User profiles for Rob Perkins

Robert Perkins

- Verified email at pdx.edu - Cited by 1298

Robert Perkins

- Verified email at questu.ca - Cited by 404

CCD polarization imaging sensor with aluminum nanowire optical filters

V Gruev, R Perkins, T York - Optics express, 2010 - opg.optica.org
We report an imaging sensor capable of recording the optical properties of partially polarized
light by monolithically integrating aluminum nanowire optical filters with a CCD imaging …

Associations of kidney disease measures with mortality and end-stage renal disease in individuals with and without diabetes: a meta-analysis

…, J Chalmers, HJL Heerspink, BJ Lee, RM Perkins… - The Lancet, 2012 - thelancet.com
Background Chronic kidney disease is characterised by low estimated glomerular filtration
rate (eGFR) and high albuminuria, and is associated with adverse outcomes. Whether these …

[HTML][HTML] Increased risk of death and de novo chronic kidney disease following reversible acute kidney injury

…, HL Kirchner, ER Norfolk, JE Hartle II, RM Perkins - Kidney international, 2012 - Elsevier
Acute kidney injury increases mortality risk among those with established chronic kidney
disease. In this study we used a propensity score-matched cohort method to retrospectively …

A meta-analysis of the association of estimated GFR, albuminuria, diabetes mellitus, and hypertension with acute kidney injury

…, J Green, H Les Kirchner, R Perkins… - American Journal of …, 2015 - Elsevier
Background Diabetes mellitus and hypertension are risk factors for acute kidney injury (AKI).
Whether estimated glomerular filtration rate (eGFR) and urine albumin-creatinine ratio (ACR…

Solubility of ettringite (Ca6 [Al (OH) 6] 2 (SO4) 3· 26H2O) at 5–75° C

RB Perkins, CD Palmer - Geochimica et Cosmochimica Acta, 1999 - Elsevier
The solubility of ettringite (Ca 6 [Al(OH) 6 ] 2 (SO 4 ) 3 · 26H 2 O) was measured in a series of
dissolution and precipitation experiments at 5–75C and at pH between 10.5 and 13.0 using …

[HTML][HTML] Biodegradation of dispersed oil in arctic seawater at-1 C

KM McFarlin, RC Prince, R Perkins, MB Leigh - PloS one, 2014 - journals.plos.org
As offshore oil and gas exploration expands in the Arctic, it is important to expand the scientific
understanding of arctic ecology and environmental impact to mitigate operational risks. …

[BOOK][B] Vertebrata

RCL Perkins - 1903 - books.google.com
The price of each part will vary according to its extent and the number of Plates. Subscribers
to the whole work will be charged half-price for each part. The parts will be sent, as …

Probability distribution of enantiomorphous forms in spontaneous generation of optically active substances

RE Pincock, RR Perkins, AS Ma, KR Wilson - Science, 1971 - science.org
The crystallization of 1,1′-binaphthyl from its racemic melt is an example of spontaneous
generation of optical activity. The distribution of specific rotations in 200 individual samples …

[BOOK][B] The high school transcript study: A decade of change in curricula and achievement, 1990-2000

R Perkins - 2004 - books.google.com
What is The National Assessment of Educational Progress? The National Assessment of
Educational Progress (NAEP) is a nationally representative and continuing assessment of what …

Novel acyclonucleotides: synthesis and antiviral activity of alkenylphosphonic acid derivatives of purines and a pyrimidine

…, A Parkin, MJ Parratt, RM Perkins - Journal of medicinal …, 1993 - ACS Publications
A series of phosphonoalkenyl and (phosphonoalkenyl) oxy derivativesof purines and a
pyrimidine were synthesized. These compounds are the first reported acyclonucleotides which …