Skip to main content

احذري تخزين عطورك في الحمام!



تتسبّب الرطوبة العالية الموجودة عادةً في الحمام، إلى جانب الحرارة التي قد ترتفع نسبياً عند الإستحمام، بتفكّك الزيوت العطرية الموجودة في تركيبتها. هذا الأمر يتسبب بأضرار لا يمكن عكسها في بنية العطر، لتتغير رائحته، ويصبح غير قابل للإستعمال بشكل كليّ مع الوقت!

فما هو المكان الأمثل لتخزين العطر؟

في الواقع، يلجأ النساء تلقائياً إلى تفضيل الموضع الأمثل لتخزين العطر كخيار ثاني، ألا وهي غرفة النوم! فتستطيعين إمّا وضعه داخل درج مغلق، أو تركه على المنضدة شرط ألّا يتعرض بشكل مطول لأشعة الشمس المباشرة التي قد تؤثر على نوعيته بشكل سلبي أيضاً.
 

Comments

Popular posts from this blog

Haematology summary 18

  Chapter 18 in haematology (chroinc lymphoid leukaemias)summary -Chronic lymphocytic leukaemiaes are characterized by the accumulation of mature B or T lymphocytes in the blood. -Individual subtypes are distinguished on the basis of morphology,immunophenotype and cytogenetics. -Chronic lymphocytic leukaemia (CLL,B cell) represents 90% of cases and has a peak incidece between 60 and 80 years of age .There is genetic predisposition to development of the disease. -Most cases are indenified when a routine blood test is performed the patient can develope enlarged lymph nodes ,splenomegaly and hepatomegaly. -Immunosuppression is asignificant problem because of hypogammaglobuilaemia and cellular immune dysfunction. -Anaemia may also develop because of autoimmune haemolysis and bone marrow in filtration. -Diagnosis is usually performed by immuophenotypic analysis of peripheral blood which reveals aclonal population of CD5 + ,CD23 + B cells. -The best gu...

viruses

Viruses -Virus : obligate intracellular parasites . -Virus contain two genomes DNA or RNA But not both . which contain :- ss : single stranded . ds : double stranded -Capsid :- protein shell that enclose the viral genome . -Capsid symmetry : (( cabic – helical – complex )) -Viral Enveloped : help in infect host and composed of lipid bilayer and glycoprotein -Bacterophage :- viruses that infect bacteria cell ( prokaryotic ) -Virion :- complete virus particle : nuclic acid + protein . it is extracellular phase of virus (( before virus enter host cell )) -Vector virus passed from host to host through direct contact and vector . -Nucleocapsid :- viral nucleic acid + protein coat . -Viroids : is naked circular single strand RNA that infect plants . it is the smallest known pathogens . -Prions :- is infectious proteins cause brain disease e.g :- mad cow and CJD in human . -DNA viruses replicate in nucleus of host except " poxvirus " ...

Haematology summray 7

Chapter 7 in Haematology (Genetic disorder of haemoglobin) summary   -Genetic disorders of haemoglobin fall into two main groups: 1-The thalassaemias in which synthesis of the alpha or beta globin chain is reduced. 2-Structural disorders in which an abnormal haemoglobin is produced. -The alpha or beta thalassaemias occur clinically as minor forms with microcytic hypochromic red cells and a raised red cell count with or without anaemia.total absece of function of all four alpha globin genes causes hydrops fetalis. -Total absencce of function of both beta globin genes causes beta thalassaemia major , a transfusion –dependent anaemia associated with iron overload. Thalassaemia intermedia is a clinical term for a group of disorder showing mild to moderate anaemia and is usually caused by variants of beta thalassaemia. -The most frequent structural defect of haemoglobin is the sickle mutation in the beta globin chain causing, in the homozygous form, a sever haem...