Results 81 to 90 of about 926 (181)

Multi‐Mode Mechanochromic Responses from Cholesteric Liquid Crystal Elastomer Tubes of Uniform Sheath

Advanced Materials, Volume 37, Issue 34, August 28, 2025.
The structural‐colored tube is created from cholesteric liquid crystal elastomers, exhibiting uniform color changes with high strain sensitivity upon extension and inflation. The color change occurs across multiple mechanochromic modes, highlighting the influence of molecular anisotropy and tubular geometry on strain sensitivity.
Jong Bin Kim, Shangsong Li, Kun‐Yu Wang, Yinding Chi, Shu Yang   +4 more
wiley   +1 more source

Ugandan providers’ views on the acceptability of contraceptive self-injection for adolescents: a qualitative study

Reproductive Health, 2018
Background Self-injection of subcutaneous depot medroxyprogesterone acetate may offer greater discretion and increase access to injectable contraception, particularly for those who face challenges accessing clinic services.
Jane Cover, Allen Namagembe, Justine Tumusiime, Jeanette Lim, Carie Muntifering Cox   +4 more
doaj   +1 more source

Adolescent and covert family planning users’ experiences self-injecting contraception in Uganda and Malawi: implications for waste disposal of subcutaneous depot medroxyprogesterone acetate

Reproductive Health, 2020
Background Self-administered subcutaneous depot medroxyprogesterone acetate (DMPA-SC) is poised to increase access to contraception; however, governments are concerned about the waste management of used units.
Holly M. Burke, Catherine Packer, Laura Wando, Symon Peter Wandiembe, Nelson Muwereza, Subarna Pradhan, Akuzike Zingani, Bagrey Ngwira   +7 more
doaj   +1 more source

Accessing DMPA-SC through the public and private sectors in Nigeria: users’ characteristics and their experiences

Gates Open Research, 2018
Background: Beginning in 2015, subcutaneous depot medroxyprogesterone acetate (DMPA-SC) was added to the contraceptive method mix in Nigeria, primarily through social marketing in the private sector and community-based distribution in the public sector.
Jenny Liu, Jennifer Shen, Eric Schatzkin, Olanike Adedeji, Eugene Kongnyuy, Chidinma Onuoha, Morenike Fajemisin, Kazeem Ayodeji, Elizabeth Omoluabi   +8 more
openaire   +1 more source

Guidance on the use of read‐across for chemical safety assessment in food and feed

EFSA Journal, Volume 23, Issue 7, July 2025.
Abstract Read‐across is a method used in chemical risk assessment to predict the toxicological properties of a target substance by using data from structurally and mechanistically similar substances, known as source substances. EFSA's Scientific Committee has developed an approach for using read‐across in food and feed risk assessment.
EFSA Scientific Committee, Susanne Hougaard Bennekou, Ana Allende, Angela Bearth, Josep Casacuberta, Laurence Castle, Tamara Coja, Amélie Crépet, Thorhallur Halldorsson, Laurentius (Ron) Hoogenboom, Pikka Jokelainen, Helle Knutsen, Konstantinos Koutsoumanis, Claude Lambré, Søren Nielsen, Dominique Turck, Antonio Vicent Civera, Roberto Edoardo Villa, Holger Zorn, Emilio Benfenati, Romualdo Benigni, Qasim Chaudhry, Lucian Farcal, George Kass, Alexis Nathanail, Alicia Paini, Rositsa Serafimova   +26 more
wiley   +1 more source

Complications of Subcutaneous Contraception: A Review. [PDF]

, 2018
Over 62 million women in the United States are of childbearing age and 60% of them use contraception. Subcutaneous contraceptives include implantable contraceptives and subcutaneous injections. Implantable contraception involves subdermal time-release of
Loukas, Marios, Oskouian, Rod J, Ramdhan, Rebecca C, Simonds, Emily, Tubbs, R Shane, Wilson, Charlotte   +5 more
core   +1 more source

Women's Perspectives on the Unique Benefits and Challenges of Self‐Injectable Contraception: A Four‐Country In‐Depth Interview Study in Sub‐Saharan Africa

Studies in Family Planning, Volume 55, Issue 4, Page 269-290, December 2024.
Abstract Implementing self‐injection (SI) of subcutaneous depot‐medroxyprogesterone acetate (DMPA‐SC) is a key self‐care strategy for sexual and reproductive health, but SI uptake remains low, and assertions about the potential of SI to increase women's control over contraceptive use lack evidence.
Emily Himes, Lauren Suchman, Martha Kamanga, Catherine Birabwa, Serah Gitome, Elizabeth Omoluabi, Sarah Okumu, Grace Nmadu, Zachary Kwena, Jenny Liu, Sneha Challa, Dinah Amongin, Pauline Wekesa, Louisa Ndunyu, Elizabeth Bukusi, Address Malata, Lynn Atuyambe, Mandayachepa Nyando, Chioma Okoli, Aminat Tijani, Janelli Vallin, Ayobambo Jegede, Shakede Dimowo, Alfred Maluwa, Phoebe Alitubeera, Betty Kaudha, Agnes Kayego, Tamandani Jumbe, Innocencia Mtalimanja, Peter Waiswa, Beth Phillips, Kelsey Holt   +31 more
wiley   +1 more source

Examining and strengthening the role of patent and proprietary medicine vendors in the provision of injectable contraception in Nigeria [PDF]

, 2018
Results from an implementation research study in Nigeria found that with training, Patent and Proprietary Medicine Vendors (PPMVs), regardless of their previous health care experience, could competently administer injectable contraceptives and that ...
Adebayo, Adedamola, Afolabi, Kayode, Dwyer, Sara Chace, Ishaku, Salisu Mohammed, Jain, Aparna, Okunade, Faizah, Tobey, Elizabeth, Uzomba, Chiamaka   +7 more
core   +1 more source

Improving Contraception Outreach through Human-Centered Design: A Pilot Study of the Ndingathe (“I Can”) Intervention in Rural Malawi [PDF]

BACKGROUND: In Malawi, community health workers known as Health Surveillance Assistants (HSAs) can facilitate access to contraception through rural outreach.
Greenberg, Katherine, Holt, Kelsey, Jumbe, Tamanda, Kamanga, Martha, Liu, Jenny X, Malata, Address, Maluwa, Alfred, Mtalimanja, Innocencia, Nyando, Mandayachepa, Phillips, Beth, Vallin, Janelli   +10 more
core   +1 more source

Improving contraceptive agency through peer social support: findings from a longitudinal qualitative evaluation of the I-CAN intervention in Uganda [PDF]

BackgroundSexual and reproductive health organizations have been advocating for a human rights-based approach to contraceptive programming for many years, but progress has been slow.
Beth Phillips, Catherine Birabwa, Dinah Amongin, Erica Sedlander, Isabelle Thapar, Jenny Liu, Kelsey Holt, Lauren Suchman, Lynn Atuyambe, Madeline Griffith, Peter Waiswa, Ronald Wasswa   +11 more
core   +1 more source