จำนวน Repository ( 1574 )

Chemical composition and biological activity of ficus hispida linn
Chemical composition and biological activity of ficus hispida linn

To study the effect biological activity of a fig tree extract using Sequential Extraction and use of fennentation Maceration using solvent 3 types of hexane ethyl acid state and methanol to extract 12 Chanin made. tested oral cancer cells (human mouth carcinoma: KB) lung cancer cells (human small cell lung cancer: NCI-HI87) breast cancer (breast cancer: MCF-7) anti-malarial. (Anti-malaria; Plasmodium falciparum) Microculture Radioisotope Technique used to test anti-tuberculosis (Anti-Mycobacterium. tuberculosis. anti-TB) to the Green fluorescent protein microplate assay (GFPMA). The results showed that extracts of the fig tree has anti-cancer Including breast cancer lung cancer and oral cancer. Extracts of the fig tree does not have anti-tuberculosis and extracts of the fig tree shows some anti-malarial. In further research should study the molecular and biological activity of the fig tree from the roots seeds leaves flowers and fruit to the biological activity ofthe data for a selection of extracts from medicinal plants to make. Purification and further develop research in the next commercial.

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Comparative floral ontogeny of Hydrobryum loeicum, Hy. tardhuangense and Hanseniella heterophylla (Podostemaceae)
Comparative floral ontogeny of Hydrobryum loeicum, Hy. tardhuangense and Hanseniella heterophylla (Podostemaceae)

In order to elucidate the floral ontogeny of certain Thai species of the subfamily Podostemoideae the flowering shoots of Hanseniella heterophy/la Hydrobryum loeicum and Hy. tardhuangense were observed using scanning electron microscope. In all species studied. the flowering shoots protrude from the cavities where the tufted leaves arise on the crustose root. Mostly the two outer bracts are leaf-like interpreting that the flowering shoots are converted from the vegetative shoots. In Hanseniel/a bracts in the early developmental stage are similar shapes but different sizes arranging in 4 rows. In the mid-stage the ventral bracts differentiate into normally 2 lobes occasionally 3 lobes whereas the dorsal bracts develop into long deltoid shape. In Hydrobryum the arrangement of bracts is distichous. The spathellas in all species initiate from tissue surrounding the floral meristem. Prior to the fusion of ventral and dorsal apical margins the spathella apices become a triangle space in Hanseniella narrow long space in Hy. loeicum and two-lipped in Hy. tardhuangense; and the floral organs are initiated inside the spathella. The two tepal primordia the primary androecial primordium and the gynoecial primordium are initiated simultaneously. The two stamen primordia are differentiated from the primary androcial primordium when the gynoecium changes into a cylindrical shape and two carpel primordia are initiated. These dramatic ontogenetic changes and heterochronic shifts in the initiation of floral organs are highly specialized and very distinct floral development which have not found in any families of flowering plants.

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An evaluation of  The Teaching Behavior in Statistical  Analysis in Business (02-311-113) of Faculty of Science and Technology Rajamangala University of Technology Phra Nakhon.
An evaluation of The Teaching Behavior in Statistical Analysis in Business (02-311-113) of Faculty of Science and Technology Rajamangala University of Technology Phra Nakhon.

The purpose of this study was to evaluate the subject of Statistical Analysis in Business(02-311-133) in the curriculum of the Faculty of Science and Technology Rajamangala University of Technology Phra Nakhon. The following aspects were studied : the appropriate objective outline content of the curriculum methods of teaching and learning instructors students teaching aids materials classrooms evaluations of the curriculum and achievements of the students who had studied this subject. The sampling group of this study was comprised of 6 instructors who taught a course in Statistical Analysis in Business 324 students who had studied the course and 76 students who had graduated. The research tools were a questionnaire and an interview. The statistics used in data analysis were percentage arithmetic mean (X) and standard deviation (SD.). The Results ofthe study were that 33.33 % of the instructors had experiences in teaching more than 10 years but had conducted fewer researches; the objective outline and content of the curriculum were appropriate and applicable; the teaching aids did not work properly because of no good maintenance; in teaching and learning no activities and fewer group works were assigned to students to practice; the evaluations of the curriculum should not have various forms; there were less of students achievements in synthesizing problems and applying their knowledge to solve problems.

