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Search results for: Rabbit Anti-BMP2 Polyclonal Antibody, FITC conjugated,Isotype: IgG

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#29689714   // To Up

Production and characterization of anti-human IgG F(ab')2 antibody fragment.

In present study an optimized protocol for the separation of antibodies into antigen-binding fragments F(ab')2 using pepsin digestion was investigated. The production of these fragments is a consequential step in the development of medical research, treatment and diagnosis. For production of polyclonal antibody rabbit received antigen in four steps. The rabbit serum at 1/128000 dilution showed high absorbance in reaction with human IgG at the designed ELISA method. Rabbit IgG was purified by Ion-Exchange Chromatography (IEC) method. Purity was assessed by SDS-PAGE method. In non-reduced condition only one band was seen in about 150 kDa MW position and in reduced form, two bands were seen in 50 and 25 kDa MW positions. Rabbit IgG was digested by pepsin enzyme. The antibody fragments solution was applied to Gel filtration column to isolate the F(ab')2. Non-reduced SDS-PAGE for determining the purity of F(ab')2 fragment resulted in one band in 100 kDa corresponds to F(ab')2 fragment and a band in 150 kDa MW position corresponds to undigested IgG antibodies. The activities of FITC conjugated F(ab')2 fragment and commercial ones were compared using flowcytometry method. The activity results implied that the FITC conjugated- anti human F(ab')2 fragment worked as efficiently as the commercial one.
Zahra Valedkarimi, Hadi Nasiri, Leili Aghebati-Maleki, Jalal Abdolalizadeh, Mojghan Esparvarinha, Jafar Majidi

1432 related Products with: Production and characterization of anti-human IgG F(ab')2 antibody fragment.

100ug Lyophilized100ug Lyophilized100ug Lyophilized1 mg100ug Lyophilized100ug Lyophilized100ug Lyophilized100ug Lyophilized100ug Lyophilized100ug Lyophilized

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#27617027   2016/09/09 To Up

Chi-Ju-Di-Huang-Wan protects rats against retinal ischemia by downregulating matrix metalloproteinase-9 and inhibiting p38 mitogen-activated protein kinase.

Retinal ischemia is a retinal disorder related to retinal vascular occlusion, glaucoma, diabetic retinopathy and age-related macular degeneration. The study aimed to evaluate the protective effects and underlying mechanisms of Chi-Ju-Di-Huang-Wan (CJDHW) against retinal ischemia in rats.
Hsiao-Ming Chao, Lei Hu, Ji-Min Cheng, Xiao-Qian Liu, Jorn-Hon Liu, Wynn Hwai-Tzong Pan, Xiu-Mei Zhang

2521 related Products with: Chi-Ju-Di-Huang-Wan protects rats against retinal ischemia by downregulating matrix metalloproteinase-9 and inhibiting p38 mitogen-activated protein kinase.

100 μg100ug5 2 ml50096T100ug100μg1x96 well plate100ul2mg

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#21620854   2011/05/18 To Up

Detection of 3-chlorinated tyrosine residues in human cells by flow cytometry.

Hypochlorite is a strong oxidant, generated under pathological conditions, with the potency to introduce chlorine atom into a number of molecules. 3-Chloro- and 3,5-dichlorotyrosine are documented to be generated by this oxidant and their elevated levels were found in many diseases. Thus, we decided to check the possibility of use of FITC-conjugated antibodies for flow cytometric detection of 3-chlorotyrosine residues in human cells (A549, MCF-7, HUVEC-ST) exposed to the action of hypochlorite. Additionally, we compared the effects of chlorohydrins and N-chloroamino acids as chlorine donors. Cell fixation and permeabilization was followed by incubation with rabbit polyclonal anti-3-chlorotyrosine primary antibody and subsequent staining with goat anti-rabbit FITC-labeled secondary antibody. For antibody isotypic control, normal rabbit IgG was employed. Hypochlorite appeared to be the most efficient from the chlorocompounds analyzed in chlorotyrozine generation in all cell lines. Statistically significant increase of fluorescence corresponding to the level of 3-chlorotyrosine residues was found in cells treated with hypochlorite even at non-toxic concentrations (<5μM). This effect was not observed in cells exposed to the action of chlorinated amino acids or chlorohydrins. The use of anti-3-chlorotyrosine antibodies in conjunction with fluorophore-conjugated secondary antibodies analysis allows for detection of 3-chlorotyrosine residues by flow cytometry in cells treated with low doses of hypochlorite.
Agnieszka Robaszkiewicz, Grzegorz Bartosz, Miroslaw Soszynski

1961 related Products with: Detection of 3-chlorinated tyrosine residues in human cells by flow cytometry.

1 kit100ug Lyophilized100ug Lyophilized100ug Lyophilized100ug Lyophilized1.00 flask100ug Lyophilized100ug Lyophilized1.00 flask1.00 flask1 mg1.00 flask

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#20807555   2010/08/31 To Up

Sensitive immunoassay of Listeria monocytogenes with highly fluorescent bioconjugated silica nanoparticles probe.

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Zhouping Wang, Tingting Miu, Huan Xu, Nuo Duan, Xiaoying Ding, Shuang Li

2983 related Products with: Sensitive immunoassay of Listeria monocytogenes with highly fluorescent bioconjugated silica nanoparticles probe.

