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Effects of bisorption of cadmium (II) on the external morphology and growth rate of Saccharomyces cerevisiae strain 2115 / Sevilla, Almalyn C. 6

By: 4 0 16, [, ] | [, ] |

Contributor(s): 5 6 [] |

Language: Unknown language code Summary language: Unknown language code Original language: Unknown language code Series: ; January 2005.46Edition: Description: 28. cm. viii 38 pagesContent type: text Media type: unmediated Carrier type: volumeISBN: ISSN: 2Other title: 6 []Uniform titles: | | Related works: 1 40 6 []Subject(s): -- 2 -- 0 -- -- | -- 2 -- 0 -- 6 -- | 2 0 -- | -- -- 20 -- | | -- -- -- -- 20 -- | -- -- -- 20 -- --Genre/Form: -- 2 -- Additional physical formats: DDC classification: | LOC classification: | | 2Other classification:

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Action note: In: Summary: ABSTRACT: The study focused on the effects of the biosorption of Cd (II) on the external morphology and growth rate of saccharomyces cerevisiae strain 2115. Culture of the strain of saccharomyces cerevisiae was purchased from NSRI, UP Diliman and was cultivated in universal yeast medium. The Cd (II) used was in the form of Cd (NO3)2. The samples were subjected to UV-VIS aprectroscopy at the wavelength of 605 nm, for the determination of growth rate. For the samples were subjected to AAS, Spectra 200, after which, the samples were put into slides and examined to SEM, JSM 5310 for the determination of external morphology. The results show that as the Cd (II) concentrations increased, cells of Saccharomyces cerevisiae also increased in size and shape deformity was seen. The growth rate increaed as time increased and was highest at 30 ppm Cd(II). On the other hand, the sorption rate decreased as metal concentration increased. Thus, Saccharomyces cerevisiae has the capacity to accumulate heavy metal like Cd(II) in aqueous media. Other editions:

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Item type	Current location	Home library	Collection	Call number	Status	Date due	Barcode	Item holds
Book	PLM	PLM Filipiniana Section	Filipiniana-Thesis	T Q181.Se5.2005 (Browse shelf)	Available		FT7624

Total holds: 0

Thesis: (B.S. Biology) - Pamantasan ng Lungsod ng Maynila, 2005. 56

ABSTRACT: The study focused on the effects of the biosorption of Cd (II) on the external morphology and growth rate of saccharomyces cerevisiae strain 2115. Culture of the strain of saccharomyces cerevisiae was purchased from NSRI, UP Diliman and was cultivated in universal yeast medium. The Cd (II) used was in the form of Cd (NO3)2. The samples were subjected to UV-VIS aprectroscopy at the wavelength of 605 nm, for the determination of growth rate. For the samples were subjected to AAS, Spectra 200, after which, the samples were put into slides and examined to SEM, JSM 5310 for the determination of external morphology. The results show that as the Cd (II) concentrations increased, cells of Saccharomyces cerevisiae also increased in size and shape deformity was seen. The growth rate increaed as time increased and was highest at 30 ppm Cd(II). On the other hand, the sorption rate decreased as metal concentration increased. Thus, Saccharomyces cerevisiae has the capacity to accumulate heavy metal like Cd(II) in aqueous media.

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