International Business Machines Corporation

Agency for Science, Technology and Research

Leland Stanford Junior University

Institute of Bioengineering and Nanotechnology

Agency for Science, Technology

Columbia University

Institute of Bioengineering and Nanotechnology, Biomedical Sciences Institute

Nathaniel H Park

James L Hedrick

Yi Yan Yang

Victoria A Piunova

Mareva B Fevre

Rudy J Wojtecki

Pang Kern Jeremy Tan

Chuan Yang

Dmitry Zubarev

Gavin O Jones

Theodore Gerard Van Kessel

Amos Cahan

Xin Ding

Zhen Chang Liang

Dylan J Boday

Jeannette M Garcia

Robert M Waymouth

Zhi Xiang Voo

Binhong Lin

Cherylette Anne Alexander

Hariklia Deligianni

Daniel Gruhl

Chandrasekhar Narayan

Alfredo Alba

Linda Ha Kato

Steven R Welch

Chad Eric DeLuca

Pei-Yun S Hsueh

Anna Lisa Gentile

Petar Ristoski

Mu San Zhang

Ashlynn Lingzhi Lee

Luis Miguel Campos

Pedro Luis Arrechea

Tim Erdmann

Dino Wu

Daniel Sanders

Willy Chin

Wei Cheng

James Lupton Hedrick

Shaoqiong Liu

Jye Yng Teo

Jiayu Leong

Yang Chuan

Eunice Leong

Eddy Wei Ping Tan

Yiran Zhen

Daniel Malinowski

Jeremy Tan

YiYan Yang

Sarathkrishna Swaminathan

Caleb Nathaniel Jadrich

Vince Evan Pane

Sarath Swaminathan

Junho Kwon

A process, apparatus, and material for generating polymers are disclosed. Generating the polymers comprises reacting carbon dioxide (CO) with a cyclopropenimine (CPI). Generating the polymers further comprises reacting monomers with a product of the reaction between the CPI and the CO.

Cyclopropenimines for activation of carbon dioxide

Candidate material for polymerization can be received. One or more desired features in the candidate material can be identified. A machine learning model can be trained to generate a new material having one or more of the desired features. Permissively, the candidate material can be determined from running a machine learning classification model that ranks a plurality of material as candidates. Permissively, the generated new material can be input to the machine learning classification model, for the machine learning classification model to include in ranking the plurality of material as candidates.

Expert-in-the-loop AI for materials generation

Techniques regarding post polymerization modifications to polycarbonate polymers via a flow reactor are provided. For example, one or more embodiments described herein can comprise a cyclic carbonate monomer that can be employed to facilitate polymerization of one or more polycarbonate platforms susceptible to post polymerization modification. For instance, one or more embodiments can regard a cyclic carbonate molecular backbone covalently bonded to an aryl halide functional group via in accordance with a chemical structure selected from the group consisting of: In the chemical structures, 'R' can be selected from the group consisting of a hydrogen atom and a functional group comprising a first alkyl group; “L” can represent a linkage group, comprising: a second alkyl group and an end group having at least one member selected from the group consisting of an oxygen atom and a nitrogen atom; and “A” can represent the aryl halide functional group.

Post polymerization modification in flow

Techniques regarding the transportation of molecular cargo across the BBB are provided. For example, one or more embodiments described herein can comprise a chemical compound to facilitate molecular encapsulation of the molecular cargo. The chemical compound can comprise a diblock copolymer having a molecular backbone comprising a polycarbonate structure and a polyethylene glycol structure. Also, the polycarbonate structure can be functionalized with boronic acid.

Biodegradable functional polycarbonate nanoparticle carries for delivering molecular cargo

A set of material candidates expected to yield materials with target properties can be generated. A subject matter expert's decision indicating accepted and rejected material candidates from the set of material candidates can be received. Based on the subject matter expert's input, a machine learning model can be trained to replicate the subject matter expert's decision.

Expert-in-the-loop AI for materials discovery

A method for synthesizing cyclic carbonate monomers using carbon dioxide (CO) is provided. The method also includes combining reagents to synthesize the cyclic carbonate monomer, the reagents including a substrate that is a 1,X-diol, where X is between 2 and 5, a base that is a tertiary amine, a promoter that is a multidentate, bis-tertiary amine base where nitrogens are separated by 2 to 4 carbon atoms, a solvent, and CO.

