Sagar Aryal, PhD 
Biochemical Test of Clostridium difficile Basic Characteristics Properties (Clostridium difficile) Capsule Capsulated Catalase Negative (-ve) Flagella Flagellated Gelatin Hydrolysis Positive (+ve) Gram Staining Positive (+ve) H2S Positive (+ve) Hemolysis Negative … Read more
Antigens are specifically defined as molecules that interact specifically with immunoglobulin receptor of B-cell (or T-cell when complexed with MHC) or antigen is any substance that may be specifically bound … Read more
Habitat of Mycoplasma pneumoniae They are found in the mucosa of upper respiratory tract (UTR) and urogenital tract of humans. Also found in oral cavity. They are also present in … Read more
Image Source: Belén García, dibujandoafrica.com Basic Characteristics Properties (Vibrio cholerae) Capsule Non-Capsulated Citrate +ve Flagella Flagellated Gas -ve Gelatin Hydrolysis +ve Gram Staining -ve H2S -ve Hemolysis Beta Hemolysis Indole … Read more
Image Source: Wikipedia Some of the characteristics are as follows: Basic Characteristics Properties (Aeromonas hydrophila) Capsule -ve Catalase +ve Citrate +ve Flagella +ve Gas +ve Gelatin Hydrolysis +ve Gram Staining … Read more
Laboratory diagnosis of Bacterial vaginosis caused by Gardnerella vaginalis Specimen: Vaginal discharge specimen A. Direct Microscopic Examination Bacterial Vaginosis (BV) is characterized by a foul-smelling discharge. A diagnosis/confirmation is done … Read more
Activation of complement involves the sequential proteolysis of proteins to generate enzyme complexes with proteolytic activity. Proteolytic cascades allow tremendous amplification because each enzyme molecule activated at one step can … Read more
Neisseria gonorrhoeae is an obligate human pathogen and is the etiological agent of gonorrhea. In the United States, it is the second most commonly reported communicable disease, with more than … Read more
Structure of Coltivirus Coltivirusparticles are 60–80 nm in diameter having two concentric capsid shells with a core that is about 50 nm in diameter. They have a relatively smooth surface capsomeric structure and … Read more
The classical pathway is a chain of events in which complement components react in specific sequences as a cascade resulting in cell lysis. It is activated by antibody bound to … Read more
