Nnuru a ɛyɛ adwuma rekɔ so wɔ yɛn ho nyinaa bere nyinaa —ɛda adi sɛ wususuw ho a, nanso yɛn mu baahe na yɛyɛ saa bere a yɛhyɛ kar ase, noa ɛmo, anaa yɛhyɛ yɛn sare mu aduannuru?
Nnuru a ɛma nneɛma yɛ kɛse ho ɔbenfo Richard Kong asusuw nnuru a ɛma nneɛma yɛ adwuma ho. Wɔ n’adwuma sɛ “ɔbenfo a ɔyɛ tuner” mu no, sɛnea ɔka no, ɛnyɛ mmuae a ɛsɔre wɔ wɔn ankasa so nko na n’ani gye ho, na mmom sɛ obehu mmuae foforo nso.
Sɛ́ Klarman Fellow wɔ Chemistry ne Chemical Biology mu wɔ College of Arts and Sciences no, Kong yɛ adwuma de yɛ nneɛma a ɛma nnuru yɛ adwuma ma ɛyɛ nea wɔpɛ, na ɛyɛ nneɛma a ahobammɔ wom na ɛsom bo mpo, a nea ebetumi anya onipa so nkɛntɛnso pa ka ho. apomuden. Wukuada.
Kong kaa carbon dioxide a ɛba bere a kar hyew pɛtro a efi abo mu no ho asɛm no kae sɛ: “Nnuru a ɛyɛ adwuma kɛse bi kɔ so a obiara mmoa biara.” "Nanso nnuru a ɛyɛ den na ɛyɛ den kɛse no nsi ara kwa. Ɛha na nnuru a ɛma nneɛma yɛ adwuma no ba."
Kong ne ne mfɛfo yɛɛ nneɛma a ɛma nneɛma yɛ kɛse a ɛbɛkyerɛ sɛnea wɔpɛ sɛ wɔyɛ wɔn ade no kwan. Sɛ nhwɛso no, wobetumi adan carbon dioxide ayɛ no formic acid, methanol, anaa formaldehyde denam nea ɛfata a wɔbɛpaw na wɔasɔ tebea horow a ɛma nneɛma yɛ adwuma ahwɛ so.
Sɛnea Kyle Lancaster, Ɔbenfo a ɔkyerɛ Nnuruyɛ ne Nnuruyɛ Ho Adesua (A&S) ne Kong kwankyerɛfo kyerɛ no, ɔkwan a Kong faa so no ne ɔkwan a “wɔde nea wohu” a Lancaster adwumayɛbea no fa so no hyia yiye. Lancaster kae sɛ: “Ná Richard wɔ adwene sɛ ɔde tin bedi dwuma de ama ne nnuruyɛ atu mpɔn, na na enni me nkyerɛwee no mu da.” “Ɔwɔ ade a ɛma nneɛma yɛ kɛse a ebetumi apaw carbon dioxide a wɔka ho asɛm pii wɔ nsɛm ho amanneɛbɔ mu no adan biribi a ɛsom bo kɛse.”
Kong ne ne mfɛfo huu nhyehyɛe bi a, wɔ tebea horow bi mu no, ebetumi adan carbon dioxide ayɛ no formic acid nnansa yi.
Kong kae sɛ: “Bere a yennya nnyaa nea aba so wɔ sɛnea yɛyɛ ho biribi no mu no, yɛn nhyehyɛe no yɛ nea wotumi sesa no kɛse.” "Wɔ saa kwan yi so no, yebetumi afi ase ate nea enti a nneɛma bi a ɛma nneɛma yɛ adwuma ntɛmntɛm sen afoforo, nea enti a nneɛma bi a ɛma nneɛma yɛ adwuma yiye fi awosu mu no ase kɛse. Yebetumi asakra nneɛma a ɛma nneɛma yɛ adwuma no parameters na yɛabɔ mmɔden sɛ yɛbɛte nea ɛma nneɛma yi yɛ adwuma ntɛmntɛm no ase, efisɛ dodow a ɛyɛ adwuma ntɛmntɛm no, dodow no ara na ɛyɛ adwuma yiye no, dodow no ara na wubetumi ayɛ molecule ahorow ntɛmntɛm."
Ɔkae sɛ, sɛ́ Klarman Fellow no, Kong nso reyɛ adwuma de ayi nitrates, ade a wɔtaa de gu nsu mu a awuduru wom a ɛkɔ nsu kwan mu no afi nneɛma a atwa yɛn ho ahyia mu na wadan nneɛma a asiane biara nni ho kɛse.