AI assisted cyclic carbonate monomer synthesis

Techniques regarding a chemical composition that can be utilized within one or more combination therapies to treat a microbial infection are provided. For example, one or more embodiments described herein can comprise a chemical composition that includes a first triblock polymer comprising a quaternary ammonium functionalized polycarbonate block and exhibiting anticancer activity via a lytic mechanism. The chemical composition can also include a second triblock polymer comprising a guanidinium functionalized polycarbonate block and exhibiting anticancer activity via a translocation mechanism.

Combination therapies that enhance antimicrobial/anticancer activities

Compositions and methods regarding antimicrobial guanidinium macromolecules with one or more targeting moieties for selectively targeting bacteria are provided. According to an embodiment, an antimicrobial macromolecule is provided that comprises a polymer backbone and one or more guanidinium moieties that extend from the polymer backbone. The antimicrobial macromolecule further comprises a targeting moiety that extends from the polymer backbone. The targeting moiety can comprise a substance favored for consumption by bacteria, such as a monosaccharide.

Antimicrobial guanidinium macromolecules with bacteria targeting moieties

A process, composition, and apparatus for carbon dioxide (CO) sequestration are disclosed. The process includes passing air containing the COthrough a cyclopropeneimine (CPI)-functionalized material. The composition includes a CPI-functionalized material that reacts with COwhen mixed with air containing the CO. The apparatus includes a component for providing a CPI-functionalized material and mixing the material with COgas.

Cyclopropeneimines for capture and transfer of carbon dioxide

Techniques regarding chemical compounds comprising perfluoroaryl groups that can facilitate post-synthesis functionalization are provided. For example, one or more embodiments described herein can comprise a chemical compound. The chemical compound can comprise a molecular backbone. The chemical compound can also comprise a pendent functional group bonded to the molecular backbone. The pendent functional group can comprise a perfluoroaryl group and a methylene group.

Chemical compounds with perfluoroaryl groups that can facilitate post-synthesis functionalization

A stimulus-responsive micellar carrier, methods that may be associated with making a stimulus-responsive micellar carrier, and methods that may be associated with using a stimulus-responsive micellar carrier are disclosed. The stimulus-responsive micellar carrier comprises a cargo molecule, and a linear block copolymer having a hydrophilic block connected to a hydrophobic block by a stimulus-responsive junction moiety. The micellar carrier can be supplied to a patient body for therapeutic purposes, such as the treatment of cancerous tissue. A method of preparing or obtaining a stimulus-responsive micellar carrier may include preparing a polyethylene glycol material having an acetal end group and then preparing a block copolymer by forming a reaction mixture including the polyethylene glycol material, a cyclic carbonate monomer, and a base.

Stimulus-responsive micellar carrier

A composition, process, and apparatus are disclosed. The composition includes a cyclopropeneimine-carbon dioxide (CPI-CO) adduct. The process includes forming the CPI-COadduct by reacting a CPI with COgas. The apparatus includes components for providing the CPI and mixing the CPI with COgas. The mixing results in formation of the CPI-COadduct.

Techniques regarding the synthesis of one or more polymers through one or more ring-opening polymerizations conducted within a flow reactor and facilitated by one or more anionic catalysts are provided. For example, one or more embodiments can comprise a method, which can comprise polymerizing, via a ring-opening polymerization within a flow reactor, a cyclic monomer in the presence of one or more anionic organocatalysts.

Ring-opening polymerizations using a flow reactor

The subject disclosure is directed to functionalized bile acids, preparation thereof, and usage thereof for therapeutic and material applications. In one embodiment, a method of generating functionalized bile acid materials can comprise directly activating a carboxylic acid of a bile acid compound using a coupling agent comprising an amide or ester compound, thereby generating an intermediate bile acid derivative material. The method can further comprise attaching a functional group material to the intermediate bile acid derivative material by reacting the functional group material and the intermediate bile acid derivative material, thereby generating a functionalized bile acid material.

Functionalized bile acids for therapeutic and material applications

Techniques regarding guanidinium functionalized polylysine polymers that can have antimicrobial and/or anticancer activity are provided. For example, one or more embodiments described herein can comprise a chemical composition, which can comprise a polymer comprising a molecular backbone covalently bonded to a pendent guanidinium functional group, wherein the molecular backbone can comprise a polylysine structure.

Polylysine polymers with antimicrobial and/or anticancer activity

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San Jose, CA, United States of America

Nathaniel H Park