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The study of bachelor of science programs in applied chemistry in Thailand's Higher Educational Institutions
The study of bachelor of science programs in applied chemistry in Thailand's Higher Educational Institutions

The Purposes of1bis Research were to study of Bachelor of Science Programs in Applied Chemistry and in related other areas in Thailand s Higher Educational Institutions. The sample consisted of 27 Programs of Bachelor ofScience Programs in chemistry Applied Chemistry and Industrial chemistry in Thailand s Higher Educational Institutions. Instruments used for collecting data were Curriculum Data Sheets. The data were analyzed by using SPSS for window. The statistics used were frequency percentage and mean. The results were as follows: 1. Most of the Bachelor of Science programs are chemistry. The others are Applied Chemistry and Industrial chemistry respectively. 2. The Total Course Credits of Bachelor of Science Programs were 137.12 Credits including General Education Courses (34.46 credits) Specific Courses (96.50 credits) and free elective courses (6.42 credits). 3. The Total Course Credits of the Bachelor of Science Programs before 2005 were 140.67 credits including General Education Courses (35.28 credits) specific courses (99.22 credits) and free elective courses (6.61 credits). 4. The Total Course Credits of the Bachelor of Science Programs s after 2005 were 129.13 credits including General education courses (32.63 credits) specific courses (90.38 credits) and free elective courses (8.76 credits). 5. The Total Course Credits of Bachelor of Science Programs in Applied Chemistry were . 130.67 credit including General education courses (37.67 credits) specific courses (85.00 credits) and free elective courses (8.00 credits). 6. The minors of Bachelor of Science programs in Applied Chemistry consisted of Industrial Chemistry and Management Environmental Chemistry Material Chemistry Natural Products Chemistry Polymer Chemistry Applied Chemistry for Industry Chemistry Education and Medicinal Biochemistry.

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Variables affecting to learning achievement in Bio-organic chemistry of  students on Rajamangala University of Technology Phra Nakhon
Variables affecting to learning achievement in Bio-organic chemistry of students on Rajamangala University of Technology Phra Nakhon

The purposes of this research were to study of Variables Affecting to Learning Achievement in Bio-organic chemistry and construct the prediction equation models ofstudents Bio-organic chemistry Leaming Achievement in Rajamangala University of Technology Phra Nakhon(RMUTP). The sample consisted of60 students ofRMUTP Sampling by Quota Sampling method. The instnunents used in this research were the questionnaire of 5-rated rating scales of those II categories. The reliability of the questionnaire was that the Bio-organic chemistry attitude 0.688 Achievement motivation in Bio-organic chemistry 0.766 Students learning behavior 0.742 Attitude towards University 0.80 I Personality ofchemistry teacher 0.851 Teaching behavior ofchemistry teacher 0.869 Parents support 0.796 University surrounding 0.719 Facilities of University 0.834 with the total average of 0.911 and the test of 4 choices Bio-organic chemistry Learning Achievement consisted of 50 items. The level ofdifficulty was between 0.27 -0.53 the power ofdiscrimination was between 0.35 -0.69 The reliability was 0.79 .The data were analyzed through statistical techniques of percentage mean standard deviation and multiple regression. The results were as follows: The Variables Affecting on students Bio-organic chemistry Learning Achievement at .05 level of significant were the Bio-organic chemistry attitude(xl) Achievement motivation in Bio-organic chemistry (-2) predicted at the rate of 15.50 Percent The raw score prediction equation was : A Y = 9.493 + 2.202 Xl + 0.730 X2 The standard score prediction equation was : A Zy = 0.380 ZXI + 0.123 Zx2

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