[HTML][HTML] Biodegradation of polymers used in oil and gas operations: towards enzyme biotechnology development and field application

C Berdugo-Clavijo, G Scheffer, A Sen, LM Gieg - Polymers, 2022‏ - mdpi.com
Linear and crosslinked polymers are commonly used in the oil and gas industry. Guar-
derived polymers have been extensively utilized in hydraulic fracturing processes, and …

Preparation and identification of carboxymethyl cellulose-degrading enzyme candidates for oilfield applications

G Scheffer, NM Rachel, KKS Ng, A Sen… - Journal of Biotechnology, 2022‏ - Elsevier
Carboxymethyl cellulose (CMC) is often used during hydraulic fracturing (fracking)
operations as a fluid viscosifier to facilitate proppant delivery. However, the accumulation of …

Silica hydrogels as platform for delivery of hyaluronic acid

E Parfenyuk, E Dolinina - Pharmaceutics, 2022‏ - mdpi.com
Hyaluronic acid (HA) is chondroprotective and anti-inflammatory drug used clinically for
treatment of inflammatory disorders (arthritis, skin diseases, bowel diseases, etc.). In …

Polymer biodegradation by Halanaerobium promotes reservoir souring during hydraulic fracturing

G Scheffer, A Chakraborty, KK Amundson, R Khan… - bioRxiv, 2023‏ - biorxiv.org
Hydraulically fractured shale reservoirs have facilitated studies of unexplored niches in the
continental deep biosphere. Members of the genus Halanaerobium are ubiquitous in these …