Results 261 to 270 of about 486,083 (311)

Neurochemical Endpoints to Inform Early‐Stage Trials of Spinocerebellar Ataxia 2 and 3 in a Multisite Setting

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Neurochemical levels measured by brain MR spectroscopy (MRS) have been proposed as endpoints for clinical trials in early‐stage spinocerebellar ataxia (SCA) trials. We tested their trial‐readiness by quantifying neurochemicals in three affected brain regions in early‐stage cohorts of SCA2 and SCA3, examining their reproducibility in ...
James M. Joers, Yaqiao Wei, Dinesh K. Deelchand, Adam Berrington, Young Woo Park, Guita Banan, Michal Povazan, Jens T. Rosenberg, André J. W. van der Kouwe, Tetsuo Ashizawa, Khalaf O. Bushara, Chiadi U. Onyike, Sub H. Subramony, Jeremy D. Schmahmann, Brian J. Soher, Peter B. Barker, Thomas H. Mareci, Eva‐Maria Ratai, Lynn E. Eberly, Gülin Öz   +19 more
wiley   +1 more source

Associations of Sleep and Shift Work With Osteoarthritis Risk

Arthritis Care &Research, EarlyView.
Objective Daily rhythms may be critical for maintaining homeostasis of joint tissues. We aimed to investigate the relationships among circadian clock disruption, sleep, and osteoarthritis (OA) risk in humans. Methods In the UK Biobank, a prospective 500,000–person cohort, we evaluated associations among sleep duration, sleeplessness/insomnia, and shift
Elizabeth L. Yanik, Abigail Bridgeman, Erik D. Herzog, Vy Pham, Bradley A. Evanoff, Farshid Guilak   +5 more
wiley   +1 more source

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An Innovative Index for Evaluating Water Quality in Streams

Environmental Management, 2004
A water quality index expressed as a single number is developed to describe overall water quality conditions using multiple water quality variables. The index consists of water quality variables: dissolved oxygen, specific conductivity, turbidity, total phosphorus, and fecal coliform.
David K Stevens, Stevens David K
exaly   +3 more sources

Assessment of water quality of Oum Er Rabia River by Microbiological Quality Index and Water Quality Index

2021
Water resource management requires simple tools to enable managers to make decisions. This is the case for water quality indices that provide access to clear, synthetic and well-targeted information. In this study, we have chosen two indices based on two different approaches, the Microbiological Quality Index (MQI), which is determined from ...
Abba, El Hassan, Idrissi, Imam, Bennani, Younes, El Yaacoubi, Adnane, Cherroud, Sanae, Ainane, Tarik, Khaffou, Mhamed   +6 more
openaire   +1 more source

Development of a water quality loading index based on water quality modeling

Journal of Environmental Management, 2009
Water quality modeling is an ideal tool for simulating physical, chemical, and biological changes in aquatic systems. It has been utilized in a number of GIS-based water quality management and analysis applications. However, there is considerable need for a decision-making process to translate the modeling result into an understandable form and thereby
Tao, Song, Kyehyun, Kim
openaire   +2 more sources

Groundwater quality and water quality index at Bhandara District

Environmental Monitoring and Assessment, 2010
The present investigation reports the results of a monitoring study focusing on groundwater quality of Bhandara District of central India. Since, remediation of groundwater is very difficult, knowledge of the existing nature, magnitude, and sources of the various pollution loads is a prerequisite to assessing groundwater quality.
Prashant N, Rajankar, Dilip H, Tambekar, Satish R, Wate   +2 more
openaire   +2 more sources

Surface water quality assessment of Skardu springs using Water Quality Index

Environmental Science and Pollution Research, 2021
Natural springs which originate from hilly areas of Skardu in Pakistan make their route downward and are utilized by the public as they passes from residential areas. Due to weathering processes in mountainous regions, these springs can be the source of various trace elements and pollutants.
Wazir Aitizaz Ahsan, Hamaad Raza Ahmad, Zia Ur Rahman Farooqi, Muhammad Sabir, Muhammad Ashar Ayub, Muhammad Rizwan, Predrag Ilic   +6 more
openaire   +2 more sources

Stochastic water quality index

Environmental Technology Letters, 1982
Abstract A Stochastic Water Quality Index (SWQI) is proposed and its use in assessing water quality in the Linggi River in Malaysia is shown. The SWQI provides for the first time an approach for developing an index which incorporates the probabilistic water quality entities.
B. N. Lohani, Norhayati Mustapha
openaire   +1 more source

Water Quality Index (WQI)

2020
In this chapter, we discuss the formulation of WQI that have been used by DOE, Malaysia to measure the quality of the river as well as drinking water in Malaysia. We begin with the elaboration on all six parameters that will used in the formulation later.
Samsul Ariffin Abdul Karim, Nur Fatonah Kamsani   +1 more
openaire   +1 more source

Consumers Water Quality Index

Journal of the Environmental Engineering Division, 1974
A water quality index based on physical, chemical, and biological parameters is proposed. The index is based on a geometric mean of transformed values of the parameters with a range of zero to one. The parameters of concern are temperature, nutrients, suspended solids, turbidity, coliform bacteria, dissolved oxygen, color, pH, grease, odor, and ...
Thomas M. Walski, Frank L. Parker
openaire   +1 more source