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Kota madiun,
Jawa timur
INDONESIA
Jurnal Florea
Published by Universitas PGRI Madiun
ISSN : 23556102     EISSN : 25020404     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Florea: Jurnal Biologi dan Pembelajarannya with registered number ISSN 2355-6102 (Print); ISSN 2502-0404 (Online) is scientific journals which publish articles from the fields of biology and biology education.
Arjuna Subject : -
Articles 3 Documents
 1 
Search results for , issue "Vol. 12 No. 2 (2025)" : 3 Documents clear
Comparison of Albumin Level Test Results with Serum and EDTA Plasma Samples : Comparison of Albumin Level Test Results with Serum and EDTA Plasma Samples Rinza Rahmawati Samsudin; lihabi, lihabi; Fitrotin Azizah; Haris Rizki Maulana
Florea : Jurnal Biologi dan Pembelajarannya Vol. 12 No. 2 (2025)
Publisher : UNIVERSITAS PGRI MADIUN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/florea.v12i2.22995

Abstract

Blood albumin level testing is an important parameter in assessing nutritional status and liver function. In clinical laboratory practice, the use of serum or EDTA plasma as biological samples remains a subject of debate, particularly regarding the efficiency and accuracy of results. This study aims to compare albumin level test results using serum and EDTA plasma samples. Blood samples were collected from 20 participants and analyzed using spectrophotometry. The average albumin level in serum samples was 4.285 g/dL, while in EDTA plasma it was 4.280 g/dL. The Shapiro-Wilk normality test indicated a normal data distribution (p>0.05), and the paired t-test yielded a p-value of 0.804 (>0.05), indicating no significant difference between the two sample types. These findings suggest that EDTA plasma can serve as an alternative to serum in albumin testing, with the advantage of improved processing efficiency.
Morphological, Anatomical, and Phytochemical Responses of Celosia argentea to Light Intensity Fredella Josenia, Carlen; Setiawati, Tia; Marheny Lukitasari; Hasan, Rusdi
Florea : Jurnal Biologi dan Pembelajarannya Vol. 12 No. 2 (2025)
Publisher : UNIVERSITAS PGRI MADIUN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/florea.v12i2.23218

Abstract

This study investigates the phytochemical content and morpho-anatomical characteristics of Celosia argentea L. plants grown under different light intensities in the Embung Leuwi Padjadjaran area. Leaf samples were collected from shaded and unshaded locations to compare their responses to varying light conditions. Phytochemical analysis revealed that plants in higher light intensity areas tended to have increased levels of specific phytochemical compounds, which is crucial for the plant's defense mechanisms. Furthermore, the research found morphological and anatomical differences, such as greater leaf thickness and a lower stomatal density in unshaded plants. Conversely, shaded plants exhibited higher chlorophyll content and larger leaf areas, which are adapted to low-light environments. The study concludes that varying light intensity significantly influences the morpho-anatomical features and phytochemical composition of Celosia argentea L., with shaded conditions promoting adaptations for light capture and unshaded conditions increasing certain phytochemicals and leaf thickness.
Development of Student Worksheets (LKPD) Based on Problem Based Learning (Pbl) on The Material of Transport and Exchange of Substances in Humans, Phase F SMA/MA Sri Wahyuni; Ade Dewi Maharani; Vivi Fitriani
Florea : Jurnal Biologi dan Pembelajarannya Vol. 12 No. 2 (2025)
Publisher : UNIVERSITAS PGRI MADIUN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/florea.v12i1.21983

Abstract

In the learning process, teaching materials and LKPD are needed to train students' abilities in learning. However, the teaching materials used are not yet appropriate due to the lack of material in the textbooks, in addition, the number of textbooks is still limited, resulting in less effective learning. This will certainly be less effective learning because the textbooks or printed books provided by the school do not match the number of students. This supports the LKPD research which will later become one of the new teaching materials by teachers and students because by using LKPD, learning time can be optimized well and by using LKPD students will be easier in the learning process. The purpose of this study is to produce LKPD Based on Problem Based Learning (PBL) on the material of transport and exchange of substances in humans for SMA/MA which is valid and practical. The development research uses the 4D model. This model has four stages of development, namely the define , design , develop and disseminate stages . This research was conducted until the develop stage , namely the validity test and practicality test. The assessment instruments carried out at this stage consisted of validity and practicality questionnaires, this validity questionnaire consisted of content feasibility, language, didactical, and graphical, while the practicality questionnaire consisted of ease of use, benefits. The data were analyzed using percentage techniques and processed using descriptive analysis or determining the highest score and the final value of validity and practicality. Based on the results of the research test, the developed LKPD is very valid with a value of (89%), the results of the practicality test by 2 biology teachers on the developed LKPD are very practical (92%), and the practicality of 31 students is very practical (87%). Based on the results of the validity and practicality tests, it can be concluded that the student worksheet (LKPD) based on problem based learning (PBL) on the material of transport and exchange of substances in humans for phase f of SMA 1 Akabiluru Kab. Lima Putuh Kota which was developed is very valid and practical.

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