96 wells

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#17723519   2006/03/14 To Up

Combination of immunomagnetic separation with flow cytometry for detection of Listeria monocytogenes.

Listeria monocytogenes can grow at the low temperature commonly used in the storage and transportation of food, and the number of cases of food poisoning caused by L. monocytogenes has increased recently in the US and Europe. Several methods of detecting L. monocytogenes cells have been proposed; however, all existing methods require approximately 48 h incubation. In this study, we attempted rapid detection of L. monocytogenes using flow cytometry (FCM). The method is based on measuring the number of L. monocytogenes cells by using a combination of FCM and immunomagnetic separation (IMS). First, polyclonal antibodies (anti-L. monocytogenes rabbit IgG-FITC) conjugated with fluorescein isothiocyanate (FITC) were reacted with L. monocytogenes cells, and then FCM was applied. The cell numbers were determined by FCM using a traditional colony-counting method in the range of 10(4)-10(8) cells ml(-1). Tetrameric antibody complexes (TAC) were used because they can recognize both magnetic and FITC molecules on the FITC-conjugated antibodies. FITC-labeled L. monocytogenes cells were reacted with a secondary antibody (TAC) bound to magnetic beads. Then, IMS was used. The method is suitable for detection in the range of 10(2)-10(8)cells ml(-1). The FCM assay enumerated the cells within 1 min and the total assay time, including sample preparation, was less than 2 h.
Kyoko Hibi, Akihisa Abe, Eiji Ohashi, Kohji Mitsubayashi, Hideki Ushio, Tetsuhito Hayashi, Huifeng Ren, Hideaki Endo

1986 related Products with: Combination of immunomagnetic separation with flow cytometry for detection of Listeria monocytogenes.

1 kit1 kit200 1 kit1 kit1 kit200 1 kit 5 G1 kit

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#16035233   // To Up

Detection of Xylella fastidiosa from resistant and susceptible grapevine by tissue sectioning and membrane entrapment immunofluorescence.

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Nihal Buzkan, Lászlo Kocsis, M Andrew Walker

2218 related Products with: Detection of Xylella fastidiosa from resistant and susceptible grapevine by tissue sectioning and membrane entrapment immunofluorescence.

100ug100ug100 mg1000 tests500 MG100ul25 mg10 mg50 mg25 mg50 ug 96T

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#15896799   2005/04/09 To Up

Removal of therapeutic anti-lymphocyte antibodies from human sera prior to anti-human leukocyte antibody testing.

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Christopher M Bearden, Benita K Book, Richard A Sidner, Mark D Pescovitz

1389 related Products with: Removal of therapeutic anti-lymphocyte antibodies from human sera prior to anti-human leukocyte antibody testing.

100 100UG 100UG0.1 mg200 100UG100 Tests1 mg1 mg1 mg200 100UG

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#15020090   // To Up

Dual enhancement of triple immunofluorescence using two antibodies from the same species.

Triple immunofluorescence method with two mouse monoclonal antibodies and another rabbit polyclonal antibody was established with catalyzed reporter deposition (CARD) amplification on thick floating sections from the rat cerebellum. One of the monoclonal antibodies (anti-calbindin), diluted maximally, probed with anti-mouse IgG-horseradish peroxidase (HRP) and amplified with Cy5-conjugated tyramide, immunolabeled cerebellar Purkinje cells and their arborization. Subsequently, a rabbit polyclonal IgG (anti-glial fibrillary acidic protein (anti-GFAP)), probed with anti-rabbit IgG-HRP, amplified with biotin-tyramide and visualized with fluorescein-isothiocyanate (FITC)-streptavidin, immunolabeled Bergmann's glia. Another mouse monoclonal IgG (anti-SNAP25), probed with anti-mouse IgG-rhodamine without CARD amplification, selectively visualized synaptic sites, because the maximal dilution of the other monoclonal antibody (anti-calbindin) was below the detection threshold of this anti-mouse IgG-rhodamine. Separation of the two signals (calbindin and SNAP25), each detected through mouse monoclonal antibody, was then based on the difference of sensitivity either with or without CARD amplification. Triple immunofluorescence is possible when just one of the three primary antibodies is from different species. Intensification of two of the three signals provides further advantages to examine immunolocalization of multiple epitopes on histological sections.
Ayako Nakamura, Toshiki Uchihara

1435 related Products with: Dual enhancement of triple immunofluorescence using two antibodies from the same species.

50 ug Product tipe: Antib0.1 mg50 ug Product tipe: Antib50 ug Product tipe: Antib100 ug Product tipe: Anti100 ul Product tipe: Anti100 μg20 ug Product tipe: Antib1 ml100 100ul

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#12730261   2003/04/28 To Up

In situ localization associates biologically active plant natriuretic peptide immuno-analogues with conductive tissue and stomata.

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M M Maryani, M V Morse, G Bradley, H R Irving, D M Cahill, C A Gehring

1372 related Products with: In situ localization associates biologically active plant natriuretic peptide immuno-analogues with conductive tissue and stomata.

4/120 Packing /sleeve/bo4/120 Packing /sleeve/bo4/120 Packing /sleeve/bo

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