نتایج جستجو برای: brilliant cresyl blue
تعداد نتایج: 74582 فیلتر نتایج به سال:
sawdust which is the main waste from wood industry has been used as a raw material forremoval of brilliant cresyl blue toxic dye. the effects of various parameters such as ph,electrolyte concentration, adsorbent dose, contact time and agitation rate were studied for theremoval of the dye in a concentration of 50 mg l-1. the optimum condition for the studiedparameters was applied for various con...
OBJECTIVE Application of on-spot staining with brilliant cresyl blue, a supravital stain, was investigated in fine needle aspirates from breast, lymph node and thyroid. STUDY DESIGN Patients with palpable breast lumps, lymph nodes and thyroid nodules were included in the study. Brilliant cresyl blue was used to stain the smears, which were evaluated for smear adequacy as well as cytological d...
Living cells of Nitella were placed in different concentrations of brilliant cresyl blue solutions at pH 6.9. It was found that the greater the concentration of the external dye solution, the greater was the speed of accumulation of the dye in the cell sap and higher was the concentration of dye found in the sap at equilibrium. Analysis of the time curves showed that the process may be regarded...
By PHAEDON FESSAS F EW EXAMPLES of erythrocytic inclusions due to abnormalities of the hemoglobin molecule are known. The first concerns Hb H.”2 Although the precipitates of Hgb H, such as is observed in the usual test employing brilliant cresyl blue, are produced artificially, there is evidence that some are formed spontaneously in vivo.’4 The second example is that of Hb Zurich; the precipita...
The rate of penetration of brilliant cresyl blue into the living cells of Nitella indicates that the dye enters only in the form of the undissociated molecule. At equilibrium the total concentration of the dye in the sap is proportional to the concentration of the free base in the outside solution.
By PHAEDON FESSAS F EW EXAMPLES of erythrocytic inclusions due to abnormalities of the hemoglobin molecule are known. The first concerns Hb H.”2 Although the precipitates of Hgb H, such as is observed in the usual test employing brilliant cresyl blue, are produced artificially, there is evidence that some are formed spontaneously in vivo.’4 The second example is that of Hb Zurich; the precipita...
A glass electrode apparatus is described with which pH measurements can be made with as small volumes as 2 drops (about 0.14 cc.) of solution. Using this apparatus the change of pH of the vacuolar sap of Nitella, due to the penetration of brilliant cresyl blue, has been readily followed. The sap and the dye have been found to poison the usual type of hydrogen electrode.
When the living cells of Nitella are placed in a solution of brilliant cresyl blue containing NH(4)Cl, the rate of accumulation of the dye in the sap is found to be lower than when the cells are placed in a solution of dye containing no NH(4)Cl and this may occur without any increase in the pH value of the cell sap. This decrease is found to be primarily due to the presence of NH(3) in the sap ...
It has been shown by several investigators I that when the pl-I value of the external dye solutions is increased, the rate of accumulation of a basic dye in the cell sap is accelerated. Two different explanations for this have been given. Some have accounted for it on the basis that the basic dye enters the cell in the form of a dye hydrate and combines with the substances in the cell; and that...
We presented a scalable fabrication method for the preparation of multilayered nano-prism vertex (NV)-tips whose dimensions can be controlled for tip-enhanced Raman spectroscopy (TERS). The NV-tip had sharp vertices (diameter ~20 nm) originated from the chemical lift-off process after the angle-grinding process, enabling high resolution imaging. TERS measurements were performed on brilliant cre...
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