Somkiat Phornphisutthimas

Somkiat Phornphisutthimas
Srinakharinwirot University · Department of Biology

PhD (Science and Technology Education)

About

65
Publications
46,988
Reads
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144
Citations
Additional affiliations
January 2007 - December 2010
Kasetsart University
January 2007 - present
Education
April 2004 - September 2007
Mahidol University
Field of study
  • Science and Technology Education
June 1994 - April 1997
Chulalongkorn University
Field of study
  • Biotechnology
January 1990 - April 1994
Srinakharinwirot University
Field of study
  • Biology

Publications

Publications (65)
Article
Full-text available
The production of seafood waste was studied by analyzing calcium oxide from the shells of tropical oyster and chitosan from the shells of white shrimp to use as a vegetable wash disinfectant. The preparations used were: natural oyster shell powder (NOSP), calcined tropical oyster shell powder in a programmable furnace for 2 h at 700 °C (OSP700), 80...
Article
Full-text available
Nowadays, there are new normal that teachers and learners have always brought up to date, particularly Covid-19 crisis, highly affecting the science learning management. The important issue of science learning management is scientific contexts that are both concrete and abstract. The abstract concepts cannot be taught using only the lecture; theref...
Article
Full-text available
The production of calcium oxide was investigated from waste oyster shells as a value-added application in inhibiting bacteria. Oyster shell powder was prepared in 4 forms: natural oyster shell powder (NOSP) and calcined in a programmable furnace for 2 hours at 700°C (OSP 700), 800°C (OSP 800) and 900°C (OSP 900). All forms were analyzed for physica...
Conference Paper
Full-text available
This research aimed to explore 105 senior secondary students' scientific explanation about digestion. Data were obtained from 6 items of scientific explanation test. A content analysis was employed to categorize the students' answers into 3 ability levels including proficient, basic and novice levels in each component of scientific explanation. Fin...
Conference Paper
Full-text available
Biogas production is one of the means to manage the cassava pulp waste obtained from the cassava processing plants. The success of the process is determined by the hydrolysis in an anaerobic digester. When the digester failure is found, the new microbial consortium inoculum is introduced to the system with the long period of set up time. This resea...
Article
Full-text available
Community food process control is an important factor in the production of the product that results in consumers accepting the quality and increasing the chances of selling the product internally and externally. Local community food production demonstrating identity and inherited local wisdom can enhance the value of a product by the standards of s...
Conference Paper
Full-text available
This research aimed to develop scientific conceptions in the topic of human respiratory system by using the model–based learning. The study group was 32 grade–10 students of a special large–sized school in Bangkok. The one–group pretest–posttest design were performed in this study by using a scientific conception test as collected instrument. The d...
Conference Paper
Full-text available
The effects of NaCl on growth and antioxidant activity in sunflower sprouts were examined by analysis of the growth, photosynthetic pigments, lipid peroxidation, and antioxidant activity. The results showed that the total shoot length and total fresh weight of sprouts in high NaCl concentration were significantly decreased by 25.76% and 18.34%, res...
Conference Paper
Full-text available
This research aimed at developing students’ learning achievement by using problem-based learning (PBL) on the topic of endocrine system. The study group was 34 grade-11 students from a large-sized secondary school in Bangkok. The research instruments were three learning plans, an open-ended question test and a satisfaction form. The finding showed...
Conference Paper
Full-text available
This research aimed at developing the understanding in concepts of “Energy Transformation” of the first-year undergraduate learners by using the STEM Education approach. The study group was 1,149 first-year undergraduates who enrolled in Biology Laboratory I (BI 191) course in academic year 2016 at Srinakharinwirot University. The one-group pretest...
Conference Paper
Full-text available
This research aimed to develop scientific conceptions on the nervous system for students who learned through inquiry learning with multimedia. The study group involved 35 students in the 11th grade from a large secondary school in Bangkok. The research instrument employed were a learning plan and a two-tier multiple-choice question test which inclu...
