Judul: Efektivitas Anestetikum Kombinasi Medetomidin Dengan Ketamin Pada Kucing Lokal (Felis Domestica) Indonesia
Abstrak: Penelitian ini bertujuan untuk mengetahui efektivitas anestetikum kombinasi medetomidin dengan ketamin pada kucing lokal (Felis domestica). Sebanyak dua puluh ekor kucing yang telah dewasa kelamin dengan bobot badan 3-5 kg dibagi menjadi empat perlakuan dan masing-masing perlakuan menggunakan lima ekor kucing sebagai ulangan. Kelompok tersebut ialah kucing percobaan yang tidak mendapatkan anestesi (Kontrol), kucing percobaan yang disuntik ketamin dengan dosis 20 mg/kg BB (perlakuan 1), kucing percobaan yang disuntik medetomidin dengan dosis 0.15 mg/kg BB (perlakuan 2), dan kucing percobaan yang disuntik dengan medetomidin dosis 0.1 mg/kg BB dan sesaat setelahnya disuntik dengan ketamin dosis 10 mg/kg BB (perlakuan 3). Sediaan anestetikum diberikan pada kucing secara intramuskuler (IM). Parameter yang diamati terdiri atas onset, durasi, frekuensi napas, frekuensi jantung, dan suhu rektal. Hasil penelitian ini menunjukkan bahwa kombinasi anestesi medetomidin-ketamin memiliki efektivitas yang lebih baik jika dibandingkan dengan anestesi ketamin maupun medetomidin. Anestesi kombinasi medetomidin-ketamin memiliki onset yang lebih cepat sekitar 3 menit dibandingkan medetomidin dan sekitar 8 menit dibandingkan ketamin. Kucing yang disuntik kombinasi medetomidin-ketamin memiliki durasi yang lebih lama sekitar 78 menit dibandingkan medetomidin dan sekitar 172 menit dibandingkan ketamin. Anestesi kombinasi medetomidin-ketamin menghasilkan tekanan yang minimal terhadap kondisi fisiologis tubuh yang meliputi fungsi pernapasan, fungsi jantung, dan suhu tubuh. Kesimpulan yang diperoleh dalam penelitian ini ialah kombinasi medetomidin-ketamin efektif digunakan sebagai alternatif sediaan anestesi pada kucing lokal.
Keyword: anestesi, ketamin, kombinasi, kucing, medetomidin

Judul: Potensi Kombinasi Anastetikum Xylazin- Medetomidin Pada Kucing Lokal (Felis domestica).
Abstrak: Xylazine and medetomidine preparations most used as anesthetic. Both single dose xylazine and medetomidine has advantages and disadvantages in application, so some research was done to find out the effect combination xylazinemedetomidine. Twenty four adult cats with body weight between 3.5-5 kg in age of 2-3 years old are divided into four groups treatment and six repeatation. The groups are the ones not receive anesthesia treatment (controls), a group of xylazine at a dose 0.1 mg/kg weight (group I), a group of medetomidine at a dose 0.05 mg/kg weight (group II), and a group of xylazine 0.1 mg/kg weight combination with medetomidine 0.05 mg/kg weight (group III). The results shows cats injected with xylazine-medetomidine has a rapid onset compared to single dose of xylazine and medetomidine. The duration of preparations in a cats injected with combination of xylazine-medetomidine is longer than xylazine and medetomidine preparations. The respiration frequency of heart shows same decrease pattern and not significant. The group xylazine-medetomidine can keep cats body temperature stable during the process of anesthesia, Conclusion in this study is the combination of xylazine and medetomidine effectively used as an alternative anesthesia in local cats.
Keyword: anesthesia, combinations, local cats, medetomidine, xylazine

Judul: Characterizations of low alloy steel sae 4422  plated with chromic acid (Cro3)
Abstrak: Characterizations of low alloy steel SAE 4422 plated with chromic acid (CrOrO3) was use Optical Microscopy (OM), Scanning Electron Microscopy (SEM), X-Ray Diffraction (XRD), RD),Energy Dispersive Analysis of X-Ray (EDAX), Hardness Test and Roughness Test. Microstructures analysis exhibits cracks and grain boundaries microcracks as a characteristics of chrome metal found at plating metal. Perlite and Ferrite as grains of steel found at base metal with grain boundaries around it. Phase analysis of plating metal appropriate to chrome metal with lattice constant (a) is 2.559 Å and phase analysis of base metal appropriate to iron ferrite with lattice constant (a) is 3.318 Å. Both plating and base metal have cubic system. Chemical analysis of plating metal at surface section exhibits that cracks area have highest value of carbon element compare with grains and grains boundaries area. While chemical analysis of base metal at cross section exhibits that perlite have highest value of carbon element compare with ferrite and grain boundaries. The hardness value of plating metal at surface section and cross section are 753 and 637 VHN. While, the hardness value of base metal and interface area at cross section are 205 and 373 VHN. The roughness value at measurement points of chrome surface for as received sample are 0.445 μm. Observation used Optical Microscopy and Scanning Electron Microscopy exhibits surface irregularities combine to form surface texture of plating metal at surface section.
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