4dm Tech Directory

DNA topoisomerase 1 is a topoisomerase enzyme that catalyzes ATP-independent breakage of single-stranded DNA, followed by passage and rejoining. It catalyzes reaction that leads to the conversion of one topological isomer of DNA to another. -

Online supplier of lab equipment and supplies. Website includes technical specifications of over 40,000 products from 400 manufacturers, video guides and online ordering. Carl Stuart Limited - www.carlstuart.com. -

biology and medical related electronic textbooks, reviews, encyclopedias and references. biology and medical related journals and magazines. the most popular life sciences public databases containing exhaustive information for genes and proteins. -

Protocol directory is a protocol link directory, containing protocols, techniques and methods for molecular biology, botany and tissue research. Protocols for cell culture, bioinformatics, western blot, pcr, microarray, cloning, enzyme, RNA, DNA, protein, sequencing , transfection, transformation, electrophoresis and much more. -

Dedicated website on cell culture, and tissue and organ culture. Links and information on antibiotics, antifungals, contamination and decontamination, cell cloning, counting, growth, harvesting, isolation, preparation, preservation and storage, cell culture media, techniques and cell lines. -

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Your source for links, methods and protocols on cell and tissue culture. Find information on cell cloning, counting, growth, harvesting, isolation, cell lines, preparation, preservation, storage, contamination, decontamination and growth media. -

Find links to protein expression systems, recombinant protein expression systems, protein expression in yeast and protein expression databases. More links also on recombinant proteins, protein extraction and protein purification and immunoprecipitation and protein interactions. -

Find information, assays, links and protocols on the cell signalling molecules, Interleukins, which are part of the cytokine superfamily. Links on all 35 interleukins, interleukin assays, chemokine, cytokine, cytokine array, interferon and protocols are available. -

Knowledge is the most effective weapon against bed bugs. Please visit us at http://www.BedbugGuru.com to learn about bed bugs, bed bug bites, how to get rid of bed bugs, how dangerous bed bugs are, why only you are showing bite marks and not your spouse. -

Biology Disease is a web portal for human, animal and plant biology, microbiology, molecular biology and molecular biology protocols, and diseases. Resources, articles, links, protocols and images of biology and diseases are provided. -

Molecular biology protocol resource website with information, methods, protocols, tools and resources on molecular biology, bioinformatics, cell biology, cell culture, genetics, histology, immunology, microbiology, pathology, plant biology, proteins and research tools. -

Find information and links on SDS-PAGE, Sodium Dodecyl Sulfate Polyacrylamide Gel Electrophoresis, such as on principles, methods, techniques and protocols on staining, transfer, troubleshooting, 2-dimensional sds-page, buffer recipes, solution recipes, gels and agarose gel electrophoresis. -

Find information on molecular biology protocols and bioinformatics. Includes listings of methods and bioinformatics tools for research. Also discuss research problems and topics in the biology forum. -

Molecular Techniques Directory is a portal to links on molecular techniques and methods. Find links for molecular cloning, cDNA protocol, DNA-protein interactions, electrophoresis, ELISA assay, PCR reaction, rna interference RNAi, DNA sequencing, DNA transfection and transformation, phage and morel. -

Genosphere-biotech Product & Service Offer custom peptide, research, synthesis and multi peptide co-immunization. -

DNA Paternity Tests offers information about DNA paternity testing, ancestry DNA testing and other DNA tests to determine biological relationships and ethnicity -

A site which includes a biology directory of research publications, author profiles, and science news. Find a variety of research topics and protocols for science study. Also includes a forum for science discussions on various topics. -

Cyto360 Bioscience is specialized in custom polyclonal and monoclonal antibody development and production and provides services for antibody development, production, purification, conjugation in unparallel speed and high quality -

Zoopharmacognosy: A Source of Advancing Animal, Environmental and Human Healthcare Needs. Wild, free roaming animals have evolved and developed a strong recognition and relate and communicate with their natural environment in a variety of ways to maintain their life force and survival. -