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Description: Cytokeratins, a group comprising at least 29 different proteins, are characteristic of epithelial and trichocytic cells. Cytokeratins 1, 4, 5, 6, and 8 are members of the type II neutral to basic subfamily. Antibody to cytokeratins are specific markers of epithelial cell differentiation and have been widely used as tools in tumor identification and classification. Anti Pan Cytokeratin (mixture) is a broadly reactive reagent, which recognizes epitopes present in most human epithelial tissues. It facilitates typing of normal, metaplastic and neoplastic cells. Synergy between the various components results in staining amplification. This enables identification of cells, which would otherwise be stained only marginally. The mixture may aid in the discrimination of carcinomas and nonepithelial tumors such as sarcomas, lymphomas and neural tumors. It is also useful in detecting micrometastases in lymph nodes, bone marrow and other tissues and for determining the origin of poorly differentiated tumors. There are two types of cytokeratins the acidic type I cytokeratins and the basic or neutral type II cytokeratins. Cytokeratins are usually found in pairs comprising a type I cytokeratin and a type II cytokeratin. Usually the type II cytokeratins are 8kD larger than their type I counterparts.

Catalog Number: 10326-152

Supplier: Bioss

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Description: Stimulating T cells with SARS-CoV-2 (Spike Protein) Omicron XBB.1.5.X Mutation peptide pool releases downstream cytokines and upregulates activation markers, enabling antigen-specific T cells to be detected or isolated for analysis. This pool is provided as two lyophilized mixtures (subpools) from the spike glycoprotein of SARS-CoV-2 Omicron XBB.1.5.X subvariant. The subpools contain 158 and 157 peptides, respectively, for a total of 315 peptides, and consist of 15-mer peptides with 11-amino-acid overlaps that cover amino acids 1 to 1269 on the spike protein. Through interactions with the angiotensin-converting enzyme 2 (ACE2) receptor, the spike protein enables the virus to attach to the cell membrane, and plays a critical role in viral entry (Hoffmann <i>et al.</i>; Walls <i>et al.</i>). Viral peptide pools are useful for a broad range of applications, including vaccine development, immunological research, and diagnostic assay development.

Catalog Number: MSPP-100-1422

Supplier: STEMCELL Technologies

New Product Sale

Description: Stimulating T cells with SARS-CoV-2 (Spike Protein) Omicron/B.1.1.529 Peptide Pool releases downstream cytokines and upregulates activation markers, enabling antigen-specific T cells to be detected or isolated for analysis. This pool is provided as two lyophilized mixtures (subpools) from the spike glycoprotein of SARS-CoV-2 Omicron variant (B.1.1.529), which contain 158 and 157 peptides, respectively, for a total of 315 peptides. They consist of 15-mer peptides with 11-amino-acid overlaps that cover amino acids 1 to 1270 on the spike protein. Through interactions with the angiotensin-converting enzyme 2 (ACE2) receptor, the spike protein enables the virus to attach to the cell membrane, and plays a critical role in viral entry (Hoffmann <i>et al.</i>; Walls <i>et al.</i>). Viral peptide pools are useful for a broad range of applications, including vaccine development, immunological research, and diagnostic assay development.

Catalog Number: MSPP-100-1420

Supplier: STEMCELL Technologies

New Product Sale

Description: Stimulating T cells with HHV6 (U54) peptide pool releases downstream cytokines and upregulates activation markers, enabling antigen-specific T cells to be detected or isolated for analysis. HHV6 (U54) peptide pool is a lyophilized mixture of 112 peptides from protein U54 of human herpesvirus 6B (HHV-6B; strain Z29), and consists of 15-mer peptides with 11-amino-acid overlaps that cover amino acids 1 to 459 on U54. U54 is a tegument transactivator and is suggested to be a homolog of the CMV UL82/83 (pp65/72K) protein (Isegawa <i>et al.</i>; Nicholas). In infected T cells, U54 has been shown to inhibit gene transcription of interleukin 2 (IL-2), the T cell growth factor, which likely contributes to viral persistence (Iampietro <i>et al.</i>). Viral peptide pools are useful for a broad range of applications, including vaccine development, immunological research, and diagnostic assay development.

