Results 131 to 140 of about 38,787 (243)

Systemic barriers to donation for African, Caribbean and Black communities: A qualitative key informant study

open access: yesTransfusion Medicine, EarlyView.
Abstract Background and Objective For many blood collection agencies (BCAs), meeting the transfusion needs of people living with sickle cell disease, a genetic condition that causes sickling of red blood cells, is a priority but also a challenge because of a lack of diversity in the donor base.
Jennie Haw   +3 more
wiley   +1 more source

PRESENCE OF hemA-LIKE AND hemT-LlKE GENES IN A JSUMBER OF ANOXYGENIC PHOTOSYNTHETIC BACTERIAL ISOLATES FROM INDONESIA AND SOIL SAMPLES FROM BOGOR AREA

open access: yesBiotropia: The Southeast Asian Journal of Tropical Biology, 2000
The Rhodobacter sphaeroides hemA and hemT are known to encode a distinct 5-aminolevulinic acid (ALA)-synthase isozyme. This enzyme catalyzes the first and rate limiting step in ALA biosynthesis through the C4 pathway.
NURUL AINI, ANTONIUS SUWANTO
doaj  

Poli HEMA-MAH -Cu2+ Mikrokürelerin α-Amilaz İmmobilizasyonu için Kullanılması

open access: yes, 2014
In this article poly 2-hydroxyethyl methacrylate-N-methacryloyl- l -histidin methylester [P HEMA-MAH ] microbeads were prepared by suspension polymerization of 2-hydroxyethyl methacrylate HEMA and N-methacryloyl- l -histidine methyl ester MAH .
Baysal, Zübeyde, Ayla, Ayşegül
core  

AABB survey on directed blood donation practices

open access: yesTransfusion, EarlyView.
Abstract Background Standardized guidance regarding the processes for collecting directed blood donations (DBD) is lacking, leading to variable practices. This study assessed laboratory, clinical, and charging practices for DBD collection in the United States and Canada. Study Design and Methods An electronic survey was distributed to United States and
Nabiha H. Saifee   +6 more
wiley   +1 more source

Chagas disease in Canadian blood donors: 15 years of selective testing

open access: yesVox Sanguinis, EarlyView.
Abstract Background and Objectives Chagas disease (Trypanosoma cruzi), prevalent in Mexico, Central and South America, can be transfusion‐transmitted. Selective serological testing of blood donors was implemented over 15 years ago. We describe the trends in infections and characteristics of donors selected for testing.
Sheila F. O'Brien   +5 more
wiley   +1 more source

The Mediating Role of Digital Market and Payment Systems in ICT‐Based Food Security Management

open access: yeseFood, Volume 7, Issue 4, August 2026.
ICT enhances food security management in Bangladesh by linking production, distribution, and digital market systems. Digital Market and Payment (DMP) mediates the relationship between Food Production and Distribution (FPD) and Food Security Management (FSM), highlighting the transformative role of digital innovation in sustainable food governance ...
Mohammad Helal Hossain   +3 more
wiley   +1 more source

Bond strength of HEMA-free and HEMA-containing adhesives under pulpal pressure

open access: yes, 2012
Objectives: To evaluate the effect of simulated pulpal pressure (PP) on initial bond strength of one-stsep self-etch adhesives with different smear layer preparation.
Junji, Tagami   +2 more
core  

Electrically Responsive Structural‐Color Materials

open access: yesAggregate, Volume 7, Issue 7, July 2026.
This review highlights electrically responsive structural‐color materials as next‐generation electrochromic platforms, summarizing key structural designs, modulation mechanisms, and performance metrics to enable continuous, low‐voltage, and tailorable color tuning for advanced display, camouflage, and security applications.
Qiming Wang   +4 more
wiley   +1 more source

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