Judul: Cacing ektoparasit pada kura-kura (Cuora amboinensis) air tawar di Daerah Banten
Abstrak: Parasit merupakan organisme yang hidup pada atau di dalam tubuh organisme lain (inang). keberadaan parasit dapat mengganggu kehidupan inang. Akibat yang paling fatal bila tetjadi infestasi secara besar-besaran dapat menyebabkan kemalian bagi inang tersebut. Pada penelitian ini dilakukan inventarisasi dan identifikasi cacing ektoparasit pada kura-kura air tawar yang diperoleh dari pedagang pengumpul di daerah Banten. Dari 189 ekor kura-kura yang terkumpul, 23 ekor (12.2 %) terinfestasi oleh cacing kelas Trematoda ordo Monogenea. Ditemukan 62 ekor cacing ektoparasit, 35 ekor dari karapas, 25 ekor dari plastron dan 2 ekor dari leher. Hasil identifikasi menunjukkan bahwa 62 ekor cacing tersebut tergolong dalam 4 superfamili yaitu Gyrodactiloidea, Tetraoncoidea, Acanthocotyloidea dan Dactylogyroidea. Identifikasi sampai famili hanya dapat dilakukan pada superfamili Tetraoncoidea dan Acanthocotyloidea. Lokasi penangkapan tidak menunjukkan adanya hubungan dengan jenis cacing yang menginfestasi. Prevalensi parasit pada kura-kura sebesar 100 % dan intensitas infestasi sebesar 4.21 parasit lindividu inang
Keyword: 

Judul: Inventarisasi dan identifikasi tungau ektoparasit pada cicak di Bogor
Abstrak: Organisme ektoparasit yaitu organisme yang hidup di permukaan tubuh inangnya, menghisap darah atau memakan rambut, kulit, atau sekresi kulit. Ahli parasit reptilia menemukan tempat perkembangbiakan ektoparasit pada reptilia, namun informasi mengenai tungau ektoparasit pada anggota reptilia khususnya cicak di Indonesia belum ada. Penelitian ini merupakan penelitian pertama di Indonesia. Penelitian ini bertujuan untuk menginventarisasi dan mengidentifikasi tungau ektoparasit yang menginfestasi cicak di wilayah Bogor. Cicak dikoleksi di wilayah Bogor Tengah dan Bogor Barat dengan menggunakan metode road sampling. Tungau ektoparasit diambil menggunakan sonde kemudian diawetkan dalam alkohol 70%. Pembuatan preparat tungau menggunakan metode sediaan utuh dan preparat tungau dijernihkan di laktofenol. Hasil penelitian menunjukkan bahwa tungau ektoparasit melekat di bagian kepala, ketiak, jari depan, dan belakang, pangkal paha, ekor badan dan telinga cicak Cosymbotus platyurus, Hemidactylus frenatus, dan Hemidactylus garnotii. Tungau tersebut berwarna jingga tua ketika ditemukan di beberapa bagian tubuh cicak. Ciri dari tungau tersebut yaitu memiliki skutum dorsal tubuh dan banyak rambutrambut pendek di bagian dorsal tubuh.Tungau tersebut termasuk dalam Famili Pterygosomatidae, Genus Geckobia. Infestasi tungau tertinggi pada C. platyurus yaitu di bagian telinga (49 tungau), sedangkan pada H. frenatus (191 tungau) dan H. garnotii (10 tungau) adalah di jari belakang. Nilai tertinggi rataan infestasi tungau tiap cicak ada pada H. frenatus (18.2).
Keyword: 

Judul: Algorithm Construction of HLI Hash Function
Abstrak: Cryptography is a study of mathematical techniques related to aspects of information security regarding on confidentiality, data integrity, entity authentication, and data origin authentication. Data integrity is a service, which is associated with the conversion of data carried out by unauthorized parties. To maintain data integrity, one can use hash functions. An hash function is a computationally efficient function to map an arbitrary length bitstring to a fixed length bitstring called as hash value. The use of hash function in maintaining the information integrity and authentication is in digital signatures, virus protection, and software distribution. Illustration of the hash function in the integrity and authentication of information that is emailed as follow. The sender sends the information and hash value to the recipient. If the hash value of the information is equal to the hash value that is sent by the sender, then information has not been changed. Otherwise the information has been changed. An hash function has two properties, one way and collision resistance. An hash function is called one way if it is computationally infeasible to find any input such that when given any hash value . Meanwhile an hash function is called collision resistant if it is computationally infeasible to find any two inputs where such that . The purpose of this study is to construct a HLI hash function algorithm, to analyze the speed and security of the hash functions as a results of construction. Furthermore, it is to compare it with SWIFFT. Hash function is constructed based on the result of algebraic operations on modular polynomial ringwith . Modular polynomial ring noted as is a set of all polynomials of degree at most with coefficients in . can be represented as a set of integer vector of modulo in dimension . So, it is simple to implement in a computer. In vector operations, is lattice . Furthermore, alattice that is defined from certain polynomial ring is called ideal lattice. HLI hash function is consists of addition and multiplication algorithm in the ring. Addition algorithm consists of sumation operations of modulo and multiplication consists of multiplication operations of modulo . Generally, algorithm of HLI hash function consists of multiplication operations of modulo and addition operations of modulo . However, if the input is binary number then multiplication algorithm only consists of multiplication operation of modulo , so algorithm of HLI hash function consists of multiplication operations of modulo and addtion operations of modulo . An hash function is secured if it has two properties, i.e., one way and collision resistance. HLI hash function hash is one way, it is following the proof of Micciancio. It is has collision resistant because of polynomial is irreducible over and monic. Moreover, it is proved that for every unit vector , the vector is small vector. If the input of hash function is a binary number then HLI hash function only involves addition operations of modulo . So the time that used almost same with SWIFFT. The excellence of HLI hash function is the key size smaller than SWIFFT. This effect on
Keyword: hash function, modular polynomial ring, lattice