Conference Paper
Full-text available
The research aimed to develop student’s scientific conceptions in the topic of homeostasis through model-based learning. The study group was 30 of grade-10 students from a large-size secondary school in Bangkok. The research instrument was a 30 two-tier multiple-choice question test (MCQ). The data were analyzed by categorized the students’ concept...
Conference Paper
Full-text available
This research aimed at investigating awareness of plant genetic conservation and well-being of students who learned through 4H approach in the topic of structures and functions of flowering plants using school botanical garden. The study group was 24 of students in academic year of 2016 from a large-sized secondary school in Bangkok by purposive sa...
Article
Full-text available
Allelopathic potential of 5 Apocynaceae plants (Allemanda cathartica L. (branchlets, leaves, inflorescences, sepals and corolla are pubescent), Alstonia scholaris (L.) R.Br., Plumeria obtuse L., Nerium oleander L. and Strophanthus gratus Franch.) leaves-water extracts were determined, and the further studies on solubility and fates in soil of the a...
Article
Full-text available
Allelopathic potential of five Acanthaceae leaves [Thunbergia laurifolia, T. grandiflora, Barleria lupulina, Clinacanthus nutans and Rhinacanthus nasutus] in soil were determined by mixing the blended dry leaves with soil at 1:20 and 1:10 ratios [dry leaf: soil (by weight)]. Twenty seeds of Brassica campestris L. were planted in each 3-inch plastic...
Article
Full-text available
The spread of the wilt diseases in Capsicum annuum L. is a currently major problem that can reduce the product and export rate of chilli. The bacterial wilt diseases were decreased by using biological control to reduce the use of chemicals causing harm to human and environment. This research aimed at studying the effect of aqueous leaf extracts of...
Conference Paper
Full-text available
The research aimed at investigating students scientific conceptions in Biology through model-based learning. The study group was 43 of grade-11th students from a large-size secondary school in Bangkok in the academic year of 2015. The research instrument was a 30 two-tier multiple-choice question test (MCQ). The data were analyzed by grouping into...
Conference Paper
Full-text available
This research aimed to investigating learning achievement and ability in problem-solving on chemistry of life for students through STEM education approach. The study group involved 30 grade-11 students sampled by purposive sampling from a large-size secondary school in Bangkok. The research instruments were laboratory practical (including a topic o...
Conference Paper
Full-text available
This research focused on learning outcome and problem-solving ability of students who learned though problem-based learning in three topics of genetics (i.e., genetic inheritance, genetic modification, and personal identification). The objectives were to a) compare learning outcome between a pretest and a posttest in each topic, and b) compare prob...
Conference Paper
Full-text available
The research aimed to compare students’ scientific problem-solving between before and after through problem-based learning and normalized gain in the all topics such as the gas exchange system, excretory system and circulatory system in upper secondary student and used an experimental on one group pretest-posttest design. The study group is 38 stud...
Conference Paper
Full-text available
The objective of this research was to compare problem solving skills and learning achievement between pretest and posttest. The participants learned about three topics of plant anatomy (i.e. leaf structure and function, water transport in plants, as well as fruit and seed) through STEM education. One-group pretest-posttest design was conducted in t...
Conference Paper
Full-text available
The objective of this research was to compare problem solving skills and learning achievement between pretest and posttest. The participants learned about three topics of plant anatomy (i.e. leaf structure and function, water transport in plants, as well as fruit and seed) through STEM education. One-group pretest-posttest design was conducted in t...
Article
Full-text available
The objectives of this research were to analyze and compare β-glucan contents of yeast isolates from Angthong, Ayutthaya, Saraburi and Lopburi provinces including Candida sp. ATY1, Candida sp. AUY3, C. quercitrusa SRY4, Pichia kudriavzevii LBY2 and Kao-Mak made in the laboratory. β-glucan from yeasts’ cell walls were analysed by spectrophotometric...
Conference Paper
The spread of the wilt diseases in Capsicum annuum L. is currently major problem that can reduce the product and export rate of chilli. The bacterial wilt diseases were decreased by using biological control to reduce the use of chemicals causing harm to human and environment. This research aimed at studying the effect of aqueous extracts of Apocyna...
