User profiles for Helen Petach

Helen Petach

Verily Health Sciences
Verified email at google.com
Cited by 2143

The denaturation and degradation of stable enzymes at high temperatures

RM Daniel, M Dines, HH Petach - Biochemical journal, 1996 - portlandpress.com
Now that enzymes are available that are stable above 100 C it is possible to investigate
conformational stability at this temperature, and also the effect of high-temperature degradative …

[HTML][HTML] Integration of water, sanitation, and hygiene for the prevention and control of neglected tropical diseases: a rationale for inter-sectoral collaboration

…, C MacArthur, P Lochery, H Petach… - PLoS neglected …, 2013 - journals.plos.org
Improvements of water, sanitation, and hygiene (WASH) infrastructure and appropriate
health-seeking behavior are necessary for achieving sustained control, elimination, or …

Photoaptamer arrays applied to multiplexed proteomic analysis

…, GM Husar, D Miller, R Ostroff, H Petach… - …, 2004 - Wiley Online Library
Multiplexed photoaptamer‐based arrays that allow for the simultaneous measurement of
multiple proteins of interest in serum samples are described. Since photoaptamers covalently …

Implementation science to accelerate clean cooking for public health

…, S Pattanayak, E Puzzolo, H Petach… - Environmental …, 2017 - ehp.niehs.nih.gov
Clean cooking has emerged as a major concern for global health and development because
of the enormous burden of disease caused by traditional cookstoves and fires. The World …

Maximizing the benefits of improved cookstoves: moving from acquisition to correct and consistent use

…, E Derby, S Harrell, C Davis, H Petach - … Health: Science and …, 2014 - ghspjournal.org
… Anita Shankar, Michael Johnson, Ethan Kay, Raj Pannu, Theresa Beltramo, Elisa Derby,
Stephen Harrell, Curt Davis and Helen Petach … Cite this article as: Shankar A, Johnson M …

Measuring environmental exposure to enteric pathogens in low-income settings: review and recommendations of an interdisciplinary working group

…, JNS Eisenberg, A Ercumen, H Petach… - … science & technology, 2020 - ACS Publications
Infections with enteric pathogens impose a heavy disease burden, especially among young
children in low-income countries. Recent findings from randomized controlled trials of water, …

The effect of low temperatures on enzyme activity

N More, RM Daniel, HH Petach - Biochemical Journal, 1995 - portlandpress.com
The stability of two enzymes from extreme thermophiles (glutamate dehydrogenase from
Thermococcales strain AN1 and beta-glucosidase from Caldocellum saccharolyticum …

Properties and stabilization of an extracellular α-glucosidase from the extremely thermophilic archaebacteria Thermococcus strain AN 1: enzyme activity at 130° C

K Piller, RM Daniel, HH Petach - … et Biophysica Acta (BBA)-Protein Structure …, 1996 - Elsevier
An extracellular α-glucosidase from the thermophilic archaebacterium Thermococcus strain
AN1 was purified 875-fold in five steps (Hiload Q-Sepharose, phenyl Sepharose, HPHT-…

Dimensionality is the issue: use of photoaptamers in protein microarrays

H Petach, L Gold - Current Opinion in Biotechnology, 2002 - Elsevier
The development of high-density arrays for proteomics has become a goal of SomaLogic,
many other companies, and a wide variety of academic entities. Unfortunately, the word …

[HTML][HTML] Oxytocin quality: evidence to support updated global recommendations on oxytocin for postpartum hemorrhage

…, R Kuwana, F Theunissen, B Yeager, H Petach - … of Pharmaceutical Policy …, 2020 - Springer
Background The use of quality injectable oxytocin effectively prevents and treats postpartum
hemorrhage, the leading cause of maternal death worldwide. In low- and middle-income …