Tinospora cordifolia is commonly known as Gulancha in Bangladesh is belongs to Menispermaceae family and it is also available all over the world. It is widely used as a unique ingredient of various natural medicine and traditionally use for numerous aliment like fever, vomiting, diabetes, jaundice, anaemia, polyuria and skin diseases etc. It has hypoglycemic, antipyretic, anti-allergic, Antineoplastic, anti inflammatory, antioxidant, and immuno modulatory properties. A variety of constituents have been isolated from different parts of Tinospora cordifolia, mainly contains alkaloids like Aporphine alkaloids, clerodane diterpenes, berberine, palmatine, tembertarine, tinosporin, magniflorine, choline, Berberine, Palmatine, Tembetarine, Magnoflorine Choline, Tinosporin etc. and Glycoside like Tinocordiside, Tinocordifolioside, steroids, essential oils, mixture of fatty acids and polysaccharides are found in Gulancha plant. This review presents a detailed survey of the literature on traditional and modern knowledge of Tinospora cordifolia for health benefit.
<p>E-learning has broadly become an important enabler to promote distance education (DE) and lifelong learning in most of the developed countries, but in Bangladesh it is still a new successful progressive system for the learning communities. Distance education is thought to be introduced as an effective way of educating people of all sections in Bangladesh. Bangladesh Open University (BOU), the only distance education provider in Bangladesh, has been trying to adopt the use of various e-learning materials for its distance delivery. This paper has tried to describe the current progress of quality e-learning for expanding distance education, identifying the major problems of e-learning in distance education at tertiary level in Bangladesh, with special reference to BOU, and finally to put forward some valuable recommendations for solving the problems. The study is based on both primary and secondary sources. It is observed from the research that e-learning is going to ensure its bright prospect as an alternative mode of education at the tertiary level in Bangladesh. There are several problems that are identified and can be mitigated and solved through Information and Communication Technology (ICT) development, greater acceptance by learners, and much research in this sector in Bangladesh to face globalization.</p>
An electronic transaction system is a set of participants and their interactions towards an efficient and secured exchange of message between the participants. A secured electronic message transaction system has been designed, developed and implemented where Hill Cipher Cryptosystem is used as the encryption-decryption process with dynamic keys. For this process, any transacted message is to be inputted into the proposed system, and then a matrix of the message length is calculated with its inverse matrix. The calculated inverse matrix is sent to the receiver where he/she used it as the key for the cryptosystem. The key matrix and the Hill Cipher technique have been used to generate the cipher text. The message digest algorithm MD5 operations have been used on the message to generate the digest of the message. The generated digest is concatenated with the encrypted message and is sent to the destination. In the receiver end, the intended receiver first computes the digest of the message by performing the message digest algorithm MD5 and compares it with the received digest that establishes the data integration and non-repudiation of the proposed system. The receiver then decrypts the received encrypted message using the Hill Cipher technique with the received inverse matrix and retrieve the message properly which establishes the message confidentiality and authentication. The proposed system has been implemented using the Java programming and analyzed for several applications. Finally, the fundamental security services have been measured and analyzed. This may be applicable for cryptographic applications.
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