Article
Full-text available
This research aimed to compare aqueous crude extracts from dry leaves of Ocimum sanctum L., Ocimum basilicum L., Ocimum canum Sims., Ocimun gratissimum L. and Mentha cordifolia Opiz. at the concentration ratios of 1:30, 1:20 and 1:10 [dry leaf : water (w/v)], on seed germination and seedling growth of Pennisetum setosum L. using distilled water to...
Conference Paper
Full-text available
This research aimed to construct biological laboratory instructional unit about “Cellular Respiration” for undergraduate learners for replacing the existing laboratory practical using previous semesters. By investigating of the laboratory practical in both Thai and foreign countries, the result showed that some universities have had no practical, a...
Article
Full-text available
Learning science in the 21st Century is the learning in the context of a large amount of knowledge. Teachers have to digest the knowledge to remain the key concepts that students can use in daily life and expand to social context and global citizenship. Learning assessment is an approach used with learning theories, methods and strategies. Both for...
Article
Full-text available
Effects of Hemigraphis alternata (Burm. f.) T. Anderson using the ratios of dryleaves : distilled water at 1:40, 1:20 and 1:10 (w/v) on seed germination of the two crop species, namely Raphanus sativus L. var. longipinnatus L.H. Bailey and Oryza sativa L., were investigated by using the distilled water as a control in laboratory level. The results...
Article
Full-text available
The aim of this research was to study the ability of the proportion of undergraduates at Faculty of Science, Srinakharinwirot University. The subjects consisted of third-year science education undergraduates in 5 majors, Mathematics, Science–Physics, Science–Chemistry, Science–Biology and General science, Faculty of Science, Srina-karinwirot Univer...
Article
Full-text available
The Water Conservation Youth (WCY) camp was developed from a series of project “Environmental Education Programme”, on the topic of preliminary water quality assessment for secondary students at the local country at Chiangmai. The WCY camps were performed three times: the first at Omkoi district, Chiangmai, the second and third at Ongkarak, Nakorn...
Article
Full-text available
The Water Conservation Youth (WCY) camp was developed from a series of project “Environmental Education Programme”, on the topic of preliminary water quality assessment for secondary students at the local country at Chiangmai. The WCY camps were performed three times: the first at Omkoi district, Chiangmai, the second and third at Ongkarak, Nakorn...
Article
Full-text available
Learning and teaching about sciences, nowadays, is managed by using various learning management to assist learners to have an important competency, using the prior experience to construct the new knowledge in different contexts. The learning and teaching method has been changed from lecture to collaboration between teachers and learners. The teache...
Chapter
The system for intergeneric conjugation has been developed for many actinomycete species including Streptomyces and rare actinomycetes. E. coli donor strains generally used are the methylation proficient strain, S17-1 harbouring tra genes on its chromosome and the methylation-deficient strain, ET12567 containing tra genes in a self-transmissible pl...
Article
Full-text available
This research aimed to study the growth of six cyanobacteria, Anabeana ambigua, Nostoc commune, Spilurina sp., Oscillatoria sp., Oscillatoria salina and Oscillatoria sp. TISTR 8491, on salt stress by increasing of NaCl in BG11 medium, and detect their peroxidase activities. The samples were extracted by phosphate buffer, pH 8.0. The peroxidase acti...
Article
This research aimed at studying the effects of water extracts from leaves of three Acanthaceae, Barleria luplina L., Thunbergia laurifolia L., and Thunbergia grandiflora Roxb., at various concentrations to two tested plants, Chorlis barbata Sw. and Brassica campestris var. chinensis. The results indicated that water extracts of the leaves from Barl...
Article
Full-text available
Fermented bio-extract, a local wisdom, is a solution or mixture of organic residues and sweetener. In general, the dark brown paste from sugar industry or molasses is the sweetener. Its fermentation process is both aerobic and semi-anaerobic depended on the purpose of secondary metabolite uses. The advantage of using fermented bio-extracts is to re...
Article
Full-text available
This research aimed to study the growth of six cyanobacteria, Anabeana ambigua, Nostoc commune, Spilurina sp., Oscillatoria sp., Oscillatoria salina and Oscillatoria sp. TISTR 8491, on salt stress by increasing of NaCl in BG11 medium, and detect their peroxidase activities. The samples were extracted by phosphate buffer, pH 8.0. The peroxidase acti...
