While Gram staining is a valuable diagnostic tool in both clinical and research settings, not all bacteria can be definitively classified by this technique, thus forming Gram-variable and Gram-indeterminate groups as well.

While working as chief medical officer in a psychiatric hospital, he experimented with metal impregnation of nervous tissue, using mainly silver ( silver staining ).

While the blueberry's fruit pulp is light green, the bilberry's is red or purple, heavily staining the fingers and lips of consumers eating the raw fruit.

While the first cases of IHC staining used fluorescent dyes ( see immunofluorescence ), other non-fluorescent methods using enzymes such as peroxidase ( see immunoperoxidase staining ) and alkaline phosphatase are now used.

While Arshile Gorky is considered to be one of the founding fathers of Abstract Expressionism and a Surrealist, he was also one of the first painters of the New York School who used the technique of staining.

While there are a number of stains that can be used for this purpose, silver staining has proven to be the most effective tool ( Biometra, 2000 ).

While the group only recorded one album together as the Analog Brothers, a few bootlegs of its live concert performances, including freestyles with original lyrics, have occasionally surfaced online.

While the diver seeks out colonies of abalone amongst the reef beds the deckhand operates the boat, known as working " live " and stays above where the diver is working.

While his finances were always precarious, he did not live and die in poverty as was the common myth.

While its use has several advantages over use of a live edged weapon, it can still be deadly, and any training with a bokken should be done with due care.

While corals are almost entirely restricted to warm, shallow marine waters, other cnidarians live in the depths, in polar seas and in freshwater.

While they do sometimes live solitarily, they are more commonly found in groups that average 10 – 20 individuals, with two to four adult males, four to seven adult females and the rest juveniles.

While some are dark skinned and insist on their own customs, others are of the same color and are Christians or Muslim like the communities they live in.

While some patients die, most survive and of the survivors, approximately one-third recover ; one-third are disabled but are able to live independently ; one-third are severely disabled.

While they continued to play live shows during 1983 and 1984, they took a break from releasing new records to concentrate on the Alternative Tentacles record label, which would become synonymous with DIY alternative culture.

While his audience was awaiting developments in the Lindbergh kidnapping, Block played records and created the illusion that he was broadcasting from a ballroom, with the nation ’ s top dance bands performing live.

While Captain Marvel did not recapture his old popularity, he later appeared in a Saturday morning live action TV adaptation and gained a prominent place in the mainstream continuity DC calls the DC Universe.

While Mike is usually portrayed as simply dumb ( for example, in A Man of His Convictions in series 2 he writes a letter to media commentator Stuart Littlemore full of basic spelling and grammatical errors ) he occasionally surprises his colleagues with his sneakiness: in Give ' em Enough Rope ( series 2 ) he traps the network owner into admitting to contravening the Broadcasting Act in a live interview, after first getting the owner to publicly commit to allowing him to ask difficult questions without threat to his job.

While jaguars now live only in the Americas, they are descended from Old World cats.

While the recording took place in a studio, each record of this series has the structure and feel of a live performance, with several first takes on each album.

While the live show is proceeding elsewhere, Heidi attempts suicide by hanging, but her weight breaks the chandelier from the ceiling and she falls through the floor.

While Arab Christian families continued to live in Nazareth, its status was reduced to that of a poor village.

While the live performers recorded the master phonograph, up to ten tubes led to blank cylinders in other phonographs.

While earlier presidents were exceptionally cautious in delivering speeches and on almost every occasion submitted them for vetting, Mary Robinson and Mary McAleese have made much more use of their right to speak without government approval, with Mary McAleese doing many live radio and television interviews.

While the treatment of factory workers or farm hands often varied depending on the individual employer, Polish laborers as a rule were compelled to work longer hours for lower wages than Western Europeans – in many cities, they were forced to live in segregated barracks behind barbed wire.

While mainstream shows are often more strictly episodic, where ending shows can allow viewers to imagine that characters live happily, or at least normally, ever after, science fiction shows generate questions and loose ends that, when unresolved, cause dissatisfaction among devoted viewers.

