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Natural Radioactivity In Foods

Radioactivity Radioactive elements (radionuclides) present all around us, including in our daily intake of food and drinks. Radioactive elements will emit radiation during the process by which a nucleus of an unstable atom loses energy. Even though radiation may cause harm to our body, it is important for us to …

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Enviromental Radiation-An Introduction

Monitoring of the environmental radiation (noted as ionizing radiation only will be discussed in this article) is a need and the health effect should be considered. A few worldwide nuclear crises such as Three Miles Island Incident, Goiania Incident, and the latest is the Fukushima-Daiichi Disaster are the lesson learned …

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Effects of smoking on male fertility

Introduction The hazardous effects of the cigarette smoking particularly not only affect the respiratory and cardiovascular systems but will also affect the male fertility. Male fertility refers to the ability of a man to produce high quality of sperm with a normal sperm morphology, count and motility. However, cigarette smoking …

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Rokok Elektronik & Vape

Definisi Rokok Elektronik & Vape Kementerian Kesihatan mendefinisikan peranti elektronik yang mengandungi nikotin adalah dirujuk sebagai ‘rokok elektronik’ (eCig), sementara yang tidak mengandungi nikotin, adalah dirujuk sebagai Vape. Komponen utama Rokok Elektronik dan Vape adalah Bateri Atomiser Katrij Kandungan utama Rokok Elektronik* a) Nikotin b) Propylene Glycol c) Vegetable Glycerin …

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Cannabis

What is cannabis? Cannabis is a plant that has three species. Cannabis sativa is the species that produce chemicals known as cannabinoids. The major cannabinoid of cannabis is ?-9-tetrahydrocannabinol (THC) and is the main psychoactive substance that contributes to the hallucinogenic effect of cannabis. Cannabis is the most widely cultivated, …

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What Is Chromosome?

Introduction In cell’s nucleus, DNA is tightly coiled with histone protein and is packaged into thread-like macromolecule called Chromosome. “Chromosome” is derived from Greek word “ Chroma (colour), Soma (body)” History of Discovery 1866: Gregor Mendel discovered Mendel’s Laws of Inheritance from his work with peas hybridization 1882: Wather Flemming …

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Cytogenetics Test

Cytogenetics is the field of studying chromosomes structure and composition. For diagnostic purposes, cytogenetic test is able to detect abnormalities of human chromosomes’ gross structures and counts. Cases that are relevant to cytogenetic testing include Ambiguous Genitalia Newborns with birth defect Dysmorphism Infertility Mental Retardation Patients’ samples for cytogenetics test …

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Safety and Security of Radiation Sources

Definition Radiation safety refers to protection of personnel against harmful effects of ionizing radiation by taking steps to ensure that people will not receive excessive doses of radiation and by monitoring all sources of radiation to which they may be exposed. Radiation safety measures are taken when working with radioactive …

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