Article
Full-text available
Plant Anatomy is a study of internal structures of plants and links to morphology and its functions. There are a few laboratory practicals at the senior secondary level, and the contents are not covered in all plant structures. This research aimed at developing a method to stain plant cells and tissues with fabric dyes that are not toxic to human a...
Article
Full-text available
Allelopathic potential of water-extracts from 5 Acanthaceae leaves [Thunbergia laurifolia L., T. grandiflora Roxb., Barleria luplina Lindl., Clinacanthus nutans (Burm.f) Lindau and Rhinacanthus nasutus Kurz.] were determined using Brassica campestris var. chinensis and Chloris barbata Sw. as test plants. The water extracts of all plant leaves exhib...
Article
Full-text available
This research aimed to detect the enzyme activity during fermentation process of four bio-extracts, which were different ingredient ratios as follows: F1 (cooked rice: molasses = 3:1), F2 (vegetables: molasses = 3:1), F3 (pork: molasses = 3:1), and F4 (cooked rice: vegetables: pork: molasses = 3:3:3:1). The activities of amylase, cellulase, proteas...
Article
Full-text available
Biostatistics is a high difficult subject including the practicals. This research aimed to improve the learning and teaching management by increasing practices containing the contents corresponding to the field of registered learners’ studies, giving learners’ chances to participate both in and out of class, and teaching learners using constructivi...
Article
Full-text available
This research aimed to study effect of fermented bioextracts on germination and growth of mung bean. The seven formulas of bioextract were contained different ingredient ratio named EM1 (banana: molasses = 3: 1) EM 2 (coconut: molasses = 3:1) EM3 (papaya: molasses = 3:1) EM4 (banana: papaya: molasses = 3:3:1) EM5 (banana: coconut: molasses = 3:3:1)...
Article
Full-text available
This research aimed to study the effect of fermented bioextracts on growth of Mung bean. The formula of bioextract, named EM6, was contained papaya: coconut: molasses in a ratio of 3:3:1. 1: 10, 1: 100, 1: 1,000, 1: 10,000 and 1: 100,000 (V/V) of EM6 were investigated for seed germination and growth of Mung bean. The 1: 10,000 (v/v) of EM6 had the...
Article
Full-text available
This research aimed to detect the peroxidase sources from rambutan fruit part, peel, white edible flesh, and seed. The samples were extracted by using phosphate buffer, pH. 7.0. The extracts were measured the peroxidase activity using a mixture of 4-aminoantipyrine, phenol and hydrogen peroxide and incubated at 30oC for 10 minutes. The result showe...
Article
Full-text available
This research aimed to screen the peroxidase sources from ten vegetables, tomato, Chinese white cabbage, cucumber, broccoli, eggplant, carrot, morning glory, pumpkin, yard long bean, and cabbage. The samples were extracted by phosphate buffer, pH. 7.0. The extracts were measured the peroxidase activity using a mixture of 4-aminoantipyrine, phenol a...
Article
Full-text available
This research was to study the effect of salt stress on proline content in snake palm (Salacca zalacca) by observing callus growth under sodium chloride (NaCl) concentrations 0 – 1% (w/v) for 4 weeks. The results revealed that the calli were increasing accumulated of proline content when the concentration of NaCl increased. 0.8% (w/v) of NaCl showe...
Article
Full-text available
Tom Yam is a well-known healthy soup in Thailand. This research developed a dry seasoning with Tom Yam flavour by using a modified Tom Yam formula. Simmering for 30 min and a selected adsorptive method into mushroom were used in the production process. The moisture percentage and L*a*b* colour quality were 70.49%, 36.58, 17.60 and 29.85, respective...
Article
To develop an intergeneric conjugation system for rimocidin-producing Streptomyces rimosus. High efficiencies of conjugation [10(-2)-10(-3) transconjugants/recipient colony forming units (CFU)] were obtained when spores of S. rimosus were heat treated at 40 degrees C for 10 min prior to mixing with E. coli ET12567(pUZ8002/pIJ8600) as donor. Myceliu...
