Results 81 to 90 of about 870,403 (293)

A study of the prevalence of refractive errors and of patients requring refractive services at 15 eye clinics in the Amathole, Chris Hani, Joe Gqabi and O. R. Tambo districts of the Eastern Cape [PDF]

open access: yes, 2012
This is a study on the prevalence of refractive errors and patients requiring refractive services at 15 eye clinics in the Amathole, Chris Hani, Joe Gqabi and OR Tambo District Municipalities of the Eastern Cape.
Webber, Fiona
core   +1 more source

Impact of Sustainable Binders Based on Lignin and Collagen on the Volume Stability and Mechanical Properties of MgO‐C Refractories with MgO‐C Recyclates

open access: yesAdvanced Engineering Materials, EarlyView.
Collagen hydrolysate is evaluated as a sustainable binder for MgO‐C refractories. Its thermally induced cross‐linking and gas release lead to expansion and cracking in large bricks, but tailored batches with lignin, recyclates, or fine graphite improve the gas release while thermal treatment and stability.
Till M. J. Stadtmüller   +8 more
wiley   +1 more source

3D (Bio) Printing Combined Fiber Fabrication Methods for Tissue Engineering Applications: Possibilities and Limitations

open access: yesAdvanced Functional Materials, EarlyView.
Biofabrication aims at providing innovative technologies and tools for the fabrication of tissue‐like constructs for tissue engineering and regenerative medicine applications. By integrating multiple biofabrication technologies, such as 3D (bio) printing with fiber fabrication methods, it would be more realistic to reconstruct native tissue's ...
Waseem Kitana   +2 more
wiley   +1 more source

Childhood visual impairment causes and barriers to accessing eye care: A suggested approach for Africa

open access: yesAfrican Journal of Primary Health Care & Family Medicine
Background: Childhood vision impairment (VI) has a significantly harmful effect on both health and social outcomes. Aim: To assess the causes of childhood VI, to determine obstacles to accessing eye care services and to develop a strategy for the ...
Saif H. Alrasheed   +2 more
doaj   +1 more source

Utilization of eye care services by elderly persons in the northern Ethekwini district of Kwa-Zulu-Natal province, South Africa

open access: yesAfrican Vision and Eye Health, 2011
Although most of the causes of visual impairment and blindness in the developing world are treatable, many people do not receive eye care attention. The appropriate use of eye care services is a key factor to reducing visual impairment and blindness in ...
K. P. Mashige, C. Martin
doaj   +1 more source

Rapid assessment for prioritisation of trachoma control at community level in one district of the Kaolack Region, Senegal.

open access: yes, 2005
The objective of this study was to use a modified Lot Quality Assurance Sampling methodology to classify communities according to prevalence of active trachoma and to estimate the prevalence of trachoma and trichiasis in Nioro department, Kaolack Region,
Bailey, Robin   +3 more
core   +1 more source

Eye care services utilisation among pregnant women in Nigeria

open access: yesJournal of Obstetrics and Gynaecology, 2016
One hundred and sixty-five pregnant Nigerian women attending the antenatal clinic of LAUTECH teaching hospital, Ogbomoso, Nigeria between January and April 2014 were interviewed using a structured questionnaire. Socio-demographic characteristics of the respondents were obtained.
Waheed A, Ibraheem   +5 more
openaire   +2 more sources

Bio‐Orthogonally Crosslinked Supramolecular Polymer Bottlebrush Hydrogels for Long‐Term 3D Cell Culture

open access: yesAdvanced Functional Materials, EarlyView.
Fibrous benzenetrispeptide (BTP) hydrogels, fabricated via strain‐promoted azide‐alkyne cycloaddition (SPAAC) crosslinking, form robust, bioinert networks. These hydrogels can support 3D cell culture, where cell viability and colony growth depend on the fiber content.
Ceren C. Pihlamagi   +5 more
wiley   +1 more source

Clinical and perceived quality of care for maternal, neonatal and antenatal care in Kenya and Namibia: the service provision assessment. [PDF]

open access: yes, 2016
BackgroundThe majority of women in sub-Saharan Africa now deliver in a facility, however, little is known about the quality of services for maternal and newborn basic and emergency care, nor how this is associated with patient's perception of their ...
Diamond-Smith, Nadia   +2 more
core   +2 more sources

Ultrasmall Platinum Nanoparticles for Radiation‐Enhanced Cancer Therapy

open access: yesAdvanced Functional Materials, EarlyView.
This work proposes a nanomedicine‐based strategy to enhance X‐ray radiotherapy for cancer treatment. Ultrasmall Pt‐NPs exhibit catalase‐like activity that may contribute to modulation of the tumor microenvironment and amplify interactions between radiation and biological matter, leading to increased DNA damage.
Miguel Encinas‐Gimenez   +8 more
wiley   +1 more source

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