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.

Biochemical Test of Helicobacter pylori

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Biochemical Test of Helicobacter pylori

Biochemical Test of Helicobacter pylori Basic Characteristics Properties (Helicobacter pylori) Capsule Non-Capsulated Catalase Positive (+ve) Flagella Flagellated Glycine (1%) Tolerance Negative (-ve) Gram Staining Negative (-ve) Growth at 25, 30 … Read more

Lineweaver–Burk Plot

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Lineweaver–Burk Plot

Since, Vmax is achieved at infinite substrate concentration, it is impossible to estimate Vmax and hence Km from a hyperbolic plot. Because of this difficulty, the Michaelis–Menten equation was transformed … Read more

Biochemical Test of Kingella kingae

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Biochemical Test of Kingella kingae

Some of the characteristics are as follows: Basic Characteristics Properties (Kingella kingae) 10% Bile Negative (-ve) Capsule Positive (+ve) Catalase Negative (-ve) Citrate Negative (-ve) Coagulase Negative (-ve) Gas Negative … Read more

Biochemical Test of Campylobacter jejuni

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Biochemical Test of Campylobacter jejuni

Biochemical Test of Campylobacter jejuni Basic Characteristics Properties (Campylobacter jejuni) Capsule Capsulated Catalase Positive (+ve) Flagella Flagellated Gram Staining Negative (-ve) Growth at 25°C Negative (-ve) Growth at 37°C Positive … Read more

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