Results 91 to 100 of about 20,732 (256)

Low-Cost QCM Sensor System for Screening Semen Samples [PDF]

open access: yes, 2010
Artificial insemination is a well-established part of modern agricultural practice. A viable semen sample is judged by the total number of spermatozoa (sperm) in the sample and the motility of the sperm.
Atherton, Shaun   +6 more
core   +2 more sources

Impact of Surface Functionalization on NV Quantum Properties: Implications for Biosensing with Fluorescent Nanodiamonds

open access: yesAdvanced Functional Materials, Volume 36, Issue 25, 26 March 2026.
Fluorescent nanodiamonds (fNDs) have emerged as an invaluable quantum sensing platform for biological and biochemical systems. This paper investigates the influence of common surface functionalization strategies for bioconjugation on the quantum properties of nitrogen vacancy (NV) centers in nanodiamonds.
Anja Sadžak   +6 more
wiley   +1 more source

_In vivo_ photoacoustic molecular imaging with simultaneous multiple selective targeting using antibody-conjugated gold nanorods [PDF]

open access: yes, 2008
The use of gold nanorods for photoacoustic molecular imaging in vivo with simultaneous multiple selective targeting is reported. The extravasation of multiple molecular probes is demonstrated, and used to probe molecular information of cancer cells. This
Ann-Ann Ding   +8 more
core   +1 more source

Prebiotic Synthesis of Methionine and Other Sulfur-Containing Organic Compounds on the Primitive Earth: A Contemporary Reassessment Based on an Unpublished 1958 Stanley Miller Experiment [PDF]

open access: yes, 2010
Original extracts from an unpublished 1958 experiment conducted by the late Stanley L. Miller were recently found and analyzed using modern state-of-the-art analytical methods.
Eric T. Parker   +6 more
core   +2 more sources

A Water‐Soluble PVA Macrothiol Enables Two‐Photon Microfabrication of Cell‐Interactive Hydrogel Structures at 400 mm s−1

open access: yesAdvanced Materials, Volume 38, Issue 18, 25 March 2026.
A PVA‐based macromolecular thiol‐ene formulation enables efficient two‐photon polymerization at extremely low polymer concentrations and high writing speeds of 400 mm s−1 (20×), allowing high‐fidelity laser writing of cell‐interactive hydrogel structures on demand.
Wanwan Qiu   +6 more
wiley   +1 more source

Ionic–Bionic Interfaces: Advancing Iontronic Strategies for Bioelectronic Sensing and Therapy

open access: yesAdvanced Science, Volume 13, Issue 16, 18 March 2026.
Ionic–bionic interfaces for bioelectronics leverage ions as multifunctional mediators that combine mechanical compliance, ionic and electronic functionalities, and therapeutic effects. These systems offer real‐time biosignal transduction, effective wound dressing, responsive drug delivery, and seamless interaction between soft tissues and electronic ...
Yun Goo Ro   +6 more
wiley   +1 more source

Cystamine induces AIF-mediated apoptosis through glutathione depletion [PDF]

open access: yes, 2001
Cystamine and its reduced form cysteamine showed protective effects in various models of neurodegenerative disease, including Huntington's disease and Parkinson's disease.
Cho, Sung-Yup   +11 more
core   +1 more source

Machine Learning‐Enhanced Analysis of Exosomal Surface Sialic Acid Using Surface‐Enhanced Raman Spectroscopy for Ovarian Cancer Diagnosis and Therapeutic Monitoring

open access: yesAdvanced Science, Volume 13, Issue 18, 27 March 2026.
Machine learning‐assisted surface‐enhanced Raman spectroscopy analysis of exosomal sialic acid for ovarian cancer diagnosis, as well as independent monitoring of exosomal sialic acid expression levels across different treatment periods, reveals a potential correlation with treatment response.
Lili Cong   +6 more
wiley   +1 more source

Synthesis and Characterization of a Cationic Thiomer Based on Ethyl Cellulose for Realization of Mucoadhesive Tablets and Nanoparticles

open access: yesInternational Journal of Nanomedicine, 2022
Deni Rahmat, Clairine Devina Faculty of Pharmacy, Pancasila University, Srengseng Sawah, Jagakarsa, South Jakarta, 12640, IndonesiaCorrespondence: Deni Rahmat, Faculty of Pharmacy, Pancasila University, Srengseng Sawah, Jagakarsa, South Jakarta, 12640 ...
Rahmat D, Devina C
doaj  

Cationic Poly(2‐oxazoline)s

open access: yesMacromolecular Chemistry and Physics, Volume 227, Issue 5, 13 March 2026.
Cationic poly(2‐oxazoline)s (POx) have emerged as versatile materials for different biomedical applications. The combination of the pseudo‐peptidic polymer backbone and the amine‐derived cationic motifs results in well‐tolerated polymers with potential benefits for drug and gene delivery as well as antimicrobial development.
Meike N. Leiske
wiley   +1 more source

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