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Hyper-encryption Scheme for Data Confidentiality in Wireless Broadband (WiBro) Networks
( Abdul Hamid ),( Choong Seon Hong ) 한국정보처리학회 2007 한국정보처리학회 학술대회논문집 Vol.14 No.1
We address the data confidentiality for wireless broadband (WiBro) networks. In WiBro, as the channel is wireless in nature, it suffers from passive and active attack. Passive attack, for example is to decrypt traffic based on statistical analysis and active attack is to modify traffic or inject new traffic from unauthorized mobile stations. Due to high mobility, frequent session key distribution is a bottleneck for the mobile stations. In aspect of WiBro, there is a communication between mobile station to base station, and also in mobile station to mobile station. It is expected to ensure data confidentiality while maintaining minimum overhead for the resource constrained mobile stations. In this paper, we proposed a security framework based on the concept of hyper-encryption to provide data confidentiality for wireless broadband networks.
Hamid, Mariani Abdul,Sarmidi, Mohamad Roji,Park, Chang Seo D.A. Spandidos 2012 INTERNATIONAL JOURNAL OF MOLECULAR MEDICINE Vol.29 No.2
<P>Melanin synthesis is stimulated by various effectors, including α-melanocyte stimulating hormone (α-MSH), cyclic AMP (cAMP)-elevating agents (forskolin, isobutylmethylxantine, glycyrrhizin) and ultraviolet light. Our investigation focused on the identification of the melanogenic efficacy of mangosteen (Garcinia mangostana) leaf extract with regard to its effects on melanogenesis in B16F1 melanoma cells, since it has been known to possess strong anti-oxidant activities. The mangosteen leaf extract was found to stimulate melanin synthesis and tyrosinase activity in a dose-dependent manner without any significant effects on cell proliferation. Cytotoxicity of the extract was measured using a 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay; the highest concentration of the extract that did not affect cell viability was 32 ?g/ml. Formation of melanin from cultured B16F1 melanoma induced by extract treatment was estimated using spectrophotometry. In order to clarify the subsequent mechanism of tyrosinase activation by the extract, the levels of tyrosinase expression in B16F1 melanoma were examined using an intracellular tyrosinase assay and tyrosinase zymography. Up-regulation of intracellular tyrosinase expression seemed to correlate with an increase in microphtalmia-associated transcription factor (MITF) protein levels since MITF is the key factor for genes involved in melanogenesis. Both of the results showed that tyrosinase activity was markedly enhanced from extract-treated cells. The overall results suggest that mangosteen leaf extract may be a promising candidate for the treatment of hypopigmentation disorder and useful for self-tanning cosmetic products.</P>
Generalized difference sequence spaces
ABDUL HAMID GANIE 장전수학회 2020 Advanced Studies in Contemporary Mathematics Vol.30 No.2
In the present paper, we will bring out the new techniques of combining the generalized B- dierence sequence spaces with binomial mappings and the Δ operator. Moreover, the basic properties of these spaces will be taken care of.
Islamic International Law and the Right of Self-Defense of States
Abdul Ghafur Hamid,Khin Maung Sein (사) 이준국제법연구원 2009 Journal of East Asia and International Law Vol.2 No.1
Islamic international law is a branch of the Shari’ah (Islamic law). Due to the classical doctrine of the notion of‘ Jihad,’there have been misconceptions and Islam has been painted as a religion encouraging violence and war. This paper appeals for the reconsideration of the classical doctrine, which was adopted at a time when there was a state of war between Islamic and non-Islamic states. Going back to the roots and referring to the Qur’an and the Sunnah: the two primary sources of Islamic law, the paper argues that Islam prohibits aggressive war and that the essence of‘ jihad’ is‘ self-defense.’After elaborating the essential conditions of the right of self-defense, the paper concludes that Islamic international law can contribute much to the present world order by providing moral and ethical values that modern international law is lacking.
CERTAIN SEQUENCE SPACES USING Δ-OPERATOR
ABDUL HAMID GANIE,ANTESAR ALDAWOUD 장전수학회 2020 Advanced Studies in Contemporary Mathematics Vol.30 No.1
The aim of this paper is to introduce the new type of generalized B- dierence sequence spaces by the combination of binomial mappings and the 4 operator. We also study their topological properties.