GAMBARAN DERAJAT KEASAMAN (pH) DAN OPTICAL DENSITY (OD) PADA REAGEN KERJA ALANINE AMINOTRANSFERASE (ALT)

Swastika, Ellysa Intan (2022) GAMBARAN DERAJAT KEASAMAN (pH) DAN OPTICAL DENSITY (OD) PADA REAGEN KERJA ALANINE AMINOTRANSFERASE (ALT). Diploma thesis, Poltekkes Kemenkes Yogyakarta.

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Official URL: http://www.poltekkesjogja.ac.id

Abstract

pemeriksaan kerusakan sel hati. Cara manual pemeriksaan ini harus menyampurkan reagen kerja terlebih dahulu. Cara tersebut membuat reagen kerja tersisa dan digunakan pada hari selanjutnya dengan melakukan penyimpanan. Penyimpanan reagen kerja akan mempengaruhi nilai pH dan nilai OD (Optical Density). Tujuan penelitian ini untuk mengetahui gambaran nilai pH dan nilai OD pada nilai aktivitas ALT yang dilakuakan penyimpanan selama 2 hari, 4 hari dan 6 hari pada suhu ruang terkontrol (25°C). Metode penelitian yang digunakan merupakan jenis penelitian deskriptif dengan desain penelitian cross sectional study. Serum yang digunakan berjumlah 5 yang berasal dari mahasiswi berusia 20-21 tahun dalam keadaan sehat. Dilakukan pemeriksaan nilai pH dan nilai OD terhadap reagen kerja ALT segera digunakan dan disimpan selama 2 hari, 4 hari dan 6 hari pada suhu ruang terkontrol (25°C). sehingga diperoleh 4 data nilai pH dan nilai OD serta 100 data nilai aktivitas ALT. Rerata nilai pH hasil penelitian yang telah dilakukan mengalami penurunan pada reagen kerja yang disimpan selama 2 hari, 4 hari dan 6 hari. Nilai OD mengalami kenaikan pada penyimpanan reagen kerja selama 2 hari dan mengalami penurunan pada penyimpanan 4 dan 6 hari. Sementara kadar ALT mengalami penurunan pada reagen kerja dengan penyimpanan selama 2 hari dan mengalami peningkatan pada penyimpanan 4 dan 6 hari. Hal tersebut berbanding terbalik dengan nilai OD. Kesimpulan penelitian ini yaitu reagen kerja ALT yang dilakuakan penyimpanan pada 0 hari, 2 hari, 4 hari dan 6 hari pada suhu ruang terkontrol (25°C) rerata nilai pH yaitu 7,6; 7,1; 7,0; 6,9 dan rerata nilai OD yaitu 1,29; 1,51; 1,48; 1,36. Alanine Aminotransferase (ALT) is an enzyme to diagnose liver damage. Manual method test must be done by mixing the working reagent first. This method makes working reagent excess and make it must be stored. The duration of storage time will affect the pH value and OD value. The purpose of this study is to find out description of pH value and OD value on ALT activity at working reagents storage time for 2, 4 and 6 days in controlled room temperature. This study was a descriptive research with cross sectional study design. There were 5 serums obtained from female students aged 20-21 years with good health condition. Testing the pH value and OD value on ALT activity at working reagents storage time for 2, 4 and 6 days in controlled room temperature (25°C). So that is it obtained 4 data values of pH, 4 data values of OD and 100 data values of ALT activity. Result of this study is pH average value were decrease during storage time. The OD value increase on 2 days storage time and decreased on 4 and 6 days. The ALT levels decreased in 2 day storage time and increased on 4 and 6 days. This value is inversely related to the OD value. The conclusion of this study is working reagents of ALT were stored at 0, 2, 4 and 6 days at controlled room temperature (25°C) the average pH value is 7,6; 7,1; 7,0; 6,9 and the average OD value is 1,29; 1,51; 1,48; 1,36.

Item Type: Thesis (Diploma)
Subjects: Q Science > QD Chemistry
R Medicine > RZ Other systems of medicine
Divisions: Poltekkes Kemenkes Yogyakarta > Jurusan Teknologi Laboratorium Medis > Program Studi DIII Teknologi Laboratorium
Depositing User: Mahasiswa Polkesyo
Date Deposited: 28 Jun 2022 04:17
Last Modified: 28 Jun 2022 04:17
URI: http://eprints.poltekkesjogja.ac.id/id/eprint/8821

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