Catalog Number: MSPP-100-1401

Supplier: STEMCELL Technologies

New Product Sale

Description: Cytokeratins, a group comprising at least 29 different proteins, are characteristic of epithelial and trichocytic cells. Cytokeratins 1, 4, 5, 6, and 8 are members of the type II neutral to basic subfamily. Antibody to cytokeratins are specific markers of epithelial cell differentiation and have been widely used as tools in tumor identification and classification. Anti Pan Cytokeratin (mixture) is a broadly reactive reagent, which recognizes epitopes present in most human epithelial tissues. It facilitates typing of normal, metaplastic and neoplastic cells. Synergy between the various components results in staining amplification. This enables identification of cells, which would otherwise be stained only marginally. The mixture may aid in the discrimination of carcinomas and nonepithelial tumors such as sarcomas, lymphomas and neural tumors. It is also useful in detecting micrometastases in lymph nodes, bone marrow and other tissues and for determining the origin of poorly differentiated tumors. There are two types of cytokeratins the acidic type I cytokeratins and the basic or neutral type II cytokeratins. Cytokeratins are usually found in pairs comprising a type I cytokeratin and a type II cytokeratin. Usually the type II cytokeratins are 8kD larger than their type I counterparts.

Catalog Number: 10328-082

Supplier: Bioss

Sale

Description: Mix contains Acifluorfen methyl ester, Bentazon methyl ester, Chloramben methyl ester, Dalapon methyl ester, 2,4-D methyl ester, 2,4-DB methyl ester, DCPA methyl ester (Chlorthal-dimethyl), Dicamba methyl ester, 3,5-Dichlorobenzoic acid methyl ester, Dichlorprop methyl ester, Dinoseb methyl ether, Pentachloroanisole, Picloram methyl ester, Quinclorac methyl ester, 2,4,5-T methyl ester, 2,4,5-TP.

Catalog Number: 75835-876

Supplier: Restek

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Description: Stimulating T cells with HHV8 (K8) peptide pool releases downstream cytokines and upregulates activation markers, enabling antigen-specific T cells to be detected or isolated for analysis. HHV8 (K8) peptide pool is a lyophilized mixture of 57 peptides from protein K8 alpha of human herpesvirus 8 (HHV-8), and consists of 15-mer peptides with 11-amino-acid overlaps that cover amino acids 1 to 237 on K8. A basic leucine zipper (bZip) protein that associates with the lytic origin of HHV8 (Lin <i>et al.</i>), K8 is thought to play a role in lytic DNA replication, as a trans-acting factor (AuCoin <i>et al.</i>). It has also been found to modulate the activity of the transcriptional transactivator K-Rta (Izumiya <i>et al.</i>), and has an autoregulatory function (Wang <i>et al.</i>). Viral peptide pools are useful for a broad range of applications, including vaccine development, immunological research, and diagnostic assay development.

Catalog Number: MSPP-100-1403

Supplier: STEMCELL Technologies

New Product Sale

Description: Stimulating T cells with EBV (EBNA-3A) Peptide Pool releases downstream cytokines and upregulates activation markers, enabling antigen-specific T cells to be detected or isolated for analysis. EBV (EBNA-3A) Peptide Pool is a lyophilized mixture of 234 peptides from Epstein-Barr nuclear antigen 3 (EBNA-3A) of Epstein-Barr virus (EBV; strain B95-8) and consists of 15-mer peptides with 11-amino-acid overlaps that cover amino acids 1 - 944 on EBNA-3A. EBNA-3A contributes to B cell growth transformation (Hertle <i>et al.</i>; Tomkinson <i>et al.</i>) and has been found to interact with host cell proteins, where it activates (Young <i>et al.</i>) or represses (Cludts and Farrell; Hickabottom <i>et al.</i>) transcription of specific cellular genes. Viral peptide pools are useful for a broad range of applications, including vaccine development, immunological research, and diagnostic assay development.

Catalog Number: MSPP-100-1386

Supplier: STEMCELL Technologies

New Product Sale

Description: Separate a wide range of enantiomers with Hypersil™ Chiral HPLC columns, designed for separations of neutral, acidic and basic racemates in normal phase. These chiral columns can help ensure your purification needs are met by resolving racemic mixtures and potential contaminants so you can be confident in the purity of target compound. To maximize screening efficiency, these columns can be ordered in kits which contain a column in each of our chiral phases. All columns are available in analytical and preparative scale formats.

