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A comparison of two empirical models for the enzymatic hydrolysis of pretreated poplar wood.

Biotechnology and bioengineering

Holtzapple MT, Caram HS, Humphrey AE.
PMID: 18553480
Biotechnol Bioeng. 1984 Aug;26(8):936-41. doi: 10.1002/bit.260260818.

Two empirical models for the enzymatic hydrolysis of cellulose are used to analyze the same set of experimental data to determine if one model is superior to the other. Both models adequately describe the data. The parameters in both...

Meteorological influences on nitrogen dynamics of a coastal onsite wastewater treatment system.

Journal of environmental quality

O'Driscoll MA, Humphrey CP, Deal NE, Lindbo DL, Zarate-Bermudez MA.
PMID: 25602204
J Environ Qual. 2014 Nov;43(6):1873-85. doi: 10.2134/jeq2014.05.0227.

On-site wastewater treatment systems (OWTS) can contribute nitrogen (N) to coastal waters. In coastal areas with shallow groundwater, OWTS are likely affected by meteorological events. However, the meteorological influences on temporal variability of N exports from OWTS are not...

Use of biological monitoring in the assessment of effects of mining wastes on aquatic ecosystems of the alligator rivers region, tropical Northern Australia.

Environmental monitoring and assessment

Humphrey CL, Bishop KA, Brown VM.
PMID: 24243321
Environ Monit Assess. 1990 May;14(2):139-81. doi: 10.1007/BF00677914.

The primary objective of the biological monitoring program of the ARRRI is to develop techniques and procedures to monitor and assess effects of the mining and processing of ores on aquatic ecosystems of the Region. Studies have been made...

Initial phases of starvation and activity of bacteria at surfaces.

Applied and environmental microbiology

Kjelleberg S, Humphrey BA, Marshall KC.
PMID: 16346433
Appl Environ Microbiol. 1983 Nov;46(5):978-84. doi: 10.1128/aem.46.5.978-984.1983.

The activity of the hydrophilic Vibrio sp. strain DW1 and the hydrophobic Pseudomonas sp. strain S9, which both undergo starvation-induced responses, was examined at nutrient-enriched and nutrient-deficient interfaces. The initial period of response to a starvation regime ("dwarfing" phase)...

Use of fluorometry for monitoring and control of a bioreactor.

Biotechnology and bioengineering

Li JK, Humphrey AE.
PMID: 18597335
Biotechnol Bioeng. 1991 May;37(11):1043-9. doi: 10.1002/bit.260371109.

A new fluorescent bioreactor monitoring probe-multiple excitation fluorometric system (MEFS)-has been developed. This probe was compared to the commercially available BioChem Technology FluroMeasure system (NADH probe). In this task the fluorescence behavior of three model fermentation systems, ethanol fermentation...

Computational fluid dynamics model for predicting flow of viscous fluids in a large fermentor with hydrofoil flow impellers and internal cooling coils .

Biotechnology progress

Kelly WJ, Humphrey AE.
PMID: 9548776
Biotechnol Prog. 1998 Mar;14(2):248-58. doi: 10.1021/bp9701168.

Considerable debate has occurred over the use of hydrofoil impellers in large-scale fermentors to improve mixing and mass transfer in highly viscous non-Newtonian systems. Using a computational fluid dynamics software package (Fluent, version 4.30) extensive calculations were performed to...

Geochemistry and provenance of springs in a Baja California Sur mountain catchment.

Ground water

Lerback JC, Bowen BB, Humphrey CE, Fernandez DP, Bernau JA, Macfarlan SJ, Schniter E, Garcia JJ.
PMID: 35041214
Ground Water. 2022 Jan 18; doi: 10.1111/gwat.13177. Epub 2022 Jan 18.

Fractured rock aquifers cover much of Earth's surface and are important mountain sites for groundwater recharge but are poorly understood. To investigate groundwater systematics of a fractured-dominated aquifer in Baja California Sur, Mexico, we examined the spatial patterns of...