While the Orange Bowl was sold out for the game, unconditional blackout rules in the NFL prevented the live telecast from being shown in the Miami area.

While the game was sold out at Tulane Stadium, the NFL's unconditional blackout rules prohibited the live telecast from being shown in the New Orleans area.

While in California the band also performed live, and one gig at the Long Branch Saloon in Berkeley was later issued as a live album.

While Waits has played the song live a number of times, an official version would not be released until 2007.

While the process is secret, the general method for making yeast extract on a commercial scale is to add salt to a suspension of yeast, making the solution hypertonic, which leads to the cells shrivelling up ; this triggers " autolysis ", in which the yeast self-destructs.

While different color dyes absorb different frequencies of light, there was a need for as many light sources as cells.

While SNR is commonly quoted for electrical signals, it can be applied to any form of signal ( such as isotope levels in an ice core or biochemical signaling between cells ).

* While bacterial cells often have many flagellar filaments, each of which rotates independently, the archaeal flagellum is composed of a bundle of many filaments that rotate as a single assembly.

While measuring the effect on an organism, tissue cells, enzymes or the receptor is preparing to be compared to a standard preparation.

While plants do utilise many of the same epigenetic mechanisms as animals, such as chromatin remodeling, it has been hypothesised that plant cells do not have " memories ", resetting their gene expression patterns at each cell division using positional information from the environment and surrounding cells to determine their fate.

While a professor of botany at the University of Jena, he wrote < cite > Contributions to Phytogenesis </ cite > ( 1838 ), in which he stated that the different parts of the plant organism are composed of cells.

While most women may have some retrograde menstrual flow, typically their immune system is able to clear the debris and prevent implantation and growth of cells from this occurrence.

While being stored in pancreatic beta cells, proinsulin includes both insulin and C-peptide, which is freed before insulin secretion into the blood.

While the finished polyurethane product is quite light, consisting largely of closed cells of hydrogen, the rubber form and the metal and wood foam box are very heavy.

While it was once thought that the input to layer I came from the cortex itself, it is now realized that layer I across the cerebral cortex mantle receives substantial input from ‘‘ matrix ’’ or M-type thalamus cells ( in contrast to ‘‘ core ’’ or C-type that go to layer IV ).

While both the small intestine and the large intestine have goblet cells, they are abundant in the large intestine.

While mammalian liver cells are polyploid, rare instances of polyploid mammals are known, but most often result in prenatal death.

While epithelial cells form the lining of body structures, it is fibroblasts and related connective tissues which sculpt the " bulk " of an organism.

# While reading of columns in an open row is occurring, current is flowing back up the bit-lines from the output of the sense amplifiers and recharging the storage cells.

* While the length of the intestinal tract contains lymphoid tissue, only the ileum has abundant Peyer's patches, unencapsulated lymphoid nodules that contain large numbers of lymphocytes and other cells of the immune system.

* While the length of the intestinal tract contains lymphoid tissue, only the ileum has abundant Peyer's patches, unencapsulated lymphoid nodules that contain large numbers of lymphocytes and other cells of the immune system.

While the vast majority of the patent application dealt with male sperm, one line suggested that the procedure would work with XX cells, i. e., cells from an adult woman to make female sperm.

While it was previously believed that oesophageal cells were developed from the transdifferentiation of smooth muscle cells, that has been shown to be false.

While most of the high-energy electrons derived from water are utilized by the cyanobacterial cells for their own needs, a fraction of these electrons are donated to the external environment via electrogenic activity.

The brand-name form of sertraline, Zoloft, was advertised to consumers by Pfizer using the following wording: " While the cause is unknown, depression may be related to an imbalance of natural chemicals between nerve cells in the brain.

While protein-mediated transduction supports reprogramming adult cells to pluripotency, the method is cumbersome and requires recombinant protein expression and purification expertise, and reprograms albeit at very low frequencies ( Kim et al., 2009 ).