Article
Full-text available
The purpose of this research was to study learning retention in undergraduate biology students on the topic of enzyme properties by using simple enzyme activity from vegetables and fruits. A hands-on practical was developed to simplify detection of enzyme activity of amylase, protease and lipase on starch agar, dry whole milk agar, and tributyrin a...
Article
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This research aimed at investigating the karyotypes of onion and garlic in Thailand: Allium ascalonicum L., A. cepa L. var. aggregatum G. Don, A. cepa var. viviparum (Metzg) Alef., A. fistulosum L., A. ampeloprasum L., A. sativum L. (large cloves), A. sativum L. (small cloves), and A. tuberosum Roxb. To analyse the karyotypes, chromosomes were prep...
Article
Full-text available
This research aimed to construct a hands-on activity for undergraduate students to understand how to detect and compare amylase activity from various sources by using a simple method. The amylolytic activity of extracts from 10 kinds of vegetables, Chinese white vegetable, tomato, cucumber, pumpkin, pea eggplant, carrot, cabbage, morning glory, Chi...
Article
Tom Yam is Thai famous soup that has been processed for seasoning production. However, the seasoning had a lack of flavour as traditional one. This research aimed at developing the quality of dried seasoning from grey-oyster mushroom in both laboratory and scale-up levels. The results revealed that seasoning containing 4.0 x concentration of modifi...
Article
Full-text available
Aphanothece halophytica is a halotolerant cyanobacterium that can grow under sodium chloride concentration range of 0.2 – 3.0 M and can tolerate to mercury, arsenic, and cadmium concentration at 4, 40, and 10 mg/L, respectively [Laloknam et al., 2006; Laloknam et al., 2008]. The aim of this study was to investigate the reduction of mercury (Hg2+),...
Article
This research was to study the growth of snake palm (Salacca zalacca) by observing root germination and root length including callus growth under sodium chloride (NaCl) concentrations 0 – 2% (w/v) for 30 days. The results revealed that the root germination and root length as well as callus growth decreased as the concentration of NaCl increased. Wh...
Article
Full-text available
Bacterial conjugation is a genetic transfer that involves cell-to-cell between donor and recipient cells. With the current method used to teach students in genetic courses at the undergraduate level, the transconjugants are identified using bacterial physiology and/or antibiotic resistance. Using physiology, however, is difficult for both first-yea...
Article
To support student learning in biochemistry and related courses, a simulation program, the Protein Purification Program, offers an alternative multimedia-based tool. This program has now been translated to produce a Thai version. However, translation from the original into the Thai language is limited by the differences between the language charact...
Article
Full-text available
In Streptomyces coelicolor, AtrA is an activator of transcription of the actinorhodin cluster-situated regulator gene actII-ORF4. In previous work, we showed that S. coelicolor AtrA binds in vitro to the promoter of S. griseus strR, the streptomycin cluster-situated regulator. We show here that S. griseus carries a single close homologue of atrA an...
Article
Tom Yam is a Thai famous soup that has been processed for seasoning production. However, the seasoning lacks traditional flavour. This research aimed at investigating the optimal drying condition for seasoning production with Tom Yam flavour from the abalone mushroom. 4× concentration of a modified Tom Yam soup that had mostly been accepted from 15...
Article
The laboratory here describes to assist undergraduate students to understand how to detect and compare protease activity from various sources by using a simple method (1). The proteolytic activity of extracts from 10 kinds of vegetables, Chinese white vegetable, tomato, cucumber, pumpkin, pea eggplant, carrot, cabbage, morning glory, Chinese brocco...
Article
To purify a protein from a complex mixture is important in biochemistry. A JavaScript simulation programme has been written by Andrew G. Booth in English to reinforce the concepts involved in protein purification and to guide the practicals for second-year students in the University of Leeds, UK. This programme was not produced for self-learning: s...

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Projects

Projects (2)
Project
This project intends to study the waste oyster shells to use in various applications, e.g., antibacterial purposes, food preservations.