Mind Mapping dalam Pembelajaran Struktur Atom pada Siswa Kelas X SMA Negeri 1 Palu

Teaching and learning is a process involving interaction with active communication between students and teacher in educational activities. Therefore we need a method of learning that is focused to the students. That is why required a learning model that empowers students to be more actively involved in the learning process at schoolis mind mapping. The aim of this study is to describe and determine the differences in use mind mapping in class X SMA Negeri 1 Palu on the subject of atomic structure. The population in this research was class X (n =408 student) academic year 2013/2014. The sample of this research was class X 3 (using mind mapping method) while class X 5 as the control class (using concept maps), both of class have 34 students. Data collected was conducted by instruments, namely test results of studying chemistry at the atomic structure which has been validated before. The examination of data was conducted by using statistical analysis two tailed t-test with the prerequisite tests (normality and homogeneity test). The average score in the experimental class is 77.15 while the average score in control class is 68.44. Based on statistical hypothesis testing to two tailed t-test obtain tcalculation = 10.89 > ttable = 2.00 at α = 0.05 with criteria if Ho is accepted tcalculationttable(1–α), (n1 + n2). As result, H0 is not accepted due to tcalculation was in the rejection area of Ho. This indicates that there are differences in student learning outcomes through the application between the mind mapping and the concept maps methods in class X SMA Negeri 1 Palu

Pengaruh Kualitas Pelayanan Terhadap Kepuasan Dan Loyalitas Mahasiswa (Studi Pada Mahasiswa Strata I Fakultas Ilmu Sosial Dan Ilmu Politikuniversitas Merdeka Malang)

Penelitan ini dilatarbelakangi oleh perkembangan dunia bisnis saat ini telah banyak kita temui suatu Perusahaan yang telah memasuki dunia pasar jasa. Hal itulah yang membuat suatu Perusahaan berlomba-lomba menawarkan kualitas pelayanan yang bera-gam dan terbaik.Tujuan dilakukan penelitian ini adalah untuk mengetahui seberapa besar pengaruh variabel kualitas pelayanan dalam mempengaruhi kepuasan dan loyalitas maha-siswa. Populasi dalam penelitian ini adalah mahasiswa Universitas Merdeka Malang Fakul-tas Ilmu Sosial Ilmu Politik sebanyak 207 responden dengan menggunakan teknik Slovin. Metode dalam penelitian ini adalah deskriptif kuantitatif. Data yang telah meme-nuhi uji validitas dan reliabilitas, maka melalui analisis Path.Penelitian ini menggunakan metode deskriptif kuantitatif. Hasil dari penelitian ini adalah kualitas pelayanan berpe-ngaruh signifikan terhadap loyalitas. Kualitas pelayanan berpengaruh signifikan terhadap kepu-asan dan kepuasan berpengaruh signifikan terhadap loyalitas

Mercuric Ions (II) Uptake From Aqueous Solutions by Chelating Resin Containing Pendant Multidentate Ligand

The toxic nature and other adverse of the heavy metals lead to pollution and make it one of the most serious problems that affect certain sides of the environment. There are many heavy metal ions like the mercuric ions detected in industrial wastewaters originating from several factors such as from metal plating, mining activities, paint manufacture, etc. The above-mentioned ions isn't biodegradable and tends to be accumulated in living organisms, causing various diseases and disorders. Therefore, it must be removed from aqueous solution before discharge. In this paper, an experimental work it has been done regarding the optimal conditions of removing Hg (II) ions from water using chelating ion exchange resin namely XAD- & Pendant Multidentate Ligand Resin. The adsorption behaviour of mercury ions on XAD-& Pendant Multidentate Ligand Resin was studied as a function of the following variables: contact time, pH solutions, initial concentration of metal ions and resin dosage the adsorbent's maximum total adsorption capacity of for mercuric ions was: 0.82 mmol/g dry resin. The resin low affinity towards alkali and alkaline earth metals shows its use for samples that related to environment. The concluded results state that, XAD- & Pendant Multidentate Ligand Resin holds great potential for the purpose of removing mercuric ions from polluted wastewater

Sustainable environment through using porous materials:a review on wastewater treatment

Porous materials play an important role in creating a sustainable environment by improving wastewater treatment's efficacy. Porous materials, including adsorbents or ion exchangers, catalysts, metal–organic frameworks, composites, carbon materials, and membranes, have widespread applications in treating wastewater and air pollution. This review examines recent developments in porous materials, focusing on their effectiveness for different wastewater pollutants. Specifically, they can treat a wide range of water contaminants, and many remove over 95% of targeted contaminants. Recent advancements include a wider range of adsorption options, heterogeneous catalysis, a new UV/H2O2 procedure, ion exchange, Fenton oxidation, membrane activities, ozonation, membrane bioreactor, electrochemical treatment, wet air oxidation, and a carbon capture methodology utilizing various porous materials. A particular focus for innovative research is on developing technologies to synthesize porous materials and assess their performance in removing various pollutants from wastewater at varying experimental conditions. Porous materials can be essential in designing wastewater treatment systems to address the critical environmental issues of water stress and safe drinking water worldwide.</p

Sustainable environment through using porous materials:a review on wastewater treatment

Porous materials play an important role in creating a sustainable environment by improving wastewater treatment's efficacy. Porous materials, including adsorbents or ion exchangers, catalysts, metal–organic frameworks, composites, carbon materials, and membranes, have widespread applications in treating wastewater and air pollution. This review examines recent developments in porous materials, focusing on their effectiveness for different wastewater pollutants. Specifically, they can treat a wide range of water contaminants, and many remove over 95% of targeted contaminants. Recent advancements include a wider range of adsorption options, heterogeneous catalysis, a new UV/H2O2 procedure, ion exchange, Fenton oxidation, membrane activities, ozonation, membrane bioreactor, electrochemical treatment, wet air oxidation, and a carbon capture methodology utilizing various porous materials. A particular focus for innovative research is on developing technologies to synthesize porous materials and assess their performance in removing various pollutants from wastewater at varying experimental conditions. Porous materials can be essential in designing wastewater treatment systems to address the critical environmental issues of water stress and safe drinking water worldwide.</p

Thiol modified mycolic acids

Patient serum antibodies to mycolic acids have the potential to be surrogate markers of active tuberculosis (TB) when they can be distinguished from the ubiquitously present cross-reactive antibodies to cholesterol. Mycolic acids are known to interact more strongly with antibodies present in the serum of patients with active TB than in patients with latent TB or no TB. Examples of single stereoisomers of mycolic acids with chain lengths corresponding to major homologues of those present in Mycobacterium tuberculosis have now been synthesised with a sulfur substituent on the terminal position of the -chain; initial studies have established that one of these binds to a gold electrode surface, offering the potential to develop second generation sensors for diagnostic patient antibody detection.MMS and ADS wish to acknowledge support from the Government of Iraq through the award of PhD studentships.http://www.elsevier.com/locate/chemphysliphb2017BiochemistryChemistr