There is provided herein a process for the synthesis of sulfonyl silanes. There is also provided herein various sulfenylated and sulfonylated silicon-containing compounds made by the process.

The present disclosure provides methods and compositions for surface functionalization of solid substrates. The compositions include functionalized silanes and nucleic acid constructs which may react to immobilize the nucleic acid constructs on the surface on the solid substrate. The disclosure also provides methods for immobilization of silanes and nucleic acid constructs on the surface of the substrate.

Method of synthesizing tannic acid-coordinated Fe(III)-coordination polymer frameworks (TA-Fe(III)-CPFs) includes coordinating tannic acid (TA) with an aqueous solution of iron(III) acetate (Fe(OAc)3) to form a mixture. The mixture is subjected to ultrasonic vibration for a predetermined period of time to initiate a rapid complex formation reaction. The method additionally includes forming tannic acid-coordinated Fe(III)-coordination polymer framework (TA-Fe(III)-CPFs) from the mixture.

The present disclosure provides methods and compositions for surface functionalization of solid substrates. The compositions include functionalized silanes and nucleic acid constructs which may react to immobilize the nucleic acid constructs on the surface on the solid substrate. The disclosure also provides methods for immobilization of silanes and nucleic acid constructs on the surface of the substrate.

Provided is a monomer composition for which there is little to no concern about safety when used as a raw material or the like in a cosmetic material and that does not cause deterioration in quality such as gelation or the like. A method for manufacturing the monomer composition is also provided. A monomer composition containing a radical polymerizable monomer having a radical polymerizable organic group and an organosilicon-containing organic group in a molecule, wherein a total concentration of a polymerization inhibitor based on a total mass of the radical polymerizable monomer and the polymerization inhibitor is 130 ppm by mass or less.

Provided is a method for efficiently producing an oxadisilacyclopentane compound at a high yield, comprising reacting an azadisilacyclopentane compound with water, the azadisilacyclopentane compound having the following general formula (1):

##STR00001## [R.sup.1 to R.sup.4 are each independently an unsubstituted monovalent hydrocarbon group having 1 to 4 carbon atoms, and R.sup.5 is a hydrogen atom, a substituted or unsubstituted monovalent hydrocarbon group having 1 to 20 carbon atoms, or a group having the following general formula (2):

##STR00002## (R.sup.1 to R.sup.4 are as defined above, m is an integer of 0 to 5, n is an integer of 1 to 5, and a broken line donates a valence bond.) the oxadisilacyclopentane compound having the following general formula (3):

##STR00003## (R.sup.1 to R.sup.4 are as defined above.).]

The present disclosure provides methods and compositions for surface functionalization of solid substrates. The compositions include functionalized silanes and nucleic acid constructs which may react to immobilize the nucleic acid constructs on the surface on the solid substrate. The disclosure also provides methods for immobilization of silanes and nucleic acid constructs on the surface of the substrate.

A method for preparation and polymerization of siloxane monomers of Formula I is presented. The synthesis includes the selective reaction between silanol containing unit and alkoxy containing units in the presence of basic catalyst. The siloxane monomers of the invention can be used for preparation of siloxane polymers with good flexibility and cracking threshold, and functional sites, useful for applications requiring low metal content in semiconductor industry.

A method for preparation and polymerization of siloxane monomers of Formula I is presented. The synthesis includes the selective reaction between silanol containing unit and alkoxy containing units in the presence of basic catalyst. The siloxane monomers of the invention can be used for preparation of siloxane polymers with good flexibility and cracking threshold, and functional sites, useful for applications requiring low metal content in semiconductor industry.

The invention provides an amphiphilic siloxane-containing vinylic monomer which comprises one sole ethylenically unsaturated group and a siloxane-containing group covalently linked to the ethylenically-unsaturated group through a hydrophilic linker. The present invention is also related to a polymer, an actinically-crosslinkable silicone-containing prepolymer, a silicone hydrogel polymeric material, or a silicone hydrogel contact lens, which comprises monomeric units derived from an amphiphilic siloxane-containing vinylic monomer of the invention. In addition, the invention provides a method for making silicone hydrogel contact lenses using a water-based lens-forming formulation comprising an amphiphilic siloxane-containing vinylic monomer of the invention and/or an actinically-crosslinkable silicone-containing prepolymer of the invention.