Sagar Aryal, PhD

Sagar Aryal is a microbiologist and a scientific blogger. He completed his Ph.D. degree in Microbiology from the Central Department of Microbiology, Tribhuvan University, Kathmandu, Nepal in 2025. He was awarded the DAAD Research Grant to conduct part of his Ph.D. research work for two years (2019-2021) at Helmholtz-Institute for Pharmaceutical Research Saarland (HIPS), Saarbrucken, Germany. Sagar is interested in research on actinobacteria, myxobacteria, and natural products. He is the Research Head of the Department of Natural Products, Kathmandu Research Institute for Biological Sciences (KRIBS), Lalitpur, Nepal. Sagar has more than 15 years of experience in blogging, content writing, and SEO. Sagar was awarded the SfAM Communications Award 2015: Professional Communicator Category from the Society for Applied Microbiology (Now: Applied Microbiology International), Cambridge, United Kingdom (UK). Sagar is also the ASM Young Ambassador to Nepal for the American Society for Microbiology since 2023 onwards.

Mumps Virus- An Overview

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Mumps Virus

Structure of Mumps Virus Mumps virions are markedly pleomorphic (100 to 600 nm), and roughly spherical with an outer membrane that envelops an inner, coiled helical structure. The envelope which … Read more

Biochemical Test of Bordetella pertussis

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Biochemical Test of Bordetella pertussis

Some of the characteristics are as follows: Basic Characteristics Properties (Bordetella pertussis) Capsule Positive (+ve) Catalase Positive (+ve) Citrate Negative (-ve) Flagella Negative (-ve) Gelatin Hydrolysis Negative (-ve) Gram Staining … Read more

Rh Blood Group System

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Rh Blood Group System

The second major blood grouping system is the Rhesus (Rh) system. Philip Levine, in 1939, discovered that the sera of most women who gave birth to infants with hemolytic disease … Read more

Biochemical Test of Corynebacterium diphtheriae

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Biochemical Test of Corynebacterium diphtheriae

Biochemical Test of Corynebacterium diphtheriae Basic Characteristics Properties (Corynebacterium diphtheriae) CAMP Negative (-ve) Capsule Non-Capsulated Catalase Positive (+ve) Cetrimide Test Negative (-ve) Citrate Negative (-ve) Coagulase Negative (-ve) Flagella Non-Flagellated … Read more

Biochemical Test of Pseudomonas aeruginosa

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Biochemical Test of Pseudomonas aeruginosa

Biochemical Test of Pseudomonas aeruginosa Basic Characteristics Properties (Pseudomonas aeruginosa) Capsule Some Non-Capsulated and Some are encapsulated (Pseudomonas aeruginosa secretes a capsule-like polysaccharide called alginate- Sumita Jain and Dennis E. … Read more

Counter Current Immunoelectrophoresis

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Counter Current Immunoelectrophoresis

Immunoelectrophoresis refers to the process in which an antigen mixture is first separated into its component parts by electrophoresis and then tested by immunodiffusion. The electrophoresed antigen mixture in agarose … Read more