Managing Craniomaxillofacial Injuries in Athletes.

Facial plastic surgery clinics of North America

Kriet JD, Humphrey CD.
PMID: 34809892
Facial Plast Surg Clin North Am. 2022 Feb;30(1):xiii-xiv. doi: 10.1016/j.fsc.2021.09.001.

No abstract available.

Sediment spiking and equilibration procedures to achieve partitioning of uranium similar to contamination in tropical wetlands near a mine site.

Environmental pollution (Barking, Essex : 1987)

Harford AJ, Simpson SL, Humphrey CL, Parry DL, Kumar A, Chandler L, Stauber JL, van Dam RA.
PMID: 34923059
Environ Pollut. 2022 Feb 15;295:118673. doi: 10.1016/j.envpol.2021.118673. Epub 2021 Dec 16.

The derivation of sediment quality guideline values (SQGVs) presents significant challenges. Arguably the most important challenge is to conduct toxicity tests using contaminated sediments with physico-chemistry that represents real-world scenarios. We used a novel metal spiking method for an...

Dark Matter Detection Using Helium Evaporation and Field Ionization.

Physical review letters

Maris HJ, Seidel GM, Stein D.
PMID: 29219547
Phys Rev Lett. 2017 Nov 03;119(18):181303. doi: 10.1103/PhysRevLett.119.181303. Epub 2017 Nov 01.

We describe a method for dark matter detection based on the evaporation of helium atoms from a cold surface and their subsequent detection using field ionization. When a dark matter particle scatters off a nucleus of the target material,...

Impact of the 'Artful Moments' Intervention on Persons with Dementia and Their Care Partners: a Pilot Study.

Canadian geriatrics journal : CGJ

Hazzan AA, Humphrey J, Kilgour-Walsh L, Moros KL, Murray C, Stanners S, Montemuro M, Giangregorio A, Papaioannou A.
PMID: 27403209
Can Geriatr J. 2016 Jun 29;19(2):1-8. doi: 10.5770/cgj.19.220. eCollection 2016 Jun.

BACKGROUND: Engaging with art can be valuable for persons living with dementia. 'Artful Moments' was a collaborative project undertaken by the Art Gallery of Hamilton and the Behavioural Health Program at Hamilton Health Sciences that sought to develop and...

VEuPathDB: the eukaryotic pathogen, vector and host bioinformatics resource center.

Nucleic acids research

Amos B, Aurrecoechea C, Barba M, Barreto A, Basenko EY, Bażant W, Belnap R, Blevins AS, Böhme U, Brestelli J, Brunk BP, Caddick M, Callan D, Campbell L, Christensen MB, Christophides GK, Crouch K, Davis K, DeBarry J, Doherty R, Duan Y, Dunn M, Falke D, Fisher S, Flicek P, Fox B, Gajria B, Giraldo-Calderón GI, Harb OS, Harper E, Hertz-Fowler C, Hickman MJ, Howington C, Hu S, Humphrey J, Iodice J, Jones A, Judkins J, Kelly SA, Kissinger JC, Kwon DK, Lamoureux K, Lawson D, Li W, Lies K, Lodha D, Long J, MacCallum RM, Maslen G, McDowell MA, Nabrzyski J, Roos DS, Rund SSC, Schulman SW, Shanmugasundram A, Sitnik V, Spruill D, Starns D, Stoeckert CJ, Tomko SS, Wang H, Warrenfeltz S, Wieck R, Wilkinson PA, Xu L, Zheng J.
PMID: 34718728
Nucleic Acids Res. 2022 Jan 07;50:D898-D911. doi: 10.1093/nar/gkab929.

The Eukaryotic Pathogen, Vector and Host Informatics Resource (VEuPathDB, represents the 2019 merger of VectorBase with the EuPathDB projects. As a Bioinformatics Resource Center funded by the National Institutes of Health, with additional support from the Welllcome Trust,...

Showing 37 to 48 of 286 entries