Yufiarta Hapsari

Biology graduate from Diponegoro University with 2 years of experience in microbiology, food and water quality analysis, and molecular biology. Skilled in sampling, microbial isolation and cultivation, microbiological testing, chemical analysis, and molecular identification. Strong understanding of GLP, GMP principles, SOP compliance, and laboratory documentation.

Seeking a position as a Quality Control Analyst, Laboratory Analyst, or R&D in the food, pharmaceutical, biotechnology, and environmental industries.

Molecular and Applied Microbiology Laboratory, Semarang, Indonesia

Microbiology & Molecular Research Assistant | May 2024 – Nov 2025

Contributed to international research on “Bioprospecting of Thraustochytrids,” in collaboration with Universiti Malaysia Terengganu.

Project: Isolation and Molecular Identification of Thraustochytrids from Decayed Mangrove Leaves in Mangrove Forest Glagah Wangi Demak

• Isolated 10+ lipid-producing Thraustochytrid isolates as bioproduct candidates for downstream industrial applications.
• Conducted sampling and monitored environmental parameters (pH, salinity, temperature).
• Prepared and sterilized equipment, materials, culture media, and reagents following aseptic techniques.
• Performed macroscopic and microscopic characterization of microorganisms, including lipid potential screening via Sudan Black B staining.
• Conducted molecular analysis, including DNA extraction, NanoDrop quantification, PCR amplification, gel electrophoresis, DNA sequence analysis, and phylogenetic tree construction.
• Maintained accurate laboratory records, documented test results, and managed biological and chemical waste disposal in accordance with K3 (Occupational Health & Safety) procedures.

B. Biotechnology Laboratory, Diponegoro University, Semarang, Indonesia

Microbiology Laboratory Assistant | Sep 2023 – Dec 2023

• Facilitated 8 microbiology practical sessions for 30+ undergraduate students, including preparation of culture media, instruments, and materials in accordance with sterilization and safety procedures.
• Evaluated laboratory reports and provided objective academic assessment; contributed to pre-test and final exam question development.

C. Perumda Air Minum Tirta Moedal Kota Semarang, Semarang, Indonesia

Quality Control Analyst | Jul 2023 – Aug 2023

Project: Microbiological Contamination Analysis at Kaligarang WTP Intake and Reservoir Using Membrane Filtration Method

• Performed routine water sampling from raw, treated, and distribution water samples as part of Quality Control (QC) processes.
• Conducted microbiological testing (E. coli, fecal coliform, total coliform) using membrane filtration and TPC methods.
• Analyzed physical parameters (pH, DO, TDS, conductivity, and temperature).
• Performed chemical analysis using spectrophotometry and titrimetric methods.
• Conducted jar test analysis to evaluate coagulation and sedimentation efficiency.
• Coordinated with the production team to ensure water quality met national regulatory standards.

S.Si in Biology – Diponegoro University (GPA: 3.74, CumLaude)