Kong sɔɔ dade a wohu wɔ asase mu te sɛ aluminium ne tin a wɔde bedi dwuma sɛ nneɛma a ɛma nneɛma yɛ hyew hwɛe. Ɔkae sɛ dade no bo nyɛ den, ɛnyɛ awuduru na ɛdɔɔso wɔ asase no mu, enti sɛ wɔde bedi dwuma a, ɛremma nsɛm a ɛfa sɛnea ɛbɛkɔ so atra hɔ daa ho mma.
Kong kae sɛ: “Yɛreyɛ adwuma nso wɔ sɛnea wɔbɛyɛ nneɛma a ɛma nneɛma yɛ kɛse a dade abien ne wɔn ho wɔn ho di nkitaho ho.” “Ɛdenam dade abien a yɛde bedi dwuma wɔ nhyehyɛe biako mu so no, nneyɛe ne nnuru a ɛyɛ anigye bɛn na yebetumi anya afi dade abien nhyehyɛe ahorow mu?”
Kwaeɛ ne nnuru a ɛkura saa dadeɛ yi – ɛho hia paa sɛ wobɛbue tumi a saa dadeɛ yi wɔ sɛ ɛbɛyɛ wɔn adwuma, sɛdeɛ wo hia ntadeɛ a ɛfata ma wim tebea a ɛfata no, Kong kaa saa.
Mfe 70 a atwam ni no, gyinapɛn no ne sɛ wɔde dade mfinimfini biako bedi dwuma na ama wɔanya nnuru mu nsakrae, nanso wɔ mfe du anaa nea ɛte saa a atwam no mu no, nnuruyɛfo a wɔwɔ adwuma no mu afi ase reyɛ nhwehwɛmu wɔ sɛnea dade abien ka bom, sɛ́ ɛyɛ nnuru anaasɛ ɛbɛn ho. Nea edi kan no, Kong ka sɛ, “Ɛma wunya ahofadi dodow bi.”
Kong ka sɛ saa dade abien a ɛma nneɛma yɛ kɛse yi ma nnuruyɛfo tumi de dade a ɛma nneɛma yɛ hyew bom gyina wɔn ahoɔden ne wɔn mmerɛwyɛ so. Sɛ nhwɛso no, dade mfinimfini a ɛnkyekyere nneɛma a ɛwɔ ase no yiye nanso ɛbubu nkitahodi yiye no betumi ne dade mfinimfini foforo a ɛbubu nkitahodi a ɛnyɛ papa nanso ɛnkyekyere nneɛma a ɛwɔ ase no yiye no bɛyɛ adwuma. Dade a ɛto so abien a ɛwɔ hɔ no nso ka dade a edi kan no su.
”Wubetumi afi ase anya nea yɛfrɛ no synergistic effect a ɛda dade mfinimfini abien no ntam,” Kong kae. “Afã a ɛfa bimetallic catalysis ho no afi ase reda nneɛma bi a ɛyɛ soronko ankasa na ɛyɛ nwonwa adi dedaw.”
Kong kae sɛ nsɛm pii da so ara wɔ hɔ a emu nna hɔ wɔ sɛnea dade ahorow kyekyere wɔn ho wɔn ho wɔ molecule ahorow mu no ho. N’ani gyee sɛnea nnuru no ankasa yɛ fɛ no ho te sɛ nea n’ani gyee nea efii mu bae no ho no. Wɔde Kong baa Lancaster Laboratories esiane wɔn nimdeɛ a wɔwɔ wɔ X-ray spectroscopy mu nti.
Lancaster kae sɛ: “Ɛyɛ ade a ɛne wɔn ho wɔn ho di nkitaho.” "X-ray spectroscopy boaa Richard ma ɔtee nea na ɛrekɔ so wɔ akyi ne nea ɛma tin yɛ adwuma titiriw na etumi yɛ saa nnuru yi ase. Yenyaa nimdeɛ kɛse a ɔwɔ wɔ kuw atitiriw mu nnuruyɛ ho no so mfaso, na ɛno buee ɔpon maa kuw no kɔɔ beae foforo."
Kong ka sɛ ne nyinaa ba fam wɔ nnuruyɛ ne nhwehwɛmu atitiriw so, na Open Klarman sika a wɔde mae na ɛma saa kwan yi tumi yɛ yiye.
Ɔkae sɛ: “Da a wɔtaa yɛ no, metumi atu mmirika akɔyɛ nneyɛe wɔ aduruyɛdan mu anaasɛ mɛtra kɔmputa bi ho ayɛ molecule ahorow ho mfonini.” “Yɛrebɔ mmɔden sɛ yebenya nnuru dwumadi ho mfonini a edi mũ sɛnea yebetumi.”