Embodiments related to medical imaging devices including rigid imaging tips and their methods of use for identifying abnormal tissue within a surgical bed are disclosed.

Described herein are fluid complex coacervates that produce solid adhesives in situ. Oppositely charged polyelectrolytes were designed to form fluid adhesive complex coacervates at ionic strengths higher than the ionic strength of the application site, but an insoluble adhesive solid or gel at the application site. When the fluid, high ionic strength adhesive complex coacervates are introduced into the lower ionic strength application site, the fluid complex coacervate is converted to a an adhesive solid or gel as the salt concentration in the complex coacervate equilibrates to the application site salt concentration. In one embodiment, the fluid complex coacervates are designed to solidify in situ at physiological ionic strength and have numerous medical applications. In other aspects, the fluid complex coacervates can be used in aqueous environment for non-medical applications.

The present invention relates to an aptamer or a functional fragment thereof, capable of specifically binding to PD-L1 or capable of inhibiting interaction between PD-1 and PD-L1 by specifically binding to PD-L1, which includes a nucleic acid sequence of SEQ ID NO. 1, 2, 10 or 18.

Provided herein are high-throughput methods for genetic barcoding and analysis, e.g., for tagging each biomaterial apsule with a barcode cell. These barcode cells are derived from patient samples, and thus embody natural human genetic variation. Also provided are SNP panels that can be used as genetic barcodes to identify the identity of a cell.

The present invention provides for a kit and methods that detect certain analytes of interest potentially present in blood and bodily fluids of a living mammal. The methods and kit encompass a bioassay performed in vivo. Contact of the bioassay reagent with the analyte, if present, renders a response that can be clinically assessed visually or by reading instrumentation or by biosensor. In one embodiment, the invention may be used to detect the presence, absence, or amount of suspected analyte present in a patient test subject. The invention is particularly suited for point-of-care (POC) use, self-testing, large-scale implementation and for use with patients where limited sample volumes are available or accessible.

The invention relates to animal models, and in particular to novel in vivo animal models for neurodegenerative disorders, such as Alzheimer's disease, Parkinson's disease or Motor Neurone Disease. The invention extends to methods for providing such models. The invention also provides animal models per se and methods for investigating the underlying mechanisms occurring in such neurodegenerative disorders, in particular, Alzheimer's disease, and also extends to models, methods and assays for testing pharmacological test compounds, which may modulate neurological processes, and for drug screening for use in treating neurodegenerative diseases.

The present invention aims to provide a carrier for drug delivery that selectively accumulates in the kidney in the body, and shows high biodegradability and drug releasability in the kidney. The present invention relates to a compound in which a carbonyl group of serine is linked directly or via a linker to terminal amino group of linear polylysine, compound carrier for delivery, and a medicament for the diagnosis, prophylaxis, or treatment of a renal disease, containing the carrier for drug delivery, and a drug bound to the carrier directly or via a linker or encapsulated therein.

Compositions, methods, and kits are provided for assaying calpain-5 activity and inhibition. In particular, novel peptide substrates are provided for detecting calpain-5, measuring calpain-5 activity, and screening for inhibitors of calpain-5 to identify potential therapeutic agents for treating retinal diseases and other diseases associated with calpain-5 hyperactivity. Additionally, novel inhibitors of calpain-5 are also provided.

Provided are a fusion protein that improves gene editing efficiency and an application thereof. The fusion protein comprises a single-stranded DNA binding protein functional domain, nucleoside deaminase and nuclease. According to CBEs, when carrying our base conversion from C-G to T-A, nucleoside deaminase such as cytosine deaminase carries out deamination by using single-stranded DNA as a substrate, and by re-fusing the single-stranded DNA binding protein functional domain on the fusion protein of the nucleoside deaminase and nuclease, the chance of single-stranded DNA being exposed to the nucleoside deaminase is greatly increased, thereby significantly improving base editing efficiency. The present disclosure provides a breakthrough improvement of single-base gene editing technology and can greatly promote the application thereof in aspects such as gene editing, gene therapy, cell therapy, animal model making, and crop genetic breeding.

Disclosed herein is a method for multimodal imaging during a medical procedure using magnetic resonance imaging (MRI) and Raman optical imaging which involves administering an MRI imaging contrast agent that a chemical structure having charge-transfer electronic transitions. The tissue is imaged using and MRI device and the tissue is illuminated with excitation light that has spectral components that are approximately tuned close to one of the charge-transfer electronic transitions thereby producing enhanced Raman optical signals which are analyzed to produce Raman imaging data followed by registering the MRI and Raman imaging data. The present disclosure also provides a method for ionizing laser plumes through atmospheric pressure chemical ionization.