrointestinal, respiratory and genitourinary tracts, tears and saliva. Thus, secretory IgA contributes to the humoral…

IgG antibody subtype is the most abundant serum immunoglobulins of the immune system. It is secreted by B cells and is found in blood and extracellular fluids and provides protection from infections caused by bacteria, fungi and viruses. Maternal IgG is transferred to fetus through the placenta…

Analysis Note The total protein is measured by absorbance (A280nm). Antibody titer is standardized by equivalence-point precipitation. Each affinity purified antibody is tested for purity at 10 mg/mL using immunoelectrophoresis. The product is goat IgG; no trace of albumin is detected. …

Colistin is a polymyxin antibiotic, it is a mixture of cyclic polypeptides colistin A and B. Colistin is effective against most Gram-negative bacilli and is used as a polypeptide antibiotic. Colistin sulfate is used to permeabilize bacterial cell membranes and to study mannose-resistant…

Analysis Note: The total protein is measured using the Biuret procedure with bovine albumin as the standard. To ensure that the product titer falls within the required range, antibody titer is standardized by microtiter plate ELISA with mouse IgG and human IgG. The product is tested for purity…