You may want to identify certain types of equipment by vendor name and brand or category (., ultracentrifuge vs. prep centrifuge), particularly if they are not commonly found in most labs. It is appropriate to report, parenthetically, the source (vendor) and catalog number for reagents used, ., " ....poly-L-lysine (Sigma #1309) ." When using a method described in another published source, you can save time and words by providing the relevant citation to the source. Always make sure to describe any modifications you have made of a standard or published method.
Sometimes the article “ The ” is used as part of the name of a company or magazine or journal for emphasis, ., The Champ , or The Sports Network . For Internet sites, use the URL as a guide. If “ theyellowpages ” is used in the URL, treat “ The ” as part of the title, and list “ The Yellow Pages ” alphabetically under “ The “. If “ edge ” and not “ theedge ” is used in the URL, list the magazine title “ The Edge ” under “ Edge ” and treat “ The ” as an article and ignore it.