A pesticide composition, preparation method and use thereof; the composition having a synergism effect, including effective components A and B, wherein the active component A is thidiazuron, the active component B is polyglutamic acid, and the weight ratio of the component A to the component B is 1:(0.01-200).

A pesticide composition, preparation method and use thereof; the composition having a synergism effect, including effective components A and B, wherein the active component A is thidiazuron, the active component B is polyglutamic acid, and the weight ratio of the component A to the component B is 1:(0.01-200).

Disclosed herein are methods of making pure chalcogenide (e.g., selenium, tellurium, or selenium/tellurium) nanoparticles by irradiating chalcogenide pellets by nano-second laser ablation using chitosan as a capping agent to form chitosan chalcogenide nanoparticles (CS-CgNPs). CS-CgNPs and methods of using such particles are also disclosed herein, such as antimicrobials and antimicrobial coatings effective against biofilms.

Disclosed herein are methods of making pure chalcogenide (e.g., selenium, tellurium, or selenium/tellurium) nanoparticles by irradiating chalcogenide pellets by nano-second laser ablation using chitosan as a capping agent to form chitosan chalcogenide nanoparticles (CS-CgNPs). CS-CgNPs and methods of using such particles are also disclosed herein, such as antimicrobials and antimicrobial coatings effective against biofilms.

Disclosed herein are methods of making pure chalcogenide (e.g., selenium, tellurium, or selenium/tellurium) nanoparticles by irradiating chalcogenide pellets by nano-second laser ablation using chitosan as a capping agent to form chitosan chalcogenide nanoparticles (CS-CgNPs). CS-CgNPs and methods of using such particles are also disclosed herein, such as antimicrobials and antimicrobial coatings effective against biofilms.

The present invention provides industrially preferable processes for producing a sulfone derivative useful as a herbicide and an intermediate thereof. Provided are a process for producing a compound of the formula (4), comprising the following step ii: (step ii) a step of reacting a compound of the formula (2) with a compound of the formula (3) in the presence of a base to produce the compound of the formula (4), and

##STR00001## a process for producing a compound of the formula (5), comprising the following step iii: (step iii) a step of reacting the compound of the formula (4) with hydrogen peroxide in the presence of a metal catalyst to produce the compound of the formula (5).

##STR00002##

The present invention provides industrially preferable processes for producing a sulfone derivative useful as a herbicide and an intermediate thereof. Provided are a process for producing a compound of the formula (4), comprising the following step ii: (step ii) a step of reacting a compound of the formula (2) with a compound of the formula (3) in the presence of a base to produce the compound of the formula (4), and

##STR00001## a process for producing a compound of the formula (5), comprising the following step iii: (step iii) a step of reacting the compound of the formula (4) with hydrogen peroxide in the presence of a metal catalyst to produce the compound of the formula (5).

##STR00002##

A surface-mineralized substrate having an enhanced functional capability, for example, enhanced antibacterial activity, a method of making the surface-mineralized substrate, and an article of manufacture, for example, packaging for fresh produce, comprising or formed from or of the surface-mineralized substrate.

A surface-mineralized substrate having an enhanced functional capability, for example, enhanced antibacterial activity, a method of making the surface-mineralized substrate, and an article of manufacture, for example, packaging for fresh produce, comprising or formed from or of the surface-mineralized substrate.

There is described a composition comprising a microparticle component and a highly potent active agent encapsulated in the microparticle.