Judul: Keragaman Genetik Monyet Ekor Panjang (Macaca fascicularis) di Pulau Tinjil Berdasarkan Daerah D-loop DNA Mitokondria.
Abstrak: Macaca fascicularis di Pulau Tinjil dikembangbiakan sebagai hewan model pada penelitian biomedis dan bioteknologi. Perbedaan komposisi genetik dan asal populasi dari hewan model dapat mempengaruhi hasil penelitian. Oleh karena itu, analisis komposisi dan keragaman genetik dari M. fascicularis penting untuk pemilihan secara efisien individu yang akan digunakan, konservasi sumber genetik, dan monitoring keragaman genetik dalam fasilitas penangkaran. Penelitian ini bertujuan menganalisis keragaman genetik berdasarkan daerah Dloop DNA mitokondria dan mengonfirmasi asal usul indukan. Sebanyak 15 sampel darah utuh M. fascicularis diekstraksi dengan QIAmp DNA Blood Mini Kit. Daerah D-loop mt-DNA diamplifikasi dengan primer LqqF (forward) dan Saru5 (reverse). Amplikon sebesar 1200 pb ditentukan runutan basanya dengan teknik sekuensing. Data hasil contig sekuen D-loop disejajarkan dengan program MAFFT UGENE. Keragaman genetik dianalisis dengan perangkat lunak DNAsp v6.11. Rekonstruksi pohon filogenetik dibentuk berdasarkan metode neighbour joining menggunakan MEGA X. Panjang sekuen daerah D-loop yang dianalisis yaitu 921-923 pb dengan 93 situs polimorfik dan empat situs indel. Empat belas haplotipe dihasilkan dari 15 individu. Keragaman nukleotida pada daerah D-loop parsial sebesar 0.029 dan keragaman genetik (h) sebesar 0.990. Hasil rekonstruksi pohon filogenetik menunjukan indukan betina pada populasi Tinjil berasal dari dua lokasi, yakni Sumatera selatan dan Jawa.
Keyword: D-loop DNA mitokondria, intraspesies, keragaman genetik, Macaca fascicularis, Pulau Tinjil

Judul: Long-tailed Macaque (Macaca fascicularis) Morphometry on Tinjil Island
Abstrak: Monyet ekor panjang (Macaca fascicularis) banyak digunakan dalam riset biomedis sebagai hewan model. Salah satu lokasi konservasi M. fascicularis di Indonesia terletak di Pulau Tinjil, Provinsi Banten. Pulau Tinjil termasuk jenis Natural Habitat Breeding Facility (NHBF). Penelitian ini menggunakan 40 ekor MEP di pulau Tinjil dan 30 ekor MEP di fasilitas penangkaran Pusat Studi Satwa Primata. Parameter morfometri mencakup bobot badan, panjang badan anterior, total tinggi kepala, panjang lengan atas, panjang lengan bawah, lebar dada, tebal dada, lebar pinggang, panjang paha, dan panjang betis. Uji Mann-Whitney digunakan untuk membandingkan morfometri MEP di Pulau Tinjil berdasarkan umur dan jenis kelamin. Hasil penelitian menunjukkan bahwa perbedaan ukuran morfometri sangat terlihat pada usia dewasa antara jantan dan betina. Selain itu, perbedaan juga terlihat secara signifikan antara kelompok jantan usia pra-dewasa dan dewasa. M. fascicularis yang berhabitat di pulau Tinjil relatif lebih kecil dibandingkan dengan studi-studi sebelumnya, namun dalam beberapa kategori usia masih masuk dalam rentang ukuran tinggi duduk dan berat badan., Long-tailed macaque (Macaca fascicularis) are widely used in biomedical research as animal models. One of the conservation sites in Indonesia is located on Tinjil Island, Banten Province. Tinjil Island is a Natural Habitat Breeding Facility (NHBF). Research about morphometry of long-tailed macaque on this island is still minimal. This study used 40 macaques on Tinjil Island and 30 macaques in the Primate Animal Study Center captive facility. Morphometric parameters include body weight, anterior body length, total head height, upper arm length, forearm length, chest width, chest thickness, waist width, thigh length, and calf length. The Mann-Whitney test was used to compare morphometry of Macaca fascicularis on Tinjil Island based on age and sex. The results showed that differences in morphometric size were very visible in adulthood between males and females. In addition, significant differences were also seen between groups of pre-adult and adult males. M. fascicularis which lives on Tinjil Island is relatively smaller compared to previous studies, but in several age categories it still falls within the range of sitting height and body weight.
Keyword: Macaca fascicularis, monyet ekor panjang, morfometri, tinjil

Judul: Studying rate of absorption steam by solutions Lithium Bromide (LiBr) as absorbant in absorption refrigeration
Abstrak: Absorption is the process of absorbing a fluid by another fluid to form a fluid solution. In absorption refrigeration system, LiBr as absorbent filters on components of the absorber will absorb water vapor with lower pressure than the evaporator pressure. The rate of absorption of water vapor is a function of concentration, temperature, humidity and pressure of water vapor. The goal of this research is to see the effect of concentration, temperature and vapor pressure of water at the rate of absorption of water vapor by aqueous absorbent filters (LiBr-H2O) in relation to the cooling system, to determine the equilibrium concentration absorption solution of LiBr-H2O, and to determine the sorption isotherm model. Equilibrium concentration is a function of temperature and humidity. Ce at 40oC and RH 60% was found 37%; at 40oC and RH 70% was 34%; at 40o and RH 80% was 29%; at 45oC and RH 60% was 37.5%; at 45oC and RH 70% was 36%; and at 45oC and RH 80% was 34.5%. The calculation results of Qe using Qe sorption isotherm model on temperature 40oC and 45oC were not too different. The calculation results of the percentage errors between Qe data and model from each of the humidity, obtained the lowest percentage of errors in model Freundlich was 0.4% in RH 60% and 70%; 0.3% in RH 80%.
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