Dear Reader

Dear Reader, As you may note, some posts have disappeared, while others have been modified. I ask your indulgences.  I try to maintain a good-level of security to guard the blog from intrusion, but this is an Election Year that means Robots and Intruders on Social Media. More intrusion and changes to posts have occurred …

“Coronaviruses: An Overview of Their Replication and Pathogenesis”

Anthony R. Fehr and Stanley Perlman, Department of Microbiology, University of Iowa Carver College of Medicine, Iowa City, IA 52242 "Coronavirus Life Cycle Attachment and Entry The initial attachment of the virion to the host cell is initiated by interactions between the S protein and its receptor. The sites of receptor binding domains (RBD) within …

“Did Sweden make the right call on limiting its lockdown?”

Editorial, The Washington Post, May 18, 2020 "SWEDEN OFFERS an appealing model to many people who are fatigued by the hardships of pandemic lockdown or who were never convinced it was entirely necessary.  The Nordic country took some measures to control the spread of the coronavirus: It banned groups larger than 50 people, called for …

“Thermodynamics, Kinetics, and Mechanisms of Non-competitive Allosteric Inhibition of Chymotrypsin by Dihydrolipoic Acid-Coated Gold Nanoclusters”

Wen-Qi Chen,  Miao-miao Yin,  Peng-Jun Song,  Xiao-Hang He,  Yi Liu, and  Feng-Lei Jiang Abstract Enzymes are an important class of biomacromolecules which catalyze many metabolic processes in living systems. Nanomaterials can be synthesized with tailored sizes as well as desired surface modifications, thus well acting as promising enzyme regulators. Fluorescent gold nanoclusters (AuNCs) are a representative …

Locust Swarms Are Eating Their Way Across Two Continents

Climate change is worsening the largest plague of the crop-killing insects in 50 years, threatening famine in Africa, the Middle East and the Indian subcontinent. BY BOB BERWYN, INSIDECLIMATE NEWS As giant swarms of locusts spread across East Africa, the Arabian Peninsula and the Middle East, devouring crops that feed millions of people, some scientists …

The Dynamics of Pandemics

Always the public servant for The American People, Commander Shope during his career in The United States Navy.  He was known to be, 'a sober yet brilliant scientist possessed of a wide knowledge, common sense, integrity, and complete sanity.' "If pandemic influenza spread from sick-to-well by contact, then it should diffuse with reasonable rapidity over …