Catalog Number: 76331-896

Supplier: Thermo Scientific

Sale

Description: Cytokeratins, a group comprising at least 29 different proteins, are characteristic of epithelial and trichocytic cells. Cytokeratins 1, 4, 5, 6, and 8 are members of the type II neutral to basic subfamily. Antibody to cytokeratins are specific markers of epithelial cell differentiation and have been widely used as tools in tumor identification and classification. Anti Pan Cytokeratin (mixture) is a broadly reactive reagent, which recognizes epitopes present in most human epithelial tissues. It facilitates typing of normal, metaplastic and neoplastic cells. Synergy between the various components results in staining amplification. This enables identification of cells, which would otherwise be stained only marginally. The mixture may aid in the discrimination of carcinomas and nonepithelial tumors such as sarcomas, lymphomas and neural tumors. It is also useful in detecting micrometastases in lymph nodes, bone marrow and other tissues and for determining the origin of poorly differentiated tumors. There are two types of cytokeratins the acidic type I cytokeratins and the basic or neutral type II cytokeratins. Cytokeratins are usually found in pairs comprising a type I cytokeratin and a type II cytokeratin. Usually the type II cytokeratins are 8kD larger than their type I counterparts.

Catalog Number: 10326-136

Supplier: Bioss

Sale

Description: Cytokeratins, a group comprising at least 29 different proteins, are characteristic of epithelial and trichocytic cells. Cytokeratins 1, 4, 5, 6, and 8 are members of the type II neutral to basic subfamily. Antibody to cytokeratins are specific markers of epithelial cell differentiation and have been widely used as tools in tumor identification and classification. Anti Pan Cytokeratin (mixture) is a broadly reactive reagent, which recognizes epitopes present in most human epithelial tissues. It facilitates typing of normal, metaplastic and neoplastic cells. Synergy between the various components results in staining amplification. This enables identification of cells, which would otherwise be stained only marginally. The mixture may aid in the discrimination of carcinomas and nonepithelial tumors such as sarcomas, lymphomas and neural tumors. It is also useful in detecting micrometastases in lymph nodes, bone marrow and other tissues and for determining the origin of poorly differentiated tumors. There are two types of cytokeratins the acidic type I cytokeratins and the basic or neutral type II cytokeratins. Cytokeratins are usually found in pairs comprising a type I cytokeratin and a type II cytokeratin. Usually the type II cytokeratins are 8kD larger than their type I counterparts.

Catalog Number: 10326-148

Supplier: Bioss

Sale

Description: Although FITC reagents have been more often used to prepare fluoresceinated bioconjugates, the low stability of FITC bioconjugates makes some researchers use amine-reactive succinimidyl esters of carboxyfluorescein (commonly called FAM) in bioconjugations. FAM reagents give carboxamides that are more resistant to hydrolysis. We have shown that FAM reagents require less stringent reaction conditions and give better conjugation yields, and the resulted conjugates have superior stability. We noted that FITC labeled peptides tend to deteriorate more quickly than the corresponding FAM conjugates.

Catalog Number: 103010-750

Supplier: Anaspec Inc

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Description: The Semphorins are a large family of phylogenetically conserved proteins that play a pivotal role in maintaining homeostasis in the immune system. Twenty members of this family have been identified and categorized into eight subclasses based on sequence similarity and distinctive structural features. CD100, also known as Sema4D, is a 150 kDa transmembrane class IV semaphorin. Studies have shown that CD100 can induce monocyte migration, T-cell activation, and B-cell survival, as well as T/B cell and T/DC “cooperation”. The CD100 precursor contains 862 amino acids, including a 21 a.a. signal sequence, a 713 a.a. extracellular domain, a 21 a.a. transmembrane sequence, and a 107 a.a. cytoplasmic region. The extracellular sequence contains several structural features, including a 479 a.a. “sema” domain, a 79 a.a. Ig-like sequence, and a 52 a.a. “Plexin-type repeat”. Recombinant Human sCD100 is a 78.9 kDa protein comprising the extracellular domain of CD100 (711 amino acids). SDS-PAGE analysis run under non-reducing conditions shows a mixture of disulfide linked dimer and monomer.

Catalog Number: 10780-648

Supplier: Peprotech

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Description: High polarity phase, ideal for detailed FAMEs and Dioxins isomers separation.

Catalog Number: 76425-918

Supplier: VWR International

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Description: CAS Number: 123-95-5
MDL Number: MFCD00026669
Molecular Formula: C22H44O2
Molecular Weight: 340.59
Purity/Analysis Method: >97.0% (GC)
Form: Crystal
Color: White
Flash Point (°C): 160
Freezing point (°C): 25

Catalog Number: TCS0077-025G

Supplier: TCI America

SDS Certificates Sale

Description: Source of hydrogen, reducing agent for aldehydes, ketones, acid chlorides; foaming agent for plastics

Catalog Number: CAAA32570-A1

Supplier: Thermo Scientific Chemicals

Certificates Sale